Summary of the invention
Technical matters to be solved by this invention is: remedy above-mentioned the deficiencies in the prior art, the online remote detecting method of a kind of intelligentized accumulator is proposed, with solving the problem that wastes time and energy, can't carry out completely the problem of battery service work when the maintainer carries out the battery discharging experiment to the scene and can't detect the runnability of accumulator in real time.
Technical matters of the present invention is solved by following technical scheme:
A kind of intelligentized accumulator remote online detection method comprises the steps:
1) setting up procedure: the Switching Power Supply monitoring unit receives the discharge test order, starts the online discharge test of accumulator automatically;
2) testing procedure: the Switching Power Supply monitoring unit is turned down the group voltage protection value of the output voltage of Switching Power Supply to predetermined battery pack automatically according to the discharge mode in the discharge test order, utilize in the base station that original load is online carries out the battery discharging test, the monomer voltage and the load current that receive each cell batteries in the group voltage, group electric current, battery pack of battery pack in real time report remote monitoring center;
3) stop step: when reaching predetermined discharge termination condition, the Switching Power Supply monitoring unit stops the battery discharging test automatically, and the output voltage that recovers Switching Power Supply automatically is to discharge test voltage before;
4) calculation procedure: the Switching Power Supply monitoring unit calculates the actual discharge capacity and the actual charging time of battery in this discharge process in real time automatically, reports remote monitoring center.
Preferably, described discharge mode is the property checked discharge or full capacity discharge, also comprises determining step before described testing procedure: described Switching Power Supply monitoring unit is judged the discharge test order property checked discharge or full capacity discharge;
Preferably, described step 2) monomer voltage that also comprises each cell batteries in the battery pack that will receive in real time in is stored in the described Switching Power Supply monitoring unit, so that remote monitoring center can be monitored the monomer voltage of each cell batteries of the battery pack of any one website in real time.Preferably, predetermined discharge termination condition is to reach group voltage protection value, discharge time that described group of voltage is lower than described predetermined battery pack test time, described actual discharge capacity to reach battery discharging end of test capacity, described monomer voltage and be lower than predetermined monomer voltage protection value, system and produced alarm and manually controlled a kind of in the halt instruction in the described step 3).
Preferably, in the described step 1), described Switching Power Supply monitoring unit is by the wherein a kind of reception discharge test order in following three kinds of modes: from remote monitoring center, from the panel of Switching Power Supply monitoring unit operation start or reached the predetermined timing battery discharging test duration.
Preferably, the actual discharge capacity of battery calculates in the following manner in described this discharge process: begin to end from the battery discharging test, the Switching Power Supply monitoring unit calculates discharge capacity Δ C every a special time Δ t
Put=I * (Δ t/3600), obtaining described actual discharge capacity is C=Δ C
Put 1+ Δ C
Put 2+ Δ C
Put 3+ ... ..+ Δ C
Put nThe electric current of the battery pack of actual acquisition when wherein said I is discharge test, described Δ t are in 10-50 value in second; Be lower than the group voltage protection value of described predetermined battery pack if the condition that discharge finishes is a described group of voltage, then also comprise the actual retained storage capacity of calculating accumulator: the actual discharge capacity of battery is the actual retained storage capacity of accumulator in described this discharge process; And report Surveillance center to upgrade the described actual retained storage capacity.
Preferably, described actual charging time is to calculate in real time according to the actual retained storage capacity of load current, accumulator and the residual capacity of accumulator: the residual capacity/load current of t1=accumulator; Actual retained storage capacity/the load current of t2=accumulator, described actual charging time are the smaller value of t1 and t2; The residual capacity of wherein said accumulator be meant accumulator cell charging and discharging adding up and, the Switching Power Supply monitoring unit is every capacity Δ C=I ' * (Δ t '/3600) that a special time Δ t ' calculating is emitted or charged into, the residual capacity that obtains described accumulator is C
Surplus=Δ C
1+ Δ C
2+ Δ C
3+ ... ..+ Δ C
nWherein said I ' is the electric current of the battery pack of gathering in real time, and described Δ t ' is in 10-50 value in second.
A kind of intelligentized accumulator remote online detection system, be used for the battery pack of online detection as base station Switching Power Supply back-up source, comprise remote monitoring center, the Switching Power Supply monitoring unit, battery tension collector and current acquisition device, described Switching Power Supply monitoring unit respectively with described remote monitoring center, the battery tension collector is connected with the current acquisition device, described battery tension collector is used for gathering the monomer voltage of described each cell batteries of battery pack and the group voltage of battery pack, described current acquisition device is used for gathering the electric current of base station load, described Switching Power Supply monitoring unit is used for starting the online discharge test of accumulator automatically according to discharge mode, automatically turn down the group voltage protection value of the output voltage of Switching Power Supply, make battery pack utilize the online discharge test that carries out of described load to predetermined battery pack, automatically receive the group voltage of battery pack in real time, the group electric current, the monomer voltage of each cell batteries and load current and report remote monitoring center in the battery pack, automatically the output voltage that stops battery discharging test and recover Switching Power Supply automatically before the discharge test voltage and calculate the actual discharge capacity and the actual charging time of battery in this discharge process automatically and report remote monitoring center in real time; The parameter that described remote monitoring center reports according to described Switching Power Supply monitoring unit is monitored the single battery in described battery pack and the battery pack in real time.
Preferably, described discharge mode is the property checked discharge or full capacity discharge, and described Switching Power Supply monitoring unit also is used to judge discharge of the described discharge mode property checked or full capacity discharge.
Preferably, also be provided with storer in the described Switching Power Supply monitoring unit, be used for storing the monomer voltage of each cell batteries of battery pack.
The beneficial effect that the present invention is compared with the prior art is: carry out the battery discharging test by above technical scheme, the load of using during test is the current consuming apparatus that the base station just has originally, need not increase discharge module, can realize that the actual charging time of base station accumulator and actual discharge capacity are carried out real-time online to be measured automatically, cost is lower, the actual discharge capacity of accumulator provides foundation for the accumulator aged deterioration upgrades, the actual charging time of accumulator is more meaningful and more directly perceived to the power supply capacity of base station accumulator, after receiving the alarm that has a power failure, send the maintenance of single-shot electricity that guarantee is provided effectively automatically far from the far and near realization of maintenance centre's road for remote monitoring center simultaneously according to the base station, reduce maintenance workload and labour intensity, improve maintenance efficiency, improve battery maintenance quality and maintenance work security;
Further in the scheme, the actual retained storage capacity and the residual capacity that also comprise the real-time automatic measuring battery pack, so that remote monitoring center real-time monitors the residual capacity of battery pack of any one website and the actual retained storage capacity of the battery pack that upgrades in time, for the maintenance of accumulator provides more favourable guarantee.
Embodiment
Contrast accompanying drawing and the present invention is explained in detail below in conjunction with preferred embodiment.
In one embodiment, intelligentized accumulator remote online detection method comprises the steps:
1) setting up procedure: the Switching Power Supply monitoring unit receives the discharge test order, starts the online discharge test of accumulator automatically;
2) testing procedure: the Switching Power Supply monitoring unit is turned down the group voltage protection value of the output voltage of Switching Power Supply to predetermined battery pack automatically according to the discharge mode in the discharge test order, utilize in the base station that original load is online carries out the battery discharging test, the monomer voltage and the load current that receive each cell batteries in the group voltage, group electric current, battery pack of battery pack in real time report remote monitoring center;
3) stop step: when reaching predetermined discharge termination condition, the Switching Power Supply monitoring unit stops the battery discharging test automatically, and the output voltage that recovers Switching Power Supply automatically is to discharge test voltage before;
4) calculation procedure: the Switching Power Supply monitoring unit calculates the actual discharge capacity and the actual charging time of battery in this discharge process in real time automatically, reports remote monitoring center.
In another embodiment, specifically, comprise the steps:
1) setting up procedure: the Switching Power Supply monitoring unit receives discharge test order by in following three kinds of modes one of them: from remote monitoring center, from the panel of Switching Power Supply monitoring unit operation start or reached the predetermined timing battery discharging test duration, start the online discharge test of accumulator automatically;
2) determining step: the Switching Power Supply monitoring unit is judged discharge of the discharge mode property checked or the full capacity discharge in the discharge test order;
3) testing procedure: the group voltage protection value of the Switching Power Supply monitoring unit is turned down Switching Power Supply automatically according to the discharge mode in the discharge test order output voltage battery pack during to the predetermined property the checked discharge of corresponding discharge mode or full capacity discharge, utilize in the base station that original load is online carries out the battery discharging test; The monomer voltage of each cell batteries in the group voltage of the battery pack that real-time reception battery tension collector collects and the battery pack, and group electric current and load current that the current acquisition device collects report remote monitoring center, and the monomer voltage of each cell batteries is stored in the Switching Power Supply monitoring unit in the battery pack that will receive in real time, monitors in real time for remote monitoring center;
4) stop step: when reaching predetermined discharge termination condition; the Switching Power Supply monitoring unit stops the battery discharging test automatically; and the voltage of the output voltage that recovers Switching Power Supply automatically before the discharge test; the discharge termination condition comprises a kind of in following: described group of voltage is lower than the group voltage protection value of described predetermined battery pack; reach test time discharge time; described actual discharge capacity reaches battery discharging end of test capacity; described monomer voltage is lower than predetermined monomer voltage protection value; system has produced alarm and has manually controlled halt instruction etc.; when discharge test; as long as the monomer voltage of current accumulator is less than predetermined monomer voltage protection value; the Switching Power Supply monitoring unit stops the battery discharging test automatically; and inform that this Battery pack batteries of remote monitoring center is unusual; simultaneously the monomer voltage of accumulator is reported remote monitoring center, be used for the monomer voltage that remote monitoring center detects every joint accumulator of any one website in real time.
5) calculation procedure: the Switching Power Supply monitoring unit calculates the actual discharge capacity of battery in this discharge process, actual charging time, actual retained storage capacity, discharge time, sparking voltage, discharge current in real time automatically, the residual capacity that also comprises calculating accumulator, and reporting remote monitoring center, remote monitoring center can detect the residual capacity of the accumulator of any one website constantly like this.
After discharge test finishes, the Switching Power Supply monitoring unit is the battery discharging test result, comprises that discharge mode refers to that promptly the property checked discharge still is duration, the accumulator battery voltage when discharge finishes, the average discharge current of battery pack, the actual discharge capacity of accumulator, the temperature of battery pack, whether normal, actual charging time of reason, accumulator and the actual retained storage capacity that discharge finishes of start time, discharge of full capacity discharge, battery discharging to report remote monitoring center.
The actual discharge capacity of battery calculates in the following manner in this discharge process: begin to end from the battery discharging test, the Switching Power Supply monitoring unit calculates discharge capacity Δ C every a special time Δ t
Put=I * (Δ t/3600), obtaining described actual discharge capacity is C=Δ C
Put 1+ Δ C
Put 2+ Δ C
Put 3+ ... ..+ Δ C
Put nThe electric current of the battery pack of actual acquisition when wherein said I is discharge test, described Δ t are in 10-50 value in second, Δ t=20s in the present embodiment, and when battery discharging test beginning, the Switching Power Supply monitoring unit calculated Δ C every 20 seconds
Put=I * (Δ t/3600), can calculate the 1st capacity of emitting in 20 seconds is Δ C
Put 1, the 2nd capacity of emitting in 20 seconds is Δ C
Put 2, the 3rd capacity of emitting in 20 seconds is Δ C
Put 3, until the battery discharging end is Δ C
Put n, can to count the actual discharge capacity of accumulator be Δ C to the Switching Power Supply monitoring unit like this
Put 1+ Δ C
Put 2+ Δ C
Put 3+ ... ..+ Δ C
Put nAdd up and.
After the battery discharging end of test (EOT); if it is because the group voltage of accumulator finishes the battery discharging test less than battery discharging end of test group voltage (i.e. the group voltage protection value of Yu Ding battery pack) that the Switching Power Supply monitoring unit detects the battery discharging test; the actual retained storage capacity of calculating accumulator then: the actual discharge capacity of the aforementioned accumulator that calculates is the actual retained storage capacity of accumulator; actual retained storage capacity with the accumulator in the remote monitoring center upgrades simultaneously; if because the discharge that other reasons causes finishes; the actual retained storage capacity of calculating accumulator not then; be that the actual retained storage capacity of accumulator is kept original value, be convenient to the actual retained storage capacity that remote monitoring center real-time monitors battery pack like this.
The residual capacity of accumulator be meant accumulator cell charging and discharging adding up and, the Switching Power Supply monitoring unit is every capacity Δ C=I ' * (Δ t '/3600) that a special time Δ t ' calculating is emitted or charged into, the residual capacity that obtains described accumulator is C
Surplus=Δ C
1+ Δ C
2+ Δ C
3+ ... ..+ Δ C
nWherein said I ' is the electric current of the battery pack of gathering in real time, and described Δ t ' is in 10-50 value in second; Δ t '=20s in the present embodiment, the Switching Power Supply monitoring unit calculated capacity Δ C=I ' * (Δ t '/3600) that emit or charge into every 20 seconds, and can calculate the 1st capacity of emitting or charging in 20 seconds is Δ C
1, the 2nd capacity of emitting or charging in 20 seconds is Δ C
2, the 3rd capacity of emitting or charging in 20 seconds is Δ C
3, until Δ C
n, the residual capacity that counts accumulator is Δ C
1+ Δ C
2+ Δ C
3+ ... ..+ Δ C
nAdd up and.
Actual charging time is to calculate in real time according to the actual retained storage capacity of load current, accumulator and the residual capacity of accumulator: the residual capacity/load current of t1=accumulator; Actual retained storage capacity/the load current of t2=accumulator, actual charging time are the smaller value of t1 and t2.
As shown in Figure 1, in one embodiment, intelligentized accumulator remote online detection system, be used for the battery pack 6 of online detection as base station Switching Power Supply back-up source, battery pack 6 is connected in series by single battery 61 ~ 6n and forms, detection system comprises remote monitoring center 2, Switching Power Supply monitoring unit 1, battery tension collector 4, with current acquisition device 5, Switching Power Supply monitoring unit 1 respectively with remote monitoring center 2, battery tension collector 4 is connected with current acquisition device 5, battery tension collector 4 is used for gathering the monomer voltage of battery pack 6 each cell batteries 61 ~ 6n and the group voltage of battery pack 6, current acquisition device 5 is used to gather load, and (this load is the load that the base station just has originally, when battery discharging is tested, with the load of doing accumulator is discharged) electric current, Switching Power Supply monitoring unit 1 comprises and is used for starting the online discharge test of accumulator automatically according to discharge mode, automatically turn down the group voltage protection value of the output voltage of Switching Power Supply, make battery pack utilize the online discharge test that carries out of original load in the base station to predetermined battery pack, automatically receive the group voltage of battery pack in real time, the group electric current, the monomer voltage of each cell batteries and load current and report remote monitoring center in the battery pack, automatically the output voltage that stops battery discharging test and recover Switching Power Supply automatically before the discharge test voltage and calculate the actual discharge capacity and the actual charging time of battery in this discharge process automatically and report remote monitoring center in real time; The parameter that remote monitoring center 2 reports according to described Switching Power Supply monitoring unit 1 is monitored the single battery 61 ~ 6n in described battery pack 6 and the battery pack in real time.
When utilizing this system to carry out battery discharging, described Switching Power Supply monitoring unit 1 respectively with described remote monitoring center 2, battery tension collector 4, current acquisition device 5, battery pack 6 is connected with load 3, described battery pack 6 is connected with described load 3, described battery tension collector 4 is connected with each single battery 61 ~ 6n respectively, be used to gather the monomer voltage of described each cell batteries 61 ~ 6n and the group voltage of battery pack 6, described current acquisition device 5 is connected with described load 3, be used to gather the electric current of described load 3, according to discharge of the above-mentioned detection method property checked or full capacity discharge.As shown in Figure 2, circuit diagram for the intelligentized accumulator remote online detection system of Fig. 1, alternating current is through exchanging input switch QFA1 and QFA2 input, enter rectification module PSU1 ~ 12 respectively by switch QFA3 ~ QFA14 then, become VD (48V behind alternating current process rectification module PSU1 ~ 12, + 0V), be divided into different branch roads then and give load LOAD, it is the current consuming apparatus of base station, when battery detecting, use as discharge load, with battery pack BAT2, the PMU among the Switching Power Supply monitoring unit 1(figure is also given in the BAT1 power supply simultaneously) power supply, the administrative section that Switching Power Supply monitoring unit PMU detects as the accumulator remote online when detecting.
As shown in Figure 3, in Switching Power Supply monitoring unit 1, also be provided with storer 1a ~ 1h, be used for storing the monomer voltage of each cell batteries of battery pack, storer 1a ~ 1h is connected with the CPU 1j of Switching Power Supply monitoring unit by the I2C interface, the single battery voltage that Switching Power Supply monitoring unit 1 receives stores among storer 1a ~ 1h constantly, in order to remote monitoring center monitoring and inquiry.
More than arbitrary embodiment all be applicable to the discharge of the property checked discharge and full capacity, the group voltage protection value of the battery pack that just is provided with in remote monitoring center between the two (promptly finishing termination group voltage) is different.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, make some being equal to substitute or obvious modification, and performance or purposes are identical, all should be considered as belonging to protection scope of the present invention.