A kind of online batteries behindhand battery emergency response assistant system and method for work thereof
Technical field
The present invention relates to electric and electronic technical field, in particular to one online batteries behindhand battery emergency response assistant system and method for work thereof.
Background technology
In recent years, the high-tension storage battery of high-energy is widely applied, and by the formation batteries that is together in series by multiple high-energy voltage battery, can be used on the high-tension devices of needs such as such as electric motor car.
The major function of the management devices of electric powered motor batteries carries out intelligent management to the charge and discharge process of the various power accumulator groups of special-purpose, for all kinds accumulator of electric car group provide have special technical requirement, the technological accumulation and inheritance of safety, Effec-tive Function.
Management work emphasis in charging process guarantees that the charging voltage of every cell, charging current and temperature are in storage battery safety working range, guarantee storage battery full charge and don't overcharge, and the problem that occurrence temperature is not out of control.In discharge process, the state of the art of each cell of looking over one's shoulder, prevents cell overdischarge, and can carry out discharge energy compensation to behindhand battery, is reduced to bottom line by falling behind cell to the adverse effect that batteries is discharged.
Batteries is the critical elements of transformer station, and its effect is that the important load when electric power system is broken down to transformer station provides power supply.The large-capacity battery of batteries usually by about 110 that important transformer station uses is in series, reason percentage of batteries due to manufacture view can show voltage and fall behind phenomenon, if any cell voltage comparatively standard electric force down 100 millivolts or more, far above the requirement that Guo Wang company voltage difference is less than 30 millivolts.Because the voltage of behindhand battery is for a long time lower than normal voltage, make the pole plate of voltage lagging batteries there is certain sulphation, cause internal resistance of cell increase, charge-discharge performance, battery capacity and reliability decrease.The usual practice that production scene addresses this problem is whole group and changes storage battery.According to battery quotation several years ago, the price of one group of import 500 ampere-hour valve-control storage battery about 180,000 yuans, price about 120,000 RMB of one group of import 300 ampere-hour valve-control storage battery, price about 90,000 RMB of one group of domestic 300 ampere-hour valve-control storage battery, can find out that the whole group of scheme changing storage battery is by the fund of at substantial, add the workload that new battery is installed, and first meeting out of service for primary cell group to be caused unsafe factor when changing battery pack, and may environmental pollution be caused when the battery changed is disassembled, produce Environmental security hidden danger.
Summary of the invention
In view of this, the invention provides a kind of online batteries behindhand battery emergency response assistant system and method for work thereof, occur behindhand battery in order to solve in existing batteries, the problem of the batteries needing replacement cost high.
The present invention is solved the problem by following technological means:
On the one hand, the invention provides a kind of online batteries behindhand battery emergency response assistant system, wherein, described batteries is the series-connected batteries being connected with load and Switching Power Supply, described online batteries behindhand battery emergency response assistant system comprises: the multiple charging modules connected one to one with each storage battery in described batteries, voltage acquisition module, current acquisition module, described voltage acquisition module is connected with the input of control module with the described output of current acquisition module, the output of described control module is connected with described multiple charging module,
Described voltage acquisition module, for gathering the magnitude of voltage of each storage battery in batteries;
Described current acquisition module, for gathering the current value of each storage battery in batteries;
Described control module, for by the magnitude of voltage of each storage battery in batteries compared with preset voltage value, obtain the storage battery of magnitude of voltage lower than preset voltage value; By described magnitude of voltage lower than the current value of the storage battery of preset voltage value compared with pre-set current value, obtain the storage battery of current value lower than pre-set current value as lagging batteries, control charging module corresponding to described lagging batteries to charge to described lagging batteries, make the magnitude of voltage of described lagging batteries be greater than described preset voltage value;
Described charging module, for charging to described lagging batteries.
Further, described system also comprises: for gathering the temperature collect module of described lagging batteries temperature, described temperature collect module is connected with described control module.
Further, described control module, also for by the magnitude of voltage of each storage battery in batteries compared with predeterminated voltage threshold value, obtain the storage battery of magnitude of voltage lower than predeterminated voltage threshold value as lagging batteries, control charging module corresponding to described lagging batteries to charge to described lagging batteries, make the magnitude of voltage of described lagging batteries be greater than described preset voltage value.
Further, described system also comprises, the display module be connected with described control module.
Further, described control module comprises: the input interface connected successively, analog-to-digital conversion module, microcontroller and output interface, wherein:
Described input interface is connected with described current acquisition module with described voltage acquisition module;
The current value of the magnitude of voltage of described storage battery, described storage battery is converted to digital signal by described analog-to-digital conversion module, inputs to described microcontroller;
Described microcontroller, for by the magnitude of voltage of each storage battery in battery pack compared with preset voltage value, obtain the storage battery of magnitude of voltage lower than preset voltage value; By described magnitude of voltage lower than the current value of the storage battery of preset voltage value compared with pre-set current value, obtain the storage battery of current value lower than pre-set current value as lagging batteries;
Described output interface is connected with each charging module, charging, making the magnitude of voltage of described lagging batteries be greater than described preset voltage value for controlling charging module corresponding to described lagging batteries to described lagging batteries.
Further, described charging module comprises the charge circuit be connected with corresponding storage battery and the switch be connected with described microcontroller.
Further, described display module is the 16*2 character point formation LCD MODULE of band LED-backlit.
The present invention also provides a kind of method of work of online batteries behindhand battery emergency response assistant system on the other hand, comprising:
Gather magnitude of voltage and the current value of each storage battery of batteries;
By the magnitude of voltage of each storage battery in batteries compared with preset voltage value, obtain the storage battery of magnitude of voltage lower than preset voltage value;
By described magnitude of voltage lower than the current value of the storage battery of preset voltage value compared with pre-set current value, obtain the storage battery of current value lower than pre-set current value as lagging batteries;
Control charging module corresponding to described lagging batteries to charge to described lagging batteries, make the magnitude of voltage of described lagging batteries be greater than described preset voltage value.
Further, after the magnitude of voltage of described each storage battery of collection batteries and current value, also comprise:
By the magnitude of voltage of each storage battery in batteries compared with predeterminated voltage threshold value, obtain the storage battery of magnitude of voltage lower than predeterminated voltage threshold value as lagging batteries;
Control charging module corresponding to described lagging batteries to charge to described lagging batteries, make the magnitude of voltage of described lagging batteries be greater than described preset voltage value.
Further, described method also comprises:
The magnitude of voltage of each storage battery in described batteries and current value are shown.
Compared to prior art, online batteries behindhand battery emergency response assistant system of the present invention and method of work thereof, by the magnitude of voltage of each storage battery in batteries and current value and preset voltage value and pre-set current value are compared in real time, when magnitude of voltage and current value are all lower than preset voltage value and pre-set current value, determine that corresponding storage battery is lagging batteries, it judges that lagging batteries is more accurate, and charging actual effect is stronger, effectively can prevent the appearance of behindhand battery in batteries.Further, by the magnitude of voltage of each storage battery in batteries compared with predeterminated voltage threshold value, obtain the storage battery of magnitude of voltage lower than predeterminated voltage threshold value as lagging batteries, when in batteries, battery tension is too low, directly using corresponding storage battery as lagging batteries, real time charging is carried out to it, improves the promptness to behindhand battery charging.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the operational mode schematic diagram of the online batteries behindhand battery emergency response assistant system that the embodiment of the present invention provides;
Fig. 2 is the structure chart of the online batteries behindhand battery emergency response assistant system that the embodiment of the present invention provides;
Fig. 3 is the flow chart of the method for work of the online batteries behindhand battery emergency response assistant system that the embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
Below with reference to accompanying drawing 1, the present invention is described in detail, the present embodiment provides a kind of online batteries behindhand battery emergency response assistant system, as shown in Figure 1: described batteries is the series-connected batteries being connected with load 11 and Switching Power Supply 12, Switching Power Supply 12 is in parallel with load 11 and online batteries behindhand battery emergency response assistant system respectively, under normal circumstances, Switching Power Supply 12 is as the power supply of load 11, floating charge is carried out to batteries simultaneously, when Switching Power Supply 12 disconnects, the power supply as load 11 is switched by batteries, and select behindhand battery at online batteries behindhand battery emergency response assistant system and behindhand battery is charged, thus decrease the discharge capacity of behindhand battery, ensured by batteries emergency service, the whole volume of batteries can be made to be greater than the capacity of backward cell batteries.
As shown in Figure 2, described online batteries behindhand battery emergency response assistant system comprises: the multiple charging modules 21 connected one to one with each storage battery in described batteries, voltage acquisition module 22, current acquisition module 23, temperature collect module 24, display module 25 and control module 26, described voltage acquisition module 22, described current acquisition module 23 are connected with the input of control module 26 with the output of described temperature collect module 24, and the output of described control module 26 is connected with described display module 25 with described multiple charging module 21;
Wherein, described charging module 21, for charging to described lagging batteries; Described charging module 21 specifically comprises the charge circuit be connected with corresponding storage battery and the switch be connected with microcontroller.
Described voltage acquisition module 22, for gathering the magnitude of voltage of each storage battery in batteries;
Described current acquisition module 23, for gathering the current value of each storage battery in batteries;
Described control module 26, for by the magnitude of voltage of each storage battery in batteries compared with preset voltage value, obtain the storage battery of magnitude of voltage lower than preset voltage value; By described magnitude of voltage lower than the current value of the storage battery of preset voltage value compared with pre-set current value, obtain the storage battery of current value lower than pre-set current value as lagging batteries, control charging module corresponding to described lagging batteries 21 to charge to described lagging batteries, make the magnitude of voltage of described lagging batteries be greater than described preset voltage value; It judges that lagging batteries is more accurate, and charging actual effect is stronger, effectively can prevent the appearance of behindhand battery in batteries.
As one preferably execution mode, described control module 26, also for by the magnitude of voltage of each storage battery in batteries compared with predeterminated voltage threshold value, obtain the storage battery of magnitude of voltage lower than predeterminated voltage threshold value as lagging batteries, control charging module corresponding to described lagging batteries 21 to charge to described lagging batteries, make the magnitude of voltage of described lagging batteries be greater than described preset voltage value.Wherein, predeterminated voltage threshold value is less than preset voltage value.When in batteries, battery tension is too low, directly using corresponding storage battery as lagging batteries, real time charging is carried out to it, improve to behindhand battery charging promptness.
Concrete, described control module 26 comprises: the input interface connected successively, analog-to-digital conversion module, microcontroller and output interface, wherein:
Described input interface is connected with described current acquisition module with described voltage acquisition module;
The current value of the magnitude of voltage of described storage battery, described storage battery is converted to digital signal by described analog-to-digital conversion module, inputs to described microcontroller;
Described microcontroller, for by the magnitude of voltage of each storage battery in battery pack compared with preset voltage value, obtain the storage battery of magnitude of voltage lower than preset voltage value; By described magnitude of voltage lower than the current value of the storage battery of preset voltage value compared with pre-set current value, obtain the storage battery of current value lower than pre-set current value as lagging batteries;
Described output interface is connected with each charging module, charging, making the magnitude of voltage of described lagging batteries be greater than described preset voltage value for controlling charging module corresponding to described lagging batteries to described lagging batteries.
Described temperature collect module 24, for gathering described lagging batteries temperature.
Described display module 25, for the battery tension collected value, current value and temperature value being shown, is convenient to the working condition of each storage battery of visual supervisory control.
Online batteries behindhand battery emergency response assistant system of the present invention, by the magnitude of voltage of each storage battery in batteries and current value and preset voltage value and pre-set current value are compared in real time, when magnitude of voltage and current value are all lower than preset voltage value and pre-set current value, determine that corresponding storage battery is lagging batteries, it judges that lagging batteries is more accurate, charging actual effect is stronger, effectively can prevent the appearance of behindhand battery in batteries.Further, by the magnitude of voltage of each storage battery in batteries compared with predeterminated voltage threshold value, obtain the storage battery of magnitude of voltage lower than predeterminated voltage threshold value as lagging batteries, when in batteries, battery tension is too low, directly using corresponding storage battery as lagging batteries, real time charging is carried out to it, improves the promptness to behindhand battery charging.
The present invention also provides a kind of method of work of online batteries behindhand battery emergency response assistant system, and as shown in Figure 3, the method comprises:
301, magnitude of voltage and the current value of each storage battery of batteries is gathered;
302, by the magnitude of voltage of each storage battery in batteries compared with predeterminated voltage threshold value;
According to the comparative result of this step, when there is the storage battery of magnitude of voltage lower than predeterminated voltage threshold value of storage battery in batteries, then perform following step 303; If there is not the storage battery of magnitude of voltage lower than predeterminated voltage threshold value of storage battery in batteries, then perform following step 304 ~ 305.
If 303 obtain the storage battery of magnitude of voltage lower than predeterminated voltage threshold value, using the storage battery lower than predeterminated voltage threshold value as lagging batteries; Control charging module corresponding to described lagging batteries to charge to described lagging batteries, make the magnitude of voltage of described lagging batteries be greater than described preset voltage value.
If 304 do not obtain the storage battery of magnitude of voltage lower than predeterminated voltage threshold value, by the magnitude of voltage of each storage battery in batteries compared with preset voltage value, obtain the storage battery of magnitude of voltage lower than preset voltage value;
305, by described magnitude of voltage lower than the current value of the storage battery of preset voltage value compared with pre-set current value, obtain the storage battery of current value lower than pre-set current value as lagging batteries; Control charging module corresponding to described lagging batteries to charge to described lagging batteries, make the magnitude of voltage of described lagging batteries be greater than described preset voltage value.
306, the magnitude of voltage of each storage battery in described batteries and current value are shown.
Online batteries behindhand battery emergency response assistant system of the present invention and method, by the magnitude of voltage of each storage battery in batteries and current value and preset voltage value and pre-set current value are compared in real time, when magnitude of voltage and current value are all lower than preset voltage value and pre-set current value, determine that corresponding storage battery is lagging batteries, it judges that lagging batteries is more accurate, charging actual effect is stronger, effectively can prevent the appearance of behindhand battery in batteries.Further, by the magnitude of voltage of each storage battery in batteries compared with predeterminated voltage threshold value, obtain the storage battery of magnitude of voltage lower than predeterminated voltage threshold value as lagging batteries, when in batteries, battery tension is too low, directly using corresponding storage battery as lagging batteries, real time charging is carried out to it, improves the promptness to behindhand battery charging.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory, ROM) or random store-memory body (RandomAccessMemory, RAM) etc.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.