CN105261802A - Battery factory voltage limiting method and device - Google Patents
Battery factory voltage limiting method and device Download PDFInfo
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- CN105261802A CN105261802A CN201510625974.3A CN201510625974A CN105261802A CN 105261802 A CN105261802 A CN 105261802A CN 201510625974 A CN201510625974 A CN 201510625974A CN 105261802 A CN105261802 A CN 105261802A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4285—Testing apparatus
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a battery factory voltage limiting method and device. The device comprises a voltage limit setting module, a battery interface and a control module, wherein the voltage limit setting module is used for setting a matched battery factory voltage limiting range in advance according to the characteristics of different batteries; the factory voltage limiting range comprises an upper limit voltage and a lower limit voltage; the battery interface is used for connecting an anode and a cathode of the battery and the device; and the control module is used for starting the device, carrying out discharging or charging on the battery which is connected with the device and closing the device when detecting that the battery voltage is within the factory voltage limit range. The factory battery is connected with the device disclosed by the invention, so that the factory battery voltage is controlled within the matched factory voltage limiting range by the device; the safety of the battery in a transportation process is facilitated; maintenance of the battery voltage is also facilitated; the labor cost for inspecting the battery voltage before leaving the factory can be reduced; and the inspection accuracy is also ensured.
Description
Technical field
The present invention relates to cell art, particularly relate to a kind of battery and to dispatch from the factory limiting voltage method and device.
Background technology
At present, rechargeable battery has been widely used in the portable set such as mobile phone, notebook computer.For the equipment of battery-disassembled, in order to ensure transportation safety, battery and equipment are separated in packing box often.Because battery needs through one comparatively very long period from dispatching from the factory to final arrival client hand, battery is as a kind of chemical substance, when dispatching from the factory, cell voltage needs to limit within the specific limits, had both been conducive to the safety in battery transportation, and was also conducive to the maintenance of cell voltage within the scope of this; If cell voltage is too high when dispatching from the factory, then in transportation, the easy bulge of battery, even explodes; If cell voltage is too low when dispatching from the factory, then cell voltage easily declines fast, when client receives battery, enough voltage cannot be provided to make device power-up.
In the prior art, all need before battery dispatches from the factory by hand inspection cell voltage whether in limited range, if not in limited range, need to carry out charge or discharge to meet limiting voltage requirement when battery dispatches from the factory by artificial to battery, very labor intensive, and existence is manually neglected in risk.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, provides a kind of battery to dispatch from the factory limiting voltage method and device.The problem that the efficiency that the invention solves existing hand inspection and cause battery charging and discharging is low, there is potential safety hazard, the cell voltage that dispatches from the factory can be controlled in by the present invention adaptive dispatches from the factory within the scope of limiting voltage, be conducive to the safety in battery transportation, also the maintenance of cell voltage is conducive to, the cost of labor that cell voltage checks before dispatching from the factory can be reduced, in turn ensure that the accuracy of inspection.
The technical scheme that technical solution problem of the present invention adopts is as follows:
A kind of battery dispatches from the factory limiting voltage device, wherein, comprising:
For pre-setting the dispatch from the factory pressure limiting of limiting voltage scope of suitable battery according to the characteristic of different battery, module is set; Described limiting voltage scope of dispatching from the factory comprises: upper voltage limit and lower voltage limit;
For the battery interface that the positive pole of described battery, negative pole are connected with described device;
Control module, for starting drive, discharges to the battery that described device connects or charges, and detects when described cell voltage dispatches from the factory within the scope of limiting voltage described, then closes described device.
Described battery interface, control module and pressure limiting arrange module and are connected successively;
Described battery dispatches from the factory limiting voltage device, and wherein, described control module comprises:
Detection module, for obtaining cell voltage, by the described cell voltage obtained with pre-set described in the dispatch from the factory upper voltage limit of limiting voltage scope and lower voltage limit compare;
Processing module, is connected with described detection module, for detecting when described cell voltage dispatches from the factory within the scope of limiting voltage described, then sends shutoff device instruction, described device is closed; Detect and do not dispatch from the factory within the scope of limiting voltage described when described cell voltage, then send electric discharge or charging instruction, control to discharge to the battery that described device connects or charge, make described cell voltage extremely described in dispatch from the factory within the scope of limiting voltage.
Described battery dispatches from the factory limiting voltage device, and wherein, described detection module also comprises:
Acquisition module, for obtaining connection cell voltage on such devices;
Comparison module, is connected with described acquisition module, for by the described cell voltage obtained with pre-set described in the dispatch from the factory upper voltage limit of limiting voltage scope and lower voltage limit compare;
Time block, is connected with described acquisition module, for obtaining described cell voltage every a set time detection trigger.
Described battery dispatches from the factory limiting voltage device, and wherein, described processing module also comprises:
Direct processing module, is connected with described detection module, for detecting when described cell voltage dispatches from the factory within the scope of limiting voltage described, then sends shutoff device instruction, described device is closed;
Discharge process module, be connected with described detection module, for not dispatching from the factory within the scope of limiting voltage described when detecting described cell voltage, and described cell voltage be more than or equal to described in dispatch from the factory the upper voltage limit of limiting voltage scope time, the discharge procedures controlling to open described device carries out discharge operation to described battery; When described device is in battery discharge procedure, open a timer simultaneously, detect every a scheduled time and obtain described cell voltage; Dispatch from the factory within the scope of limiting voltage when detecting described in described cell voltage extremely, then send shutoff device instruction, described device is closed;
Charging process module, be connected with described detection module, for not dispatching from the factory within the scope of limiting voltage described when detecting described cell voltage, and described cell voltage be less than or equal to described in dispatch from the factory the lower voltage limit of limiting voltage scope time, the charging procedure controlling to open described device carries out charging operations to described battery; When described device is in battery charging process, open a timer simultaneously, detect cell voltage every a scheduled time; Dispatch from the factory within the scope of limiting voltage when detecting described in described cell voltage extremely, then send shutoff device instruction, described device is closed.
Described battery dispatches from the factory limiting voltage device, and wherein, described discharge process module also comprises:
Electric discharge setting unit, for the characteristic according to different battery, arranges suitable cut-ff voltage and discharging current;
Unit is opened in electric discharge, being connected, carrying out discharge operation for controlling to open described device to described battery with described electric discharge setting unit;
Voltage acquisition unit, is connected with described time block, there is pressure drop, then suspend electric discharge in the internal resistance when described battery, obtains the cathode voltage of battery, restarts electric discharge;
Electric discharge stop element, is connected with described time block, for discharging gradually when described battery, detecting and dispatching from the factory within the scope of limiting voltage described in described cell voltage extremely, then sending shutoff device instruction, described device is closed.
Described battery dispatches from the factory limiting voltage device, and wherein, described charging process module also comprises:
Charging setting unit, for the characteristic according to different battery, arranges suitable upper voltage limit and charging current;
Unit is opened in charging, being connected, carrying out charging operations for controlling to open described device to described battery with described charging setting unit;
Voltage acquisition unit, is connected with described time block, there is voltage rise, then suspend charging in the internal resistance when described battery, obtains the cathode voltage of battery, restarts charging;
Charging stop element, is connected with described time block, for charging gradually when described battery, detecting and dispatching from the factory within the scope of limiting voltage described in described cell voltage extremely, then sending shutoff device instruction, described device is closed.
The present invention also provides a kind of battery to dispatch from the factory limiting voltage method, wherein, comprises step:
A, to dispatch from the factory limiting voltage scope according to the battery that the featured configuration of different battery is suitable in advance;
B, the limiting voltage device that the positive pole of described battery, negative pole and described battery to be dispatched from the factory are connected;
C, start described device, the battery connecting described device is discharged or charge, detect and work as described cell voltage and dispatch from the factory within the scope of limiting voltage described, then close described device.
Described battery dispatches from the factory limiting voltage method, wherein, described in limiting voltage scope of dispatching from the factory comprise: upper voltage limit and lower voltage limit;
Described step C comprises:
C1, obtain cell voltage, by the described cell voltage obtained with pre-set described in the dispatch from the factory upper voltage limit of limiting voltage scope and lower voltage limit compare;
C2, when detection described cell voltage dispatch from the factory within the scope of limiting voltage described, then send shutoff device instruction, described device closed; When the described cell voltage of detection does not dispatch from the factory within the scope of limiting voltage described, then send electric discharge or charging instruction, control to discharge to the battery that described device connects or charge, make described cell voltage extremely described in dispatch from the factory within the scope of limiting voltage.
Described battery dispatches from the factory limiting voltage method, and wherein, described step C2 also comprises:
C211, not dispatch from the factory within the scope of limiting voltage described when the described cell voltage of detection, and described cell voltage be more than or equal to described in dispatch from the factory the upper voltage limit of limiting voltage scope time, the discharge procedures controlling to open described device carries out discharge operation to described battery;
C212, when described device is in battery discharge procedure, open a timer simultaneously, detect every a scheduled time and obtain described cell voltage, and perform step C213;
C213, when described battery discharges gradually, detect described cell voltage to described in dispatch from the factory within the scope of limiting voltage, then send shutoff device instruction, described device closed;
Described step C213 also comprises:
C2131, in the internal resistance of described battery, there is pressure drop, then suspend electric discharge;
The cathode voltage of C2132, acquisition battery;
C2133, restart electric discharge.
Described battery dispatches from the factory limiting voltage method, and wherein, described step C2 also comprises:
C221, not dispatch from the factory within the scope of limiting voltage described when the described cell voltage of detection, and described cell voltage be less than or equal to described in dispatch from the factory the lower voltage limit of limiting voltage scope time, the charging procedure controlling to open described device carries out charging operations to described battery;
C222, when described device is in battery charging process, open a timer simultaneously, detect cell voltage every a Preset Time, and perform step C223;
C223, when described battery charges gradually, detect described cell voltage to described in dispatch from the factory within the scope of limiting voltage, then send shutoff device instruction, described device closed;
Described step C222 also comprises:
C2221, in the internal resistance of described battery, there is voltage rise, then suspend charging;
The cathode voltage of C2222, acquisition battery;
C2223, restart charging.
A kind of battery provided by the present invention dispatches from the factory limiting voltage method and device, by the suitable limiting voltage scope of dispatching from the factory comparing surveyed cell voltage Yu pre-set, automatic judgement is also charged to surveyed battery or discharges, the cell voltage that is connected with device provided by the present invention is made to dispatch from the factory within the scope of limiting voltage in adaptation, the efficiency solving existing hand inspection and cause battery charging and discharging is low, there is the problem of potential safety hazard, and the safety be conducive in battery transportation, also the maintenance of cell voltage is conducive to, the cost of labor that cell voltage checks before dispatching from the factory can be reduced, in turn ensure that the accuracy of inspection.
Accompanying drawing explanation
Fig. 1 is that a kind of battery of the present invention dispatches from the factory the structural representation of preferred embodiment of limiting voltage device.
Fig. 2 is that a kind of battery of the present invention dispatches from the factory the control module structural representation of preferred embodiment of limiting voltage device.
Fig. 3 is that a kind of battery of the present invention dispatches from the factory the detection module structural representation of preferred embodiment of limiting voltage device.
Fig. 4 is that a kind of battery of the present invention dispatches from the factory the processing module structural representation of preferred embodiment of limiting voltage device.
Fig. 5 is that a kind of battery of the present invention dispatches from the factory the flow chart of preferred embodiment of limiting voltage method.
Embodiment
For making object of the present invention, technical scheme and advantage clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is that a kind of battery of the present invention dispatches from the factory the structural representation of preferred embodiment of limiting voltage device.Comprise:
For pre-setting the dispatch from the factory pressure limiting of limiting voltage scope of suitable battery according to the characteristic of different battery, module 100 is set; Described limiting voltage scope of dispatching from the factory comprises: upper voltage limit and lower voltage limit;
For the battery interface 110 that the positive pole of described battery, negative pole are connected with described device;
Control module 120, for starting drive, discharges to the battery that described device connects or charges, and detects when described cell voltage dispatches from the factory within the scope of limiting voltage described, then closes described device;
Further, described battery interface 110, control module 120 arrange module 100 with pressure limiting and are connected successively.
Wherein, as shown in Figure 2, described control module 120 comprises:
Detection module 121, for obtaining cell voltage, by the described cell voltage obtained with pre-set described in the dispatch from the factory upper voltage limit of limiting voltage scope and lower voltage limit compare;
Processing module 122, is connected with described detection module 121, for detecting when described cell voltage dispatches from the factory within the scope of limiting voltage described, then sends shutoff device instruction, described device is closed; Detect and do not dispatch from the factory within the scope of limiting voltage described when described cell voltage, then send electric discharge or charging instruction, control to discharge to the battery that described device connects or charge, make described cell voltage extremely described in dispatch from the factory within the scope of limiting voltage.
Further, as shown in Figure 3, described battery dispatches from the factory limiting voltage device, and wherein, described detection module 121 also comprises:
Acquisition module 1211, for obtaining connection cell voltage on such devices;
Comparison module 1212, is connected with described acquisition module 1211, for by the described cell voltage obtained with pre-set described in the dispatch from the factory upper voltage limit of limiting voltage scope and lower voltage limit compare;
Time block 1213, is connected with described acquisition module 1211, for obtaining described cell voltage every a set time detection trigger.
Further, as shown in Figure 4, described battery dispatches from the factory limiting voltage device, and wherein, described processing module 122 also comprises:
Direct processing module 1221, is connected with described detection module 121, for detecting when described cell voltage dispatches from the factory within the scope of limiting voltage described, then sends shutoff device instruction, described device is closed;
Discharge process module 1222, be connected with described detection module 121, for detecting when described cell voltage does not dispatch from the factory within the scope of limiting voltage described, and described cell voltage be more than or equal to described in dispatch from the factory the upper voltage limit of limiting voltage scope time, the discharge procedures controlling to open described device carries out discharge operation to described battery; When described device is in battery discharge procedure, open a timer simultaneously, detect every a scheduled time and obtain described cell voltage; Dispatch from the factory within the scope of limiting voltage when detecting described in described cell voltage extremely, then send shutoff device instruction, described device is closed;
Charging process module 1223, be connected with described detection module 121, for detecting when described cell voltage does not dispatch from the factory within the scope of limiting voltage described, and described cell voltage be less than or equal to described in dispatch from the factory the lower voltage limit of limiting voltage scope time, the charging procedure controlling to open described device carries out charging operations to described battery; When described device is in battery charging process, open a timer simultaneously, detect cell voltage every a scheduled time; Dispatch from the factory within the scope of limiting voltage when detecting described in described cell voltage extremely, then send shutoff device instruction, described device is closed.
Further, described battery dispatches from the factory limiting voltage device, and wherein, described discharge process module 1222 also comprises:
Electric discharge setting unit, for the characteristic according to different battery, arranges suitable cut-ff voltage and discharging current;
Unit is opened in electric discharge, being connected, carrying out discharge operation for controlling to open described device to described battery with described electric discharge setting unit;
Voltage acquisition unit, is connected with described time block 1213, for suspending electric discharge, obtaining the cathode voltage of battery, restarting electric discharge;
Electric discharge stop element, is connected with described time block 1213, for discharging gradually when described battery, detecting and dispatching from the factory within the scope of limiting voltage described in described cell voltage extremely, then sending shutoff device instruction, described device is closed.
Further, described battery dispatches from the factory limiting voltage device, and wherein, described charging process module 1223 also comprises:
Charging setting unit, for the characteristic according to different battery, arranges suitable upper voltage limit and charging current;
Unit is opened in charging, being connected, carrying out charging operations for controlling to open described device to described battery with described charging setting unit;
Voltage acquisition unit, is connected with described time block 1213, for suspending charging, obtaining the cathode voltage of battery, restarting charging;
Charging stop element, is connected with described time block 1213, for charging gradually when described battery, detecting and dispatching from the factory within the scope of limiting voltage described in described cell voltage extremely, then sending shutoff device instruction, described device is closed.
Below, by a specific embodiment, the limiting voltage device that dispatches from the factory provided by the invention is described.
When battery is before dispatching from the factory, for being conducive to the safety in battery transportation, and the maintenance of cell voltage, need the characteristic according to different batteries, show that this battery dispatches from the factory the suitable optimum voltage scope of voltage, generally can find in battery product specifications, or in Delivery Inspection Report, inquiry obtains.For example, the upper limit of certain size battery optimum range of voltage when dispatching from the factory is 4.0V, and lower limit is 3.8V, then arranging battery limiting voltage scope of dispatching from the factory in said device is 3.8 ~ 4.0V.
In embodiments of the present invention, what described limiting voltage device setting of dispatching from the factory can be connected with surveyed anode is the first contact, and being connected with surveyed battery cathode is the second contact, the structure of use and self-contained battery; Contacted with the first contact of described device by the positive pole of surveyed battery, the negative pole of described battery contacts with the second contact of described device, and ensures that contact is good, is fixed by battery by the structure of the self-contained battery on described device.
After testing apparatus fixes the battery needing test, dispatch from the factory described in startup limiting voltage device, first described device obtains the voltage of the first contact relative to the second contact, namely the cell voltage on described device battery interface is connected to, then the upper voltage limit that dispatches from the factory corresponding with this battery size pre-set in a device for the described cell voltage obtained is compared with the lower voltage limit that dispatches from the factory, namely in embodiments of the present invention, the magnitude of voltage of the battery that device detects is compared to determine whether within the scope of 3.8 ~ 4.0V.
The magnitude of voltage of the battery detected when device within the scope of 3.8 ~ 4.0V, then sends out code, described in the limiting voltage device that dispatches from the factory automatically close; The voltage of battery reaches the voltage request dispatched from the factory, and is the qualified magnitude of voltage that dispatches from the factory.The magnitude of voltage of the battery detected when device is not within the scope of 3.8 ~ 4.0V, whether the limiting voltage device that dispatches from the factory then can be more than or equal to upper voltage limit 4.0V according to what judge automatically, or whether be less than or equal to lower voltage limit 3.8V, carry out the operation sequence of automatic star t-up discharge or charging, finally make the adjustment of the magnitude of voltage of surveyed battery dispatch from the factory within the scope of 3.8 ~ 4.0V of requirement at battery.
The magnitude of voltage of the battery detected when described device is not within the scope of 3.8 ~ 4.0V, and described cell voltage is when being more than or equal to 4.0V, the discharge procedures that described device is opened is discharged to described battery, and this timer can automatically judge according to the characteristic of different battery and arrange suitable cut-ff voltage and discharging current, certain user also can manually carry out arranging discharge parameter in said device; In the beginning process of electric discharge, open a timer simultaneously, detect every a scheduled time (such as, can be 20 milliseconds) and obtain described cell voltage; Dispatch from the factory within the scope of limiting voltage when detecting described in described cell voltage extremely, i.e. time within the scope of battery discharge to 3.8 ~ 4.0V, then described device sends out code, and device is closed automatically.
Further, when described device is in battery discharge procedure, there is internal resistance R in inside battery, if the electric current of present discharge is If, then on the internal resistance of cell, there is pressure drop R*If, if now the first contact of acquisition device is U1 relative to the voltage of the second contact, current actual cell voltage is U2, then U1=U2-R*If, obviously now the first contact of acquisition device relative to the voltage U 1 of the second contact lower than actual cell voltage U2; Only have when the electric current I f discharged is zero, now the first contact of acquisition device just equals actual cell voltage U2 relative to the voltage U 1 of the second contact; Therefore, in this discharge process, need suspend electric discharge, and obtain the voltage on the positive pole of battery, the voltage now obtained and the described limiting voltage scope 3.8 ~ 4.0V that dispatches from the factory compare, if when described cell voltage is still more than or equal to 4.0V, then restart electric discharge; If described cell voltage dispatches from the factory within the scope of limiting voltage scope 3.8 ~ 4.0V described, then described device sends out code, and device is closed automatically.
The magnitude of voltage of the battery detected when described device is not within the scope of 3.8 ~ 4.0V, and described cell voltage is when being less than or equal to 3.8V, the charging procedure that described device is opened charges to described battery, and this timer can automatically judge according to the characteristic of different battery and arrange suitable upper voltage limit and charging current, certain user also can manually carry out arranging charge parameter in said device; In the beginning process of charging, open a timer simultaneously, detect every a scheduled time (such as, can be 20 milliseconds) and obtain described cell voltage; Dispatch from the factory within the scope of limiting voltage when detecting described in described cell voltage extremely, when namely battery charges within the scope of 3.8 ~ 4.0V, then described device sends out code, and device is closed automatically.
Further, when described device is in battery charging process, there is internal resistance R in inside battery, if the electric current of present discharge is Ic, then on the internal resistance of cell, there is voltage rise R*Ic, if now the first contact of acquisition device is U1 relative to the voltage of the second contact, current actual cell voltage is U2, then U1=U2+R*Ic, obviously now the first contact of acquisition device relative to the voltage U 1 of the second contact higher than actual cell voltage U2; Only have when the electric current I c charged is zero, now the first contact of acquisition device just equals actual cell voltage U2 relative to the voltage U 1 of the second contact; Therefore, in this discharge process, electric discharge need be suspended, and the voltage obtained on the positive pole of battery, the voltage now obtained and the described limiting voltage scope 3.8 ~ 4.0V that dispatches from the factory compare, if when described cell voltage is still less than in or equals 3.8V, then restart charging; If described cell voltage dispatches from the factory within the scope of limiting voltage scope 3.8 ~ 4.0V described, then described device sends out code, and device is closed automatically.
Visible, by the suitable limiting voltage scope of dispatching from the factory comparing surveyed cell voltage Yu pre-set, automatic judgement is also charged to surveyed battery or discharges, the cell voltage that is connected with device provided by the present invention is made to dispatch from the factory within the scope of limiting voltage in adaptation, the efficiency solving existing hand inspection and cause battery charging and discharging is low, there is the problem of potential safety hazard, and the safety be conducive in battery transportation, also the maintenance of cell voltage is conducive to, the cost of labor that cell voltage checks before dispatching from the factory can be reduced, in turn ensure that the accuracy of inspection.
Based on above-described embodiment, present invention also offers a kind of battery and to dispatch from the factory limiting voltage method, as shown in Figure 5, said method comprising the steps of:
Step S100, to dispatch from the factory limiting voltage scope according to the battery that the featured configuration of different battery is suitable in advance.
Suitable battery can be arranged according to the characteristic of different battery in described battery provided by the invention dispatches from the factory limiting voltage device in advance to dispatch from the factory limiting voltage scope; According to the difference of different battery size, type, limiting voltage scope of dispatching from the factory described in setting comprises: upper voltage limit and lower voltage limit.
Step S200, the limiting voltage device that the positive pole of described battery, negative pole and described battery to be dispatched from the factory are connected.
Be connected needing the positive pole of the battery of factory testing, negative pole and the battery provided by the present invention limiting voltage device that dispatches from the factory.
Step S300, start described battery and to dispatch from the factory limiting voltage device, the battery connecting described device is discharged or charge, detect and work as described cell voltage and dispatch from the factory within the scope of limiting voltage described, then close described device.
Wherein, described step S300 comprises:
S301, obtain cell voltage, by the described cell voltage obtained with pre-set described in the dispatch from the factory upper voltage limit of limiting voltage scope and lower voltage limit compare;
S302, when detection described cell voltage dispatch from the factory within the scope of limiting voltage described, then send shutoff device instruction, described device closed; When the described cell voltage of detection does not dispatch from the factory within the scope of limiting voltage described, then send electric discharge or charging instruction, control to discharge to the battery that described device connects or charge, make described cell voltage extremely described in dispatch from the factory within the scope of limiting voltage.
Be specially, when the described cell voltage of detection does not dispatch from the factory within the scope of limiting voltage described, and described cell voltage be more than or equal to described in dispatch from the factory the upper voltage limit of limiting voltage scope time, the discharge procedures controlling to open described device carries out discharge operation to described battery; When described device is in battery discharge procedure, open a timer simultaneously, detect every a scheduled time and obtain described cell voltage; When described battery discharges gradually, detect and dispatch from the factory within the scope of limiting voltage described in described cell voltage extremely, then send shutoff device instruction, described device is closed; When in described battery gradually charging process, when producing pressure drop, then described battery suspends electric discharge, and obtains the cathode voltage of battery, restarts electric discharge, with make described cell voltage to described in dispatch from the factory within the scope of limiting voltage.
Further, in a particular embodiment, when the described cell voltage of detection does not dispatch from the factory within the scope of limiting voltage described, and described cell voltage be less than or equal to described in dispatch from the factory the lower voltage limit of limiting voltage scope time, the charging procedure controlling to open described device carries out charging operations to described battery; When described device is in battery charging process, open a timer simultaneously, detect cell voltage every a Preset Time; When described battery charges gradually, detect and dispatch from the factory within the scope of limiting voltage described in described cell voltage extremely, then send shutoff device instruction, described device is closed; When in described battery gradually charging process, when producing voltage rise, then described battery suspends charging, and obtains the cathode voltage of battery, restarts charging, with make described cell voltage to described in dispatch from the factory within the scope of limiting voltage.
In sum, a kind of battery provided by the present invention dispatches from the factory limiting voltage method and device, by the suitable limiting voltage scope of dispatching from the factory comparing surveyed cell voltage Yu pre-set, automatic judgement is also charged to surveyed battery or discharges, the cell voltage that is connected with device provided by the present invention is made to dispatch from the factory within the scope of limiting voltage in adaptation, the efficiency solving existing hand inspection and cause battery charging and discharging is low, there is the problem of potential safety hazard, and the safety be conducive in battery transportation, also the maintenance of cell voltage is conducive to, the cost of labor that cell voltage checks before dispatching from the factory can be reduced, in turn ensure that the accuracy of inspection.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to claims of the present invention.
Claims (10)
1. battery dispatches from the factory a limiting voltage device, it is characterized in that, comprising:
For pre-setting the dispatch from the factory pressure limiting of limiting voltage scope of suitable battery according to the characteristic of different battery, module is set; Described limiting voltage scope of dispatching from the factory comprises: upper voltage limit and lower voltage limit;
For the battery interface that the positive pole of described battery, negative pole are connected with described device;
Control module, for starting drive, discharges to the battery that described device connects or charges, and detects when described cell voltage dispatches from the factory within the scope of limiting voltage described, then closes described device;
Described battery interface, control module and pressure limiting arrange module and are connected successively.
2. battery according to claim 1 dispatches from the factory limiting voltage device, and it is characterized in that, described control module comprises:
Detection module, for obtaining cell voltage, by the described cell voltage obtained with pre-set described in the dispatch from the factory upper voltage limit of limiting voltage scope and lower voltage limit compare;
Processing module, is connected with described detection module, for detecting when described cell voltage dispatches from the factory within the scope of limiting voltage described, then sends shutoff device instruction, described device is closed; Detect and do not dispatch from the factory within the scope of limiting voltage described when described cell voltage, then send electric discharge or charging instruction, control to discharge to the battery that described device connects or charge, make described cell voltage extremely described in dispatch from the factory within the scope of limiting voltage.
3. battery according to claim 2 dispatches from the factory limiting voltage device, and it is characterized in that, described detection module also comprises:
Acquisition module, for obtaining connection cell voltage on such devices;
Comparison module, is connected with described acquisition module, for by the described cell voltage obtained with pre-set described in the dispatch from the factory upper voltage limit of limiting voltage scope and lower voltage limit compare;
Time block, is connected with described acquisition module, for obtaining described cell voltage every a set time detection trigger.
4. battery according to claim 2 dispatches from the factory limiting voltage device, and it is characterized in that, described processing module also comprises:
Direct processing module, is connected with described detection module, for detecting when described cell voltage dispatches from the factory within the scope of limiting voltage described, then sends shutoff device instruction, described device is closed;
Discharge process module, be connected with described detection module, for not dispatching from the factory within the scope of limiting voltage described when detecting described cell voltage, and described cell voltage be more than or equal to described in dispatch from the factory the upper voltage limit of limiting voltage scope time, the discharge procedures controlling to open described device carries out discharge operation to described battery; When described device is in battery discharge procedure, open a timer simultaneously, detect every a scheduled time and obtain described cell voltage; Dispatch from the factory within the scope of limiting voltage when detecting described in described cell voltage extremely, then send shutoff device instruction, described device is closed;
Charging process module, be connected with described detection module, for not dispatching from the factory within the scope of limiting voltage described when detecting described cell voltage, and described cell voltage be less than or equal to described in dispatch from the factory the lower voltage limit of limiting voltage scope time, the charging procedure controlling to open described device carries out charging operations to described battery; When described device is in battery charging process, open a timer simultaneously, detect cell voltage every a scheduled time; Dispatch from the factory within the scope of limiting voltage when detecting described in described cell voltage extremely, then send shutoff device instruction, described device is closed.
5. battery according to claim 4 dispatches from the factory limiting voltage device, and it is characterized in that, described discharge process module also comprises:
Electric discharge setting unit, for the characteristic according to different battery, arranges suitable cut-ff voltage and discharging current;
Unit is opened in electric discharge, being connected, carrying out discharge operation for controlling to open described device to described battery with described electric discharge setting unit;
Voltage acquisition unit, is connected with described time block, there is pressure drop, then suspend electric discharge in the internal resistance when described battery, obtains the cathode voltage of battery, restarts electric discharge;
Electric discharge stop element, is connected with described time block, for discharging gradually when described battery, detecting and dispatching from the factory within the scope of limiting voltage described in described cell voltage extremely, then sending shutoff device instruction, described device is closed.
6. battery according to claim 4 dispatches from the factory limiting voltage device, and it is characterized in that, described charging process module also comprises:
Charging setting unit, for the characteristic according to different battery, arranges suitable upper voltage limit and charging current;
Unit is opened in charging, being connected, carrying out charging operations for controlling to open described device to described battery with described charging setting unit;
Voltage acquisition unit, is connected with described time block, there is voltage rise, then suspend charging in the internal resistance when described battery, obtains the cathode voltage of battery, restarts charging;
Charging stop element, is connected with described time block, for charging gradually when described battery, detecting and dispatching from the factory within the scope of limiting voltage described in described cell voltage extremely, then sending shutoff device instruction, described device is closed.
7. battery dispatches from the factory a limiting voltage method, it is characterized in that, comprises step:
A, to dispatch from the factory limiting voltage scope according to the battery that the featured configuration of different battery is suitable in advance;
B, the positive pole of described battery, negative pole to be connected with device described in any one of claim 1-6;
C, start described device, the battery connecting described device is discharged or charge, detect and work as described cell voltage and dispatch from the factory within the scope of limiting voltage described, then close described device.
8. battery according to claim 7 dispatches from the factory limiting voltage method, it is characterized in that,
Described limiting voltage scope of dispatching from the factory comprises: upper voltage limit and lower voltage limit;
Described step C comprises:
C1, obtain cell voltage, by the described cell voltage obtained with pre-set described in the dispatch from the factory upper voltage limit of limiting voltage scope and lower voltage limit compare;
C2, when detection described cell voltage dispatch from the factory within the scope of limiting voltage described, then send shutoff device instruction, described device closed; When the described cell voltage of detection does not dispatch from the factory within the scope of limiting voltage described, then send electric discharge or charging instruction, control to discharge to the battery that described device connects or charge, make described cell voltage extremely described in dispatch from the factory within the scope of limiting voltage.
9. battery according to claim 8 dispatches from the factory limiting voltage method, it is characterized in that,
Described step C2 also comprises:
C211, not dispatch from the factory within the scope of limiting voltage described when the described cell voltage of detection, and described cell voltage be more than or equal to described in dispatch from the factory the upper voltage limit of limiting voltage scope time, the discharge procedures controlling to open described device carries out discharge operation to described battery;
C212, when described device is in battery discharge procedure, open a timer simultaneously, detect every a scheduled time and obtain described cell voltage, and perform step C213;
C213, when described battery discharges gradually, detect described cell voltage to described in dispatch from the factory within the scope of limiting voltage, then send shutoff device instruction, described device closed;
Described step C213 also comprises:
C2131, in the internal resistance of described battery, there is pressure drop, then suspend electric discharge;
The cathode voltage of C2132, acquisition battery;
C2133, restart electric discharge.
10. battery according to claim 8 dispatches from the factory limiting voltage method, it is characterized in that,
Described step C2 also comprises:
C221, not dispatch from the factory within the scope of limiting voltage described when the described cell voltage of detection, and described cell voltage be less than or equal to described in dispatch from the factory the lower voltage limit of limiting voltage scope time, the charging procedure controlling to open described device carries out charging operations to described battery;
C222, when described device is in battery charging process, open a timer simultaneously, detect cell voltage every a Preset Time, and perform step C223;
C223, when described battery charges gradually, detect described cell voltage to described in dispatch from the factory within the scope of limiting voltage, then send shutoff device instruction, described device closed;
Described step C222 also comprises:
C2221, in the internal resistance of described battery, there is voltage rise, then suspend charging;
The cathode voltage of C2222, acquisition battery;
C2223, restart charging.
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| CN110208714A (en) * | 2019-06-24 | 2019-09-06 | 天能电池(芜湖)有限公司 | A kind of mode of the quick factory testing of rechargeable battery |
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