CN1414655A

CN1414655A - Battery component charging method and its device

Info

Publication number: CN1414655A
Application number: CN02127989A
Authority: CN
Inventors: 邱望标; 陈伦军; 陈海虹
Original assignee: GUIZHOU POLYTECHNICAL UNIV
Current assignee: GUIZHOU POLYTECHNICAL UNIV
Priority date: 2002-12-06
Filing date: 2002-12-06
Publication date: 2003-04-30
Anticipated expiration: 2022-12-06
Also published as: CN1189973C

Abstract

A uniform charging method for the set of storage battery executes uniform charge and inspection piece by piece for each storage battery contained in the set separately with the setting time and the sequence. The charging equipment is composed of PLC programmable controller, voltage detector, electrical charger and on-off switching set. The present invention can ensure that each piece of storage battery in the set is not overcharged or overdischarged when the charging is on for the storage battery set so that each piece of storage battery in the set to be worked in normal operation state can be guaranteed in order to increase the service life of the storage battery set.

Description

Battery component charging method and device thereof

Technical field:

The present invention relates to a kind of battery component charging method and device thereof, belong to battery charging

Technical field.

Background technology:

At present, in the prior art, it generally all is to adopt charger that the batteries that is cascaded is carried out whole simultaneously group charging that batteries is charged, and is no more than total overcharged voltage value, is not less than total overdischarge pressure value to guarantee whole group storage battery total voltage value.Though this method that whole group storage battery group is charged simultaneously has the simple advantage of control, however because inhomogeneities, the inhomogeneities of in use can discharging or the charging inhomogeneities of accumulator internal resistance, charge-discharge performance, volumetric properties etc.Because the existence of the discharge inhomogeneities of storage battery or charging inhomogeneities; in the process that charger charges simultaneously to whole group storage battery; even having to prevent to whole group storage battery group, charger overcharges or the defencive function of overdischarge; yet the minimum total voltage limiting value of overdischarge does not take place or during the highest total voltage limiting value of not overcharging in whole group storage battery group; the situation that has indivedual storage batterys overdischarge to take place or overcharged; repeated multiple times; this storage battery will damage; can influence other storage batterys again after the damage, thereby cause the premature damage of whole batteries.Therefore existing storage battery group charging method is still not ideal enough in use.

Summary of the invention:

The objective of the invention is: provide a kind of when batteries is charged, can prevent that each storage battery in the batteries from can not overcharge or the battery component charging method and the device thereof of over-discharge situation, overcoming the deficiency of existing battery charging method, thereby reach the purpose that prolongs battery life.

The present invention is achieved in that its battery component charging method is: it comprises adopts charger that storage battery is charged, when batteries being charged with charger, earlier successively every storage battery is carried out voltage detecting by putting in order of every storage battery in the batteries respectively, when the voltage of detected storage battery is equal to or greater than the specified standard magnitude of voltage, then next storage battery is detected, when detected battery tension during less than standard voltage value, then this storage battery is connected separately with charger and charges, when this storage battery is charged to the magnitude of voltage of regulation, this storage battery is connected with the charger disconnection, and next storage battery in the batteries detected, so going on can be to each only charge separately less than storage battery of required standard magnitude of voltage in the batteries.

Its battery component charging device is: it comprises charger (1), between charger (1) and the batteries that is recharged, be connected with diverter switch group device (2), n relay K 0～Kn-1 is housed in diverter switch group device (2), 1≤n≤100, each relay all is provided with two normally opened contacts, one end of two normally opened contacts of each relay is the charging end of a storage battery of batteries, and be connected with the both positive and negative polarity of a storage battery in the batteries that is recharged respectively, and one of them of the other end of two normally opened contacts of each relay is connected with the negative pole of charger (1), and another normally opened contact by control relay KJ is connected with the positive pole of charger (1), one end of the solenoid of each relay all is connected on the output of Programmable Logic Controller PLC, its other end all is connected on the common port COM end of Programmable Logic Controller PLC by safeties FU, on the enabling signal input X0 of Programmable Logic Controller PLC, be connected with start-up control switch S B1, on the stop signal input X1 of Programmable Logic Controller PLC, be connected with and stop control switch SB2, on the signal input end X2 of Programmable Logic Controller PLC, be connected with the auxiliary contact switch of control relay KJ, on the common port COM of Programmable Logic Controller PLC, be connected with the negative pole of power supply E, SB1, SB2, the other end of KJ all is connected with the positive pole of power supply E, the negative pole of voltage detector (3) connects the negative pole of charger (1), the positive pole of voltage detector (3) is connected with the positive pole of charger (1) by behind the normally opened contact of control relay KJ, and the solenoid of control relay KJ is connected on the output of voltage detector (3); Voltage detector (3) by resistance R and comparison resistance R1, and voltage stabilizing didoe DW and operational amplifier YF form, the negative pole of importing termination R and DW of YF, the adjustable side of another input termination R1 of YF, the other two ends of R1 are signal input part, wherein an end connects the positive pole of charger (1) by the normally opened contact of KJ, the negative pole of another termination charger (1) also is connected the voltage output end of another termination YF of R with an end of the solenoid of the earth terminal of the positive pole of DW and YF and KJ.

Owing to adopted technique scheme, the present invention adopts regularly, in order, divide and only each storage battery in the batteries detected respectively and the method for uniform charging, like this when batteries is charged, just guaranteed that the storage battery of each in the batteries can not overcharge or over-discharge situation, thereby just guaranteed that also every storage battery in the batteries all is in normal operating state.Therefore the present invention compares with existing storage battery group charging technique, and the present invention has the advantage that can fully prolong battery life; In addition, be that the small-sized charger of single storage battery charges to batteries because the present invention adopts, so the present invention also have cheap advantage.

Description of drawings:

Accompanying drawing 1 is a theory diagram of the present invention;

Accompanying drawing 2 is a circuit theory schematic diagram of the present invention.

C1～Cn is each branch storage battery of batteries in the accompanying drawing.

Embodiment:

Embodiments of the invention: when batteries being charged with charger, earlier successively every storage battery is carried out voltage detecting by putting in order of every storage battery in the batteries respectively, when the voltage of detected storage battery is equal to or greater than the specified standard magnitude of voltage, then next storage battery is detected, when detected battery tension during less than standard voltage value, then this storage battery is connected separately with charger and charges, when this storage battery is charged to the magnitude of voltage of regulation, this storage battery is connected with the charger disconnection, and next storage battery in the batteries detected, so going on can be to each only charges separately less than the storage battery of required standard magnitude of voltage in the batteries, every storage battery finishing once whole batteries detects and is charged as a charging cycle, and the blanking time of each charging cycle can be according to using needs to determine.

When specifically making the battery component charging device, charger (1) and Programmable Logic Controller PLC can directly adopt the finished product of selling on the market, the capacity of its charger (1) can be determined according to the amount of capacity of single storage battery of batteries, Programmable Logic Controller PLC can select inexpensive reliable small PLC, the FP1 series of selecting for use Panasonic to produce in the present embodiment, model is the PLC of C40 type, to be connected with diverter switch group device (2) at the output of charger (1) during making, n relay K 0～Kn-1 is housed in diverter switch group device (2), 1≤n≤100 wherein, 10 relays are installed in the present embodiment to get final product, and make each relay all have two normally opened contacts, with an end of two normally opened contacts of each relay all as the charging end of a storage battery of batteries, and it can be connected with the both positive and negative polarity of a storage battery in the batteries that is recharged, one of them of the other end of two normally opened contacts of each relay is connected with the negative pole of charger (1), and another normally opened contact by control relay KJ is connected with the positive pole of charger (1), one end of the solenoid of each relay all is connected on the output of Programmable Logic Controller PLC, its other end all is connected on the common port COM end of Programmable Logic Controller PLC by safeties FU, on the enabling signal input X0 of Programmable Logic Controller PLC, connect a start-up control switch S B1, on the stop signal input X1 of Programmable Logic Controller PLC, connect one and stop control switch SB2, in the auxiliary contact switch that connects control relay KJ on the signal input end X2 of Programmable Logic Controller PLC, the negative pole of source E Connects Power on the common port COM of Programmable Logic Controller PLC, with SB1, SB2, the other end of KJ all is connected with the positive pole of power supply E, the negative pole of voltage detector (3) is connect the negative pole of charger (1), the positive pole of voltage detector (3) is connected with the positive pole of charger (1) by behind the normally opened contact of control relay KJ, the solenoid of control relay KJ is connected on the output of voltage detector (3); Voltage detector (3) can by resistance R and comparison resistance R1, and voltage stabilizing didoe DW and operational amplifier YF form, during making with the negative pole of one of YF input termination R and DW, adjustable side with another input termination R1 of YF, the other two ends of R1 are as signal input part, be about to an end connects charger (1) by the normally opened contact of KJ positive pole, the negative pole of another termination charger (1) also is connected with an end of the solenoid of the earth terminal of the positive pole of DW and YF and KJ, with the voltage output end of another termination YF of R.

Voltage detector (3) also can adopt the finished product of selling on the market.

Claims

1, a kind of battery component charging method, it comprises adopts charger that storage battery is charged, it is characterized in that: when batteries being charged with charger, earlier successively every storage battery is carried out voltage detecting by putting in order of every storage battery in the batteries respectively, when the voltage of detected storage battery is equal to or greater than the specified standard magnitude of voltage, then next storage battery is detected, when detected battery tension during less than standard voltage value, then this storage battery is connected separately with charger and charges, when this storage battery is charged to the magnitude of voltage of regulation, this storage battery is connected with the charger disconnection, and next storage battery in the batteries detected, so go on, can be to each only charges separately less than the storage battery of required standard magnitude of voltage in the batteries.

2, a kind of battery component charging device, it comprises charger (1), it is characterized in that: between charger (1) and the batteries that is recharged, be connected with diverter switch group device (2), n relay K 0～Kn-1 is housed in diverter switch group device (2), 1≤n≤100, each relay all is provided with two normally opened contacts, one end of two normally opened contacts of each relay is the charging end of a storage battery of batteries, and be connected with the both positive and negative polarity of a storage battery in the batteries that is recharged respectively, and one of them of the other end of two normally opened contacts of each relay is connected with the negative pole of charger (1), and another normally opened contact by control relay KJ is connected with the positive pole of charger (1), one end of the solenoid of each relay all is connected on the output of Programmable Logic Controller PLC, its other end all is connected on the common port COM end of Programmable Logic Controller PLC by safeties FU, on the enabling signal input X0 of Programmable Logic Controller PLC, be connected with start-up control switch S B1, on the stop signal input X1 of Programmable Logic Controller PLC, be connected with and stop control switch SB2, on the signal input end X2 of Programmable Logic Controller PLC, be connected with the auxiliary contact switch of control relay KJ, on the common port COM of Programmable Logic Controller PLC, be connected with the negative pole of power supply E, SB1, SB2, the other end of KJ all is connected with the positive pole of power supply E, the negative pole of voltage detector (3) connects the negative pole of charger (1), the positive pole of voltage detector (3) is connected with the positive pole of charger (1) by behind the normally opened contact of control relay KJ, and the solenoid of control relay KJ is connected on the output of voltage detector (3).

3, battery component charging device according to claim 2, it is characterized in that: voltage detector (3) is by resistance R and comparison resistance R1, and voltage stabilizing didoe DW and operational amplifier YF composition, the negative pole of importing termination R and DW of YF, the adjustable side of another input termination R1 of YF, the other two ends of R1 are signal input part, wherein an end connects the positive pole of charger (1) by the normally opened contact of KJ, the negative pole of another termination charger (1) also is connected the voltage output end of another termination YF of R with an end of the solenoid of the earth terminal of the positive pole of DW and YF and KJ.