CN102411125A - Automatic detection device and detection method of storage battery - Google Patents
Automatic detection device and detection method of storage battery Download PDFInfo
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- CN102411125A CN102411125A CN2010102881373A CN201010288137A CN102411125A CN 102411125 A CN102411125 A CN 102411125A CN 2010102881373 A CN2010102881373 A CN 2010102881373A CN 201010288137 A CN201010288137 A CN 201010288137A CN 102411125 A CN102411125 A CN 102411125A
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Abstract
The invention discloses an automatic detection device of a storage battery, which comprises a control module and a maintenance module, a discharge module, an auxiliary control module and a charger module which are connected with the control module. The initial voltage, the main cable connection state and discharge parameters of the storage batteries are detected and calculated to determine the state of the storage battery, and the storage battery is charged with constant current. The invention also discloses an automatic detection method of the storage battery. Through the detection device and the detection method, the state of the storage battery can be automatically and quickly detected and maintained, and the convenience is brought to enterprises using the storage batteries.
Description
Technical field
The present invention relates to the accumulator detection technique, more particularly, relate to a kind of accumulator automatic detection device and detection method.
Background technology
At present, using the most general a kind of accumulator is analysing valve control type lead-acid accumulator battery.This accumulator is a kind of hermetically-sealed construction, and battery lid is provided with one-way exhaust valve, and effect is when inside battery air pressure is elevated to certain value, opens automatically to discharge gas, and valve-closing gets into inside battery to prevent air then.The basic characteristics of this accumulator are need not add acid during use to add the water maintenance, can not leak acid, also can the acid discharge mist.
And accumulator in use; Be connected in parallel on floating charging on the rectifying installation for a long time; Along with the prolongation of working time, abnormal conditions such as battery can occur that activator comes off, electrolytic solution is dry, pole plate distortion, pole plate corrosion and sulfuration, thus cause its capacity to reduce even lost efficacy.So, battery is carried out periodic maintenance, be vital for keeping its performance and serviceable life.
At present, it is more single and backward that existing storage battery detects maintenance service, just is to use internal resistance detector, voltage table to measure internal resistance and two contents of monomer voltage of accumulator basically.The enterprise of the overwhelming majority is carrying out accumulator capacity when checking, and all also rests on variable resistor discharge, manual setting discharge current to carry out manual time-keeping, again through this traditional method of manual calculation.Even some unit has bought the capacity detector of several different sizes, but because intelligent, automaticity is not high, is difficult to satisfy the monitoring and maintenance requirement of accumulator normalization yet.
In addition; Up at present for extremely; Also can't realize carrying out while on-line measurement and maintenance to the battery pack of different size or to several cell batteries; And the quality of definition battery pack and cell batteries equally also can't realize to the electric battery of different size accumulator formation or to the on-line measurement and the maintenance of several cell batteries, obtain the correlation technique data that accumulator comprises capacity.Therefore, for the enterprise of a large amount of use accumulators, urgent hope can realize as early as possible digital full-automatic completion accumulator detection, safeguard and check etc. a series of maintenance works.
Summary of the invention
To the above-mentioned shortcoming that exists in the prior art, the purpose of this invention is to provide a kind of accumulator automatic detection device and detection method, in order to realize accomplishing fast detecting and maintenance automatically to battery condition.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
On the one hand, this accumulator automatic detection device comprises control module, maintenance module, assist control module, discharge module and charger module, and control module is connected with maintenance module through the COM1 interface, and the control maintenance module detects the initial voltage of accumulator; Control module is connected with the assist control module through the COM2 interface, and detects the leader cable connection state through the assist control module; Control module is connected with discharge module through the COM3 interface, and the control discharge module detects the discharge parameter of accumulator in time rating; Control module according to above-mentioned initial voltage and discharge parameter to judge the situation of accumulator; The assist control module also links to each other with charger module, and the control charger module is carried out constant-current charge to accumulator.
Also before detecting initial voltage, the data recording of inquiring about this accumulator if there is not the data recording of this accumulator, is then set up database for this accumulator to described control module.
Described data comprise electric battery sequence number, electric battery specification, battery capacity.
Described discharge parameter comprises the real-time battery voltage of interdischarge interval, real-time discharge current and discharge time.
Described control module calculates the mean value V of cell batteries according to the initial voltage of accumulator
All, and store for judgement, computing formula is following: V
All=∑ V/n, in the formula, ∑ V is the initial voltage of accumulator, n is the cell number of accumulator.
Described control module is according to the discharge current of the accumulator of discharge module detection and the capacity that calculates this accumulator discharge time, and computing formula is following: R=I*T*K, in the formula; I is a discharge current, and the A of unit, T are discharge time; Unit hour, K are correction factor, value 0.82～1.
Described control module is PC; Described assist control module is PLC.
On the other hand, the concrete steps of this accumulator automatic testing method are: adopt control module to be connected with maintenance module, and maintenance module is controlled, in order to the initial voltage of inspection accumulator; Control module is connected with the assist control module, and instruction assist control module detects the leader cable connection state; Control module is connected with discharge module, and the control discharge module detects the discharge parameter of accumulator in time rating; According to above-mentioned initial voltage and discharge parameter, judge the situation of accumulator through control module; Link to each other with charger module through the assist control module, and the control charger module is carried out constant-current charge to accumulator.
Before detecting initial voltage, also,, then set up database for this accumulator if there is not the data recording of this accumulator through the data recording of described this accumulator of control module inquiry.
Described data comprise electric battery sequence number, electric battery specification, battery capacity.
Described discharge parameter comprises the real-time battery voltage of interdischarge interval, real-time discharge current and discharge time.
Through the initial voltage of described control module, calculate the mean value V of cell batteries according to accumulator
All, and store for judgement, computing formula is following: V
All=∑ V/n, in the formula, ∑ V is the initial voltage of accumulator, n is the cell number of accumulator.
According to the discharge current of the accumulator of discharge module detection and the capacity that calculates this accumulator discharge time, computing formula is following through described control module: R=I*T*K, in the formula; I is a discharge current, and the A of unit, T are discharge time; Unit hour, K are correction factor, value 0.82～1.
Described control module is PC; Described assist control module is PLC.
In technique scheme, accumulator automatic detection device of the present invention and detection method are through the initial voltage of control module control maintenance module with the inspection accumulator; And instruction assist control module detects the leader cable connection state; The control discharge module detects the discharge parameter of accumulator in time rating; Situation according to above-mentioned initial voltage and discharge parameter judgement accumulator; Also accumulator is carried out constant-current charge through assist control module controls charger module.Adopt this pick-up unit and detection method can realize accomplishing automatically fast detecting and maintenance, bring convenience for accumulator uses enterprise to battery condition.
Description of drawings
Fig. 1 is the structured flowchart of accumulator automatic detection device of the present invention;
Fig. 2 is the process flow diagram of the fast detecting of one embodiment of the invention;
Fig. 3 is the process flow diagram of the capacity check of another embodiment of the present invention.
Embodiment
Further specify technical scheme of the present invention below in conjunction with accompanying drawing and embodiment.
See also shown in Figure 1; Accumulator automatic detection device of the present invention comprises control module, maintenance module, assist control module, discharge module and charger module; Control module is connected with maintenance module through the COM1 interface, and the control maintenance module detects the initial voltage of accumulator; Control module is connected with the assist control module through the COM2 interface, and detects the leader cable connection state through the assist control module; Control module is connected with discharge module through the COM3 interface, and the control discharge module detects the discharge parameter of accumulator in time rating; Control module according to above-mentioned initial voltage and discharge parameter to judge the situation of accumulator; The assist control module also links to each other with charger module, according to the charging current of real-time measurement, constantly revises charging current, thereby the control charger module is carried out constant-current charge to accumulator, is implemented in constant-current charge real under the constant pressure point voltage.
And also before detecting initial voltage, the data recording of inquiring about this accumulator if there is not the data recording of this accumulator, is then set up database for this accumulator to control module.Above-mentioned data comprise electric battery sequence number, electric battery specification, battery capacity.
Above-mentioned discharge parameter then comprises the real-time battery voltage of interdischarge interval, real-time discharge current and discharge time.
And control module calculates the mean value V of cell batteries also according to the initial voltage of accumulator
All, and store for judgement, computing formula is following: V
All=∑ V/n, in the formula, ∑ V is the initial voltage of accumulator, n is the cell number of accumulator.
In addition, the discharge current of the accumulator that control module also detects according to discharge module and the capacity that calculates this accumulator discharge time, computing formula is following: R=I*T*K, in the formula; I is a discharge current, and the A of unit, T are discharge time; Unit hour, K are correction factor, value 0.82～1.
Above-mentioned control module can adopt PC, and above-mentioned assist control module can adopt PLC, and all adopts RS232 to carry out communication between control module and maintenance module, assist control module, discharge module and the charger module.
Equally, the concrete steps of accumulator automatic testing method of the present invention are: adopt control module to be connected with maintenance module through COM 1 interface, and maintenance module is controlled, in order to the initial voltage of inspection accumulator; Control module is connected with the assist control module through the COM2 interface, and instruction assist control module detects the leader cable connection state; Control module is connected with discharge module through the COM3 interface, and the control discharge module detects the discharge parameter of accumulator in time rating; According to above-mentioned initial voltage and discharge parameter, judge the situation of accumulator through control module; Link to each other with charger module through the assist control module, and the control charger module is carried out constant-current charge to accumulator.
And, before detecting initial voltage, also,, then set up database for this accumulator if there is not the data recording of this accumulator through the data recording of this accumulator of control module inquiry.Above-mentioned data comprise electric battery sequence number, electric battery specification, battery capacity.
Above-mentioned discharge parameter comprises the real-time battery voltage of interdischarge interval, real-time discharge current and discharge time.
Through the initial voltage of above-mentioned control module, calculate the mean value V of cell batteries according to accumulator
All, and store for judgement, computing formula is following: V
All=∑ V/n, in the formula, ∑ V is the initial voltage of accumulator, n is the cell number of accumulator.
According to the discharge current of the accumulator of discharge module detection and the capacity that calculates this accumulator discharge time, computing formula is following through above-mentioned control module: R=I*T*K, in the formula; I is a discharge current, and the A of unit, T are discharge time; Unit hour, K are correction factor, value 0.82～1.
Above-mentioned control module can adopt PC; And above-mentioned assist control module can adopt PLC.
Specifically illustrate in the face of the present invention down:
Embodiment 1,
See also shown in Figure 2ly, this embodiment is for battery pack being carried out fast detecting, its objective is in order to realize understanding at short notice the situation of cell quality good or not in the battery pack.
At first, through electric battery sequence number, electric battery specification, the battery capacity of PC inquiry accumulator, the accumulator that once detected; PC has record, if do not detect, then rebulids detection record; Input electric battery sequence number, the electric battery specification is 6 volt of 4 joint, battery capacity is 100AH.
Then, PC passes work order through COM2 down to PLC, and whether PLC detects leader cable through the DI port and connect.If not connecting PLC uploads information through COM2 to PC, PC just sends and does not connect alarm.If leader cable connects; The CPU of PLC connects into 5 piece line structures through external circuit with the accumulator wiring through the output of DO mouth, receives leader cable through switch the input end of discharge module then; The feedback signal of switch is input to the DI port of the CPU of PLC at this moment; As do not have feedback signal, and then the CPU of PLC is to the no feedback signal of PC report, and PC sends the fault prompting.Arrive if any feedback signal, then the CPU of PLC uploads operate outside to PC and accomplishes information.
Obtain the detection completion information of PLC as PC after, through COM 1 port biography cycle under maintenance module be 0.5 minute cell batteries voltage sample information, the task that maintenance module is carried out sampling in 0.5 minute and uploaded.PC obtains cell batteries mean value to the magnitude of voltage of 4 cell batteries samplings for the first time according to following formula, and is retained in when internal memory supplies diagnosis and uses.
V
All=∑ V/n, n=4,
If 2 overhead accumulators are n=6 then, 12 overhead accumulators are n=2 then.
PC passes the discharge examination instruction through COM3 down to discharge module, and the present embodiment accumulator is 100AH, and discharge current is 20A, 10 minutes discharge times, continuous acquisition battery voltage.Discharge module obtains instruction and at first opens discharge module, starts timer, and constantly gathers the magnitude of voltage of electric battery, uploads magnitude of voltage to PC, and PC obtains the magnitude of voltage of dynamic electric battery and the magnitude of voltage of cell batteries thus.If discharge module is not opened, discharge module sends alerting signal through COM3 to PC, and alarm appears in PC at once.After the discharge module timer arrived 10 minutes, discharge module was uploaded PC with the magnitude of voltage that detects, and closes discharge module simultaneously.
Preserve the magnitude of voltage of last cell batteries at PC after; Pass COM1, COM2, COM3, each respective modules repositioning information respectively down; Compare the mean value of the magnitude of voltage of last cell batteries then with sampling for the first time; Comparison range is 90% to 97%, if the magnitude of voltage>=V of cell batteries
All97%, the judgement of " quality is fine " is made by system.Magnitude of voltage>=V when cell batteries
All93%, the judgement of " can use " is made by system.And≤V
All90% all is judged as the cell batteries of " must change ".
Embodiment 2:
See also shown in Figure 3, this embodiment be to 12 volt 2 the joint electric battery carry out capacity check.
At first, through electric battery sequence number, electric battery specification, the battery capacity of PC inquiry accumulator, the accumulator that once detected, PC has record, if do not detect, then rebulids detection record.What present embodiment detected is the accumulator that record is arranged, and PC shows that the electric battery specification is 12 volt of 2 joint, and battery capacity is 200AH.
Then, PC passes work order through COM2 down to PLC, and whether the CPU of PLC detects leader cable through the DI port and connect.If do not connect, CPU uploads information through COM2 to PC, and PC just sends and do not connect alarm.If connect; Then through external circuit the accumulator wiring is connected into 3 line structures, receive the input end of discharge module to leader cable through switch then, the CPU of PLC is through the output of DO mouth; The feedback signal of switch is input to the DI port of CPU at this moment; As do not have feedback signal, and then the CPU of PLC is to the no feedback signal of PC report, and PC sends the fault prompting.If feedback signal arrives, then the CPU of PLC uploads operate outside to PC and accomplishes information.
PC passes the discharge examination instruction through COM3 down to discharge module, and the present embodiment accumulator is 200AH, and discharge current is 20 amperes, and final voltage is 26.8 volts, and the continuous acquisition battery voltage.Discharge module obtains instruction and opens discharge module at once, starts timer.Discharge module is constantly uploaded PC with the battery voltage value and the timing parameter of gathering, and PC also obtains the magnitude of voltage of dynamic electric battery thus.After discharge module detection battery voltage dropped to the final voltage value, discharge module was uploaded PC to magnitude of voltage and timing parameter at once, closes discharge module simultaneously automatically.
After PC preserved parameter, biography COM1, COM3, each respective modules resetted down respectively.PC draws the authorized capacity of battery pack according to discharge current and Time Calculation and shows then.These parameters can deposit database automatically in and can be used for printing.The computing formula of capacity is following: R=I*T*K, and wherein: I is a discharge current, and the A of unit, T are discharge time, and unit hour, K are correction factor, value 0.82～1.If discharge module is not opened, discharge module sends alerting signal through COM3 to PC, and alarm appears in PC at once.
The following advantage that adopts accumulator automatic detection device of the present invention and detection method to have:
1, can be fast the lead-acid batteries of in the market all size be carried out the detection of on-line performance parameter and operational factor, accurate qualitative and quantitative data is provided;
2, can carry out online additional electricity to falling behind single battery, at the voltage of line balance battery pack individual battery; Can onlinely patrol and survey and keep watch on battery pack individual battery voltage, temperature and report to the police;
But 3 off-lines carry out the accumulator activation to be safeguarded, makes accumulator property be in optimum condition.
Therefore,, in time take effective maintenance measure, guarantee the safe handling of accumulator, guarantee that safety and production has vital role for the time of day of prevision lead-acid accumulator.
Those of ordinary skill in the art will be appreciated that; Above embodiment is used for explaining the present invention; And be not to be used as qualification of the present invention; As long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.
Claims (14)
1. accumulator automatic detection device is characterized in that:
Comprise control module, maintenance module, assist control module, discharge module and charger module,
Control module is connected with maintenance module through the COM1 interface, and the control maintenance module detects the initial voltage of accumulator;
Control module is connected with the assist control module through the COM2 interface, and detects the leader cable connection state through the assist control module;
Control module is connected with discharge module through the COM3 interface, and the control discharge module detects the discharge parameter of accumulator in time rating;
Control module according to above-mentioned initial voltage and discharge parameter to judge the situation of accumulator;
The assist control module also links to each other with charger module, and the control charger module is carried out constant-current charge to accumulator.
2. accumulator automatic detection device as claimed in claim 1 is characterized in that:
Also before detecting initial voltage, the data recording of inquiring about this accumulator if there is not the data recording of this accumulator, is then set up database for this accumulator to described control module.
3. accumulator automatic detection device as claimed in claim 2 is characterized in that:
Described data comprise electric battery sequence number, electric battery specification, battery capacity.
4. accumulator automatic detection device as claimed in claim 1 is characterized in that:
Described discharge parameter comprises the real-time battery voltage of interdischarge interval, real-time discharge current and discharge time.
5. accumulator automatic detection device as claimed in claim 1 is characterized in that:
Described control module calculates the mean value V of cell batteries according to the initial voltage of accumulator
All, and store for judgement, computing formula is following: V
All=∑ V/n, in the formula, ∑ V is the initial voltage of accumulator, n is the cell number of accumulator.
6. accumulator automatic detection device as claimed in claim 4 is characterized in that:
Described control module is according to the discharge current of the accumulator of discharge module detection and the capacity that calculates this accumulator discharge time, and computing formula is following: R=I*T*K, in the formula; I is a discharge current, and the A of unit, T are discharge time; Unit hour, K are correction factor, value 0.82～1.
7. accumulator automatic detection device as claimed in claim 1 is characterized in that:
Described control module is PC; Described assist control module is PLC.
8. accumulator automatic testing method is characterized in that:
Adopt control module to be connected, and maintenance module is controlled, in order to the initial voltage of inspection accumulator with maintenance module;
Control module is connected with the assist control module, and instruction assist control module detects the leader cable connection state;
Control module is connected with discharge module, and the control discharge module detects the discharge parameter of accumulator in time rating;
According to above-mentioned initial voltage and discharge parameter, judge the situation of accumulator through control module;
Link to each other with charger module through the assist control module, and the control charger module is carried out constant-current charge to accumulator.
9. accumulator automatic testing method as claimed in claim 8 is characterized in that:
Before detecting initial voltage, also,, then set up database for this accumulator if there is not the data recording of this accumulator through the data recording of described this accumulator of control module inquiry.
10. accumulator automatic testing method as claimed in claim 9 is characterized in that:
Described data comprise electric battery sequence number, electric battery specification, battery capacity.
11. accumulator automatic testing method as claimed in claim 8 is characterized in that:
Described discharge parameter comprises the real-time battery voltage of interdischarge interval, real-time discharge current and discharge time.
12. accumulator automatic testing method as claimed in claim 8 is characterized in that:
Through the initial voltage of described control module, calculate the mean value V of cell batteries according to accumulator
All, and store for judgement, computing formula is following: V
All=∑ V/n, in the formula, ∑ V is the initial voltage of accumulator, n is the cell number of accumulator.
13. accumulator automatic testing method as claimed in claim 11 is characterized in that:
According to the discharge current of the accumulator of discharge module detection and the capacity that calculates this accumulator discharge time, computing formula is following through described control module: R=I*T*K, in the formula; I is a discharge current, and the A of unit, T are discharge time; Unit hour, K are correction factor, value 0.82～1.
14. accumulator automatic testing method as claimed in claim 8 is characterized in that:
Described control module is PC; Described assist control module is PLC.
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| CN103033759A (en) * | 2012-12-11 | 2013-04-10 | 上海市电力公司 | Storage battery thermal runway intelligent judgment method |
| CN104104119A (en) * | 2013-04-07 | 2014-10-15 | 力博特公司 | Intelligent battery |
| CN104267350A (en) * | 2014-09-05 | 2015-01-07 | 江苏银佳企业集团有限公司 | Automatic storage battery charging-discharging and capacity detection device |
| CN106093792A (en) * | 2016-07-28 | 2016-11-09 | 芜湖凯尔电气科技有限公司 | Green battery charge and discharge electric detection means |
| CN106338665A (en) * | 2016-08-29 | 2017-01-18 | 天能电池(芜湖)有限公司 | Charging parameter tester for storage battery charger |
| CN106908738A (en) * | 2017-04-13 | 2017-06-30 | 广东浪潮大数据研究有限公司 | A kind of automatic testing method of SmartRack reserce cells |
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Application publication date: 20120411 |