CN201100864Y - Lithium battery activation detection table - Google Patents

Lithium battery activation detection table Download PDF

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Publication number
CN201100864Y
CN201100864Y CNU2007200821992U CN200720082199U CN201100864Y CN 201100864 Y CN201100864 Y CN 201100864Y CN U2007200821992 U CNU2007200821992 U CN U2007200821992U CN 200720082199 U CN200720082199 U CN 200720082199U CN 201100864 Y CN201100864 Y CN 201100864Y
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CN
China
Prior art keywords
lithium battery
voltage
chip microcomputer
battery
activates
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2007200821992U
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Chinese (zh)
Inventor
吴理丁
吴一帆
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CHENGDU JIANZHONG LITHIUM BATTERY Co Ltd
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CHENGDU JIANZHONG LITHIUM BATTERY Co Ltd
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Priority to CNU2007200821992U priority Critical patent/CN201100864Y/en
Application granted granted Critical
Publication of CN201100864Y publication Critical patent/CN201100864Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a lithium battery activation detecting meter, which aims at providing a detecting device which can safely and accurately utilize lithium battery (group), belongs to the technical field of electric measurement. The utility model comprises a housing case, an alarm, a display, an electric power supply, a detecting plug seat and a measurement and control device, the constitution of the measurement and control device is that open-circuit voltage of a lithium battery is fed in a singlechip to compare with a preset voltage value after being detected by an instrument, whether the battery voltage is lagged or not is judged from the compared result, and the battery voltage is discharged and activated, whether a battery is eligibly used or not according to the voltage which is activated. The lithium battery activation detecting meter of the utility model has the advantages of low production cost, high detecting efficiency, convenient employment and accurate and reliable detecting results. The lithium battery activation detecting meter can avoid erroneous judgment to a battery, thereby improving the utilization of a battery, and effectively prevents the discharging phenomenon from happening in the process of utilizing. The lithium battery activation detecting meter improves utilization security and reliability, which is suitable for activating and detecting various lithium batteries (groups), the instrument is smart, which is convenient to carry, and can be used in various hostile environments.

Description

Lithium battery activates and detects table
Affiliated technical field
The utility model relates to a kind of lithium battery voltage pick-up unit, relates in particular to a kind of pick-up unit that can correctly use lithium battery or lithium battery group safely, belongs to electronic measuring technology field.
Background technology
At present, lithium battery (group) is widely used in the various electric equipments, because lithium primary cell (group) exists long storage back starting potential to lag behind and strict work cut-off voltage restrictive condition, in battery operated initial time, the voltage delay phenomenon that afterwards rises can appear reducing earlier in cell voltage, and the cell voltage hysteresis can cause the circuit can't operate as normal.Particularly can be mistaken as has been dead battery, and it is abandoned; On the other hand, in case leakage just may take place in battery over-discharge, even the small probability event that may blast, the generation that battery explosion then may cause personal injury accident if take place in the electrolytic solution that spills meeting open circuit potential and consumer.
For avoiding and overcome the above problems, lithium primary cell manufacturer all works hard on battery production, makes great efforts to improve the reliability and the security of lithium primary cell (group).But the characteristic of above-mentioned lithium primary cell voltage delay can't thoroughly be eliminated.
In the past for the voltage delay phenomenon of lithium primary cell (group), battery production producer often adopts small resistor, big electric current, short time discharge, the active mode that detects with multimeter, and then give the user with battery, can further alleviate the voltage delay phenomenon of lithium primary cell (group) like this.And can only be at the enterprising line identifier of external packing for the security of lithium primary cell (group) work cut-off voltage restriction, simultaneously the user is carried out lithium primary cell (group) security prompting, inform how the user correctly uses lithium primary cell (group), avoid battery over-discharge and the problem of security occurs.
China's utility model patent " a kind of lithium primary cell " (patent No. is 200420061944.1) with intelligent measuring and control device, can prevent the generation of lithium battery overdischarge phenomenon in use, but need be to every lithium battery or each lithium battery group additional circuit devices, make the production technology of lithium battery (group) become complicated, also take the volume of entire cell, particularly all the more so for compact battery; And the increase of the manufacturing cost of lithium battery (group) is a lot, and technology is also complicated more; Reclaim for being difficult to handle with the discarded lithium battery of crossing; And in the electrical appliance use as battery takes place can not normal power supply the time, be difficult in time finding, cause electrical appliance to break down in using.
The utility model content
In order to overcome the problem that existing lithium battery voltage lags behind, the utility model provides a kind of lithium battery to activate the detection table, is used for lithium battery (group) is activated and detects simultaneously, judges with this whether it is qualified; Make lithium primary cell (group) in user's hand, can correctly use.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of lithium battery activates and detects table, comprise casing, alarm Z, display, power supply E, test socket and measure and control device, constituting of measure and control device: the voltage of tested lithium battery is delivered among the single-chip microcomputer IC2 and is compared with the magnitude of voltage that presets after voltage-level detector U2, U3 detect:
A. when the open-circuit voltage of lithium battery was lower than the voltage that presets, single-chip microcomputer IC2 sent the impulse level signal to switching tube M2, and control alarm Z sends defective alerting signal, and lithium battery is judged to unacceptable product;
When the open-circuit voltage of lithium battery B. is higher than the voltage that presets, single-chip microcomputer IC2 sends high level signal to switching tube M2, lithium battery begin by the electric current that presets and time by the resistance R t activation of being discharged, the load voltage that activates the back lithium battery is delivered among the single-chip microcomputer IC2 again and is compared with the magnitude of voltage that presets:
A. when the load voltage of lithium battery was lower than the voltage that presets, single-chip microcomputer IC2 sent the impulse level signal to switching tube M2, and control alarm Z sends underproof alerting signal, and lithium battery is judged to unacceptable product;
B. when the load voltage of lithium battery was higher than the voltage that presets, single-chip microcomputer IC2 sent high level signal to switching tube M2, and control alarm Z sends qualified alerting signal, and lithium battery is by detecting and be judged to certified products.
The beneficial effects of the utility model are, cost is low, detection efficiency is high, and testing result accurately and reliably.Can activate detection to the lithium battery (group) of various models, solved the problem of its voltage delay, avoided the erroneous judgement of user, thereby improved the utilization rate of battery battery, prevent the generation of overdischarge phenomenon in its use effectively, improved security and the reliability used.Easy to use, be applicable to that the activation of the lithium battery (group) of various models and capacity detects; Instrument is small and exquisite, is convenient for carrying, and can use under various rugged surroundings, can operate as normal under-40 ℃ to+60 ℃ environment temperatures.
Description of drawings
Fig. 1 is the utility model circuit theory diagrams;
Fig. 2 is the utility model testing process figure.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Earlier tested lithium battery is inserted the measuring junction of instrument,, presses measuring switch K2, detect its open-circuit voltage by SMD voltage-level detector U2 as Fig. 1:
A. when the voltage that records is lower than the voltage that presets, the signal end of voltage-level detector U2 sends the impulse level signal to the GP3 of single-chip microcomputer IC2 end, the GP2 end of single-chip microcomputer IC2 sends pulse signal to the control end of MOS switching tube M2, makes its conducting, makes hummer Z send defective alarm sound; Lithium battery (group) is judged as unacceptable product;
B. when the open-circuit voltage of the lithium battery that records is higher than the voltage that presets, the GP5 end of single-chip microcomputer IC2 sends high level signal to MOS switching tube M2, lithium battery begin by the electric current that presets and time by the resistance R t activation of being discharged, the load voltage that activates the back lithium battery is delivered among the single-chip microcomputer IC2 again and is compared with the magnitude of voltage that presets:
A. when the load voltage of lithium battery was lower than the voltage that presets, the GP2 of single-chip microcomputer IC2 end sent pulse signal to the control end of MOS switching tube M2, makes its conducting, and hummer Z sends defective alarm sound, and lithium battery (group) is judged as unacceptable product;
B. when the load voltage of lithium battery was higher than the voltage that presets, the GP2 of single-chip microcomputer IC2 end sent high level signal to the control end of MOS switching tube M2, makes its conducting, and hummer Z sends qualified alarm sound, and lithium battery (group) is determined certified products, by detecting.
Single-chip microcomputer IC2 is the PIC18F1220 chip, is connected with measuring switch K2 between its GP0 end and the GP1 end, and GP2, GP5 end connects the control end of MOS switching tube M2, M3 respectively; GP3, GP4 end connects the signal end of voltage-level detector U2, U3 respectively.
According to battery (group) the starting potential difference of retardation time, instrument can be revised the magnitude of voltage that the working routine of single-chip microcomputer IC2 presets with change easily, activates and detects so that different lithium battery (group) discharged.According to the working current difference of battery (group), instrument can be adjusted the size of discharge resistance Rt and the model of MOS switching tube M2 easily, to the activation of discharging of the lithium battery (group) of different discharge currents, eliminates the starting potential hysteresis phenomenon of lithium battery (group).
It is whether qualified that hummer Z rings the tested lithium battery of expression (group) by very brief and long resonant.
Power supply E is two joint 3V lithium primary cells, is in series with power switch K1, and is in parallel with voltage-level detector U1 again, and the signal end of voltage-level detector U1 connects with the GP0 end of single-chip microcomputer IC1; Single-chip microcomputer IC1 is the PIC16C62B chip, and its GP1 end links with the control end of MOS switching tube M1.Power supply E realizes management automatically by single-chip microcomputer IC1 control.
Display comprises LCD, activates pilot lamp, low-voltage pilot lamp; LCD sends measured value by the signal end of SMD voltage-level detector U2, U3 to single-chip microcomputer IC2, shows tested magnitude of voltage and current value; Activate pilot lamp and be used to represent whether lithium battery (group) is in state of activation; The low-voltage pilot lamp is used to show the state of power supply.
According to the voltage height and the size of current of battery (group), can carry out the replacing of different model to voltage-level detector U2, U3, to satisfy the activation and the detection of different lithium battery (group).
Test socket is adjustable, is used to detect the lithium battery (group) of different model and size, can make things convenient for the plug of promptly carrying out battery (group).
As Fig. 2, open power switch device, carry out initialization earlier, enter holding state then; On the contrary, disconnect this switch, the instrument outage is with save power.
After instrument enters holding state, tested lithium battery (group) is inserted test socket, at first detect the open-circuit voltage of tested lithium battery (group) and compare while display voltage value on LCD with the preset voltage value.
If open-circuit voltage is lower than the preset voltage value, send lithium batteries to be measured to be replaced (group) such as long sound warning; If open-circuit voltage is higher than the preset voltage value and then enters into next program, instrument automatically by predetermined resistance, electric current and time to tested lithium battery (group) activation of discharging, activation pilot lamp on the instrument panel is bright, in the whole activationary time of tested lithium battery (group), LCD ceaselessly conversion shows the magnitude of voltage and the current value of tested lithium battery (group).
When activation finished, fixing on the LCD showed the load voltage of lithium battery (group), simultaneously magnitude of voltage was sent in the single-chip microcomputer to compare with the voltage that presets.If load voltage is lower than the preset voltage value, send the long alarm sound that rings, battery (group) is judged to defective, waits next tested lithium battery (group) to be replaced; Send very brief alarm sound if open-circuit voltage is higher than the preset voltage value by MOS switching tube M2 control hummer, represent that with this battery (group) that detects is qualified, wait for the detection of next lithium battery to be measured (group) simultaneously.
Instrument can detect the open-circuit voltage of battery (group) and closed circuit voltage and electric current, and whether qualified to its load voltage, whether capacity exhausts the work cut-off voltage of entering detects, demonstration by its open-circuit voltage that provides and load voltage, load current can determine whether lithium primary cell (group) activates, carry out whether qualified judgement, eliminate the starting potential hysteresis phenomenon of lithium battery (group).
Instrument is a handheld portable, and physical dimension is about 150 * 70 * 20mm, and weight is about 130 grams; Lithium battery open-circuit voltage V OCSensing range is: 3.0V≤V OC≤ 10.0V; Instrument is self-powered, can use in the open air for a long time.

Claims (10)

1, a kind of lithium battery activates and detects table, comprise casing, alarm (Z), display, power supply (E), test socket and measure and control device, it is characterized in that, constituting of described measure and control device: the open-circuit voltage of lithium battery is delivered in the single-chip microcomputer (IC2) and is compared with the magnitude of voltage that presets after voltage-level detector (U2), (U3) detect:
A. when the open-circuit voltage of lithium battery was lower than the voltage that presets, single-chip microcomputer (IC2) sent the impulse level signal to switching tube (M2), and control alarm (Z) sends defective alerting signal, and lithium battery is judged to unacceptable product;
B. when the open-circuit voltage of lithium battery is higher than the voltage that presets, single-chip microcomputer (IC2) sends high level signal to switching tube (M2), lithium battery begin by the electric current that presets and time by resistance (Rt) activations of discharge, the load voltage of lithium battery is delivered in the single-chip microcomputer (IC2) and the magnitude of voltage that presets compares again after activating:
A. when the load voltage of lithium battery was lower than the voltage that presets, single-chip microcomputer (IC2) sent the impulse level signal to switching tube (M2), and control alarm (Z) sends underproof alerting signal, and lithium battery is judged to unacceptable product;
B. when the load voltage of lithium battery was higher than the voltage that presets, single-chip microcomputer (IC2) sent high level signal to switching tube (M2), and control alarm (Z) sends qualified alerting signal, and lithium battery is certified products by detecting.
2, lithium battery according to claim 1 activates and detects table, it is characterized in that described single-chip microcomputer (IC2) is the PIC18F1220 chip, is connected with measuring switch (K2) between its GP0 end and the GP1 end, and its GP5 end links with the control end of switching tube (M3).
3, lithium battery according to claim 1 activates and detects table, it is characterized in that described alarm (Z) is hummer or loudspeaker.
4, lithium battery according to claim 1 activates and detects table, it is characterized in that, described power supply (E) is in series with power switch (K1), and is in parallel with voltage-level detector (U1) again, and the signal end of voltage-level detector (U1) connects with the GP0 end of single-chip microcomputer (IC1); The GP1 end of single-chip microcomputer (IC1) links with the control end of switching tube (M1).
5, lithium battery according to claim 4 activates and detects table, it is characterized in that described voltage-level detector (U1), (U2), (U3) are SMD voltage-level detector.
6, lithium battery according to claim 4 activates and detects table, it is characterized in that described single-chip microcomputer (IC1) is the PIC16C62B chip, and its GP1 end connects with the control utmost point of switching tube (M1).
7, lithium battery according to claim 1 activates and detects table, it is characterized in that, described display comprises LCD, activates pilot lamp and low-voltage pilot lamp.
8, lithium battery according to claim 1 activates and detects table, it is characterized in that, described power supply (E) is two joint 3V lithium primary cells.
9, activate and detect table according to claim 1,2,4 or 6 described lithium batteries, it is characterized in that described switching tube (M1), (M2), (M3) are the MOS switching tube.
10, lithium battery according to claim 1 activates and detects table, it is characterized in that described described lithium battery also can be the lithium battery group.
CNU2007200821992U 2007-11-30 2007-11-30 Lithium battery activation detection table Expired - Fee Related CN201100864Y (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102338860A (en) * 2011-03-16 2012-02-01 肇庆理士电源技术有限公司 Device for detecting miniature small and dense lead-acid accumulator
CN102435951A (en) * 2011-09-28 2012-05-02 四川卫士通信息安全平台技术有限公司 Micro-power-consumption battery testing system and method
CN103700902A (en) * 2014-01-14 2014-04-02 深圳市思达仪表有限公司 Method and device for judging and activating voltage lag of lithium thionyl chloride battery
CN104333116A (en) * 2014-11-27 2015-02-04 北京电子工程总体研究所 Electricity discharging and converting system before emission of lithium battery for aircraft and electricity discharging and converting control method adopting same
CN104333115A (en) * 2014-11-27 2015-02-04 北京电子工程总体研究所 Simulated power transfer control device and power transfer control method realized by adopting same
CN106532148A (en) * 2016-11-16 2017-03-22 浙江长兴中俄新能源材料技术研究院有限公司 Lithium ion battery defect detecting determining repairing device and method
WO2018058315A1 (en) * 2016-09-27 2018-04-05 深圳市思达仪表有限公司 Method and apparatus for voltage hysteresis determination and activation of lithium-thionyl chloride battery

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102338860A (en) * 2011-03-16 2012-02-01 肇庆理士电源技术有限公司 Device for detecting miniature small and dense lead-acid accumulator
CN102435951A (en) * 2011-09-28 2012-05-02 四川卫士通信息安全平台技术有限公司 Micro-power-consumption battery testing system and method
CN103700902A (en) * 2014-01-14 2014-04-02 深圳市思达仪表有限公司 Method and device for judging and activating voltage lag of lithium thionyl chloride battery
CN103700902B (en) * 2014-01-14 2015-10-28 深圳市思达仪表有限公司 A kind of voltage delay of lithium thionyl chloride cell judges and Activiation method and device
CN104333116A (en) * 2014-11-27 2015-02-04 北京电子工程总体研究所 Electricity discharging and converting system before emission of lithium battery for aircraft and electricity discharging and converting control method adopting same
CN104333115A (en) * 2014-11-27 2015-02-04 北京电子工程总体研究所 Simulated power transfer control device and power transfer control method realized by adopting same
WO2018058315A1 (en) * 2016-09-27 2018-04-05 深圳市思达仪表有限公司 Method and apparatus for voltage hysteresis determination and activation of lithium-thionyl chloride battery
CN106532148A (en) * 2016-11-16 2017-03-22 浙江长兴中俄新能源材料技术研究院有限公司 Lithium ion battery defect detecting determining repairing device and method
CN106532148B (en) * 2016-11-16 2019-06-25 浙江长兴中俄新能源材料技术研究院有限公司 A kind of lithium ion battery defects detection judges prosthetic device and method

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080813

Termination date: 20111130

C17 Cessation of patent right