CN109061489A - The device and cell degradation characteristic test method of quick aging are carried out to batch battery - Google Patents
The device and cell degradation characteristic test method of quick aging are carried out to batch battery Download PDFInfo
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- CN109061489A CN109061489A CN201810831416.6A CN201810831416A CN109061489A CN 109061489 A CN109061489 A CN 109061489A CN 201810831416 A CN201810831416 A CN 201810831416A CN 109061489 A CN109061489 A CN 109061489A
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Abstract
The present invention relates to a kind of devices and cell degradation characteristic test method that quick aging is carried out to batch battery, which includes by the independently-powered CPU of independent adapter and the LCD display circuit connecting with the CPU, key circuit, DEBUG serial ports/USB debug circuit, LED indicating circuit and 12 road charge-discharge circuits being made of MP2615 chip；The 12 road charge-discharge circuits, one 9V adapter power supply of every four routing, the output end of 12 road charge-discharge circuit of Qie Gai are respectively connected with cement resistor load discharge.The present invention is able to achieve one piece of mainboard and can drive 12 pieces of batteries while carry out aging, and 12 belong to independent operating, have no effect on any operation between each other, greatly improve production efficiency.
Description
This case is so that application No. is 201510057772.3, the applying date is on 2 4th, 2015, and entitled " a kind of battery is old
Change tester and test method " patent application be female case divisional application.
Technical field
The present invention relates to battery detecting technical field, especially a kind of device and electricity that quick aging is carried out to batch battery
Pond aging characteristics test method can be used for the tooling of quick aging battery and the bad battery of screening.
Background technique
With being widely used for the products such as digital product such as mobile phone, laptop, lithium ion battery is with excellent performance
It is used widely in this kind of product, and is gradually developing to other product applications, lithium ion battery has become
Mainstream.The battery for the numerous species being full of in the market, because battery manufacturer qualification is different, the battery quality of production be also the good and the bad not
Together.So there is an urgent need to whether a kind of equipment detection battery is qualified.Cell degradation equipment currently on the market is to be directed to
Large-sized battery factory uses, and every cell degradation equipment volume is huge and expensive, high to the demand of specialty of operator, behaviour
The needs of upper hand time for making personnel are long, directly affect production efficiency.Therefore cell degradation tester and survey of the invention
Method for testing can improve these disadvantages.
Summary of the invention
The object of the present invention is to provide a kind of device and cell degradation characteristic tests that quick aging is carried out to batch battery
Method, 12 pieces of batteries can be driven while carry out aging by being able to achieve one piece of mainboard, and 12 belong to independent operating, mutually it
Between have no effect on any operation, greatly improve production efficiency.
The present invention is realized using following scheme: a kind of device carrying out quick aging to batch battery, it is characterised in that: packet
Include CPU, LCD display circuit, key circuit, DEBUG serial ports/USB debug circuit, LED indicating circuit and by MP2615 chip
Constitute 12 road charge-discharge circuits, the CPU is independently-powered by independent adapter, the LCD display circuit, key circuit,
DEBUG serial ports/USB debug circuit, LED indicating circuit and 12 road charge-discharge circuits are connect with the CPU respectively；Described 12
The one 9V adapter power supply of every four routing of road charge-discharge circuit, the output end of 12 road charge-discharge circuit of Qie Gai are respectively connected with cement electricity
Hinder load discharge.
In an embodiment of the present invention, the CPU is also connected with reserved charging circuit, No. 12 charging circuits
Charging current is equal 0.5A, and the charging current of the reserved charging circuit is 1A.
In an embodiment of the present invention, the charging circuit of the charge-discharge circuit includes a MP2615 chip, described
The end EN of MP2615 chip is connect with the CPU, and the SW output end of the MP2615 chip is sequentially connected inductance L1, resistance R1
It is connect respectively with the anode of the input terminal of the discharge circuit of the charge-discharge circuit and mesuring battary afterwards.BST input terminal receives SW
The output end successively signal through resistance R15, capacitor C5, is adjusted output waveform.The end CSP and BATT is separately connected resistance R1 two
Cell voltage is detected at end.
In an embodiment of the present invention, the discharge circuit includes a metal-oxide-semiconductor and a triode, the metal-oxide-semiconductor
Grid is connect with the input terminal of source electrode and the discharge circuit respectively through resistance R10；The collector of the triode with it is described
Grid connection；The emitter of the triode is grounded, and base stage is connect with one end of one end of resistance R11, resistance R12 respectively；Institute
The other end for stating resistance R11 is connect with the one end capacitor C10 and the CPU respectively；The other end, the capacitor C10 of the resistance R12
The other end be grounded；The drain electrode of the metal-oxide-semiconductor is connect and with the cathode of a diode D6 as discharge end；The diode D6
Plus earth.
In an embodiment of the present invention, the charge-discharge circuit is arranged as subplate independently of the CPU.
In an embodiment of the present invention, the mesuring battary is disposed in the battery case of the subplate；The battery case
Including the battery placing groove being set on a subplate, an inner wall of the battery placing groove is provided with electrode contact, the battery
Battery flexible fastening piece is provided in the lower wall of placing groove, on the subplate and the region setting that is located above battery placing groove
There are indicator light and lead slot.
In an embodiment of the present invention, the battery places trench bottom and offers thermal vias.
It is a further object of the present invention to provide a kind of using the above-mentioned device progress for carrying out quick aging to batch battery
The method of cell degradation characteristic test, it is characterised in that: including charging measurement and discharge test, the charging circuit EN pin electricity
Flat height, which controls, to be charged and discharged, and when EN pin is in high level, the MP2615 chip stops charging to battery, simultaneously
The metal-oxide-semiconductor is opened, and battery starts constant-resistance discharge；When EN pin is in low level, the MP2615 chip starts to battery
Charging, while the MOS is closed, battery stops electric discharge；The charging measurement includes following judgment mode:
1) when battery charging time-out, the CHGOK pin of the MP2615 chip are in high level, red light is always on, and judgement is not
It is qualified；
2) when charging temperature is more than hardware setting temperature, the CHGOK pin of the MP2615 chip is in high level, red light
It is always on, judges unqualified；
The discharge test includes following judgment mode:
1) at the end of discharge time, the voltage value of AD sampling module and the threshold voltage of setting on mainboard are compared,
If being lower than the threshold voltage, red light is always on, judges unqualified.
In an embodiment of the present invention, further include following judgment mode:
1) when battery accesses, when leading to poor contact, the CHGOK pin level of charging chip will be drawn high, therefore, it is determined that
Poor contact, buzzer can give a warning, and prompt have battery poor contact, battery will be unable to charge；
2) after accessing battery, if the pin of CHGOK is high level, red light is always on, and is opened charging and is enabled, aging is lost
It loses, alarm module buzzer sounds, misregistration information；
3) after accessing battery, when CHGOK is low level, open that charging is enabled, and into charging flow, green light goes out, red light with
Lower frequency scintillation, timing detect CHGOK signal, judge whether to be full of, CHGOK is in high level, if battery voltage value
Lower than 8.3V, then it is determined as unqualified, red light is always on, and opens that charging is enabled, and aging failure, alarm module buzzer sounds, and is remembered
Record error message；
4) when CHGOK is in high level, and battery voltage value is greater than 8.3V, charge closing is enabled, into high power discharge
Process；Red light is flashed with upper frequency, discharges into the stipulated time, and whether detection battery voltage value is greater than electric discharge threshold values；When electric discharge
Between the less than stipulated time, be determined as off-capacity, battery is unqualified, and red light is always on, and it is enabled to open charging, aging failure, alarm
Module buzzer sounds, misregistration information；
5) upon discharging between when meeting threshold values, it is enabled to open charging, is again full of battery, red light is dodged with lower frequency
Bright, timing detects CHGOK signal, judges whether to be full of, and CHGOK is in high level, if battery voltage value is higher than 8.3V, this sentences
It is set to qualification, aging passes through, and green light is always on, and knocks out red light.
Circuit structure of the present invention is simple, by special chip, is able to achieve 12 pieces of batteries burn-in test simultaneously, and between each other
Influence is not constituted, overcomes the problems such as existing battery detecting time is long, the device is complicated, and there is preferable practical value.
Detailed description of the invention
Fig. 1 is hardware principle schematic diagram of the present invention.
Fig. 2 is present invention charging local circuit schematic diagram.
Fig. 3 is present invention electric discharge local circuit schematic diagram.
Fig. 4 is testing process schematic diagram of the present invention.
Fig. 5 is subplate structural schematic diagram of the present invention.
Specific embodiment
To make the above purposes, features and advantages of the invention more obvious and understandable, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.
Detail is elaborated in the following description to fully understand the present invention.But the present invention can with it is a variety of not
Other way described herein is same as to implement, those skilled in the art can do class without violating the connotation of the present invention
Like popularization.Therefore the present invention is not limited by following public specific embodiment.
As shown in Figure 1, the present embodiment provides a kind of devices for carrying out quick aging to batch battery, it is characterised in that: packet
Include CPU, LCD display circuit, key circuit, DEBUG serial ports/USB debug circuit, LED indicating circuit and by MP2615 chip
Constitute 12 road charge-discharge circuits, the CPU is independently-powered by independent adapter, the LCD display circuit, key circuit,
DEBUG serial ports/USB debug circuit, LED indicating circuit and 12 road charge-discharge circuits are connect with the CPU respectively；Described 12
The one 9V adapter power supply of every four routing of road charge-discharge circuit, the output end of 12 road charge-discharge circuit of Qie Gai are respectively connected with cement electricity
Hinder load discharge.In an embodiment of the present invention, the CPU is also connected with reserved charging circuit, and charge electricity on 12 tunnels
The charging current on road is equal 0.5A, and the charging current of the reserved charging circuit is 1A.
Fig. 2 is referred to, in an embodiment of the present invention, the charging circuit of the charge-discharge circuit includes a MP2615 core
The end EN of piece, the MP2615 chip is connect with the CPU, and the SW output end of the MP2615 chip is sequentially connected inductance
It is connect respectively with the anode of the input terminal of the discharge circuit of the charge-discharge circuit and mesuring battary after L1, resistance R1.BST input
End receives the SW output end successively signal through resistance R15, capacitor C5, and output waveform is adjusted.The end CSP and BATT is separately connected
Cell voltage is detected at the both ends resistance R1.In figure, the end LiTemp is used to be connected to the temperature data output end of battery, the conduct of the end TP1
The anode connection terminal of mesuring battary.
Fig. 3 is referred to, in an embodiment of the present invention, the discharge circuit includes a metal-oxide-semiconductor and a triode, described
The grid of metal-oxide-semiconductor connect respectively with the input terminal of source electrode and the discharge circuit through resistance R10；The current collection of the triode
Pole is connect with the grid；The emitter of the triode is grounded, base stage one end with one end of resistance R11, resistance R12 respectively
Connection；The other end of the resistance R11 is connect with the one end capacitor C10 and the CPU respectively；The other end of the resistance R12,
The other end of capacitor C10 is grounded；The drain electrode of the metal-oxide-semiconductor is connect and with the cathode of a diode D6 as discharge end；It is described
The plus earth of diode D6.
It is noted that charge-discharge circuit of the present invention is arranged as subplate independently of the CPU.Refer to figure
5, the mesuring battary is disposed in the battery case of the subplate 1；The battery case includes the battery being set on a subplate
Placing groove 2, an inner wall of the battery placing groove are provided with electrode contact 3, are provided in the lower wall of the battery placing groove
Battery flexible fastening piece, on the subplate and region that is located above battery placing groove are provided with indicator light and lead slot.
In the present embodiment, which includes a fixed link 5, is provided with Flexible Reset bar 4 in the fixed link 5；The instruction
Lamp includes red light 10 and green light 11, and the lead slot includes two five core slots and a ten core slots, which makees
For for testing other kinds of battery incoming end；The ten cores slot is for the data communication and power supply between subplate and mainboard
Connection.In an embodiment of the present invention, the battery places trench bottom and offers thermal vias 6.
In one embodiment of the invention, provide a kind of using the above-mentioned device progress electricity for carrying out quick aging to batch battery
The method of pond aging characteristics test, it is characterised in that: including charging measurement and discharge test, the charging circuit EN pin level
Height control and be charged and discharged, when EN pin be in high level, the MP2615 chip stops to battery charging, while institute
Metal-oxide-semiconductor opening is stated, battery starts constant-resistance discharge；When EN pin is in low level, the MP2615 chip starts to fill battery
Electricity, while the MOS is closed, battery stops electric discharge；The charging measurement includes following judgment mode:
1) when battery charging time-out, the CHGOK pin of the MP2615 chip are in high level, red light is always on, and judgement is not
It is qualified；
2) when charging temperature is more than hardware setting temperature, the CHGOK pin of the MP2615 chip is in high level, red light
It is always on, judges unqualified；
The discharge test includes following judgment mode:
1) at the end of discharge time, the voltage value of AD sampling module and the threshold voltage of setting on mainboard are compared,
If being lower than the threshold voltage, red light is always on, judges unqualified.
The principle of the invention is to be charged using charging special chip to lithium battery, in conjunction with battery voltage detection and charging
Flag bit of the mode bit as identification failure controls the end EN of special chip by CPU and electric discharge MOS puts lithium battery
Electricity and performance detection, and testing result is shown by LED.
The state description of lamp:
Table 1
The present invention judges process as shown in figure 4, battery is directly put into battery holder, can start whole flow process (hardware
And software), overall process can be unattended.
(1) when battery is inserted into, when leading to poor contact, the CHGOK pin level of charging chip will be drawn high, therefore, it is determined that
Poor contact, buzzer can give a warning, and prompt have battery poor contact, battery will be unable to charge.
(2) after being inserted into battery, if the pin of CHGOK is that (pull-up, chip interior are high-impedance state shape to high level inside CPU
State) when, red light is always on, and is opened charging and is enabled, and aging failure, alarm module buzzer sounds, misregistration information.
(3) after being inserted into battery, when CHGOK is low level (pull-up, chip interior are open-drain state inside CPU), unlatching is filled
Electricity is enabled, and into charging flow, green light goes out, and red light is detected CHGOK signal, judged whether to fill with lower frequency scintillation, timing
Full, CHGOK be in high level, but battery voltage value is lower than 8.3V, then is determined as unqualified, and red light is always on, and opening to charge makes
Can, aging failure, alarm module buzzer sounds, misregistration information.
(4) when CHGOK is in high level, and battery voltage value is greater than 8.3V, charge closing is enabled, into high power discharge
Process.Red light is flashed with upper frequency, discharges into stipulated time (binodal battery is 1600 seconds at present), and detection battery voltage value is
It is no to be greater than electric discharge threshold values (7.14V).Discharge time less than 1600 seconds, it is determined as off-capacity, battery is unqualified, and red light is always on,
It is enabled to open charging, aging failure, alarm module buzzer sounds, misregistration information.
(5) the distinctive discharge technology of the present invention, is fixed against the flash-over characteristic of battery itself.The electric discharge of each battery is from completely filling
To completely putting, voltage value and corresponding time are recorded, each battery has the characteristic curve of oneself, and the present invention is according to characteristic song
Line determines 1600 seconds discharge times, and different battery discharge times need to do corresponding change, determine one according to discharge curve
A place value is to meet the most basic feature of battery.
(6) upon discharging between when meeting threshold values (1600 seconds), it is enabled to open charging, battery is full of again, red light with compared with
Low frequency flashing, timing detect CHGOK signal, judge whether to be full of, and CHGOK is in high level, but voltage value is higher than 8.3V,
This is determined as qualification, and aging passes through, and green light is always on, and knocks out red light.
(7) if during the charging process, more than 6 hours, (capacitor of hardware design C6 and C7 as shown in figure 1 adjusted hardware and fills
Electric time-out time), still underfill, CHGOK is in high level, and battery voltage value is less than 8.3V, then is determined as unqualified, and red light is normal
It is bright, it opens charging and enables, aging failure, alarm module buzzer sounds, misregistration information.
Although the invention has been described by way of example and in terms of the preferred embodiments, but it is not for limiting the present invention, any this field
Technical staff without departing from the spirit and scope of the present invention, may be by the methods and technical content of the disclosure above to this hair
Bright technical solution makes possible variation and modification, therefore, anything that does not depart from the technical scheme of the invention, and according to the present invention
Technical spirit any simple modifications, equivalents, and modifications to the above embodiments, belong to technical solution of the present invention
Protection scope.The foregoing is merely presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent
Change and modify, is all covered by the present invention.
Claims (7)
1. the device that pair batch battery carries out quick aging, it is characterised in that: including CPU, LCD display circuit, key circuit,
DEBUG serial ports/USB debug circuit, LED indicating circuit and the 12 tunnel charge and discharge being simultaneously operable being made of MP2615 chip
Circuit, the CPU is independently-powered by independent adapter, the LCD display circuit, key circuit, DEBUG serial ports/USB debugging electricity
Road, LED indicating circuit and 12 road charge-discharge circuits are connect with the CPU respectively；
The charging circuit of the charge-discharge circuit includes a MP2615 chip, the end EN of the MP2615 chip and the CPU
Connection, the SW output end of the MP2615 chip is sequentially connected inductance L1, after resistance R1 respectively with the charge-discharge circuit
The anode connection of the input terminal and mesuring battary of discharge circuit；BST input terminal receives SW output end successively through resistance R15, capacitor
The signal of C5, is adjusted output waveform；The end CSP and BATT is separately connected the both ends resistance R1, detects cell voltage；
The discharge circuit includes a metal-oxide-semiconductor and a triode, the grid of the metal-oxide-semiconductor through resistance R10 respectively with source electrode
It is connected with the input terminal of the discharge circuit；The collector of the triode is connect with the grid；The hair of the triode
Emitter grounding, base stage are connect with one end of one end of resistance R11, resistance R12 respectively；The other end of the resistance R11 respectively with
The one end capacitor C10 and CPU connection；The other end of the resistance R12, the other end of capacitor C10 are grounded；The MOS
The drain electrode of pipe is connect and with the cathode of a diode D6 as discharge end；The plus earth of the diode D6；
The charge-discharge circuit is arranged as subplate independently of the CPU；The mesuring battary is disposed on the subplate
In battery case；The battery case includes the battery placing groove being set on a subplate, the inner wall setting of the battery placing groove
There is electrode contact, is provided with battery flexible fastening piece in the lower wall of the battery placing groove.
2. the device according to claim 1 for carrying out quick aging to batch battery, which is characterized in that 12 tunnels are filled
Discharge circuit one 9V adapter power supply of every four routing, it is negative that the output end of 12 road charge-discharge circuit of Qie Gai is respectively connected with cement resistor
Placing electricity.
3. it is according to claim 1 to batch battery carry out quick aging device, which is characterized in that on the subplate and
Region above battery placing groove is provided with indicator light and lead slot.
4. the device according to claim 1 for carrying out quick aging to batch battery, which is characterized in that the flexible fastening
Part includes a fixed link, is provided with Flexible Reset bar in the fixed link.
5. the device according to claim 1 for carrying out quick aging to batch battery, which is characterized in that the battery is put
It sets trench bottom and offers thermal vias.
6. the device according to claim 1 for carrying out quick aging to batch battery, it is characterised in that: the CPU is also
It is connected with reserved charging circuit, the charging current of No. 12 charging circuits is 0.5A, the charging current of the reserved charging circuit
For 1A.
7. it is special to carry out cell degradation using the device as claimed in any one of claims 1 to 6 for carrying out quick aging to batch battery
Property test test method, it is characterised in that: including charging measurement and discharge test, the height of the EN pin level of MP2615 chip
Low control is charged and discharged, and when EN pin is in high level, the MP2615 chip stops charging to battery, while described
Metal-oxide-semiconductor is opened, and battery starts constant-resistance discharge；When EN pin is in low level, the MP2615 chip starts to charge to battery,
The MOS is closed simultaneously, and battery stops electric discharge；The charging measurement includes following judgment mode:
1) when battery charging time-out, the CHGOK pin of the MP2615 chip are in high level, red light is always on, and is judged unqualified；
2) when charging temperature is more than hardware setting temperature, the CHGOK pin of the MP2615 chip is in high level, and red light is normal
It is bright, judge unqualified；
The discharge test includes following judgment mode:
1) at the end of discharge time, the battery voltage value of AD sampling module on mainboard acquisition and the threshold voltage of setting are carried out pair
Than if being lower than the threshold voltage, red light is always on, judges unqualified；
Further include following judgment mode:
1) when battery accesses, when leading to poor contact, the CHGOK pin level of the MP2615 chip will be drawn high, to sentence
Determine poor contact, buzzer can give a warning, and prompt have battery poor contact, battery will be unable to charge；
2) after accessing battery, if the pin of CHGOK is high level, red light is always on, and is opened charging and is enabled, and aging failure is accused
Alert module buzzer sounds, misregistration information；
3) it after accessing battery, when CHGOK is low level, opens charging and enables, into charging flow, green light goes out, and red light is with lower
Frequency scintillation, timing detect CHGOK signal, judge whether to be full of, CHGOK is in high level, if battery voltage value is lower than
8.3V, then be determined as unqualified, and red light is always on, and opens that charging is enabled, and aging failure, alarm module buzzer sounds, and record is wrong
False information；
4) when CHGOK is in high level, and battery voltage value is greater than 8.3V, charge closing is enabled, into high power discharge process；
Red light is flashed with upper frequency, discharges into the stipulated time, and whether detection battery voltage value is greater than electric discharge threshold values；Discharge time is less than
Stipulated time is determined as off-capacity, and battery is unqualified, and red light is always on, and opens charging and enables, aging failure, alarm module bee
Ring device sounds, misregistration information；
5) upon discharging between when meeting threshold values, it is enabled to open charging, is again full of battery, red light is flashed with lower frequency, fixed
When detect CHGOK signal, judge whether to be full of, CHGOK be in high level, if battery voltage value higher than 8.3V, is determined as
Qualification, aging pass through, and green light is always on, and knock out red light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810831416.6A CN109061489B (en) | 2015-02-04 | 2015-02-04 | Device for rapidly aging batch batteries and battery aging characteristic testing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510057772.3A CN104614682B (en) | 2015-02-04 | 2015-02-04 | A kind of cell degradation tester and cell degradation test method |
| CN201810831416.6A CN109061489B (en) | 2015-02-04 | 2015-02-04 | Device for rapidly aging batch batteries and battery aging characteristic testing method |
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| CN201510057772.3A Division CN104614682B (en) | 2015-02-04 | 2015-02-04 | A kind of cell degradation tester and cell degradation test method |
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| CN109061489B CN109061489B (en) | 2020-08-14 |
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| CN201510057772.3A Active CN104614682B (en) | 2015-02-04 | 2015-02-04 | A kind of cell degradation tester and cell degradation test method |
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| CN110007234A (en) * | 2019-03-12 | 2019-07-12 | 清华大学 | Power battery/battery pack performance test methods and system, electric car |
| CN114285290A (en) * | 2021-12-24 | 2022-04-05 | 青岛瑰宝电子科技有限公司 | Bidirectional DC/DC energy storage type power supply aging method, system and device |
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| CN106405441B (en) * | 2016-11-13 | 2023-08-04 | 深圳市迅特通信技术股份有限公司 | Aging test device of optical module |
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| CN110007234B (en) * | 2019-03-12 | 2020-02-07 | 清华大学 | Performance test method and system of power battery/battery pack and electric automobile |
| CN114285290A (en) * | 2021-12-24 | 2022-04-05 | 青岛瑰宝电子科技有限公司 | Bidirectional DC/DC energy storage type power supply aging method, system and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104614682B (en) | 2018-09-25 |
| CN109061489B (en) | 2020-08-14 |
| CN104614682A (en) | 2015-05-13 |
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