JB/T 6457.2-2004 Small valve-regulated sealed lead-acid batteries Part 2: Technical requirements
Some standard content:
ICS29.220.20
Machinery Industry Standard of the People's Republic of China
JB/T6457.2—2004
Replaces JB/T6457.2--1992
Small-sized valve-regulated lead-acid batteries
Part 2: Technical conditions
Small-sized valve-regulated lead-acid batteriesPart 2: Technical conditions
(IEC61056-1-2002, General purpose lead-acid batteries, valve-regulated. types, Part I: General requirements, functional characteriestics-methods oftest,NEQ)
2004-02-10 Issued
2004-06-01 Implementation
The National Development and Reform Commission of the People's Republic of China Issued Foreword.
2 Normative reference documents
3 Terms and definitions
4 Technical requirements,
5 Test methods
6 Inspection rules.
7 Marking, packaging, transportation, storage
Figure 1 Collection diagram..
JB/T6457.2—2004
JB/T6457.2—2004
JB/T6457—2004 "Small valve-regulated sealed lead-acid batteries" is divided into two parts: Part 1: Product classification:
Part 2: Technical conditions.
This part is the second part of JB/T6457-2004, corresponding to IEC61056-1-2002 "Portable lead-acid batteries (valve-operated) Part 1: General requirements, functional characteristics and tests". The degree of consistency between this part and IEC61056-1-2002 is non-equivalent. Compared with JB/T6457.2-1992, the main changes of this part are as follows: Add the preface: Modify the scope of application: Modify the technical requirements of 20h rate capacity: - Add 7min rate discharge: Remove the content of item a in the maximum discharge current test: Modify the scope of the pressure limiting valve: Modify the safety: - Add the explosion-proof performance test
Modify the self-discharge: - Modify the number of cycle life: - Add a requirement in the marking clause; Add a requirement in the storage clause. This part is proposed by the China Machinery Industry Federation. This part is under the jurisdiction of the National Lead-acid Battery Standardization Technical Committee. Drafting units of this part: Shenyang Rong Battery Research Institute, Fujian Quanzhou Dahua Battery Company, Fujian Anxi Minhua Battery Company, Qufu Shengyang Power Supply Co., Ltd., Nanjing Zhanhuan Jinhui Gel Battery Company. The main drafters of this part: Fu Yanling, Wan Shaobo, Lin Jinshu, Zhou Qingshen, Qian Xuehai. The previous versions of the standard replaced by this part are: JB/T6457.2-1992.
1 Scope
Small valve-controlled sealed lead-acid batteries
Part 2: Technical conditions
JIB/T6457.2--2004
This part specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of small valve-controlled sealed lead-acid batteries (hereinafter referred to as batteries).
This part is applicable to various DC power supply batteries with a rated capacity of 65Ah (including 65Ah) or less for emergency lighting equipment, uninterruptible power supplies, mobile measuring equipment, etc. The single cells of this type of lead-acid battery pack can be flat electrodes installed in square slots, or wound electrodes installed in round cylinders. The sulfuric acid electrolyte in the battery is non-flowing, or adsorbed in the microporous structure between the electrodes or in a colloidal state. 2 Normative references
The provisions in the following documents become the provisions of this part through reference to this part of JB/6457. For any dated referenced document, all subsequent amendments (excluding errata) or revisions are not applicable to this part, however, parties to an agreement based on this part are encouraged to study whether the latest versions of these documents can be used. For any undated referenced document, the latest version applies to this part. GB/T1227—2002 Precision pressure gauge
JB/T6457.1 Product classification of small wide-controlled sealed lead-acid batteries
QB700 measuring cylinder
QB702 burette
3 Terms and definitions
The following terms and definitions apply to this standard. 3.1C20—20h rate rated capacity, unit is Ah; 3.2120—20h rate discharge current, value is C20/20, unit is A; 3.3C. 20h rate actual capacity, unit is Ah: 3.4R—battery capacity retention rate, %.
4 Technical requirements
4.1 Appearance
The appearance of the battery shall not be deformed or cracked, and the markings shall be clear. 4.2 Dimensions
The battery dimensions shall comply with the provisions of JB/T6457.1. 4.320h rate capacity
4.3.120h rate rated capacity C20 shall comply with the provisions of JB/T6457.1. 4.3.2 When the battery is tested according to 5.5, the actual capacity C. shall not be less than 100% C20 within the fifth charge and discharge cycle. 4.47min rate discharge
After the battery is fully charged, the discharge duration shall not be less than 7min when tested according to 5.6. 4.527min rate discharge
When the battery is tested according to 5.7, the discharge duration shall not be less than 27min. 4.6 Maximum discharge current
JB/T6457.2—2004
When the battery is tested according to 5.8. The conductive parts shall not be fused and the appearance shall not show any abnormal phenomenon. 4.7 Overdischarge
When the battery is tested according to 5.9, the actual capacity should not be less than 0.75C20. 4.8 Overcharge
When the battery is tested according to 5.10, the actual capacity should not be less than 0.95C20. The appearance should not be abnormal. 4.9 Sealing reaction efficiency
When the battery is tested according to 5.11, the sealing reaction efficiency should not be less than 95%. 4.10 Pressure limiting valve
When the battery is tested according to 5.12, the pressure limiting valve should be reliably opened and closed in the pressure range of 1 to 49 kPa. 4.11 Safety
When the battery is tested according to 5.13, the appearance should not show abnormal phenomena such as leakage. 4.12 Explosion-proof
The battery should be tested according to 5.14, and the inside of the battery should not explode when there is an open flame outside. 4.13 Charge storage
When the battery is tested according to 5.15, the capacity retention rate shall not be less than 0.75Ce.4.14 Vibration resistance
When the battery is tested according to 5.16, the terminal voltage shall not be lower than the rated voltage, and the appearance shall not show abnormal phenomena such as condensation. 4.15 Free fall
When the battery is tested according to 5.17, the terminal voltage shall not be lower than the rated voltage, and the appearance shall not show abnormal phenomena such as leakage. 4.16 Life
4.16.1 Charge and discharge cycle life
When the battery is tested according to 5.18.1, the charge and discharge cycle life shall not be less than 300 times. 4.16.2 Flow charging life
When the battery is tested according to 5.18.2, the flow charging life shall not be less than two years 5 Test methods
5.1 Measuring instruments
5.1.1 Electrical measuring panel
5.1.1.1 Instrument range
All instrument ranges shall vary with the values of the voltage and current being measured, and the readings of pointer instruments shall be within the last third of the range. 5.1.1.2 Voltage measuring panel
The instrument used for measuring voltage shall be a voltmeter with an accuracy of not less than 0.5 grade, and the internal resistance of the voltmeter shall be at least 1k2/V. 5.1.1.3 Current measuring panel
The instrument used for measuring current shall be an ammeter with an accuracy of not less than 0.5 grade. 5.1.2 Temperature measurement
The thermometer used for measuring temperature shall have an appropriate range, and its graduation value shall not be greater than 1℃. 5.1.3 Air pressure measurement
The instrument used to measure air pressure should have a mercury barometer with an accuracy of not less than 0.1kPa. 5.1.4 Time dial
The instrument used to measure time should be divided into hours, minutes and seconds, and should have an accuracy of at least ±1%. 5.1.5 Dimension dial
The graduation value of the measuring tool for measuring the external dimensions of the battery should not be greater than 0.5mm. 5.1.6 Pressure dial
The instrument used to measure pressure should not be less than the accuracy of 0.25 specified in GB1227-2002. 5.1.7 Volume measurement
The volumetric tube or burette used to measure the volume should comply with the provisions of QB700 or QB702 standards. 5.2 Pretreatment before the test
5.2.1 The test should be carried out within 6 months after the battery is produced. All batteries must be fully charged before the test. JB/T6457.22004
5.2.2 The full charging of the battery can be carried out by constant current charging or improved constant voltage charging, or it can be determined separately by the manufacturer. 5.2.2.1 Constant current charging
a) The battery is charged at a current of 2/20 to 4/20 (or the current specified by the manufacturer) in an environment with a temperature of 15℃35℃. When the average voltage of the single battery reaches 2.40V, it is considered that the battery is fully charged when it is charged with a 0.25C20 to 0.50Cm electric disk. b) When the battery is charged at 2120~4/0 current (or current specified by the manufacturer) in an environment with a temperature of 15℃~35℃, and the charged capacity reaches 110%~150% of the discharged capacity, the battery is considered to be fully charged. 5.2.2.2 Improved constant voltage charging
When the battery is charged at an average voltage of 2.50V per cell and a maximum current not exceeding 6/0 current for 16 hours in an environment with a temperature of 257±2℃, or when the charging current value is less than 0.1/0 for more than 2 hours, the battery is considered to be fully charged. 5.3 Appearance inspection
Visually inspect the appearance of the battery.
5.4 Dimension inspection
According to the structural dimensions in JB/6457.1, the external dimensions of the tester battery, 5.520h rate capacity test
5.5.1 After the battery is fully charged, it is left to stand for 5h~24h in an environment with a temperature of 25℃ ± 2℃, and then discharged with a current of 12n until the average voltage of the single battery reaches 1.75V, and the discharge time is recorded. 5.5.2 The actual capacity Ce of the battery is calculated by multiplying the discharge current by the discharge duration. 5.67min rate discharge test
5.6.1 The battery can only be tested after passing the test in 5.5 and meeting the requirements in 4.3. 5.6.2 After the battery is fully charged, it is left to stand for 5h24h in an environment with a temperature of 25℃ ± 2℃, and then discharged with a current of 60/ until the average voltage of the single battery reaches 1.60V, and the discharge time is recorded. 5.727min rate discharge test
5.7.1 The battery can only be tested after it has passed the test in 5.5 and meets the requirements of 4.3. 5.7.2 After the battery is fully charged, it should be kept at rest for 5h~24h in an environment with a temperature of 25℃±2℃, and then discharged at a current of 20/2 until the average voltage of the single battery reaches 1.60V, and the discharge time should be recorded. 5.8 Maximum discharge current test
5.8.1 After the battery is fully charged, it should be kept at rest for 5h~24h in an environment with a temperature of 25℃±2℃, and then discharged at a current of 300/2o for 5s. 5.8.2 Check whether the conductive part of the battery is fused and whether the appearance is normal. Note: The lead-type wax is carried out according to the conditions specified by the manufacturer. 5.9 Over-discharge test
5.9.1 The battery can only be tested after it has passed the test in 5.5 and meets the requirements of 4.3. 5.9.2 After the battery is fully charged, discharge it continuously for 15 days at a constant impedance of 40120±10% of the initial discharge current in an environment with a temperature of 25℃±5℃.
5.9.3 Then charge it for 24 hours at an average voltage of 2.50V for the single battery and a maximum current not exceeding 6/2o. 5.9.4 Test according to 5.5.
5.10 Overcharge test
5.10.1 This test can only be carried out if the battery has passed the test in 5.5 and meets the requirements of 4.3. 5.10.2 After the battery is fully charged, charge it continuously for 48 hours at 2/ in an environment with a temperature of 25℃±2℃ and check whether the appearance is normal. 3
JB/T6457.2--2004
5.10.3 Test according to 5.5.
5.11 Sealed reaction efficiency test
5.11.1 After the battery is fully charged, charge it continuously at 2120°C for 48 hours in an environment with a temperature of 15℃~35℃, and then charge it continuously at a current of 0.1/ for 29 hours. From the 25th hour after the current change, collect gas for 5 hours. The gas collection device is shown in Figure 1. Filter tube or display room
Full battery
Figure 1 Collection diagram
5.11.2 Sealed reaction efficiency calculation According to formula (1) and formula (2) V
Where:
(+273)
Under standard conditions, the battery is charged with 1Ah of electricity, and the gas released is mL/Ah: - atmospheric pressure when collecting gas, unit is kPa: - ambient temperature of the burette or measuring tube, unit is ℃: 9 The amount of electricity charged during the gas collection, unit is Ah: - the amount of gas released by the collected battery, unit is mL: - number of single cells.
Sealed reaction efficiency
Where:
Under standard conditions, the battery is charged with 1Ah of electricity, and the theoretical amount of gas generated is mL. 5.12 Pressure limiting valve test
(2)
In an environment with a temperature of 15℃～35℃, gradually fill each single cell with air, measure the valve opening pressure, then gradually reduce the air pressure and measure the pressure when the valve is closed.
5.13 Safety test
After the battery is fully charged, charge it continuously for 5 hours at a current of 4/2o in an environment with a temperature of 15℃～35℃, stop charging, and then invert it for 48 hours to check whether there is liquid and whether the appearance is normal. 5.14 Explosion-proof performance test
The fully charged battery is charged with a current of /2o. After 1 hour, a 24V DC power supply is used to blow a 1A fuse within 10mm of the exhaust part to produce sparks. Repeat the test twice.
5.15 Charge storage test
5.15.1 The battery is tested according to 5.5 to obtain the capacity C before standing. °JB/T6457.2—2004
Then fully charge the battery, wipe the surface, and let it stand for 120 days in an environment with a temperature of 25℃±5℃. 5.15.2
After the battery has been standing for 120 days, immediately test according to 5.5 without recharging to obtain the capacity C after standing. 5.15.3-5
5.15.4 Calculate the capacity retention rate R according to formula (3). 5.16 Vibration resistance test
Cox100%
5.16.1 After the battery is fully charged, fasten it to the vibration table in an upright state in an environment with a temperature of 15℃～35℃. 5.16.2
The battery should withstand vertical (or horizontal) vibration with a frequency of 16.7Hz and an amplitude of 2mm for 1h. 5.16.3 After the vibration test, check whether the battery terminal voltage and appearance are normal. 5.17 Free drop test
5.17.1 After the battery is fully charged, in an environment with a temperature of 15℃～35℃, let the battery fall freely from a height of 250mm, bottom side down, onto a flat wooden board with a thickness of more than 10mm, and do this twice. 5.17.2 Check whether the battery terminal voltage and appearance are normal. 5.18 Life test
5.18.1 Charge and discharge cycle life test
5.18.1.1 The entire test is carried out in an environment with a temperature of 25℃±2℃. After the battery is fully charged, discharge with a current of 5/2c for 2h, and then charge with a current of 2/2 for 6h, which constitutes a charge and discharge cycle. 5.18.1.2
5.18.1.3 During the 25th, 50th, 75th, and 80th charge and discharge cycles of the battery, discharge with a current of 520 until the average voltage of the single battery reaches 1.70V and terminate. Calculate the capacity, and then continue to test the battery according to 5.18.1.2. 5.18.1.4 According to the test of 5.18.1.2 and 5.18.1.3, when the battery capacity is less than 0.5C20, and after 25 charge and discharge cycles, the battery capacity is still less than 0.5C20, the test ends. The number of charge and discharge cycles with a capacity less than 0.5C20 is not counted in the number of charge and discharge cycle life. 5.18.2 Stream charge life test
5.18.2.1 The entire test is carried out in an environment with a temperature of 25℃±2℃. 5.18.2.2 After the battery is fully charged, it is charged at a constant voltage of 2.25V~2.30V with an average voltage of 2.25V~2.30V for the single battery. The maximum current shall not be greater than 4120.
5.18.2.3 Every 2 months, the battery is discharged at 5/20 current until the average voltage of the single battery reaches 1.70V, and the capacity is calculated. Then the battery continues to be tested according to 5.18.2.2. 5.18.2.4 Tests are performed according to 5.18.2.2 and 5.18.2.3. When the battery capacity is less than 0.5C20 and the battery capacity is still less than 0.5C2o after 2 months of re-verification, the test is terminated. The slipstream charging time when the capacity is less than 0.5C2o is not counted. 5.19 Test procedure
The battery test procedure is shown in Table 1. The tests carried out according to this test procedure should be carried out continuously. Table 1
Test items
20h rate capacity test
7min rate discharge test
27min rate discharge test
Maximum discharge current test
Over discharge test
Over charge test
Battery number
JB/T6457.2—2004
Test items
Sealing reaction efficiency test
Pressure limiting valve test
Safety test
Explosion-proof test
Resistance to alarm test
Free fall test
Life test
Charge retention test
“×” is the mark to determine the test.
6 Inspection Rules
Inspection Classification
Inspection is divided into factory inspection and type inspection. 6.1.1
Table 1 (Continued)
All products put forward for delivery must be inspected according to the factory inspection items. Battery No.
Enterprise periodic type inspection shall be carried out according to the method in Table 2. Only products that have passed the factory inspection can be subjected to type inspection. In case of any of the following situations, sampling shall be carried out and type inspection shall be carried out according to the method in Table! New products to be trial-produced:
- When the design process or the raw materials used are changed: When the products that are not frequently produced are produced again: - When the superior organization deems it necessary.
6.2 Inspection Items
See Table 2 for the inspection items.
Inspection classification
Factory inspection
Type inspection
Test items
Appearance inspection
Dimension inspection
20h rate capacity disk test
7min rate discharge test
27min rate discharge test
Maximum discharge current test
Over discharge test
Overcharge test
Seal reaction efficiency test
Pressure limiting valve test
Safety test
Explosion-proof test
Charge retention test
Perturbation resistance test
Free fall test
Charge and discharge cycle life test or||t t||Current-discharging life test
See clause for technical requirements
See clause for test methods
Test number discs
1 for each
Test cycle
Once a month
Once a month
Once a month
Once a year
Once a year
Once a half year
Once a half year
Once a half year
Once a half year
Once a half year
Once a half year
Once a half year
Once a half year
6.3 Sampling rules
Type inspection can be carried out on a representative product of a certain specification. 6.4 Judgment rules
JB/T6457.2—2004
In type inspection, if one battery is unqualified in the first random test, a second double random test is allowed. If there is still one unqualified battery, the whole batch of batteries shall be judged as unqualified. 7 Marking, packaging, transportation and storage
7.1 Marking
7.1.1 The battery products should have the following markings: a) Manufacturer name:
b) Product model or specification
c) Manufacturing date:
d) Trademark:
e) Polarity symbol:
「) Environmental protection mark:
」Necessary safety warnings.
7.1.2 The outer wall of the packaging box should have the following markings: a) Product name, model specification, number plate: b) Product standard number:
c) Net weight and gross weight of each box:
d) Marking of moisture-proof, do not invert, and put with care. 7.2 Packaging
7.2.1 The packaging of the battery should meet the requirements of moisture-proof and vibration-proof. 7.2.2 The packaging box should contain the documents supplied with the product: a) Product Product certificate:
b) Product instruction manual.
7.3 Transportation
7.3.1 During transportation, the product shall not be subjected to severe mechanical impact, exposure to the sun, rain, or inversion. 7.3.2 During loading and unloading, the product should be handled with care to prevent it from being thrown, rolled, or pressed. 7.4 Purchase and storage
7.4.1 The product should be stored in a dry, clean, and well-ventilated warehouse with a temperature of 5℃ to 40℃. 7.4.2 It should not be exposed to direct sunlight and should be at least 2m away from heat sources (heating equipment, etc.). 7.4.3 It shall not be inverted or placed horizontally, and shall not be subjected to any mechanical impact or heavy pressure. 7.4.4 The manufacturer shall provide the allowable storage time of the battery. People's Republic of China
Mechanical Industry Standard
Small Valve-controlled Sealed Lead-acid Battery
Part 2: Technical Conditions
JB/T 6457.22004
Published by Machinery Industry Press
No. 22 Baiwanzhuang Street, Beijing
Postal Code: 100037
1/16·0.75 printing sheet·19,000 words
Format 890mm×1240mm
First edition, first printing in June 2004
Book number: 15111·7308
Website: http://www.cmpbook.comEditorial Department Tel:
Direct Sales Center Tel:
(00)88379779
(010)88379693wwW.bzxz.Net
All copies without anti-counterfeiting label are pirated
Copyright reserved
Infringements will be investigated2—2004
During the type inspection, if one of the batteries sampled for the first time fails, a second double test is allowed. If there is still one battery that fails, the whole batch of batteries shall be judged as failed. 7 Marking, packaging, transportation and storage
7.1 Marking
7.1.1 The battery products should have the following markings: a) Manufacturer name:
b) Product model or specification
c) Manufacturing date:
d) Trademark:
e) Polarity symbol:
「) Environmental protection mark:
」Necessary safety warnings.
7.1.2 The outer wall of the packaging box should have the following markings: a) Product name, model specification, number plate: b) Product standard number:
c) Net weight and gross weight of each box:
d) Marking of moisture-proof, do not invert, and put with care. 7.2 Packaging
7.2.1 The packaging of the battery should meet the requirements of moisture-proof and vibration-proof. 7.2.2 The packaging box should contain the documents supplied with the product: a) Product Product certificate:
b) Product instruction manual.
7.3 Transportation
7.3.1 During transportation, the product shall not be subjected to severe mechanical impact, exposure to the sun, rain, or inversion. 7.3.2 During loading and unloading, the product should be handled with care to prevent it from being thrown, rolled, or pressed. 7.4 Purchase and storage
7.4.1 The product should be stored in a dry, clean, and well-ventilated warehouse with a temperature of 5℃ to 40℃. 7.4.2 It should not be exposed to direct sunlight and should be at least 2m away from heat sources (heating equipment, etc.). 7.4.3 It shall not be inverted or placed horizontally, and shall not be subjected to any mechanical impact or heavy pressure. 7.4.4 The manufacturer shall provide the allowable storage time of the battery. People's Republic of China
Mechanical Industry Standard
Small Valve-controlled Sealed Lead-acid Battery
Part 2: Technical Conditions
JB/T 6457.22004
Published by Machinery Industry Press
No. 22 Baiwanzhuang Street, Beijing
Postal Code: 100037
1/16·0.75 printing sheet·19,000 words
Format 890mm×1240mm
First edition, first printing in June 2004
Book number: 15111·7308
Website: http://www.cmpbook.comEditorial Department Tel:
Direct Sales Center Tel:
(00)88379779
(010)88379693
All copies without anti-counterfeiting label are pirated
Copyright reserved
Infringements will be investigated2—2004
During the type inspection, if one of the batteries sampled for the first time fails, a second double test is allowed. If there is still one battery that fails, the whole batch of batteries shall be judged as failed. 7 Marking, packaging, transportation and storage
7.1 Marking
7.1.1 The battery products should have the following markings: a) Manufacturer name:
b) Product model or specification
c) Manufacturing date:
d) Trademark:
e) Polarity symbol:
「) Environmental protection mark:
」Necessary safety warnings.
7.1.2 The outer wall of the packaging box should have the following markings: a) Product name, model specification, number plate: b) Product standard number:
c) Net weight and gross weight of each box:
d) Marking of moisture-proof, do not invert, and put with care. 7.2 Packaging
7.2.1 The packaging of the battery should meet the requirements of moisture-proof and vibration-proof. 7.2.2 The packaging box should contain the documents supplied with the product: a) Product Product certificate:
b) Product instruction manual.
7.3 Transportation
7.3.1 During transportation, the product shall not be subjected to severe mechanical impact, exposure to the sun, rain, or inversion. 7.3.2 During loading and unloading, the product should be handled with care to prevent it from being thrown, rolled, or pressed. 7.4 Purchase and storage
7.4.1 The product should be stored in a dry, clean, and well-ventilated warehouse with a temperature of 5℃ to 40℃. 7.4.2 It should not be exposed to direct sunlight and should be at least 2m away from heat sources (heating equipment, etc.). 7.4.3 It shall not be inverted or placed horizontally, and shall not be subjected to any mechanical impact or heavy pressure. 7.4.4 The manufacturer shall provide the allowable storage time of the battery. People's Republic of China
Mechanical Industry Standard
Small Valve-controlled Sealed Lead-acid Battery
Part 2: Technical Conditions
JB/T 6457.22004
Published by Machinery Industry Press
No. 22 Baiwanzhuang Street, Beijing
Postal Code: 100037
1/16·0.75 printing sheet·19,000 words
Format 890mm×1240mm
First edition, first printing in June 2004
Book number: 15111·7308
Website: http://www.cmpbook.comEditorial Department Tel:
Direct Sales Center Tel:
(00)88379779
(010)88379693
All copies without anti-counterfeiting label are pirated
Copyright reserved
Infringements will be investigated
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