CN116577034A - Method and device for measuring leakage of storage battery shell - Google Patents
Method and device for measuring leakage of storage battery shell Download PDFInfo
- Publication number
- CN116577034A CN116577034A CN202310516395.XA CN202310516395A CN116577034A CN 116577034 A CN116577034 A CN 116577034A CN 202310516395 A CN202310516395 A CN 202310516395A CN 116577034 A CN116577034 A CN 116577034A
- Authority
- CN
- China
- Prior art keywords
- battery
- storage battery
- sand
- metal
- resistance
- Prior art date
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000002159 abnormal effect Effects 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims description 56
- 239000004576 sand Substances 0.000 claims description 36
- 239000002253 acid Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000004880 explosion Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 5
- 239000000084 colloidal system Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
- G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/186—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a method and a device for measuring leakage of a storage battery shell. And checking the resistance of the battery post and the inner wall of the container by using a resistance gear of the universal meter, wherein if the resistance is infinitely large, the battery shell is normal and is not damaged, and if the resistance is abnormal, the shell is damaged. The invention detects the battery shell before the installation and operation of the new battery, can effectively avoid direct current grounding or insulation reduction caused by the operation of the damaged battery, and can avoid battery explosion caused by the charging of the damaged battery, thereby endangering equipment and personal safety.
Description
Technical Field
The invention relates to the technical field of inspection and detection, in particular to a method and a device for measuring leakage of a storage battery shell.
Background
The existing valve-regulated lead-acid colloid accumulator shell is made of ABS/ABS-V0 or PP materials. The internal electrolyte is sulfuric acid-colloid. The weight of a single battery is above 20kG, and the weight of the battery is above 35kG according to different parts of the capacity, but the battery is small in size, and only can be operated by one person in the carrying process, so that shell scratch or gouge often occurs in the carrying process. Since the battery is internally colloidal, the liquid flow is small in a stationary state, and the liquid is not caused to flow out even if the battery is cracked, so that it is difficult to find the breakage of the case. When the battery is connected to the system and operated, particularly in a charge-discharge test, the battery is activated by high current, and liquid chemical substances flow out of cracks, so that direct current grounding or insulation is reduced. Meanwhile, due to different production processes, the pressure joint of part of battery shells is not tight in pressure joint, and the phenomenon of liquid leakage occurs after operation.
Disclosure of Invention
The invention aims to solve the problems and provide a method and a device for measuring the leakage of a storage battery shell, which are suitable for monitoring the crack leakage or seepage of the valve-controlled lead-acid storage battery shell, wherein the damage or the pressure connection of the battery shell is possibly caused in the transportation or the production process of a new battery, and the detection of the battery shell is carried out before the installation and the operation of the new battery, so that the direct current grounding or the insulation reduction caused after the operation of the damaged battery can be effectively avoided, the explosion of the battery caused when the damaged battery is charged is avoided, and the equipment and the personal safety are endangered.
The invention realizes the above purpose through the following technical scheme:
a device for measuring leakage of a storage battery shell comprises a metal container, metal sand, a universal meter and a test wire;
the size of the metal container is required to be larger than the volume of the storage battery and is used for containing metal sand;
the metal sand is contained in a metal container;
the universal meter and test wire: the method is used for detecting the resistance between the storage battery post and the metal container.
The metal sand is flush with the pole of the storage battery, and the metal sand does not contact the pole.
Further, the metal sand is steel sand.
The invention also provides a method for measuring the leakage of the storage battery shell, which comprises the following steps:
step 1, loading metal sand into a metal container, tamping and flattening the surface;
step 2, embedding the storage battery into metal sand, wherein the surface of the metal sand is flush with the surface of the storage battery, and the metal sand is not contacted with a pole of the storage battery;
step 3, adjusting the universal meter to a resistance gear, wherein one end of a meter pen is connected with one pole of a storage battery in the metal sand, and the other meter pen is connected with a metal container;
and 4, measuring the resistance between the storage battery pole and the metal container, wherein if the resistance between the storage battery pole and the metal container is infinite, the storage battery shell is not damaged, otherwise, the storage battery shell is damaged.
The further scheme is that the storage battery is an off-line valve-controlled lead-acid storage battery.
In the step 4, if the resistance is abnormal, the case has a crack, liquid leakage or seepage condition.
The invention has the beneficial effects that:
according to the method and the device for measuring the leakage of the storage battery shell, the battery is buried in the metal container filled with the steel grit, the pole is exposed to the air, and the resistance of the battery pole and the container is measured to judge whether the battery shell is good or not. And checking the resistance of the battery post and the inner wall of the container by using a resistance gear of the universal meter, wherein if the resistance is infinitely large, the battery shell is normal and is not damaged, and if the resistance is abnormal, the shell is damaged. The battery shell is detected before the installation and operation of a new battery, so that direct current grounding or insulation reduction caused after the damaged battery is put into operation can be effectively avoided, and battery explosion caused by the damaged battery during charging is avoided, and equipment and personal safety are endangered.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the practical drawings required in the embodiments or the prior art description, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a structural diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
In any embodiment, as shown in fig. 1, the device for measuring leakage of a storage battery shell of the invention comprises a metal container 1, metal sand 3, a universal meter and a test wire 4;
the size of the metal container 1 is required to be larger than the volume of the storage battery 2, and the metal container is used for containing metal sand 3;
the metal sand 3 is contained in the metal container 1;
the multimeter and test wire 4: the device is used for detecting the resistance between the electrode post of the storage battery 2 and the metal container 1.
The metal sand 3 is flush with the post of the battery 2, and the metal sand 2 does not contact the post.
The metal sand 2 is steel sand.
In one embodiment, as shown in fig. 1, a method for measuring leakage of a battery case according to the present invention includes the steps of:
step 1, loading metal sand into a metal container, tamping and flattening the surface;
step 2, embedding the storage battery into metal sand, wherein the surface of the metal sand is flush with the surface of the storage battery, and the metal sand is not contacted with a pole of the storage battery;
step 3, adjusting the universal meter to a resistance gear, wherein one end of a meter pen is connected with one pole of a storage battery in the metal sand, and the other meter pen is connected with a metal container;
and 4, measuring the resistance between the storage battery pole and the metal container, wherein if the resistance between the storage battery pole and the metal container is infinite, the storage battery shell is not damaged, otherwise, the storage battery shell is damaged.
The storage battery is an off-line valve-controlled lead-acid storage battery.
In the step 4, if the resistance is abnormal, the shell has crack leakage or seepage.
The invention can check the insulation and damage conditions of the shells of a plurality of groups of storage batteries through one-time measurement, and is suitable for field environments.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further. Moreover, any combination of the various embodiments of the invention can be made without departing from the spirit of the invention, which should also be considered as disclosed herein.
Claims (6)
1. The device for measuring the leakage of the storage battery shell is characterized by comprising a metal container, metal sand, a universal meter and a test wire;
the size of the metal container is required to be larger than the volume of the storage battery and is used for containing metal sand;
the metal sand is contained in a metal container;
the universal meter and test wire: the method is used for detecting the resistance between the storage battery post and the metal container.
2. A device for measuring leakage from a battery housing as defined in claim 1, wherein the metallic sand is flush with the poles of the battery and the metallic sand does not contact the poles.
3. The apparatus for measuring leakage of a battery housing of claim 1, wherein the metallic sand is steel sand.
4. A method of measuring leakage from a battery housing according to any one of claims 1 to 3, comprising the steps of:
step 1, loading metal sand into a metal container, tamping and flattening the surface;
step 2, embedding the storage battery into metal sand, wherein the surface of the metal sand is flush with the surface of the storage battery, and the metal sand is not contacted with a pole of the storage battery;
step 3, adjusting the universal meter to a resistance gear, wherein one end of a meter pen is connected with one pole of a storage battery in the metal sand, and the other meter pen is connected with a metal container;
and 4, measuring the resistance between the storage battery pole and the metal container, wherein if the resistance between the storage battery pole and the metal container is infinite, the storage battery shell is not damaged, otherwise, the storage battery shell is damaged.
5. The method of measuring leakage from a battery housing of claim 4, wherein the battery is an off-line valve-regulated lead acid battery.
6. The method according to claim 1, wherein in the step 4, if the resistance is abnormal, the case has a crack leakage or seepage condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310516395.XA CN116577034A (en) | 2023-05-09 | 2023-05-09 | Method and device for measuring leakage of storage battery shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310516395.XA CN116577034A (en) | 2023-05-09 | 2023-05-09 | Method and device for measuring leakage of storage battery shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116577034A true CN116577034A (en) | 2023-08-11 |
Family
ID=87537033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310516395.XA Pending CN116577034A (en) | 2023-05-09 | 2023-05-09 | Method and device for measuring leakage of storage battery shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116577034A (en) |
-
2023
- 2023-05-09 CN CN202310516395.XA patent/CN116577034A/en active Pending
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