Energy Storage
For the assembly of energy storage battery modules and PACKs, providing visual inspection solutions for connectors, fasteners, insulation parts and markings.
Industry Production characteristics
How This Industry Produces Determines How Inspection Should Be Done
The visual inspection of energy storage revolves around two things: first, making the most common defects in this industry image clearly and consistently; second, connecting the judgement result reliably into the production line. Common implementation constraints in this industry are "module size is large, so a single camera struggles to cover it fully"; "connection points are dense, so acceptance criteria must be set point by point". Whether detection can be stable depends on material optical properties, minimum defect size, and cycle time, and is subject to the results of a measured sample trial.
Energy storage products are similar to new energy vehicles in assembly characteristics, but Larger cell dimensions, more connection points and high batch consistency requirements A single module may have hundreds of connection points to confirm.
The value of visual inspection on energy storage production lines centers on Batch consistency: operators tend to relax during long, repetitive inspection, while equipment maintains the same judgement scale.
Industry Inspection issues
Where problems actually occur on site
- Missing or misaligned connecting piece / busbar
- With many bolts, missed tightening is hard to spot
- Missing insulating part or baffle
- Module markings and batch information must be verified
- Surface foreign matter and appearance anomalies
Typical Inspection Objects
The Most Common Inspection Objects in This Industry
Typical Inspection Task
The judgments to be made on these objects
- Connecting piece and busbar assembly verification
- Bolt count and position check
- Screening for missing insulating parts
- Module marking reading
- Appearance anomaly identification
Vision Inspection Challenges
Implementation constraints specific to this industry
- Modules are large, so a single camera struggles to cover everything
- Connection points are dense, so acceptance criteria must be set point by point
- Strong reflection on metal connectors
- Temperature and humidity fluctuations in the site environment affect imaging stability
Choosing the right algorithm
Choose by Acceptance Criteria Form, Not by How Advanced It Is
Multi-region verification
Judge presence/absence and full seating point by point against the connection points
Code Reading / Classification
Module marking and model differentiation
Anomaly Detection
Appearance anomaly identification
acquisition and light source
Optical conditions set the upper limit of feasibility
- For large modules, use multiple cameras or multi-station zoning to ensure every connection point has enough pixels
- For reflective connecting strips, use a diffusion + polarization combination to reduce specular reflection
- Production lines running long term need regular light source calibration to prevent criteria drift from brightness decay
OK / NG Judgement
How results are judged and used
| Inspection Status | judgement | Interlocking Action |
|---|---|---|
| All connection points and insulation parts in place | OK | release |
| Missing part / misalignment present | NG | Isolate and Rework |
| Consecutive defects at the same position | Alarm | Prompt assembly station check |
PLC and Automation Interlocking
How results connect to the production line
Recommended: Module level Outputs the whole-package result while keeping point-by-point inspection details, making it easy to locate the problem point during rework.
If the production line has MES, it is advisable to send back the whole-package judgement together with the point-by-point results to form a queryable assembly record.
Applicable equipment
Common configuration forms for this type of inspection
Related Solutions
View the corresponding solution by inspection task
Common Question
The Questions Most Often Asked in This Industry
A Module Has Hundreds of Connection Points; How Long Does Inspection Take?
The processing time depends on the number of inspection points and the algorithm complexity per point, and can usually be spread across multiple cameras working in parallel. The actual time must be calculated at the solution stage according to the specific number of points and the cycle-time requirement.
Does a High Ambient Temperature at the Site Affect Inspection?
Yes. Temperature change can cause light source brightness drift and camera dark current variation; for long-term operation, periodic calibration is recommended, or use industrial-grade light sources and cameras with better stability.
For visual inspection in this industry, what needs to be solved first?
the implementation constraints commonly seen in this industry center on: "modules are large, making it hard for a single camera to cover everything"; "connection points are dense, so acceptance criteria must be set point by point"; "metal connectors are highly reflective". These constraints affect both the imaging solution and the cycle-time design, and normally a sample trial is needed to validate before the configuration is finalized.
How does the inspection result interlock with the production line?
It is recommended to output the whole-package result at module level while retaining point-by-point inspection detail, so that problem points can be located during rework. If the production line has a MES, it is recommended to send both the package-level judgement and the point-by-point results back to form a queryable assembly record.
What Equipment Configuration Does This Type of Inspection Generally Require?
Common forms include: "EEK-SV5205C industrial vision presence/absence inspection equipment", "multi-camera module inspection station", "data interface that works with the production line MES". The specific machine model and quantity depend on the inspection area, the minimum defect size and the line cycle time, and must be confirmed according to the site conditions.
Which process steps in this industry benefit most from a visual inspection station?
The most common is: "verification of connecting plate and busbar assembly"; "checking bolt count and position"; "screening for missing insulation parts". Which process steps to actually instrument depends on the cost of defects escaping downstream and the cost of rework — the later a defect is found, the higher the cost.
How do we judge whether our product is suitable for visual inspection?
Please provide assembly photos of the module / PACK and a list of connection points, and state the line cycle time and the space available at the inspection station. In general, as long as the acceptance criteria can be stated clearly, defects image clearly and consistently, and the cycle time matches the field of view, the project is feasible.
What inspection accuracy can be achieved?
Accuracy is not a fixed value that holds regardless of conditions. To be added — the minimum detectable size depends on the combination of field of view and camera resolution, and is also affected by illumination, lens and algorithm; the configuration must be derived from your minimum defect size and validated by measurement.
Submit sample testing
Please provide assembly photos of the module / PACK and a list of connection points, and state the production line cycle time and the space available at the inspection station.
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Need to assess imaging conditions, defect criteria and cycle time item by item? Go to the Full Requirement Assessment →
Inspection Configuration Based on Your Industry's Products and Cycle Time
Send us photos of the workpiece, the inspection requirement (what to inspect, and the tolerance for escapes and false calls), and the line cycle time, and our solution engineers will recommend the inspection method, optical solution, and interlocking configuration for that industry.