Laser Sensor Cooling Module for Hot Pole Piece Thickness Detection
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Solution Overview
Problem
In battery manufacturing, detection devices used to measure the thickness of pole pieces face accuracy issues and potential damage due to high temperatures, especially when used for continuous detection.
Innovation Solution
A detection device incorporating a laser ranging sensor and a cooling module with a protective enclosure and cooling plate, featuring air flow channels, inlet, and outlet holes to facilitate cooling, which improves accuracy and extends the sensor's lifespan.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the detection device is used for continuous detection in high temperature environment, then the detection function is maintained, but the temperature of the detection device continues to rise causing accuracy degradation and potential damage
Solution Approach 1:
A protective enclosure is introduced as an intermediary between the laser ranging sensor and the high-temperature environment. The enclosure isolates the sensor from direct thermal exposure while allowing laser beam transmission through transparent portions, thereby maintaining detection accuracy without direct thermal contact
Solution Approach 2:
A cooling system using gas flow (pneumatics) is implemented to actively remove heat from the protective enclosure. The cooling system creates a temperature gradient that prevents heat transfer to the laser ranging sensor, maintaining its operating temperature within acceptable ranges for continuous detection
2Productivity
If the laser ranging sensor is exposed to high temperature environment, then the detection coverage is maintained, but the service life of the sensor decreases due to thermal damage
Solution Approach 1:
The protective enclosure serves as a pre-established thermal barrier that cushions the laser ranging sensor against high-temperature damage before thermal exposure can occur. This protective structure is in place before continuous detection begins, preventing thermal accumulation that would otherwise reduce service life
Solution Approach 2:
The protective enclosure acts as a mediator that allows the sensor to function in high-temperature environments without direct thermal contact. The enclosure transmits laser beams while blocking harmful thermal radiation, thereby extending the sensor's operational lifespan during continuous detection
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The cooling module effectively maintains the laser ranging sensor's accuracy and extends its service life by exchanging heat with compressed air, ensuring reliable thickness measurements in high-temperature environments.
Implementation Method 1
the first air outlet holes are disposed in a manner of facing the laser ranging sensor to blow air to the laser ranging sensor to cool the laser ranging sensor
Data Source
AI summary
The present application provides a detection device and pole piece manufacturing equipment. The detection device includes: a laser ranging sensor; and a cooling module, which includes a first protective enclosure and a cooling plate, where the first protective enclosure encloses the outside of the laser ranging sensor; the first protective enclosure is provided with an avoidance portion for avoiding a laser light path of the laser ranging sensor; the first protective enclosure has a first opening; the cooling plate covers the first opening; an air flow channel is defined inside the cooling plate; surfaces of the cooling plate are provided with air inlet holes and first air outlet holes which are communicated with the air flow channel; and the first air outlet holes are disposed in a manner of facing the laser ranging sensor to blow air to the laser ranging sensor to cool the laser ranging sensor.