WELL-11 · Wellness Electronics
Wireless Air-Compression Recovery Boots Control System
A representative Cordless recovery boots PCBA reference: multi-chamber pressure sequencing, local display, battery power, bilateral wireless coordination, fail-safe release.
Project context
How this product is typically engineered
A representative Cordless recovery boots PCBA reference: multi-chamber pressure sequencing, local display, battery power, bilateral wireless coordination, fail-safe release.
System architecture
Typical architecture
The pictured HMI board manages LCD, keys, and wireless communication; a separate local power board is expected to drive the pump and valves from calibrated pressure feedback, with each boot enforcing its own absolute limits.
Engineering risks to resolve
Decisions to close before release
- Maintain calibrated multi-chamber pressure despite sensor drift, leakage, and battery sag.
- Coordinate two boots without making real-time safety depend on the radio link.
- Release pressure after valve sticking, blocked exhaust, firmware failure, or depleted battery.
Validation plan
Checks to define before production
- Calibrate pressure zero and span, then record every chamber's rise, hold, leak, and release behavior.
- Inject sensor drift, valve sticking, blocked tubing, wireless loss, low battery, and power interruption.
- Run pump thermal, valve-cycle, tube-flex, weak-signal, and left-right pressure-consistency endurance.
What to put in the RFQ
Files and records to agree before quoting
Use this list to agree the build inputs and release records for a similar product. The final set depends on the project.
Design baseline
Released schematic or block diagram, interface table, power states, critical constraints, and revision owner.
Manufacturing release
Gerber or ODB++, stack-up, centroid data, assembly drawings, approved DFM dispositions, and panel assumptions.
Material control
Released BOM revision, manufacturer part numbers, AVL or alternate rules, no-substitute lines, MSL handling, and exception approvals.
Validation record
Test method, acceptance criteria, sample or serial identity, measured result fields, and disposition. Example scope: Calibrate pressure zero and span, then record every chamber's rise, hold, leak, and release behavior.
Production release
First-article status plus the agreed SPI, AOI, X-ray, ICT, FCT, programming, rework, OQA, labeling, and packing records.
During RFQ review, we confirm the required fields, sampling, limits, approvals, and record-retention period. Confidential project information stays within the agreed access rules.
Development and production controls
Typical manufacturing scope
- Multi-chamber pressure sequencing.
- LCD, key, and wireless HMI integration.
- Independent pressure limits and safe release.
Technical image review
Board-level evidence
White-background views are published to make component placement, interfaces and assembly boundaries easier to inspect.
