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Climate Control Unit Test System
The Climate Control Unit Test System is used to carry out routine End-of-Line Tests on fully assembled Climate Control Units used in modern automobiles. The Climate Control Unit is loaded into an electro-pneumatic test fixture which has spring-loaded test probes that make contact with the terminal connectors on the rear side of the Climate Control Unit. Graphical and visual assistance is given to the operator which enables him to carry out all the tests on the Unit in a pre-determined sequence. Machine assisted visual checks on the Unit under test can also be done by means of a high resolution camera. The system produces an error report and generates a barcode at the end of each test sequence. This barcode helps to maintain traceability and transparency of test results. The test data is logged in a centralized server which can be accessed from any remote location using the Internet.
 

Measurements

  • Measurement of quiescent current
  • Full load tests on blower switch
  • Tests on re-circulation circuit
  • Tests on temperature control
  • Tests on H-bridge drivers
  • Luminous intensity of backlit symbols
  • Millivolt drop/Micro-ohm test on NC contact
  • Sharpness and positional accuracy measurements of backlit symbols
  • Identification of variants with different color schemes
  • Verification of delivery positions
 

Features

  • A robust, reliable and proven hardware which has been in use for several years
  • Several different configurations are available which can test simple air condition panels to advanced climate control units used in modern cars which use CAN interface
  • Fully automated system requiring minimum operator intervention
  • Visual graphical aid allows even an untrained operator to perform all the tests accurately and reliably
  • Very simple operation, operator is required to pushes only 2 push buttons to steer through the test sequence
  • A feature in the software ensures that none of the tests in a sequence are skipped
  • An inbuilt error printer and barcode label printer
  • LAN and Intranet connectivity makes remote monitoring of production and performing quality checks possible
  • Statistical analysis of daily or shift-wise production data is possible
  • Cycle time of 50 seconds, typically
 

Clients

BHTC