Switch array circuit and communication device of automobile diagnosis system
A switch array and switch technology, applied in the direction of electrical program control, sequence/logic controller program control, etc., can solve the problems of short life cycle of contacts and high mass production cost
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[0016] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0017] see figure 1 , the switch array circuit in the preferred embodiment of the present invention is connected between the controller (11, 12) and the connector 20, including a power supply module 31, a drive module 32, a transceiver module 33 and a switch array 34. In this embodiment, the connector is a 26pin connector. Controllers include master controllers and slave controllers.
[0018] refer to figure 2 , the switch array 34 has a plurality of switch channels ORLn (n is a positive integer) composed of light-controlled MOS relays (G3EM-61-G1), each of the...
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