| 摘要 |
The utility model discloses a concatenation formula electronic circuit teaching aid unit, including square shell and the electronic component of setting in shell inside, the higher authority of shell is equipped with the public head of boss form, the following of shell, with the public affairs first departments of correspondence be equipped with with the box of boss matched with indent, electronic component includes the circuit board and sets up the guide pin on the circuit board that be connected with the circuit electricity on the circuit board, the one end of guide pin is the spliced pole, and the other end is the connecting hole with spliced pole matched with, and the spliced pole is arranged in public head, and the connecting hole is arranged in the box. A concatenation formula electronic circuit teaching aid subassembly is disclosed simultaneously, including functional unit, circuit connection unit and electrical unit. The utility model discloses a concatenation formula electronic circuit teaching aid subassembly becomes various concatenation formula units with the electronic circuit modularization, can form the circuit of different functions with the unit combination of difference, the connection of circuit with dismantle conveniently and directly perceived, reduced the degree of difficulty that the learner learnt the circuit, increased the interest of circuit study. |
