Electromagnetic driver with lead-out structure for coil
View Patent ↗An electromagnetic driver with lead-out structure for coil includes at least one coil holder and at least one coil disposed on the coil holder. The coil holder has a plurality of metal connecting member, and the two lead-out ends of the coil are electrically connected to the first connecting terminals of the metal connecting members. The second connecting terminal of the metal connecting member is electrically connected to a conductive member, such as spring, and the coil of the electromagnetic driver can be independently and automatically manufactured and then assembled with the other conductive member. The coil of the electromagnetic driver can be directly replaced at maintenance.
1. An electromagnetic driver with lead-out structure for coil, the electromagnetic driver comprising:
at least one coil assemble, the coil assemble comprising
a coil holder made of non-conductive material;
a plurality metal connecting members arranged on the coil holder and each of the metal connecting members comprising a first connecting terminal and a second connecting terminal, the second connecting terminal electrically connected to a conductive member; and
at least one coil arranged on the coil holder and having two lead-out wires extended from two end of the coil, the two lead-out wires respectively connected to the first connecting terminals of the metal connecting members; and
the electromagnetic driver further comprising at least one magnetic member arranged corresponding to the coil, the magnetic member having electromagnetic interaction with the coil when electric current flows through the coil.
2. The electromagnetic driver in claim 1 , wherein the metal connecting members are integrally formed with the coil holder and embedded into the coil holder when the coil holder is inject molded.
3. The electromagnetic driver in claim 1 , wherein the coil holder has a plurality of embedding grooves and the metal connecting members are arranged in the embedding grooves.
4. The electromagnetic driver in claim 1 , wherein the two lead-out wires of the coil are respectively connected to two metal connecting members, each of the lead-out wires of the coil is wound around and soldered to the first connecting terminal of the corresponding metal connecting member.
5. The electromagnetic driver in claim 1 , wherein the second connecting terminal of the metal connecting member is soldered to the conductive member or glue-dispensed to the conductive member.
6. The electromagnetic driver in claim 1 , wherein the second connecting terminal of the metal connecting member is connected to the conductive member by locking structure.
7. The electromagnetic driver in claim 1 , wherein the conductive member is a spring.
8. The electromagnetic driver in claim 1 , wherein the magnetic member constitutes a rotor for the electromagnetic driver when the coil constitutes a stator; wherein the magnetic member constitutes a stator for the electromagnetic driver when the coil constitutes a rotor.
9. The electromagnetic driver in claim 8 , wherein the coil holder of ring shape with a hollow center.
10. The electromagnetic driver in claim 9 , wherein the coil holder is a lens holder.
11. The electromagnetic driver in claim 10 , wherein the coil constitutes a rotor and the magnetic members are plural and arranged around the coil, the magnetic members constitute stators, and the coil holder moves up and down when the coil has magnetic interaction with the magnetic members.
12. The electromagnetic driver in claim 8 , wherein the coil constitutes stator and the magnetic member constitutes rotor and is arranged at a center encircled by the coil stage, the magnetic member moves up and down when the coil has magnetic interaction with the magnetic members.
13. The electromagnetic driver in claim 3 , wherein the coil constitutes stator and the magnetic member constitutes rotor and is arranged as a rotating shaft encircled by the coil stage, the magnetic member rotates when the coil has magnetic interaction with the magnetic members.
14. The electromagnetic driver in claim 2 , wherein the magnetic member is arranged atop or below the coil.
15. The electromagnetic driver in claim 8 , wherein the magnetic member constitutes stator and the coil constitutes rotor, the coil has horizontal movement when the coil has magnetic interaction with the magnetic member.
16. The electromagnetic driver in claim 8 , wherein the magnetic member constitutes rotor and the coil constitutes stator, the magnetic member has horizontal movement when the coil has magnetic interaction with the magnetic member.