A linear compressor for producing a driving force by magnetic induction and naturally modulating a cooling capacity according to a load includes a fixed member provided with a compression space, a movable member which linearly reciprocates inside the fixed member to compress refrigerant, a plurality
A linear compressor for producing a driving force by magnetic induction and naturally modulating a cooling capacity according to a load includes a fixed member provided with a compression space, a movable member which linearly reciprocates inside the fixed member to compress refrigerant, a plurality of springs installed to elastically support the movable member in a motion direction, a first stator through which a current flows, a conductor member magnetically induced by the first stator to make the movable member linearly reciprocate, and a control unit which controls supply of a current with respect to the first stator.
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1. A linear compressor, comprising: a fixed member provided with a compression space;a movable member which linearly reciprocates inside the fixed member to compress refrigerant;a plurality of springs installed to elastically support the movable member in a motion direction;a first stator through wh
1. A linear compressor, comprising: a fixed member provided with a compression space;a movable member which linearly reciprocates inside the fixed member to compress refrigerant;a plurality of springs installed to elastically support the movable member in a motion direction;a first stator through which a current flows;a conductor member in which an induction field is produced due to a magnetic flux formed by the current flowing through the first stator, wherein the conductor member to which force is applied in one direction due to the induction field makes the movable member linearly reciprocate;a control unit which controls supply of the current with respect to the first stator; anda connection member which connects the movable member to the conductor member, wherein the conductor member is a conductor line wound around the outside of the connection member. 2. The linear compressor of claim 1, wherein the conductor member is mounted on one end of the connection member. 3. The linear compressor of claim 2, wherein the conductor member is formed in a shape corresponding to the connection member. 4. The linear compressor of claim 1, wherein the first stator comprises a coil winding body wound with a coil, and a core mounted on the coil winding body, and the control unit controls On and Off of current supply with respect to the coil winding body so as to produce a one-way magnetic field in the conductor member. 5. The linear compressor of claim 4, wherein the springs include a first spring installed to elastically support the movable member in a refrigerant compression direction, or a second spring installed to elastically support the movable member in the opposite direction to the refrigerant compression direction. 6. The linear compressor of claim 1, comprising a second stator which maintains a gap from the first stator, wherein at least some portion of the conductor member is positioned in the gap. 7. The linear compressor of claim 6, wherein the first stator comprises first and second coil winding bodies spaced apart at an interval in an axial direction and wound with a coil, respectively, and a core mounted on the first and second coil winding bodies, and the control unit performs a control to supply currents having a phase difference to the first and second coil winding bodies to produce a two-way magnetic field in the conductor member. 8. The linear compressor of claim 7, wherein the coil is wound around the first and second coil winding bodies in the same direction. 9. The linear compressor of claim 8, wherein the control unit performs a control to supply currents having a phase difference of 90 degrees to the first and second coil winding bodies. 10. The linear compressor of claim 7, wherein the springs include a first spring installed to elastically support the movable member in a refrigerant compression direction, and a second spring installed to elastically support the movable member in the opposite direction to the refrigerant compression direction. 11. The linear compressor of claim 1, wherein, when the movable member operates over a certain speed, a speed of the movable member is inversely proportional to a force moving the movable member at a certain ratio. 12. The linear compressor of claim 11, wherein, when a load increases, the speed of the movable member decreases, and the force moving the movable member increases. 13. A linear compressor, comprising: a fixed member provided with a compression space;a movable member which is provided with a conductor member, and linearly reciprocates inside the fixed member to compress refrigerant;a plurality of springs installed to elastically support the movable member in a motion direction;a first stator applied with a current to magnetically induce the conductor member;a second stator positioned corresponding to the first stator so that at least some portion of the conductor member can be positioned in a space between the first stator and the second stator;a control unit which controls supply and interception of power with respect to the first stator so that a speed of the movable member and a force moving the movable member can be inversely proportional at a certain ratio, and thereby performs a natural cooling capacity modulation control; anda connection member which connects the movable member to the conductor member, wherein the conductor member is a conductor line wound around the outside of the connection memberwherein a magnet flux forms a closed circuit along the first and second stators due to the current flowing through the first stator, and an induction field is produced in the conductor member due to the magnetic flux, and the conductor member to which a force is applied in one direction due to the induction field makes the movable member linearly reciprocate. 14. The linear compressor of claim 13, wherein, when the movable member operates over a certain speed, the control unit performs the natural cooling capacity modulation control. 15. The linear compressor of claim 13, wherein the control unit varies an amplitude or frequency of power applied to the first stator to selectively perform a forcible cooling capacity modulation control. 16. The linear compressor of claim 13, wherein the first stator comprises first and second coil winding bodies spaced apart at an interval in an axial direction and wound with the same coil in the same direction, respectively, and a core mounted on the first and second coil winding bodies, and the control unit performs a control to supply currents having a phase difference to the first and second coil winding bodies to produce a two-way magnetic field in the conductor member. 17. The linear compressor of claim 16, wherein the control unit performs a control to supply currents having a phase difference of 90 degrees to the first and second coil winding bodies. 18. The linear compressor of claim 14, wherein the control unit varies an amplitude or frequency of power applied to the first stator to selectively perform a forcible cooling capacity modulation control. 19. The linear compressor of claim 1, wherein the conductor member is formed from at least one of Cu and Al. 20. The linear compressor of claim 13, wherein the conductor member is formed from at least one of Cu and Al.
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이 특허에 인용된 특허 (8)
Yoo, Jae Yoo; Lee, Chel Woong; Hwang, Min Kyu, Apparatus and method for controlling operation of reciprocating compressor.
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