The invention provides a linear compressor and a refrigerant preheating method. The linear compressor comprises a shell and further comprises a stator, a rotor, an air cylinder, a piston, a spring pressing plate, an air suction barrel and an oil pump which are arranged in the shell, lubricating oil is stored in the bottom of the shell, a main oil supply pipe and a preheating oil supply pipe are connected to the oil pump, the main oil supply pipe is used for feeding the lubricating oil to the air cylinder, and the preheating oil supply pipe is used for feeding the lubricating oil to the air suction barrel. Safety and reliability of the linear compressor are improved.

Linear compressor and refrigerant preheating method

The invention provides an isolated type linear piston compressor. The isolated type linear piston compressor comprises a lower air cylinder magnet, a piston magnet, an air exhaust valve, an upper air cylinder magnet, an air suction valve, an air cylinder, a piston, piston seal rings, active cell magnetic conductive plates, upper active cell magnets, lower active cell magnets, stator iron cores, a stator base, a stator magnetic conductive body and stator coils. A compressing assembly and a linear motor active cell are arranged in the closed air cylinder, a linear motor stator is arranged outside the air cylinder, and the stator coils work in the conventional environment. The upper active cell magnets and the lower active cell magnets in the compressing assembly drive the piston to move up and down in a reciprocating mode along the inner wall of the air cylinder, an internally-arranged magnetic spring absorbs vibration energy of the piston, and thus the whole compressor smoothly and steadily runs. Compared with the prior art, the isolated type linear piston compressor has the characteristics that the structure is simple, the service life is long, using is safe, and dismounting is convenient; and the compressor is developed towards miniaturization, and the application fields of the compressor are enlarged.

Isolated type linear piston compressor

The invention provides a linear compressor with a volume-adjustable air cylinder. The compressor comprises a shell, and a stator, a piston and the air cylinder arranged in the shell, wherein the headof the piston is slidably arranged in the air cylinder; and the air cylinder is adjustably mounted on the stator in the axial direction. The air cylinder can be movably adjusted relative to the statoralong the axis of the air cylinder, and the positions between the air cylinder and the stator are different, so that the compressed volumes formed between the air cylinder and the piston are different; and by adjusting the position of the air cylinder, compressors of different volumes can be obtained. The refrigerating capacity of the compressor can be adjusted correspondingly to meet the using demand of refrigerating equipment with different refrigerating capacities without developing or producing compressors of different specifications and models additionally, so that the development cost and the production cost of the compressor are saved, and the universality of the linear compressor with the volume-adjustable air cylinder is improved.

Linear compressor with volume-adjustable air cylinder

The utility model provides a straight -line compressor, including the shell and set up active cell, stator, coil, piston, cylinder and the cylinder head in the shell, the coil setting is in the stator, and the stator forms magnetic field, and the active cell is provided with the magnet, and the magnet is inserted to slide and is set up magnetic field, and the piston is connected with the active cell, and piston slip setting is in the cylinder, and the cylinder lies in one side of stator and fixes the terminal surface at the stator, and the cylinder head is fixed on the cylinder. Through with the cylinder snap -on on the terminal surface of stator, and need not to adopt the ring flange to fix, the effectual overall structure who simplifies sharp compressor has simplified the equipment process of sharp compressor, improves the packaging efficiency, and the cylinder head snap -on is on the cylinder for the magnetic field that the coil formed is kept away from to the cylinder, and the cylinder head is kept apart with the stator, and reduction magnetic field is followed the cylinder head and is outwards revealed, thereby can effectual improvement electric efficiency.

Straight-line compressor

The invention provides a linear compressor and a lubricating oil supply method. The linear compressor comprises an outer shell, a stator and a coil, wherein the stator and the coil are installed in the outer shell and the coil is arranged on the stator. The linear compressor also comprises an oil supply mechanism which comprises an oil cylinder, a valve element, a resetting spring and an oil exit pipe, wherein the valve element and the resetting spring are located in the oil cylinder; one end of the resetting spring is pressed against one end of the oil cylinder and the other end of the resetting spring is pressed against the valve element; an oil storage cavity is formed between the valve element and the other end of the oil cylinder; the oil cylinder is also provided with an oil inlet and an oil outlet communicating with the oil storage cavity; the valve element is located within the scope of a magnetic field generated by the coil. The valve element is located within the scope of the magnetic field generated by the coil and can move in a reciprocating manner in the oil cylinder under the influence of the alternating magnetic field, so that oil is supplied and the manufacture cost of the linear compressor is reduced.

A linear compressor and a lubricating oil supply method

The invention provides a linear compressor and a lubricating oil supply method The linear compressor comprises a casing and a compression assembly arranged inside the casing, wherein the compression assembly comprises a piston, an air cylinder for enabling the piston to reciprocate, an air exhaust valve and a cover body; a first mounting port is further formed in the cover body; the linear compressor further comprises an oil cylinder; the oil cylinder comprises an oil inlet, an oil outlet and a second mounting port which communicate with one another; the second mounting port is connected with the first mounting port; an elastic piece is further arranged between the second mounting port and the first mounting port and covers the second mounting port and the first mounting port in a sealed manner; a first valve body for controlling one-way flowing of lubricating oil is arranged at the oil inlet; an oil exhaust pipe is connected onto the oil outlet The elastic piece can vibrate continuously in the air suction and exhaust process of the compressor, so that the compressor supplies oil continuously, independent oil supply mechanisms are not required to be arranged, and the manufacturing cost of the linear compressor is reduced

Chen Xiaolin

Papers

Straight-line compressor

A linear compressor and a lubricating oil supply method

Linear compressor and lubricating oil supplying method