Showing papers by "Li Hengguo published in 2017"

Refrigerator and sterilization method thereof

Abstract: The invention discloses a refrigerator comprising a refrigerator body and a door body arranged on the refrigerator body in an open-close mode, and a sterilization method thereof. The refrigerator further comprises a control module, an ice making module and a sterilization module. The control module can adjust the working state of the refrigerator; the ice making module is used for freezing liquid water into ice cakes to be stored and comprises an ice outlet which communicates with the outside space and can allow the ice cakes and/or ice water to flow out; and the sterilization module is arranged close to the ice outlet and can sterilize and disinfect the ice outlet. The sterilization module sterilizes and disinfects the ice outlet so that bacteria and insects which are attached to the ice outlet can be killed, and moisture at the ice outlet can be dried while the sterilization and insect killing effects are achieved; and the ice outlet is kept in a dry environment for a long term, breeding of the bacteria and the insects is restrained, and the residual moisture can be also prevented from absorbing impurities and harmful substances in air, so that it is beneficial for human health.

Linear compressor and position detection method

Abstract: The invention provides a linear compressor and a position detection method The linear compressor comprises a shell, a piston and an air cylinder, wherein the piston and the air cylinder are arranged in the shell The piston is arranged in the air cylinder in a sliding manner An exhaust valve and an air cylinder cover are arranged on the air cylinder The linear compressor further comprises a position detection assembly The position detection assembly comprises a detection magnetic body and detection coils The detection magnetic body is fixed to the exhaust valve The detection coils are arranged on the air cylinder cover The detection magnetic body and the detection coils are arranged oppositely In the reciprocating motion process of the piston, the distances of the piston close to the exhaust valve are different, impacting force of different degrees is generated to the exhaust valve, and therefore the opening degrees of the exhaust valve are different; the distance between the detection magnetic body and the detection coils is changed, and therefore induced electromotive force values generated by the detection coils are different; and according to the induced electromotive force values generated by the detection coils, displacement of the piston can be calculated, position detection accuracy of the linear compressor is improved, and use reliability is improved

Control method for automatically changing volume of air cylinder of linear compressor

Abstract: The invention provides a control method for automatically changing the volume of an air cylinder of a linear compressor. The linear compressor comprises a shell and further comprises a stator, a piston, the air cylinder, a rotor, a spring and a rear baffle, all of which are arranged in the shell. A magnetic assembly is further included and comprises a first magnetic part and a second magnetic part. The first magnetic part is fixed relative to the shell, the second magnetic part can move along with the rotor, and magnetic force generated between the first magnetic part and the second magnetic part is used for adjusting the position where the rotor is in a force balance state. The control method comprises the first step of top dead center detection and the second step of air cylinder volume adjustment. The reliability of the linear compressor is improved.

Single-cylinder type linear compressor and control method thereof

Abstract: The invention provides a single-cylinder type linear compressor and a control method of the single-cylinder type linear compressor The single-cylinder type linear compressor comprises a shell, a piston, an air cylinder, a stator, a coil, a rotor, a spring, a rear baffle and a front flange plate, wherein the piston, the air cylinder, the stator, the coil, the rotor, the spring, the rear baffle and the front flange plate are arranged in the shell The piston comprises a piston head and a piston rod Permanent magnets are correspondingly arranged at the two ends of the piston rod Exciting coils correspondingly matched with the permanent magnets are arranged in the shell In the reciprocating moving process of the piston, the direction of magnetic force, generated by the exciting coils, on the permanent magnets is the same as the moving direction of the permanent magnets The exciting coils can apply changing magnetic force to the permanent magnets according to the moving direction of the piston, so that the direction of the magnetic force, generated by the exciting coils, on the permanent magnets is the same as the moving direction of the permanent magnets, the motor efficiency of the compressor is improved, and thus the performance index of the compressor is increased greatly

Linear compressor and control method thereof

Abstract: The invention provides a linear compressor. The linear compressor comprises a shell. Motor modules are correspondingly arranged at the two ends of the shell. Each motor module comprises a cylinder, apiston, a stator, a coil, a mover and a permanent magnet. Each piston is arranged on the corresponding mover and slidably arranged in the corresponding cylinder. Each coil is arranged on the corresponding stator. Each stator is arranged on the corresponding cylinder. Each permanent magnet is arranged on the corresponding mover and located within a magnetic field range formed by the corresponding coil. A resonance plate spring is arranged between the two motor modules. The movers are fixed to the resonance plate spring. By the adoption of the linear compressor, the whole structure of the linearcompressor is simplified, quick assembly is facilitated, and the motor efficiency of the linear compressor is improved.

Linear compressor and assembling method thereof

Abstract: The invention provides a linear compressor and an assembling method thereof. The linear compressor comprises a shell, a piston, an air cylinder, an inner stator, an outer stator, a coil and a front flange plate, wherein the piston, the air cylinder, the inner stator, the outer stator, the coil and the front flange plate are arranged in the shell. The air cylinder and the outer stator are arranged on the front flange plate. The piston is inserted into the air cylinder. A sleeve is arranged on the back portion of the front flange plate coaxially. A flanging structure is arranged at the free end of the sleeve. A mounting groove is formed between the flanging structure and the back surface of the front flange plate. The inner stator is arranged in the mounting groove. The coil is arranged on the inner stator. A rod body of the piston is inserted into the sleeve. The assembling efficiency and the assembling quality of the linear compressor are improved.

Linear compressor and refrigerant preheating method

Abstract: 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 with adjustable air cylinder volume and control method thereof

Abstract: The invention provides a linear compressor with the adjustable air cylinder volume and a control method of the linear compressor. The linear compressor with the adjustable air cylinder volume comprises a shell, a stator, a main coil, a piston, an air cylinder, a rotor, a spring and a rear baffle, wherein the stator, the main coil, the piston, the air cylinder, the rotor, the spring and the rear baffle are arranged in the shell, and the rotor is provided with a permanent magnet. The linear compressor is characterized in that the rotor is further provided with an auxiliary coil, the auxiliary coil is used for selectively overlaying or counteracting the intensity of a magnetic field produced by the main coil, and the efficiency and reliability of the linear compressor are improved.

Method for adjusting volume of air cylinders of linear compressor based on top dead center control

Abstract: The invention provides a method for adjusting the volume of air cylinders of a linear compressor based on top dead center control The linear compressor comprises a shell and pistons, the air cylinders, rotors, springs and a rear baffle which are arranged in the shell, and further comprise a driving mechanism used for driving the rear baffle to move in the shell; and the specific adjusting method comprises the following steps of 1, detecting a top dead center state, wherein piston stroke X of the linear compressor is gradually increased or reduced, when the change trend of resonance frequency f is changed, the linear compressor reaches the top dead center state, and the initial piston stroke X0 is recorded when the linear compressor is in the top dead center state; and 2, adjusting the volume of the air cylinders, wherein when the real-time piston stroke Xt is less than X0, the driving mechanism drives the rear baffle to move towards the direction close to the air cylinders, and when the real-time piston stroke Xt is larger than X0, the driving mechanism drives the rear baffle to move towards the direction far away from the air cylinders According to the adjusting method, the reliability and the efficiency of the linear compressor are improved, and the energy consumption is reduced

Volume adjustable linear compressor and control method thereof

Abstract: The invention provides a volume adjustable linear compressor and a control method thereof. The volume adjustable linear compressor comprises a shell, a stator, a piston, an air cylinder, a rotor, a spring and a rear baffle and also comprises a magnetic assembly; the stator, the piston, the air cylinder, the rotor, the spring and the rear baffle are arranged in the shell; the magnetic assembly comprises a first magnetic part and a second magnetic part; the first magnetic part is fixed relative to the shell; the second magnetic part can rotate along with the rotor; and a magnetic force generated between the first magnetic part and the second magnetic part is used for regulating a position where the rotor is in a force balancing state. The reliability of the linear compressor is improved.

Controlling method for air cylinder volume changing of linear compressor

Abstract: The invention provides a controlling method for air cylinder volume changing of a linear compressor. The linear compressor comprises a shell, a stator, a main coil, a piston, an air cylinder, a rotor, a spring and a rear baffle, wherein the stator, the main coil, the piston, the air cylinder, the rotor, the spring and the rear baffle are arranged in the shell. A permanent magnet is arranged on the rotor. The controlling method for the air cylinder volume changing of the linear compressor is characterized in that the rotor is further provided with a secondary coil, and the secondary coil is used for selectively overlaying or offsetting magnetic field strength generated by the main coil; and the controlling method comprises the first step of detecting an upper dead point and the second step of adjusting the cylinder volume. According to controlling method for the air cylinder volume changing of the linear compressor, efficiency and reliability of the linear compressor are improved.