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Control device for compressor

A control device and compressor technology, which is applied in the field of compressor control devices, can solve the problems of general products without structure, achieve the effects of simplification of loop circuit composition, wide use value, and reduction of production cost

Inactive Publication Date: 2008-08-27
TAIZHOU LG ELECTRONICS REFRIGERATOR CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0017] In order to solve the problems existing in the control device of the above-mentioned compressor, the relevant manufacturers have tried their best to find a solution, but no suitable design has been developed for a long time, and there is no suitable structure for general products to solve the above-mentioned problems. This is obviously a problem that relevant industry players are eager to solve

Method used

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  • Control device for compressor
  • Control device for compressor
  • Control device for compressor

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Embodiment Construction

[0035] The specific implementation, structure, features and functions of the compressor control device according to the present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments.

[0036] see image 3Shown is the schematic circuit diagram of the control device of the compressor of the present invention. As shown in the figure, the control device of the compressor in the preferred embodiment of the present invention includes: a power supply part 21 that outputs a certain voltage to the motor when the main switch 20 is turned on; Then select the relay 22 that supplies a certain voltage, and when starting the motor, make the phase of the current supplied by the above-mentioned relay 22 accelerate and then output the starting capacitor CS, and when starting and running the motor after starting, the phase of the current supplied by the above-mentioned relay 22 is accelerated. After that, the running capacitor CR, whic...

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Abstract

This invention relates to a compressor control device, which comprises the following parts: power part, a relay to receive voltage and supply it through one selection on or off switch from the power; staring capacitor to start motor to quicken the current phase through relay for output; operation capacitor to quicken the current phase for output through relay after starring motor; first electric gate; motor compressor and one second electric gate.

Description

technical field [0001] The present invention relates to a control device for a compressor, in particular to a compressor that can switch the rotation direction of the compressor by switching the connection point when the compressor rotates in the forward / reverse direction only by using one relay. Control device (APPARATUS FOR CONTROLLING COMPRESSOR). Background technique [0002] Usually, the motor of the compressor of the refrigerator is a one-way induction motor. Therefore, in order to start the above-mentioned one-way induction motor, in addition to the main coil for operation, an auxiliary coil for starting must also be provided. [0003] That is, power is supplied to its auxiliary coil at start-up until the motor is sufficiently accelerated. After reaching a certain speed, the auxiliary coil will be cut off, and the normal operation of the motor will be maintained. [0004] Here, the reason for cutting off the current flowing in the auxiliary coil is because the curre...

Claims

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Application Information

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IPC IPC(8): F25B49/02
Inventor 金太秀
Owner TAIZHOU LG ELECTRONICS REFRIGERATOR CO LTD
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