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Automatic debugging device for air conditioner

An automatic debugging and automatic adjustment technology, applied in the field of air conditioning, can solve problems such as errors, time wasting, and errors

Active Publication Date: 2020-04-10
珠海市鹿鸣智慧科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the existing technology, in the product development process, many parameters inside the air conditioner need to be determined by the designer to do a lot of experiments. For example, if the system designer needs to determine the length of the throttling capillary, he needs to prepare multiple capillaries of different lengths, and replace one each time. Based on testing a set of data, if the system designer needs to determine the amount of refrigerant filling, each set of data needs to be tested under different refrigerant filling amounts. These debugging processes usually require manual adjustment by the designer, and each adjustment process will waste a lot of time. , and prone to error
[0003] For the prior art, when the system designer wants to determine the final refrigerant filling amount of the system, he needs to manually fill or discharge the refrigerant, which is a waste of time and has the problem of error
[0004] In view of the prior art, when the system designer wants to determine the capillary length, he needs to manually replace capillary tubes of different lengths for group testing, which has the problem of wasting time

Method used

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  • Automatic debugging device for air conditioner
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  • Automatic debugging device for air conditioner

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The automatic refrigerant adjustment of the present invention comprises the following steps:

[0018] Taking the automatic adjustment experiment of a fixed-frequency 1.5P air conditioner refrigerant as an example, the automatic adjustment of refrigerant includes the following steps:

[0019] (1) Set the initial amount of refrigerant for debugging as 0.8kg, the target amount as 1.2kg and the adjustment step as 0.05kg;

[0020] (2) The host control unit issues control commands;

[0021] (3) The laboratory control device controls the experiment to adjust to the nominal refrigeration working condition, that is, the dry bulb temperature outside the laboratory is 35 degrees, the dry bulb temperature of the indoor side air inlet is 27 degrees, and the voltage is 220V. After reaching the working condition of the debugging target, enter the next step;

[0022] (4) The control device of the main unit of the air conditioner controls the opening of the main unit of the air conditi...

Embodiment 2

[0030] Taking the automatic adjustment experiment of a fixed-frequency 1.5P air-conditioning refrigerant as an example, the automatic adjustment of the electronic expansion valve of the present invention includes the following steps:

[0031] (1) Set the initial opening of the electronic expansion valve of the debugging target to 20, the target opening to 300 and the adjustment step to 20;

[0032] (2) The host control unit issues control commands;

[0033] (3) The laboratory control device controls the experiment to adjust to the nominal refrigeration working condition, that is, the dry bulb temperature outside the laboratory is 35 degrees, the dry bulb temperature of the indoor side air inlet is 27 degrees, and the voltage is 220V. After reaching the working condition of the debugging target, enter the next step;

[0034] (4) The control device of the air conditioner main engine controls the opening of the air conditioner main engine and the automatic adjustment device of th...

Embodiment 3

[0043] The present invention can also be used in combination of the two modes of implementation case 1 and implementation case 2, that is, the electronic expansion valve and the linkage adjustment of the refrigerant filling amount, the steps are similar to the implementation case 1 and implementation case 2, the difference is that the linkage adjustment mode can test different refrigerants The data under the two variables of filling volume and different electronic expansion valve steps are used to evaluate the optimal refrigerant filling volume and electronic expansion valve steps.

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PUM

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Abstract

The invention discloses an automatic debugging device for an air conditioner. Through an experimental data conversion device, data such as performance and energy efficiency ratio which are tested by an enthalpy difference laboratory can be extracted, and the data correspond to the refrigerant amount of an automatic refrigerant adjusting device and the step number of an expansion valve of an automatic expansion valve opening adjusting testing device to determine the optimal refrigerant filling amount and the optimal step number of the electronic expansion valve. The refrigerant filling amount and the step number of the electronic expansion valve can be automatically adjusted according to a designed experiment; and through automatic testing, parameters such as the refrigerating capacity or the energy efficiency ratio can be obtained, and the optimal filling amount and the optimal step number of the expansion valve are determined.

Description

technical field [0001] The invention relates to the technical field of air conditioners, in particular to an automatic adjustment device for air conditioners. Background technique [0002] In the existing technology, in the product development process, many parameters inside the air conditioner need to be determined by the designer to do a lot of experiments. For example, if the system designer needs to determine the length of the throttling capillary, he needs to prepare multiple capillaries of different lengths, and replace one each time. Based on testing a set of data, if the system designer needs to determine the amount of refrigerant filling, each set of data needs to be tested under different refrigerant filling amounts. These debugging processes usually require manual adjustment by the designer, and each adjustment process will waste a lot of time. , and is prone to errors. [0003] In view of the prior art, when the system designer wants to determine the final refri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B41/06F25B49/00F25B45/00F25B41/34
CPCF25B49/00F25B45/00F25B41/31Y02B30/70
Inventor 陈华康
Owner 珠海市鹿鸣智慧科技有限公司
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