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Sampling control method and device and air conditioner

A control method and technology of a control device, applied in heating and ventilation control systems, heating methods, space heating and ventilation, etc., can solve problems such as sampling signal errors

Active Publication Date: 2021-08-20
NINGBO AUX ELECTRIC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a sampling control method, device and air conditioner to solve the problem of sampling signal errors in the prior art when the load of the external unit controller is turned off

Method used

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  • Sampling control method and device and air conditioner
  • Sampling control method and device and air conditioner
  • Sampling control method and device and air conditioner

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Embodiment Construction

[0046] In order to make the above objects, features and advantages of the present invention more comprehensible, specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0047] As mentioned in the background technology, in the prior art, when the load of the external machine controller is turned off, the power supply for the load of the external machine controller is actually cut off. At this time, the load of the external machine controller is in a suspended state, and there may be sampling signal errors The problem.

[0048] In view of this, the present application provides a sampling control method, by controlling the load circuit to be in a low power consumption state when receiving a shutdown command, and at the same time stopping sampling the load circuit to ensure that no Error signal, thereby ensuring that there will be no false alarms for IPM module protection or overcurrent.

[0049] It should b...

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PUM

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Abstract

The invention provides a sampling control method and device and an air conditioner, and relates to the technical field of sampling. The sampling control method is applied to an MCU of a master control system, wherein the master control system further comprises a load circuit, a switch assembly and a first power source, the switch assembly is electrically connected with the load circuit and the first power source, the MCU is electrically connected with the load circuit and the switch assembly; and when a shutdown instruction is received, the switch assembly is controlled to be cut off, so that connection between the load circuit and the first power supply is cut off so as to stop sampling of the load circuit until a startup instruction is received again. The sampling control method and device and the air conditioner provided by the invention have the beneficial effects that the situation that IPM protection is misreported or overcurrent or the like is caused is avoided, and the user experience feeling is improved.

Description

technical field [0001] The invention relates to the technical field of sampling, in particular to a sampling control method, device and air conditioner. Background technique [0002] For inverter air conditioners powered by external units, in order to save power, the load of the external unit controller will be turned off when the user shuts down the unit to reduce standby power consumption. [0003] However, when the load of the external controller is turned off, the power supply for the load of the external controller is actually cut off. At this time, the load of the external controller is in a suspended state, and there may be sampling signal errors, which may lead to false alarms of IPM (Intelligent Power Module, Intelligent power module) Module protection or overcurrent and other phenomena affect user experience. [0004] To sum up, in the prior art, when the load of the external machine controller is turned off, the problem of sampling signal error may occur. Conte...

Claims

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Application Information

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IPC IPC(8): F24F11/30F24F11/56F24F11/64F24F11/65F24F11/88
CPCF24F11/30F24F11/56F24F11/64F24F11/65F24F11/88
Inventor 黄宁张光经李家质
Owner NINGBO AUX ELECTRIC