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Temperature control method and system

A temperature control method and technology of a temperature control system, which are applied in the direction of using electric means for temperature control, auxiliary controllers with auxiliary heating devices, etc., can solve continuous noise, power waste, and increase the difficulty of noise control of photovoltaic inverters and other problems to achieve the effect of avoiding continuous opening and reducing energy consumption

Inactive Publication Date: 2020-01-14
SHANGHAI ELECTRIC FUJI ELECTRIC POWER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the fan runs continuously, resulting in waste of electricity;
[0005] (2) The continuous operation of the fan will emit continuous noise, which will increase the difficulty of noise control of the photovoltaic inverter

Method used

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Embodiment Construction

[0053] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0054] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0055] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0056] A temperature control method for a photovoltaic inverter, characterized in that a temperature acquisition...

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Abstract

The invention relates to the field of photovoltaic inverter control, in particular to a temperature control method and system. The method is used for a photovoltaic inverter, and is characterized in that the temperature control method comprises a first process of controlling a fan: A1, a control module judges whether the temperature is increased or not in real time, if so, the step A2 is executed,and if not, the step A1 is executed; A2, the control module judges whether the currently collected temperature is smaller than a preset first temperature threshold value or not, if so, the control module sends a first control signal to a fan control module, and then, the step A3 is executed, and if not, the control module sends a second control signal to the fan control module, and then, the stepA3 is executed; and A3, the fan control module judges the received control signal, and if the first control signal is received, the fan is controlled to be turned off, and if the second control signal is received, the fan is controlled to be turned on. The technical scheme has the beneficial effects that the fan is prevented from being continuously on, and the energy loss is reduced.

Description

technical field [0001] The invention relates to the field of photovoltaic inverter control, in particular to a temperature control method and system. Background technique [0002] In the photovoltaic inverter, fans are required to dissipate heat in order to achieve the purpose of temperature control. The existing temperature control method is that the fan runs continuously to control the temperature at a stable level. [0003] However, if the fan is continuously running, the following problems will occur: [0004] (1) Because the operating temperature of the photovoltaic inverter is affected by various factors such as the ambient temperature and the operating state of the inverter, the inverter temperature does not need to be controlled all the time. In the prior art, the fan runs continuously, resulting in waste of electricity; [0005] (2) The continuous operation of the fan will emit continuous noise, which will increase the difficulty of noise control of the photovolt...

Claims

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Application Information

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IPC IPC(8): G05D23/30
CPCG05D23/30
Inventor 陈光
Owner SHANGHAI ELECTRIC FUJI ELECTRIC POWER TECH CO LTD
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