Detection circuit and method for electric heater, electric heating system

A technology of electric heaters and detection circuits, which is applied in the directions of instruments, measuring electricity, measuring devices, etc., can solve the problems of inability to monitor the operation of electric heaters, and achieve the effect of accurate acquisition.

Active Publication Date: 2018-05-18
GREE ELECTRIC APPLIANCES INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the problem of being unable to monitor the operation of the electric heater in the related art, no effective solution has been proposed so far. Therefore, the main purpose of the present invention is to provide a detection circuit and method for the electric heater, and an electric heating system. to solve the above problems

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  • Detection circuit and method for electric heater, electric heating system
  • Detection circuit and method for electric heater, electric heating system
  • Detection circuit and method for electric heater, electric heating system

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Embodiment Construction

[0019] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0020] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...

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Abstract

The invention discloses a detection circuit and method for an electric heater and an electric heating system. Wherein, the detection circuit includes: a current detector, connected between the power supply and the heating wire of the electric heater, for detecting the first current; a current transformer, connected with the heating wire, for detecting the second current of the heating wire; The processor is respectively connected with the current detector and the current transformer, and is used for determining the operating state of the electric heater according to the first current and the second current. The present invention solves the problem in the prior art that the operation status of the electric heater cannot be monitored, and realizes the effect of accurately obtaining the operation status of the electric heater.

Description

technical field [0001] The invention relates to the field of electric heater control, in particular to a detection circuit and method for the electric heater, and an electric heating system. Background technique [0002] At present, there is no monitoring device used in the operation of the electric heater. Since the operating status of the electric heater cannot be monitored, the failure judgment of the electric heater cannot be realized, and an appropriate response cannot be made to protect the machine when the machine fails. User Safety. [0003] For the problem in the prior art that the operation of the electric heater cannot be monitored, no effective solution has been proposed so far. Contents of the invention [0004] Aiming at the problem of being unable to monitor the operation of the electric heater in the related art, no effective solution has been proposed so far. Therefore, the main purpose of the present invention is to provide a detection circuit and method...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/02
Inventor 杨波黄辉宋德超李和辉罗健全李维维李坚明
Owner GREE ELECTRIC APPLIANCES INC
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