A metal hydride detection device, air conditioner and detection method
A detection device and hydride technology, which is applied in the direction of heating method, material electrochemical variable, space heating and ventilation, etc., can solve problems such as change, increased use cost, and metal hydride pulverization
Active Publication Date: 2021-03-16
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
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Problems solved by technology
After the metal hydride absorbs / releases hydrogen repeatedly, the unit cell structure of the hydride changes, which leads to the problem of pulverization of the metal hydride, and during the transportation of hydrogen, the pulverized metal hydride powder may be When hydrogen is carried into the electrochemical compressor, the powder accumulated for a long time will block the gas diffusion layer and the catalytic layer, reducing the working efficiency of the electrochemical compressor, resulting in the need to replace parts and increasing the cost of use
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[0018] The following description and drawings illustrate specific embodiments of the invention sufficiently to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely represent possible variations. Individual components and functions are optional unless explicitly required, and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of embodiments of the present invention includes the full scope of the claims, and all available equivalents of the claims. Herein, various embodiments may be referred to individually or collectively by the term "invention", which is for convenience only and is not intended to automatically limit the scope of this application if in fact more than one invention is disclosed. A single invention or inventive concept. Herein, relational terms such...
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The invention discloses a metal hydride detecting device, an air conditioner and a detection method, belonging to the technical field of air conditioners. The metal hydride detecting device comprisesa sensing electrode and a controller, wherein the sensing electrode is configured at the detecting part of an electrochemical compressor; and the controller is electrically connected with the sensingelectrode and is used for detecting the potential of the sensing electrode, determining the pH value of the detecting part according to the situation of the potential and determining the amount of accumulation of metal hydride at the detecting part according to the pH value. Based on the property that metal hydride is changed in the pH value after reaction with water, the detecting device of the invention detects the changes of the pH value of the detecting part in the electrochemical compressor so as to determine whether metal hydride accumulates in the electrochemical compressor, and thus, the electrochemical compressor can be repaired and maintained in time when the accumulation of metal hydride is too great.
Description
technical field [0001] The invention relates to the technical field of air conditioners, in particular to a metal hydride detection device, an air conditioner and a detection method. Background technique [0002] At present, electrochemical compressor technology has been gradually applied in the field of air conditioning technology. The principle of electrochemical compressor is: by using a pump to make protons pass through the ion exchange membrane between two gas diffusion electrodes, these protons will drive non- The fluorine refrigerant passes through the ion exchange membrane; after the refrigerant reaches the other side of the membrane, it is released at high pressure and enters the refrigeration cycle. In the air-conditioning structure using electrochemical compressors, hydrogen is mostly used as the cooling medium, and metal hydrides are filled into the heat exchanger. Metal hydrides have the characteristics of hydrogen absorption and heat release and hydrogen releas...
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IPC IPC(8): G01N27/26F24F11/00
CPCG01N27/26
Inventor 王美术朱百发
Owner QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD