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250results about How to "Reduce heating capacity" patented technology

Air-conditioner internal and external unit cleaning method

The invention discloses an air-conditioner internal and external unit cleaning method. The method comprises the steps that an indoor heat exchanger is controlled to enter a frosting mode; operation frequency of an air-conditioner, the opening degree of a throttling device and the rotating speed of an indoor fan are adjusted to enable evaporating temperature of the indoor heat exchanger to be kept within the preset range and the surface of the indoor heat exchanger to be frosted; frosting of the indoor heat exchanger lasts for time t1, later, frequency of a compressor is reduced, a four-way valve is controlled to be reversed, an outdoor heat exchanger enters a frosting mode, and meanwhile, the indoor heat exchanger is defrosted; the operation frequency of the air-conditioner, the opening degree of the throttling device and the rotating speed of an outdoor fan are adjusted, the evaporation temperature of the outdoor heat exchanger is kept within the preset range, and the surface of the outdoor heat exchanger is frosted; frosting of the outdoor heat exchanger lasts for time t2, the compressor is controlled to be shut down, and the indoor fan and the outdoor fan are kept starting until cleaning is completed. According to the air-conditioner internal and external unit cleaning method, the problem that in the prior art, the surface of the heat exchanger is cleaned through condensate water, and the effect is poor can be solved.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD

Vertical geometry light emitting diode package aggregate and production method of light emitting device using the same

There are provided a vertical geometry light emitting diode package aggregate useful for the production of a light emitting device having a vertical geometry light emitting diode as the light source, the light emitting device satisfying requirements in terms of current capacity flowed for light emission, dissipation of heat generated due to flow of a large current, resistance to thermal stress, strength of device and light emission efficiency, and a method for producing a light emitting device having a vertical geometry light emitting diode as the light source by using the package aggregate. The vertical geometry light emitting diode package comprises a metal sheet having formed thereon a number of vertical geometry light emitting diode package units, each package unit comprising two or more substrate portions as a part of the metal sheet, which are separated by a slit, and a reflector having a penetrating opening and being adhered to the two or more substrate portions to cover parts of the slit such that the vertical geometry light emitting diode-mounting position is exposed in the inner side of the opening and at the same time, the end part of the slit is exposed in the outer side of the reflector.
Owner:CI KASEI COMPANY
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