Photoelectric smoke detector special for permeation type kitchen
A photoelectric smoke and penetrating technology, which is applied in the direction of instruments, alarms, fire alarms, etc., can solve problems such as interruption of cooking, achieve the effect of reducing false alarms, reducing the probability of false alarms, and prolonging the normal service life
Inactive Publication Date: 2018-08-31
绵阳涪泽恩达科技有限公司
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Problems solved by technology
The life of families in Southwest my country often requires heavy oil to stir-fry food. After the oil is heated, the moment the food is exposed to high-temperature oil, this often causes short-term dense smoke, and the photoelectric smoke device often has a delay. Time function, so this kind of phenomenon often does not cause false alarms, but we observed that with the increase of use time, even photoelectric smoke devices with delay function will often send out alarm signals, so we found a special The phenomenon, that is, the newly installed photoelectric smoke device will not cause an alarm when the smoke is generated instantly, but as time accumulates, the oily fume produced by the same cooking will often cause an alarm, and once the alarm occurs, the gas supply valve will be cut off immediately , which often causes interruption of cooking, this false alarm phenomenon often occurs in photoelectric smokers that have been used for more than 2 years
Method used
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Embodiment 1
[0033] like Figure 1-Figure 5 As shown, the permeable photoelectric smoke detector for kitchen includes an outer casing 1 and a chassis 7 arranged in the outer casing. Both the smoke hood 2 and the inner smoke collection cover 3 are circular truncated hollow sleeves, the inner smoke collection cover 3 is located in the outer smoke collection hood 2, and the large-diameter end of the outer smoke collection hood 2 is installed on the chassis 7, and the inner smoke collection cover The small diameter end of cover 3 is installed on the chassis 7,
[0034] The small-diameter end of the outer smoke collection hood 2 is sleeved on the large-diameter end of the inner smoke collection sleeve 3 in a zero-gap manner. The inner smoke collection sleeve 3 is provided with an oil discharge hole 31, and the oil discharge hole 31 is located in the inner One end of the inner wall of the smoke collection sleeve 3 is the inner end, the end of the oil discharge hole 31 located on the outer wall ...
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The invention discloses a photoelectric smoke detector special for a permeation type kitchen, comprising an outer shell and a chassis arranged in the shell body, wherein the chassis is provided with an outer collecting sleeve and an inner smoke collecting sleeve; the outer collecting sleeve and the inner smoke collecting sleeve are all round table-shaped hollow sleeves. The inner smoke collectingsleeve is positioned in the outer collecting box. The large-caliber end of the outer collecting sleeve is arranged on the chassis; the small-caliber end of the inner smoke-collecting cover is sleevedon the chassis. The small-caliber end of the outer smoke-collecting cover is sleeved on the large-caliber end of the inner current-collecting sleeve in a zero-clearance manner. An oil discharging holeis arranged on the inner current-collecting sleeve. One end of the oil discharging hole at the inner wall of the inner current-collecting sleeve is an inner end, and another end of the outer wall ofthe inner current-collecting sleeve is an outer end. The direction of the inner end pointing to the outer end is inclined downward. Compared with the prior art, the detector has the advantages and beneficial effects that the false alarm probability can be effectively reduced, and the normal service life of the photoelectric smoke detector can be prolonged.
Description
technical field [0001] The invention relates to the field of smoke sensing equipment, in particular to a permeable photoelectric smoke detector for kitchens. Background technique [0002] The photoelectric smoke sensor measures the concentration of smoke through a beam of light and a light sensor. When the device is designed, the light beam deviates from the light sensor. When the smoke enters the sensing chamber, the smoke ions will scatter part of the light beam to On the light sensor, when the smoke concentration increases, more light beams will be scattered to the light sensor, and when enough light beams are sensed, an alarm message will be issued. [0003] The layout of the existing photoelectric smoke sensor is to arrange the emitting lamp and the photosensitive head on the chassis at the same time. Therefore, the emitting lamp and the photosensitive head are very close to the surface of the chassis. Some special structures are often used to gather the smoke, and then...
Claims
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Login to View More IPC IPC(8): G08B17/107
CPCG08B17/107
Inventor秦海军
Owner绵阳涪泽恩达科技有限公司