Air inlet box device of ventilator
A technology for ventilators and air intake boxes, which is applied to pump devices, parts of pumping devices for elastic fluids, mechanical equipment, etc. It can solve problems such as mutual interference, difficult installation and disassembly, and unstable inlet airflow, and achieve gas The effect of uniform density and easy circulation
Inactive Publication Date: 2016-10-12
SHANGHAI GENERAL FAN
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Problems solved by technology
However, the airflow of the ordinary air intake box often interferes with each other at the inlet of the collector, and the inlet airflow is unstable, resulting in a decline in performance and weakened stability of the whole machine, especially for small airflows.
At the same time, the existing pipe connection structure between the air intake box and the user is not easy to install and disassemble, and it is inconvenient to maintain
Method used
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[0027] 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.
[0028] 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.
[0029] 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.
[0030] Such as Figure 1-5 Shown, a kind of intake box device of ventilator, comprises:
[0031] A first side ...
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The invention discloses an air inlet box of a ventilator. The air inlet box comprises a first side plate, an air outlet end, a second side plate, a first surrounding plate and an air inlet end. The first side plate is formed by combining a first sector and a first isosceles trapezoid, the first sector is located at the upper portion of the first side plate, the first isosceles trapezoid is located at the lower portion of the first side plate, and the first side plate is perpendicular to the horizontal plane. The air outlet end is formed in the first side plate, the axial direction of the air outlet end is parallel to the horizontal plane, and the air outlet end is used for being connected with a pipeline. The second side plate is formed by combining a second sector and a second isosceles trapezoid, the second sector is located at the upper portion of the second side plate, the second isosceles trapezoid is located at the lower portion of the second side plate, the second side plate inclines towards the first side plate by the preset angle, and the top end of the second side plate is lower than the top end of the first side plate. The first surrounding plate is arranged between the first side plate and the second side plate in a surrounding manner. The air inlet end is arranged on the first surrounding plate, located at the bottom end of the first side plate and the bottom end of the second side plate and used for being connected with the ventilator.
Description
technical field [0001] The invention relates to the field of ventilators, in particular to an air intake box device of a ventilator. Background technique [0002] The air intake box is a very important part of the centrifugal fan. It can change the flow direction of the medium and meet various intake angles, which has an important impact on the performance of the centrifugal fan. However, the airflow of the ordinary air intake box often interferes with each other at the inlet of the collector, and the inlet airflow is unstable, resulting in performance degradation and weakened stability of the whole machine, especially for small airflows. At the same time, the existing pipeline connection structure between the air intake box and the user is not easy to install and disassemble, and is inconvenient to maintain. Contents of the invention [0003] Aiming at the above-mentioned problems existing in the existing air intake box, an air intake box device aiming at realizing a ven...
Claims
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IPC IPC(8): F04D25/08F04D29/00F04D29/44
CPCF04D25/08F04D29/002F04D29/441
Inventor 龚驰丞陆伟安界宁朱兰岚
Owner SHANGHAI GENERAL FAN