TWI621817B - An air purifier - Google Patents

Abstract

The present invention relates to an air cleaner comprising: a base for ejecting airflow, comprising: a plurality of axial fans connected in series; a pedestal airflow inlet; a screen; and a pedestal airflow outlet; and a nozzle The nozzle is mounted on the base and includes: a nozzle airflow inlet; and a nozzle airflow outlet.

Description

Air purifier

The present invention relates to an air purifier, especially an air purifier using an axial flow fan for increasing static pressure and reducing air volume loss caused by filter pressure loss.

Generally, the air purifier uses an axial fan, but the axial fan anti-filter has a poor pressure loss. After the filter has a pressure loss, the clean air volume will be reduced and needs to be solved.

The main purpose of the present invention is to provide an air purifier, especially an air purifier using an axial flow fan for increasing the static pressure and reducing the air volume loss caused by the filter pressure loss.

In order to achieve the above objective, the air purifier of the present invention is a generalized implementation, comprising: a base having: a plurality of axial fans connected in series to increase static pressure and reduce air volume loss caused by filter pressure loss; a gas inlet inlet for the inlet of the suction airflow; a filter screen; and a pedestal airflow outlet for the outlet of the blasting airflow; and a nozzle, the nozzle being mounted on the pedestal, the nozzle being linear in front view, having a nozzle airflow inlet, located in the nozzle, is an opening for receiving the jet airflow of the base; a nozzle airflow outlet is located at the nozzle, which is a smaller opening than the nozzle airflow inlet, and is based on Bernoulli's principle. a small opening of the nozzle airflow inlet can increase the airflow speed for ejecting the airflow; a first wall end; a second wall end, the first wall end engaging a first closing surface, the second wall end engaging a second closing surface for preventing airflow; and a Coanda surface adjacent to the nozzle air outlet for The Coanda effect is generated to increase the overall flow of the final output airflow.

In order to achieve the above object, another broad implementation of the air purifier of the present invention includes: a pedestal having: a plurality of axial fans in series for increasing static pressure and reducing air volume loss caused by filter pressure; a pedestal airflow inlet for the inlet of the suction airflow; a screen; and a pedestal airflow outlet for the outlet of the blasting airflow; and a nozzle mounted on the pedestal, the nozzle being annular when viewed from the front The utility model has a nozzle airflow inlet, an opening at the nozzle for receiving the jet airflow of the base, and a nozzle airflow outlet located at the nozzle, which is a smaller opening than the nozzle airflow inlet, and a Bernoulli's principle. Compared with the opening of the nozzle airflow inlet, the airflow speed can be increased to eject the airflow; a first wall end; a second wall end, the first wall end is joined to the second wall end for airflow, and the nozzle is formed into a ring Hollow, most of the central area is hollow, which can be circulated by light and airflow; and a Coanda surface, close to the nozzle airflow outlet, for production Coanda effect (Coanda effect) increase the final output airflow overall traffic.

10, 13, 20, 23‧‧‧ Air Purifier

11, 14, 21, 24‧‧‧ Pedestal

12, 15, 18, 19, 22‧ ‧ nozzle

25a-25b‧‧‧Two nozzles

110a-110b, 140a-140b, 210a-210b, 240a-240b‧‧‧ series two axial fans

111, 141, 211, 241‧‧ ‧ pedestal air inlet

112, 142, 212, 242‧‧‧ pedestal air outlet

113, 143, 213, 243‧‧ ‧ filter

121, 151, 181, 191, 221, 251‧‧ ‧ nozzle air inlet

122, 152, 182, 192‧‧‧ nozzle air outlet

123, 153, 183, 193, 223‧‧‧ first wall end

124, 154, 184, 194, 224‧‧‧ second wall end

125, 225‧‧‧ first closed face

126, 226‧‧‧ second closed surface

127, 157, 187, 197, 227‧‧ ‧ Coanda surface

160‧‧‧Axial fan

161‧‧‧Axial fan airflow outlet

162‧‧‧Axial fan air inlet

163‧‧‧Axial fan blades

164‧‧‧Axial fan motor

170‧‧‧Inline two axial fans

171a-171b‧‧‧Inline two axial fan airflow outlets

172a-172b‧‧‧Inline two axial fan airflow inlets

173a-173b‧‧‧Inline two axial fan blades

174a-174b‧‧‧Inline two axial fan motors

222a-222b‧‧‧Two nozzle airflow outlet spaces

252a-252b‧‧‧Two nozzle airflow outlets

253a-253b‧‧‧Two first wall ends

254a-254b‧‧‧Two second wall ends

257a-275b‧‧‧Two Coanda surfaces

Fig. 1 is a schematic view showing an embodiment of a linear nozzle when the air cleaner is facing the front view.

Fig. 2 is a schematic view showing an embodiment of the annular nozzle when the air cleaner is in front of the present invention.

Figure 3 is a schematic view of an embodiment of the axial flow fan of the present invention.

Figure 4 is a schematic view of an embodiment of two axial flow fans connected in series.

Figure 5 is a plot of air volume and static pressure.

Figure 6 is a schematic view of an embodiment of a slit nozzle in a tapered region of the present invention.

Figure 7 is a schematic view of an embodiment of a slit nozzle in the distance region of the present case.

Figure 8 is a schematic diagram of a plurality of spatial embodiments of the nozzle of the present invention.

Figure 9 is a schematic illustration of a plurality of nozzle embodiments of the present invention.

Some embodiments embodying the features and advantages of the present invention are described in detail in the following description. It should be understood that the present invention can be varied in different aspects without departing from the scope of the present invention, and the description and drawings are for illustrative purposes, and are not structurally limiting.

In one aspect, please refer to FIG. 1 . FIG. 1 is a schematic view showing an embodiment of the linear nozzle in the case of the air cleaner of the present invention. As can be seen from FIG. 1 , an air cleaner 10 includes: a base 11 having a series of two axial fans 110a-110b for drawing inflow and jetting air; a pedestal inlet 111 for inlet as a suction stream; a screen 113; and a pedestal outlet 112 for As the outlet of the jet stream; and a nozzle 12, the nozzle 12 is mounted on the base 11, the nozzle 12 is linear in front view, and has a nozzle air inlet 121 located at the nozzle 12 as an opening for receiving the base The jet stream of the air outlet 112; a nozzle air outlet 122, located at the nozzle 12, is a smaller opening than the nozzle air inlet, and the Bernoulli's principle, which is smaller than the nozzle air inlet 121, can increase the air velocity. For ejecting airflow; a first wall end 123; a second wall end 124, the first wall end 123 engaging a first closing surface 125, and the second wall end 124 engaging a second closing surface 126 for blocking airflow Pass; and a Coanda surface (Coanda surface) 127, which is close to the gas flow outlet nozzle 122 for generating a Coanda effect (Coanda effect), the final output stream to increase the overall flow.

In another aspect, please refer to Figure 2, Figure 2 is the air cleaner in front of this case. A schematic diagram of an annular nozzle embodiment, as seen from FIG. 2, an air cleaner 13 includes: a base 14 having: two axial fans 140a-140b connected in series for drawing airflow and jetting airflow; a pedestal airflow inlet 141 for use as an inlet for the suction airflow; a screen 143; and a pedestal airflow outlet 142 for exiting the blasting airflow; and a nozzle 15 mounted on the susceptor 14, the nozzle 15. A circular shape in front view, having: a nozzle air inlet 151, located in the nozzle 15, is an opening for receiving the jet airflow of the pedestal air outlet 142; a nozzle air outlet 152, located at the nozzle 15, is a nozzle a small opening in the airflow inlet, Bernoulli's principle, a smaller opening than the nozzle airflow inlet 151, which can increase the airflow velocity for ejecting the airflow; a first wall end 153; and a second wall end 154, A wall end 153 engages the second wall end 154 for airflow, and the nozzle is annularly hollow, and most of the central portion is hollow, which can be circulated by light and airflow; and a Kangda surface ( Coanda surface 157, which is adjacent to the nozzle airflow outlet 152, is used to create a Coanda effect that increases the overall flow of the final output airflow.

Figure 3 is a schematic view of an axial flow fan embodiment of the present invention. The axial flow fan 160 is configured to take in an air flow and a discharge air flow. The air flow fan has an axial flow fan air outlet 161; an axial flow air flow inlet 162; and an axial flow fan blade. 163; and an axial fan motor 164.

Figure 4 is a schematic view of an embodiment of two axial flow fans connected in series, two axial flow fans 170 connected in series for sucking air flow and discharging air flow having: two axial flow fan air outlets 171a-171b connected in series; Axial fan airflow inlets 172a-172b; two axial fan blades 173a-173b in series; and two axial fan motors 174a-174b in series.

Please refer to Figure 5 for the air volume and static pressure diagrams. Under the same filter pressure loss P, use an air purifier with two axial fans in series to increase the static pressure and reduce the pressure loss of the filter. The amount of airflow is reduced, and the clean air volume Q2 is larger than the clean air volume Q1 of the air cleaner using a single axial fan.

Figure 6 is a schematic view of an embodiment of a slit nozzle in the tapered region of the present invention. The nozzle 18 has a nozzle airflow inlet 181 located at the nozzle 18 as an opening for receiving the jet stream of the turbulent air outlet; The air outlet 182, located at the nozzle 18, is a smaller opening than the nozzle airflow inlet, and has a narrower slit opening than the nozzle airflow inlet 181 to increase the airflow velocity for ejecting the airflow. a first wall end 183; and a second wall end 184; and a Coanda surface 187 that is adjacent to the nozzle airflow outlet 182 for creating a Coanda effect, increasing the overall output airflow overall flow.

Figure 7 is a schematic view of a slit nozzle embodiment of the present embodiment, the nozzle 19 having a nozzle air flow inlet 191 located at the nozzle 19 as an opening for receiving the jet airflow of the pedestal air outlet; The air outlet 192 is located at the nozzle 19 and is a slit opening in the shape of the nozzle which is smaller than the inlet of the nozzle. The Bernoulli's principle, which is smaller than the opening of the nozzle air inlet 191, can increase the air velocity for ejecting the airflow. a first wall end 193; and a second wall end 194; and a Coanda surface 197 that is adjacent to the nozzle airflow outlet 192 for generating a Coanda effect, increasing the overall output airflow overall flow.

In another aspect, please refer to FIG. 8. FIG. 8 is a schematic diagram of a plurality of spatial embodiments of the nozzle of the present invention. As can be seen from FIG. 8, an air cleaner 20 includes: a base 21 having: Two axial fans 210a-210b are connected in series for drawing airflow and jetting airflow; a pedestal airflow inlet 211 is used as an inlet for the suction airflow; a screen 213; and a susceptor gas The outlet port 212 is used as an outlet for the discharge airflow; and a nozzle 22 is mounted on the base 21. The nozzle 22 is linear in front view and has a nozzle airflow inlet 221 located at the nozzle 22 as an opening. The nozzle airflow outlets 222a-222b are located at the nozzles 22, which are smaller than the nozzle airflow inlets, and the Bernoulli's principle is compared with the nozzle airflow inlets. The opening 221 can increase the airflow speed for ejecting the airflow; a first wall end 223; a second wall end 224, the first wall end 223 engages a first closing surface 225, and the second wall end 224 engages a first A closed face 226 for blocking airflow; and a Coanda surface 227 adjacent the nozzle airflow outlet 222a for creating a Coanda effect, increasing the overall flow of the final output airflow.

In the other three aspects, please refer to FIG. 9 , which is a schematic diagram of a plurality of nozzle embodiments of the present invention. As can be seen from FIG. 9 , an air cleaner 23 includes: a base 24 having: a series connection An axial flow fan 240a-240b for drawing in air and a jet stream; a pedestal air inlet 241 for receiving as an intake air stream; a screen 243; and a pedestal air outlet 242 for ejecting air And two nozzles 25a-25b, two nozzles 25a-25b mounted on the base 24, two nozzles 25a-25b, annular in front view, having: two nozzle airflow inlets 251a-251b, located in two The nozzles 25a-25b are an opening for receiving the jet airflow of the base airflow outlet 242; the two nozzle airflow outlets 252a-252b are located at the two nozzles 25a-25b, which are smaller than the nozzle airflow inlet, and are white The Bernoulli's principle, which is smaller than the openings of the two nozzle airflow inlets 251a-251b, can increase the airflow speed for ejecting the airflow; the two first wall ends 253a-253b; and the two second wall ends 254a-254b , two first wall ends 253a-253b Two second engagement end wall 254a-254b, for circulating air flow, the nozzle is also formed as an annular hollow area most central hollow, flow-through light and air; Tat and two Coanda surfaces 257a-257b, which are adjacent to the two nozzle gas outlets 252a-252b, are used to create a Coanda effect that increases the overall flow of the final output gas stream.

The main purpose of the present invention is to provide an air purifier, in particular, an air purifier using an axial flow fan for increasing the static pressure and reducing the air volume loss caused by the filter, and using two in series under the same filter pressure loss. The clean air volume of the air purifier of the axial flow fan is larger than the clean air air volume of the air purifier using a single axial flow fan, and the fan of this case is of great industrial value and is applied according to law.

This case has been modified by people who are familiar with the technology, but it is not intended to be protected by the scope of the patent application.

Claims (10)

An air purifier comprising: a base for ejecting airflow, comprising: a plurality of axial fans connected in series to increase static pressure and reduce air volume loss caused by filter pressure loss; a pedestal airflow inlet; a screen; and a pedestal air outlet; and a nozzle mounted on the pedestal, the nozzle comprising: a nozzle air inlet, an opening for receiving the blasting airflow of the pedestal; and a nozzle air outlet , a small opening that is smaller than the nozzle airflow inlet for ejecting airflow. The air cleaner according to claim 1, wherein the nozzle comprises: a first wall end; a second wall end; a first closing surface, the first wall end engaging the first closing surface, Blocking airflow; and a second closed surface that engages the second closed surface to prevent airflow. The air cleaner according to claim 1, wherein the nozzle comprises: a first wall end; and a second wall end, the first wall end engaging the second wall end for airflow, and forming The nozzle is annular and hollow, and most of the central area is hollow, which can be circulated through light and air. The air purifier according to claim 1, wherein the nozzle comprises: a Coanda surface adjacent to the nozzle airflow outlet for generating a Coanda effect. The air purifier according to claim 1, wherein the nozzle airflow outlet is a tapered region slit for ejecting the airflow. The air purifier according to claim 1, wherein the pedestal airflow inlet may be one or more. The air purifier according to claim 1, wherein the pedestal airflow outlet may be one or more. The air cleaner according to item 1, wherein the nozzle airflow inlet may be one or plural. The air purifier according to claim 1, wherein the nozzle air outlet is partitioned into a plurality of spaces. The air cleaner according to claim 1, wherein the nozzles may be one or plural.