TWI693111B - Gas circulation device - Google Patents

Abstract

A gas circulation device includes a body, a housing, two suction channels, at least one air supply duct, and at least one exhaust duct. The body includes a lower layer and an upper layer. The lower layer has a jet chamber, two lower suction chambers, a jet port unit connected to the jet chamber, and two suction port units connected to the respective lower suction chambers. The upper layer has an upper suction chamber. The shell covers the body. Each suction channel is defined by the body and the casing, and communicates with the respective lower suction chamber and the upper suction chamber. The at least one air supply duct communicates with the jet chamber. The at least one exhaust air pipe communicates with the upper suction chamber. In this way, the upper suction chamber is used to maintain the suction pressure to achieve the effect of improving dust removal and purifying air.

Description

Gas circulation device

The invention relates to a gas circulation device, in particular to a gas circulation device for dust removal and air purification.

Referring to FIGS. 1, 2 and 3, a conventional gas circulation device 1 disclosed in Taiwan Patent No. I321498 includes a body 11, a supply air duct 12, and two exhaust air ducts 13. The body 11 includes a jet chamber 111 extending along a length direction of the body 11, two suction chambers 112 located on both sides of the jet chamber 111 and extending along the length direction, extending upward and communicating from the bottom surface of the body 11 A straight-line jet port 113 in the jet chamber 111 extends upward from the bottom surface of the body 11 and communicates with the respective suction chamber 112 and has two rectilinear intake ports 114 and a downward direction from the top surface of the body 11 It extends and communicates with the four exhaust ports 115 of the corresponding suction chamber 112 and an air supply end 116. The air supply duct 12 is connected to the air supply end 116 and communicates with the jet chamber 111. Each exhaust air duct 13 is connected to the top surface of the body 11 and communicates with the corresponding exhaust port 115 and with the suction chambers 112.

The gas circulation device 1 is suitable for connecting a blower (not shown) to remove dust (not shown) on a to-be-dedusted object (not shown). When the blower is connected to the air supply duct 12, air is blown into the jet chamber 111 and then jetted out from the jet port 113 to blow off the dust on the object to be dedusted, and then the flying dust is blown out through the intake ports 114 It is attracted to each suction chamber 112, and finally, is discharged through the exhaust ducts 13 through the exhaust ports 115.

However, since the suction chambers 112 are located on both sides of the jet chamber 111, without increasing the width of the body 11, the volume sizes of the suction chamber 112 and the jet chamber 111 are limited to each other. As for the shortcomings of the jet chamber 111, the jet pressure is insufficient, or the suction effect of the suction chamber 112 is not good.

Therefore, the object of the present invention is to provide a gas circulation device that improves the effect of dust removal and air purification.

Therefore, the gas circulation device of the present invention includes a body, a housing, two suction channels, at least one air supply duct, and at least one exhaust duct. The body includes a lower layer and an upper layer above the lower layer. The lower layer has a jet chamber extending along a longitudinal direction of the body, two lower layer suction chambers located on both sides of the jet chamber and extending along the length direction, and a bottom extending upward from the bottom surface of the lower layer and communicating with the jet chamber An air injection port unit, and two air intake port units extending upward from the bottom surface of the lower layer and communicating with respective lower intake chambers. The upper layer has an upper suction chamber extending along the length direction. The shell covers the body. Each suction channel is defined by the body and the casing, and communicates with the respective lower suction chamber and the upper suction chamber. The at least one air supply duct communicates with the jet chamber. The at least one exhaust air pipe communicates with the upper suction chamber.

The effect of the present invention is that the upper jet chamber is used to increase the buffer space for inhalation, can maintain the inhalation pressure, and achieve the effects of improving dust removal and purifying air.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same numbers.

4 and FIG. 5, a first embodiment of the gas circulation device of the present invention includes a body 2, a housing 3, two suction channels 4 (see FIG. 7), an air supply duct 5, an exhaust duct 6. One cover 7, and one accessory unit 8.

4, 6 and 7, the body 2 includes a lower layer 21 and an upper layer 22 above the lower layer 21. The lower layer 21 has a jet chamber 211 extending along a longitudinal direction of the body 2, two lower layer suction chambers 212 located on both sides of the jet chamber 211 and extending along the longitudinal direction, extending upward and communicating from the bottom surface of the lower layer 21 A jet port unit 213 in the jet chamber 211, two suction port units 214 extending upward from the bottom surface of the lower layer 21 and connected to the respective lower intake chambers 212, and the corresponding lower intake chamber 212 from both sides It extends and communicates with the eight lower openings 215 corresponding to the lower suction chamber 212, an air supply end 216, and a lower closed end 217 opposite to the air supply end 216. The air jet port unit 213 has a linear air jet port 218 that extends linearly along the longitudinal direction. Each suction port unit 214 has two suction ports 219 that are linear and extend along the length direction. The upper layer 22 has an upper layer suction chamber 221 extending along the length direction, eight upper layer side openings 222 extending from both sides toward the corresponding upper layer suction chamber 221 and communicating with the upper layer suction chamber 221, and an exhaust end 223 , And an upper closed end 224 opposite to the exhaust end 223.

Since the lower layer side openings 215, the upper layer side openings 222, and the suction ports 219 are arranged at intervals and are not connected, it is possible to improve processing accuracy and maintain the overall rigidity of the body 2.

The casing 3 covers the body 2 and includes a top plate 31 and two side plates 32 extending downward toward the body 2 from the two ends spaced from the top plate 31.

Each suction channel 4 is defined by the body 2 and the housing 3, and communicates with the respective lower suction chamber 212 and the upper suction chamber 221, and includes a narrow channel area 41 and located in the narrow channel A wide channel region 42 above the region 41 and wider than the narrow channel region 41.

The air supply duct 5 is connected to the air supply end 216 of the lower layer 21 and communicates with the jet chamber 211.

The exhaust duct 6 is connected to the exhaust end 223 of the upper layer 22 and communicates with the upper suction chamber 221.

The cover 7 closes the lower closed end 217 and the upper closed end 224.

The accessory unit 8 includes a cover 81. The blocking cover 81 is located between the body 2, the air supply duct 5 and the exhaust duct 6, and has an air supply hole 811 and an exhaust hole 812. The air supply hole 811 communicates with the air injection chamber 211 and the air supply duct 5, but does not communicate with the lower suction chambers 212. The exhaust hole 812 communicates with the upper suction chamber 221 and the exhaust duct 6.

The first embodiment is suitable for connecting an air supply blower (not shown) and an suction blower (not shown) to remove dust (not shown) on a dust to be removed (not shown). The steps for dust removal in the first embodiment are as follows: the air supply blower is connected to the air supply duct 5, the suction blower is connected to the exhaust duct 6, and the air supply blower blows air into the jet chamber 211 , The air supply hole 811 of the blocking cover 81, so that air will only enter the jet chamber 211 and not enter the lower suction chamber 212, the jet chamber 211 is used to provide a pressure accumulating space to maintain the jet pressure, the suction The air blower sucks the air in the upper suction chamber 221. The upper suction chamber 221 is used to increase the buffer space of the suction to maintain the dust removal effect. When the air in the spray chamber 211 is discharged by the air outlet 218 of the air outlet unit 213 When spraying and blowing off the dust on the object to be dedusted, the air containing the dust is attracted from the suction ports 219 to the corresponding lower suction chamber 212, and then sequentially passes through the narrow of each suction channel 4 The channel area 41 and the wide channel area 42 enter the upper suction chamber 221. Since the width of the narrow channel area 41 is smaller than that of the wide channel area 42, it can improve the efficiency of diversion and suction, and finally, the air containing dust passes through The exhaust air duct 5 is discharged by the intake blower.

It should be noted that each suction port 219 of each suction port unit 214 is not limited to a straight line, but may also have a circular hole shape as shown in FIG. 8 and be arranged at intervals along the length direction. In this way, since the intake ports 219 are round holes and arranged at intervals, they are not connected, so the processing accuracy can be improved and the overall rigidity of the body 2 can be maintained.

It should be noted that the air injection port 218 of the air injection port 213 unit is not limited to a straight line, as shown in FIG. 9, it may be wavy and extend along the length direction. In this way, since the air injection port 218 is wavy, the air injection range in the width direction when air is ejected from the air injection port 218 can be increased, so that a larger range of dust is blown away, thereby increasing dust removal efficiency.

Referring to FIG. 10, it is a second embodiment of the gas circulation device of the present invention, which is substantially the same as the first embodiment, and also includes the body 2 (see FIG. 4), the housing 3 (see FIG. 4), and isotonic The air passage 4 (see FIG. 7), the air supply duct 5 (see FIG. 4), the exhaust duct 6 (see FIG. 4), and the cover 7 (see FIG. 4). The difference is:

The upper layer 22 also has eight shutters 225. Each shutter 225 covers the respective upper layer side opening 222 and has a number of through holes 226 that communicate with the corresponding upper layer side opening 222 and the corresponding suction channel 4. The number of perforations 226 of each shutter 225 increases as the distance from the exhaust end 223 and the exhaust air duct 6 (see FIG. 4) increases.

When the length of the body 2 exceeds 1 meter, the suction pressure in the upper suction chamber 221 decreases as the distance from the exhaust end 223 increases, so that the suction range decreases and the suction efficiency is reduced. The number of perforations 226 of each shutter 225 increases as the distance from the exhaust end 223 increases, which can increase the suction pressure during suction, so that the overall suction pressure in the upper suction chamber 221 remains balanced To increase the inspiratory range.

11 and 12, it is a third embodiment of the gas circulation device of the present invention, which is substantially the same as the first embodiment, and also includes the body 2 (as shown in FIG. 4), the housing 3, the suction channels 4 (as shown in Figure 7), the second air supply duct 5, the second exhaust air duct 6, and the accessory unit 8. The difference is:

The lower layer 21 also has 16 lower layer side openings 215 and two opposite gas supply ends 216. The upper layer 22 also has 16 upper layer side openings 222, two opposite exhaust ends 223, and 16 shutters 225. The air supply ducts 5 are connected to respective air supply ends 216, and the air exhaust ducts 6 are connected to respective exhaust ends 223. The accessory unit 8 includes a second stop 81.

The number of perforations 226 of the shutters 225 adjacent to the respective exhaust ends 223 is the smallest, and the number of perforations 226 of the shutters 225 located in the middle away from the exhaust ends 223 is the largest, and the perforations 226 of each shutter 225 The number increases as the distance from each exhaust end 223 increases.

When the length of the main body 2 exceeds 1 meter, or the effect of dust removal and air purification needs to be improved, the air supply ducts 5 and the exhaust air ducts 6 of the third embodiment are suitable for connecting various air supply ducts Air blower (not shown) and various suction blowers 6 (not shown) to maintain the jet pressure of the jet chamber 211 and the suction pressure of the upper suction chamber 221, thereby improving the effect of dust removal and clean air .

Through the above description, the advantages of the foregoing embodiments can be summarized as follows:

1. The lower layer side openings 215, the upper layer side openings 222, and the suction ports 219 are arranged at intervals, and are not connected, so the processing accuracy can be improved and the overall rigidity of the body 2 can be maintained.

2. Without increasing the width of the body 2, the upper suction chamber 221 of the upper layer 22 increases the overall suction buffer space, so that the jet chamber 211 of the lower layer 21 and the lower suction chamber 212 The volume size is not limited by each other. Therefore, the jet chamber 211 can maintain the jet pressure, and the upper suction chamber 221 can maintain the dust suction effect.

3. Since the side plates 32 of the casing 3 respectively extend downward and toward the body 2, the width of the narrow channel area 41 of each suction channel 4 is smaller than the width of the wide channel area 42, so that the flow guide and Inhalation efficiency.

4. When the air injection port 218 is wavy and extends along the length direction, the range when the air is ejected can be increased, so that a larger range of dust is blown away, thereby increasing the dust removal efficiency.

5. The number of perforations 226 of each shutter 225 increases as the distance from the exhaust end 223 increases, so that the overall suction pressure in the upper suction chamber 221 remains balanced.

6. When the length of the body 2 exceeds 1 meter, install the air supply ducts 5 at the respective air supply ends 216 of the lower layer 21, and install the exhaust air ducts 6 at the upper layer 22 The other exhaust end 223 can improve the effect of dust removal and air purification.

Therefore, the purpose of cost invention can indeed be achieved.

However, the above are only examples of the present invention, and the scope of implementation of the present invention cannot be limited by this, any simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the content of the patent specification are still classified as Within the scope of the invention patent.

2: Ontology

21: Lower floor

211: Jet Room

212: Lower suction chamber

213: Jet port unit

214: Suction port unit

215: Lower side opening

216: gas supply end

217: Lower closed end

218: Jet port

219: Suction port

22: Upper floor

221: Upper suction chamber

222: Upper side opening

223: Exhaust end

224: upper closed end

225: Shutter

226: Piercing

3: Shell

31: Top plate

32: side panel

4: Inhalation channel

41: Narrow channel area

42: Wide channel area

5: Air supply duct

6: Exhaust duct

7: Cover

8: accessory unit

81: door

811: Air supply hole

812: Vent hole

Other features and effects of the present invention will be clearly presented in the embodiment with reference to the drawings, in which: FIG. 1 is an exploded perspective view illustrating an existing gas circulation device disclosed in Taiwan Patent No. I321498; FIG. 2 is a cross-sectional view of the conventional gas circulation device; FIG. 3 is a bottom view illustrating a gas injection port and two suction ports of the conventional gas circulation device; FIG. 4 is an exploded perspective view illustrating A first embodiment of the gas circulation device of the present invention; FIG. 5 is a perspective view of the first embodiment; FIG. 6 is a bottom view illustrating the first air outlet and four suction ports in the first embodiment Fig. 7 is a cross-sectional view taken along the line Ⅶ-Ⅶ in Fig. 6; Fig. 8 is a bottom view similar to Fig. 6, but the suction ports are round holes and along a The main body is arranged at intervals in a longitudinal direction; FIG. 9 is a bottom view similar to FIG. 6, but the jet port is wavy; FIG. 10 is an incomplete exploded perspective view illustrating a first embodiment of the gas circulation device of the present invention. Two embodiments; FIG. 11 is a side view illustrating a third embodiment of the gas circulation device of the present invention; and FIG. 12 is an incomplete side view of the third embodiment omitting a housing.

2: Ontology

21: Lower floor

211: Jet Room

212: Lower suction chamber

215: Lower side opening

216: gas supply end

217: Lower closed end

22: Upper floor

221: Upper suction chamber

222: Upper side opening

223: Exhaust end

224: upper closed end

3: Shell

31: Top plate

32: side panel

5: Air supply duct

6: Exhaust duct

7: Cover

8: accessory unit

81: door

811: Air supply hole

812: Vent hole

Claims (9)

A gas circulation device includes a body including a lower layer and an upper layer above the lower layer, the lower layer has a jet chamber extending along a length direction of the body, located on both sides of the jet chamber and along the length direction Two extended lower suction chambers, a jet port unit extending upward from the bottom surface of the lower layer and communicating with the jet chamber, and two suction ports extending upward from the bottom surface of the lower layer and communicating with each of the lower suction chambers A unit, and several lower side openings extending from two sides toward the corresponding lower suction chamber and communicating with the corresponding lower suction chamber, the upper layer has an upper suction chamber extending along the length direction, and from both sides Several upper side openings extending toward the corresponding upper suction chamber and communicating with the upper suction chamber; a shell covering the body; two suction channels, each suction channel is defined by the body and the shell And connected to the lower suction chamber and the upper suction chamber respectively, and each suction channel is also connected to the corresponding lower openings and the upper openings; at least one air supply duct is connected At the lower layer and connected to the jet chamber; and at least one exhaust air duct connected to the upper layer and connected to the upper suction chamber. The gas circulation device according to claim 1, wherein each suction port unit has a plurality of suction ports arranged at intervals. The gas circulation device according to claim 1, wherein each suction port list The element has at least one suction port that is linear and extends along the length direction. The gas circulation device according to claim 1, wherein the gas injection port unit has at least one gas injection port that is wavy and extends along the length direction. The gas circulation device according to claim 1, wherein the casing includes a top plate and two side plates respectively extending downward from both ends of the top plate and toward the body. The gas circulation device according to claim 5, wherein each of the suction channels includes a narrow channel region, and a wide channel region above the narrow channel region and wider than the narrow channel region. The gas circulation device according to claim 1, wherein the upper layer further has a number of shutters covering the openings of the respective upper layers, each of the shutters has a number of perforations connecting the upper suction chamber and the corresponding suction channel , And the number of perforations of each shutter increases as the distance from the exhaust air duct increases. The gas circulation device according to claim 1, further comprising a cover, and the lower layer further has a gas supply end and a lower layer closed end opposite to the gas supply end, and the upper layer also has an exhaust end and a reverse direction An upper closed end at the exhaust end, the at least one air supply duct is connected to the air supply end, the at least one exhaust air duct is connected to the exhaust end, the cover closes the lower closed end and the upper close end. The gas circulation device according to claim 1, further comprising two air supply ducts and two exhaust air ducts, the lower layer also has a reverse two gas supply ends, and the upper layer also has a reverse two exhaust ends, the The air supply ducts are connected to the respective air supply ends, and the exhaust air ducts are connected to the respective exhaust ends.

Images