Commercial range hood capable of discharging air in multiple directions through static screen mesh interception

Abstract

A commercial range hood capable of discharging air in multiple directions through static screen mesh interception comprises an adsorption assembly and a direction assembly, the adsorption assembly comprises an interception device and an oil fume purification device, and the interception device comprises a plurality of oil baffle plates, a first-stage oil vapor interception plate and a second-stage oil vapor interception plate; the oil smoke purification device comprises a plate type electrostatic field, a punching air uniformizing plate and a fan; the direction assembly comprises a fan box, a fan box framework and a cover plate, connecting holes are formed in the cover plate and the fan box framework, and bolts are arranged on the connecting holes. During use, each group of electrostatic field consists of a multi-stage high-voltage ionization area and a single-stage low-voltage adsorption area, and the high-low voltage combination mode can enable the single electrostatic field to achieve a more efficient purification effect under the conditions of lower power consumption and smaller unit volume; the direction assembly can be installed at a proper position according to actual conditions, the direction of the rotary cover plate is adjusted according to the actual conditions, and the purpose of selecting a proper air outlet direction according to the actual conditions of a site is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of range hood, concretely is a kind of static silk screen interception can multi-directional air outlet's commercial range hood. BACKGROUND

[0002] Range hood is a kind of kitchen electric appliance for purifying kitchen environment, he is installed to stove top, the waste smoke of stove combustion and the oil fume harmful to human body generated in cooking process are rapidly sucked away, discharged outdoor, reduce pollution, purify air, but there are some problems difficult to solve in the use process of existing range hood:1, most of the existing electrostatic oil fume purification integrated machine smoke cover in the industry, electrostatic field front end uses oil baffle plus multiple mechanical oil-throwing disc to intercept larger particle oil vapor in oil fume, so as to protect the electrostatic field of rear end not easy to be attached by viscous oil dirt, can more stably intercept and adsorb oil fume in relatively dry environment.However, mechanical oil-throwing disc operates with loud noise and large wind resistance, and simultaneously increases the power consumption and failure rate of the whole set of equipment;2, the upper part of current range hood is all integral fixed structure, according to terminal demand, once processing is formed, air outlet cannot be changed, cannot be adjusted according to actual air outlet direction. SUMMARY

[0003] In view of the above, the utility model provides a kind of static silk screen interception can multi-directional air outlet's commercial range hood to solve the problems raised in the above background art.

[0004] The technical scheme adopted by the utility model to solve its technical problems is: a kind of static silk screen interception can multi-directional air outlet's commercial range hood, the range hood includes the adsorption component of interception and purification oil fume, the direction component of changing air outlet direction, direction component and adsorption component are installed on range hood, the adsorption component includes the interception device of the large particle oil vapor that can be intercepted, the oil fume purification device that small particle oil fume can be purified, purification component is located above adsorption component and is separated by partition, the interception device includes multiple oil baffle, first-stage oil vapor interception plate, second-stage oil vapor interception plate, oil baffle is vertically arranged at range hood smoke inlet, first-stage oil vapor interception plate is horizontally arranged above oil baffle, first-stage oil vapor interception plate is above oil fume flow cavity, second-stage oil vapor interception plate is vertically arranged at oil fume flow cavity oil fume outlet;The oil fume purification device includes multiple sets of plate type electrostatic field, punched air distribution plate and fan, plate type electrostatic field, punched air distribution plate and fan are sequentially arranged above partition;

[0005] The directional component includes a fan housing for housing the fan. The fan housing includes a cubic fan housing frame and a cover plate. The front, top, rear, left / right sides of the fan housing are all detachable rotating covers. The bottom side of the fan housing is a closed cover plate integrally formed with the fan housing frame. The cover plate and the fan housing frame are provided with connection holes, and the connection holes are provided with rotatable bolts. The connection holes are located at the four included corners of each end face of the rotating cover plate and at the four included corners of each end face of the fan housing frame corresponding to the rotating cover plate. By adjusting the length of the bolts, the cover plate can be opened slightly upward or downward, changing the direction of the air outlet and smoke exhaust port.

[0006] The bottom of the fan is provided with two parallel support frames, each with mounting holes at both ends. Each end face of the fan box frame is provided with threaded holes corresponding to the mounting holes. There are at least four threaded holes, and the holes are arranged in a square shape, so that the fan can rotate horizontally at 0°, 90°, 180°, and 270° inside the fan box.

[0007] Furthermore, the plate-type electrostatic field includes a multi-level high-voltage region and a single-level low-voltage region.

[0008] Furthermore, the range hood is equipped with a switch, and a microcontroller is installed inside the switch. The fan, plate electrostatic field, and switch are all electrically connected to the microcontroller, and the range hood is operated through the microcontroller inside the switch.

[0009] Furthermore, the range hood is equipped with a power cord for connecting to an external power source. The output end of the power cord is connected to the input end of a switch, and the external power source is connected to the power cord to provide power to the range hood.

[0010] Furthermore, the air inlet of the fan box can be detachably connected to the left and right sides of the upper part of the range hood, respectively, so that the fan box can be installed on the left or right side of the upper part of the range hood.

[0011] Furthermore, it also includes a fixing plate installed above the range hood and symmetrically arranged opposite to the fan box. When the directional component is installed on the upper left side of the range hood, the fixing plate is installed on the upper right side of the range hood; when the directional component is installed on the upper right side of the range hood, the fixing plate is installed on the upper left side of the range hood.

[0012] Furthermore, the fan box is connected to the range hood via a flange, and the mounting plate is also connected to the range hood via a flange.

[0013] Furthermore, a leak-proof sealing ring is provided at the connection between the cover plate and the fan box frame to prevent air leakage.

[0014] The utility model discloses beneficial effect is: 1, the oil fume purification device of integrated machine smoke cover adopts the plate type electrostatic field, and each electrostatic field is composed of multistage high voltage ionization area and single low pressure adsorption area, and this high low pressure combination mode can make single electrostatic field reach higher efficient purification effect under lower power consumption and smaller unit volume condition, intercepts simultaneously and adopts the electrostatic field purification small granule oil vapor to big granule oil vapor, can guarantee that oil fume purification unit high -efficient stable purification effect, improves the purification efficiency of oil fume purification equipment, avoids the discharge spark of the oil dirt of a large number of adhesion and fire hazard not working and appearing, 2, during use, can install direction component in suitable position according to actual condition, and adjusts the direction of rotating cover plate according to actual condition, reaches the purpose that according to the actual situation of site selects suitable air outlet direction. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic diagram of the right -hand side of the utility model direction component.

[0016] Figure 2 It is the structure schematic diagram of the right -hand side of the utility model direction component.

[0017] Figure 3 It is the structure schematic diagram of the right -hand side of the utility model direction component.

[0018] Figure 4 It is the structure schematic diagram of the right -hand side of the utility model direction component.

[0019] Figure 5 It is the structure schematic diagram of the right -hand side of the utility model direction component.

[0020] Figure 6 It is the structure schematic diagram of the right -hand side of the utility model direction component.

[0021] Figure 7 It is the sectional view of the utility model fan case.

[0022] Figure 8 It is the structure schematic diagram of the utility model fan.

[0023] In Figure 1 - Figure 8In, 1, range hood; 101, switch; 102, microcontroller; 2, power cord; 3, adsorption assembly; 301, partition; 302, oil baffle; 303, first oil and gas interception plate; 304, second oil and gas interception plate; 305, plate type electrostatic field; 306, punched air distribution plate; 307 oil fume flow cavity; 4, fan; 5, fan box; 6, fan box skeleton; 601, threaded hole; 7, support frame; 701, mounting hole; 8, rotating cover plate; 801, first rotating cover plate; 802, second rotating cover plate; 803, third rotating cover plate; 804, fourth rotating cover plate; 9, closing cover plate; 10, connecting hole; 11, bolt. DETAILED DESCRIPTION

[0024] The utility model will be further described below in combination with the drawings and some embodiments.

[0025] In Figure 1 Figure 8 In, a static screen interception can multi-directional air outlet commercial range hood, range hood 1 is common in life range hood 1, can be commercial range hood or household range hood, such as CXW-260-T70 type range hood, etc., the range hood 1 includes intercepting and purifying oil fume adsorption assembly 3, change the direction of the air outlet direction assembly, direction assembly and adsorption assembly 3 are installed on range hood 1, the adsorption assembly 3 includes intercepting large particle oil and gas interception device, oil fume purification device that can purify small particle oil fume, purification assembly is located above adsorption assembly 3 and is separated by partition 301, the interception device includes multiple oil baffle 302, first oil and gas interception plate 303, second oil and gas interception plate 304, oil baffle 302 is vertically arranged at the oil fume inlet of range hood 1, first oil and gas interception plate 303 is horizontally arranged above oil baffle 302, first oil and gas interception plate 303 is oil fume flow cavity 307 above, second oil and gas interception plate 304 is vertically arranged at the oil fume outlet of oil fume flow cavity 307;The oil fume purification device includes multiple plate type electrostatic field 305, punched air distribution plate 306 and fan 4, plate type electrostatic field 305, punched air distribution plate 306 and fan 4 are sequentially arranged above partition 301, oil fume enters from the oil fume inlet of range hood 1, passes through oil baffle 302, first oil and gas interception plate 303 and second oil and gas interception plate 304, filters out large particle oil and gas, and then the oil fume enters plate type electrostatic field 305 for purification and is discharged from the air outlet of fan 4.

[0026] ​The direction assembly comprises a fan box 5 for placing the fan 4, the fan box 5 comprises a fan box framework 6 in a cuboid structure, cover plates, the front, upper, rear and left / right four sides of the fan box 5 are detachable rotating cover plates 8, the rotating cover plates 8 comprise first, second, third and fourth rotating cover plates, when the fan box 5 is placed on the left, the front, upper, rear and left four end faces of the fan box 5 correspond to the first rotating cover plate 801, the second rotating cover plate 802, the third rotating cover plate 803 and the fourth rotating cover plate 804 in sequence; when the fan box 5 is placed on the right, the front, upper, rear and right four end faces of the fan box 5 correspond to the first rotating cover plate 801, the second rotating cover plate 802, the third rotating cover plate 803 and the fourth rotating cover plate 804 in sequence, when the fan box 5 is placed on the left, the rotating cover plates 8 are changed to front-biased-up, front-biased-down, upper-biased-front, upper-biased-rear, rear-biased-up, rear-biased-down, left-biased-up and left-biased-down non-overlapping air outlet directions; when the fan box 5 is placed on the right, the rotating cover plates 8 are changed to front-biased-up, front-biased-down, upper-biased-front, upper-biased-rear, rear-biased-up, rear-biased-down, right-biased-up and right-biased-down non-overlapping air outlet directions; the lower side of the fan box 5 is a closed cover plate 9 which is integrally formed with the fan box framework 6, the cover plate and the fan box framework 6 are provided with connecting holes 10, the connecting holes 10 are provided with rotatable and detachable bolts 11, the connecting holes 10 are respectively located at four corners of each end face of the rotating cover plates 8 and at four corners of each end face of the fan box framework 6 corresponding to the rotating cover plates 8, the connecting holes 10 located on the fan box framework 6 are relatively deep, when the rotating cover plates 8 are attached to the fan box framework 6 and the bolts 11 are tightened, the rotating cover plates 8 are fixed on the fan box framework 6; when the bolts 11 are partially screwed into the connecting holes 10, the rotating cover plates 8 are at a certain distance from the fan box framework 6, therefore, by adjusting the length of the bolts 11, the cover plates can be opened upward or downward, and the direction of the air exhaust outlet is changed; as shown in Figure 3 When the fan box 5 is placed on the right, the right side of the extractor hood 1 is connected with the left side air inlet face of the fan box 5, and the oil fume is exhausted from the right end face of the fan box 5, the right end face rotating cover plate 8 of the fan box 5 is the fourth rotating cover plate 804, a small part of the length of the bolt 11 at the upper end of the fourth rotating cover plate 804 is screwed into the connecting hole 10 on the fan box framework 6, and a large part of the length of the bolt 11 at the lower end of the fourth cover plate is screwed into the connecting hole 10 on the fan box framework 6, so as to realize the purpose of the upward opening of the fourth rotating cover plate 804, and the fourth rotating cover plate 804 has four air outlet directions of upward opening, downward opening, forward opening and rearward opening by the same method, the forward opening of the fourth rotating cover plate 804 and the rightward opening of the first rotating cover plate 801 overlap, and the same applies to the fan box 5 placed on the right, in combination with the change of the installation position of the fan 4 base in the fan box 5, there are eight non-overlapping air outlet directions; as shown in Figure 6 When the fan 4 is placed on the left, eight non-overlapping air outlet directions can also be obtained; the fan box 5 with the changeable air outlet direction can realize the function of 16 air outlet directions of the extractor hood 1 by combination with the left and right positions of the extractor hood 1.

[0027] The bottom end of the fan 4 is provided with two parallel support frames 7, each of which is provided with mounting holes 701 at both ends, and each end face of the fan box skeleton 6 is provided with a threaded hole 601 corresponding to the position of the mounting hole 701. The threaded hole 601 is provided with at least four threaded holes, and the positions of the threaded holes 601 are arranged in a square shape. It is appropriate that the number of threaded holes 601 is four, so that the fan 4 can rotate horizontally by 0°, 90°, 180° and 270° in the fan box 5. According to the actual outlet direction, the position of the fan 4 in the fan box 5 is adjusted. The fan 4 is installed on the fan box skeleton 6 by using screws and other parts, and cooperates with the rotating cover plate 8 to meet the needs of the outlet.

[0028] In the embodiment, the plate-type electrostatic field 305 includes a multi-stage high-voltage area and a single-stage low-voltage area. The multi-stage high-voltage area includes a plurality of high-voltage discharge sawtooth structures and two assembly plates. The high-voltage discharge sawtooth structures are connected between the two assembly plates. The assembly plates are provided with high-voltage energizing springs on the outer sides. The range hood 1 is provided with high-voltage energizing contacts. The high-voltage energizing springs are connected with the high-voltage energizing contacts. The single-stage low-voltage area includes a low-voltage adsorption plate. The low-voltage adsorption plate is provided with a low-voltage energizing spring. The range hood 1 is provided with a low-voltage energizing contact. The low-voltage energizing spring is connected with the low-voltage energizing contact.

[0029] In the embodiment, the range hood 1 is provided with a switch 101. The switch 101 is internally provided with a microcontroller 102. The fan 4, the plate-type electrostatic field 305 and the switch 101 are electrically connected with the microcontroller 102. The range hood 1 is controlled by the microcontroller 102 in the switch 101. The switch 101 can be a common liquid crystal panel, such as a ZZ-2020 model, an iTC602TAT-2 model and the like. The range hood 1 is controlled by the microcontroller 102 in the switch 101.

[0030] In the embodiment, the range hood 1 is provided with a power line 2 connected with an external power source. The output end of the power line 2 is connected with the input end of the switch 101. The switch 101 is connected with the fan 4 and the plate-type electrostatic field 305 through the microcontroller 102. Therefore, the range hood 1 is provided with electric energy by connecting the external power source through the power line 2.

[0031] In the embodiment, the air inlet of the fan box 5 can be detachably connected with the left and right sides of the upper end of the range hood 1. The fan box 5 can be installed on the left side or the right side above the range hood 1.

[0032] In the embodiment, it further includes a fixed plate symmetrically arranged with the fan box 5 above the range hood 1. When the direction assembly is installed on the left side above the range hood 1, the fixed plate is installed on the right side above the range hood 1. When the direction assembly is installed on the right side above the range hood 1, the fixed plate is installed on the left side above the range hood 1.

[0033] In the embodiment, the fan box 5 is connected with the range hood 1 through flanges, and the fixing plate is also connected with the range hood 1 through flanges.

[0034] In the embodiment, the cover plate is provided with a sealing ring for preventing air leakage at the buckling position of the fan box framework 6, so as to prevent air leakage.

[0035] In the embodiment, the microcontroller 102 is a common electrical component, such as an AT89C2051 or a TMS320VC5509A type single-chip microcomputer.

[0036] In the embodiment, the fan 4 is a common centrifugal fan device, such as a 4-72 centrifugal fan, a B4-72 series centrifugal fan, etc.

[0037] In the embodiment, the control circuit of the device is a common circuit in the field of circuits, and the device can be connected with an external power supply or an internal storage battery through a power line to provide electric energy for the device, and a person skilled in the art can realize it without further description.

[0038] In the embodiment, when in use, the external power supply is connected through the power line 2, information is transmitted to the microcontroller 102 through the switch 101, the microcontroller 102 receives and outputs information to the fan 4 and the plate type electrostatic field 305, the fan 4 and the plate type electrostatic field 305 are powered on, the oil fume enters the oil fume inlet of the range hood 1, passes through the oil baffle 302, the first oil and gas interception plate 303 and the second oil and gas interception plate 304, filters out large particles of oil and gas, and then the oil fume enters the plate type electrostatic field 305 for purification and is discharged from the air outlet of the fan 4; when the fan 4 is installed, the actual position can be adjusted, for example, when the fan box 5 is right-arranged, the right side of the range hood 1 is connected with the left side air inlet face of the fan box 5, and the oil fume is discharged from the right end face of the fan box 5, the fourth rotating cover plate 804 of the right end face of the fan box 5 is a fourth rotating cover plate 804, a small part of the bolt 11 at the upper end of the fourth rotating cover plate 804 is screwed into the connecting hole 10 in the fan box framework 6, and a large part of the bolt 11 at the lower end of the fourth cover plate is screwed into the connecting hole 10 in the fan box framework 6, so that the purpose of the fourth rotating cover plate 804 being opened upward is realized, and the fourth rotating cover plate 804 has four air outlet faces which are upward, downward, forward and backward, respectively, the forward air outlet face of the fourth rotating cover plate 804 overlaps with the right air outlet face of the first rotating cover plate 801, and the same method is used for the other air outlet faces, when the fan box 5 is right-arranged, the installation position of the fan 4 in the fan box 5 changes, and there are four non-overlapping air outlet directions; similarly, when the fan box 5 is left-arranged, there are also four non-overlapping air outlet directions.

[0039] It is worth mentioning that: in the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited. In the utility model, unless otherwise specifically provided and limited, the terms "mounting", "connection", "connection", "fixing" and other terms should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, and for those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0040] It is obvious for those skilled in the art that the utility model patent is not limited to the details of the above exemplary embodiments, and the utility model patent can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model patent. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model patent is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the essential elements of the claims are intended to be included in the utility model patent. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A static screen intercepting a multi-directional air outlet commercial range hood, characterized in that: The oil fume machine comprises an adsorption assembly for intercepting and purifying oil fume, a direction assembly for changing the direction of the air outlet, the direction assembly and the adsorption assembly being installed on the oil fume machine, the adsorption assembly comprising an intercepting device for intercepting large-particle oil fume and an oil fume purifying device for purifying small-particle oil fume, the purifying assembly being located above the adsorption assembly and separated by a partition plate, the intercepting device comprising a plurality of oil baffle plates, a first-stage oil fume intercepting plate and a second-stage oil fume intercepting plate, the oil baffle plates being vertically arranged at the oil fume inlet of the oil fume machine, the first-stage oil fume intercepting plate being horizontally arranged above the oil baffle plates, the second-stage oil fume intercepting plate being vertically arranged at the oil fume outlet of the oil fume flow cavity, and the oil fume purifying device comprising a plurality of plate-type electrostatic fields, a punched air-distribution plate and a fan, the plate-type electrostatic fields, the punched air-distribution plate and the fan being sequentially arranged above the partition plate. The direction assembly comprises a fan box for placing the fan, the fan box comprising a cuboid fan box framework and a cover plate, the front, upper, rear and left / right sides of the fan box being detachable rotary cover plates, the lower side of the fan box being a closed cover plate integrally formed with the fan box framework, the cover plate and the fan box framework being provided with connecting holes, the connecting holes being provided with rotatable and detachable bolts, the connecting holes being located at the four corners of each end face of the rotary cover plate and at the four corners of each end face of the fan box framework corresponding to the rotary cover plate, and the direction of the air outlet being changed by adjusting the length of the bolts to make the cover plate open upward or downward. The fan is provided with two parallel support frames at the bottom end, each support frame being provided with mounting holes at both ends, each end face of the fan box framework being provided with threaded holes corresponding to the positions of the mounting holes, the threaded holes being at least four and arranged in a square shape, so that the fan can be horizontally rotated by 0°, 90°, 180° and 270° in the fan box.

2. A static screen intercepting multi-directional air outlet commercial range hood according to claim 1, characterized in that: The plate-type electrostatic field comprises multiple high-voltage areas and a single low-voltage area.

3. A static screen intercepting multi-directional air discharging commercial range hood according to claim 1, characterized in that: The oil fume machine is provided with a switch, the switch being internally provided with a microcontroller, the fan, the plate-type electrostatic field and the switch being electrically connected to the microcontroller.

4. A static screen intercepting multi-directional air outflow commercial range hood according to claim 1, characterized in that: The oil fume machine is provided with a power line connected to an external power source, the output end of the power line being connected to the input end of the switch.

5. A static screen intercepting multi-directional air discharging commercial range hood according to claim 1, characterized in that: The air inlet of the fan box can be detachably connected to the left and right sides of the upper end of the oil fume machine.

6. A static screen intercepting multi-directional air discharging commercial range hood according to claim 1, characterized in that: A fixed plate is symmetrically arranged above the oil fume machine and opposite to the fan box.

7. A static screen intercepting multi-directional air outflow commercial range hood according to claim 1, characterized in that: The contact surface of the fan box and the oil fume machine is connected by a flange, and the fixed plate and the oil fume machine are also connected by a flange.

8. A static screen intercepting multi-directional air outflow commercial range hood according to claim 1, characterized in that: A sealing ring is arranged at the fastening position of the cover plate and the fan box framework to prevent air leakage.

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