Range hood air cabinet device and range hood

Abstract

The range hood air cabinet device comprises a cabinet body and a turbofan, the cabinet body is provided with a smoke inlet, a first containing cavity and a smoke outlet, the smoke inlet is communicated with the first containing cavity, the turbofan is arranged in the first containing cavity and is close to the front side wall of the cabinet body, and the turbofan is provided with an air draft cavity, a main air inlet, an auxiliary air inlet and an air outlet. The auxiliary air inlet is located in the front side, the main air inlet is located in the rear side, the air outlet is located in the top, the main air inlet, the auxiliary air inlet and the air outlet are all communicated with the air draft cavity, the air outlet is connected with the smoke outlet, the distance between the auxiliary air inlet and the front wall of the first containing cavity is A, the distance between the main air inlet and the rear wall of the first containing cavity is B, and A is smaller than B. By reducing the front-side air inlet channel and enlarging the rear-side air inlet channel, oil smoke can be distributed to the front and rear air inlet channels, turbulent flow and vortex of air can be reduced, and then air noise can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a range hood related technical field, especially a kind of range hood cabinet device and extractor hood. BACKGROUND

[0002] Side suction type range hood is generally provided with air cabinet box, air cabinet box is usually located in the upper half of range hood, and is arranged outside fan volute, air cabinet box and fan volute part form the air cabinet device of range hood, in prior art, air cabinet box acts as the negative pressure area of fan volute, oil fume is inhaled into air cabinet box by smoke cover, then enters fan volute and is discharged, therefore, when range hood operates, the airflow in air cabinet box is relatively chaotic, and the generated noise is relatively large. SUMMARY

[0003] The utility model aims at at least solving one of the technical problems existing in prior art. For this purpose, the utility model provides a kind of range hood cabinet device and extractor hood, can solve the problem of large noise of extractor hood.

[0004] According to the first aspect embodiment of the utility model, a kind of range hood cabinet device, comprising: cabinet and turbine fan, the cabinet has smoke inlet, first cavity and smoke outlet, the smoke inlet is communicated with the first cavity, the turbine fan is located in the first cavity, and is close to the front side wall of the cabinet and is set, the turbine fan has air extraction cavity, main air inlet, auxiliary air inlet and air outlet, the auxiliary air inlet is located in front side, the main air inlet is located in rear side, the air outlet is located in top, the main air inlet, the auxiliary air inlet and the air outlet are all communicated with the air extraction cavity, and the air outlet is connected with the smoke outlet, wherein, the distance between the auxiliary air inlet and the front wall of the first cavity is A, the distance between the main air inlet and the rear wall of the first cavity is B, A < B.

[0005] According to the utility model embodiment, a kind of range hood cabinet device, at least has following beneficial effects: turbine fan front side is set as auxiliary air inlet, rear side is set as main air inlet, top exhaust, and turbine fan is close to the front side wall of the cabinet and is set, so that A < B, can make the air inlet passage of auxiliary air inlet and the first cavity front wall narrow, the air inlet passage of main air inlet and the first cavity rear wall enlarge, when range hood is used, oil fume is inhaled along the direction of approximately lower to upper and from front to back, by reducing front air inlet passage, rear air inlet passage is enlarged, oil fume can be shunted to the air inlet passage of front and rear, and wind noise can be reduced.

[0006] According to some embodiments of the utility model, A:B=0.2-0.6.

[0007] According to some embodiments of the utility model, turbine fan includes volute, volute front side is equipped with the auxiliary air inlet, rear side is equipped with the main air inlet, volute front side to rear side distance is equipped with C, A:C:B = 1:6:3.

[0008] According to some embodiments of the utility model, the cabinet body includes a top plate, a front wall assembly and a back plate, the back plate is detachably connected with the front wall assembly to form a side frame assembly, the top plate is detachably connected to the top of the side frame assembly, and the bottom opening of the side frame assembly is the smoke inlet.

[0009] According to some embodiments of the utility model, a clamping structure is arranged between the front wall assembly and the back plate, and the back plate can be connected with the front wall assembly through the clamping structure.

[0010] According to some embodiments of the utility model, the cabinet body side wall is provided with a first flow guide plate, the first flow guide plate and the cabinet body side wall define an oil guide groove, and the oil guide groove can guide oil to an oil receiving disc.

[0011] According to some embodiments of the utility model, the first flow guide plate is arranged as an arc-shaped strip arched upward, and the width direction of the first flow guide plate is arranged as inclined toward the cabinet body side wall in a top-down direction.

[0012] According to some embodiments of the utility model, a second flow guide plate is arranged in the cabinet body, the second flow guide plate is arranged on the inner wall of the cabinet body and located at the top of the first cavity, and the second flow guide plate can guide oil at the top of the first cavity to the cabinet body side wall.

[0013] According to some embodiments of the utility model, the second flow guide plate has a guide inclined surface inclined toward the cabinet body side wall in a top-down direction.

[0014] The range hood according to the second aspect of the utility model comprises a range hood adopting the range hood cabinet device.

[0015] The range hood according to the utility model has at least the following beneficial effects: by adopting the above-mentioned cabinet device, the range hood can reduce the noise generated by air extraction under the premise of maintaining the air extraction effect.

[0016] Additional aspects and advantages of the utility model will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above or additional aspects and advantages of the present application will become apparent from a consideration of the following detailed description taken in conjunction with the accompanying drawings, in which:

[0018] Figure 1 Structure schematic diagram of some embodiments of the present application;

[0019] Figure 2 Structure exploded view of some embodiments of the present application; Figure 1

[0020] Figure 3 Structure transverse section view of some embodiments of the present application; Figure 1

[0021] Figure 4 Structure schematic diagram of the first flow guide plate;

[0022] Figure 5 Structure schematic diagram of the second flow guide plate.

[0023] Figure 6 Structure schematic diagram of some embodiments of the range hood.

[0024] Reference signs:

[0025] Cabinet body 100, smoke inlet 110, first cavity 120, smoke outlet 130, top plate 140, front wall plate assembly 150, back plate 160, clamping structure 170, first flow guide plate 180, oil guide groove 181, second flow guide plate 190, guide slope 191;

[0026] Turbine fan 200, air extraction cavity 210, main air inlet 220, auxiliary air inlet 230, air outlet 240, volute 250. DETAILED DESCRIPTION

[0027] The embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0028] ​​In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and so on the direction or position relation indicated is based on the direction or position relation shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, and is not the indication or implication of the device or element must have the specific direction, with the specific direction structure and operation, therefore can not be understood as the restriction of the utility model. In addition, the feature that is defined with "first", "second" can be explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two.

[0029] In the description of the utility model, it needs to be explained that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0030] Refer to Figures 1 to 3According to the first aspect embodiment of the utility model, a kind of range hood device of smoke machine, including cabinet 100 and turbine fan 200, cabinet 100 has smoke inlet 110, first cavity 120 and smoke outlet 130, smoke inlet 110 is communicated with first cavity 120, turbine fan 200 is located in first cavity 120, and it is close to the front side wall of cabinet 100 and is arranged, turbine fan 200 has suction chamber 210, main air inlet 220, auxiliary air inlet 230 and air outlet 240, auxiliary air inlet 230 is located in front side, main air inlet 220 is located in rear side, air outlet 240 is located in top, main air inlet 220, auxiliary air inlet 230 and air outlet 240 are all communicated with suction chamber 210, and air outlet 240 is connected with smoke outlet 130, wherein, the distance between auxiliary air inlet 230 and the front wall of first cavity 120 is A, the distance between main air inlet 220 and the rear wall of first cavity 120 is B, A < B.Turbine fan 200 front side is set as auxiliary air inlet 230, rear side is set as main air inlet 220, top exhaust, and turbine fan 200 is close to the front side wall of cabinet 100 and is arranged, to make A < B, can make the air inlet passage of auxiliary air inlet 230 and the front wall of first cavity 120 narrow, the air inlet passage of main air inlet 220 and the rear wall of first cavity 120 expand, when smoke machine is used, oil smoke is roughly along down and is inhaled by the direction from front to back, by reducing front air inlet passage, rear air inlet passage is increased, can shunt oil smoke to front and rear air inlet passage, and air turbulence can be reduced, reduce noise.

[0031] Specifically, cabinet 100 can be roughly set as square shape, can be set smoke inlet 110 in lower part, to facilitate with smoke hood and is docked, top can be set smoke outlet 130, turbine fan 200 can be set in first cavity 120, it can be understood that turbine fan 200 can be connected in cabinet 100 by support, by turbine fan 200 is biased towards the front side of cabinet 100, can make the distance A of auxiliary air inlet 230 and the inner wall of first cavity 120 shorten, the distance B of main air inlet 220 and the inner wall of first cavity 120 increase, to form two air inlet passages of front narrow and rear wide, because front air inlet distance is small, rear air inlet distance is large, by turbine flow divider is biased, can play the role of uniform flow, to make that airflow can be relatively stable, in turn can reduce noise.

[0032] In some embodiments of the utility model, A:B=0.2-0.6.Specifically, after testing, noise is less in the range of this distance, when A:B=0.5, the suction effect of turbine fan 200 is good, and noise is weakened, can satisfy use demand.

[0033] Refer to Figure 3In some embodiments of the utility model, turbine fan 200 includes volute 250, volute 250 front side is equipped with auxiliary air inlet 230, rear side is equipped with main air inlet 220, volute 250 front side to rear side distance is equipped with C, A:C:B=1:6:3. Specifically, volute 250 thickness is about the thickness of the exhaust cavity 210, and the test volute 250 approximately separates the first cavity 120 into the above-mentioned proportion, this kind of space layout can increase the air intake of main air inlet 220, and auxiliary air inlet 230 for front air can reduce the disturbance, and the suction of the exhaust cavity 210 in volute 250 is about 2 times of the front air, which can reduce the generation of eddy current, and further can reduce the noise.

[0034] Referring to Figure 2 In some embodiments of the utility model, cabinet 100 includes top plate 140, front baffle assembly 150 and back plate 160, back plate 160 is detachably connected with front baffle assembly 150 to form a side frame assembly, top plate 140 is detachably connected to the top of the side frame assembly, and the bottom opening of the side frame assembly is provided as smoke inlet 110. Specifically, front baffle assembly 150 can be provided as a three-sided frame, and the plate can be bent into three sides, and back plate 160 can seal the side gap of front baffle assembly 150 after installation, and top plate 140 can seal the top surface of front baffle assembly 150 to form cabinet 100 and first cavity 120, and the opening below is provided as smoke inlet 110 for connection with the smoke hood.

[0035] Referring to Figure 2 In some embodiments of the utility model, front baffle assembly 150 and back plate 160 are provided with clamping structure 170, and back plate 160 can be connected with front baffle assembly 150 through clamping structure 170. Specifically, back plate 160 can be quickly clamped on front baffle assembly 150 through clamping structure 170, clamping structure 170 can be provided as a buckle, front baffle assembly 150 is provided with a folded edge, the buckle can be clamped in the clamping groove of the folded edge, and the buckle can be locked and connected through a fastener.

[0036] Referring to Figure 2 And Figure 4 In some embodiments of the utility model, the side wall of cabinet 100 is provided with first flow guide plate 180, and first flow guide plate 180 and the side wall of cabinet 100 define oil guide groove 181, which can guide oil to oil receiving tray. Specifically, first flow guide plate 180 can receive the oil stains on the side wall through oil guide groove 181 and guide them to the corresponding oil receiving tray, thereby reducing the outflow of oil stains from the range hood and affecting use.

[0037] Referring to Figure 4In some embodiments of the utility model, first deflector 180 is set as arc strip which arches upwards, and the width direction of first deflector 180 is set as the direction which inclines to the side wall of cabinet 100 from top to bottom. Specifically, the arc strip of first deflector 180 can guide the oil dirt received to both ends, and the direction of the inclined first deflector 180 can cooperate with the direction of the oil fume sucked, so that the air suction resistance and wind noise can be reduced while ensuring the oil guiding effect.

[0038] With reference to Figure 2 And Figure 5 In some embodiments of the utility model, second deflector 190 is arranged in the inner wall of cabinet 100 and located at the top of first cavity 120, and second deflector 190 can guide the oil at the top of first cavity 120 to the side wall of cabinet 100. Specifically, second deflector 190 can guide the oil dirt at the top to the side wall of cabinet 100 to prevent the oil dirt at the top from directly dropping.

[0039] With reference to Figure 5 In some embodiments of the utility model, second deflector 190 has guide slope 191 which inclines to the side wall of cabinet 100 from top to bottom. Specifically, second deflector 190 can be provided with a plate member which inclines to the side wall of cabinet 100 from top to bottom, and the inclined plate member has guide slope 191, so that the oil dirt can be guided to the side wall through guide slope 191, and the structure is simple and easy to manufacture.

[0040] With reference to Figure 6 According to the second aspect of the utility model, the smoke extractor comprises the smoke extractor with the smoke cabinet device. By adopting the smoke cabinet device, the smoke extractor can reduce the noise generated by air suction under the premise of maintaining the air suction effect, and meet the use demand of the user.

[0041] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A range hood fan unit, characterized in that, The utility model relates to a cabinet (100) has the smoke inlet (110), first cavity (120) and smoke outlet (130), the smoke inlet (110) with first cavity (120) intercommunication; Turbine fan (200) is located first cavity (120) and is close to the cabinet (100) front side wall setting, turbine fan (200) has the main inlet (220), auxiliary inlet (230) and outlet (240) of air suction chamber (210), auxiliary inlet (230) is located front side, main inlet (220) is located rear side, outlet (240) is located top, main inlet (220), auxiliary inlet (230) and outlet (240) all with air suction chamber (210) intercommunication, and outlet (240) is connected with smoke outlet (130); Wherein, the distance between auxiliary inlet (230) and the front wall of first cavity (120) is A, the distance between main inlet (220) and the rear wall of first cavity (120) is B, A < B. A:B = 0.2-0.

6.

2. The range hood device according to claim 1, wherein The turbine fan (200) includes a volute (250), the volute (250) front side is equipped with auxiliary inlet (230), rear side is equipped with main inlet (220), the distance from the front side to the rear side of volute (250) is C, A:C:B = 1:6:

3.

3. The smoke machine air cabinet apparatus of claim 2, wherein, The cabinet (100) includes a top plate (140), a front wall assembly (150), and a back plate (160). The back plate (160) is detachably connected with the front wall assembly (150) to form a side frame assembly. The top plate (140) is detachably connected to the top of the side frame assembly. The bottom opening of the side frame assembly is the smoke inlet (110).

4. The range hood device according to claim 1, wherein The front wall assembly (150) and the back plate (160) are provided with a clamping structure (170). The back plate (160) can be connected with the front wall assembly (150) through the clamping structure (170).

5. The range hood device according to claim 4, wherein The side wall of the cabinet (100) is provided with a first guide plate (180). The first guide plate (180) and the side wall of the cabinet (100) define an oil guide groove (181) that can guide oil to an oil collection tray.

6. The range hood device according to claim 1, wherein The first guide plate (180) is set as an arc-shaped strip arched upward, and the width direction of the first guide plate (180) is set to tilt toward the side wall of the cabinet (100) in a downward direction.

7. The range hood device according to claim 6, wherein The cabinet (100) is provided with a second guide plate (190) inside. The second guide plate (190) is arranged on the inner wall of the cabinet (100) and located at the top of the first cavity (120). The second guide plate (190) can guide the oil at the top of the first cavity (120) to the side wall of the cabinet (100).

8. The range hood device according to claim 6, wherein The second guide plate (190) has a guide slope (191) that tilts toward the side wall of the cabinet (100) in a downward direction.

9. The range hood device according to claim 8, wherein, ​ 10. A range hood characterized by A smoke machine wind cabinet apparatus comprising the apparatus of any one of claims 1-9.

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