Range hood
By installing a flow guide structure and a fan inside the range hood's smoke collection hood, and utilizing the pressure difference created by the high-pressure airflow from the left and right air outlets, the problem of smoke escape caused by the small negative pressure space of the range hood is solved, improving smoke extraction efficiency and reducing noise and energy consumption.
Patent Information
- Application Number
- CN202422738215.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-08
AI Technical Summary
Existing range hoods have small negative pressure spaces, which cause oil fumes to escape, and increasing the fan power will increase noise and energy consumption.
A flow guiding structure and a fan are installed inside the smoke collection hood of the range hood. High-pressure airflow is discharged through the air outlets on the left and right sides, forming a large pressure difference. Negative pressure is generated at the smoke inlet, which collects the oil fumes and reduces their escape.
It improves the smoke extraction efficiency of the range hood, reduces the escape of oil fumes, and lowers noise and energy consumption.
Smart Images

Figure CN223596006U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the range hood field, concretely relates to a range hood. BACKGROUND
[0002] The range hood is one of modern family commonly used kitchen appliances, and it mainly produces negative pressure through the high speed rotation of fan, and then realizes the suction and discharge of oil fume. But the airflow decay rate of current range hood is very fast, so its space that can produce negative pressure is smaller, which will lead to the escape of oil fume. UTILITY MODEL CONTENTS
[0003] In view of this, the utility model provides a range hood. The range hood can produce larger negative pressure space, and reduce the escape of oil fume.
[0004] The utility model provides the following technical scheme: a range hood, which comprises:
[0005] A smoke collecting hood is provided with a flow guide structure inside, and opposite sides of the smoke collecting hood are respectively provided with a first air outlet and a second air outlet, the flow guide structure is communicated with the first air outlet and the second air outlet;
[0006] A fan is arranged in the smoke collecting hood, the fan has an air outlet, the air outlet is communicated with the flow guide structure, and the fan is used for blowing air flow to the first air outlet and the second air outlet;
[0007] A smoke inlet is arranged at the bottom of the smoke collecting hood, and the smoke inlet is clamped between the first air outlet and the second air outlet.
[0008] Further, the flow guide structure is arranged around the inner periphery of the smoke collecting hood, and the flow guide structure and the side wall of the smoke collecting hood form a flow guide cavity, the first air outlet and the second air outlet are communicated with the flow guide cavity, and the fan drives air flow to pass through the flow guide structure and be discharged from the first air outlet and the second air outlet.
[0009] Further, the first air outlet and the second air outlet are formed by arranging a plurality of openings on the side wall of the smoke collecting hood, and the plurality of openings are arranged on the side wall of the smoke collecting hood at intervals.
[0010] Further, it further comprises a flow guide assembly.
[0011] The flow guide assembly comprises a first flow guide piece, a second flow guide piece and a third flow guide piece.
[0012] The first flow guide and the third flow guide are arranged at intervals from the second flow guide, and the first flow guide and the third flow guide are arranged perpendicularly to the second flow guide, and the first flow guide, the second flow guide, the third flow guide and the inner side wall of the smoke hood enclose to form the flow guide structure.
[0013] Further, the first flow guide and the third flow guide each include a first flow guide part, a second flow guide part and a third flow guide part.
[0014] The first flow guide part, the third flow guide part and the third flow guide part are sequentially connected by bending; and the first flow guide part, the second flow guide part and the third flow guide part are perpendicular to the side wall of the smoke hood.
[0015] Further, the third flow guide includes a first flow guide subpart, a second flow guide subpart, a third flow guide subpart, a fourth flow guide subpart and a fifth flow guide subpart.
[0016] The first flow guide subpart, the second flow guide subpart, the third flow guide subpart, the fourth flow guide subpart and the fifth flow guide subpart are sequentially connected by bending.
[0017] The first flow guide subpart and the second flow guide subpart are connected with the first flow guide part, the third flow guide subpart is connected with the second flow guide part, and the fourth flow guide subpart and the fifth flow guide subpart are connected with the third flow guide part.
[0018] Further, it further includes a plurality of flow guide plates.
[0019] The plurality of flow guide plates are sequentially arranged between the second flow guide subpart and the fourth flow guide subpart.
[0020] Further, it further includes a wind wheel.
[0021] The wind wheel is arranged in the smoke hood, the wind wheel is above the plurality of flow guide plates, and the wind wheel is in communication with the smoke inlet.
[0022] Further, it further includes an oil collecting groove.
[0023] The oil collecting groove is detachably arranged on both sides of the smoke hood, the oil collecting groove is in communication with the inside of the smoke hood, and is used for collecting oil fume inside the smoke hood.
[0024] Further, it further includes a baffle and a driving assembly.
[0025] The baffle is arranged at the smoke inlet, the driving assembly is arranged in the smoke hood, the driving assembly is connected with the baffle, and the driving assembly is used for driving the baffle to open or close the smoke inlet.
[0026] The oil fume exhauster is provided with an oil fume inlet at the bottom of the smoke collecting cover, the oil fume inlet is used to generate negative pressure to suck the oil fume through the oil fume inlet, the first air outlet and the second air outlet are respectively arranged at the left side and the right side, the fan is arranged in the smoke collecting cover, the fan is communicated with the first air outlet and the second air outlet, the high pressure air generated by the fan is discharged through the first air outlet and the second air outlet, thus, the left side and the right side of the oil fume exhauster can generate greater pressure, and the oil fume inlet part generates negative pressure, therefore, the oil fume can be easily gathered to the oil fume inlet, thus, the smoke exhaust efficiency of the oil fume exhauster can be improved, and the oil fume escape can be reduced. BRIEF DESCRIPTION OF DRAWINGS
[0027] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings described in the following are some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.
[0028] Figure 1 One of the cross-sectional views of the oil fume exhauster provided by the embodiments of the present application;
[0029] Figure 2 The second cross-sectional view of the oil fume exhauster provided by the embodiments of the present application;
[0030] Figure 3 The side view of the oil fume exhauster provided by the embodiments of the present application;
[0031] Figure 4 The partial structure schematic view of the oil fume exhauster provided by the embodiments of the present application;
[0032] Figure 5 The first structure schematic view of the flow guide assembly provided by the embodiments of the present application;
[0033] Figure 6 The second structure schematic view of the flow guide assembly provided by the embodiments of the present application;
[0034] Figure 7 The another partial structure schematic view of the oil fume exhauster provided by the embodiments of the present application;
[0035] Figure 8 The third cross-sectional view of the oil fume exhauster provided by the embodiments of the present application;
[0036] Figure 9 The overall structure schematic view of the oil fume exhauster provided by the embodiments of the present application.
[0037] Explanation of the reference signs:
[0038] 100 - range hood; 10 - fume collecting cover; 11 - first air outlet; 12 - second air outlet; 13 - opening; 20 - fan; 30 - fume inlet; 40 - flow guide structure; 50 - flow guide assembly; 51 - first flow guide piece; 52 - second flow guide piece; 521 - first flow guide part; 522 - second flow guide part; 523 - third flow guide part; 53 - third flow guide piece; 531 - first flow guide subpart; 532 - second flow guide subpart; 533 - third flow guide subpart; 534 - fourth flow guide subpart; 535 - fifth flow guide subpart; 60 - flow guide plate; 70 - wind wheel; 80 - oil collecting groove; 90 - baffle; 91 - driving assembly. DETAILED DESCRIPTION
[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0040] The terms "first", "second", and the like in the description, claims, and above drawings of the present application are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device including a series of steps or units is not limited to the listed steps or units, but can optionally include steps or units not listed, or can optionally include other steps or units inherent to the process, method, product, or device.
[0041] In this document, the term "embodiment" or "implementation" means that the specific features, structures, or characteristics described in connection with the embodiment or implementation can be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it mutually exclusive or alternative to other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.
[0042] The range hood is one of the common kitchen appliances in modern families. It mainly generates negative pressure through high-speed rotation of the fan, thereby realizing the suction and exhaust of oil fume. However, the airflow decay rate of the current range hood is extremely fast, so the space capable of generating negative pressure is relatively small, which leads to the escape of oil fume.
[0043] Due to the small negative pressure space generated, in the related art, the fan power is increased to make the range hood generate a larger negative pressure space, but this will generate a larger noise and the energy consumption of the range hood will also be increased.
[0044] Therefore, the present embodiment provides a range hood 100. The range hood 100 can make the range hood 100 generate a larger negative pressure space and reduce the oil fume escape of the range hood 100.
[0045] Please refer to Figure 1 A range hood 100, comprising:
[0046] A smoke collecting cover 10, a flow guide structure 40 is arranged in the smoke collecting cover 10, and the smoke collecting cover 10 is provided with a first air outlet 11 and a second air outlet 12 on opposite sides, respectively, and the flow guide structure is in communication with the first air outlet 11 and the second air outlet 12;
[0047] A fan 20, the fan 20 is arranged in the smoke collecting cover 10, the fan 20 has an air outlet, the air outlet is in communication with the flow guide structure 40, and the fan 20 is used for blowing air flow to the first air outlet 11 and the second air outlet 12;
[0048] A smoke inlet 30, the smoke inlet 30 is arranged at the bottom of the smoke collecting cover 10, and the smoke inlet 30 is clamped between the first air outlet 11 and the second air outlet 12, and the smoke inlet 30 is used for generating negative pressure.
[0049] The range hood 100 described above sets the smoke inlet 30 at the bottom of the smoke collecting cover 10, the smoke inlet 30 is used for generating negative pressure to suck the oil fume through the smoke inlet 30, sets the flow guide structure 40 in the smoke collecting cover 10, so as to separate the smoke exhaust channel of the range hood from the flow guide structure 40, sets the first air outlet 11 and the second air outlet 12 in the flow guide structure 40, sets the fan 20 in the smoke collecting cover 10, the fan 20 is separated from the flow guide structure 40, the first air outlet 11 and the second air outlet 12 are in communication with the flow guide structure 40, so that the high pressure air generated by the fan 20 is discharged through the first air outlet 11 and the second air outlet 12, so that the left and right sides of the range hood 100 generate a larger pressure, and the smoke inlet 30 part generates negative pressure, therefore, the oil fume can be easily gathered to the smoke inlet 30, so as to not only improve the smoke exhaust efficiency of the range hood 100, but also reduce the oil fume escape.
[0050] It can be understood that the smoke inlet 30 is arranged at the bottom of the smoke hood 10, the first air outlet 11 and the second air outlet 12 are arranged at the left and right sides of the smoke hood 10 respectively, the smoke inlet 30 is clamped between the first air outlet 11 and the second air outlet 12, the fan 20 is arranged in the smoke hood 10, the fan 20 is used for driving airflow to flow, and the fan 20 communicates with the first air outlet 11 and the second air outlet 12, so that the first air outlet 11 and the second air outlet 12 can flow out high-pressure airflow when the fan 20 works; after the first air outlet 11 and the second air outlet 12 flow out high-pressure airflow, a large pressure will be generated at the left and right sides of the range hood 100, and because the airflow of the first air outlet 11 and the second air outlet 12 is straightly sprayed out, the range of the large pressure generated by the first air outlet 11 and the second air outlet 12 will be large, so that the first air outlet 11 and the second air outlet 12 can have the effect of gathering smoke, so that the oil fume will not spread; at this time, the smoke inlet 30 of the range hood 100 generates a negative pressure space, and the generated oil fume will gather to the smoke inlet 30, and the oil fume can be discharged by the range hood 100 after entering the smoke inlet 30, so as to reduce the escape of the oil fume and improve the oil fume exhaust efficiency of the range hood 100.
[0051] In the embodiment, the first air outlet 11 and the second air outlet 12 can be communicated, so that one fan 20 can make the first air outlet 11 and the second air outlet 12 spray out high-pressure airflow, or the fan 20 is provided with a flow guide groove, the flow guide groove is divided into two paths and connected with the first air outlet 11 and the second air outlet 12 respectively, so that the airflow can be discharged through the first air outlet 11 and the second air outlet 12. Or, the fan 20 is arranged at the first air outlet 11 and the second air outlet 12 respectively, one fan 20 discharges air to the first air outlet 11, and the other fan 20 discharges air to the second air outlet 12.
[0052] Please refer to Figure 2 In some embodiments, the range hood 100 further comprises a flow guide structure 40.
[0053] The flow guide structure 40 is arranged in the smoke hood 10 and surrounds the inner periphery of the smoke hood 10, the first air outlet 11 and the second air outlet 12 are located in the flow guide structure 40, the fan 20 communicates with the flow guide structure 40, the fan 20 drives airflow to flow in the flow guide structure 40 and makes the airflow discharge from the first air outlet 11 and the second air outlet 12.
[0054] It can be understood that the flow guide structure 40 is arranged in the smoke hood 10, the flow guide structure 40 is arranged around the inner periphery of the smoke hood 10 (that is, the inner side wall of the smoke hood 10 is arranged), the first air outlet 11 and the second air outlet 12 are located on the side walls on the opposite sides of the smoke hood 10, and the first air outlet 11 and the second air outlet 12 are both in communication with the flow guide structure 40, and the fan 20 is in communication with the flow guide structure 40, so that the fan 20 can drive the airflow to enter the flow guide structure 40, and make the airflow flow in the flow guide structure 40; when the airflow flows to the first air outlet 11 and the second air outlet 12, the airflow flows out of the first air outlet 11 and the second air outlet 12, so that a larger air pressure can be generated at the first air outlet 11 and the second air outlet 12, so that the oil fume cannot be diffused, so as to achieve the purpose of reducing the escape of oil fume.
[0055] Please refer to Figure 3 In some embodiments, the first air outlet 11 and the second air outlet 12 are formed by arranging a plurality of openings 13 on the side wall of the smoke hood 10, and the plurality of openings 13 are arranged on the side wall of the smoke hood 10 in sequence.
[0056] It can be understood that the first air outlet 11 and the second air outlet 12 are both formed by arranging a plurality of openings 13 on the side wall of the smoke hood 10, and the plurality of openings 13 are arranged on the side wall of the smoke hood 10 in sequence, the first air outlet 11 and the second air outlet 12 have the same structure, and the specific shape can be referred to Figure 3 The first air outlet 11 and the second air outlet 12 are arranged in a structure composed of a plurality of openings 13, so that the first air outlet 11 and the second air outlet 12 can generate a larger airflow velocity, thereby enabling the surrounding of the range hood 100 to generate a larger pressure, and at the same time having a larger coverage range, so as to improve the smoke gathering range of the first air outlet 11 and the second air outlet 12, thereby reducing the occurrence of oil fume escape.
[0057] Please refer to Figure 4 and Figure 5 In some embodiments, the flow guide assembly 50 further comprises:
[0058] The flow guide assembly 50 comprises a first flow guide 51, a second flow guide 52, and a third flow guide 53.
[0059] The first flow guide 51 and the third flow guide 53 are arranged in sequence with the second flow guide 52, and the first flow guide 51 and the third flow guide 53 are both arranged perpendicular to the second flow guide 52, and the first flow guide 51, the second flow guide 52, the third flow guide 53, and the inner side wall of the smoke hood 10 form the flow guide structure 40.
[0060] It can be understood that the flow guide assembly 50 comprises a first flow guide 51, a second flow guide 52, and a third flow guide 53, which are sequentially arranged and connected, wherein the first flow guide 51 is arranged perpendicular to the side wall of the smoke collecting cover, the second flow guide 52 is arranged parallel to the side wall of the smoke collecting cover, and the third flow guide 53 is arranged perpendicular to the side wall of the smoke collecting cover, that is, the first flow guide 51 and the second flow guide 52 are arranged in parallel, and the first flow guide 51 is arranged above the second flow guide 52, and the third flow guide 53 is arranged below the second flow guide 52, so that the first flow guide 60, the second flow guide 52, and the third flow guide 53 jointly enclose a "コ" shaped structure, and then the structure is fixed to the side wall of the smoke collecting cover 10 to form the flow guide structure 40.
[0061] It can be understood that the first flow guide 51 and the third flow guide 53 are the top and bottom of the flow guide assembly 50 respectively, and the second flow guide 52 is the middle of the flow guide assembly 50, and the first flow guide 51, the second flow guide 52, and the third flow guide 53 jointly enclose the flow guide structure 40.
[0062] It can be understood that the inside of the flow guide assembly 50 is communicated with the fan 20, the fan 20 can compress the airflow and input high-pressure airflow into the flow guide assembly 50, the airflow can flow in the flow guide assembly 50, and when the airflow flows to the first air outlet 11 and the second air outlet 12, the high-pressure airflow is sprayed from the first air outlet 11 and the second air outlet 12, so that the high-pressure airflow is generated at the first air outlet 11 and the second air outlet 12, so as to generate a high-pressure space at the upper part of the air inlet of the range hood 100, and then the effect of gathering smoke is achieved.
[0063] Please refer to Figure 5 and Figure 6 In some embodiments, the first flow guide 51 and the third flow guide 53 each comprise a first flow guide part 521, a second flow guide part 522, and a third flow guide part 523.
[0064] The first flow guide part 521, the third flow guide part 523, and the third flow guide part 523 are sequentially bent and connected.
[0065] The first flow guide part 521, the second flow guide part 522, and the third flow guide part 523 are each perpendicular to the side wall of the smoke collecting cover 10.
[0066] It can be understood that the first flow guide 51 and the third flow guide 53 have the same structure, and in the embodiment, the second flow guide 52 is taken as an example for description. The first flow guide 51 comprises a first flow guide part 521, a second flow guide part 522 and a third flow guide part 523. The first flow guide part 521, the second flow guide part 522 and the third flow guide part 523 are sequentially and perpendicularly connected, i.e. the first flow guide part 521 is perpendicular to the second flow guide part 522, and the second flow guide part 522 is perpendicular to the third flow guide part 523. The first flow guide part 521, the second flow guide part 522 and the third flow guide part 523 are all perpendicularly arranged on the side wall of the smoke hood 10, so as to form a fixed structure of the flow guide assembly 50. Then, the second flow guide 52 is fixed between the first flow guide 51 and the second flow guide 52, so as to form the flow guide structure 40.
[0067] Please refer to Figure 5 and Figure 6 In some embodiments, the third flow guide 53 comprises a first flow guide subpart 531, a second flow guide subpart 532, a third flow guide subpart 533, a fourth flow guide subpart 534 and a fifth flow guide subpart 535.
[0068] The first flow guide subpart 531, the second flow guide subpart 532, the third flow guide subpart 533, the fourth flow guide subpart 534 and the fifth flow guide subpart 535 are sequentially and perpendicularly connected.
[0069] The first flow guide subpart 531 and the second flow guide subpart 532 are connected with the first flow guide part 521, the third flow guide subpart 533 is connected with the second flow guide part 522, and the fourth flow guide subpart 534 and the fifth flow guide subpart 535 are connected with the third flow guide part 523.
[0070] It can be understood that the third flow guide 53 comprises a first flow guide subpart 531, a second flow guide subpart 532, a third flow guide subpart 533, a fourth flow guide subpart 534 and a fifth flow guide subpart 535. The first flow guide subpart 531, the second flow guide subpart 532, the third flow guide subpart 533, the fourth flow guide subpart 534 and the fifth flow guide subpart 535 are sequentially and perpendicularly connected, i.e. the first flow guide subpart 531 is perpendicular to the second flow guide subpart 532, the second flow guide subpart 532 is perpendicular to the third flow guide subpart 533, the second flow guide subpart 532 is perpendicular to the fourth flow guide subpart 534, and the fourth flow guide subpart 534 is perpendicular to the fifth flow guide subpart 535.
[0071] The first flow guide part 531 and the second flow guide part 532 are connected with the first flow guide part 521 in the first flow guide part 51 and the first flow guide part 521 in the second flow guide part 52, the third flow guide part is connected with the second flow guide part 522 in the first flow guide part 51 and the second flow guide part 522 in the second flow guide part 52, the fourth flow guide part and the fifth flow guide part 535 are connected with the third flow guide part 523 in the first flow guide part 51 and the third flow guide part 523 in the second flow guide part 52. The above-mentioned connection mode can be connected by welding, or can be directly connected by die casting, so that the side wall of the smoke collecting hood 10 cooperates to form a flow guide structure 40, so that the airflow flows in the flow guide structure 40.
[0072] Please refer to Figure 7 In some embodiments, further comprising: a plurality of flow guide plates 60;
[0073] A plurality of flow guide plates 60 are sequentially clamped between the second flow guide part 532 and the fourth flow guide part 534.
[0074] It can be understood that a plurality of flow guide plates 60 are arranged between the first flow guide part 531 and the second flow guide part 532, and the plurality of flow guide plates 60 are sequentially and spaced apart in the direction from left to right or from right to left as shown. Figure 7 The flow guide plates 60 can guide the oil fume to flow in the designed direction, so as to reduce the vortex and backflow of the oil fume in the flue, make the oil fume more smoothly discharged to the outside, and also change the airflow direction in the flue, so as to improve the flow rate of the oil fume in the smoke collecting hood 10, and achieve the purpose of improving the smoke exhaust efficiency.
[0075] Please refer to Figure 2 In some embodiments, further comprising: a wind wheel 70;
[0076] The wind wheel 70 is arranged in the smoke collecting hood 10, and the wind wheel 70 is located above the plurality of flow guide plates 60, and the wind wheel 70 is in communication with the smoke inlet 30.
[0077] It can be understood that the wind wheel 70 is arranged in the smoke collecting hood 10, and the wind wheel 70 is used for generating negative pressure in the smoke inlet 30 of the range hood 100, so that the oil fume can enter the range hood 100 through the smoke inlet 30, and then be discharged through the smoke outlet of the range hood. In this way, the oil fume can be reduced to diffuse to the entire kitchen space.
[0078] Please refer to Figure 9 In some embodiments, further comprising: an oil collecting groove 80;
[0079] The oil collecting groove 80 is detachably arranged on one side of the smoke collecting hood 10, and the oil collecting groove 80 is in communication with the inside of the smoke collecting hood 10, and is used for collecting the oil fume in the inside of the smoke collecting hood 10.
[0080] It can be understood that the oil collecting groove 80 is detachably arranged on the side of the baffle 90 close to the wall, and the oil collecting groove 80 is communicated with the inside of the fume hood 10, so that the oil stains generated after the oil fume in the fume hood 10 is cooled can be discharged into the oil collecting groove 80, and the oil fume in the fume hood 10 is collected, thereby facilitating the treatment of the oil fume.
[0081] Please refer to Figure 8 In some embodiments, the baffle 90 and the driving assembly 91 are further included.
[0082] The baffle 90 is arranged on the smoke inlet 30, the driving assembly 91 is arranged in the fume hood 10, the driving assembly 91 is connected with the baffle 90, and the driving assembly 91 is used for driving the baffle 90 to open or close the smoke inlet 30.
[0083] It can be understood that the driving assembly 91 is arranged in the fume hood 10, the baffle 90 is arranged on the smoke inlet 30, and the baffle 90 is connected with the driving assembly 91, so that when the range hood 100 is used, the baffle 90 is displaced by the driving assembly 91, the smoke inlet 30 is opened, and the range hood 100 can work normally, and after use, the baffle 90 is displaced again by the driving assembly 91, so that the smoke inlet 30 is closed, so that the baffle 90 can protect the range hood 100, and the range hood 100 is blocked by the baffle 90 when not in use, so that foreign matters can be prevented from entering the range hood.
[0084] Optionally, the above-mentioned driving assembly 91 can include a first rack and a driving piece.
[0085] The driving piece is arranged on the fume hood 10, the first rack is connected with the baffle 90, the first rack is connected with the driving piece, and the driving piece is used for driving the first rack to move up and down, thereby driving the baffle 90 to open or close the smoke inlet 30.
[0086] In the present application, the phrase "embodiment" or "embodiments" means that the specific features, structures or characteristics described in connection with the embodiment can be included in at least one embodiment of the present application. The appearance of the phrase in the specification does not necessarily mean the same embodiment, nor is it an independent or alternative embodiment to other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described in the present application can be combined with other embodiments. In addition, it should be understood that the features, structures or characteristics described in the embodiments of the present application can be combined with each other without contradiction, to form another embodiment which does not deviate from the spirit and scope of the technical scheme of the present application.
[0087] Finally, it should be noted that the above embodiments are merely intended to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the above preferred embodiments, those skilled in the art should understand that modifications or equivalent replacements of the technical solutions of the present application should not depart from the spirit and scope of the present application.
Claims
1. A range hood, characterized in that, include: A smoke collection hood is provided with a flow guiding structure inside the smoke collection hood. A first air outlet and a second air outlet are respectively provided on opposite sides of the smoke collection hood. The flow guiding structure is connected to the first air outlet and the second air outlet. A fan is installed inside the smoke hood. The fan has an air outlet that is connected to the air guide structure. The fan is used to blow airflow to the first air outlet and the second air outlet. The smoke inlet is located at the bottom of the smoke collection hood and is sandwiched between the first air outlet and the second air outlet.
2. The range hood according to claim 1, characterized in that, The flow guiding structure is arranged around the inner periphery of the smoke collection hood, and the flow guiding structure and the side wall of the smoke collection hood form a flow guiding cavity. The first air outlet and the second air outlet are both connected to the flow guiding cavity. The fan drives the airflow through the flow guiding structure and is discharged from the first air outlet and the second air outlet.
3. The range hood according to claim 2, characterized in that, The first air outlet and the second air outlet are formed by providing multiple openings on the side wall of the smoke collection hood, with the multiple openings spaced apart on the side wall of the smoke collection hood.
4. The range hood according to claim 1, characterized in that, Also includes: Traffic diversion components; The flow guiding assembly includes: a first flow guiding component, a second flow guiding component, and a third flow guiding component; The first guide member and the third guide member are disposed at a distance from the second guide member. The first guide member and the third guide member are both disposed perpendicular to the second guide member. The first guide member, the second guide member, the third guide member, and the inner wall of the smoke collection hood together form the guide structure.
5. The range hood according to claim 4, characterized in that, Both the first guide member and the third guide member include: a first guide portion, a second guide portion, and a third guide portion; The first flow guide, the third flow guide, and the third flow guide are sequentially bent and connected; The first guide section, the second guide section, and the third guide section are all perpendicular to the side wall of the smoke collection hood.
6. The range hood according to claim 5, characterized in that, The third flow guide includes: a first flow guide sub-section, a second flow guide sub-section, a third flow guide sub-section, a fourth flow guide sub-section, and a fifth flow guide sub-section; The first flow guide sub-section, the second flow guide sub-section, the third flow guide sub-section, the fourth flow guide sub-section, and the fifth flow guide sub-section are sequentially bent and connected; The first and second flow guiding sub-parts are both connected to the first flow guiding part, the third flow guiding sub-part is connected to the second flow guiding part, and the fourth and fifth flow guiding sub-parts are both connected to the third flow guiding part.
7. The range hood according to claim 6, characterized in that, Also includes: Multiple deflectors; Multiple flow guides are sequentially sandwiched between the second flow guide sub-section and the fourth flow guide sub-section.
8. The range hood according to claim 7, characterized in that, Also includes: Windmill; The impeller is disposed inside the smoke collection hood, the impeller is located above the plurality of guide plates, and the impeller is connected to the smoke inlet.
9. The range hood according to claim 1, characterized in that, It also includes oil collection tanks; The oil collection troughs are detachably installed on both sides of the fume hood, and the oil collection troughs are connected to the interior of the fume hood to collect the oil fumes inside the fume hood.
10. The range hood according to claim 1, characterized in that, Also includes: baffles and drive components; The baffle is disposed at the smoke inlet, the drive assembly is disposed inside the smoke collection hood, the drive assembly is connected to the baffle, and the drive assembly is used to drive the baffle to open or close the smoke inlet.