CN217329916U - Fume exhauster - Google Patents

Abstract

The utility model discloses a range hood, include: the device comprises a smoke collection assembly, an air cabinet assembly and an oil smoke sensing device; the smoke collection component is used for collecting oil smoke; the air cabinet component is provided with an inner cavity and an oil smoke detection hole, the inner cavity is communicated with the smoke collection component, and the oil smoke detection hole penetrates through the inner cavity from the top of the air cabinet component; the oil smoke induction device is arranged at the oil smoke detection hole and used for detecting the concentration of the oil smoke in the inner cavity. The utility model provides a range hood, an oil smoke induction device is arranged on the top of an air cabinet component and is arranged on an oil smoke detection hole, so that each part is convenient to disassemble and assemble and has strong practicability; when the smoke collecting assembly collects oil smoke and then enters the inner cavity, the oil smoke sensing device can accurately detect the concentration of the oil smoke in the inner cavity.

Description

Fume exhauster

Technical Field

The utility model relates to a kitchen guarding technical field especially relates to a lampblack absorber.

Background

Most of the traditional range hoods control and operate the range hoods by a key (touch) type or gesture control or voice control, and the intelligent level is low, so people are required to actively control the range hoods; the user experience is general, and consumers urgently need a range hood capable of automatically controlling the wind speed performance parameters of the range hood according to the cooking state. But the oil smoke induction system of most lampblack absorber sets up in the lampblack absorber bottom, and at the in-process of work, can only survey the outside oil smoke concentration of lampblack absorber, can not detect whether the oil smoke really inhales in the inner chamber.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of range hood, its oil smoke induction system who aims at solving current range hood sets up in the lampblack absorber bottom, can only survey the outside oil smoke concentration of range hood, can not monitor whether the oil smoke really inhales the technical problem in the inner chamber.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a range hood, comprising:

the smoke collection component is used for collecting oil smoke;

the air cabinet assembly is provided with an inner cavity and an oil smoke detection hole, the inner cavity is communicated with the smoke collection assembly, and the oil smoke detection hole penetrates through the inner cavity from the top of the air cabinet assembly;

and the oil smoke sensing device is arranged at the oil smoke detection hole and used for detecting the oil smoke concentration in the inner cavity.

Optionally, oil smoke induction system is including installation shell, light emission component and light receiving element, and the installation shell is installed in oil smoke detection hole department, and light emission component and light receiving element all locate the installation shell, and light emission component is used for following oil smoke detection hole department and towards intracavity transmitted light, and light receiving element is used for the light of shining out in the receiving inner chamber of oil smoke detection hole department.

Optionally, the mounting housing is formed with an accommodating cavity, a first light-transmitting portion and a second light-transmitting portion; the light emitting element and the light receiving element are both arranged in the accommodating cavity, the first light transmission part is arranged opposite to the light emitting element, and the light emitted by the light emitting element is used for detecting the concentration of the oil smoke in the inner cavity through the first light transmission part; the second light transmission part is arranged opposite to the light receiving element, and the light receiving element is used for receiving light irradiated from the inner cavity through the second light transmission part.

Optionally, the first light-transmitting portion and the second light-transmitting portion are both through holes.

Optionally, the lampblack sensing device further comprises a light transmission piece, and the light transmission piece is connected with the installation shell and covers the first light transmission part and the second light transmission part.

Optionally, the oil smoke induction system still includes circuit board and shading subassembly, circuit board and printing opacity piece interval are installed in the holding intracavity, and light emission component and light receiving component all locate on the circuit board and all set up towards the printing opacity piece, and the both ends of shading subassembly butt respectively in circuit board and printing opacity piece, and the shading subassembly includes first shading cover and second shading cover, and the outside of light emission component is located to first shading cover, and the outside of light receiving component is located to second shading cover.

Optionally, one side of the light-transmitting element facing the circuit board is convexly provided with a first annular protrusion and a second annular protrusion, the outer side wall of one end of the first shading sleeve abuts against the inner side wall of the first annular protrusion, and the outer side wall of one end of the second shading sleeve abuts against the inner side wall of the second annular protrusion.

Optionally, the mounting case includes a base and a cover plate, the base is formed with a cavity, a first light-transmitting portion and a second light-transmitting portion, and the cover plate covers the base and encloses with the base to form the cavity.

Optionally, a supporting boss and a plurality of elastic limiting parts are arranged on the inner side wall of the cavity, the light-transmitting piece is supported on the supporting boss, the elastic limiting parts are arranged above the supporting boss at intervals, and the light-transmitting piece, the shading assembly and the circuit board are sequentially stacked between the supporting boss and the elastic limiting parts; and/or the presence of a gas in the atmosphere,

the base comprises a base body and a connecting part; the base body is formed with cavity, first printing opacity portion and second printing opacity portion, and the base body wears to locate in the oil smoke inspection hole and extend towards the inner chamber, and the one end of base body is located to connecting portion and set up outside the oil smoke inspection hole, and the apron passes through fastener connection connecting portion and wind cabinet subassembly.

Optionally, the air cabinet assembly comprises an air cabinet and a fan, the air cabinet is provided with an inner cavity and an oil smoke detection hole, and the fan is arranged in the inner cavity; the range hood further comprises a control panel, the control panel is installed at the top of the air cabinet assembly, and the control panel is used for controlling the fan to work according to detection information fed back by the oil smoke sensing device.

The beneficial effects of the utility model reside in that: the utility model provides a range hood sets up oil smoke inspection hole installation oil smoke induction system at wind cabinet subassembly top to real-time supervision gets into the oil smoke concentration in the wind cabinet subassembly inner chamber through the oil smoke that collection cigarette subassembly was collected. So, the lampblack absorber is at the in-process that uses, the condition of discharging fume of monitoring oil smoke that can be more accurate. Because oil smoke induction system installs at wind cabinet subassembly top, each part is easy dismounting also, has improved user's use and has experienced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic perspective view of a range hood provided by an embodiment of the present invention;

fig. 2 is a front view partial section view of the range hood provided by the embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is an exploded view of the oil smoke sensing device provided by the embodiment of the present invention;

fig. 5 is a schematic perspective view of a circuit board according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a base according to an embodiment of the present invention.

The reference numbers illustrate:

1. a range hood;

10. a smoke collection assembly;

20. a wind cabinet assembly;

21. an inner cavity; 22. oil smoke detection holes; 23. a wind cabinet; 24. a fan;

30. a fume sensing device;

31. mounting a shell; 310. a base; 311. a base body; 3111. a concave cavity; 31111. supporting the boss; 31112. a plurality of elastic limiting parts; 3112. a first light-transmitting portion; 3113. a second light-transmitting portion; 312. a connecting portion; 320. a cover plate; 32. a light emitting element; 33. a light receiving element; 34. an accommodating cavity; 37. a light transmissive member; 371. a first annular projection; 372. a second annular embossment; 38. a circuit board; 39. a shading component; 391. a first light-shielding sleeve; 392. a second light-shielding sleeve;

40. and a control panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, if the specific posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or be indirectly connected to the other element through intervening elements.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 3, a range hood 1 according to an embodiment of the present invention includes: a smoke collection assembly 10 for collecting the oil smoke; the air cabinet component 20 is provided with an inner cavity 21 and an oil smoke detection hole 22, the inner cavity 21 is communicated with the smoke collection component 10 to form a smoke exhaust channel, and the oil smoke detection hole 22 penetrates through the inner cavity 21 from the top of the air cabinet component 20; the smoke sensing device 30 is disposed at the smoke detecting hole 22 for detecting the concentration of smoke in the inner cavity 21. The lampblack absorber 1 of this embodiment collects the oil smoke through smoke collection component 10, and the oil smoke enters into the inner chamber 21 of wind cabinet component 20, and at this moment, the oil smoke inspection hole 22 at the top of wind cabinet component 20 sets up oil smoke induction system 30, and the oil smoke concentration that enters into inner chamber 21 can be detected more accurately. When the external environment has a large amount of oil smoke, the detection of the oil smoke sensing device 30 can further determine whether the smoke collecting assembly 10 of the range hood 1 works normally or not, and whether the oil smoke is effectively collected or not.

Referring to fig. 3 and 4, as an embodiment, the lampblack sensing device 30 includes a mounting shell 31, a light emitting element 32 and a light receiving element 33, the mounting shell 31 is mounted at the lampblack detection hole 22, the light emitting element 32 and the light receiving element 33 are both disposed in the mounting shell 31, the light emitting element 32 is used for emitting light from the lampblack detection hole 22 to the inner cavity 21, and the light receiving element 33 is used for receiving light emitted from the inner cavity 21 from the lampblack detection hole 22. In this embodiment, the light emitting element 32 and the light receiving element 33 are both disposed in the mounting shell 31, and the mounting shell 31 can effectively prevent the external environment from polluting the elements, thereby prolonging the service life of the elements; when the light emitting element 32 and the light receiving element 33 emit and receive light into the inner cavity 21 through the soot detection hole 22 without being blocked by other components, the concentration of soot entering the inner cavity 21 can be effectively detected. Of course, alternatively, the light emitting element 32 and the light receiving element 33 may be provided on the mounting case 31, facing the inner cavity 21 side.

Referring to fig. 3, as an embodiment, the mounting case 31 is formed with a receiving cavity 34, a first transparent portion 3112 and a second transparent portion 3113; the light emitting element 32 and the light receiving element 33 are both installed in the accommodating cavity 34, so that pollution caused by long-term high-temperature and high-humidity kitchen environment can be avoided, and detection sensitivity is further caused. The first light-transmitting part 3112 is arranged opposite to the light-emitting element 32, and light emitted by the light-emitting element 32 passes through the first light-transmitting part 3112 to detect the concentration of oil smoke in the inner cavity 21; the second light-transmitting portion 3113 is disposed opposite to the light-receiving element 33, and the light-receiving element 33 is configured to receive light irradiated from the inner cavity 21 through the second light-transmitting portion 3113. In this embodiment, the light emitting element 32 and the light receiving element 33 emit and receive light through different light-transmitting portions, so that interference caused by paths of light in the working process of each element and influence on detection accuracy can be prevented.

Referring to fig. 3, as an embodiment, the first light-transmitting portion 3112 and the second light-transmitting portion 3113 are through holes, and light can effectively pass through the through holes to detect the concentration of oil smoke in the inner cavity 21, thereby improving the light-transmitting effect. Of course, alternatively, the first light-transmitting portion 3112 and the second light-transmitting portion 3113 may be light-transmitting members made of a transparent material.

Referring to fig. 3, as an embodiment, the smoke sensing device 30 further includes a light-transmitting member 37, and the light-transmitting member 37 is connected to the mounting housing 31 and covers the first light-transmitting portion 3112 and the second light-transmitting portion 3113. In this embodiment, the light-transmitting member 37 not only can guide the emitted light to the first light-transmitting portion 3112, but also can guide the received light to the light-receiving element 33 from the second light-transmitting portion 3113, so as to improve the light utilization rate, and also can prevent the oil smoke in the inner cavity 21 from polluting the light-emitting element 32 and the light-receiving element 33 through the first light-transmitting portion 3112 and the second light-transmitting portion 3113, thereby prolonging the service life of each element.

Referring to fig. 3 to 5, as an embodiment, the oil smoke sensing device 30 further includes a circuit board 38 and a light shielding assembly 39, the circuit board 38 and the light-transmitting member 37 are installed in the accommodating cavity 34 at intervals, the light emitting element 32 and the light receiving element 33 are both disposed on the circuit board 38 and both facing the light-transmitting member 37, two ends of the light shielding assembly 39 are respectively abutted against the circuit board 38 and the light-transmitting member 37, the light shielding assembly 39 includes a first light shielding sleeve 391 and a second light shielding sleeve 392, the first light shielding sleeve 391 is disposed outside the light emitting element 32, and the second light shielding sleeve 392 is disposed outside the light receiving element 33. In this embodiment, the circuit board 38 is provided with the light emitting element 32 and the light receiving element 33, which facilitates the overall installation; in addition, two ends of the light shielding assembly 39 are respectively abutted against the circuit board 38 and the light-transmitting member 37, and the first light shielding sleeve 391 and the second light shielding sleeve 392 are respectively sleeved on the two elements, so that light focusing and light guiding effects are facilitated, mutual noninterference in work is realized, and a supporting effect can be further achieved. Of course, in a specific application, the light emitting element 32 and the light receiving element 33 may alternatively be separately and independently mounted, and both may be disposed toward the light-transmitting member 37, not on the circuit board 38.

As an embodiment, the first light-shielding sleeve 391 and the second light-shielding sleeve 392 are rubber sleeves, which are compressed after assembly, and can completely cover the gap between the circuit board 38 and the light-transmitting member 37, thereby ensuring the light-shielding effect and providing excellent air permeability.

Referring to fig. 3 and 4, as an embodiment, a first annular protrusion 371 and a second annular protrusion 372 are protruded from one side of the light-transmitting member 37 facing the circuit board 38, an outer sidewall of one end of the first light-shielding sleeve 391 abuts against an inner sidewall of the first annular protrusion 371, and an outer sidewall of one end of the second light-shielding sleeve 392 abuts against an inner sidewall of the second annular protrusion 372. In this embodiment, the first annular protrusion 371 and the second annular protrusion 372 protruding toward one side of the circuit board 38 of the light-transmitting member 37 can press the first light-shielding sleeve 391 and the second light-shielding sleeve 392 to be limited, so that the light-shielding member can be quickly positioned during installation.

Referring to fig. 3 to 6, as an embodiment, the mounting case 31 includes a base 310 and a cover 320, the base 310 is formed with a cavity 3111, a first light-transmitting portion 3112 and a second light-transmitting portion 3113, and the cover 320 is disposed on the base 310 and encloses the base 310 to form a cavity 3111. In this embodiment, the concave cavity 3111, the first light-transmitting portion 3112 and the second light-transmitting portion 3113 of the base 310 extend towards the inner cavity 21, so that the light-guiding effect of light can be improved, and the accuracy of detecting the concentration of oil and smoke in the inner cavity 21 is effectively improved; the cover plate 320 covers the base 310, and effectively prevents the outside environment from polluting the components in the mounting shell 31.

Referring to fig. 3 to 6, as an embodiment, a supporting boss 31111 and a plurality of elastic limiting portions 31112 are disposed on an inner side wall of the cavity 3111, the light-transmitting member 37 is supported on the supporting boss 31111, the elastic limiting portions are spaced above the supporting boss 31111, and the light-transmitting member 37, the light-shielding member 39 and the circuit board 38 are sequentially stacked between the supporting boss 31111 and the elastic limiting portions 31112; the arrangement of the supporting boss 31111 and the elastic limiting portions 31112 enables the light-transmitting member 37, the light-shielding assembly 39 and the circuit board 38 to be closely connected and positioned, and the light-transmitting member, the light-shielding assembly and the circuit board are accommodated in the inner cavity 21, so that the installation space is saved, and the light-guiding effect of light is effectively improved.

As an embodiment, the base 310 includes a base body 311 and a connection part 312; the base body 311 is formed with a concave cavity 3111, a first light transmission part 3112 and a second light transmission part 3113, and the base body 311 is arranged in the oil smoke detection hole 22 in a penetrating manner and extends towards the inner cavity 21, so that the detection distance of light guiding is further shortened, and the oil smoke concentration in the inner cavity 21 is effectively and accurately detected; the connecting part 312 is arranged at one end of the base body 311 and is erected outside the oil smoke detection hole 22, and the cover plate 320 is connected with the connecting part 312 and the air cabinet component 20 through a fastening piece.

Referring to fig. 2 and 3, as an embodiment, the air cabinet assembly 20 includes an air cabinet 23 and a fan 24, the air cabinet 23 is formed with an inner cavity 21 and a smoke detection hole 22, and the fan 24 is installed in the inner cavity 21; the range hood 1 further comprises a control panel 40, the control panel 40 and the oil smoke sensing device 30 are both installed at the top of the air cabinet assembly 20, the control panel 40 is more favorable for being electrically connected with the oil smoke sensing device 30, and the control panel 40 can control the fan 24 to work according to detection information fed back by the oil smoke sensing device 30 in time. When the range hood 1 is started to work, the control panel 40 controls the detection function of the oil smoke sensing device 30 to be started; when the oil smoke sensing device 30 detects the change of the oil smoke concentration, the main control board controls the fan 24 to adjust the wind speed gear, so that the function of automatically adjusting the wind speed is achieved, and the oil smoke is effectively discharged in an energy-saving manner.

The working process of the range hood 1 of the embodiment is briefly described below with reference to fig. 1 to 6:

the embodiment of the utility model provides a lampblack absorber 1, after the oil smoke is collected to collection cigarette subassembly 10, the oil smoke enters into the inner chamber 21 of wind cabinet subassembly 20, locates the oil smoke induction system 30 at wind cabinet subassembly 20 top, through oil smoke inspection hole 22 department, detects the oil smoke concentration in inner chamber 21, and sensitive response gets into the oil smoke concentration of inner chamber 21. When oil smoke is detected, the control panel 40 accurately and automatically starts the fan 24 to work, the air speed of the range hood 1 is automatically adjusted according to the concentration of the oil smoke, when the oil smoke is large, the air speed of the range hood 1 can be accelerated, the oil smoke is thoroughly discharged, kitchen pollution is reduced, kitchen air is purified, and harm to the health of a user is reduced; when the oil smoke is small, the wind speed of the range hood 1 is reduced in time, and the energy consumption is reduced.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. A range hood, comprising:

the smoke collection assembly is used for collecting oil smoke;

the air cabinet assembly is provided with an inner cavity and an oil smoke detection hole, the inner cavity is communicated with the smoke collection assembly, and the oil smoke detection hole penetrates through the inner cavity from the top of the air cabinet assembly;

and the oil smoke sensing device is arranged at the oil smoke detection hole and used for detecting the concentration of the oil smoke in the inner cavity.

2. The range hood of claim 1, wherein the range hood comprises a mounting housing, a light emitting element and a light receiving element, the mounting housing is mounted at the range hood detection hole, the light emitting element and the light receiving element are both disposed on the mounting housing, the light emitting element is configured to emit light from the range hood detection hole toward the inner cavity, and the light receiving element is configured to receive light emitted from the inner cavity from the range hood detection hole.

3. A range hood as set forth in claim 2, wherein the mounting case is formed with a receiving chamber, a first light-transmitting portion and a second light-transmitting portion; the light emitting element and the light receiving element are both arranged in the accommodating cavity, the first light transmission part is arranged opposite to the light emitting element, and the light emitted by the light emitting element penetrates through the first light transmission part to detect the concentration of the oil smoke in the inner cavity; the second light-transmitting part is arranged opposite to the light receiving element, and the light receiving element is used for receiving light irradiated from the inner cavity through the second light-transmitting part.

4. A range hood according to claim 3, wherein both of said first light-transmitting portion and said second light-transmitting portion are through holes.

5. The range hood of claim 4, wherein the smoke sensing device further comprises a light transmissive member connected to the mounting housing and covering the first and second light transmissive portions.

6. The range hood of claim 5, wherein the lampblack sensor further comprises a circuit board and a light shielding assembly, the circuit board and the light-transmitting piece are mounted in the accommodating cavity at intervals, the light emitting element and the light receiving element are arranged on the circuit board and face the light-transmitting piece, two ends of the light shielding assembly are abutted to the circuit board and the light-transmitting piece respectively, the light shielding assembly comprises a first light shielding sleeve and a second light shielding sleeve, the first light shielding sleeve is arranged on the outer side of the light emitting element, and the second light shielding sleeve is arranged on the outer side of the light receiving element.

7. The range hood of claim 6, wherein a first annular protrusion and a second annular protrusion are convexly arranged on one side of the light-transmitting member facing the circuit board, the outer side wall of one end of the first light shielding sleeve abuts against the inner side wall of the first annular protrusion, and the outer side wall of one end of the second light shielding sleeve abuts against the inner side wall of the second annular protrusion.

8. A range hood as claimed in any one of claims 6 to 7, wherein the mounting housing includes a base and a cover plate, the base is formed with a cavity, the first light transmitting portion and the second light transmitting portion, and the cover plate covers the base and encloses the base to form the cavity.

9. The range hood according to claim 8, wherein a supporting boss and a plurality of elastic limiting parts are arranged on the inner side wall of the cavity, the light-transmitting piece is supported on the supporting boss, the elastic limiting parts are arranged above the supporting boss at intervals, and the light-transmitting piece, the light-shielding assembly and the circuit board are sequentially stacked between the supporting boss and the elastic limiting parts; and/or the presence of a gas in the atmosphere,

the base comprises a base body and a connecting part; the base body is formed with the cavity, first printing opacity portion and second printing opacity portion, just the base body wears to locate in the oil smoke inspection hole and towards the inner chamber extends, connecting portion locate the one end of base body sets up outside the oil smoke inspection hole, the apron passes through the fastener and connects connecting portion with the wind cabinet subassembly.

10. The range hood according to any one of claims 1 to 7, wherein the air cabinet assembly comprises an air cabinet and a fan, the air cabinet is formed with the inner cavity and the oil smoke detection hole, and the fan is installed in the inner cavity; the range hood further comprises a control panel, the control panel is installed at the top of the air cabinet assembly, and the control panel is used for controlling the fan to work according to detection information fed back by the oil fume sensing device.

Images