CN212339356U - Greasy dirt detection device and lampblack absorber - Google Patents
Greasy dirt detection device and lampblack absorber Download PDFInfo
- Publication number
- CN212339356U CN212339356U CN202022011592.0U CN202022011592U CN212339356U CN 212339356 U CN212339356 U CN 212339356U CN 202022011592 U CN202022011592 U CN 202022011592U CN 212339356 U CN212339356 U CN 212339356U
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- detection device
- greasy dirt
- range hood
- control device
- cigarette board
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- 238000001514 detection method Methods 0.000 title claims abstract description 48
- 239000006096 absorbing agent Substances 0.000 title abstract description 10
- 239000006233 lamp black Substances 0.000 title abstract description 10
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims abstract description 19
- 239000000779 smoke Substances 0.000 claims description 64
- 238000004140 cleaning Methods 0.000 claims description 20
- 238000002834 transmittance Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000011109 contamination Methods 0.000 claims description 16
- 239000003595 mist Substances 0.000 claims description 15
- 230000004888 barrier function Effects 0.000 claims description 14
- 238000000889 atomisation Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Abstract
The utility model discloses an greasy dirt detection device and lampblack absorber, wherein, greasy dirt detection device includes the protective housing, is equipped with on the protective housing and dodges the hole, dodges on the inner wall of the protective housing of hole both sides relative setting light emitter and photoreceiver, still includes transparent fender cigarette board, keeps off the cigarette board and shelters from when dodging the hole, keeps off the cigarette board and collects the greasy dirt, keeps off the cigarette board and receives the drive when rotating between light emitter and the photoreceiver, acquires the variable quantity that keeps off the cigarette board luminousness in order to confirm greasy dirt volume. Greasy dirt detection device simple structure, the mountable is at the optional position of casing, light emitter and photoreceiver set up in the protective housing, avoid the greasy dirt to its influence that causes, improve and detect the precision.
Description
Technical Field
The utility model relates to a lampblack absorber especially relates to an greasy dirt detection device and lampblack absorber.
Background
A large amount of oil smoke is generated during cooking and frying, and the oil smoke can greatly damage the health of a human body. Meanwhile, the oil smoke will be scattered to the kitchen and all corners of adjacent rooms, and absorb dust, forming stubborn oil stain which is difficult to remove. The range hood can efficiently discharge oil smoke in a kitchen out of the kitchen, and greatly reduces the influence of the kitchen on families, so the range hood is popular with consumers. However, in the process of removing oil smoke by the range hood, oil stains are accumulated on the inner part and the outer part of the range hood, and the range hood needs to be cleaned regularly. Many range hoods on the market do not have the lampblack absorber and wash and remind at present, even there is this function, also carry out through the mode of setting for reminding the time basically, can't judge whether should wash according to user's in-service use condition.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an oil stain detection device and a range hood, which solve the technical problem of low precision of the oil stain detection device in the existing range hood; on the other hand to solve the technical problem that the cleaning time of the existing range hood cannot be accurately determined.
In order to achieve the above object, the utility model discloses a greasy dirt detection device and lampblack absorber's concrete technical scheme as follows:
the utility model provides an greasy dirt detection device, includes the protective housing, is equipped with on the protective housing and dodges the hole, dodges on the inner wall of the protective housing of hole both sides relative setting light emitter and light receiver, still includes the transparent cigarette board that keeps off, keeps off the cigarette board and shelters from when dodging the hole, keeps off the cigarette board and collects the greasy dirt, keeps off the cigarette board and receives the drive and rotates to the light emitter and the light receiver between the time, acquires the variable quantity that keeps off the cigarette board luminousness in order to confirm the greasy dirt volume.
Further, the lateral wall that keeps off the cigarette board is equipped with the connecting rod, and the connecting rod is fixed in the drive shaft of motor, and the motor is fixed on the inner wall of protective housing.
Furthermore, the side walls of the two ends of the smoke baffle plate are provided with guide surfaces, the avoidance hole is provided with a guide cambered surface matched with the guide surfaces, and the guide surfaces are distributed on a cylindrical surface taking the axial lead of the motor as the axial lead.
Further, the smoke baffle is made of transparent glass or acrylic materials.
The utility model provides a range hood, is equipped with controlling means and foretell greasy dirt detection device including the casing that has the wind channel in the casing, and greasy dirt detection device sets up in the wind channel, and greasy dirt detection device is connected with the controlling means electricity, and when controlling means detected the ratio of real-time luminousness and initial luminousness and was less than the threshold value, controlling means suggestion was washd.
Further, greasy dirt detection device sets up on the outer wall of wind channel air intake department casing, and after the detection finishes, cleans the fender cigarette board surface through the wiper.
Further, greasy dirt detection device sets up in the inside casing in wind channel, and shells inner wall still is equipped with the belt cleaning device who is used for wasing the cigarette board that keeps off.
Furthermore, the cleaning device comprises a mist outlet pipe used for spraying steam to the smoke baffle, a spray head is arranged at the end part of the mist outlet pipe and is opposite to the smoke baffle, the other end of the mist outlet pipe is communicated with an atomization box, an electromagnetic valve is arranged on the mist outlet pipe, and the electromagnetic valve is electrically connected with the control device.
Furthermore, a heating plate is arranged at the bottom of the atomization box, the atomization box is communicated with a water inlet pipe, a water inlet valve is arranged on the water inlet pipe, a liquid level sensor is arranged in the atomization box, and the water inlet valve and the liquid level sensor are respectively and electrically connected with the control device.
Further, still including setting up the display screen at casing bottom outer wall, the display screen is connected with controlling means electricity, and when controlling means obtained the ratio of real-time luminousness and initial luminousness and was less than the threshold value, the display screen shows suggestion cleaning information.
The utility model discloses an greasy dirt detection device and lampblack absorber have following advantage:
greasy dirt detection device simple structure, the mountable is at the optional position of casing, light emitter and photoreceiver set up in the protective housing, avoid the greasy dirt to its influence that causes, improve and detect the precision. The cleaning time of the range hood can be judged by detecting the light transmittance of the smoke baffle. After detection is finished, oil stains on the smoke baffle are removed through wiping or high-temperature water mist spray washing, so that the oil stain detection device can be repeatedly used.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of the range hood of the present invention;
fig. 2 is a schematic structural view of the oil contamination detection device of the present invention;
FIG. 3 is a schematic structural view of the oil contamination detecting device of the present invention during detection;
fig. 4 is a perspective view of a second embodiment of the range hood of the present invention;
fig. 5 is a flow chart of the control method of the range hood of the present invention.
The reference numbers in the figures illustrate: 1. a housing; 2. a smoke guide pipe; 3. an oil contamination detection device; 31. a protective shell; 311. avoiding holes; 32. a light emitter; 33. an optical receiver; 34. a smoke baffle; 341. a guide surface; 35. a motor; 4. a cleaning device; 41. a mist outlet pipe; 42. an atomization box; 43. heating the plate; 44. a water inlet pipe; 45. an electromagnetic valve; 5. a display screen.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings.
The utility model provides an oil stain detection device, the setting is in the lampblack absorber that has following structure, as shown in fig. 1, the lampblack absorber is including the casing 1 that has the wind channel, the air intake setting in wind channel is in 1 bottom surface of casing, the air outlet setting in wind channel is at 1 top surface of casing, be equipped with the fan in the casing 1, controlling means and oil stain detection device 3, oil stain detection device 3 can set up the optional position in the wind channel, oil stain detection device 3 is connected with the controlling means electricity, when controlling means detects the ratio of the real-time luminousness of keeping off cigarette board 34 and initial luminousness and is less than the threshold value, controlling means suggestion is wash. The top surface of the shell 1 is provided with a smoke guide pipe 2 communicated with the shell 1, and the air outlet of the air duct is communicated with the smoke guide pipe 2. The installation position of the oil stain detection device 3 is not limited, and the installation requirement is reduced.
As shown in fig. 2-3, the oil contamination detection device 3 includes a protective shell 31, a light emitter 32 and a light receiver 33 are oppositely disposed on the inner side wall opposite to the protective shell 31, along the oil contamination transmission direction, a avoiding hole 311 is disposed on the protective shell 31, the avoiding hole 311 is disposed on the protective shell 31 in the upstream direction of the oil contamination transmission, the oil contamination detection device further includes a transparent smoke baffle 34, the smoke baffle 34 is used for collecting oil contamination, when the smoke baffle 34 blocks the avoiding hole 311, the oil contamination is attached to the smoke baffle 34, and when the smoke baffle 34 is driven to rotate to a position between the light emitter 32 and the light receiver 33, the amount of the oil contamination is determined by obtaining the variation of the light transmittance of the smoke baffle 34. The oil stain is collected through the transparent smoke baffle 34, when the oil stain is used, the oil stain is not adhered to the smoke baffle 34, the smoke baffle 34 is rotated and placed between the light emitter 32 and the light receiver 33, the light emitter 32 emits light which is captured by the light receiver 33 after passing through the smoke baffle 34, at the moment, the intensity of a light signal received by the light receiver 33 is maximum, namely, an initial intensity value, and the ratio of the initial intensity value to the light intensity value of the light emitted by the light emitter 32 is the initial light transmittance; after the detection is finished, the smoke baffle 34 is rotated to cover the avoiding hole 311, after the range hood is used, oil stains adhered to the smoke baffle 34 are gradually increased, the light transmittance of the smoke baffle 34 is reduced, the smoke baffle 34 is rotated to detect again, the light receiver 33 receives the intensity value of the light signal, namely the real-time intensity value, the ratio of the real-time intensity value to the light intensity value of the light emitted by the light emitter 32 is the real-time light transmittance, and when the ratio of the real-time light transmittance to the initial light transmittance is smaller than a preset value, the oil smoke accumulation is serious and the range hood needs to be cleaned.
The smoke barrier 34 is made of high-light-transmission glass, acrylic and other materials, the light transmittance of the smoke barrier 34 is more than 95%, and the light emitter 32 can be an infrared emitter or a laser emitter 32.
The side wall of the smoke baffle 34 is provided with a connecting rod which is fixed on the driving shaft of the motor 35, and the motor 35 is fixed on the inner wall of the protective shell 31. In order to prevent the detection area of the smoke barrier 34 from being blocked, the connecting rod divides the smoke barrier 34 into a longer section and a shorter section, the length of the longer section is 2-4 times that of the shorter section, and after the motor 35 drives the smoke barrier 34 to rotate for 90 degrees, the longer section is arranged between the light emitter 32 and the light receiver 33.
In order to enable the smoke baffle 34 to rotate smoothly and ensure that the smoke baffle 34 seals the avoiding hole 311, the side walls of the two ends of the smoke baffle 34 are provided with guide surfaces 341, the avoiding hole 311 is provided with a guide arc surface matched with the guide surfaces 341, and the guide surfaces 341 are distributed on a cylindrical surface taking the axial lead of the motor 35 as the axial lead.
In one embodiment, as shown in fig. 1, the oil contamination detecting device 3 may be disposed on an outer wall of the casing 1 at the air inlet of the air duct, after the detection is completed, a user uses a wiping member such as a rag to wipe the surface of the smoke baffle 34 to remove the oil contamination adhered to the smoke baffle 34, and the disposed position is convenient for wiping the smoke baffle 34 to achieve the resetting of the oil contamination detecting device 3.
In another embodiment, as shown in fig. 4, the oil contamination detecting device 3 may also be disposed in the casing 1 inside the air duct, and the inner wall of the casing 1 is further provided with a cleaning device 4 for cleaning the smoke barrier 34.
The cleaning device 4 comprises a mist outlet pipe 41 used for spraying steam to the smoke baffle 34, a nozzle is arranged at the end part of the mist outlet pipe 41 and is opposite to the smoke baffle 34, the other end of the mist outlet pipe 41 is communicated with an atomizing box 42, an electromagnetic valve 45 is arranged on the mist outlet pipe 41, and the electromagnetic valve 45 is electrically connected with a control device so as to control the opening of the cleaning device 4.
The bottom of the atomization box 42 is provided with a heating plate 43, the atomization box 42 is provided with a water inlet, the water inlet is communicated with a water inlet pipe 44, the water inlet pipe 44 is communicated with a water source, the water inlet pipe 44 is provided with a water inlet valve, the atomization box 42 is internally provided with a liquid level sensor, and the water inlet valve and the liquid level sensor are respectively electrically connected with a control device.
In order to remind the user to clean the range hood in real time, the range hood further comprises a display screen 5 arranged on the outer wall of the bottom of the shell 1, the display screen 5 is electrically connected with the control device, and when the control device obtains that the ratio of the real-time strength value to the initial strength value is smaller than a threshold value, the display screen 5 displays prompts of cleaning words such as 'cleaning of the range hood' and the like so as to prompt the user to clean the range hood in time.
As shown in fig. 5, the present application further provides a control method of a range hood, which mainly includes the following steps:
obtaining initial light transmittance: before the oil stain detection device 3 is used, the smoke barrier 34 is rotated to a position between the light emitter 32 and the light receiver 33, and after the initial light transmittance of the smoke barrier 34 is obtained, the smoke barrier 34 is rotated to shield the avoidance hole 311;
acquiring actual light transmittance: after the cooking of the range hood is finished, rotating the smoke baffle 34 to a position between the light emitter 32 and the light receiver 33 to obtain the actual light transmittance of the smoke baffle 34;
a judging step: and when the ratio of the actual light transmittance to the initial light transmittance is smaller than a preset value, prompting to clean the range hood.
After the range hood is cleaned, in order to continuously detect the oil stain detection device 3, the smoke baffle 34 needs to be cleaned, and the method further comprises a resetting and cleaning step, wherein the smoke baffle 34 is rotated to shield the avoiding hole 311, and oil stains adhered to the smoke baffle 34 are removed.
The exposed surface of the smoke barrier 34 is wiped with a wiping member such as a rag to remove the adhered oil stain.
Alternatively, the control device opens the heating plate 43, steam is continuously generated in the atomization box 42, the control device opens the electromagnetic valve 45, and the nozzle sprays the steam to the exposed surface of the smoke barrier 34 to remove oil stains.
The method also comprises a reminding step, and the control device displays reminding information on the display screen 5 so as to remind a user of cleaning the range hood in time.
This greasy dirt detection device 3 simple structure, the mountable is in the optional position of casing 1, and light emitter 32 and light receiver 33 set up in protecting sheathing 31, avoid the greasy dirt to its influence that causes, improve and detect the precision. The cleaning time of the range hood can be determined by detecting the light transmittance of the smoke baffle 34. After the detection is finished, the oil stain on the smoke baffle 34 is removed through wiping or high-temperature water mist spray washing, so that the oil stain detection device 3 can be repeatedly used.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.
Claims (10)
1. The utility model provides an oil stain detection device, a serial communication port, including protective housing (31), be equipped with on protective housing (31) and dodge hole (311), relative setting light emitter (32) and light receiver (33) on the inner wall of protective housing (31) of dodging hole (311) both sides, still include transparent fender cigarette board (34), keep off cigarette board (34) and shelter from when dodging hole (311), keep off cigarette board (34) and collect the greasy dirt, keep off cigarette board (34) and receive the drive and rotate to between light emitter (32) and the light receiver (33), acquire the change volume of keeping off cigarette board (34) luminousness in order to determine the greasy dirt volume.
2. The oil stain detection device according to claim 1, wherein a connecting rod is arranged on the side wall of the smoke baffle (34), the connecting rod is fixed on a driving shaft of the motor (35), and the motor (35) is fixed on the inner wall of the protective shell (31).
3. The oil stain detection device according to claim 1, wherein guide surfaces (341) are arranged on the side walls of two ends of the smoke baffle (34), guide arc surfaces matched with the guide surfaces (341) are arranged at the avoidance holes (311), and the guide surfaces (341) are distributed on a cylindrical surface taking the axial lead of the motor (35) as the axial lead.
4. The oil stain detection device according to claim 1, wherein the smoke barrier (34) is made of transparent glass or acrylic material.
5. A range hood comprises a shell with an air channel, and is characterized in that a control device and an oil stain detection device according to any one of claims 1 to 4 are arranged in the shell (1), the oil stain detection device (3) is arranged in the air channel, the oil stain detection device (3) is electrically connected with the control device, and when the control device detects that the ratio of real-time light transmittance to initial light transmittance is smaller than a threshold value, the control device prompts cleaning.
6. A range hood as claimed in claim 5, characterized in that the oil contamination detection device (3) is arranged on the outer wall of the housing (1) at the air inlet of the air duct, and after the detection is finished, the surface of the smoke baffle (34) is wiped by a wiping piece.
7. A range hood as claimed in claim 5, characterized in that the oil contamination detection device (3) is arranged in the housing (1) inside the air duct, and the inner wall of the housing (1) is further provided with a cleaning device (4) for cleaning the smoke baffle (34).
8. A range hood as claimed in claim 7, characterized in that the cleaning device (4) comprises a mist outlet pipe (41) for spraying steam to the smoke barrier (34), a nozzle is arranged at the end of the mist outlet pipe (41), the nozzle is arranged opposite to the smoke barrier (34), the other end of the mist outlet pipe (41) is communicated with an atomization box (42), an electromagnetic valve (45) is arranged on the mist outlet pipe (41), and the electromagnetic valve (45) is electrically connected with the control device.
9. A range hood as claimed in claim 8, characterized in that a heating plate (43) is arranged at the bottom of the atomization box (42), the atomization box (42) is communicated with a water inlet pipe (44), a water inlet valve is arranged on the water inlet pipe (44), a liquid level sensor is arranged in the atomization box (42), and the water inlet valve and the liquid level sensor are respectively electrically connected with the control device.
10. The range hood according to claim 5, further comprising a display screen (5) arranged on the outer wall of the bottom of the shell (1), wherein the display screen (5) is electrically connected with the control device, and when the control device obtains that the ratio of the real-time light transmittance to the initial light transmittance is smaller than a threshold value, the display screen (5) displays prompt cleaning information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022011592.0U CN212339356U (en) | 2020-09-15 | 2020-09-15 | Greasy dirt detection device and lampblack absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022011592.0U CN212339356U (en) | 2020-09-15 | 2020-09-15 | Greasy dirt detection device and lampblack absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212339356U true CN212339356U (en) | 2021-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022011592.0U Active CN212339356U (en) | 2020-09-15 | 2020-09-15 | Greasy dirt detection device and lampblack absorber |
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| Country | Link |
|---|---|
| CN (1) | CN212339356U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531609A (en) * | 2021-06-11 | 2021-10-22 | 青岛海尔科技有限公司 | Method and device for determining state of range hood equipment |
-
2020
- 2020-09-15 CN CN202022011592.0U patent/CN212339356U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531609A (en) * | 2021-06-11 | 2021-10-22 | 青岛海尔科技有限公司 | Method and device for determining state of range hood equipment |
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