CN215448200U - Lampblack absorber infrared detection device and lampblack absorber - Google Patents

Lampblack absorber infrared detection device and lampblack absorber Download PDF

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Publication number
CN215448200U
CN215448200U CN202120944521.8U CN202120944521U CN215448200U CN 215448200 U CN215448200 U CN 215448200U CN 202120944521 U CN202120944521 U CN 202120944521U CN 215448200 U CN215448200 U CN 215448200U
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CN
China
Prior art keywords
light
range hood
infrared
detection device
base
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202120944521.8U
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Chinese (zh)
Inventor
陈小平
吴伟源
刘耀斌
徐锦锋
陈阳
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Yunmi Internet Technology Guangdong Co Ltd
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Yunmi Internet Technology Guangdong Co Ltd
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Priority to CN202120944521.8U priority Critical patent/CN215448200U/en
Application granted granted Critical
Publication of CN215448200U publication Critical patent/CN215448200U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a range hood infrared detection device and a range hood, wherein the range hood infrared detection device comprises: the oven comprises a base, a circuit board, an infrared probe for detecting the temperature of the oven and an indicator light for indicating the working state of the infrared probe; the circuit board is installed on the base, and infrared probe and pilot lamp are all installed on the circuit board, and the base is equipped with the first connecting portion that is used for with this body coupling of lampblack absorber, sets up with infrared probe relatively in order to be used for supplying infrared probe to see through the first printing opacity portion of surveying the stove temperature and set up with the pilot lamp relatively in order to be used for supplying the pilot lamp to externally luminous second printing opacity portion. The oil smoke detection device of the range hood provided by the utility model has the advantages of high accuracy in oil smoke detection, simplicity in installation and attractive appearance, when the infrared detection device breaks down, the infrared detection device can be correspondingly prompted by the indicator lamp to check and maintain in time, and the user experience is good.

Description

Lampblack absorber infrared detection device and lampblack absorber
Technical Field
The utility model relates to the technical field of range hoods, in particular to an infrared detection device of a range hood and the range hood.
Background
The intelligent range hood provided by the prior art carries out temperature detection through an infrared detection device, then feeds back to a main control board, and automatically adjusts the wind speed of the range hood through the main control board. However, the infrared detection device in the prior art still has the following disadvantages in specific applications: when the range hood works, a user does not know whether the infrared detection device works normally or not; like this, after infrared detection device breaks down, because the user does not know, so the user can not in time overhaul to lead to the automatic speed adjustment function of lampblack absorber to lose efficacy for a long time, and then reduced the oil absorption cigarette effect of lampblack absorber when the oil smoke is great, seriously influenced the satisfaction of user to the product.
SUMMERY OF THE UTILITY MODEL
The utility model provides an infrared detection device for a range hood, and aims to solve the technical problem that after the infrared detection device in the existing range hood fails, a user cannot timely know and overhaul the fault to cause long-term failure of the automatic speed regulation function of the range hood.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: an infrared detection device of a range hood, comprising: the oven comprises a base, a circuit board, an infrared probe for detecting the temperature of the oven and an indicator light for indicating the working state of the infrared probe; the circuit board is installed on the base, and infrared probe and pilot lamp are all installed on the circuit board, and the base is equipped with the first connecting portion that is used for with this body coupling of lampblack absorber, sets up with infrared probe relatively in order to be used for supplying infrared probe to see through the first printing opacity portion of surveying the stove temperature and set up with the pilot lamp relatively in order to be used for supplying the pilot lamp to externally luminous second printing opacity portion.
Optionally, lampblack absorber infrared detection device still includes the printing opacity piece, and the printing opacity piece is installed on the base and sets up with the pilot lamp is relative to be used for leading the light that the pilot lamp sent to second printing opacity portion.
Optionally, the light-transmitting member is provided with an incident portion disposed near the indicator light and an emergent portion disposed near the second light-transmitting portion; one end of the light inlet part close to the circuit board is provided with a blind hole opposite to the indicator light.
Optionally, the second light-transmitting portion is a first through hole penetrating through the base, and the light-emitting portion penetrates through and is connected with the first through hole.
Optionally, the number of the circuit board, the infrared probe and the indicator light is two, the number of the light-transmitting member is one, the light-transmitting member includes two light-entering portions and one light-emitting portion, the two light-entering portions are respectively arranged opposite to the two indicator lights one by one, and the two light-entering portions and the light-emitting portion are integrally formed; alternatively, the first and second electrodes may be,
optionally, the number of the circuit board, the infrared probe, the indicator lights and the light-transmitting members is two, each light-transmitting member comprises one light-entering part and one light-exiting part, and the two light-transmitting members are respectively arranged opposite to the two indicator lights one to one.
Optionally, the range hood infrared detection device further comprises a lens and an outer cover, the lens is arranged between the first light transmission portion and the outer cover, the outer cover is connected with the base and supports and limits the lens, and the outer cover is provided with a third light transmission portion and a fourth light transmission portion, wherein the third light transmission portion is arranged opposite to the infrared probe, and the fourth light transmission portion is arranged opposite to the indicator lamp.
Optionally, the first light-transmitting portion is a second through hole penetrating through the base, the second through hole includes a first hole section close to the infrared probe and a second hole section communicated with the first hole section and close to the outer cover, the aperture of the second hole section is larger than that of the first hole section, and the lens is installed in the second hole section and is pressed and limited through the outer cover.
Optionally, the outer cover comprises a cover plate and a boss which extends from the cover plate towards the base and is convexly arranged, the boss penetrates through the second hole section and abuts against and limits the lens, and the third light transmission part is a third through hole which penetrates through the boss and the cover plate; and/or the fourth light transmission part is a fourth through hole penetrating through the outer cover.
Optionally, the infrared detection device of the range hood further comprises a housing, the housing is provided with a containing cavity for containing the circuit board and the light-transmitting piece, and the base covers and is connected with the housing; and/or the presence of a gas in the atmosphere,
the circuit board is configured to: when the infrared detection function is started, the indicator lamp is controlled to be on; when the infrared probe detects the change of the oil smoke concentration, the indicator light is controlled to flicker.
The second purpose of the utility model is to provide a range hood, which comprises a range hood body and the range hood infrared detection device, wherein the base is connected with the range hood body.
The utility model has the beneficial effects that: according to the utility model, the indicating lamp for indicating the working state of the infrared probe is additionally arranged on the infrared detection device of the range hood, so that when the range hood works, a user can intuitively know whether the infrared detection function of the infrared detection device is normal or not through the indicating lamp; like this, when lampblack absorber infrared detection device's infrared detection function broke down, the user can in time learn according to the instruction of pilot lamp to in time overhaul, effectively avoided the lampblack absorber to take ill the operation under the situation that automatic speed control function became invalid for a long time, and then do benefit to and improve the satisfaction of user to the product. In addition, in the utility model, the infrared probe and the indicator lamp are both arranged on the base through the circuit board, and then the range hood infrared detection device is arranged on the range hood body through the base. The first light transmission part is arranged on the base, so that the base cannot interfere with the infrared probe to detect the temperature of the stove. The second light transmission part is arranged on the base, so that the base cannot interfere with external light emission of the indicator lamp.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is an exploded schematic view of an infrared detection device of a range hood provided by an embodiment of the utility model;
FIG. 2 is an assembly schematic diagram of an infrared detection device of a range hood provided by the embodiment of the utility model;
FIG. 3 is a schematic cross-sectional view taken along A-A of FIG. 2;
FIG. 4 is a schematic view of the assembly of the circuit board, the infrared probe and the indicator light provided by the embodiment of the utility model;
FIG. 5 is an exploded view of a range hood provided by an embodiment of the present invention;
fig. 6 is a partially enlarged view at B in fig. 5.
In the figure: 1. a range hood body; 10. an infrared detection device; 100. a base; 110. a first connection portion; 120. a first light-transmitting portion; 121. a first bore section; 122. a second bore section; 130. a second light-transmitting portion; 200. a circuit board; 300. a light transmissive member; 310. an incident light part; 320. a light-emitting part; 330. blind holes; 400. an outer cover; 410. a third light-transmitting portion; 420. a fourth light-transmitting portion; 430. a boss; 450. a cover plate; 500. a housing; 510. an accommodating chamber; 600. a lens; 700. an infrared probe; 800. and an indicator light.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
Referring to fig. 1 to 5, an embodiment of the present invention provides an infrared detection device 10 for a range hood, including: the oven comprises a base 100, a circuit board 200, an infrared probe 700 for detecting the temperature of the oven and an indicator lamp 800 for indicating the working state of the infrared probe 700; the circuit board 200 is installed on the base 100, the infrared probe 700 and the indicator lamp 800 are installed on the circuit board 200, and the base 100 is provided with a first connecting portion 110 for connecting with the range hood body 1, a first light-transmitting portion 120 which is arranged opposite to the infrared probe 700 and used for allowing the infrared probe 700 to penetrate through for detecting the temperature of a stove, and a second light-transmitting portion 130 which is arranged opposite to the indicator lamp 800 and used for allowing the indicator lamp 800 to emit light outwards. In the present embodiment, the circuit board 200 is mounted on the base 100, the infrared probe 700 is disposed opposite to the first light-transmitting portion 120, and the indicator lamp 800 is disposed opposite to the second light-transmitting portion 130; and then the first connecting part 110 of the base 100 is fixedly connected with the range hood body 1 and is arranged in the range hood body 1. The infrared probe 700 can precisely detect the temperature of the oven and the concentration of the cooking fumes through the first light transmission part 120, and the indicator lamp 800 can emit light through the second light transmission part 130 without being shielded by the base 100. According to the embodiment of the utility model, the indicating lamp for indicating the working state of the infrared probe is additionally arranged on the infrared detection device of the range hood, so that a user can intuitively know whether the infrared detection function of the infrared detection device is normal or not through the indicating lamp when the range hood works; like this, when lampblack absorber infrared detection device's infrared detection function broke down, the user can in time learn according to the instruction of pilot lamp to in time overhaul, effectively avoided the lampblack absorber to take a illness to operate under the condition that automatic speed control function became invalid for a long time.
As an embodiment, the infrared detection device 10 further includes a light-transmitting member 300, and the light-transmitting member 300 is mounted on the base 100 and disposed opposite to the indicator lamp 800, so as to guide light emitted from the indicator lamp 800 to the second light-transmitting portion 130. The light-transmitting member 300 can better guide the light emitted from the indicator lamp 800 to the second light-transmitting portion 130, thereby improving the light utilization rate of the indicator lamp 800.
In one embodiment, the light-transmitting member 300 includes an incident portion 310 disposed near the indicator lamp 800 and an exit portion 320 disposed near the second light-transmitting portion 130; the light incident portion 310 is formed with a blind hole 330 opposite to the indicator lamp 800 at an end close to the circuit board 200. The opening of blind hole 330 sets up with pilot lamp 800 relatively, and when pilot lamp 800 was luminous, light shone on the pore wall of blind hole 330 to effectively increased light-transmitting member 300 to the receiving area of pilot lamp 800 light, thereby do benefit to the utilization ratio that improves pilot lamp 800 light.
As an embodiment, the second light-transmitting portion 130 is a first through hole penetrating through the base 100, the light-emitting portion 320 penetrates and connects with the first through hole, and the first through hole is adopted in the second light-transmitting portion 130, so that not only can the light-transmitting effect be realized, but also the second light-transmitting portion 130 is convenient to produce and process; of course, in a specific application, as an alternative embodiment, the second light-transmitting portion 130 may also be a light-transmitting member made of a transparent material, and the light-transmitting member is embedded in the base 100.
As an embodiment, the number of the circuit board 200, the infrared probe 700 and the indicator lamps 800 is two, the number of the light-transmitting member 300 is one, and the light-transmitting member 300 includes two light incident portions 310 and one light emitting portion 320, the two light incident portions 310 are respectively disposed opposite to the two indicator lamps 800 one by one, and the two light incident portions 310 and the light emitting portion 320 are integrally formed. In this embodiment, the indicator lamps 800 are disposed on the two circuit boards 200, which is beneficial to the interchange and universality of the two circuit boards 200 and the improvement of the uniformity of the light emitting of the light-transmitting member 300. In this embodiment, two light incident portions 310 are provided, so that the light receiving area is increased, and the utilization rate of the light of the indicator lamp 800 is increased. The structure is integrally formed, and is simple to process and convenient to install. Of course, in a specific application, as an alternative embodiment, the number of the circuit board 200, the infrared probe 700, the indicator lamps 800 and the light-transmitting members 300 is two, each light-transmitting member 300 includes one light-entering portion 310 and one light-exiting portion 320, and the two light-transmitting members 300 are respectively disposed opposite to the two indicator lamps 800.
As an embodiment, the infrared detection device 10 of the range hood further includes a lens 600 and an outer cover 400, the lens 600 is disposed between the first light-transmitting portion 120 and the outer cover 400, the outer cover 400 is connected to the base 100 and presses and limits the lens 600, and the outer cover 400 is provided with a third light-transmitting portion 410 disposed opposite to the infrared probe 700 and a fourth light-transmitting portion 420 disposed opposite to the indicator lamp 800. The light of the indicator lamp 800 is guided out through the fourth light-transmitting part 420. In this embodiment, the outer cover 400 and the base 100 abut against and limit the lens 600, the lens 600 can prevent the infrared probe 700 from being exposed, and can also prevent the base 100 and the circuit board 200 from being polluted by oil smoke, thereby being beneficial to improving the accuracy of detection of the infrared probe 700.
In one embodiment, the first light-transmitting part 120 is a second through hole penetrating the base 100, the second through hole includes a first hole section 121 near the infrared probe 700 and a second hole section 122 communicating with the first hole section 121 and near the cover 400, and the second hole section 122 has a larger hole diameter than the first hole section 121. Lens 600 installs in second hole section 122 and supports through enclosing cover 400 and press spacingly, and in this embodiment, first hole section 121 is the bell mouth, and extends towards lens 600 from infrared probe 700 with the trend of aperture crescent, like this, can do benefit to the leaded light effect that improves infrared ray to infrared probe 700's detection range has effectively been improved.
In one embodiment, the outer cover 400 includes a cover plate 450 and a protruding boss 430 extending from the cover plate 450 toward the base 100, and the protruding boss 430 is inserted into the second hole section 122 and presses and limits the lens 600. The third light-transmitting portion 410 is a third through hole provided through the boss 430 and the cover plate. The third light transmission part 410 adopts a third through hole, which not only can realize the light transmission effect, but also can facilitate the production and processing of the third light transmission part 410; of course, in a specific application, as an alternative embodiment, the third light-transmitting portion 410 may also be a light-transmitting member made of a transparent material, and the light-transmitting member is embedded in the boss 430 and the cover plate 450.
In one embodiment, the fourth light-transmitting portion 420 is a fourth through hole formed through the outer cover 400. In this embodiment, the fourth through hole specifically penetrates the cover plate 450. In a specific application, as an alternative embodiment, the fourth light-transmitting portion 420 may also be a light-transmitting member made of a transparent material and embedded in the cover plate 450.
As an embodiment of this embodiment, the infrared detection device 10 of the range hood further includes a housing 500, the housing 500 is formed with a containing cavity 510 for containing the circuit board 200, the infrared probe 700 and the indicator lamp 800, and the base 100 covers and connects the housing 500. This embodiment, through the setting of acceping of casing 500, do benefit to the protective effect who improves electric elements such as circuit board 200, infrared probe 700 and pilot lamp 800, reduced the pollution that the oil smoke led to the fact to circuit board 200, infrared probe 700 and pilot lamp 800 to do benefit to the life who improves circuit board 200, infrared probe 700 and pilot lamp 800, and do benefit to the rate of accuracy that ensures infrared probe 700 detection temperature. As a preferred embodiment of this embodiment, the light-transmitting member 300 is also accommodated in the accommodating cavity 510.
As an embodiment, the circuit board 200 is configured to: when the infrared detection function is started, the indicator lamp 800 is controlled to be on; when the infrared probe 700 detects the change of the oil smoke concentration, the indicator lamp 800 is controlled to flash. In this embodiment, the indicator lamp 800 can indicate whether the infrared detection function is normally started or not, and also can indicate whether the infrared probe 700 detects the change of the oil smoke concentration or not, thereby effectively improving the user experience and being beneficial to a user to better judge whether the infrared detection function is invalid or not.
Referring to fig. 5, an embodiment of the present invention further provides a range hood, which includes a range hood body 1 and the above range hood infrared detection device 10, and the base 100 is detachably connected to the range hood body 1. When the infrared detection device 10 of the range hood breaks down and needs to be maintained or replaced, the infrared detection device can be independently detached for maintenance or replacement, the maintenance and replacement operations are simple and convenient, and other parts of the range hood cannot be damaged. In addition, because the lampblack absorber that this embodiment provided has adopted foretell lampblack absorber infrared detection device 10, so effectively solved the pain point problem that the user can't in time know when lampblack absorber infrared detection device 10's infrared detection function breaks down, and then do benefit to the satisfaction that improves the user to the product.
As an implementation mode, the base 100 is detachably connected to the range hood body 1 through screws or bolts, and the first connecting portion is a connecting hole which is formed in the base 100 and used for the screws or bolts to penetrate through; of course, in a specific application, the connection manner of the base 100 and the range hood body 1 is not limited to this, for example, the base 100 may also be connected to the range hood body 1 in a snap connection manner or a combination manner of being connected to the snap connection via screws.
As an implementation mode, a main control board is arranged in the range hood body 1 and is electrically connected with the circuit board 200 through a connecting wire. When the range hood is started to work, the main control board controls the infrared detection function to be started; when the infrared probe 700 detects the change of the oil smoke concentration, the main control board controls and adjusts the gear of the wind speed. In this embodiment, the indicator light 800 is controlled by the circuit board 200 to operate, but in a specific application, as an alternative embodiment, the operation of the indicator light 800 may also be controlled by the main control board.
The above are only embodiments of the present invention, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept of the present invention, but these are all within the scope of the present invention.

Claims (10)

1. An infrared detection device of a range hood, which is characterized by comprising: the oven comprises a base, a circuit board, an infrared probe for detecting the temperature of the oven and an indicator light for indicating the working state of the infrared probe; the circuit board install in on the base, infrared probe with the pilot lamp all install in on the circuit board, the base be equipped with be used for with this body coupling's of lampblack absorber first connecting portion, with infrared probe sets up relatively in order to be used for supplying infrared probe sees through the first printing opacity portion of surveying the stove temperature and with the pilot lamp sets up relatively in order to be used for supplying the pilot lamp is to outer luminous second printing opacity portion.
2. A range hood infrared ray detection device according to claim 1, further comprising a light transmitting member mounted on the base and disposed opposite to the indicator light for guiding light emitted from the indicator light to the second light transmitting portion.
3. A hood infrared ray detecting device according to claim 2, wherein said light transmitting member is provided with an incident portion provided near said indicator light and an exit portion provided near said second light transmitting portion; the light entering part is provided with a blind hole opposite to the indicator light at one end close to the circuit board.
4. A range hood infrared ray detecting device according to claim 3, wherein the second light transmitting portion is a first through hole penetrating the base, and the light emitting portion penetrates and connects the first through hole.
5. An infrared detector for a range hood according to claim 4, wherein the number of said circuit board, said infrared probe and said indicator light is two, the number of said light-transmitting member is one, and said light-transmitting member includes two said light-entering portions and one said light-emitting portion, the two said light-entering portions are respectively disposed opposite to the two said indicator lights, and the two said light-entering portions and said light-emitting portion are integrally formed; alternatively, the first and second electrodes may be,
the circuit board infrared probe, pilot lamp with the quantity of light-permeable piece all is two, every light-permeable piece all includes one go into light portion and one go out light portion, and two light-permeable piece respectively with two the pilot lamp one-to-one sets up.
6. A range hood infrared detection device according to any one of claims 1 to 5, further comprising a lens and an outer cover, wherein the lens is disposed between the first light transmission part and the outer cover, the outer cover is connected to the base and supports and limits the lens, and the outer cover is provided with a third light transmission part disposed opposite to the infrared probe and a fourth light transmission part disposed opposite to the indicator light.
7. A range hood infrared detection device according to claim 6, wherein the first light transmission part is a second through hole penetrating through the base, the second through hole comprises a first hole section close to the infrared probe and a second hole section communicated with the first hole section and close to the outer cover, the aperture of the second hole section is larger than that of the first hole section, and the lens is installed in the second hole section and is pressed and limited by the outer cover.
8. The infrared detection device of the range hood according to claim 7, wherein the outer cover comprises a cover plate and a boss which extends from the cover plate to the base in a protruding manner, the boss penetrates through the second hole section and presses and limits the lens, and the third light transmission part is a third through hole which penetrates through the boss and the cover plate; and/or the presence of a gas in the atmosphere,
the fourth light transmission part is a fourth through hole penetrating through the outer cover.
9. A range hood infrared detection device according to any one of claims 1 to 5, further comprising a housing, wherein a containing cavity for containing the circuit board, the infrared probe and the indicator lamp is formed in the housing, and the base is connected with the housing in a covering manner; and/or the presence of a gas in the atmosphere,
the circuit board is configured to: when the infrared detection function is started, the indicator light is controlled to be on; and when the infrared probe detects the change of the oil smoke concentration, the indicator light is controlled to flicker.
10. A range hood, characterized by, including range hood body and as in any claim 1-9 range hood infrared detection device, the base with the range hood body can dismantle the connection.
CN202120944521.8U 2021-04-30 2021-04-30 Lampblack absorber infrared detection device and lampblack absorber Expired - Fee Related CN215448200U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120944521.8U CN215448200U (en) 2021-04-30 2021-04-30 Lampblack absorber infrared detection device and lampblack absorber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120944521.8U CN215448200U (en) 2021-04-30 2021-04-30 Lampblack absorber infrared detection device and lampblack absorber

Publications (1)

Publication Number Publication Date
CN215448200U true CN215448200U (en) 2022-01-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024046243A1 (en) * 2022-08-31 2024-03-07 杭州老板电器股份有限公司 Temperature sensing module and kitchen appliance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024046243A1 (en) * 2022-08-31 2024-03-07 杭州老板电器股份有限公司 Temperature sensing module and kitchen appliance

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Granted publication date: 20220107