CN111561714B - Pot bottom shape detection method for kitchen range - Google Patents
Pot bottom shape detection method for kitchen range Download PDFInfo
- Publication number
- CN111561714B CN111561714B CN201910114535.4A CN201910114535A CN111561714B CN 111561714 B CN111561714 B CN 111561714B CN 201910114535 A CN201910114535 A CN 201910114535A CN 111561714 B CN111561714 B CN 111561714B
- Authority
- CN
- China
- Prior art keywords
- pot bottom
- distance measuring
- distance
- reflection point
- pot
- Prior art date
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 238000010411 cooking Methods 0.000 claims abstract description 8
- 239000011159 matrix material Substances 0.000 claims description 15
- 238000005259 measurement Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
Abstract
The invention discloses a pot bottom shape detection method for a stove, which comprises the steps of sequentially determining distances between pot bottom reflection points and a plurality of scanning positions through a distance measuring sensor, determining coordinates of the pot bottom reflection points corresponding to each scanning position of the distance measuring sensor according to each scanning position of the distance measuring sensor and the distance between the distance measuring sensor and the pot bottom reflection points, finally determining a pot bottom section outline according to the coordinates of all the pot bottom reflection points, and determining the pot bottom shape according to the pot bottom section outline. The invention detects the pot bottom shape of the pot in real time, so as to control the gas inlet valve of the gas stove according to the pot bottom shape in the following, thereby controlling the gas feeding path, achieving uniform heating, improving the cooking effect of the pot of a user and ensuring the consistency of the food cooking degree.
Description
Technical Field
The invention belongs to the technical field of gas cookers, and particularly relates to a pot bottom shape detection method for a cooker.
Background
In the combustion process, flame directly heats the conflict position in pan bottom, and its heating homogeneity is relatively poor, and the heat distribution of the bottom of a boiler is inhomogeneous, leads to the user not good with pan culinary art effect, and the food is cooked to be inconsistent.
Disclosure of Invention
In view of the above, the main object of the present invention is to provide a pot bottom shape detection method for a kitchen range.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the embodiment of the invention provides a pot bottom shape detection method for a kitchen range, which comprises the following steps: sequentially determining the distance between the pot bottom reflection point and each scanning position through a distance measuring sensor, determining the coordinates of the pot bottom reflection point corresponding to each scanning position of the distance measuring sensor according to each scanning position of the distance measuring sensor and the distance between the distance measuring sensor and the pot bottom reflection point, finally determining the outline of the tangent plane of the pot bottom according to the coordinates of all the pot bottom reflection points, and determining the shape of the pot bottom according to the outline of the tangent plane of the pot bottom.
In the above scheme, the shape of the pot bottom is determined according to the profile of the tangent plane of the pot bottom, and then the method further comprises controlling an air inlet valve of the gas stove to switch a gas feeding path according to the shape of the pot bottom.
In the above scheme, the distance between the pot bottom reflection point and the plurality of scanning positions is determined in sequence by the ranging sensor, which specifically comprises: when the distance measuring sensor drives the distance measuring instrument to rotate through the motor, the distance measuring instrument at least selects four scanning positions with different angles, and the distances between each scanning position and the pot bottom reflection point are respectively and sequentially determined.
In the above scheme, the range finder selects at least the central line position of the pot bottom reflection point corresponding to the first scanning position in the scanning positions of four different angles at the pot bottom, and the range finder selects at least the angles in the scanning positions of four different angles to be sequentially increased.
In the above scheme, the determining the coordinates of the pan bottom reflection point corresponding to each scanning position of the distance measuring sensor according to the distance between each scanning position of the distance measuring sensor and the pan bottom reflection point specifically includes: determining the coordinate position (x, y) of the pot bottom reflection point according to the angle beta of each scanning position and the distance L between the position of the distance measuring sensor and the pot bottom reflection point by taking the position of the distance measuring sensor as the coordinate origin of XY coordinates: x ═ L × cos β, y ═ L × Sin β.
In the above scheme, the distance between the pot bottom reflection point and the plurality of scanning positions is determined in sequence by the distance measuring sensor, and the method specifically comprises the following steps: when the distance measuring sensor is a distance measuring instrument distance measuring matrix, at least four distance measuring instruments with different angles in the distance measuring instrument distance measuring matrix respectively and sequentially determine the distance between each distance measuring instrument and the pot bottom reflection point.
In the above scheme, the distancer range finding matrix is set gradually by n infrared distance measuring appearance or ultrasonic ranging appearance along the straight line and constitutes, and the pot bottom reflection point that infrared distance measuring appearance or ultrasonic ranging appearance that are closest to the pan correspond is at the central line position of pot bottom.
In the above scheme, the determining the coordinates of the pan bottom reflection point corresponding to each scanning position of the distance measuring sensor according to the distance between each scanning position of the distance measuring sensor and the pan bottom reflection point specifically includes: and (3) determining the coordinate position (x, y) of the reflection point according to the angle beta of each distance meter and the distance L of the measurement reflection point by taking the position of the distance meter ranging matrix as the coordinate origin of XY coordinates: x is L cos β + n Δ x, y is L Sin β, where n is the nth range finder in the range finder ranging matrix and Δ x is the distance between two range finders.
Compared with the prior art, the invention detects the pot bottom shape of the pot in real time, so as to control the air inlet valve of the gas stove according to the pot bottom shape in the following, thereby controlling the gas feeding path, achieving uniform heating, improving the cooking effect of the pot of a user and ensuring the consistency of the cooked degree of food.
Drawings
Fig. 1 is a flowchart of a pot bottom shape detection method for a cooking appliance according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a pot bottom shape detection method for a cooking utensil according to an embodiment of the present invention;
fig. 3 is a detection schematic diagram of a pot bottom shape detection method for a kitchen range provided in embodiment 1 of the present invention;
fig. 4 is a detection schematic diagram of a pot bottom shape detection method for a cooker in embodiment 2 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The embodiment of the invention provides a pot bottom shape detection method for a kitchen range, which is realized by the following steps as shown in figure 1:
step 101: sequentially determining the distances between the pot bottom reflection points and a plurality of scanning positions through a distance measuring sensor;
specifically, the distance measuring sensor drives the distance measuring instrument to rotate through the motor and scans the outline of the bottom of the pot, and the distance of a reflection point of each angle is measured in real time.
The distance meter at least selects four scanning positions with different angles, and respectively and sequentially determines the distance between each scanning position and the pot bottom reflection point.
The range finder at least selects the central line position of the pot bottom reflection point corresponding to the first scanning position in the scanning positions with four different angles on the pot bottom, and the range finder at least selects the angles in the scanning positions with four different angles to be sequentially increased.
As shown in fig. 2, the distances of the obstacles in different directions are measured by using the reflection of infrared rays and ultrasonic waves by the obstacles; the distancer transmission signal is for beginning, and the distancer receives the reflection signal for ending, and it is time difference T to have one between these two, through infrared ray light or ultrasonic wave's speed V, can survey the reflection object apart from the distancer apart from the distance L:
step 102: determining the coordinates of the pot bottom reflection points corresponding to each scanning position of the distance measuring sensor according to the distance between each scanning position of the distance measuring sensor and the pot bottom reflection points;
specifically, as shown in fig. 3, with the position of the ranging sensor as the origin of coordinates of XY coordinates, the coordinate position (x, y) of the pot bottom reflection point is determined according to the angle β of each scanning position and the distance L from the pot bottom reflection point: x ═ L × cos β, y ═ L × Sin β.
Step 103: determining the profile of the tangent plane of the pan bottom according to the coordinates of all the reflection points of the pan bottom, and determining the shape of the pan bottom according to the profile of the tangent plane of the pan bottom.
Further, after step 103, the method further comprises controlling an air inlet valve of the gas stove to switch a gas feeding path according to the shape of the pot bottom.
Example 2
The embodiment of the invention provides a pot bottom shape detection method for a kitchen range, which is realized by the following steps as shown in figure 1:
step 101: sequentially determining the distances between the pot bottom reflection points and a plurality of scanning positions through a distance measuring sensor;
specifically, the distance measuring sensor is a distance measuring matrix of a distance measuring instrument; the range finder range finding matrix is set gradually by n infrared distance measuring appearance or ultrasonic ranging appearance along the straight line and constitutes, and the bottom of a boiler reflection point that infrared distance measuring appearance or ultrasonic ranging appearance that are closest to the pan correspond is at the central line position of bottom of a boiler.
The installation angles of each distance meter in the distance measuring matrix of the distance meters are different; the range finders at different angles measure the distance of the reflection point at the corresponding angle.
As shown in fig. 2, the distances of the obstacles in different directions are measured by using the reflection of infrared rays and ultrasonic waves by the obstacles; the distancer transmission signal is for beginning, and the distancer receives the reflection signal for ending, and it is time difference T to have one between these two, through infrared ray light or ultrasonic wave's speed V, can survey the reflection object apart from the distancer apart from the distance L:
step 102: determining the coordinates of the pot bottom reflection points corresponding to each scanning position of the distance measuring sensor according to the distance between each scanning position of the distance measuring sensor and the pot bottom reflection points;
specifically, as shown in fig. 4, with the position of the range finder ranging matrix as the origin of coordinates of XY coordinates, the coordinate position (x, y) of the reflection point is determined from the angle β of each range finder and the distance L of the measurement reflection point: x is L cos β + n Δ x, y is L Sin β, where n is the nth range finder in the range finder ranging matrix and Δ x is the distance between two range finders.
Step 103: determining the profile of the tangent plane of the pan bottom according to the coordinates of all the reflection points of the pan bottom, and determining the shape of the pan bottom according to the profile of the tangent plane of the pan bottom.
Further, after step 103, the method further comprises controlling an air inlet valve of the gas stove to switch a gas feeding path according to the shape of the pot bottom.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (7)
1. A pot bottom shape detection method for a kitchen range is characterized by comprising the following steps: sequentially determining the distance between the distance measuring sensor and the pot bottom reflection point from a plurality of scanning positions, determining the coordinate of the pot bottom reflection point corresponding to each scanning position of the distance measuring sensor according to each scanning position of the distance measuring sensor and the distance between the distance measuring sensor and the pot bottom reflection point, finally determining the profile of the tangent plane of the pot bottom according to the coordinates of all the pot bottom reflection points, determining the shape of the pot bottom according to the profile of the tangent plane of the pot bottom, and then controlling an air inlet valve of the gas stove to switch a gas feeding path according to the shape of the pot bottom.
2. The pot bottom shape detection method for cookers of claim 1, wherein the distances to pot bottom reflection points are determined sequentially from a plurality of scanning positions by a ranging sensor, specifically: when the distance measuring sensor drives the distance measuring instrument to rotate through the motor, the distance measuring instrument at least selects four scanning positions with different angles, and the distances between each scanning position and the pot bottom reflection point are respectively and sequentially determined.
3. The pot bottom shape detection method for the cooking appliance according to claim 2, wherein the distance meter selects at least the position of the center line of the pot bottom reflection point corresponding to the first scanning position in the scanning positions with four different angles, and the distance meter selects at least the angles in the scanning positions with four different angles to increase sequentially.
4. The pot bottom shape detection method for a cooking utensil according to claim 3, wherein the coordinates of the pot bottom reflection point corresponding to each scanning position of the ranging sensor are determined according to the distance between each scanning position of the ranging sensor and the pot bottom reflection point, and specifically: determining the coordinate position (x, y) of the pot bottom reflection point according to the angle beta of each scanning position and the distance L between the position of the distance measuring sensor and the pot bottom reflection point by taking the position of the distance measuring sensor as the coordinate origin of XY coordinates: x ═ L × cos β, y ═ L × sin β.
5. The pot bottom shape detection method for cookers of claim 1, wherein the distances to pot bottom reflection points are determined sequentially from a plurality of scanning positions by a ranging sensor, specifically: when the distance measuring sensor is a distance measuring instrument distance measuring matrix, at least four distance measuring instruments with different angles in the distance measuring instrument distance measuring matrix respectively and sequentially determine the distance between each distance measuring instrument and the pot bottom reflection point.
6. The pot bottom shape detection method for the cooker as claimed in claim 5, wherein the range finder matrix is composed of n infrared range finders or ultrasonic range finders arranged in sequence along a straight line, and a pot bottom reflection point corresponding to the infrared range finder or the ultrasonic range finder closest to the pot is at the center line position of the pot bottom.
7. The pot bottom shape detection method for a cooking utensil according to claim 6, wherein the coordinates of the pot bottom reflection point corresponding to each scanning position of the ranging sensor are determined according to the distance between each scanning position of the ranging sensor and the pot bottom reflection point, and specifically: and (3) determining the coordinate position (x, y) of the reflection point according to the angle beta of each distance meter and the distance L of the measurement reflection point by taking the position of the distance meter ranging matrix as the coordinate origin of XY coordinates: x is L cos β + n Δ x, y is L sin β, where n is the nth range finder in the range finder ranging matrix and Δ x is the distance between two range finders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910114535.4A CN111561714B (en) | 2019-02-14 | 2019-02-14 | Pot bottom shape detection method for kitchen range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910114535.4A CN111561714B (en) | 2019-02-14 | 2019-02-14 | Pot bottom shape detection method for kitchen range |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111561714A CN111561714A (en) | 2020-08-21 |
| CN111561714B true CN111561714B (en) | 2022-07-15 |
Family
ID=72067584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910114535.4A Active CN111561714B (en) | 2019-02-14 | 2019-02-14 | Pot bottom shape detection method for kitchen range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111561714B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812382B (en) * | 2021-04-14 | 2023-11-28 | 成都极米科技股份有限公司 | Multi-point measuring method and device for projection surface, storage medium and projection equipment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003317917A (en) * | 2002-04-26 | 2003-11-07 | Matsushita Electric Ind Co Ltd | Induction heating cooking device |
| CN102422709A (en) * | 2009-05-09 | 2012-04-18 | 海蒂诗控股有限公司及两合公司 | Cooking hob and method for heating cooking vessels placed on the cooking hob |
| CN103201590A (en) * | 2010-11-11 | 2013-07-10 | 莱卡地球系统公开股份有限公司 | Device for measuring and marking space points along horizontally running contour lines |
| CN103622544A (en) * | 2013-12-13 | 2014-03-12 | 广西大学 | Intelligent electric pressure cooker capable of identifying liners through flat light |
| CN103876618A (en) * | 2013-12-13 | 2014-06-25 | 广西大学 | Monochromatic-light intelligent electric pressure cooker with multiple inner tanks |
| CN105371805A (en) * | 2014-08-22 | 2016-03-02 | 住友橡胶工业株式会社 | Device for measuring inner circumferential surface of die |
| CN105486241A (en) * | 2015-12-31 | 2016-04-13 | 中冶长天国际工程有限责任公司 | Material layer thickness detection device and method |
| CN205690454U (en) * | 2016-06-23 | 2016-11-16 | 珠海格力电器股份有限公司 | A kind of detection device of pot partially and electromagnetic oven |
| CN107894588A (en) * | 2017-11-13 | 2018-04-10 | 北京小米移动软件有限公司 | Mobile terminal, distance measurement method, dimension measurement method and device |
-
2019
- 2019-02-14 CN CN201910114535.4A patent/CN111561714B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003317917A (en) * | 2002-04-26 | 2003-11-07 | Matsushita Electric Ind Co Ltd | Induction heating cooking device |
| CN102422709A (en) * | 2009-05-09 | 2012-04-18 | 海蒂诗控股有限公司及两合公司 | Cooking hob and method for heating cooking vessels placed on the cooking hob |
| CN103201590A (en) * | 2010-11-11 | 2013-07-10 | 莱卡地球系统公开股份有限公司 | Device for measuring and marking space points along horizontally running contour lines |
| CN103622544A (en) * | 2013-12-13 | 2014-03-12 | 广西大学 | Intelligent electric pressure cooker capable of identifying liners through flat light |
| CN103876618A (en) * | 2013-12-13 | 2014-06-25 | 广西大学 | Monochromatic-light intelligent electric pressure cooker with multiple inner tanks |
| CN105371805A (en) * | 2014-08-22 | 2016-03-02 | 住友橡胶工业株式会社 | Device for measuring inner circumferential surface of die |
| CN105486241A (en) * | 2015-12-31 | 2016-04-13 | 中冶长天国际工程有限责任公司 | Material layer thickness detection device and method |
| CN205690454U (en) * | 2016-06-23 | 2016-11-16 | 珠海格力电器股份有限公司 | A kind of detection device of pot partially and electromagnetic oven |
| CN107894588A (en) * | 2017-11-13 | 2018-04-10 | 北京小米移动软件有限公司 | Mobile terminal, distance measurement method, dimension measurement method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111561714A (en) | 2020-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106461230B (en) | Cooking utensil with light figure projector and camera | |
| CN106871168B (en) | Intelligent control system suitable for gas-cooker | |
| CN108253463B (en) | Gas-cooker and its control method | |
| CN107013951A (en) | A kind of pot and stove device | |
| CN108332240A (en) | Gas-cooker and its control method | |
| WO2020056966A1 (en) | Method for obtaining internal temperature of food and cooking utensil | |
| CN111561714B (en) | Pot bottom shape detection method for kitchen range | |
| CN110925804B (en) | Method for accurately measuring temperature of food in cooker on gas stove | |
| CN109681926A (en) | Cookware shape recognition method and cooking control method for kitchen range | |
| CN105326334A (en) | Cooker with cooker bottom temperature sensors | |
| CN204830058U (en) | Gas formula cooking system with function is markd to automatic firepower | |
| CN108548197A (en) | Anti-dry kitchen range and its control method | |
| CN106322447B (en) | Combustion type cooking system with automatic fire power calibrating function | |
| CN110207164A (en) | A kind of high thermal effect gas-cooker | |
| CN108302564A (en) | Gas-cooker and its control method | |
| JP2018004151A (en) | Gas cooking stove | |
| CN109839972A (en) | A kind of intelligent stove cooking temp compensation method | |
| CN108981942A (en) | A kind of temperature monitoring device and its temperature monitoring method of frying pan | |
| CN210088925U (en) | Kitchen range with oil smoke induction function | |
| CN209295205U (en) | A kind of infrared temperature measurement apparatus on gas-cooker | |
| CN112325338A (en) | Stove fire adjusting system and method, ignition device and stove | |
| CN210862924U (en) | Infrared temperature measuring device and gas stove using same | |
| CN111981541A (en) | Operation control method of range hood and range hood | |
| CN114060866A (en) | Gas stove temperature measuring device and method | |
| CN207575004U (en) | A kind of cookware and matched heating unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |