CN114299700A - Kitchen alarm device and method and kitchen alarm system - Google Patents
Kitchen alarm device and method and kitchen alarm system Download PDFInfo
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- CN114299700A CN114299700A CN202111505973.7A CN202111505973A CN114299700A CN 114299700 A CN114299700 A CN 114299700A CN 202111505973 A CN202111505973 A CN 202111505973A CN 114299700 A CN114299700 A CN 114299700A
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Abstract
The application relates to a kitchen alarm device and method and a kitchen alarm system. The kitchen alarm device comprises: the control device sends positioning request information to the first positioning device when detecting that the cooking equipment is in an opening state; the first positioning device is used for determining the user position of the user according to the positioning request information and sending the user position to the control device; and the control device is used for outputting an alarm signal when the user position is positioned in the cooking area. Adopt this application can confirm whether user's position is located the culinary art district through first positioner and second positioner under the state that cooking equipment was opened to when confirming the user in the culinary art district, through output alarm signal, remind the user to leave the culinary art district, and can also remind the caregiver in time to nurse the user, avoid the user to be injured.
Description
Technical Field
The application relates to the technical field of kitchen safety, in particular to a kitchen alarm device and method and a kitchen alarm system.
Background
In daily life, food materials are cooked by heating the food materials with a certain amount of heat, and in the process, high-temperature liquid (such as soup), high-temperature steam and high-temperature solid (such as a cooker and a pot) may scald the skin.
During cooking, children and visually impaired persons may unintentionally come into contact with the high-temperature liquid, the high-temperature steam, and the high-temperature solid, thereby causing a thermal scald.
Disclosure of Invention
In view of the above, it is desirable to provide a kitchen alarm device and method, and a kitchen alarm system.
In a first aspect, there is provided a kitchen alarm device comprising: the control device sends positioning request information to the first positioning device when detecting that the cooking equipment is in an opening state; the first positioning device is used for determining the user position of the user according to the positioning request information and sending the user position to the control device; when the user position is within the cooking area, the control device outputs an alarm signal.
As an optional implementation manner, when the cooking apparatus is in an on state, the control device controls the first positioning device to send positioning request information to the second positioning device, receives, by the first positioning device, positioning response information sent by the second positioning device, and determines a user position of the user according to the positioning request information, the positioning response information, and a preset positioning algorithm; the first positioning device and the second positioning device comprise ultra-wideband positioning devices, and the second positioning device is carried by the user.
As an optional implementation manner, when the cooking apparatus is in an on state and a duration of time that the user is located in the cooking area is not less than a preset duration, the control device turns off the cooking apparatus.
As an optional implementation manner, when the cooking apparatus is in the on state, the distance between the user and the cooking apparatus is not greater than a preset distance value, and the control device turns off the cooking apparatus.
As an alternative embodiment, the kitchen alarm device comprises at least one of the following: the alarm device also comprises an alarm device, and after the alarm signal is obtained, the alarm device carries out alarm reminding by outputting sound and/or displaying light; the alarm device further comprises a router, and the router is respectively in network connection with the control device and the cooking equipment.
In a second aspect, there is provided a kitchen alarm system comprising a kitchen alarm device according to any of the first aspects of the present application.
In a third aspect, a kitchen alarm method is provided, including: when the cooking equipment is detected to be in an opening state, sending positioning request information to a first positioning device; determining the user position of the user according to the positioning request information; and when the user position is located in the cooking area, outputting an alarm signal.
As an optional implementation manner, the sending, when it is detected that the cooking apparatus is in an on state, positioning request information to the first positioning device, and determining, according to the positioning request information, a user position of the user includes: when the cooking equipment is in an open state, controlling the first positioning device to send positioning request information to a second positioning device, receiving positioning response information sent by the second positioning device through the first positioning device, and determining the user position of the user according to the positioning request information, the positioning response information and a preset positioning algorithm; the first positioning device and the second positioning device comprise ultra-wideband positioning devices, and the second positioning device is carried by the user.
As an optional embodiment, the kitchen alarm method further comprises: and when the cooking equipment is in an opening state and the time length of the user in the cooking area is not less than the preset time length, closing the cooking equipment.
As an optional embodiment, the kitchen alarm method further comprises: and when the cooking equipment is in an opening state, the distance between the user and the cooking equipment is not more than a preset distance value, and the cooking equipment is closed.
The application provides an alarm device and a method for a kitchen, and the technical scheme provided by the embodiment of the application at least brings the following beneficial effects: confirm the coordinate of the user (for example, children, and amblyopia or people who lose eyesight) who carries second positioner in presetting the coordinate system through first positioner, go out the on-state at cooking equipment to and when confirming that user's coordinate is located the coordinate of culinary art region, it is nearer to show that the distance between cooking equipment and the user is close, and the user has the risk of scalding, through output alarm signal, remind the user to leave the culinary art region, and can also remind nurse in time to nurse the user, avoid the user to be injured.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a frame of a kitchen alarm device according to an embodiment of the present application;
fig. 2 is an exemplary schematic diagram of a first positioning device and a user in a kitchen alarm device according to an embodiment of the present application;
fig. 3 is an exemplary schematic diagram of a kitchen alarm device including a second positioning device, a cooking device, a router, and an alarm according to an embodiment of the present disclosure;
fig. 4 is a flowchart of a kitchen alarm method according to an embodiment of the present application;
FIG. 5 is a flow chart of another kitchen alarm method provided by the embodiments of the present application;
fig. 6 is a flowchart of another kitchen alarm method according to an embodiment of the present application.
Reference numerals and corresponding description:
1-a first positioning device;
2-a control device;
3-a second positioning device;
4-a cooking device;
5-a router;
6-alarm device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further 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 present application and are not intended to limit the present application.
The nouns appearing in this application are now explained:
UWB: the ultra wide Band is a wireless communication technology for transmitting data at a high speed in a short distance with extremely low power, has the advantages of strong anti-interference performance, high transmission rate, extremely wide bandwidth, low power consumption, low transmission power and the like, and is mainly applied to the fields of indoor communication, home networks, position determination, radar detection and the like.
Ranging principle of UWB (ultra wide Band): TOF (Time of flight ranging) measures the distance between nodes mainly by using the Time of flight of a signal between two asynchronous transceivers. Two-way time-of-flight (TW-TOF) each module generates a separate timestamp from start-up. The transmitter Ta1 of module a transmits a pulse signal of requesting nature on its time stamp, and module B transmits a signal of responding nature at the time Tb2, which is received by module a at the time of its own time stamp Ta 2. The flight time of the pulse signal between the two modules can be calculated for some times, so that the flight distance S is determined, and the distance S is equal to Cx (Ta2-Ta1) - (Tb2-Tb 1); where C is the speed of light.
The inventor of the application finds that in the process of cooking food materials, the cooking personnel may leave temporarily or concentrate on cooking and ignore other things, and if a child, a person with amblyopia or eyesight loss enters the kitchen and is not found in time at the moment, and the child, the person with amblyopia or the person with eyesight loss contacts the scalding cooking equipment 4, the scalding food materials, even the heated open fire, return to the scalding condition.
The application provides a kitchen alarm device and method and a kitchen alarm system, and aims to solve the technical problem that in the prior art, a user is prevented from being scalded by a cooking device 4 in an open state.
The kitchen alarm device provided in the embodiments of the present application will be described in detail with reference to specific embodiments, a schematic diagram of a frame structure of the kitchen alarm device is shown in fig. 1, and the kitchen alarm device mainly includes a control device 2 and a first positioning device 1. When detecting that the cooking equipment 4 is in an open state, the control device 2 sends positioning request information to the first positioning device 1; the first positioning device 1 is used for determining the user position of the user according to the positioning request information and sending the user position to the control device 2; when the user position is within the cooking zone, the control device 2 outputs an alarm signal.
The control device 2 is in signal connection with the first positioning device 1, a coordinate system is prestored in the control device 2, and the first positioning device 1 is located at the coordinate system and the cooking area is located at the coordinate system. The position of the user is determined by the paired first positioning and second positioning means 3 while the cooking appliance 4 is in the on state, and the control means 2 continuously determines the position of the user and determines whether the user is located within the cooking area before the cooking appliance 4 is turned off. The origin of the pre-stored coordinate system may be any relatively fixed position component, such as the first positioner 1, the cooking apparatus 4, and the cooktop; the number and the arrangement positions of the first positioning devices 1 are not limited in the embodiments of the present application.
Providing a possible embodiment, an exemplary schematic diagram of the first positioning device 1 and the user in the kitchen alarm device is shown in fig. 2, in which the range defined by the dotted line is a cooking area, the figure is located in the range defined by the dotted line and indicates that the user has entered a cooking area, the cooking area is the whole kitchen, the plane figure of the kitchen is a rectangle, four first positioning devices 1 are respectively arranged at the intersection of the boundaries of the rectangle, a coordinate system is established with any one first positioning device 1 as the origin, the plane where the first positioning device 1 is located as the horizontal and vertical coordinates, and the coordinates of the rest of the first positioning devices 1 in the coordinate system and the coordinates of the cooking area are determined. After the cooking device 4 is determined to be turned on, the cooking device 4 sends an opening signal to the control device 2, based on a response to the opening signal, the control device 2 sends a control instruction to the first positioning device 1 to enable the first positioning device 1 to be in signal connection with the second positioning device 3 to determine position information of the second positioning device 3 and feed back the position information to the control device 2, and the control device 2 determines coordinates of the second positioning device 3 and whether the coordinates are located in a coordinate range limited by a cooking area according to the position information of the second positioning device 3 to further determine whether a user is located in the cooking area, and outputs an alarm signal when the user is determined to be located in the cooking area.
The embodiment of the application provides an alarm device 6 for kitchen, confirm the coordinate of the user who carries second positioner 3 in presetting the coordinate system through first positioner 1, go out the on-state at cooking equipment 4, and when confirming that user's coordinate is located the coordinate of culinary art region, it is nearer to show the distance between cooking equipment 4 and the user, the user has the risk of scalding, through output alarm signal, remind the user to leave the culinary art region, and can also remind the timely user of caregiver, avoid the user to be injured.
As an optional implementation manner, when the cooking apparatus 4 is in the on state, the control device 2 controls the first positioning device 1 to send positioning request information to the second positioning device 3, receives positioning response information sent by the second positioning device 3 through the first positioning device 1, and determines the user position of the user according to the positioning request information, the positioning response information and a preset positioning algorithm; the first and second locating means 1, 3 comprise ultra-wideband locating means, the second locating means 3 being carried by a user.
The first positioning device 1 and the second positioning device 3 may have a preset UWB positioning algorithm stored therein. The UWB positioning algorithm may be a UWB one-dimensional positioning algorithm, a UWB two-dimensional positioning algorithm, a UWB three-dimensional positioning algorithm, or a positioning algorithm of other dimensions of UWB, and embodiments of the present application are not limited.
Based on the foregoing embodiment, a possible embodiment is provided, the control device 2 may be a cloud server or a hardware processor, the cooking apparatus 4 sends an on signal to the control device 2 through a network or a cable while being turned on, and based on a response to the on signal, the control device 2 sends a control signal for determining the second positioning device 3 to the first positioning device 1. Based on the response to the control signal, the first positioning device 1 and the second positioning device 3 are paired, and after the pairing is successful, the four first positioning devices 1 respectively acquire distance information with the second positioning device 3 and send the distance information to the control device 2. The control device 2 determines the coordinates of the second positioning device 3 based on the aforementioned distance information and the coordinates of each first positioning device 1, so as to determine whether the coordinates of the second positioning device 3 are located within the cooking area.
Alternatively, the second positioning device 3 may be a wearable device, such as a bracelet, to be worn by the user.
Alternatively, the first positioning device 1 and the second positioning device 3 may perform user positioning by using an ultrasonic positioning technology, an rfid (radio Frequency Identification) positioning technology, an inertial navigation technology, a geomagnetic positioning technology, a visual positioning technology, an infrared positioning technology, a laser positioning technology, a WIFI (Wireless Fidelity) positioning technology, or a bluetooth positioning technology.
As an alternative embodiment, when the cooking apparatus 4 is in the on state and the time period that the user is located in the cooking area is not less than the preset time period, the control device 2 turns off the cooking apparatus 4.
Based on the foregoing embodiment, a possible embodiment is provided, in which the control system continuously acquires the position of the user after outputting the alarm signal. When it is determined that the user does not leave the cooking area and the duration is not less than the preset duration, in order to avoid a user injury situation that may occur to the user, the control device 2 may turn off the cooking apparatus 4, and by turning off the heating source, the user injury is avoided. The preset duration can be set and adjusted according to actual conditions, and the embodiment of the application is not limited.
As an alternative embodiment, when the cooking apparatus 4 is in the on state, the distance between the user and the cooking apparatus 4 is not greater than the preset distance value, and the control device 2 turns off the cooking apparatus 4.
Based on the previous embodiments, a possible embodiment is provided in which the control system is pre-stored with the coordinates of the cooking appliance 4 within the coordinate system. The control system determines the distance between the cooking apparatus 4 and the user based on the position information of the user. When the user is close to cooking device 4 that is in the open mode, the warning signal of output can't in time make the user keep away from cooking device 4, and control system is not more than preset distance value based on cooking device 4 and user's distance, closes cooking device 4, through closing the heating source, avoids the user to be injured. The preset distance value can be set and adjusted according to actual conditions, and the embodiment of the application is not limited.
As an alternative embodiment, the kitchen alarm device comprises at least one of the following: the alarm device 6 further comprises an alarm device 6, and after the alarm signal is obtained, the alarm device 6 carries out alarm reminding by outputting sound and/or displaying light; the alarm device 6 further comprises a router 5, and the router 5 is respectively connected with the control device 2 and the cooking equipment 4 through a network.
The alarm device 6 can be arranged on the stove, and after the alarm device 6 receives the alarm signal, the alarm device reminds through preset voice, music and preset mode display light. For the case that the control device 2 is a cloud server, and the cooking appliance 4 cannot be directly connected to the cloud server through a signal, the network connection between the cooking appliance 4 and the cloud server may be realized through the router 5.
Based on the foregoing embodiments, a possible embodiment is provided, as shown in fig. 3, a cooking device 4 sends a start signal to a control apparatus 2 through a router 5, based on a response to the start signal, the control apparatus 2 sends a positioning request signal to a first positioning apparatus 1, a second positioning apparatus 3 sends a positioning response signal to the first positioning apparatus 1 based on a response to the positioning request signal, the first positioning apparatus 1 sends a position of the second positioning apparatus 3 to the control apparatus 2, and when it is determined that the second positioning apparatus 3 is located in a cooking area, the control apparatus 2 sends alarm information to an alarm apparatus 6 for alarm reminding.
As an optional embodiment, the kitchen alarm device further comprises a third positioning device, which is arranged on the cooking apparatus 4; when the cooking device is in the on state, the cooking device 4 sends positioning request information to the third positioning device; according to the received positioning request information, the third positioning device determines the relative position information between the third positioning device and the user and sends the relative position information to the alarm device 6; the relative position information is used for determining the distance between the user and the third positioning device; and when the determined distance is not greater than the preset alarm distance value, the alarm device 6 outputs an alarm signal.
In the case that the control device 2 is a cloud server and there is no network connection, a possible embodiment is provided in which a third positioning device is provided on each cooking apparatus 4. The cooking device 4 and the third positioning device, and the third positioning device and the alarm device 6 are connected by non-network connection (for example, bluetooth connection). When the cooking equipment 4 is in a starting state, the cooking equipment 4 starts positioning request information to a third positioning device, based on the response to the positioning request information, the third positioning device determines the distance information between the third positioning device and the second positioning device 3 and sends the distance information to an alarm device 6, and the alarm device 6 outputs an alarm signal when judging that the distance between the third positioning device and the second positioning device 3 is not greater than a preset alarm distance value.
Based on the same inventive concept, the application also provides a kitchen alarm system, which comprises the kitchen alarm device in any one of the previous embodiments of the application.
Based on the same inventive concept, the application also provides a kitchen alarm method, the flow diagram of the kitchen alarm method is shown in fig. 4, and the method steps include steps S1-S3:
s1: and when the cooking equipment 4 is detected to be in the opening state, sending positioning request information to the first positioning device 1.
S2: and determining the user position of the user according to the positioning request information.
S3: when the user position is within the cooking zone, an alarm signal is output.
As an optional implementation manner, in the foregoing steps S1 and S2, when it is detected that the cooking apparatus 4 is in the on state, sending the positioning request information to the first positioning device 1, and determining the user location of the user according to the positioning request information specifically includes: when the cooking equipment 4 is in an open state, controlling the first positioning device 1 to send positioning request information to the second positioning device 3, receiving positioning response information sent by the second positioning device 3 through the first positioning device 1, and determining the user position of the user according to the positioning request information, the positioning response information and a preset positioning algorithm; the first and second locating means 1, 3 comprise ultra-wideband locating means, the second locating means 3 being carried by a user.
As an alternative embodiment, as shown in fig. 5, the kitchen alarm method further includes step S4:
s4: and when the cooking equipment 4 is in the opening state and the time length of the user in the cooking area is not less than the preset time length, closing the cooking equipment 4.
As an alternative embodiment, as shown in fig. 6, the kitchen alarm method further includes step S5:
s5: when the cooking apparatus 4 is in the on state, the distance between the user and the cooking apparatus 4 is not greater than the preset distance value, and the cooking apparatus 4 is turned off.
Specific definitions of the alarm method for a kitchen can be found in the above definition of the alarm device 6 for a kitchen, which is not described in detail here.
It should be understood that, although the respective steps in the flowcharts of fig. 5 to 6 are sequentially shown as indicated by arrows, the steps are not necessarily sequentially performed in the order indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 4 to 6 may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of performing the steps or stages is not necessarily sequential, but may be performed alternately or alternately with other steps or at least some of the other steps or stages.
The embodiment of the application provides a kitchen alarm method, the coordinates of a user carrying a second positioning device 3 in a preset coordinate system are determined through a first positioning device 1, the cooking equipment 4 is in an out-opening state, and when the coordinates of the user are determined to be located in the coordinates of a cooking area, it is indicated that the distance between the cooking equipment 4 and the user is short, the user has a scalding risk, the user is reminded to leave the cooking area through outputting an alarm signal, and a caregiver can be reminded to timely take care of the user, so that the user is prevented from being injured.
It is understood that the same/similar parts between the embodiments of the method described above in this specification can be referred to each other, and each embodiment focuses on the differences from the other embodiments, and it is sufficient that the relevant points are referred to the descriptions of the other method embodiments.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A kitchen alarm device, comprising:
the control device sends positioning request information to the first positioning device when detecting that the cooking equipment is in an opening state;
the first positioning device is used for determining the user position of the user according to the positioning request information and sending the user position to the control device;
when the user position is within the cooking area, the control device outputs an alarm signal.
2. Kitchen alarm device according to claim 1,
when the cooking equipment is in an open state, the control device controls the first positioning device to send positioning request information to the second positioning device, receives positioning response information sent by the second positioning device through the first positioning device, and determines the user position of the user according to the positioning request information, the positioning response information and a preset positioning algorithm;
the first positioning device and the second positioning device comprise ultra-wideband positioning devices, and the second positioning device is carried by the user.
3. Kitchen alarm device according to claim 1,
when the cooking equipment is in an opening state and the time length of the user in the cooking area is not less than the preset time length, the control device closes the cooking equipment.
4. Kitchen alarm device according to claim 1,
when the cooking equipment is in an opening state, the distance between the user and the cooking equipment is not larger than a preset distance value, and the control device closes the cooking equipment.
5. Kitchen alarm device according to any of claims 1-4, characterized in that it comprises at least one of the following:
the alarm device also comprises an alarm device, and after the alarm signal is obtained, the alarm device carries out alarm reminding by outputting sound and/or displaying light;
the alarm device further comprises a router, and the router is respectively in network connection with the control device and the cooking equipment.
6. Kitchen alarm system, characterized in that it comprises a kitchen alarm device according to any of claims 1-5.
7. A kitchen alarm method, comprising:
when the cooking equipment is detected to be in an opening state, sending positioning request information to a first positioning device;
determining the user position of the user according to the positioning request information;
and when the user position is located in the cooking area, outputting an alarm signal.
8. The kitchen alarm method according to claim 7, wherein said sending a positioning request message to a first positioning device when it is detected that the cooking appliance is in an on state, and said determining the user position of the user according to the positioning request message comprises:
when the cooking equipment is in an open state, controlling the first positioning device to send positioning request information to a second positioning device, receiving positioning response information sent by the second positioning device through the first positioning device, and determining the user position of the user according to the positioning request information, the positioning response information and a preset positioning algorithm;
the first positioning device and the second positioning device comprise ultra-wideband positioning devices, and the second positioning device is carried by the user.
9. The kitchen alerting method of claim 7, further comprising:
and when the cooking equipment is in an opening state and the time length of the user in the cooking area is not less than the preset time length, closing the cooking equipment.
10. The kitchen alerting method of claim 7, further comprising:
and when the cooking equipment is in an opening state, the distance between the user and the cooking equipment is not more than a preset distance value, and the cooking equipment is closed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111505973.7A CN114299700A (en) | 2021-12-10 | 2021-12-10 | Kitchen alarm device and method and kitchen alarm system |
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| CN202111505973.7A CN114299700A (en) | 2021-12-10 | 2021-12-10 | Kitchen alarm device and method and kitchen alarm system |
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| CN114999107A (en) * | 2022-05-30 | 2022-09-02 | 歌尔股份有限公司 | Safety reminding method, equipment, system and medium based on intelligent wearable equipment |
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