CN111895458A - Enabling control platform and method for pipeline state switching - Google Patents
Enabling control platform and method for pipeline state switching Download PDFInfo
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- CN111895458A CN111895458A CN202010725248.XA CN202010725248A CN111895458A CN 111895458 A CN111895458 A CN 111895458A CN 202010725248 A CN202010725248 A CN 202010725248A CN 111895458 A CN111895458 A CN 111895458A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 29
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- 239000007789 gas Substances 0.000 claims description 57
- 238000001914 filtration Methods 0.000 claims description 33
- 238000012545 processing Methods 0.000 claims description 11
- 238000010411 cooking Methods 0.000 claims description 6
- 239000002737 fuel gas Substances 0.000 claims description 6
- 238000010295 mobile communication Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 2
- 239000011521 glass Substances 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 6
- 244000171022 Peltophorum pterocarpum Species 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 4
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- 239000003345 natural gas Substances 0.000 description 2
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- 230000008859 change Effects 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Classifications
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- 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
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- 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
- F24C15/00—Details
- F24C15/10—Tops, e.g. hot plates; Rings
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/70—Denoising; Smoothing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/13—Edge detection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Computer Vision & Pattern Recognition (AREA)
- Selective Calling Equipment (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The invention relates to an enabling control platform and a method for switching pipeline states, wherein the platform comprises: the enabling control mechanism is connected with the state change-over switch and used for controlling whether the state change-over switch is in an enabling state currently under the control of a user; a pipe control valve provided on a gas supply pipe of a gas range for performing opening or closing of the gas supply pipe; and the state switch is connected with the pipeline control valve and is used for driving the pipeline control valve to close the gas supply pipeline only when receiving a first driving signal in an enabling state. The enabling control platform and the enabling control method for switching the pipeline states are safe and reliable and have certain intelligent level. Because can be under the enable state that the user set for, carry out intelligent detection to the current state of gas switch knob to carry out corresponding emergency measures based on the testing result, with the accident that avoids appearing the gas leakage under the unmanned on duty scene.
Description
Technical Field
The invention relates to the field of gas stove control, in particular to an enabling control platform and method for pipeline state switching.
Background
The gas stove is a kitchen utensil heated by direct fire with liquefied petroleum gas (liquid), artificial gas, natural gas and other gas fuels. The gas stove is called a stove plate, the popularization degree of the gas stove is unknown, and a passing concept is difficult to see.
Gas stoves are mainly classified into liquefied gas stoves, and natural gas stoves, depending on the source of the gas. According to the range, the range is divided into a single range, a double range and a multi-range. The air intake mode mainly comprises four air intake modes, namely upper air intake, lower air intake, side air intake and full air intake.
The lower air inlet type: the stove is made by reading imported stoves, the heat load and the burner are increased to meet the cooking habit of fierce fire stir-frying of the Chinese people, the foreign products require the opening of a cupboard or supplement secondary air required by combustion by a larger cupboard gap, and are used for inevitably discharging leaked fuel gas during ignition and designed with small heat load. Domestic users rarely know that the cabinet is provided with holes, so that insufficient combustion is caused, the concentrations of yellow flame and carbon monoxide are high, and once the leakage amount of gas is large, ignition and deflagration can be caused to cause the burst of a glass panel.
An upper air inlet type: this cooking appliance improves the drawbacks of the first cooking appliance by raising the burner above the table top, in the hope of getting air in through the gap between the burner and the liquid-bearing plate. However, a high-temperature area is formed at the part during combustion, cold air expands when heated and cannot enter the furnace end, so that secondary air cannot be effectively supplemented, and the problems of yellow flame and high concentration of carbon monoxide cannot be fundamentally solved. The structure design has the advantages that the thermal load cannot be too large, yellow flame is severe when the thermal load is more than 3.06 kilowatt hours, the thermal efficiency is lower, the requirement of the national people on violent fire is not met, the appearance of the stove is greatly reduced by the high furnace end, and the burst rate of the glass panel can be reduced.
Side air inlet type: the air inlet device is arranged at a relatively low-temperature region of the panel of the stove, when air in the shell is reduced to form negative pressure by combustion, cold air can be sucked into the shell along the inlet of the air inlet device, sufficient primary air and secondary air required by combustion are provided, the problem of yellow flame is solved, the concentration of carbon monoxide is greatly reduced, leaked fuel gas can be discharged from the air inlet device, even if the fuel gas leaks and is ignited and detonated, air flow can be discharged from the air inlet device as soon as possible, the internal pressure is quickly reduced, and the glass panel is prevented from bursting. Meanwhile, cold air enters the furnace body through the air inlet device, and the temperature of the table glass is greatly reduced. The heat load of the stove can reach 3.8 kilowatts.
The full air inlet type: the stove not only has an air inlet on the base plate, but also has an air inlet between the stove head and the liquid bearing plate, thus not only providing sufficient primary air and secondary air required during combustion, solving the problem of yellow flame, greatly reducing the content of carbon monoxide, but also avoiding tempering caused by opening and closing the cupboard door at one stroke, thereby reducing the probability of bursting of the glass panel. Because the kitchen range adopts the characteristics of the upper air inlet type kitchen range and the lower air inlet type kitchen range, the kitchen range not only keeps the advantages of high heat load and large flame adjusting range of the kitchen range and conforms to the cooking habit of Chinese people, but also greatly reduces the temperature in the kitchen range body and the temperature of the glass panel and effectively avoids the occurrence of the burst phenomenon of the glass panel.
Disclosure of Invention
In order to solve the technical problems in the related field, the invention provides an enabling control platform for switching the pipeline state, which can intelligently detect the current state of a gas switch knob in an enabling state set by a user and execute corresponding emergency measures based on a detection result so as to avoid the gas leakage accident in an unattended scene.
Therefore, the invention needs to have the following key invention points:
(1) under the mode that a user sets monitoring, the position of a white line segment for marking the opening degree of a gas switch knob is judged so as to drive whether a gas stove is in an opening state at present, and a gas supply pipeline of the gas stove is closed when the gas stove is in the opening state so as to avoid gas leakage;
(2) and the reference direction identification equipment is used for judging whether the gas stove is in an open state currently or not based on the angle of the minimum included angle formed by the white line segment corresponding to the switch identification object and the topmost horizontal pixel line of the image in the field image after the customization processing.
According to an aspect of the present invention, there is provided an enabling control platform for pipe state switching, the platform comprising:
the enabling control mechanism is connected with the state change-over switch and used for controlling whether the state change-over switch is in an enabling state currently under the control of a user;
a pipe control valve provided on a gas supply pipe of a gas range for performing opening or closing of the gas supply pipe;
the state switch is connected with the pipeline control valve and used for driving the pipeline control valve to close the fuel gas supply pipeline only when a first driving signal is received in an enabling state;
the state switch is also used for driving the pipeline control valve to open the gas supply pipeline when receiving a second driving signal in an enabling state;
the state change-over switch adopts a mechanical mode to open or close the gas supply pipeline, and comprises a driving motor and a mechanical arm;
the directional acquisition mechanism is arranged above a hearth of the gas stove and used for carrying out image data acquisition on the hearth site so as to obtain a corresponding directional acquisition image;
the filtering and sharpening device is positioned near the directional acquisition mechanism, is connected with the directional acquisition mechanism, and is used for carrying out high-pass filtering and sharpening processing on the received directional acquisition image so as to obtain and output a corresponding filtered and sharpened image;
the content sharpening device is connected with the filtering sharpening device and is used for carrying out edge sharpening processing on the received filtering sharpened image so as to obtain and output a corresponding edge sharpened image;
the guiding filtering device is connected with the content sharpening device and used for executing guiding filtering processing on the received edge sharpened image so as to obtain and output a corresponding guiding filtering image;
the identification detection mechanism is connected with the guide filtering equipment and used for identifying a switch identification object from the guide filtering image based on switch identification imaging characteristics, the switch identification is a white line segment which is arranged on a gas switch knob and used for marking the opening degree of the gas switch knob, one end of the white line segment is arranged at the center of the gas switch knob, and the other end of the white line segment is arranged at the edge of the gas switch knob;
the direction recognition equipment is respectively connected with the state change-over switch and the identification detection mechanism and is used for judging and sending out a first driving signal or a second driving signal based on the angle of the minimum included angle formed by the white line segment corresponding to the switch identification object and the uppermost horizontal pixel line of the guide filtering image in the guide filtering image;
wherein determining to issue the first driving signal or the second driving signal based on an angle of a minimum included angle formed by a white line segment corresponding to the switch identification object and an uppermost horizontal pixel line of the guide filter image in the guide filter image comprises: and when the angle difference of the minimum angle smaller than 90 degrees is smaller than or equal to a preset angle threshold value, sending a second driving signal.
According to another aspect of the present invention, there is also provided an enabling control method for switching a pipeline state, the method comprising using the enabling control platform for switching a pipeline state as described above to judge a current switch state of a gas stove in a user setting monitoring mode to decide whether to initiate a corresponding emergency measure.
The enabling control platform and the enabling control method for switching the pipeline states are safe and reliable and have certain intelligent level. Because can be under the enable state that the user set for, carry out intelligent detection to the current state of gas switch knob to carry out corresponding emergency measures based on the testing result, with the accident that avoids appearing the gas leakage under the unmanned on duty scene.
Detailed Description
Embodiments of the present invention of an enabling control platform and method for pipe state switching are described in detail below.
The intelligent control is a control mode with intelligent information processing, intelligent information feedback and intelligent control decision, is a high-level stage of control theory development, and is mainly used for solving the control problem of a complex system which is difficult to solve by using a traditional method. The main characteristics of an intelligent control research object are a mathematical model with uncertainty, high nonlinearity and complex task requirements.
Intelligent control is the process by which an intelligent machine autonomously achieves its goals. A smart machine is defined as a machine that performs human-defined tasks, either autonomously or interactively with a human, in a structured or unstructured, familiar or unfamiliar environment.
The main goal of intelligent control research is no longer the controlled object, but the controller itself. The controller is not a single mathematical model analytical type, but a generalized model combining mathematical analysis and a knowledge system, and is a control system combining multiple disciplinary knowledge. The intelligent control theory is to establish the characteristic pattern recognition of the controlled dynamic process and control based on the reasoning of knowledge and experience and intelligent decision. A good intelligent controller has the characteristics of multiple modes, variable structures, variable parameters and the like, and can change the structure of the controller and adjust the parameters according to the control mode of the controlled dynamic process characteristic identification, learning and organization.
At present, in the use process of a gas stove, an attended scene and an unattended scene exist, and the unattended scene has a scene that a user does not want to use the gas stove.
In order to overcome the defects, the invention builds an enabling control platform and method for switching the pipeline states, and can effectively solve the corresponding technical problems.
The enabling control platform for pipeline state switching according to the embodiment of the invention comprises:
the enabling control mechanism is connected with the state change-over switch and used for controlling whether the state change-over switch is in an enabling state currently under the control of a user;
a pipe control valve provided on a gas supply pipe of a gas range for performing opening or closing of the gas supply pipe;
the state switch is connected with the pipeline control valve and used for driving the pipeline control valve to close the fuel gas supply pipeline only when a first driving signal is received in an enabling state;
the state switch is also used for driving the pipeline control valve to open the gas supply pipeline when receiving a second driving signal in an enabling state;
the state change-over switch adopts a mechanical mode to open or close the gas supply pipeline, and comprises a driving motor and a mechanical arm;
the directional acquisition mechanism is arranged above a hearth of the gas stove and used for carrying out image data acquisition on the hearth site so as to obtain a corresponding directional acquisition image;
the filtering and sharpening device is positioned near the directional acquisition mechanism, is connected with the directional acquisition mechanism, and is used for carrying out high-pass filtering and sharpening processing on the received directional acquisition image so as to obtain and output a corresponding filtered and sharpened image;
the content sharpening device is connected with the filtering sharpening device and is used for carrying out edge sharpening processing on the received filtering sharpened image so as to obtain and output a corresponding edge sharpened image;
the guiding filtering device is connected with the content sharpening device and used for executing guiding filtering processing on the received edge sharpened image so as to obtain and output a corresponding guiding filtering image;
the identification detection mechanism is connected with the guide filtering equipment and used for identifying a switch identification object from the guide filtering image based on switch identification imaging characteristics, the switch identification is a white line segment which is arranged on a gas switch knob and used for marking the opening degree of the gas switch knob, one end of the white line segment is arranged at the center of the gas switch knob, and the other end of the white line segment is arranged at the edge of the gas switch knob;
the direction recognition equipment is respectively connected with the state change-over switch and the identification detection mechanism and is used for judging and sending out a first driving signal or a second driving signal based on the angle of the minimum included angle formed by the white line segment corresponding to the switch identification object and the uppermost horizontal pixel line of the guide filtering image in the guide filtering image;
wherein determining to issue the first driving signal or the second driving signal based on an angle of a minimum included angle formed by a white line segment corresponding to the switch identification object and an uppermost horizontal pixel line of the guide filter image in the guide filter image comprises: and when the angle difference of the minimum angle smaller than 90 degrees is smaller than or equal to a preset angle threshold value, sending a second driving signal.
Next, a further description of the specific structure of the enabling control platform for pipe state switching of the present invention will be continued.
In the enabling control platform for switching pipeline states:
determining, based on an angle of a minimum included angle formed by a white line segment corresponding to the switch identification object and an uppermost horizontal pixel line of the guide filter image in the guide filter image, that the issuing of the first drive signal or the second drive signal includes: and when the angle difference of the minimum angle smaller than 90 degrees is larger than the preset angle threshold, sending a first driving signal.
In the enabling control platform for switching pipeline states:
and the mobile communication mechanism is connected with the direction identification equipment and is used for wirelessly sending the received first driving signal or the second driving signal to a nearest user handheld terminal through a mobile communication link.
In the enabling control platform for switching pipeline states:
the distance between the mobile communication mechanism and the cooking bench of the gas stove exceeds a preset distance threshold value.
The enabling control platform for switching the pipeline states further comprises:
and the load detection equipment is used for receiving the utilization rate of the current core of the identification detection mechanism, wherein the utilization rate is a percentage.
The enabling control platform for switching the pipeline states further comprises:
the data identification equipment is connected with the load detection equipment and is used for sending a load overfill signal when the utilization rate exceeds the limit;
wherein the data discrimination apparatus is further configured to signal a sufficient load when the received utilization is not exceeded.
The enabling control platform for switching the pipeline states further comprises:
and the MCU controller is connected with the data identification equipment and is used for entering a working mode from a sleep mode when receiving a load overfill signal.
In the enabling control platform for switching pipeline states:
and the MCU controller is also used for bearing part of tasks of the identification detection mechanism when the MCU controller enters the working mode.
The enabling control platform for switching the pipeline states further comprises:
the WIFI communication equipment is connected with the direction identification equipment and used for receiving the output data of the direction identification equipment and wirelessly sending the output data;
wherein the MCU controller is further configured to refuse to undertake a portion of the tasks of the identification detection mechanism upon entering the sleep mode.
Meanwhile, in order to overcome the defects, the invention also builds an enabling control method for pipeline state switching, and the method comprises the step of using the enabling control platform for pipeline state switching to judge the current switch state of the gas stove in a user-set monitoring mode so as to decide whether to start corresponding emergency measures.
In addition, a Micro Control Unit (MCU), also called a single chip Microcomputer (single chip Microcomputer) or a single chip Microcomputer (MCU), properly reduces the frequency and specification of a Central Processing Unit (CPU), and integrates peripheral interfaces such as a memory (memory), a counter (Timer), a USB, an a/D converter, a UART, a PLC, a DMA, and the like, and even an LCD driving circuit on a single chip to form a chip-level computer, which performs different combination control for different applications. Such as mobile phones, PC peripherals, remote controls, to automotive electronics, industrial stepper motors, robotic arm controls, etc., see the silhouette of the MCU.
The 32-bit MCU can be said to be the mainstream of the MCU market, the price of a single MCU is between 1.5 and 4 dollars, the working frequency is mostly between 100 and 350MHz, the execution efficiency is better, and the application types are also multiple. However, the length of the program code with the same function of the 32-bit MCU is increased by 30-40% compared with that of the 8/16-bit MCU due to the increase of the operand and the length of the memory, which causes that the capacity of the embedded OTP/FlashROM memory cannot be too small, and the number of external pins of the chip is greatly increased, thereby further limiting the cost reduction capability of the 32-bit MCU.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: Read-Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disk, and other various media capable of storing program codes.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An enabled control platform for pipe state switching, the platform comprising:
the enabling control mechanism is connected with the state change-over switch and used for controlling whether the state change-over switch is in an enabling state currently under the control of a user;
a pipe control valve provided on a gas supply pipe of a gas range for performing opening or closing of the gas supply pipe;
the state switch is connected with the pipeline control valve and used for driving the pipeline control valve to close the fuel gas supply pipeline only when a first driving signal is received in an enabling state;
the state switch is also used for driving the pipeline control valve to open the gas supply pipeline when receiving a second driving signal in an enabling state;
the state change-over switch adopts a mechanical mode to open or close the gas supply pipeline, and comprises a driving motor and a mechanical arm;
the directional acquisition mechanism is arranged above a hearth of the gas stove and used for carrying out image data acquisition on the hearth site so as to obtain a corresponding directional acquisition image;
the filtering and sharpening device is positioned near the directional acquisition mechanism, is connected with the directional acquisition mechanism, and is used for carrying out high-pass filtering and sharpening processing on the received directional acquisition image so as to obtain and output a corresponding filtered and sharpened image;
the content sharpening device is connected with the filtering sharpening device and is used for carrying out edge sharpening processing on the received filtering sharpened image so as to obtain and output a corresponding edge sharpened image;
the guiding filtering device is connected with the content sharpening device and used for executing guiding filtering processing on the received edge sharpened image so as to obtain and output a corresponding guiding filtering image;
the identification detection mechanism is connected with the guide filtering equipment and used for identifying a switch identification object from the guide filtering image based on switch identification imaging characteristics, the switch identification is a white line segment which is arranged on a gas switch knob and used for marking the opening degree of the gas switch knob, one end of the white line segment is arranged at the center of the gas switch knob, and the other end of the white line segment is arranged at the edge of the gas switch knob;
the direction recognition equipment is respectively connected with the state change-over switch and the identification detection mechanism and is used for judging and sending out a first driving signal or a second driving signal based on the angle of the minimum included angle formed by the white line segment corresponding to the switch identification object and the uppermost horizontal pixel line of the guide filtering image in the guide filtering image;
wherein determining to issue the first driving signal or the second driving signal based on an angle of a minimum included angle formed by a white line segment corresponding to the switch identification object and an uppermost horizontal pixel line of the guide filter image in the guide filter image comprises: and when the angle difference of the minimum angle smaller than 90 degrees is smaller than or equal to a preset angle threshold value, sending a second driving signal.
2. The enabling control platform for pipe state switching as recited in claim 1, wherein:
determining, based on an angle of a minimum included angle formed by a white line segment corresponding to the switch identification object and an uppermost horizontal pixel line of the guide filter image in the guide filter image, that the issuing of the first drive signal or the second drive signal includes: and when the angle difference of the minimum angle smaller than 90 degrees is larger than the preset angle threshold, sending a first driving signal.
3. The enabling control platform for pipe state switching as recited in claim 2, wherein:
and the mobile communication mechanism is connected with the direction identification equipment and is used for wirelessly sending the received first driving signal or the second driving signal to a nearest user handheld terminal through a mobile communication link.
4. The enabling control platform for pipe state switching as recited in claim 3, wherein:
the distance between the mobile communication mechanism and the cooking bench of the gas stove exceeds a preset distance threshold value.
5. The enabling control platform for pipe state switching according to claim 4, wherein said platform further comprises:
and the load detection equipment is used for receiving the utilization rate of the current core of the identification detection mechanism, wherein the utilization rate is a percentage.
6. The enabling control platform for pipe state switching according to claim 5, wherein said platform further comprises:
the data identification equipment is connected with the load detection equipment and is used for sending a load overfill signal when the utilization rate exceeds the limit;
wherein the data discrimination apparatus is further configured to signal a sufficient load when the received utilization is not exceeded.
7. The enabling control platform for pipe state switching according to claim 6, wherein said platform further comprises:
and the MCU controller is connected with the data identification equipment and is used for entering a working mode from a sleep mode when receiving a load overfill signal.
8. The enabling control platform for pipe state switching according to claim 7, wherein:
and the MCU controller is also used for bearing part of tasks of the identification detection mechanism when the MCU controller enters the working mode.
9. The enabling control platform for pipe state switching according to claim 8, wherein said platform further comprises:
the WIFI communication equipment is connected with the direction identification equipment and used for receiving the output data of the direction identification equipment and wirelessly sending the output data;
wherein the MCU controller is further configured to refuse to undertake a portion of the tasks of the identification detection mechanism upon entering the sleep mode.
10. An enabling control method for pipeline state switching, the method comprising using the enabling control platform for pipeline state switching according to any one of claims 1-9 to judge the current switch state of a gas stove in a user-set monitoring mode to decide whether to start corresponding emergency measures.
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