CN102722201B - Automatic baking monitoring system and method - Google Patents
Automatic baking monitoring system and method Download PDFInfo
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- CN102722201B CN102722201B CN201210221024.0A CN201210221024A CN102722201B CN 102722201 B CN102722201 B CN 102722201B CN 201210221024 A CN201210221024 A CN 201210221024A CN 102722201 B CN102722201 B CN 102722201B
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Abstract
The invention provides an automatic baking monitoring system and method which are used for monitoring a food baking process in an oven. The system mainly comprises a central control computer and an acquisition control subsystem which is in data communication with the central control computer, wherein the acquisition control subsystem comprises a baking heater, ventilation adjustment equipment, a humidity and temperature sensor, a proportion integration differentiation (PID) controller and an electronic nose. By using the automatic baking monitoring system and the automatic baking monitoring method, actual temperature, actual humidity and actual gas components in the food baking process in the oven can be automatically acquired in real time through circulating judgment and control; a baking stage of foods can be accurately judged in real time according to the actual gas components in the oven; the temperature and the humidity in the oven are correspondingly adjusted to be equal to a baking temperature set value and a baking humidity set value which correspond to the baking stage of the foods; adaptive adjustment monitoring of the food baking process is realized; and the accuracy and the baking quality of a baking process are improved.
Description
Technical field
The invention belongs to computer technology and technical field of automatic control, relate in particular to a kind of automatic baking supervisory system and method.
Background technology
In world's overwhelming majority of countries, no matter be people's staple food, or non-staple food, baked product all occupies very important position.Baked product is also referred to as baked goods, both comprised the cereal preparation through baking processing, and the cake such as acute pyogenic infection of finger tip bread, biscuit conventionally comprises again the bacon of baking, the food of other kinds such as tealeaves of curing.
China is since reform and opening-up, bakery product industry has obtained development faster, and along with further developing of China's economic, consumer also presents high-grade day by day to the demand of bakery product, the requirement of quality, this has higher requirement to baking the enterprise of industry.But China bakes industry and still has a lot of problems at present, how for current form, takes corresponding measure to promote that the development of the industry is particularly important.
Other country of baked goods and the world of China compares now, also has sizable gap.No matter be baking process technology, baking end product quality, or production scale, product category aspect, also have a large amount of work to do.
Baking is an important step that determines baked goods final mass and availability, the outward appearance commercial grade index of baking final mass is as quality factors such as color, gloss, oil contents, and inherent chemical composition and the jealous index of fragrance, only have after modulating by baking and just can show.Conventional artificial baking need to be carried out on-site supervision by workman, in the process of baking, the overwhelming majority relies on artificial experience and manual operations, not only required labour intensity is large, and the risk of bearing is high, baking technology is difficult to grasp, the phenomenon ubiquities such as baking error, roasting paste, and baking loss is comparatively serious.
In recent years, automatic or the semi-automatic development of China's baking industry is also in the elementary starting stage, in the production of automatic or Semiautomatic curing equipment, urgent problem is more correctly to implement baking process, reduce baking recruitment, reduce labor intensity, improve baking benefit, its solution is to adopt supporting automatic control system, partly or entirely replace artificial baking, the baking process of accurate operative norm, at utmost less baking labour intensity and handling cost, improve baking quality.
Current automatic or semi-automatic baking box, has only designed several time-based baking patterns conventionally, and every kind of baking pattern is provided with fixing baking time, and progress is controlled the temperature and humidity of baking in time.But this baking control mode is difficult to adapt to flexibly different baking applications environment, can not adjust the control to baking temperature and humidity according to the actual baking progress self-adaptation of food, the accuracy of baking process and baking quality are all more difficult to get assurance.
Summary of the invention
For the above-mentioned problems in the prior art, in order to solve baking control technology self-adaptation of the prior art, adjust that performance is limited, the accuracy of baking process and the problem that baking quality is more difficult to get assurance, the invention provides a kind of automatic baking supervisory system and method, to promote, the self-adaptation of roasting food process is adjusted to performance, better guarantee accuracy and the baking quality of baking process.
For achieving the above object, the present invention has adopted following technological means:
An automatic baking supervisory system, monitors for the roasting food process in baking box, this system mainly by control computer and the collection control subsystem that is connected with described middle control computer data communication form, described collection control subsystem comprises baking heater, ventilation conditioning equipment, Temperature Humidity Sensor, PID controller and Electronic Nose, described baking heater is placed in baking box, is electrically connected to, for the food in baking box being carried out to Baking out according to the control operation of PID controller with PID controller, described ventilation conditioning equipment is electrically connected to PID controller, for regulating the switching of baking box vent passages and the size of ventilation according to the control operation of PID controller, described Temperature Humidity Sensor is placed in baking box, is connected, for gathering actual temperature and the actual humidity in baking box and sending PID controller to PID controller data, described PID controller also carries out data communication with middle control computer and is connected, the baking temperature setting value and the curing humidity setting value that for receiving control computer, send, and obtain actual temperature and the actual humidity in the baking box that Temperature Humidity Sensor gathers, according to the actual temperature in baking box and actual humidity, baking heater and ventilation conditioning equipment are carried out to control operation, make the temperature and humidity in baking box reach respectively baking temperature setting value and curing humidity setting value, described Electronic Nose is carried out data communication with middle control computer and is connected, for gathering the actual gas composition in baking box and sending control computer to, described middle control computer stores the roasting food monitor message table that is baked food, in described roasting food monitor message table, record be baked food each baking stage the corresponding characteristic gas composition distributing and be baked food in baking temperature setting value corresponding to each baking stage and curing humidity setting value, middle control computer is for the actual gas composition in the baking box that obtains Electronic Nose and gather, by the actual gas composition in baking box be baked the roasting food monitor message table of food in record be baked food each baking stage the corresponding characteristic gas composition distributing contrast, the characteristic gas composition comprising according to the actual gas composition in baking box is determined the residing baking of the food stage that is baked, and then determine and to be baked baking temperature setting value corresponding to the residing baking of food stage and curing humidity setting value by the roasting food monitor message table that inquiry is baked food, and send to PID controller by being baked baking temperature setting value corresponding to the residing baking of food stage and curing humidity setting value.
In above-mentioned automatic baking supervisory system, further, described collection control subsystem also comprises monopod video camera; Described monopod video camera is placed in baking box, carries out data communication be connected with middle control computer, for the control operation of basis control computer, gathers the video image in baking box and sends middle control computer to; Described middle control computer is also for carrying out control operation to monopod video camera, obtains the video image in the baking box of monopod video camera collection and carries out Graphics Processing.
In above-mentioned automatic baking supervisory system, further, described collection control subsystem has a plurality of, each gathers control subsystem and is connected with middle control computer data communication respectively, and each gathers control subsystem for a corresponding baking box, thereby realize, the roasting food process in a plurality of baking boxs is monitored.
An automatic baking method for supervising, adopts automatic baking supervisory system as above to monitor; The method comprises the steps:
1) in middle control computer, store and set in advance the roasting food monitor message table that is baked food, in described roasting food monitor message table, record be baked food each baking stage the corresponding characteristic gas composition distributing and be baked food in baking temperature setting value corresponding to each baking stage and curing humidity setting value;
2) will be baked food and put into baking box, start roasting food process;
3) the actual gas composition in Electronic Nose Real-time Collection baking box send middle control computer to; Actual temperature and actual humidity in Temperature Humidity Sensor Real-time Collection baking box also sends PID controller to;
4) in, control computer obtains the actual gas composition in the baking box that Electronic Nose gathers, by the actual gas composition in baking box be baked the roasting food monitor message table of food in record be baked food each baking stage the corresponding characteristic gas composition distributing contrast, the characteristic gas composition comprising according to the actual gas composition in baking box is determined the residing baking of the food stage that is baked, and then determine and to be baked baking temperature setting value corresponding to the residing baking of food stage and curing humidity setting value by the roasting food monitor message table that inquiry is baked food, and send to PID controller by being baked baking temperature setting value corresponding to the residing baking of food stage and curing humidity setting value,
5) in the reception of PID controller, control computer sends baking temperature setting value and curing humidity setting value, and obtain actual temperature and the actual humidity in the baking box that Temperature Humidity Sensor gathers, according to the actual temperature in baking box and actual humidity, baking heater and ventilation conditioning equipment are carried out to control operation, allow baking heater, according to the control operation of PID controller, the food in baking box is carried out to Baking out, allow ventilation conditioning equipment regulate the switching of baking box vent passages and the size of ventilation according to the control operation of PID controller, thereby make the temperature and humidity in baking box reach respectively baking temperature setting value and curing humidity setting value,
6) circulation execution step 4 ~ 5, until roasting food process finishes.
Than prior art, the present invention has following beneficial effect:
1, automatic baking supervisory system of the present invention, can be under the environment of unmanned or few man on duty the actual temperature in roasting food process in Real-time Collection baking box automatically, actual humidity and actual gas composition, according to the actual gas composition in baking box, accurately judge in real time the residing baking of the food stage, and the temperature and humidity in corresponding adjusting baking box makes it to reach corresponding baking temperature setting value and curing humidity setting value of residing baking stage of food, the self-adaptation adjustment monitoring of realization to roasting food process, and then accuracy and the baking quality of baking process have been improved.
2, automatic baking supervisory system of the present invention can also be in conjunction with video camera technology, color and luster to food in baking box in bake process, proterties change observes and record, so that technician controls the overall process of roasting food technique better, help further to promote baking quality.
3, automatic baking supervisory system of the present invention, by Computer Data Communication technology, realizes the joint-monitoring to the roasting food process in a plurality of baking boxs, has further reduced the labour intensity that baking process is controlled, and also contributes to reduce system scale construction cost.
4, automatic baking method for supervising of the present invention is easy to grasp for operating personnel, without operating personnel, know a large amount of, complete baking technology, only need just can realize high-quality roasting food process monitoring by simple work, effectively promoted the development of specialized baking, improved product baking quality and benefit, also made the efficiency of baking operation be greatly improved.
Accompanying drawing explanation
Fig. 1 is the architecture block diagram of a kind of embodiment of automatic baking supervisory system of the present invention;
Fig. 2 is the FB(flow block) of automatic baking method for supervising of the present invention;
Fig. 3 is a kind of architecture block diagram of improving embodiment of automatic baking supervisory system of the present invention;
Fig. 4 is the another kind of architecture block diagram of improving embodiment of automatic baking supervisory system of the present invention.
Embodiment
Below in conjunction with drawings and Examples, technical scheme of the present invention is further described.
The invention provides a kind of automatic baking supervisory system, for the roasting food process in baking box is monitored, to solve baking control technology self-adaptation of the prior art, adjust that performance is limited, the accuracy of baking process and the problem that baking quality is more difficult to get assurance.As shown in Figure 1, automatic baking supervisory system of the present invention mainly by control computer and the collection control subsystem that is connected with middle control computer data communication form; A set of collection control subsystem mainly includes the equipment such as baking heater, ventilation conditioning equipment, Temperature Humidity Sensor, PID controller and Electronic Nose.
Baking heater is placed in baking box, is electrically connected to, for the food in baking box being carried out to Baking out according to the control operation of PID controller with PID controller.The Baking out device that baking heater can select existing conventional oven to adopt, is commercial matured product, and the baking heater product specification of specifically selecting is determined according to the concrete object that is baked food.
Ventilation conditioning equipment is electrically connected to PID controller, for regulating the switching of baking box vent passages and the size of ventilation according to the control operation of PID controller.In concrete application, as a kind of embodiment, ventilation conditioning equipment can be mainly consists of the automatically controlled air door that is arranged at the air inlet fan of baking box air inlet and is arranged at baking box air-out passage, this air inlet fan and automatically controlled air door are electrically connected to PID controller respectively, according to the control operation of the PID controller size of adjusting air inflow quantity and the switching of air-out passage respectively, thereby realize the regulatory function to the switching of baking box vent passages and ventilation size; As another embodiment, ventilation conditioning equipment can be mainly consists of the air exhauster that is arranged at the automatically controlled air door of baking box air intake passage and is arranged at baking box air outlet, this automatically controlled air door and air exhauster are electrically connected to PID controller respectively, according to the control operation of PID controller, regulate respectively the switching of inlet channel and the size of exhausting amount, thereby realize the regulatory function to the switching of baking box vent passages and ventilation size.
Temperature Humidity Sensor is placed in baking box, is connected, for gathering actual temperature and the actual humidity in baking box and sending PID controller to PID controller data.Temperature Humidity Sensor is existing matured product, can be by commercial acquisition, for example can adopt Siemens analog expansion module EM231CN, wherein including Temperature Humidity Sensor is wet and dry bulb PT100 sensor, to realize the collection to actual temperature in baking box and actual humidity; Be about ± 0.5%FS ± the 1D of temperature measurement accuracy of wet and dry bulb PT100 sensor, be about ± 2%FS ± 1D of moisture measurement precision, temperature-measuring range is between 0 ~ 120 ℃, hygrometric scope is 5%-100%RH, working power is alternating current 220V ± 10%, 50Hz, power consumption per hour is less than 5W, and possesses eight sections of humiture programing functions and RS485 communication function, function admirable.
PID controller is except being electrically connected to, being connected with Temperature Humidity Sensor data with ventilation conditioning equipment with baking heater respectively, also carrying out data communication with middle control computer is connected, the baking temperature setting value and the curing humidity setting value that for receiving control computer, send, and obtain actual temperature and the actual humidity in the baking box that Temperature Humidity Sensor gathers, according to the actual temperature in baking box and actual humidity, baking heater and ventilation conditioning equipment are carried out to control operation, make the temperature and humidity in baking box reach respectively baking temperature setting value and curing humidity setting value.The core of PID controller is pid control algorithm (proportional-integral-differential control algolithm), by pid control algorithm, realize negative feedback closed loop control function and can suppress the caused disturbance of various factors in system closed loop, make feedback follow set point change, be that PID controller for example, for example, according to the difference of the actual value of setting value (the baking temperature setting value in this programme and curing humidity setting value) and controlled device (actual temperature and actual humidity in the baking box that in this programme, baking heater and the work of ventilation conditioning equipment form), according to PID control algolithm, calculate the control output quantity of PID controller, and then to for example, being carried out control operation by control object (baking heater and ventilation conditioning equipment in this programme), make the actual value of controlled device reach setting value.PID controller is also matured product of the prior art, for example can select Siemens S7-200 series CPU 224XP CN AC/DC/Relay PID controller able to programme, the PID controller of Siemens S7-200 series can be by arranging the sampling time of pid control algorithm, gain, integral time, the parameters such as derivative time are controlled baking heater and ventilation conditioning equipment, RS485 communication function is also provided simultaneously, S7-200 Series P ID controller can be carried out to data communication with middle control computer is connected, then by the software interface operating on middle control computer, the correlation parameter of S7-200 Series P ID controller is arranged and monitored.
Described Electronic Nose is carried out data communication with middle control computer and is connected, for gathering the actual gas composition in baking box and sending control computer to.Electronic Nose is to utilize the response collection of illustrative plates of gas sensor array to identify electronic installation or the system of smell, mainly gas sensor array, Signal Pretreatment unit and pattern recognition unit three parts, consists of.The principle of work of Electronic Nose is: in face of certain smell is presented on the gas sensor that a kind of active material makes, gas sensor can convert the chemistry input of this gas to electric signal output, adopt a plurality of gas sensors to form gas sensor array, the plurality of gas sensor has just formed the electric signal output array of gas sensor array to this smell to a kind of response of smell; For realizing the qualitative or quantitative test to smell, the electric signal output of gas sensor must be carried out to suitable pre-service and (eliminate noise, feature extraction, signal amplification, normalization etc.), after, by pattern recognition unit, adopt suitable pattern recognition analysis method to carry out identifying processing to it; In theory, every kind of smell is for gas sensor array and Yan Douhui has its characteristic of correspondence array of electrical signals value, gas neuron using different odor characteristic of correspondence array of electrical signals value as Electronic Nose is stored in pattern recognition unit, carry out when gas detects the electric signal output array value of gas sensor array to contrast and mate identification with gas neuron, just can distinguish with environment-identification in different gas componants, and can utilize gas sensor array to measure identification to the cross-sensitivity of multiple gases.Electronic Nose also belongs to prior art, there is commercial matured product, also can realize by independent research, in concrete application gas sensor array select and pattern recognition unit in the neuronic setting of gas, need according to the present invention automatic baking supervisory system for be baked food item and each stage distributes in bake process characteristic gas composition and determining; as for composition situation how specifically to study the gas componant that the different phase of food in bake process distribute, and select that the different phase of food in bake process distribute any or which are planted gas componant as the characteristic gas composition in the corresponding baking stage for Division identification food, it not key content of the present invention, the present invention only need to utilize the existing result of study that is baked the characteristic gas composition situation that the different phase of food in bake process distribute, according to this result of study, select a plurality of gas sensors being respectively baked various characteristic gas compositions that food distributes in each baking stage with good sensitive response characteristic to form gas sensor arrays, and in pattern recognition unit, set to comprise and be baked food gas neuron corresponding to various characteristic gas compositions that each stage distributes in bake process, to guarantee that being baked the food various characteristic gas compositions that each stage is distributed in bake process all can be gathered and identify by Electronic Nose.It should be noted that, in the present invention, be baked food each baking stage the corresponding characteristic gas composition distributing, specifically refer to: be baked among the gas componant that food distributes in any baking stage, can be used in differentiation judgement and be baked food one or more gas componants in this baking stage, as being baked the characteristic gas composition that food distributed in this baking stage; Obtain being thus baked food each baking stage the corresponding characteristic gas composition distributing.
Middle control computer stores the roasting food monitor message table that is baked food, in described roasting food monitor message table, record be baked food each baking stage the corresponding characteristic gas composition distributing and be baked food in baking temperature setting value corresponding to each baking stage and curing humidity setting value, middle control computer is for the actual gas composition in the baking box that obtains Electronic Nose and gather, by the actual gas composition in baking box be baked the roasting food monitor message table of food in record be baked food each baking stage the corresponding characteristic gas composition distributing contrast, the characteristic gas composition comprising according to the actual gas composition in baking box is determined the residing baking of the food stage that is baked, and then determine and to be baked baking temperature setting value corresponding to the residing baking of food stage and curing humidity setting value by the roasting food monitor message table that inquiry is baked food, and send to PID controller by being baked baking temperature setting value corresponding to the residing baking of food stage and curing humidity setting value.Middle control computer can adopt the personal computer of prior art to realize, and generally includes the component part of the personal computers such as main frame, data collecting card, display, is mainly used in realizing distal center integrated monitoring operating function, realizes man-machine conversation, certainly, realize above-mentioned functions and need in middle control computer, design corresponding baking monitoring software, this baking monitoring software can be in windows XP operating system, windows7 operating system, on the conventional computer operating system platform such as windows server 2003 operating systems, utilize the software design tools such as delphi to be designed research and development, the baking monitoring software having designed is correspondingly in windows XP operating system, windows7 operating system, on the conventional computer operating system platform such as windows server 2003 operating systems, moved, realize good in interactive function, in order to carry out above-mentioned baking policer operation.In the present invention program, if gathered in control subsystem, carry out with middle control computer the equipment that data communication is connected and all adopt RS485 communication interface, in control computer also adopt the data collecting card of RS485 communication interface; And the serial ports of personal computer has only adopted the data collecting card of RS232 communication interface in designing conventionally, in this case, if carry out with middle control computer the equipment that data communication is connected in collection control subsystem, all adopt RS485 communication interface, can by RS485 RS 232 interface convertor realize gather in control subsystem with middle control computer between data communication be connected.
In automatic baking supervisory system of the present invention and prior art, time-based baking pattern is controlled and is had essential technology difference.In the time-based baking pattern of prior art is controlled, every kind of baking pattern is provided with fixing baking time, progress is controlled the temperature and humidity of baking in time, this baking control mode is difficult to adapt to flexibly different baking applications environment, can not adjust the control to baking temperature and humidity according to the actual baking progress self-adaptation of food; For example, for some, be baked to the interstage but food from being difficult in appearance obviously distinguished, it there is no obvious difference during from the appearance with complete raw state, if adopt time-based baking pattern, it is carried out to whole process baking, will cause roasting food excessive, affect accuracy and the baking quality of baking process.Automatic baking supervisory system of the present invention has adopted the method for supervising that is obviously different from prior art.Because the principal ingredient of food is carbohydrates, its carbohydrates in bake process is subject to thermal distortion and is accompanied by moisture to evaporate, distinctive carbohydrate component in just can food carrying in the moisture evaporating, and the carbohydrates carrying in its transpiring moisture of the different phase in roasting food process also changes with the food situation of change of being heated, the composition situation of the gas componant that therefore different phase of food in bake process distributed is different, so, among the gas componant of distributing in any one baking stage of food, always can find one or more gas componants is not in other baking stage with difference judgement food in this baking stage, thereby this kind of or multiple gases composition can be used as in order to distinguish the characteristic gas composition of judgement food in this baking stage, automatic baking supervisory system of the present invention has been utilized this characteristic of food just, has adopted a kind of automatic baking method for supervising based on gas componant collection and judgement, and the treatment scheme of this method for supervising as shown in Figure 2, specifically comprises the steps:
1) in middle control computer, store and set in advance the roasting food monitor message table that is baked food, in described roasting food monitor message table, record be baked food each baking stage the corresponding characteristic gas composition distributing and be baked baking temperature setting value corresponding to each baking stage of food and curing humidity setting value;
2) will be baked food and put into baking box, start roasting food process;
3) the actual gas composition in Electronic Nose Real-time Collection baking box send middle control computer to; Actual temperature and actual humidity in Temperature Humidity Sensor Real-time Collection baking box also sends PID controller to;
4) in, control computer obtains the actual gas composition in the baking box that Electronic Nose gathers, by the actual gas composition in baking box be baked the roasting food monitor message table of food in record be baked food each baking stage the corresponding characteristic gas composition distributing contrast, the characteristic gas composition comprising according to the actual gas composition in baking box is determined the residing baking of the food stage that is baked, and then determine and to be baked baking temperature setting value corresponding to the residing baking of food stage and curing humidity setting value by the roasting food monitor message table that inquiry is baked food, and send to PID controller by being baked baking temperature setting value corresponding to the residing baking of food stage and curing humidity setting value,
5) in the reception of PID controller, control computer sends baking temperature setting value and curing humidity setting value, and obtain actual temperature and the actual humidity in the baking box that Temperature Humidity Sensor gathers, according to the actual temperature in baking box and actual humidity, baking heater and ventilation conditioning equipment are carried out to control operation, allow baking heater, according to the control operation of PID controller, the food in baking box is carried out to Baking out, allow ventilation conditioning equipment regulate the switching of baking box vent passages and the size of ventilation according to the control operation of PID controller, thereby make the temperature and humidity in baking box reach respectively baking temperature setting value and curing humidity setting value,
6) circulation execution step 4 ~ 5, until roasting food process finishes.
By above-mentioned automatic baking monitor procedure, can see, automatic baking method for supervising of the present invention is by cycle criterion and control, the characteristic gas composition that can distribute according to food in baking box is in real time judged the residing baking stage of food that is baked, and then control in real time temperature and humidity in baking box and reach respectively and be baked corresponding baking temperature setting value and curing humidity setting value of residing baking stage of food, make automatic baking supervisory system to adjust the control to baking temperature and humidity according to the concrete baking stage self-adaptation of food, the baking temperature setting value and the curing humidity setting value that to reach accurately baking process expection, require, therefore no matter be baked food in which in baking stage, automatic baking supervisory system can both require roasting food process to control accurately according to the baking process recording in roasting food monitor message table, even if food starts to start bake process from toasting the interstage, also there will not be the excessive fault policer operation of roasting food.As can be seen here, automatic baking supervisory system of the present invention and method for supervising have promoted adjusts performance to the self-adaptation of roasting food process, can better guarantee accuracy and the baking quality of baking process.For concrete enforcement, roasting food monitor message table that can pre-stored multiple food in middle control computer, toasting when monitoring, a conduct therefrom setting corresponding kind according to the concrete kind that is baked food is baked the roasting food monitor message table of food; Certainly, if monitored baking box is exclusively used in a kind of food of baking, in middle control computer, only need storage and set to be baked the roasting food monitor message table that food is corresponding.
Improvement project as automatic baking supervisory system of the present invention, on the basis of said system framework, can also set up video monitoring function, in gathering control subsystem, set up monopod video camera, monopod video camera is placed in baking box, carry out data communication with middle control computer and be connected, for the control operation of basis control computer, gather the video image in baking box and send middle control computer to; Middle control computer, except realizing above-mentioned monitoring function, also for monopod video camera is carried out to control operation, obtains the video image in the baking box of monopod video camera collection and carries out Graphics Processing; The system architecture figure of this improvement project automatic baking supervisory system as shown in Figure 3.When concrete application, because monopod video camera is placed in baking box, its operating ambient temperature is higher, therefore preferably monopod video camera is added to vacuum heat-insulation protective cover, guarantee its normal work under hot environment, monopod video camera, vacuum heat-insulation protective cover are matured product of the prior art, can be by commercial acquisition.Monopod video camera mainly consists of The Cloud Terrace and video camera two parts of being erected on The Cloud Terrace; The Cloud Terrace conventionally need to carry out data communication with the data collecting card of middle control computer by coding controller and be connected, by in control computer to coding controller sending controling instruction, coding controller carries out corresponding camera angle adjusting operation by controlling The Cloud Terrace after steering order decoding; Simultaneously, in control computer, need to set up video frequency collection card, video camera can directly carry out data communication with the video frequency collection card of middle control computer and be connected, send the video image in the baking box of collection to middle control computer, middle control computer carries out Graphics Processing after obtaining the video image in the baking box of its collection, display by middle control computer presents, and also can carry out stored record to video image.This improvement project is passed through in conjunction with video camera technology, make operating personnel pass through control computer in operation, just can the color and luster in bake process, metamorphosis observe and record food in baking box, be convenient to the overall process that technician better controls roasting food technique, help further to promote baking quality.
As automatic baking supervisory system of the present invention improvement project on the other hand, collection control subsystem in system can have a plurality of, each gathers control subsystem and by aforesaid mode, is connected with middle control computer data communication respectively, each gathers control subsystem for a corresponding baking box, thereby realize, the roasting food process in a plurality of baking boxs is monitored; The system architecture figure of this improvement project automatic baking supervisory system as shown in Figure 4.Thus; make automatic baking supervisory system of the present invention can be able to the integrated application of scale; by operating personnel, by control computer in, just can realize the joint-monitoring to the roasting food process in a plurality of baking boxs; further reduce on the one hand the labour intensity that baking process is controlled, also contributed on the other hand to reduce system scale construction cost.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (4)
1. an automatic baking supervisory system, is characterized in that, for the roasting food process in baking box, monitors; This system mainly by control computer and the collection control subsystem that is connected with described middle control computer data communication form; Described collection control subsystem comprises baking heater, ventilation conditioning equipment, Temperature Humidity Sensor, PID controller and Electronic Nose;
Described baking heater is placed in baking box, is electrically connected to, for the food in baking box being carried out to Baking out according to the control operation of PID controller with PID controller;
Described ventilation conditioning equipment is electrically connected to PID controller, for regulating the switching of baking box vent passages and the size of ventilation according to the control operation of PID controller;
Described Temperature Humidity Sensor is placed in baking box, is connected, for gathering actual temperature and the actual humidity in baking box and sending PID controller to PID controller data;
Described PID controller also carries out data communication with middle control computer and is connected, the baking temperature setting value and the curing humidity setting value that for receiving control computer, send, and obtain actual temperature and the actual humidity in the baking box that Temperature Humidity Sensor gathers, according to the actual temperature in baking box and actual humidity, baking heater and ventilation conditioning equipment are carried out to control operation, make the temperature and humidity in baking box reach respectively baking temperature setting value and curing humidity setting value;
Described Electronic Nose is carried out data communication with middle control computer and is connected, for gathering the actual gas composition in baking box and sending control computer to;
Described middle control computer stores the roasting food monitor message table that is baked food, in described roasting food monitor message table, record be baked food each baking stage the corresponding characteristic gas composition distributing and be baked food in baking temperature setting value corresponding to each baking stage and curing humidity setting value, middle control computer is for the actual gas composition in the baking box that obtains Electronic Nose and gather, by the actual gas composition in baking box be baked the roasting food monitor message table of food in record be baked food each baking stage the corresponding characteristic gas composition distributing contrast, the characteristic gas composition comprising according to the actual gas composition in baking box is determined the residing baking of the food stage that is baked, and then determine and to be baked baking temperature setting value corresponding to the residing baking of food stage and curing humidity setting value by the roasting food monitor message table that inquiry is baked food, and send to PID controller by being baked baking temperature setting value corresponding to the residing baking of food stage and curing humidity setting value.
2. automatic baking supervisory system according to claim 1, is characterized in that, described collection control subsystem also comprises monopod video camera;
Described monopod video camera is placed in baking box, carries out data communication be connected with middle control computer, for the control operation of basis control computer, gathers the video image in baking box and sends middle control computer to;
Described middle control computer is also for carrying out control operation to monopod video camera, obtains the video image in the baking box of monopod video camera collection and carries out Graphics Processing.
3. automatic baking supervisory system according to claim 1, it is characterized in that, described collection control subsystem has a plurality of, each gathers control subsystem and is connected with middle control computer data communication respectively, and each gathers control subsystem for a corresponding baking box, thereby realize, the roasting food process in a plurality of baking boxs is monitored.
4. an automatic baking method for supervising, is characterized in that, adopts automatic baking supervisory system as claimed in claim 1 to monitor; The method comprises the steps:
1) in middle control computer, store and set in advance the roasting food monitor message table that is baked food, in described roasting food monitor message table, record be baked food each baking stage the corresponding characteristic gas composition distributing and be baked baking temperature setting value corresponding to each baking stage of food and curing humidity setting value;
2) will be baked food and put into baking box, start roasting food process;
3) the actual gas composition in Electronic Nose Real-time Collection baking box send middle control computer to; Actual temperature and actual humidity in Temperature Humidity Sensor Real-time Collection baking box also sends PID controller to;
4) in, control computer obtains the actual gas composition in the baking box that Electronic Nose gathers, by the actual gas composition in baking box be baked the roasting food monitor message table of food in record be baked food each baking stage the corresponding characteristic gas composition distributing contrast, the characteristic gas composition comprising according to the actual gas composition in baking box is determined the residing baking of the food stage that is baked, and then determine and to be baked baking temperature setting value corresponding to the residing baking of food stage and curing humidity setting value by the roasting food monitor message table that inquiry is baked food, and send to PID controller by being baked baking temperature setting value corresponding to the residing baking of food stage and curing humidity setting value,
5) in the reception of PID controller, control computer sends baking temperature setting value and curing humidity setting value, and obtain actual temperature and the actual humidity in the baking box that Temperature Humidity Sensor gathers, according to the actual temperature in baking box and actual humidity, baking heater and ventilation conditioning equipment are carried out to control operation, allow baking heater, according to the control operation of PID controller, the food in baking box is carried out to Baking out, allow ventilation conditioning equipment regulate the switching of baking box vent passages and the size of ventilation according to the control operation of PID controller, thereby make the temperature and humidity in baking box reach respectively baking temperature setting value and curing humidity setting value,
6) circulation execution step 4) ~ 5), until roasting food process finishes.
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| CN201210221024.0A CN102722201B (en) | 2012-06-29 | 2012-06-29 | Automatic baking monitoring system and method |
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| CN102722201B true CN102722201B (en) | 2014-03-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103110175B (en) * | 2013-01-21 | 2015-01-07 | 贵州省烟草公司遵义市公司 | Tobacco leaf curing method based on electronic nose smell monitoring technology |
| CN104248331A (en) * | 2014-09-16 | 2014-12-31 | 广东美的厨房电器制造有限公司 | Cooking utensil and method and device for controlling cooking utensil |
| CN104914720B (en) * | 2015-04-16 | 2017-11-17 | 贵州省烟草公司遵义市公司 | Electronic nose intelligence baking control system and control method with autolearn feature |
| CN105326408B (en) * | 2015-11-24 | 2017-10-10 | 深圳市北鼎科技有限公司 | The camera system structure and Domestic electric oven of Domestic electric oven |
| CN106123055A (en) * | 2016-06-27 | 2016-11-16 | 广东美的厨房电器制造有限公司 | For heating the control equipment of utensil, method and heating utensil |
| CN106175409B (en) * | 2016-07-29 | 2019-05-31 | 广东美的厨房电器制造有限公司 | Control method and cooking apparatus |
| CN106292366A (en) * | 2016-08-24 | 2017-01-04 | 贵州铜仁和泰茶业有限公司 | A kind of deteriorating machine control system |
| CN106325154B (en) * | 2016-08-24 | 2018-12-11 | 贵州铜仁和泰茶业有限公司 | A kind of tealeaves rolling heating stirring machine control method based on pattern-recognition |
| CN106249651A (en) * | 2016-08-24 | 2016-12-21 | 贵州铜仁和泰茶业有限公司 | A kind of rolling heating stirring machine control system |
| CN107491006A (en) * | 2017-08-24 | 2017-12-19 | 加热有限公司 | Electronic installation and its system |
| CN109447938B (en) * | 2017-08-31 | 2022-01-25 | 宁波方太厨具有限公司 | Detection method and detection device for baking performance of oven |
| PL235030B1 (en) * | 2017-12-13 | 2020-05-18 | Inst Agrofizyki Im Bohdana Dobrzanskiego Polskiej Akademii Nauk | Measuring and control station for monitoring the process of bakery products kneading and baking, preferably bread |
| CN111328840A (en) * | 2018-09-20 | 2020-06-26 | 东莞市正旭新能源设备科技有限公司 | Air heat source pump dynamic baking system |
| CN113780112A (en) * | 2021-08-25 | 2021-12-10 | 横店集团东磁有限公司 | Feedback system and method for monitoring baking state of oven food in real time |
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| US6035763A (en) * | 1998-04-16 | 2000-03-14 | Yung; Simon K. C. | Breadmaker with improved temperature and humidity control |
| JP2001254959A (en) * | 2000-03-14 | 2001-09-21 | Matsushita Electric Ind Co Ltd | Heating cooker |
| CN201418340Y (en) * | 2009-06-05 | 2010-03-10 | 倪军 | Hot air circulation heating random continuous production type steam and roast heating container |
| DE102010016651B4 (en) * | 2010-04-27 | 2023-03-23 | Rational Ag | Method for determining the degree of browning of an item to be cooked and/or the degree of soiling of a cooking chamber |
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