CN114494727A - Cement brick steam curing automatic control system - Google Patents
Cement brick steam curing automatic control system Download PDFInfo
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Abstract
The invention discloses a cement brick steam curing automatic control system which is characterized by comprising a curing kiln and a curing device arranged on the curing kiln, wherein a plurality of curing furnaces are arranged in the curing kiln, the curing furnaces are isolated by an isolating piece, a furnace entering inspection position is arranged outside the curing kiln, the curing device also comprises a curing processor, the curing processor comprises a furnace entering judgment system, a curing system and a detection system, the furnace entering judgment system is used for detecting cement bricks needing curing and extracting characteristic data, the curing system is used for judging the characteristic data and generating curing information, the curing device cures the curing furnace according to the curing information, the detection system is used for detecting whether the cement bricks are damaged during curing, the curing mode is corrected according to the damage degree, the curing of different cement bricks is improved, and the effect of reducing the damage rate of the cement bricks is reduced.
Description
Technical Field
The invention relates to the technical field of building material preparation, in particular to an automatic control system for steam curing of cement bricks.
Background
Along with the rapid development of economy, the construction industry is also rapidly developed, the using amount of cement bricks in the construction industry is increased, the cement bricks relate to a plurality of working procedures in the manufacturing process, the cement bricks need to be maintained after being manufactured, and can be put into use after being maintained, and the maintenance of the cement bricks is to keep the hardness of the cement bricks and have the function of preventing chapping and breaking.
At present along with the development with mechanized replacement manpower, the production mode of cement brick has also been changed, from the artifical cement stake that utilizes fork truck to pile up neatly good of needs in the past and transport to the open air and carry out natural curing, but this kind of mode is because there is uncontrollable nature, make the spoilage of cement brick increase, the chap often appears in the cement brick, the curing equipment who uses cement brick maintenance stove to carry out the maintenance has been developed to this, maintain the cement brick under curing equipment's effect, thereby reduce the spoilage of cement brick, make the finished product integrity of cement brick high. Nevertheless current maintenance stove still exists control mode singlely, the maintenance environment in the maintenance stove is single, but the cement brick has very multiple kind, when curing different kind cement bricks, need carry out artifical screening cement brick through the workman, and divide, the same kind cement brick is together cured, and need adjust the maintenance environment to different kind cement brick, cause to carry out the maintenance inefficiency of curing to the cement brick, especially when curing some special cement bricks, need strict distinguish special cement brick and other cement bricks, otherwise can cause the damage of special cement brick during the maintenance of special cement brick, to this can carry out the maintenance system of accurate maintenance to different kind cement brick and wait to solve urgently.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an automatic control system for steam curing of cement bricks, which has the effects of distinguishing the cement bricks, correspondingly curing different cement bricks and reducing the damage rate of the cement bricks.
In order to realize the purpose, the invention provides the following technical scheme:
an automatic control system for steam curing of cement bricks comprises a curing kiln and a curing device arranged on the curing kiln;
a plurality of maintenance furnaces are arranged in the maintenance kiln, and are isolated by an isolating piece;
a brick feeding slide rail is arranged outside the curing kiln, a brick feeding trolley is arranged on the brick feeding track, a bearing frame is arranged on the brick feeding trolley and used for bearing cement bricks, the brick feeding slide rail is in butt joint with a furnace rail extending into the curing kiln, and a furnace entering inspection position is arranged outside the curing kiln;
the maintenance processor comprises a furnace entering judgment system, a maintenance system and a detection system;
the in-furnace judging system comprises a brick loading judging module and an identification module, wherein the brick loading judging module is configured on the brick conveying trolley, when the brick conveying trolley moves to an in-furnace inspection position, the brick loading judging module generates an identification instruction, the identification module comprises a camera unit and a feature acquisition unit, when the identification module receives the identification instruction, the camera unit shoots cement bricks placed on a bearing frame and generates brick bottom images, the feature acquisition unit calls the brick bottom images, an extraction strategy is configured in the feature acquisition unit, and the extraction strategy comprises the step of extracting feature data representing the characteristics of the cement bricks according to the brick bottom images;
the maintenance system comprises a comparison module and a maintenance module, wherein a characteristic data table and a maintenance table are configured in the comparison module, the characteristic data table records characteristic categories and reference characteristics corresponding to the characteristic categories, the characteristic categories represent different types of cement bricks, the reference characteristics represent distinguishing characteristics of different characteristic categories, the maintenance table records characteristic categories and maintenance types corresponding to the characteristic categories, and the maintenance type representations perform maintenance classification on the cement bricks of different characteristic categories;
the comparison module is used for calling characteristic data, the comparison strategy comprises the step of comparing the characteristic data with a characteristic data table and a maintenance table according to the characteristic data to determine the characteristic category and the maintenance type of the corresponding characteristic data, the comparison module sends the characteristic category and the maintenance type to the maintenance module, the maintenance module is internally provided with a maintenance data table and a maintenance strategy, the maintenance data table records the maintenance type and maintenance information of the corresponding maintenance type, the maintenance strategy comprises the step of determining the corresponding maintenance information according to the maintenance type and sending the maintenance information to a maintenance device, and the maintenance device maintains the cement bricks in the maintenance furnace according to the maintenance information;
the detection system comprises a detection module and a correction module, wherein a detection strategy, a reference comparison table and a time-sharing strategy are configured in the detection module, the time-sharing strategy comprises a plurality of detection points which are divided according to maintenance information, the parameter comparison table records detection parameters corresponding to characteristic categories and detection indexes arranged at different detection points, the detection strategy comprises the steps of detecting the detection parameters corresponding to the characteristic categories at the detection points and generating detection values, the detection strategy also comprises the steps of comparing the detection values with the detection indexes, if the detection values are smaller than or equal to the detection indexes, the detection module generates a standard reaching instruction and continues maintenance according to the maintenance information table, if the detection values are larger than the combined detection indexes, the detection module generates a correction instruction and sends the correction instruction to the correction module, and the detection values represent the quantity values of unqualified cement bricks;
the correction module comprises an analysis unit and a correction unit, an analysis strategy is configured in the analysis unit and comprises a difference algorithm, the analysis strategy calculates the difference proportion between the detection value and the detection index according to the difference algorithm and divides the difference grade according to the difference proportion, a correction strategy is configured in the correction unit and comprises correction information generated according to the difference grade and respectively sent to the maintenance device and the comparison module, the maintenance device carries out maintenance according to the correction information, and the comparison module replaces the maintenance information of the corresponding characteristic type in the maintenance table with the correction information.
As a further improvement of the present invention, the feature data includes contour information, color information, and surface features, and the extraction strategy specifically includes:
dividing an image area and a brick body area of a brick bottom image, extracting the image of the brick body area, constructing a brick body contour by the brick body area, and generating contour information according to the brick body contour;
extracting the color of the brick body in the brick body outline and generating color information;
the method comprises the steps of carrying out discrete sampling on a brick body area to obtain a plurality of discrete images, respectively amplifying the discrete images, extracting and amplifying surface features in the discrete images, wherein the surface features comprise surface grains, surface roughness, water-releasing pits and surface particles, the surface grains represent the bonding degree of the cement brick, the surface roughness represents the surface smoothness degree of the cement brick, the water-releasing pits represent the water storage degree of the cement brick, and the surface particles represent the attachment degree of the cement brick to foreign objects, so that the surface features in the discrete images are clear and serve as images for determining the surface features.
As a further improvement of the present invention, a comparison threshold is further set in the comparison module, and the comparison strategy specifically includes:
setting a comparison sequence of surface features, wherein the comparison sequence comprises surface grains, water-release pits, surface roughness and surface particles;
traversing the feature data table according to the feature data and comparing and screening the feature data with the reference features;
determining a screening range of the feature categories according to corresponding reference features in the profile information and color information index feature data table in the feature data;
gradually comparing according to the comparison sequence of the surface features, and if the matching degree of the surface features in the feature data and the reference features is greater than a comparison threshold value, determining the feature class corresponding to the reference features as the feature class matched with the feature data;
and extracting the curing type in the corresponding curing table according to the determined characteristic category after comparison.
As a further improvement of the present invention, the maintenance types include dry maintenance, moisture-retaining maintenance, and pressurized maintenance, the maintenance information includes a maintenance period, and the maintenance period includes a first maintenance period, a second maintenance period, and a third maintenance period:
the maintenance information further includes:
when the dry curing, the moisture-preserving curing and the pressurizing curing are carried out in a first curing time period, hot air and humid air are provided in the curing furnace for curing;
if the curing type is dry curing, only hot air is provided for curing in the second curing time period, hot air is stopped being provided in the third curing time period, and curing is performed by using the waste heat in the second curing time period;
if the maintenance type is moisturizing maintenance, only providing humid air for maintenance in the second maintenance time period, stopping providing humid air in the third maintenance time period, and performing maintenance by using the humid air in the second maintenance time period;
if the maintenance type is when the pressure boost maintenance, during the second maintenance period, provide the hot air and keep the interior constant voltage of maintenance stove to carry out the maintenance, keep the constant voltage during the third maintenance period and stop providing the hot air, the waste heat when utilizing the second maintenance period is maintained.
As a further improvement of the present invention, the time sharing strategy specifically comprises:
evenly dividing the first curing time period, and taking the equally divided separation points as detection points;
dividing logic for the second maintenance time period into a first maintenance time period and a second maintenance time period, wherein the first maintenance time period can be equally divided into the second maintenance time period, and the second maintenance time period can be equally divided into the second maintenance time period;
and evenly dividing the third curing period and taking the equally divided separation points as detection points.
As a further improvement of the present invention, the detection parameters include a chap parameter and a stress parameter, the bearing frame is provided with a detection unit, the detection unit is used for detecting the detection parameters of the cement bricks, and the detection strategy specifically includes:
shooting cement bricks in the bearing frame through a detection unit, forming an area image, judging whether the cement bricks are cracked or not according to the area image, and counting the number of the cracked cement bricks to generate a cracked value;
applying external force to the cement bricks according to the detection unit, obtaining a stress curve of the cement bricks according to the applied external force, comparing the stress curve with a standard curve, wherein the marking curve also comprises a fluctuation range, and counting the cement bricks of which the stress detection curves exceed the fluctuation range to generate stress values;
if the same cement brick contains the chap value and the stress value, the statistical value of the cement brick is within the chap value;
and overlapping the chapping value and the stress value to form a detection value.
As a further improvement of the present invention, the analysis strategy includes a difference algorithm, and the difference algorithm specifically includes:
wherein: beta represents the difference proportion, T1 represents the chap value in the detection value, T2 represents the stress value in the detection value, H represents the detection index, and A represents the weight value.
As a further improvement of the present invention, the difference levels include a high loss level, a medium loss level and a low loss level, and the analysis strategy further includes setting a difference threshold, where the difference threshold includes a high loss threshold and a separation threshold:
and if the difference proportion is greater than the high loss threshold, determining the high loss grade, determining the medium loss grade if the difference proportion is between the high loss threshold and the separation threshold, determining the low loss grade if the difference proportion is less than the separation threshold, and performing correction when the difference grade is the medium loss grade or the high loss grade and not performing correction when the difference grade is the low loss grade.
As a further improvement of the present invention, the modification strategy specifically comprises:
when the difference grade is a high-loss grade, respectively reducing the temperature of hot air in the curing furnace and increasing the air humidity in the curing furnace corresponding to the curing type;
when the difference grade is a medium loss grade;
if the chap value is larger than the stress value, increasing the air humidity in the curing oven;
if the chap value is less than the stress value, the temperature of the hot air in the curing oven is reduced.
As a further improvement of the invention, the brick conveying trolley is provided with a vehicle control processor which comprises a brick conveying module, the maintenance processor also comprises a distribution system, the distribution system comprises an empty furnace detection module and a distribution module, the empty furnace detection module comprises a detection unit and a furnace distribution unit, the detection unit is arranged at the furnace mouth of the maintenance furnace, the detection unit is touched when the brick conveying trolley conveys bricks into the curing furnace, the furnace occupying signal is generated when the detection unit is triggered, a furnace distribution strategy is configured in the furnace distribution unit, the furnace distribution strategy comprises the steps of appointing one maintenance furnace which is not occupied and marking a furnace distribution mark according to the maintenance furnace which is called to generate the furnace occupation-free signal, the distribution module generates a brick conveying route according to the furnace matching mark and sends the brick conveying route to a brick conveying module on the brick conveying trolley, and the brick conveying module controls the brick conveying trolley to convey bricks according to the brick conveying route;
the brick conveying trolley comprises a trolley body and a lifting platform arranged on the trolley body, the bearing frame is arranged on the lifting platform, and a support frame for bearing the bearing frame is arranged on the inner wall of the curing furnace;
the control car processor further comprises a lower brick module, the lower brick module comprises a lower brick detection unit and a lifting unit, the lower brick detection unit is arranged on the support frame, the support frame supports the lower brick detection unit under touch control when bearing the frame, the lower brick detection unit generates a lower brick instruction and sends the lower brick instruction to the lifting unit, the lifting unit is arranged on the vehicle body and is used for controlling a lifting platform, the lifting unit receives the lower brick instruction and controls the lifting platform to descend so as to separate the brick conveying trolley from the bearing frame, the lower brick detection unit further generates a return instruction and sends the return instruction to the control car processor, and the control car processor controls the brick conveying trolley to return to the furnace entering inspection position.
The invention has the beneficial effects that: the furnace inspection position is arranged outside the curing kiln, when the brick conveying trolley drives into the furnace inspection position, the brick loading judgment module generates an identification instruction, the identification module extracts the characteristics of the cement bricks on the bearing frame after receiving the identification instruction and generates characteristic data, the characteristic data is compared with the characteristic data table under the action of the comparison module to determine corresponding characteristic types, so that the identification and classification of different types of cement bricks are realized, corresponding curing information is determined according to the characteristic types under the action of the curing module, so that the curing device is controlled to perform different curing on different cement bricks, during curing, the curing condition in the curing furnace is detected through the detection module, whether the damage quantity of the cement bricks in the curing furnace exceeds the specification of the detection index is judged through comparing the detected detection value with the detection index, and when the detection index is exceeded, the correction module is used for correcting, the effects of reasonable maintenance and reduction of the breakage rate of the cement bricks are achieved.
Drawings
FIG. 1 is a flow chart of a system embodying the present invention;
FIG. 2 is a schematic view showing the construction of a curing kiln;
FIG. 3 is a schematic view showing the construction of the maintenance furnace;
fig. 4 is a schematic structural diagram of a brick conveying trolley.
Reference numerals: 1. curing the kiln; 11. maintaining the furnace; 12. a spacer; 13. a curing device; 2. a brick conveying track; 21. a furnace rail; 22. entering a furnace inspection position; 3. a brick conveying trolley; 4. a furnace entry judgment system; 41. a brick loading judging module; 42. an identification module; 421. an image pickup unit; 422. a feature acquisition unit; 5. maintaining the system; 51. a comparison module; 511. a characteristic data table; 512. maintaining the watch; 52. a maintenance module; 521. maintaining a data table; 6. a detection system; 61. a correction module; 62. a detection module; 621. reference is made to a comparison table.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1 to 4, a concrete embodiment of a steam curing automatic control system for cement bricks according to the present invention includes a curing kiln 1 and a curing device 13 disposed on the curing kiln 1, wherein the curing device 13 is a curing structure used in the prior art and is not described herein again; the curing kiln 1 is internally provided with a plurality of curing furnaces 11, and the plurality of curing furnaces 11 are isolated by an isolating piece 12; the curing kiln 1 is externally provided with brick feeding slide rails, the brick feeding trolley 3 is arranged on the brick feeding track 2, the brick feeding trolley 3 is provided with a bearing frame, the bearing frame is used for bearing cement bricks, the brick feeding slide rails are butted with furnace rails 21 extending into the curing kiln 11, and the outside of the curing kiln 1 is provided with a furnace entering inspection position 22.
The outer wall of the curing kiln 1 is provided with a central control display screen, a plan view of the curing furnace 11 is displayed in the central control display screen, a brick conveying and brick conveying trolley 3 is provided with a vehicle control processor, the vehicle control processor comprises a brick conveying module, the curing processor also comprises a distribution system, the distribution system comprises an empty furnace detection module 62 and a distribution module, the empty furnace detection module 62 comprises a detection unit and a furnace distribution unit, the detection unit is arranged at the furnace mouth of the curing furnace 11, the detection unit is touched when the brick conveying trolley 3 conveys bricks into the curing furnace 11, the detection unit generates a furnace occupying signal when being triggered, when the curing furnace 11 is not occupied, the position of the curing furnace 11 is displayed as green and bright display on the plan view, when the furnace occupying signal is generated, the curing furnace 11 where the triggered detection unit is located changes the display color into red, so that the use condition of the curing furnace 11 in the curing kiln 1 can be accurately judged through the central control display screen.
A furnace allocation strategy is configured in the furnace allocation unit, the furnace allocation strategy comprises the steps of appointing one of the maintenance furnaces 11 which are not occupied according to the calling of the maintenance furnaces 11 which do not generate furnace occupation signals, marking a furnace allocation mark, generating a brick conveying route by a distribution module according to the furnace allocation mark, sending the brick conveying route to a brick conveying module on a brick conveying trolley 3, controlling the brick conveying trolley 3 to convey bricks according to the brick conveying route, and giving priority to the maintenance furnace 11 which is closest to the furnace entering inspection position 22 and is not occupied when the maintenance furnace 11 is appointed;
the brick feeding trolley 3 comprises a trolley body and a lifting platform arranged on the trolley body, the bearing frame is arranged on the lifting platform, the inner wall of the curing furnace 11 is provided with a supporting frame for supporting the bearing frame, and when the brick feeding trolley 3 feeds bricks into the curing furnace 11, the bearing frame slides along the upper surface of the supporting frame, so that the brick feeding trolley 3 conveniently drives into the curing furnace 11 along the furnace rail 21 to feed bricks and is not easy to touch the supporting frame; the control car processor also comprises a lower brick module, the lower brick module comprises a lower brick detection unit and a lifting unit, the lower brick detection unit is arranged on the support frame, when the support frame supports the bearing frame, the lower brick detection unit is used for generating a lower brick command and sending the lower brick command to the lifting unit, the lifting unit is arranged on the car body and is used for controlling the lifting platform, when the lifting unit receives the lower brick command, the lifting platform is controlled to descend so as to separate the brick conveying trolley 3 from the bearing frame, thereby completing brick conveying and facilitating the brick conveying trolley 3 to exit the maintenance furnace 11, the lower brick detection unit also generates a return command and sends the return command to the control car processor, the control car processor controls the brick conveying trolley 3 to return to the in-furnace inspection position 22, at least two in-furnace inspection positions 22 are arranged, so that the brick conveying trolleys 3 can be arranged into at least two, the brick conveying efficiency is improved, and the control car processor is also provided with a route counting module, and a statistical strategy is configured in the route statistical module, and the statistical strategy comprises the steps of planning a brick conveying route in real time according to analysis, avoiding the brick conveying route from planning a return route for the brick conveying trolley 3 to return to the furnace entering inspection position 22, and avoiding the collision between the brick conveying trolley 3 for conveying bricks and the brick conveying trolley 3 returning to the furnace entering inspection position 22.
The maintenance processor comprises a furnace entering judgment system 4, a maintenance system 5 and a detection system 6;
go into stove judgement system 4 and include brick judgement module 41 and identification module 42, go up brick judgement module 41 and dispose on sending brick dolly 3, send brick dolly 3 to move when going into stove inspection position 22, go up brick judgement module 41 and generate identification instruction, identification module 42 includes camera unit 421 and characteristic acquisition unit 422, when identification module 42 received identification instruction, camera unit 421 shoots and generates brick end image to placing the cement brick on bearing the frame, characteristic acquisition unit 422 calls the brick end image, dispose in the characteristic acquisition unit 422 and draw the strategy, draw the strategy including according to the brick end image draws the characteristic data of characterization cement brick characteristic, characteristic data includes profile information, color information and surface feature, it specifically does to draw the strategy:
dividing an image area and a brick body area of the brick bottom image, extracting the image of the brick body area, constructing a brick body contour by the brick body area, and generating contour information according to the brick body contour;
extracting the color of the brick body in the brick body outline and generating color information;
the method comprises the steps of carrying out discrete sampling on a brick body area to obtain a plurality of discrete images, respectively amplifying the discrete images, extracting and amplifying surface features in the discrete images, wherein the surface features comprise surface grains, surface roughness, water-releasing pits and surface particles, the surface grains represent the bonding degree of the cement brick, the surface roughness represents the surface smoothness degree of the cement brick, the water-releasing pits represent the water storage degree of the cement brick, and the surface particles represent the attachment degree of the cement brick to foreign objects, so that the surface features in the discrete images are clear and serve as images for determining the surface features.
The shape outline and the color are the most obvious difference references when the cement bricks are classified, so that the outline information and the color information can be quickly indexed for determining the types of the cement bricks, the type range of the cement bricks can be determined, and the actual classification of the cement bricks can be accurately realized for extracting the surface characteristics.
The maintenance system 5 comprises a comparison module 51 and a maintenance module 52, wherein a characteristic data table 511 and a maintenance table 512 are configured in the comparison module 51, the characteristic data table 511 records characteristic categories and reference characteristics corresponding to the characteristic categories, the characteristic categories represent different types of cement bricks, the reference characteristics represent different characteristic features of different characteristic categories, the maintenance table 512 records characteristic categories and maintenance types corresponding to the characteristic categories, the maintenance type representations carry out maintenance classification on the cement bricks of different characteristic categories, and the maintenance types comprise dry maintenance, moisture-preserving maintenance and pressurized maintenance.
The comparison module 51 is also internally provided with a comparison strategy, the comparison module 51 is used for calling the characteristic data, the comparison strategy comprises the steps of comparing the characteristic data with the characteristic data table 511 and the maintenance table 512 to determine the characteristic type and the maintenance type corresponding to the characteristic data, the comparison module 51 is used for sending the characteristic type and the maintenance type to the maintenance module 52, the maintenance module 52 is internally provided with a maintenance data table 521 and a maintenance strategy, the maintenance data table 521 is used for recording the maintenance type and the maintenance information corresponding to the maintenance type, the maintenance strategy comprises the steps of determining the corresponding maintenance information according to the maintenance type and sending the maintenance information to the maintenance device 13, and the maintenance device 13 is used for maintaining cement bricks in the maintenance furnace 11 according to the maintenance information.
A comparison threshold is also set in the comparison module 51, and the comparison strategy specifically includes:
setting a comparison sequence of surface features, wherein the comparison sequence comprises surface grains, water-release pits, surface roughness and surface particles;
traversing the feature data table 511 according to the feature data and comparing and screening the feature data with the reference features;
determining the screening range of the feature categories according to the corresponding reference features in the profile information and color information index feature data table 511 in the feature data;
gradually comparing according to the comparison sequence of the surface features, and if the matching degree of the surface features in the feature data and the reference features is greater than a comparison threshold value, determining the feature class corresponding to the reference features as the feature class matched with the feature data;
and extracting the maintenance type in the corresponding maintenance table 512 according to the determined characteristic category after comparison.
The extracted characteristic data are compared with the characteristic data table 511 to determine the corresponding characteristic category, and the characteristic category is better to determine the corresponding maintenance type, so that the purposes of quickly determining the type of the cement brick and matching the maintenance type of the corresponding cement brick are achieved.
The maintenance information comprises a maintenance time interval, and the maintenance time interval comprises a first maintenance time interval, a second maintenance time interval and a third maintenance time interval:
the maintenance information further includes:
during dry maintenance, moisture-preserving maintenance and pressurized maintenance in a first maintenance time period, hot air and humid air are provided in the maintenance furnace 11 for maintenance;
if the curing type is dry curing, only hot air is provided for curing in the second curing time period, hot air is stopped being provided in the third curing time period, and curing is performed by using the waste heat in the second curing time period;
if the maintenance type is moisturizing maintenance, only providing humid air for maintenance in the second maintenance time period, stopping providing humid air in the third maintenance time period, and performing maintenance by using the humid air in the second maintenance time period;
if the maintenance type is when pressure boost maintenance, during the second maintenance period, provide hot air and keep maintaining 11 interior constant voltages of stove and carry out the maintenance, keep the constant voltage during the third maintenance period and stop providing hot air, the waste heat when utilizing the second maintenance period carries out the maintenance.
The hot-air is for providing the maintenance temperature in the maintenance stove 11 to according to the characteristic classification of difference, the temperature of hot-air is different, make can be to different characteristic classifications, provide the best maintenance temperature who is adapted to the characteristic classification, the humid air is for providing the maintenance humidity in the maintenance stove 11, the humidity that the humid air when maintaining according to different characteristic classifications provides is different, provide the best maintenance humidity that is adapted to the characteristic classification, when the combination is to different maintenance types maintenance, carry out accurate maintenance through the maintenance temperature and the humidity of control maintenance period.
The detection system 6 comprises a detection module 62 and a correction module 61, the detection module 62 is internally provided with a detection strategy, a reference comparison table 621 and a time sharing strategy, the time sharing strategy comprises a plurality of detection points which are divided according to maintenance information in the maintenance information, the parameter comparison table records detection parameters corresponding to characteristic categories and detection indexes set at different detection points, the detection parameters comprise chapping parameters and stress parameters, the chapping parameters and the stress parameters are set to be damage parameters which are most likely to appear during cement brick maintenance and are also the most important parameters during maintenance, the detection strategy comprises the steps of detecting the detection parameters corresponding to the characteristic categories at the detection points and generating detection values, the detection data values represent the number values of the damaged cement bricks, the detection indexes represent the maximum damage values of the cement bricks, the detection module 62 also comprises the steps of comparing the detection values with the detection indexes, and if the detection values are smaller than or equal to the detection indexes, the detection module 62 generates standard reaching instructions and continues to follow the maintenance information table And maintaining, if the detection value is larger than the detection target, the detection module 62 generates a correction instruction and sends the correction instruction to the correction module 61.
The time-sharing strategy specifically comprises the following steps:
evenly dividing the first curing period, taking the divided points as detection points, and taking two detection points in the first curing period as a middle time point and an end time point of the first curing period;
dividing logic for the second maintenance period into that when the first maintenance period can be equally divided into the second maintenance period, equally divided separation points are taken as detection points, the detection points in the second maintenance period are taken as detection points, the terminal time points of the first maintenance period are equally divided into the first maintenance period, when the first maintenance period cannot be equally divided into the second maintenance period, equally divided separation points are taken as detection points, the terminal time of the first maintenance period is equally divided into the first maintenance period, and finally the allowance after the second maintenance period is greater than the first maintenance period is not provided with the detection points;
and evenly dividing the third curing period, taking the equally divided division points as detection points, and taking the middle time point and the end time point of the third curing period as detection points for the two detection points in the third curing period.
The multiple detection points are arranged in the maintenance period, and the time for correcting the maintenance period in each stage is detected and judged for multiple times, so that the damage rate of the cement bricks during maintenance is reduced.
The detection parameters include chap parameters and stress parameters, the bearing frame is provided with a detection unit, the detection unit is a telescopic rod piece, the detection unit is provided with a camera for shooting the cement brick, the detection unit is used for detecting the detection parameters of the cement brick, and the detection strategy specifically comprises the following steps:
shooting the cement bricks in the bearing frame through the detection unit, forming an area image, judging whether the cement bricks are cracked or not according to the area image, and counting the number of the cracked cement bricks to generate a cracked value;
applying external force to the cement bricks according to the detection unit, obtaining a stress curve of the cement bricks according to the applied external force, comparing the stress curve with a standard curve, wherein the marking curve also comprises a fluctuation range, and counting the cement bricks of which the stress detection curves exceed the fluctuation range to generate stress values;
if the same cement brick contains chap value and stress value, the statistical value of the cement brick is within the chap value;
and overlapping the chapping value and the stress value to form a detection value.
The correction module 61 comprises an analysis unit and a correction unit, an analysis strategy is configured in the analysis unit, the analysis strategy comprises a difference algorithm, the analysis strategy calculates a difference ratio between a detection value and a detection index according to the difference algorithm, the difference grade is divided according to the difference ratio, a correction strategy is configured in the correction unit, the correction strategy comprises generating correction information according to the difference grade, the correction information is respectively sent to the maintenance device 13 and the comparison module 51, the maintenance device 13 carries out maintenance according to the correction information, and the comparison module 51 replaces maintenance information of a corresponding characteristic type in the maintenance table 512 with the correction information.
The difference algorithm specifically comprises:
wherein: beta represents the difference proportion, T1 represents the chap value in the detection value, T2 represents the stress value in the detection value, H represents the detection index, A represents the weight value, the damage amount exceeding the detection index is obtained by subtracting the detection value and the detection index, the weight is set to be 1.5, and the difference proportion is obtained.
The difference levels comprise a high loss level, a medium loss level and a low loss level, the analysis strategy further comprises setting a difference threshold, and the difference threshold comprises a high loss threshold and a separation threshold:
and if the difference ratio is greater than the high loss threshold, determining the cement bricks as a high loss grade, determining the cement bricks as a medium loss grade if the difference ratio is between the high loss threshold and the separation threshold, and determining the cement bricks as a low loss grade if the difference ratio is less than the separation threshold.
The correction strategy specifically comprises the following steps:
when the difference grade is a high-loss grade, the temperature of hot air in the maintenance furnace 11 is respectively reduced and the air humidity in the maintenance furnace 11 is increased corresponding to the maintenance type;
when the difference grade is a medium loss grade;
if the chap value is larger than the stress value, increasing the air humidity in the curing oven 11;
if the chap value is less than the stress value, the temperature of the hot air in the curing oven 11 is lowered.
Under the high damage level, the maintenance environment in the maintenance furnace 11 obviously does not meet the maintenance requirement, and is defined as the condition of overhigh temperature and overlow humidity, the temperature in the maintenance furnace 11 is reduced and the humidity in the maintenance furnace 11 is increased, under the medium damage level, if the rhagade value is greater than the stress value, the humidity in the maintenance furnace 11 is overlow, the rhagade appears when the cement brick is dried under the high temperature condition, and the humidity in the maintenance furnace 11 needs to be increased; if the stress value is greater than the chap value, it indicates that the temperature in the curing oven 11 is too high, which causes the cement brick to be brittle, and for this reason, the temperature in the curing oven 11 needs to be reduced, so as to adjust the environment in the curing oven 11 to a reasonable curing environment, and generate correction information, thereby achieving the purpose of reducing the damage rate of the cement brick during curing, and correcting the curing information through the correction information, so that the damage rate of the cement brick during curing can be further reduced during subsequent curing.
The working principle and the effect are as follows:
by arranging the furnace check position 22 outside the curing kiln 1, when the brick conveying trolley 3 drives into the furnace check position 22, the brick loading judging module 41 generates an identification instruction, the identification module 42 extracts the characteristics of the cement bricks on the bearing frame after receiving the identification instruction and generates characteristic data, the characteristic data is compared with the characteristic data table 511 under the action of the comparison module 51 to determine the corresponding characteristic types, so as to realize the identification and classification of different types of cement bricks, the corresponding curing information is determined according to the characteristic types under the action of the curing module 52, so as to control the curing device 13 to perform differentiated curing on different cement bricks, when the curing is performed, the curing condition in the curing furnace 11 is detected through the detection module 62, the detected detection value is compared with the detection index, so as to judge whether the damage amount of the cement bricks in the curing furnace 11 exceeds the specification of the detection index, when the detection index is exceeded, correction is performed through the correction module 61, and the effects of performing reasonable maintenance and reducing the breakage rate of the cement bricks are achieved.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. The utility model provides a cement brick steam curing automatic control system, includes curing kiln (1) and sets up curing means (13) on curing kiln (1), its characterized in that:
a plurality of curing furnaces (11) are arranged in the curing kiln (1), and the curing furnaces (11) are isolated by an isolating piece (12);
a brick feeding slide rail is arranged outside the curing kiln (1), a brick feeding trolley (3) is arranged on the brick feeding track (2), a bearing frame is arranged on the brick feeding trolley (3) and used for bearing cement bricks, the brick feeding slide rail is butted with a furnace rail (21) extending into the curing furnace (11), and a furnace entering inspection position (22) is arranged outside the curing kiln (1);
the maintenance system is characterized by further comprising a maintenance processor, wherein the maintenance processor comprises a furnace entering judgment system (4), a maintenance system (5) and a detection system (6);
the furnace entering judgment system (4) comprises a brick feeding judgment module (41) and an identification module (42), wherein the brick feeding judgment module (41) is configured on the brick conveying trolley (3), when the brick conveying trolley (3) moves to a furnace entering inspection position (22), the brick feeding judgment module (41) generates an identification instruction, the identification module (42) comprises a camera unit (421) and a characteristic acquisition unit (422), when the identification module (42) receives the identification instruction, the camera unit (421) shoots cement bricks placed on a bearing frame and generates brick bottom images, the characteristic acquisition unit (422) acquires the brick bottom images, an extraction strategy is configured in the characteristic acquisition unit (422), and the extraction strategy comprises the step of extracting characteristic data representing the characteristics of the cement bricks according to the brick bottom images;
the maintenance system (5) comprises a comparison module (51) and a maintenance module (52), a characteristic data table (511) and a maintenance table (512) are configured in the comparison module (51), the characteristic data table (511) records characteristic categories and reference characteristics corresponding to the characteristic categories, the characteristic categories represent different types of cement bricks, the reference characteristics represent different characteristics of different characteristic categories, the maintenance table (512) records characteristic categories and maintenance types corresponding to the characteristic categories, and the maintenance type representations perform maintenance classification on the cement bricks of different characteristic categories;
the maintenance system is characterized in that a comparison strategy is also configured in the comparison module (51), the comparison module (51) calls characteristic data, the comparison strategy comprises the steps of comparing the characteristic data with a characteristic data table (511) and a maintenance table (512) to determine the characteristic category and the maintenance type of the corresponding characteristic data, the comparison module (51) sends the characteristic category and the maintenance type to the maintenance module (52), a maintenance data table (521) and a maintenance strategy are configured in the maintenance module (52), the maintenance data table (521) records the maintenance type and the maintenance information of the corresponding maintenance type, the maintenance strategy comprises the steps of determining the corresponding maintenance information according to the maintenance type and sending the maintenance information to the maintenance device (13), and the maintenance device (13) maintains cement bricks in the maintenance furnace (11) according to the maintenance information;
the detection system (6) comprises a detection module (62) and a correction module (61), a detection strategy, a reference comparison table (621) and a time-sharing strategy are configured in the detection module (62), the time-sharing strategy comprises dividing a plurality of detection points according to maintenance information, the parameter comparison table records detection parameters corresponding to feature categories and detection indexes set at different detection points, the detection strategy comprises detecting the detection parameters corresponding to the feature categories at the detection points and generating detection values, the detection strategy also comprises comparing the detection values with the detection indexes, if the detection values are less than or equal to the detection indexes, the detection module (62) generates an up-to-standard instruction and continues maintenance according to the maintenance information table, if the detection values are greater than the combined detection indexes, the detection module (62) generates a correction instruction and sends the correction instruction to the correction module (61), the detection value represents the quantity value of the unqualified cement bricks;
the correction module (61) comprises an analysis unit and a correction unit, an analysis strategy is configured in the analysis unit, the analysis strategy comprises a difference algorithm, the analysis strategy calculates a difference ratio between a detection value and a detection index according to the difference algorithm, the difference grade is divided according to the difference ratio, a correction strategy is configured in the correction unit, the correction strategy comprises generating correction information according to the difference grade and respectively sending the correction information to the maintenance device (13) and the comparison module (51), the maintenance device (13) carries out maintenance according to the correction information, and the comparison module (51) replaces maintenance information of corresponding characteristic types in the maintenance data table (521) with the correction information.
2. The automatic steam curing control system for cement bricks according to claim 1, characterized in that: the feature data comprises contour information, color information and surface features, and the extraction strategy specifically comprises the following steps:
dividing an image area and a brick body area of a brick bottom image, extracting the image of the brick body area, constructing a brick body contour by the brick body area, and generating contour information according to the brick body contour;
extracting the color of the brick body in the brick body outline and generating color information;
the method comprises the steps of carrying out discrete sampling on a brick body area to obtain a plurality of discrete images, respectively amplifying the discrete images, extracting and amplifying surface features in the discrete images, wherein the surface features comprise surface grains, surface roughness, water-releasing pits and surface particles, the surface grains represent the bonding degree of the cement brick, the surface roughness represents the surface smoothness degree of the cement brick, the water-releasing pits represent the water storage degree of the cement brick, and the surface particles represent the attachment degree of the cement brick to foreign objects, so that the surface features in the discrete images are clear and serve as images for determining the surface features.
3. The automatic steam curing control system for cement bricks according to claim 2, characterized in that: a comparison threshold is further arranged in the comparison module (51), and the comparison strategy specifically comprises the following steps:
setting a comparison sequence of surface features, wherein the comparison sequence comprises surface grains, water-release pits, surface roughness and surface particles;
traversing a feature data table (511) according to the feature data and comparing and screening the feature data with the reference features;
determining a screening range of the feature categories according to corresponding reference features in a feature data index feature data table (511) of the contour information and the color information in the feature data;
gradually comparing according to the comparison sequence of the surface features, and if the matching degree of the surface features in the feature data and the reference features is greater than a comparison threshold value, determining the feature class corresponding to the reference features as the feature class matched with the feature data;
and extracting the curing type in the corresponding curing table (512) according to the determined feature category after comparison.
4. The automatic steam curing control system for cement bricks according to claim 3, characterized in that: the maintenance type comprises dry maintenance, moisture-preserving maintenance and pressurized maintenance, the maintenance information comprises a maintenance time interval, and the maintenance time interval comprises a first maintenance time interval, a second maintenance time interval and a third maintenance time interval:
the maintenance information further includes:
when the dry curing, the moisture-preserving curing and the pressurizing curing are carried out in the first curing time period, hot air and humid air are provided in the curing furnace (11) for curing;
if the curing type is dry curing, only hot air is provided for curing in the second curing time period, hot air is stopped being provided in the third curing time period, and curing is performed by using the waste heat in the second curing time period;
if the maintenance type is moisturizing maintenance, only providing humid air for maintenance in the second maintenance time period, stopping providing humid air in the third maintenance time period, and performing maintenance by using the humid air in the second maintenance time period;
if the maintenance type is when pressure boost maintenance, during the second maintenance period, provide hot-air and keep the interior constant voltage of maintenance stove (11) to carry out the maintenance, keep the constant voltage to stop providing hot-air during the third maintenance period, the waste heat when utilizing the second maintenance period carries out the maintenance.
5. The automatic steam curing control system for cement bricks according to claim 4, characterized in that: the time sharing strategy specifically comprises the following steps:
evenly dividing the first curing time period, and taking the equally divided separation points as detection points;
dividing logic for the second maintenance time period into a first maintenance time period and a second maintenance time period, wherein the first maintenance time period can be equally divided into the second maintenance time period, and the second maintenance time period can be equally divided into the second maintenance time period;
and evenly dividing the third curing period and taking the equally divided separation points as detection points.
6. The automatic steam curing control system for cement bricks according to claim 5, characterized in that: the detection parameters comprise chap parameters and stress parameters, the bearing frame is provided with a detection unit, the detection unit is used for detecting the detection parameters of the cement bricks, and the detection strategy specifically comprises the following steps:
shooting the cement bricks in the bearing frame through the detection unit, forming an area image, judging whether the cement bricks are cracked or not according to the area image, and counting the number of the cracked cement bricks to generate a cracked value;
applying external force to the cement bricks according to the detection unit, obtaining a stress curve of the cement bricks according to the applied external force, comparing the stress curve with a standard curve, wherein the marking curve also comprises a fluctuation range, and counting the cement bricks of which the stress detection curves exceed the fluctuation range to generate stress values;
if the same cement brick contains chap value and stress value, the statistical value of the cement brick is within the chap value;
and overlapping the chapping value and the stress value to form a detection value.
7. The automatic steam curing control system for cement bricks according to claim 6, characterized in that: the difference algorithm specifically comprises the following steps:
wherein: beta represents the difference proportion, T1 represents the chap value in the detection value, T2 represents the stress value in the detection value, H represents the detection index, and A represents the weight value.
8. The automatic steam curing control system for cement bricks according to claim 1, characterized in that: the difference levels comprise a high loss level, a medium loss level and a low loss level, and the analysis strategy further comprises setting a difference threshold, wherein the difference threshold comprises a high loss threshold and a separation threshold:
and if the difference proportion is greater than the high loss threshold, determining the high loss grade, determining the medium loss grade if the difference proportion is between the high loss threshold and the separation threshold, determining the low loss grade if the difference proportion is less than the separation threshold, and performing correction when the difference grade is the medium loss grade or the high loss grade and not performing correction when the difference grade is the low loss grade.
9. The automatic steam curing control system for cement bricks according to claim 8, characterized in that: the correction strategy specifically comprises the following steps:
when the difference grade is a high-loss grade, the temperature of hot air in the maintenance furnace (11) is respectively reduced corresponding to the maintenance type, and the humidity of the air in the maintenance furnace (11) is increased;
when the difference grade is a medium loss grade;
if the chap value is larger than the stress value, the air humidity in the curing oven (11) is increased;
if the chap value is less than the stress value, the temperature of the hot air in the curing oven (11) is reduced.
10. The system of any one of claims 1 to 9, wherein: the brick conveying trolley (3) is provided with a control trolley processor, the control trolley processor comprises a brick conveying module, the maintenance processor further comprises a distribution system, the distribution system comprises an empty furnace detection module (62) and a distribution module, the empty furnace detection module (62) comprises a detection unit and a furnace distribution unit, the detection unit is arranged at a furnace opening of the maintenance furnace (11), the detection unit is touched when the brick conveying trolley (3) conveys bricks into the maintenance furnace (11), a furnace occupying signal is generated when the detection unit is triggered, a furnace distribution strategy is configured in the furnace distribution unit, the furnace distribution strategy comprises a maintenance furnace (11) which does not generate a furnace occupying signal according to calling, one of the maintenance furnaces (11) which is not occupied is designated and a furnace distribution mark is marked, the distribution module generates a brick conveying route according to the furnace distribution mark and sends the brick conveying module to the brick conveying trolley (3), the brick conveying module controls the brick conveying trolley (3) to convey bricks according to the brick conveying route;
the brick conveying trolley (3) comprises a trolley body and a lifting platform arranged on the trolley body, the bearing frame is arranged on the lifting platform, and a support frame for bearing the bearing frame is arranged on the inner wall of the maintenance furnace (11);
the control car processor further comprises a lower brick module, the lower brick module comprises a lower brick detection unit and a lifting unit, the lower brick detection unit is arranged on the support frame, the support frame supports the lower brick detection unit under touch control when bearing the frame, the lower brick detection unit generates a lower brick instruction and sends the lower brick instruction to the lifting unit, the lifting unit is arranged on the car body and is used for controlling a lifting platform, the lifting unit receives the lower brick instruction and controls the lifting platform to descend so as to separate the brick conveying trolley (3) from the bearing frame, the lower brick detection unit further generates a return instruction and sends the return instruction to the control car processor, and the control car processor controls the brick conveying trolley (3) to return to the furnace entering inspection position (22).
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| CN115063396A (en) * | 2022-07-11 | 2022-09-16 | 浙江金汇华特种耐火材料有限公司 | Preparation system and preparation method of long-life refractory brick |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115063396A (en) * | 2022-07-11 | 2022-09-16 | 浙江金汇华特种耐火材料有限公司 | Preparation system and preparation method of long-life refractory brick |
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