Intelligent control of a device for reducing the loss of beef and mutton carcasses

Abstract

The application discloses a smart control acid draining device for reducing loss of cattle and sheep carcasses, and relates to the technical field of meat processing technology. The device comprises: an acid draining warehouse with a movable hanging rail; an environment control module comprising an independently controlled micro-atomizing spray group, a refrigeration fan group and an independent air supply unit; a multi-element perception module comprising a distributed temperature and humidity sensor, an image recognition unit with a specific formula to determine the number, a weight monitoring unit comprising a rail trolley bearing seat strain sensor, and an air flow velocity sensor; the first two are communicatively connected, and the smart control module comprises a control unit based on a convolutional neural network to generate a temperature and humidity curve, a real-time feedback unit to correct parameters according to weight loss, and an alarm unit to trigger calibration when the loss is greater than 1.5% and less than 4.5%. The application collects information in all dimensions through the multi-element perception module, and dynamically controls the smart control module, which is more than 20% higher than the traditional loss reduction.

Description

Technical Field

[0001] This invention relates to the field of meat processing technology, specifically to an acid removal device that uses intelligent control to reduce the loss of beef and mutton carcasses. Background Technology

[0002] In my country, beef and mutton are mainly produced as hot fresh meat, chilled fresh meat, and frozen meat. Currently, the latter two types of fresh meat dominate the production market, and both require an aging process during production. Aging refers to the rigor mortis and de-aging process that carcasses or cuts undergo at 4°C after slaughter. This process produces a series of physiological and biochemical reactions, resulting in pH changes and changes in tenderness caused by protein degradation. This production step can effectively improve meat quality, but the physiological and biochemical reactions also lead to weight loss, seriously affecting the production efficiency of enterprises.

[0003] The main factors affecting the aging process of beef and mutton are the aging storage environment, including temperature, humidity, and airflow velocity. Excessively high temperatures accelerate spoilage, while excessively low temperatures inhibit the activity of endogenous enzyme systems in the muscle, prolonging the aging process. High humidity accelerates microbial growth, while low humidity leads to a significant drop in moisture content, affecting tenderness and other quality qualities, and increasing losses, thus reducing economic value. Furthermore, excessive airflow velocity causes severe evaporation of surface moisture, increasing losses. Therefore, controlling appropriate temperature, humidity, and airflow velocity is crucial for maintaining beef and mutton quality and reducing aging losses, which is of significant value to improving production efficiency for enterprises.

[0004] Currently, the temperature and humidity inside aging storage facilities are mostly controlled by refrigeration fans and atomizing sprays. However, these methods cannot intelligently adjust temperature and humidity changes according to the different locations and sizes of carcasses within the storage facility, leading to a decline in the quality of beef and mutton carcasses and increased losses. Based on previous research, this invention addresses the current situation in beef and mutton production enterprises where beef and mutton carcasses share aging storage facilities. It avoids the problem of declining meat quality and increased losses caused by the inability to simultaneously meet the aging environmental requirements of carcasses of different sizes. By intelligently controlling the temperature, humidity, and airflow speed within the aging storage facility according to the size of the carcasses, it maintains the aging quality of beef and mutton carcasses in different locations within the storage facility while reducing aging losses. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of existing technologies and provide an acid removal device that reduces carcass loss in cattle and sheep while maintaining intelligent control. This invention collects information from all dimensions through a multi-sensor module and dynamically adjusts it with an intelligent control module to control carcass loss at 3.0%-5.5%, which is more than 20% lower than traditional methods. The environmental control module provides independent control in different zones to adapt to different carcass requirements and ensure stable quality. The structural design is suitable for industrial production, reducing energy consumption and significantly improving efficiency.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: an acid removal device that intelligently controls and reduces the loss of cattle and sheep carcasses, the acid removal device comprising:

[0007] The aging storage area is equipped with movable hanging tracks for carrying cattle and sheep carcasses;

[0008] The environmental control module includes independently controlled micro-atomizing spray units, cooling fan units, and independent air supply units;

[0009] The multi-sensor module includes:

[0010] Distributed temperature and humidity sensors, including hanger-mounted embedded sensors and warehouse reference sensors;

[0011] The number of image recognition units deployed satisfies the following relationship: N 摄 =ceil(S 库 ×ρ / A), where S 库 ρ is the area of ​​the acid removal storage area, ρ is the carcass hanging density, and A is the effective recognition field area of ​​a single camera.

[0012] The weight monitoring unit is implemented through a strain sensor in the track trolley bearing housing;

[0013] Airflow velocity sensor;

[0014] The intelligent control module, which is communicatively connected to the environmental control module and the multi-sensor module, includes:

[0015] The control unit is configured to generate temperature and humidity control curves based on a convolutional neural network.

[0016] Real-time feedback unit, configured to dynamically correct environmental parameters based on weight loss;

[0017] The alarm unit is configured to trigger calibration when the weight loss at the point exceeds a dynamic threshold, which is determined based on the carcass type, acid removal stage, and initial pH value, and ranges from 1.5% to 4.5%.

[0018] Furthermore, the independent air supply unit adopts an air bag structure to achieve zoned air supply, and the atomizing nozzles of the micro-atomizing spray group are distributed and installed on the hanging rod at a spacing of 6 hooks, with a nozzle spacing D = 6 - 0.2 × (V) 气 -0.5), where V 气 To monitor airflow velocity (m / s) in real time.

[0019] Furthermore, the image recognition unit includes a top-mounted wide-angle camera, a pillar-mounted panoramic camera, and a laser scanning unit, and is configured to perform:

[0020] Carcass types are determined by skeletal feature extraction and contour convex hull analysis, with a feature deviation allowed to be ≤15%, and dynamic correction is achieved through a phased verification mechanism of a convolutional neural network.

[0021] Based on laser ranging data, the carcass is fitted into a tetrahedron, and the carcass volume is calculated using the volume formula:

[0022]

[0023] Where V1, V2, V3, and V4 are the coordinates of the vertices of the tetrahedron, and N... 分 The number of tetrahedrons that can be divided.

[0024] Furthermore, the deployment of the airflow velocity sensor satisfies:

[0025] One hot-film anemometer is configured for every four hooks;

[0026] Each conveyor line is equipped with two differential pressure array probes.

[0027] Furthermore, the optimal temperature and humidity range output by the control unit is defined by a functional relationship:

[0028] T opt =T base +ΔT·f(species,volume)

[0029] H opt =H base +ΔH·f(species,volume)

[0030] Wherein: T base H base Let be the species baseline temperature and humidity, ΔT and ΔH be the temperature and humidity adjustment range, and f(·) be the feature fusion operator based on the ReLU activation function.

[0031] Furthermore, the correction algorithm for the real-time feedback unit is as follows:

[0032]

[0033] Where: ΔW is the difference between the current weight loss and the target weight loss, k T ,k H ,k v c is the loss ratio coefficient. T c H S is the time-varying cumulative coefficient. 体 This represents the surface area of ​​the carcass.

[0034] Furthermore, when the alarm unit is triggered, the following is executed:

[0035] Freeze the current environmental control parameters;

[0036] Generate intervention commands containing the coordinates of abnormal points;

[0037] Record historical environmental data for parameter calibration.

[0038] Furthermore, the real-time feedback unit performs a feedback calibration every 3 hours, and the airflow velocity setpoint v set With carcass surface area S 体 They show an inverse correlation.

[0039] Furthermore, the suspended track load-bearing structure integrates strain sensing components, and the cold air blowers of the refrigeration fan unit are non-uniformly distributed according to the acid discharge storage area.

[0040] Furthermore, the deployment density of the distributed temperature and humidity sensors on the hanging frame is positively correlated with the suspension density of the carcass, and the wind speed adjustment accuracy of the independent air supply unit is ±0.1m / s.

[0041] Compared with existing technologies, this intelligent control device for reducing the loss of cattle and sheep carcasses has the following beneficial effects:

[0042] I. This invention achieves multi-dimensional information collection through a multi-sensor module: distributed temperature and humidity sensors (deployed in a positive correlation with suspension density) capture the microenvironment of the carcass surface and the global baseline of the warehouse at close range; an image recognition unit accurately identifies the carcass type (feature deviation ≤15%) and fits a tetrahedron to calculate the volume; a weight monitoring unit tracks losses in real time; and airflow velocity sensors (one hot-film anemometer for every four hooks + two differential pressure probes for each conveyor line) accurately acquire local wind speed. Combined with the convolutional neural network temperature and humidity curve model and real-time feedback correction algorithm of the intelligent control module (calibrated every 3 hours, wind speed is inversely correlated with carcass surface area), the optimal acid removal environment for different types and volumes of carcasses can be dynamically matched, strictly controlling weight loss within a dynamic threshold of 3.0%-5.5%, reducing losses by more than 20% compared to traditional acid removal devices, and significantly improving the economic benefits for enterprises.

[0043] II. This invention utilizes an environmental control module with a zoned independent control design: micro-atomizing spray groups are distributed and installed according to the hook spacing, with the nozzle spacing dynamically adjusted according to the airflow speed (D = 6 - 0.2 × (V_air - 0.5)). Independent air supply units use air bags to achieve zoned air supply with an air speed adjustment accuracy of ±0.1 m / s. The refrigeration fan units are non-uniformly distributed to adapt to the zoned requirements within the storage facility. Combined with an intelligent control module that integrates and controls based on carcass species and volume characteristics (species benchmarks and dynamic corrections for Topt and Hopt), this invention can simultaneously meet the differentiated environmental requirements of different carcasses such as cattle and sheep within the same aging storage facility. This avoids the quality degradation of some carcasses (such as excessive dryness, spoilage, or incomplete aging) caused by the homogenization of the environment in traditional aging storage facilities, ensuring that all carcasses consistently meet quality standards such as tenderness and pH value after aging.

[0044] Third, the movable suspended track of this invention integrates strain sensing components, taking into account both load-bearing and weight monitoring functions; the deployment of environmental control and sensing modules is based on actual scenario designs such as carcass suspension density and internal partitioning (e.g., the number of image recognition units is calculated as Ncam = ceil(Ss storage × ρ / A)), and can be adapted without large-scale modifications to existing acid removal storage facilities. Simultaneously, the partitioned control of independent air supply units and the distributed design of atomized spray reduce overall energy consumption (avoiding energy waste from comprehensive environmental regulation), meeting the high-efficiency and energy-saving requirements of industrial production.

[0045] Other advantages, objectives and features of the invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination or study, or may be learned from the practice of the invention. Attached Figure Description

[0046] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are merely some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0047] Figure 1 This is a structural block diagram of the intelligent control acid removal device provided by the present invention;

[0048] Figure 2 This is a schematic diagram of the structure of an embodiment of the intelligent control acid removal device provided by the present invention;

[0049] Figure 3 The flowchart of the algorithm provided by this invention;

[0050] Figure 4 This is a flowchart illustrating the operation of the intelligent control unit provided by the present invention. Detailed Implementation

[0051] To further illustrate the technical means and effects of the present invention in achieving its intended purpose, the following detailed description of the specific implementation methods, structures, features, and effects of the present invention, in conjunction with the accompanying drawings and preferred embodiments, is provided below.

[0052] An intelligent deacidification device that reduces carcass loss in cattle and sheep while maintaining intelligent control, characterized in that the deacidification device comprises:

[0053] The aging storage area is equipped with movable hanging tracks for carrying cattle and sheep carcasses;

[0054] The environmental control module includes independently controlled micro-atomizing spray units, cooling fan units, and independent air supply units;

[0055] The multi-sensor module includes:

[0056] Distributed temperature and humidity sensors, including hanger-mounted embedded sensors and warehouse reference sensors;

[0057] The number of image recognition units deployed satisfies the following relationship: N 摄 =ceil(S 库 ×ρ / A), where S 库 ρ is the area of ​​the acid removal storage area, ρ is the carcass hanging density, and A is the effective recognition field area of ​​a single camera.

[0058] The weight monitoring unit is implemented through a strain sensor in the track trolley bearing housing;

[0059] Airflow velocity sensor;

[0060] The intelligent control module, which is communicatively connected to the environmental control module and the multi-sensor module, includes:

[0061] The control unit is configured to generate temperature and humidity control curves based on a convolutional neural network.

[0062] Real-time feedback unit, configured to dynamically correct environmental parameters based on weight loss;

[0063] The alarm unit is configured to trigger calibration when the weight loss at the point exceeds a dynamic threshold, which is determined based on the carcass type, acid removal stage, and initial pH value, and ranges from 1.5% to 4.5%.

[0064] Example

[0065] I. Overall Layout of the Equipment

[0066] This embodiment's aging storage facility occupies an area of ​​90㎡ and has a height of 3.6m. It is a mixed aging storage facility for cattle and sheep, and uses a movable suspended track to support the carcasses. The track's load-bearing structure integrates strain sensing components (in accordance with claim 9). The environmental control module includes:

[0067] Refrigeration fan units: Three sets of refrigeration fans are unevenly distributed according to the acid discharge storage area, and one refrigeration unit is deployed on one side wall to achieve temperature zone control;

[0068] Miniature atomizing spray system: Atomizing nozzles are distributed on the hanging rod at intervals of 6 hooks. The formula for calculating the nozzle spacing is:

[0069] D = 6 - 0.2 × (V) 气 -0.5), where V 气 To monitor airflow velocity (m / s) in real time, when V is detected... 气When the velocity is 0.8 m / s, D = 6 - 0.2 × (0.8 - 0.5) = 5.94 m;

[0070] Independent air supply unit: It adopts a cloth bag structure to achieve zoned air supply, and the wind speed adjustment accuracy is ±0.1m / s. The local wind speed can be controlled by adjusting the direction of the air outlet and the switch.

[0071] II. Deployment of Multi-Sensing Module

[0072] Distributed temperature and humidity sensors:

[0073] The deployment density of the embedded sensors on the hanging racks, combined with the warehouse reference sensors, is positively correlated with the carcass suspension density (e.g., when two carcasses are suspended per square meter, the sensor density is 1 sensor / square meter).

[0074] The suspension sensor monitors the temperature and humidity of the carcass surface at zero distance, while the warehouse reference sensor provides global calibration parameters.

[0075] Image recognition unit:

[0076] OV4689 module industrial cameras are used, and the quantity is calculated according to the formula: N 摄 =ceil(S 库 ×ρ / A), Area S of the acid discharge reservoir 库 =90㎡, carcass suspension density ρ = 0.3 units / ㎡, effective field of view of a single camera A = 1.3㎡, then N 摄 =ceil(90×0.3 / 1.3) =ceil(20.77) = 21;

[0077] Four top-mounted wide-angle cameras and seventeen pillar-mounted panoramic cameras are deployed, combined with a laser scanning unit. The carcass type is determined through skeletal feature extraction and contour convex hull analysis (feature deviation allowed ≤15%), and the carcass is fitted as a tetrahedron according to the volume formula:

[0078]

[0079] Weight monitoring unit: Strain sensors are integrated into the track trolley bearing housing to collect the body weight in real time and calculate the weight loss ΔW.

[0080] Airflow velocity sensor:

[0081] One hot-film anemometer is configured for every four hooks, with a total of eight deployed;

[0082] Each conveyor line is equipped with two differential pressure array probes, for a total of four, to monitor local wind speed in a combined manner.

[0083] III. Operation Mechanism of Intelligent Control Module

[0084] Control unit: Generates the optimal temperature and humidity range based on a convolutional neural network.

[0085] T opt =T base +ΔT·f(species,volume)

[0086] H opt =H base +ΔH·f(species,volume), where T is the bovine carcass. base =4℃, H base =85, sheep carcass T base =3.8℃, H base =82, ΔT=±0.5℃, ΔH=±3, f(·) is the feature fusion operator based on the ReLU activation function.

[0087] Real-time feedback unit: Performs calibration every 3 hours, with the correction formula as follows:

[0088] Where k T =0.15, c T =0.02, δT=±0.1℃; k H =0.8, c H =0.01, δH = ±1; v min =0.3m / s, v max =1.0m / s, k v =0.05; S 体 This refers to the surface area of ​​the carcass (calculated in relation to volume).

[0089] Alarm unit: When the weight loss at the location exceeds the dynamic threshold (cattle: 2.0%-4.5%, sheep: 1.5%-4.0%):

[0090] Freeze current environment parameters;

[0091] Generate intervention commands containing coordinates of abnormal points;

[0092] Historical data is recorded for parameter calibration.

[0093] In this embodiment, the 24-hour acid excretion data of 30 bovine carcasses are as follows:

[0094]

[0095] The results showed that the loss was controlled within the dynamic threshold, which was 22% lower than that of the traditional device.

[0096] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. An acid removal device that reduces carcass loss in cattle and sheep while being intelligently controlled, characterized in that, The acid removal device includes: The aging storage area is equipped with movable hanging tracks for carrying cattle and sheep carcasses; The environmental control module includes independently controlled micro-atomizing spray units, cooling fan units, and independent air supply units; The multi-sensor module includes: Distributed temperature and humidity sensors, including hanger-mounted embedded sensors and warehouse reference sensors; The number of image recognition units deployed satisfies the following relationship: ,in For the area of ​​the acid removal storage, Carcass suspension density, To effectively identify the field of view area of ​​a single camera; The image recognition unit includes a top-mounted wide-angle camera, a pillar-mounted panoramic camera, and a laser scanning unit, and is configured to perform: Carcass types are determined by skeletal feature extraction and contour convex hull analysis, with a feature deviation allowed to be ≤15%, and dynamic correction is achieved through a phased verification mechanism of a convolutional neural network. Based on laser ranging data, the carcass is fitted into a tetrahedron, and the carcass volume is calculated using the volume formula: ； in, , , and The coordinates of the vertices of the tetrahedron. The number of tetrahedrons that can be divided; The weight monitoring unit is implemented through a strain sensor in the track trolley bearing housing; Airflow velocity sensor; The intelligent control module, which is communicatively connected to the environmental control module and the multi-sensor module, includes: The control unit is configured to generate temperature and humidity control curves based on a convolutional neural network. Real-time feedback unit, configured to dynamically correct environmental parameters based on weight loss; The alarm unit is configured to trigger calibration when the weight loss at the point exceeds a dynamic threshold, which is determined based on the carcass type, acid removal stage, and initial pH value, and ranges from 3.0% to 5.5%.

2. The acid removal device for intelligent control while reducing carcass loss in cattle and sheep according to claim 1, characterized in that, The independent air supply unit uses a fabric bag structure to achieve zoned air supply, and the atomizing nozzles of the micro-atomizing spray group are distributed on the hanging rod at a spacing of 6 hooks each, with the nozzle spacing... ,in The unit for real-time monitoring of airflow velocity is meters per second.

3. The acid removal device for intelligent control while reducing carcass loss in cattle and sheep according to claim 1, characterized in that, The deployment of the airflow velocity sensor satisfies: One hot-film anemometer is configured for every four hooks; Each conveyor line is equipped with two differential pressure array probes.

4. The acid removal device for intelligent control while reducing carcass loss in cattle and sheep according to claim 1, characterized in that, The optimal temperature and humidity range output by the control unit is defined by a functional relationship: ， ； in: , For species baseline temperature and humidity, , For temperature and humidity regulation range, This is a feature fusion operator based on the ReLU activation function.

5. The acid removal device for intelligent control while reducing carcass loss in cattle and sheep according to claim 4, characterized in that, The correction algorithm of the real-time feedback unit is as follows: ; in: This is a temperature correction amount. This is the humidity correction amount. This is the difference between the current weight loss and the target weight loss. This is the loss ratio coefficient. , This is the time-varying cumulative coefficient. This refers to the time for acid removal. The constant value ranges from ±0.1℃. The constant's value ranges from ±1. Set the airflow velocity value. This is the minimum setpoint for airflow velocity. This is the maximum setpoint for airflow speed. This represents the surface area of ​​the carcass.

6. The acid removal device for intelligent control while reducing carcass loss in cattle and sheep according to claim 1, characterized in that, When the alarm unit is triggered, the following is executed: Freeze the current environmental control parameters; Generate intervention commands containing the coordinates of abnormal points; Record historical environmental data for parameter calibration.

7. The acid removal device for intelligent control while reducing carcass loss in cattle and sheep according to claim 5, characterized in that, The real-time feedback unit performs a feedback calibration every 3 hours, and the airflow speed setpoint... with carcass surface area They show an inverse correlation.

8. The acid removal device for intelligent control while reducing carcass loss in cattle and sheep according to claim 1, characterized in that, The suspended track load-bearing structure integrates strain sensing components, and the cold air blowers of the refrigeration fan unit are non-uniformly distributed according to the acid discharge storage area.

9. The acid removal device for intelligent control and simultaneous reduction of carcass loss in cattle and sheep according to any one of claims 1-8, characterized in that, The deployment density of the distributed temperature and humidity sensors on the hanging frame is positively correlated with the suspension density of the carcass, and the wind speed adjustment accuracy of the independent air supply unit is ±0.1m / s.

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