A kind of intelligent device for automatic measurement and collection of live pig weight before slaughter and carcass weight after slaughter

Abstract

The application discloses an intelligent device for automatically measuring and collecting live weight before pig slaughtering and carcass weight after pig slaughtering, which comprises a work station one and a work station two. The work station one comprises a visual acquisition station, a weighing table is arranged below the visual acquisition station, and an identification station one is arranged at the side end of the visual acquisition station. The work station two comprises a conveying rail, an identification station two is arranged at the top of the conveying rail, a weighing rail is arranged at the side of the conveying rail, and an anti-shaking stabilizing assembly is arranged below the weighing rail. The intelligent device for automatically measuring and collecting live weight before pig slaughtering and carcass weight after pig slaughtering realizes automatic association of live weight before slaughtering and carcass weight after slaughtering. Meanwhile, a laser sensor is used to collect the shaking characteristics of the carcass, original weight signals are filtered according to the shaking data, and the dynamic weighing precision of the carcass is improved. In addition, the weighing table adopts an open channel design, and the weighing rail adopts a non-contact laser measurement, so that the production line can continuously flow.

Description

Technical Field

[0001] This invention relates to the field of pig slaughtering and processing technology, and in particular to an intelligent device for the automated measurement and collection of pre-slaughter weight and post-slaughter carcass weight of pigs. Background Technology

[0002] In the field of pig slaughtering and processing, body weight measurement is the core basis for weight calculation, settlement and grading. Currently, the industry typically uses a phased measurement method: in the pre-slaughter measurement stage, pigs are driven to a static scale or a fence-type dynamic scale for weighing and recording live weight data; in the post-slaughter measurement stage, the carcass is suspended on a conveyor track, and carcass weight data is obtained through a track scale.

[0003] While existing measurement methods offer numerous advantages, they still suffer from the following problems: pre-slaughter and post-slaughter weighing processes are independent, and data recording methods are outdated. Currently, live weight data is typically recorded on paper documents or in the farming system, while carcass weight data is recorded in the slaughtering system. The two are matched manually or by barcode scanners. Due to the high production rate of slaughter lines (typically processing 10-15 pigs per minute), manual matching is prone to errors and cannot calculate the dressing percentage (carcass weight / live weight) in real time, affecting settlement efficiency and accuracy. Furthermore, the swaying during carcass suspension and transport severely impacts weighing accuracy. The halved carcass is suspended on a track and transported forward; gaps between the hook and the track, and the impact of production line start-up and shutdown, all contribute to the problem. Due to factors such as the carcass' inherent instability, it sways back-to-back and left-to-right when passing over a rail scale. Existing rail scales, when dealing with this dynamic swaying, suffer from interference from centrifugal and inertial forces on the weighing sensors, resulting in large fluctuations in the output signal and unstable readings. Some existing technologies attempt to stabilize the carcass before weighing using mechanical clamping devices, but this approach disrupts the continuous flow of the production line, reducing production efficiency. Secondly, there is a lack of a full-process identification tracking mechanism from live animal to carcass. Pigs typically wear RFID ear tags before slaughter as identification, but during slaughter, after processes such as scalding, dehairing, and evisceration, the ear tags are removed or damaged. The carcass itself lacks a unique identifier linked to the live animal data, making it impossible to automatically correlate the live weight data collected before slaughter with the post-slaughter carcass weight data. Even if some production lines use temporary tags on the carcass, manual intervention is required, and there are risks of tag detachment and reading failure. Summary of the Invention

[0004] The purpose of this invention is to address the aforementioned problems by providing an intelligent device for the automated measurement and collection of pre-slaughter body weight and post-slaughter carcass weight of pigs. Based on the identification station two and the hoisting frame of this invention, the pre-slaughter live weight and post-slaughter carcass weight are automatically correlated. The hook identification device records the identity of each hook and its timestamp. Combined with the spatiotemporal matching algorithm of the central controller, the live data and carcass data of the same pig individual are automatically paired without manual intervention. Simultaneously, a laser sensor array collects carcass swaying characteristics in real time. The central controller filters the original weight signal based on the swaying data to eliminate swaying interference and outputs carcass weight data with near-static weighing accuracy. Furthermore, the pre-slaughter dynamic weighing adopts an open channel design, allowing measurement to be completed without stopping the pig; the post-slaughter weighing uses non-contact laser measurement and software compensation, achieving high-precision weighing of the carcass without mechanical clamping. The entire measurement process does not interrupt the production cycle.

[0005] To achieve the above-mentioned objectives, the technical solution adopted by this invention is as follows: According to one aspect of the present invention, an intelligent device for automated measurement and collection of pre-slaughter weight and post-slaughter carcass weight of pigs is provided, comprising a workstation one and a workstation two. The workstation one includes a vision acquisition station, a weighing platform is provided below the vision acquisition station, and an identification station one is provided on the side of the vision acquisition station. The workstation two includes a conveyor rail, an identification station two is provided on the top of the conveyor rail, a weighing rail is provided on the side of the conveyor rail, and an anti-sway stabilizing component is provided below the weighing rail.

[0006] Preferably, the identification station includes a bracket, a reader is bolted to the inner wall of the bracket, and multiple antennas are screwed to the top of the bracket, with the multiple antennas electrically connected to the reader.

[0007] Preferably, the visual acquisition station includes a second bracket, with multiple supplementary light strips bonded to the inner sidewall edge of the second bracket, and multiple acquisition cameras connected to the inner sidewall of the bracket by screws.

[0008] Preferably, the weighing platform includes a base plate, a limit barrier integrally formed and connected to the top edge of the base plate, a sealing ring being adhered to the inner top wall of the limit barrier, multiple limit blocks integrally formed and connected to the top of the base plate, multiple connecting seats integrally formed and connected to the top corner of the base plate, multiple load cells being bolted to the top of the multiple connecting seats, multiple ball head covers being sleeved on the top of the multiple load cells, multiple connecting blocks being sleeved on the top of the multiple ball head covers, multiple spherical recesses being formed at the bottom of the multiple connecting blocks, a top plate integrally formed and connected to the top of the multiple connecting blocks, an anti-slip plate being welded to the top of the top plate, multiple railings being provided on the left and right sides of the base plate, and multiple inclined platforms being closely attached to the front and rear sides of the base plate.

[0009] Preferably, the conveying rail includes a track one, with multiple lifting lugs integrally formed on both sides of the top of the track one, multiple anti-detachment grooves formed on the inner sidewall of the track one, a bracket three welded to the top of the track one, a hoisting frame provided on the inner sidewall of the track one, the hoisting frame including a movable frame, multiple supporting shafts inserted into the sidewall of the movable frame, multiple rollers sleeved on the outer circumference of the multiple supporting shafts, a hook inserted into the bottom of the movable frame, an identification plate provided on the outer circumference of the hook, and an identification sign connected to the sidewall of the identification plate by screws.

[0010] Preferably, the identification station two includes a reader two, which is disposed on the inner side wall of the bracket three. The inner side wall of the bracket three is integrally formed and connected to a mounting plate two. The side wall of the mounting plate two is connected to a photoelectric switch by screws. The top of the bracket three is connected to an antenna two by screws. The reader is electrically connected to the photoelectric switch and the antenna two.

[0011] Preferably, the weighing rail includes a second rail, the sidewall of which is integrally formed with a transition block, a plurality of limiting holes are provided at the bottom corner of the second rail, a support plate is provided at the bottom of the second rail, a plurality of second weighing sensors are provided at the top of the support plate, the tops of the plurality of second weighing sensors are in close contact with the second rail, a plurality of limiting posts are integrally formed at the top corner of the support plate, and a plurality of support frames are welded to the bottom of the support plate.

[0012] Preferably, the anti-sway stabilization component includes multiple columns, which are disposed on both sides below the second track. Multiple mounting plates are integrally formed and connected to the inner sidewalls of the multiple columns, and multiple laser sensors are connected to the sidewalls of the multiple mounting plates by screws.

[0013] Preferably, it also includes a control unit, which is electrically connected to the reader one, the acquisition camera, the weighing sensor one, the reader two, the photoelectric switch, the weighing sensor two, and the laser sensor respectively; The control unit is configured to receive and process the identification information read by the first reader and the second reader, the image data acquired by the acquisition camera, the weight signals output by the first weighing sensor and the second weighing sensor, the trigger signal output by the photoelectric switch, and the distance signal output by the laser sensor, thereby generating interrelated live weight data, carcass weight data, and slaughter rate data of individual pigs.

[0014] Preferably, the control unit includes a sway compensation module and a data association module; The sway compensation module is electrically connected to the laser sensor and the weighing sensor, and is configured to establish a sway trajectory model based on the sway frequency and amplitude data of different height parts of the carcass synchronously collected by the laser sensor, and to filter the raw weight signal output by the weighing sensor to eliminate sway interference and output accurate carcass weight data. The data association module is electrically connected to Reader 1, Reader 2, the photoelectric switch, and the sway compensation module. It is configured to associate the live data and carcass data of the same pig individual according to a preset spatiotemporal matching algorithm based on the hook passage timestamp recorded when the photoelectric switch is triggered, the time when Reader 1 reads the live animal identifier, and the time when Reader 2 reads the hook identifier, and to verify the association results using the slaughter rate experience range.

[0015] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: 1. This invention achieves automatic and accurate correlation between pre-slaughter live weight and post-slaughter carcass weight through a hook identification device and a spatiotemporal matching algorithm. The hook identification device reads the identification mark and records the timestamp before the hook enters the weighing section. The central controller matches the data of live pigs weighed before slaughter with the data of carcasses weighed after slaughter within the same time window according to the production cycle and a preset spatiotemporal queue model, and verifies it through the slaughter rate experience range. This mechanism solves the data gap problem caused by ear tag removal, realizes full-process data tracking from live pigs to carcasses, and provides an accurate data foundation for slaughter rate calculation and grading.

[0016] 2. This invention effectively improves the accuracy of dynamic weighing of the carcass by using a laser time-domain anti-sway stabilizer and a dynamic compensation algorithm. Multiple laser sensors are arranged at intervals along the height direction to synchronously collect the swaying frequency and amplitude data of different parts of the carcass, establish a swaying trajectory model of the carcass in three-dimensional space, and the swaying compensation module in the central controller uses this model to perform spectrum analysis and inverse filtering on the original weight signal, identify and filter out the periodic noise components caused by swaying, and reconstruct the static weight value of the carcass. This scheme can eliminate swaying interference without physical contact, and the weighing accuracy is close to the level of static weighing.

[0017] 3. This invention, through overall structural design and algorithm coordination, achieves continuous automated measurement throughout the entire process. The pre-slaughter station adopts an open dynamic weighing channel, where weight and body shape data are collected while the pigs are walking, without the need for herding or restraint. The post-slaughter station uses non-contact laser measurement and software compensation, where the carcass is monitored for movement and its weight is collected during normal transport, without the need for mechanical clamping or stopping. The entire measurement process is fully integrated into the production line without interrupting the normal production rhythm, significantly improving measurement efficiency and reducing the need for manual intervention. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural schematic diagram of the present invention; Figure 2 This is a schematic diagram of the overall structure of the workstation of the present invention; Figure 3 This is a schematic diagram of the overall structure of the identification station, i.e., the visual acquisition station, of the present invention; Figure 4 This is a schematic diagram of the overall structure of the weighing platform of the present invention; Figure 5 This is a schematic diagram of the overall structure of workstation two of the present invention; Figure 6 This is a schematic diagram of the overall structure of the conveyor rail of the present invention; Figure 7 This is a schematic diagram of the overall structure of the hoisting frame of the present invention; Figure 8 This is a schematic diagram of the overall structure of the weighing rail of the present invention; Figure 9 This is a schematic diagram of the overall system structure of the present invention. In the attached diagram: 1. Workstation 1; 2. Workstation 2; 3. Visual acquisition station; 4. Identification station 1; 5. Fence; 6. Weighing platform; 7. Inclined platform; 8. Weighing rail; 9. Anti-sway stabilizing component; 10. Conveyor rail; 11. Hoisting frame; 12. Antenna 1; 13. Reader 1; 14. Support 1; 15. Supplemental lighting strip; 16. Acquisition camera; 17. Support 2; 18. Anti-slip plate; 19. Top plate; 20. Connecting block; 21. Ball head cover; 22. Weighing sensor 1; 23. Sealing ring; 24. Limiting block; 25. Connecting seat; 2 6. Limiting barrier; 27. Base plate; 28. Laser sensor; 29. ​​Mounting plate one; 30. Vertical plate; 31. Antenna two; 32. Lifting lug; 33. Bracket three; 34. Track one; 35. Reader two; 36. Mounting plate two; 37. Photoelectric switch; 38. Support shaft; 39. Roller; 40. Moving frame; 41. Sign; 42. Signboard; 43. Hook; 44. Support frame; 45. Track two; 46. Transition block; 47. Limiting hole; 48. Limiting post; 49. Weighing sensor two; 50. Support plate. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and preferred embodiments. However, it should be noted that many details listed in the specification are merely to provide the reader with a thorough understanding of one or more aspects of the invention, and these aspects of the invention can be achieved even without these specific details.

[0020] Please see Figures 1 to 5This invention provides an intelligent device for the automated measurement and collection of pre-slaughter weight and post-slaughter carcass weight of pigs. The technical solution is as follows: This embodiment of an intelligent device for automated measurement and collection of pre-slaughter weight and post-slaughter carcass weight of pigs includes a workstation 1 and a workstation 2. Workstation 1 includes a vision acquisition station 3, a weighing platform 6 is arranged below the vision acquisition station 3, and an identification station 4 is arranged on the side of the vision acquisition station 3. Workstation 2 includes a conveyor rail 10, an identification station 2 is arranged on the top of the conveyor rail 10, a weighing rail 8 is arranged on the side of the conveyor rail 10, and an anti-sway stabilizing component 9 is arranged below the weighing rail 8.

[0021] It is worth noting that, in order to facilitate the recording of live pig identification information, the identification station 4 specifically includes a bracket 14. The inner wall of the bracket 14 is connected to a reader 13 by bolts for reading the identification information in the pig's ear tag. This is existing technology, and the model number Alien ALR-9650 can be referenced. The top of the bracket 14 is connected to multiple antennas 12 by screws for transmitting and receiving radio frequency signals to expand the reading range. This is existing technology. The multiple antennas 12 are electrically connected to the reader 13.

[0022] Next, in order to identify the body size data of live pigs, specifically, the visual acquisition station 3 includes a bracket 2 17. Multiple supplementary light strips 15 are glued to the inner sidewall edge of the bracket 2 17 to provide uniform illumination and eliminate shadows. Multiple acquisition cameras 16 are connected to the inner sidewall of the bracket by screws to acquire three-dimensional point cloud data of live pigs for body size recognition and dynamic compensation. This is existing technology, and the reference model is: Microsoft Azure Kinect DK.

[0023] Meanwhile, to facilitate the weighing of live pigs, the weighing platform 6 specifically includes a base plate 27. A limit barrier 26 is integrally formed and connected to the top edge of the base plate 27 to limit the horizontal displacement of the top plate 19. A sealing ring 23 is adhered to the inner top wall of the limit barrier 26 to fill the gap between the limit barrier 26 and the top plate 19, preventing debris from entering. Multiple limit blocks 24 are integrally formed and connected to the top of the base plate 27. Multiple connecting seats 25 are integrally formed and connected to the top corner of the base plate 27. Multiple weighing sensors 22 are bolted to the top of the multiple connecting seats 25. This is prior art; please refer to model number: HBM. Z6FC3, multiple weighing sensors 22 are fitted with multiple ball head covers 21 on top, which are used to cooperate with the spherical recesses at the bottom of the connecting blocks 20 to form an automatic self-aligning structure. Multiple connecting blocks 20 are fitted with the top of the multiple ball head covers 21. Multiple spherical recesses are opened at the bottom of the multiple connecting blocks 20 to ensure that the force is always perpendicular to the center of the sensor when the top plate 19 is subjected to uneven force, eliminating the influence of lateral force and torsional force. The top of the multiple connecting blocks 20 is integrally connected to the top plate 19. The top of the top plate 19 is welded with an anti-slip plate 18. Multiple fences 5 are set on the left and right sides of the base plate 27 to restrict the movement of multiple live pigs side by side, ensuring that only one live pig is allowed in each row. Multiple inclined platforms 7 are closely attached to the front and rear sides of the base plate 27 to guide the pigs to smoothly go up and down the weighing platform. The inclined design reduces the impact of height difference, allowing the pigs to walk naturally without stopping.

[0024] Furthermore, to facilitate the transfer of the carcass, specifically, the conveyor rail 10 includes a track 34. Multiple lifting lugs 32 are integrally formed on both sides of the top of the track 34 for hoisting and fixing the track to the top of the workshop. Multiple anti-derailment grooves are provided on the inner sidewall of the track 34 to prevent the hoisting frame from derailing. A bracket 33 is welded to the top of the track 34. A hoisting frame 11 is provided on the inner sidewall of the track 34. The hoisting frame 11 includes a movable frame 40. Multiple supporting shafts 38 are inserted into the sidewall of the movable frame 40. Multiple rollers 39 are sleeved on the outer circumference of the multiple supporting shafts 38. The side ends of the rollers 39 are integrally formed with wheel rims matching the anti-derailment grooves. A hook 43 is inserted into the bottom of the movable frame 40. An identification plate 42 is connected to the outer circumference of the hook 43 via a clamp. An identification plate 41, specifically a laser-engraved stainless steel plate, is connected to the sidewall of the identification plate 42 via screws to store the hook's unique identification information.

[0025] It is worth noting that, in order to facilitate the identification of the body, specifically, the identification station two includes a reader two 35, which is existing technology, used to read the identification information in the hook identification tag. For example, model: Impinj R700. The reader two 35 is fixed to the inner wall of the bracket three 33 by screws. The inner wall of the bracket three 33 is integrally formed with a mounting plate two 36. The side wall of the mounting plate two 36 is connected to a photoelectric switch 37 by screws, which is used to detect the arrival of the hook 43 and trigger the reader to read. For example, model: SICK WL100-P2432. The top of the bracket three 33 is connected to an antenna two 31 by screws to enhance the reader's reading signal. This is existing technology. The reader is electrically connected to the photoelectric switch 37 and the antenna two 31.

[0026] Next, to facilitate carcass weighing, the weighing rail 8 specifically includes a second rail 45. A transition block 46 is integrally formed on the side wall of the second rail 45 to guide the hoisting frame 11 smoothly from the conveyor rail 10 to the weighing rail 8. Multiple limiting holes 47 are provided at the bottom corner of the second rail 45. A support plate 50 is provided at the bottom of the second rail 45, and multiple weighing sensors 49 are provided at the top of the support plate 50 to convert the carcass weight into an electrical signal. This is existing technology; please refer to model: HBM RTN. The tops of the multiple weighing sensors 49 are in close contact with the second rail 45. Multiple limiting posts 48 are integrally formed at the top corner of the support plate 50 to cooperate with the limiting holes 47 to limit the rail movement. The diameter of the limiting posts 48 is smaller than the diameter of the limiting holes 47, allowing for small-amplitude rail displacement while limiting excessive displacement. Multiple support frames 44 are welded to the bottom of the support plate 50 to form an independent mechanical platform, providing an installation foundation for the support plate 50.

[0027] Secondly, in order to identify the swaying amplitude of the body, specifically, the anti-sway stabilization component 9 includes multiple columns, which are set on both sides below the track 45. Multiple mounting plates 29 are integrally formed on the inner sidewalls of the multiple columns. Multiple laser sensors 28 are connected to the sidewalls of the mounting plates 29 by screws, which are used to measure the swaying distance of various parts of the body in real time. This is an existing design, and the model number is SICK OD2000.

[0028] Specifically, it also includes a control unit, which is electrically connected to reader 13, acquisition camera 16, weighing sensor 122, reader 25, photoelectric switch 37, weighing sensor 29 and laser sensor 28 respectively. The control unit is configured to receive and process the identification information read by reader 13 and reader 235, the image data acquired by camera 16, the weight signals output by weighing sensor 122 and weighing sensor 249, the trigger signal output by photoelectric switch 37, and the distance signal output by laser sensor 28, thereby generating interrelated live weight data, carcass weight data, and slaughter rate data of individual pigs.

[0029] Finally, specifically, the control unit includes a sway compensation module and a data association module; The sway compensation module is electrically connected to the laser sensor 28 and the weighing sensor 49. It is configured to establish a sway trajectory model based on the sway frequency and amplitude data of different height parts of the carcass synchronously collected by the laser sensor 28, and to filter the raw weight signal output by the weighing sensor 49 to eliminate sway interference and output accurate carcass weight data. The data association module is electrically connected to Reader 13, Reader 235, photoelectric switch 37, and sway compensation module. It is configured to associate the live data and carcass data of the same pig individual according to a preset spatiotemporal matching algorithm based on the timestamp recorded when the photoelectric switch 37 is triggered, the time when Reader 13 reads the live animal identifier, and the time when Reader 235 reads the hook 43 identifier, and to verify the association results using the slaughter rate experience range.

[0030] In addition, the circuits, electronic components and modules involved in this invention are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this invention does not involve any improvement to the internal structure and method. Combination Figures 1-5 The intelligent device for automatically measuring and collecting the pre-slaughter weight and post-slaughter carcass weight of pigs, as described in this embodiment, is used as follows: 1. After the device is started, the pigs pass through the identification station 4 in sequence. The reader 13 reads the identity information in the pig's ear tag through the antenna 12 and records the reading time as the live data collection timestamp. The pigs continue to move forward and enter the vision collection station 3. The supplementary light strip 15 illuminates the weighing area. The collection camera 16 continuously collects the three-dimensional point cloud data of the pigs during the walking process. At the same time, the pigs step onto the weighing platform 6. The weighing sensor 22 outputs the weight signal in real time. The central controller captures the pure live weight data from the weight signal based on the moment when the pig's four hooves leave the ground, as identified by the collection camera 16, and stores it in association with the identity information and three-dimensional body shape data. 2: After slaughter, the pig becomes a carcass, which is suspended on hook 43 and moves along conveyor rail 10. When hook 43 passes identification station 2, photoelectric switch 37 detects the arrival of hook 43 and triggers reader 2 35. Reader 2 35 reads the identity information stored on the identification plate 41 on hook 43 through antenna 2 31 and records the passing timestamp. Hook 43 continues to move forward and smoothly transitions to weighing rail 8 through transition block 46. On weighing rail 8, weighing sensor 2 49 outputs the original weight signal in real time. At the same time, multiple laser sensors 28 in anti-sway stabilization component 9 synchronously collect the sway distance data of different height parts of the carcass. The central controller filters the weight signal according to the laser data, eliminates sway interference, and outputs accurate carcass weight data. 3: The spatiotemporal matching module in the central controller matches the live data collection timestamp recorded by identification station 1 4 and the hook 43 recorded by identification station 2 according to the timestamp, according to the preset spatiotemporal queue model. The matching process takes into account the production cycle (the time interval from pre-slaughter to post-slaughter). The live data and carcass data with the closest time are used as candidate pairs. The candidate live weight is multiplied by the dressing percentage empirical range to verify the candidate carcass weight. After the verification is passed, the central controller associates and stores or outputs the live weight, carcass weight, dressing percentage and three-dimensional body shape data of the same pig individual to the upper-level system.

[0031] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. An intelligent device for automatically measuring and collecting the pre-slaughter weight and post-slaughter carcass weight of pigs, characterized in that, include: Workstation 1 (1) and workstation 2 (2), workstation 1 (1) includes a vision acquisition station (3), a weighing platform (6) is provided below the vision acquisition station (3), an identification station 1 (4) is provided on the side of the vision acquisition station (3), workstation 2 (2) includes a conveyor rail (10), an identification station 2 is provided on the top of the conveyor rail (10), a weighing rail (8) is provided on one side of the conveyor rail (10), and an anti-sway stabilizing component (9) is provided below the weighing rail (8).

2. The intelligent device for automated measurement and collection of pre-slaughter body weight and post-slaughter carcass weight of pigs according to claim 1, characterized in that: The identification station 1 (4) includes a bracket 1 (14), the inner side wall of the bracket 1 (14) is connected to a reader 1 (13) by bolts, and the top of the bracket 1 (14) is connected to multiple antennas 1 (12) by screws, and the multiple antennas 1 (12) are electrically connected to the reader 1 (13).

3. The intelligent device for automated measurement and collection of pre-slaughter body weight and post-slaughter carcass weight of pigs according to claim 1, characterized in that: The visual acquisition station (3) includes a second bracket (17), and multiple supplementary light strips (15) are glued to the inner sidewall edge of the second bracket (17). Multiple acquisition cameras (16) are connected to the inner sidewall of the bracket by screws.

4. The intelligent device for automated measurement and collection of pre-slaughter body weight and post-slaughter carcass weight of pigs according to claim 1, characterized in that: The weighing platform (6) includes a base plate (27). A limit barrier (26) is integrally formed and connected to the top edge of the base plate (27). A sealing ring (23) is adhered to the inner top wall of the limit barrier (26). Multiple limit blocks (24) are integrally formed and connected to the top of the base plate (27). Multiple connecting seats (25) are integrally formed and connected to the top corner of the base plate (27). Multiple weighing sensors (22) are bolted to the top of the multiple connecting seats (25). The top of the device (22) is fitted with multiple ball head covers (21), and the top of the multiple ball head covers (21) is fitted with multiple connecting blocks (20). The bottom of the multiple connecting blocks (20) is provided with multiple spherical recesses. The top of the multiple connecting blocks (20) is integrally connected with a top plate (19). The top of the top plate (19) is welded with an anti-slip plate (18). The left and right sides of the base plate (27) are provided with multiple fences (5). The front and rear sides of the base plate (27) are closely attached with multiple inclined platforms (7).

5. The intelligent device for automated measurement and collection of pre-slaughter weight and post-slaughter carcass weight of pigs according to claim 1, characterized in that: The conveying rail (10) includes a rail (34), with multiple lifting ears (32) integrally formed on both sides of the top of the rail (34). Multiple anti-detachment grooves are provided on the inner sidewall of the rail (34). A bracket (33) is welded to the top of the rail (34). A hoisting frame (11) is provided on the inner sidewall of the rail (34). The hoisting frame (11) includes a movable frame (40). Multiple support shafts (38) are inserted into the sidewall of the movable frame (40). Multiple rollers (39) are sleeved on the outer circumference of the multiple support shafts (38). A hook (43) is inserted into the bottom of the movable frame (40). A label plate (42) is provided on the outer circumference of the hook (43). A label (41) is connected to the sidewall of the label plate (42) by screws.

6. The intelligent device for automated measurement and collection of pre-slaughter body weight and post-slaughter carcass weight of pigs according to claim 1, characterized in that: The identification station 2 includes a reader 2 (35), which is disposed on the inner side wall of the bracket 3 (33). The inner side wall of the bracket 3 (33) is integrally connected to a mounting plate 2 (36). The side wall of the mounting plate 2 (36) is connected to a photoelectric switch (37) by screws. The top of the bracket 3 (33) is connected to an antenna 2 (31) by screws. The reader is electrically connected to the photoelectric switch (37) and the antenna 2 (31).

7. The intelligent device for automated measurement and collection of pre-slaughter weight and post-slaughter carcass weight of pigs according to claim 1, characterized in that: The weighing rail (8) includes a second rail (45), the side wall of the second rail (45) is integrally formed and connected with a transition block (46), the bottom corner of the second rail (45) is provided with multiple limiting holes (47), the bottom of the second rail (45) is provided with a support plate (50), the top of the support plate (50) is provided with multiple second weighing sensors (49), the top of the multiple second weighing sensors (49) is closely attached to the second rail (45), the top corner of the support plate (50) is integrally formed and connected with multiple limiting posts (48), and the bottom of the support plate (50) is welded with multiple support frames (44).

8. The intelligent device for automated measurement and collection of pre-slaughter body weight and post-slaughter carcass weight of pigs according to claim 1, characterized in that: The anti-sway stabilizing component (9) includes multiple columns, which are located on both sides below the second track (45). Multiple mounting plates (29) are integrally formed on the inner sidewalls of the multiple columns, and multiple laser sensors (28) are connected to the sidewalls of the multiple mounting plates (29) by screws.

9. The intelligent device for automated measurement and collection of pre-slaughter body weight and post-slaughter carcass weight of pigs according to claim 1, characterized in that, It also includes a control unit, which is electrically connected to the reader (13), the acquisition camera (16), the weighing sensor (22), the reader (35), the photoelectric switch (37), the weighing sensor (49), and the laser sensor (28), respectively. The control unit is configured to receive and process the identification information read by the reader one (13) and the reader two (35), the image data acquired by the acquisition camera (16), the weight signals output by the weighing sensor one (22) and the weighing sensor two (49), the trigger signal output by the photoelectric switch (37), and the distance signal output by the laser sensor (28), thereby generating interrelated live weight data, carcass weight data, and slaughter rate data of individual pigs.

10. The intelligent device for automated measurement and collection of pre-slaughter body weight and post-slaughter carcass weight of pigs according to claim 9, characterized in that: The control unit includes a sway compensation module and a data association module; The sway compensation module is electrically connected to the laser sensor (28) and the second weighing sensor (49), and is configured to establish a sway trajectory model based on the sway frequency and amplitude data of different height parts of the carcass synchronously collected by the laser sensor (28), and to filter the original weight signal output by the second weighing sensor (49) to eliminate sway interference and output accurate carcass weight data. The data association module is electrically connected to the first reader (13), the second reader (35), the photoelectric switch (37), and the sway compensation module. It is configured to associate the live data and carcass data of the same pig individual according to a preset spatiotemporal matching algorithm based on the timestamp of the hook (43) recorded when the photoelectric switch (37) is triggered, the time when the first reader (13) reads the live body identifier, and the time when the second reader (35) reads the hook (43) identifier, and to verify the association results using the slaughter rate experience range.

Images