CN116831039A - Sorting device and method based on pig weight - Google Patents
Sorting device and method based on pig weight Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
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Abstract
The invention relates to the field of livestock breeding, in particular to a sorting device based on the weight of pigs, which mainly comprises a weighing device (22), a main channel (5), a heavy pig channel (8), a medium and light pig main channel (9), a medium pig channel (10) and a light pig channel (11), wherein the types of pigs are heavy, medium and light, and the sorting device is characterized in that: the weighing device (22) is arranged at the middle position of the main channel (5); the tail end of the main channel (5) is communicated with the heavy pig channel (8) and the medium and light pig main channel (9), the tail end of the medium and light pig main channel (9) is connected with the medium pig channel (10) and the light pig channel (11), and the tail ends of the heavy pig channel (8), the medium pig channel (10) and the light pig channel (11) are sequentially provided with a heavy pig house (15), a medium pig house (16) and a light pig house (17). The pig fattening house has the beneficial effects that the high-efficiency classification can be quickly carried out on the heavy and light conditions of pigs, and the pigs are correctly guided to corresponding pig houses, so that reasonable nutrition feed is given to the pigs, and the effect of quickly fattening the pigs of different categories is achieved.
Description
Technical Field
The invention relates to the field of livestock breeding, in particular to a sorting device and method based on pig weight.
Background
China is the largest pig production and consumption country in the world, and large-scale pig raising is an important way for improving the industrial efficiency and quality of pigs.
The large-scale pig raising needs to carry out classified management on pigs so as to improve the raising efficiency and slaughtering benefit. In general, pigs can only be classified according to body weight, and the following exemplify several situations in pig raising practice: piglets: piglets of less than 30 kg are weaned generally about 21 days after birth and then transferred into a nursery house. Nursery pigs: 30-70 kg of medium-weight pigs are generally kept in a nursery for 60-70 days and then transferred into a fattening house. Fattening pigs: the pigs with the weight of 70-120 kg and larger weight are generally kept in a fattening house for 90-120 days until reaching slaughter standards. The stages of piglets, nursery pigs and fattening pigs all involve grouping according to weight, otherwise, the pigs which can be dominant from the beginning are in dominant position when eating because the weight of the pigs is higher than that of other pigs. In addition, the pigs are classified according to the weight of the pigs, reasonable feed formulas and feeding modes can be formulated according to the growth characteristics and nutrition requirements of the pigs at different stages, the feed utilization rate and the growth speed are improved, effective sanitation management and immune measures are implemented, the mortality and morbidity are reduced, the feeding facilities and environmental conditions are optimized, and the stress response and damage phenomenon are reduced. Furthermore, the slaughtering time and the weight of commercial pigs can be controlled according to market demands and slaughtering standards, and the slaughtering rate and the meat quality are improved.
In China, intensive studies on measurement of pig weight are carried out, for example, publication No. CN115908251A, and a device and a control method for detecting weight in different growth stages in real time are disclosed. The device comprises: the data acquisition end is used for acquiring RGB-D data of the measured object in different growth stages and acquiring a plane image and structural depth information; the angle adjusting device is provided with a data acquisition end and is used for adjusting and controlling the vertical angle between the data acquisition end and the ground; the processing terminal is connected with the data acquisition terminal and is used for acquiring RGB images and calculating depth information to obtain weight data of the tested object in different growth stages; the control equipment is connected with the angle adjusting device and used for controlling the shooting angle of the angle adjusting device and transmitting the operation instruction to the processing terminal in a wireless transmission mode. The device provided by the invention can timely master the weight data of pigs in each growth stage in pig breeding, and can replace different kinds of feeds in real time for intervention.
Also, publication number CN116206342a discloses a pig weight detecting method, device, apparatus and storage medium, comprising: acquiring regional image data within a preset pig breeding region range, and identifying the number of pigs according to the regional image data; calculating pig raising density according to the pig number, and obtaining pig posture data and first body weight data according to the pig raising density; calculating second body weight data of the pig according to the posture data, comparing the first body weight data with the second body weight data, and determining the body weight correction quantity of the pig; based on image recognition, acquiring pig image data in real time, and monitoring the weight of all pigs according to the pig image data to obtain the characteristic recognition weight of each pig; and correcting the characteristic recognition weight through the pig weight correction amount to obtain the final weight of each pig. The invention solves the technical problems of low weight detection accuracy and low measurement efficiency of pigs in the prior art.
The above researches mainly focus on how to obtain the weight of pigs accurately, but no similar research exists on how to classify the weight values, but classification of pigs can be helpful for better providing a better raising environment for the pigs and improving the growth speed and health condition of the pigs.
Disclosure of Invention
The invention provides a classification method based on pig weight, which solves the problem of classification of pig farms according to pig growth conditions, avoids human intervention, and effectively prevents the problems of low efficiency and low automatic program in the pig classification process.
In order to achieve the above purpose, the invention provides a sorting device based on pig weight, which mainly comprises a weighing device (22), a main channel (5), a heavy pig channel (8), a medium and light pig main channel (9), a medium and light pig channel (10) and a light pig channel (11), wherein the types of pigs are heavy, medium and light, and the sorting device is characterized in that: the weighing device (22) is arranged at the middle position of the main channel (5); the tail end of the main channel (5) is communicated with a heavy pig channel (8) and a medium and light pig main channel (9), the tail end of the medium and light pig main channel (9) is connected with a medium pig channel (10) and a light pig channel (11), and the tail ends of the heavy pig channel (8), the medium pig channel (10) and the light pig channel (11) are sequentially provided with a heavy pig house (15), a medium pig house (16) and a light pig house (17); the heavy pig channel (8) corresponds to a heavy category in the pig classification, the medium-light pig main channel (9) corresponds to a medium category and a light category in the pig classification, the medium pig channel (10) corresponds to a medium category in the pig classification, and the light pig channel (11) corresponds to a light category in the pig classification;
the left side and the right side of the main channel (5) are provided with an RFID reader I (4) and an infrared probe (12) in pairs, the RFID reader I (4) is used for reading an ID number of a pig, and the left side of the RFID reader I (4) is provided with a screen door I (20) for controlling the opening and closing of the main channel (5); ,
the weighing device (22) mainly comprises a ground part (1), a weight sensor (2) and a weighing body cover plate (3), wherein the ground part (1) is positioned at the lowest end of the weighing device (22), the weighing body cover plate (3) is positioned at the uppermost end of the weighing device (22), the weight sensor (2) is positioned between the ground part (1) and the weighing body cover plate (3), the weighing body cover plate (3) is positioned in a main channel (5), two groups of infrared probes (12) are arranged at two ends of the weighing body cover plate (3) and are used for judging whether four limbs of pigs are fully stepped on the weighing body cover plate (3), and the length of the weighing body cover plate (3) is 3-5 meters;
the pig feed device is characterized in that the heavy pig channel (8), the medium and light pig main channel (9), the medium and light pig channel (10) and the light pig channel (11) are respectively provided with a pair of RFID readers II (18) for judging whether pigs enter the correct channel, and a screen door II (21) for controlling the opening and closing of the medium and light pig main channel (9) is arranged in the medium and light pig main channel (9).
Further, the pig classifying device further comprises a server (19) and a controller (14), wherein a classifying preset value is arranged in the server (19), and classifying judgment results are transmitted to the controller (14);
the controller (14) respectively controls states of the first classification door (6), the second classification door (7), the first screen-closing door (20) and the second screen-closing door (21) according to the judging result input by the server (19).
Further, the ground part (1) mainly comprises a foundation main body (1-1), a foundation groove (1-2) matched with the weighing cover plate (3) is formed in the middle of the foundation main body (1-1), a plurality of mounting holes (1-3) for mounting the weight sensor (2) are formed in the foundation groove (1-2), and the upper end of the weighing cover plate (3) is flush with the ground in the main channel (5).
Further, the weighing device (22) judges whether the four limbs of the pig are completely stepped on the weighing cover plate (3) through the shielding state of the infrared probe (12), so that the weight of the pig is measured, and the weight measuring method comprises the following steps:
when the pig only touches the left infrared probe (12), the body of the pig only shields the left infrared probe (12), and the pig only starts to step on the scale cover plate (3) but does not step on the scale cover plate (3);
when the left infrared probe (12) is not shielded again, the pig is fully stepped on the balance cover plate (3) at the moment, the weight of the pig begins to be recorded, and the weighing device (22) records real-time weight values at intervals of a certain time in order to ensure accurate reading of the weighing device (22) because the pig is always in motion, the weight measuring device (22) is a first stepThe weight value of the secondary record is；
When the pig only shields the right infrared probe (12), the pig only leaves the weighing device (22), and the pig only stops recording the weight of the pig at the moment, and the calculation formula of the specific pig only weight is as follows:
wherein ,the final weight value recorded for pigs, n is the number of times weight was recorded,is the firstWeight values recorded a second time.
Further, the pig ID number acquired by the RFID reader I (4) and the weight value acquired by the weight sensor (2) are correlated and stored in the data memory (13), corresponding information is input into the server (19) in real time by the data memory (13), the server (19) compares the weight value with a classification preset value, the classification result is obtained by judging that the pig belongs to the classification, the server (19) transmits the classification result into the controller (14), the controller (14) controls the opening and closing states of the classification door I (6) and the classification door II (7) according to the received information, and the time interval recorded by the weighing device (22) is 0.1 second.
Further, when pigs pass through the heavy pig channel (8), the medium and light pig main channel (9), the medium and light pig channels (10) and (11), the RFID reader II (18) in the pig feed back the obtained pig ID number to the server (19) for judging whether the pigs enter the correct channel.
The invention also provides a classification method based on the weight of pigs, which is characterized in that: the classifying method comprises the following steps:
s201, waiting for pigs to enter, wherein the first screen closing door (20) and the second screen closing door (21) are in an open state, the first classification door (6) and the second classification door (7) are in an intermediate state, and a heavy, medium and light classification preset value is set in a server (19);
s202, classifying and judging pigs, wherein the pigs enter a main channel (5), after passing through an RFID reader I (4), the RFID reader I (4) acquires an ID number of the pigs, a screen door I (20) is closed to prevent the later pigs from pushing the pigs, when the pigs pass through a weighing device (22), the weighing device (22) correlates and stores the weight value of the pigs and the ID number of the pigs acquired by the RFID reader I into a data memory (13), the data memory (13) transmits the data to a server (19) in real time, and the server (19) gives classification results according to the weight value combination classification preset value of the pigs;
s203, controlling a channel and a classification gate, wherein the server (19) transmits a pig classification result to the controller (14), and the controller (14) opens a corresponding classification gate I (6) and a classification gate II (7) according to the classification result;
s204, entering a correct channel according to a classification result, after a pig passes through a main channel (5) and enters the correct channel according to the opening state of a first classification gate (6), wherein the correct channel is a channel corresponding to the classification result, an RFID reader II (18) in the correct channel acquires the ID number of the pig and transmits the ID number to a server (19), and the server (19) sends an instruction of opening a first screen closing gate (20) to the controller (14) so that the next pig can enter a classification judgment process only from the main channel (5);
s205, a control process of the middle and light pigs is performed, when the pigs are classified as middle and light pigs, after the pigs enter a middle and light pig main channel (9), the pigs pass through an RFID reader II (18) in the middle and light pig main channel (9), the RFID reader II (18) acquires the ID numbers of the pigs and transmits the ID numbers to a server (19), the server (19) sends an instruction of closing a screen door II (21) to the controller (14), and when the pigs pass through the RFID reader II (18) in a middle pig channel (10) or a light pig channel (11), the RFID reader II (18) transmits the ID numbers of the pigs to the server (19), and the server (19) sends an instruction of opening the screen door II (21) to the controller (14) so that the next pigs enter the middle and light classification control process from the middle and light pig main channel (9).
The beneficial effects of the invention are as follows:
1. the weight value of the pig can be rapidly and accurately measured by adopting the weighing device (22) to be matched with the infrared probe (12);
2. the pigs can be classified rapidly through the classification preset value in the server (19), and the automatic classification of the pigs is realized through the control of the server (19) and the controller (14), so that the human intervention is reduced, the stress on the pigs can be reduced, and the spreading risk of epidemic diseases is also reduced;
3. when storing image data, the data memory (13) correlates the pig ID number read by the main channel (5) with the weight value acquired by the weighing device (22), so that data preparation can be provided for classifying pigs by the server (19) and controlling the classification door I (6), the classification door II (7), the screen door I (20) and the screen door II (21);
4. by arranging the first screen closing door (20) and the second screen closing door (21), overlapping of pigs and entering into an incorrect classification channel caused by pushing of the pigs can be avoided;
5. through a sorting unit based on pig weight, can be quick carry out the high-efficient classification to the heavy and light condition of pig, the correct guide is to corresponding pig house to give reasonable nutrition fodder to the pig, reach the effect of fattening fast to different types of pigs.
Drawings
FIG. 1 is a schematic diagram of a pig sorting apparatus;
FIG. 2 is a diagram of electrical connections for a pig sorting apparatus;
FIG. 3 is a schematic view of the structure of the weighing device (22);
fig. 4 is a schematic structural view of the ground part (1);
fig. 5 is a flow chart of a sorting method based on pig weight.
1: ground part, 2: weight sensor, 3: weighing a cover plate, and 4: RFID reader one, 5: main channel, 6: classification gate one, 7: classification gate two, 8: heavy pig channel, 9: main channel of medium and light pigs, 10: middle pig channel, 11: light pig channel, 12: infrared probe, 13: data memory, 14: controller, 15: heavy pigsty, 16: pig house, 17: light pig house, 18: RFID reader two, 19: server, 20: screen door one, 21: screen door two, 22: weighing device, 1-1: foundation main body, 1-2: foundation groove, 1-3: and (5) mounting holes.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments.
The invention provides a sorting device based on pig weight, which mainly comprises a weighing device (22), a main channel (5), a heavy pig channel (8), a medium and light pig main channel (9), a medium and light pig channel (10) and a light pig channel (11), wherein an RFID reader I (4) and an infrared probe (12) are arranged on the left side and the right side of the main channel (5) in pairs, the RFID reader I (4) is used for reading pig ID numbers, a screen door I (20) is arranged on the left side of the RFID reader I (4) and is used for ensuring that the current pig is correctly guided into a designated channel through the sorting door I (6) and then is put into the next pig.
Wherein the weighing device (22) mainly comprises a ground part (1), a weight sensor (2) and a weighing cover plate (3), wherein the ground part (1) is positioned at the lowest end, the ground part (1) mainly comprises a foundation main body (1-1), a foundation groove (1-2) matched with the weighing cover plate (3) is arranged in the middle of the foundation main body (1-1), and a plurality of mounting holes (1-3) for mounting the weight sensor (2) are arranged in the foundation groove (1-2). The weighing device (22) is arranged in the middle of the main channel (5), and the upper end of the weighing cover plate (3) is level with the ground in the main channel (5).
Wherein title body apron (3) are located main passageway (5), are equipped with two sets of infrared probe (12) at the both ends of title body apron (3), shelter from the state through infrared probe (12), judge whether four limbs of pig step on title body apron (3) completely, and specific judgement process is as follows:
when the pig only touches the left infrared probe (12), the pig only body shields the left infrared probe (12), namely, the pig only starts to step on the scale cover plate (3), but does not step on the scale cover plate (3), when the left infrared probe (12) is not shielded, the pig only steps on the scale cover plate (3), the weight of the pig only starts to be recorded, and the weighing device (22) records real-time weight once at certain time intervals, preferably 0.1 second, in order to ensure accurate reading, because the pig only is always in the dynamic stateThe weight value of the secondary record isThe method comprises the steps of carrying out a first treatment on the surface of the When pigs only search the right side by infraredWhen the head (12) is blocked, the pig is indicated to leave the weighing device (22), and the recording of the weight of the pig is stopped at the moment, and the calculation formula of the specific weight of the pig is as follows:
(one)
wherein ,the final weight value recorded for pigs, n is the number of times weight was recorded,is the firstWeight values recorded a second time.
As shown in fig. 1, the heavy pig channel (8), the middle and light pig main channels (9), the middle and light pig channels (10) and (11) are respectively provided with a pair of RFID readers II (18) for judging whether the pigs enter the correct channels. The tail ends of the heavy pig channel (8), the middle pig channel (10) and the light pig channel (11) are sequentially provided with a heavy pig house (15), a middle pig house (16) and a light pig house (17), and a screen door two (21) is arranged in the middle and light pig main channel (9) and used for ensuring that the current pig only enters the correct channel and then is put into the next pig only to pass through the sorting door two (7).
As shown in fig. 2, the control part of the pig classifying device is characterized in that the first RFID reader (4) and the weight sensor (2) are used for correlating the acquired pig ID number with the weight value, the information of the first RFID reader and the weight value is stored in the data memory (13), the corresponding information is input into the server (19) in real time by the data memory (13), the weight value ranges of pigs entering the heavy pig house (15), the medium pig house (16) and the light pig house (17) are arranged in the server (19), namely, the weight values of the pigs corresponding to the heavy, medium and light pigs are determined according to the weight value acquired by the weight sensor (2), the control signal is transmitted into the controller (14), and the controller (14) controls the opening and closing states of the first classifying gate (6) and the second classifying gate (7) according to the received information.
When pigs pass through the heavy pig channel (8), the medium and light pig main channel (9), the medium and light pig channels (10) and (11), the acquired pig ID numbers are fed back to the server (19) by the RFID reader II (18) in the pig channel.
Through pig sorting unit, can carry out the correct classification with the pig according to weight to reduce human intervention, improve pig classification efficiency.
In combination with the above description, the following is a specific use procedure of the present invention:
when a pig only advances along the main channel (5), an ID number of the pig is acquired through the RFID reader I (4), at the moment, the screen door I (20) is closed to prevent the rear pig from pushing the pig, when the body of the pig only shields the left infrared probe (12), namely the pig only starts to step on the weighing cover plate (3), when the left infrared probe (12) is not shielded again, the pig only is completely stepped on the weighing cover plate (3), at the moment, the weight of the pig is recorded, and the weighing device (22) records the real-time weight once at intervals; when the pig shields the right infrared probe (12), the pig is indicated to leave the weighing device (22), the recording of the pig weight is stopped, and the pig weight is calculated through a formula (I). The length of the weighing cover plate (3) is 3-5 meters, which is larger than the length of the pig, so that the pig can be ensured to tread on the weighing cover plate (3) completely and stay for a period of time.
Then, the information acquired by the RFID reader I (4) and the weighing device (22) is stored in the data memory (13), the data acquired in real time are transmitted into the server (19) by the data memory (13), the pigs are classified by presetting weight value range values of the pigs in the server (19), and then the information of the classification result of the pigs is transmitted into the controller (14), then the controller (14) opens the corresponding classification door I (6) and classification door II (7) according to the class of the pigs, and specific control instructions of the controller (14) are shown in the following table 1:
table 1 controller specific control instructions for class one and class two
| Pig class | Classifying door one (6) state | Classifying gate two (7) states |
| Heavy weight | Downward | Intermediate part |
| In (a) | Up | Downward |
| Light weight | Up | Up |
For example, when fattening and classifying commercial pigs, the preset classification values in the server (19) are as follows: the weight of the pig is greater than 70kg, 60-70kg is medium, and less than 60kg is light.
If the current pigs were passed through the weighing device (22) once every 0.1 seconds for a total of 5 measurements, the weight measurements are shown in Table 2:
TABLE 2 dynamic weight measurement of weighing device (22) as it passes through
| Number of times | 1 | 2 | 3 | 4 | 5 |
| Measurement value | 72.07 | 72.42 | 71.98 | 71.59 | 72.65 |
The calculation process is as follows:
when the pig is classified as heavy, the first classifying gate (6) is in a downward state, the second classifying gate (7) is in an intermediate state, the pig only goes forward along the heavy pig channel (8), when the pig only passes through the second RFID reader (18) in the heavy pig channel (8), the second RFID reader (18) reads the ID number of the pig, the information of the pig is uploaded into the server (19), the server (19) judges that the pig only enters the correct classification according to the information, the first screen closing gate (20) is opened again at the moment, the next pig is put into classification, and the pig only enters the heavy pig house (15) along the heavy pig channel (8).
For example, if the weight value of the current pig is 65kg, the server (19) judges that the pig is classified into a right channel, the first classifying gate (6) is in an upward state, the pig is classified along the middle-light pig main channel (9), the second classifying gate (21) is in an open state, when the pig passes through the second RFID reader (18) in the middle-light pig main channel (9), the second RFID reader (18) reads the ID number of the pig, the information is uploaded to the server (19), the server (19) judges that the pig is in the right channel according to the information, the first classifying gate (20) is opened again, the second classifying gate (21) is closed, the next pig is classified, the second classifying gate (7) is in a downward state, the pig is in the middle-pig house (16) along the middle-pig channel (10), when the pig passes through the second RFID reader (18) in the middle-light pig main channel (9), the second RFID reader (18) reads the ID number of the pig, the second RFID reader (18) is conveniently placed in the second pig channel (14), the second information is conveniently placed in the control channel (14), and the second information is transmitted to the server (19) to the right channel (14).
To further clarify the above procedure, a classification method based on pig weight is now summarized as follows, as shown in fig. 5:
s201, waiting for pigs to enter, wherein the first screen door (20) and the second screen door (21) are in an open state, the first classification door (6) and the second classification door (7) are in an intermediate state, and a heavy, medium and light classification preset value is set in the server (19);
s202, classifying and judging pigs, wherein the pigs enter a main channel (5), after passing through an RFID reader I (4), the RFID reader I (4) acquires an ID number of the pigs, a screen door I (20) is closed to prevent the later pigs from pushing the pigs, when the pigs pass through a weighing device (22), the weighing device (22) correlates and stores the weight value of the pigs and the ID number of the pigs acquired by the RFID reader I (4) into a data memory (13), the data memory (13) transmits the data to a server (19) in real time, and the server (19) combines classification preset values according to the weight value of the pigs to give classification results;
s203, controlling the channel and the classification gate, wherein the server (19) transmits the pig classification result to the controller (14), and the controller (14) opens the corresponding classification gate I (6) and classification gate II (7) according to the classification result;
s204, entering a correct channel according to a classification result, after pigs only pass through the main channel (5), entering the correct channel according to the opening state of the first classification gate (6), wherein the correct channel is a channel corresponding to the classification result, as shown in fig. 1, the correct channel is a heavy pig channel (8) and a medium and light pig main channel (9) which are connected at the tail end of the main channel (5), an RFID reader II (18) in the correct channel acquires an ID number of the pigs and transmits the ID number to a server (19), and the server (19) sends an instruction for opening the first screen closing gate (20) to the controller (14) so that the next pig only enters a classification judgment process from the main channel (5);
s205, in the control process of the middle and light sorting of pigs, if the pigs are sorted into middle or light pigs, after the pigs enter the middle and light pigs main channel (9), the second RFID reader (18) acquires the ID number of the pigs and transmits the ID number to the server (19), the server (19) sends an instruction of closing the second screen closing door (21) to the controller (14), when the pigs only enter the middle and light pigs main channel (10) or the second RFID reader (18) in the light pigs main channel (11), the second RFID reader (18) transmits the ID number of the pigs into the server (19), and the server (19) sends an instruction of opening the second screen closing door (21) to the controller (14) so that the next pigs enter the middle and light sorting control process from the middle and light pigs main channel (9).
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. Sorting unit based on pig only weight mainly includes weighing device (22), main passageway (5), heavy pig passageway (8), well light pig main passageway (9), well pig passageway (10) and light pig passageway (11), and the class of pig only is heavy, well, light three kinds, its characterized in that: the weighing device (22) is arranged at the middle position of the main channel (5); the tail end of the main channel (5) is communicated with a heavy pig channel (8) and a medium and light pig main channel (9), the tail end of the medium and light pig main channel (9) is connected with a medium pig channel (10) and a light pig channel (11), and the tail ends of the heavy pig channel (8), the medium pig channel (10) and the light pig channel (11) are sequentially provided with a heavy pig house (15), a medium pig house (16) and a light pig house (17); the heavy pig channel (8) corresponds to a heavy category in the pig classification, the medium-light pig main channel (9) corresponds to a medium category and a light category in the pig classification, the medium pig channel (10) corresponds to a medium category in the pig classification, and the light pig channel (11) corresponds to a light category in the pig classification;
the left side and the right side of the main channel (5) are provided with an RFID reader I (4) and an infrared probe (12) in pairs, the RFID reader I (4) is used for reading an ID number of a pig, and the left side of the RFID reader I (4) is provided with a screen door I (20) for controlling the opening and closing of the main channel (5); ,
the weighing device (22) mainly comprises a ground part (1), a weight sensor (2) and a weighing body cover plate (3), wherein the ground part (1) is positioned at the lowest end of the weighing device (22), the weighing body cover plate (3) is positioned at the uppermost end of the weighing device (22), the weight sensor (2) is positioned between the ground part (1) and the weighing body cover plate (3), the weighing body cover plate (3) is positioned in a main channel (5), two groups of infrared probes (12) are arranged at two ends of the weighing body cover plate (3) and are used for judging whether four limbs of pigs are fully stepped on the weighing body cover plate (3), and the length of the weighing body cover plate (3) is 3-5 meters;
the pig feed device is characterized in that the heavy pig channel (8), the medium and light pig main channel (9), the medium and light pig channel (10) and the light pig channel (11) are respectively provided with a pair of RFID readers II (18) for judging whether pigs enter the correct channel, and a screen door II (21) for controlling the opening and closing of the medium and light pig main channel (9) is arranged in the medium and light pig main channel (9).
2. A sorting apparatus according to claim 1, characterised in that: the pig classifying device further comprises a server (19) and a controller (14), wherein a classifying preset value is arranged in the server (19), and classifying judgment results are transmitted to the controller (14);
the controller (14) controls states of a first classification gate (6), a second classification gate (7), a first screen-closing gate (20) and a second screen-closing gate (21) according to classification judgment results transmitted by the server (19).
3. A sorting apparatus according to claim 2, characterised in that: the ground part (1) mainly comprises a foundation main body (1-1), a foundation groove (1-2) matched with the weighing cover plate (3) is formed in the middle of the foundation main body (1-1), a plurality of mounting holes (1-3) for mounting the weight sensors (2) are formed in the foundation groove (1-2), and the upper end of the weighing cover plate (3) is flush with the ground in the main channel (5).
4. A pig weight based sorting apparatus according to claim 3, wherein: the weighing device (22) judges whether the four limbs of the pig are completely stepped on the weighing cover plate (3) or not through the shielding state of the infrared probe (12), so that the weight of the pig is measured, and the weight measuring method comprises the following steps:
when the pig only touches the left infrared probe (12), the body of the pig only shields the left infrared probe (12), and the pig only starts to step on the scale cover plate (3) but does not step on the scale cover plate (3);
when the left infrared probe (12) is not shielded again, the pig is fully stepped on the balance cover plate (3) at the moment, the weight of the pig begins to be recorded, and the weighing device (22) records real-time weight values at intervals of a certain time in order to ensure accurate reading of the weighing device (22) because the pig is always in motion, the weight measuring device (22) is a first stepThe weight value recorded was +.>；
When the pig only shields the right infrared probe (12), the pig only leaves the weighing device (22), and the pig only stops recording the weight of the pig at the moment, and the calculation formula of the specific pig only weight is as follows:
wherein ,for the final weight value recorded for pigs, n is the number of times weight value is recorded, +.>Is->Weight values recorded a second time.
5. A pig weight based sorting apparatus according to claim 4, wherein: the method comprises the steps of correlating a pig ID number acquired by a first RFID reader (4) with a weight value acquired by a weight sensor (2), storing the pig ID number and the weight value into a data memory (13), inputting corresponding information into a server (19) by the data memory (13) in real time, comparing the weight value with a classification preset value by the server (19), judging that a pig belongs to a category to obtain a classification result, transmitting the classification result into a controller (14) by the server (19), controlling the opening and closing states of a first classification door (6) and a second classification door (7) by the controller (14) according to the received information, and recording time intervals of 0.1 second by a weighing device (22) at intervals.
6. A pig weight based sorting apparatus according to claim 5, wherein: when pigs only pass through the heavy pig channel (8), the medium and light pig main channel (9), the medium and light pig channel (10) and the light pig channel (11), the RFID reader II (18) in the pig feed back the acquired pig ID number to the server (19) so as to judge whether the pigs only enter the correct channel.
7. A classification method based on pig weight is characterized in that: comprising a sorting device based on pig weight according to claim 6, said sorting method comprising the steps of:
s201, waiting for pigs to enter, wherein the first screen closing door (20) and the second screen closing door (21) are in an open state, the first classification door (6) and the second classification door (7) are in an intermediate state, and a heavy, medium and light classification preset value is set in a server (19);
s202, classifying and judging pigs, wherein the pigs enter a main channel (5), after passing through an RFID reader I (4), the RFID reader I (4) acquires an ID number of the pigs, a screen door I (20) is closed to prevent the later pigs from pushing the pigs, when the pigs pass through a weighing device (22), the weighing device (22) correlates and stores the weight value of the pigs and the ID number of the pigs acquired by the RFID reader I into a data memory (13), the data memory (13) transmits the data to a server (19) in real time, and the server (19) gives classification results according to the weight value combination classification preset value of the pigs;
s203, controlling a channel and a classification gate, wherein the server (19) transmits a pig classification result to the controller (14), and the controller (14) opens a corresponding classification gate I (6) and a classification gate II (7) according to the classification result;
s204, entering a correct channel according to a classification result, after a pig passes through a main channel (5) and enters the correct channel according to the opening state of a first classification gate (6), wherein the correct channel is a channel corresponding to the classification result, an RFID reader II (18) in the correct channel acquires the ID number of the pig and transmits the ID number to a server (19), and the server (19) sends an instruction of opening a first screen closing gate (20) to the controller (14) so that the next pig can enter a classification judgment process only from the main channel (5);
s205, a control process of the middle and light pigs is performed, when the pigs are classified as middle and light pigs, after the pigs enter a middle and light pig main channel (9), the pigs pass through an RFID reader II (18) in the middle and light pig main channel (9), the RFID reader II (18) acquires the ID numbers of the pigs and transmits the ID numbers to a server (19), the server (19) sends an instruction of closing a screen door II (21) to the controller (14), and when the pigs pass through the RFID reader II (18) in a middle pig channel (10) or a light pig channel (11), the RFID reader II (18) transmits the ID numbers of the pigs to the server (19), and the server (19) sends an instruction of opening the screen door II (21) to the controller (14) so that the next pigs enter the middle and light classification control process from the middle and light pig main channel (9).
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| CN202311054066.4A CN116831039A (en) | 2023-08-21 | 2023-08-21 | Sorting device and method based on pig weight |
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| CN202311054066.4A CN116831039A (en) | 2023-08-21 | 2023-08-21 | Sorting device and method based on pig weight |
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