Intelligent feeding device and method for live pig breeding industry
Technical Field
The invention relates to the technical field of live pig breeding industry, in particular to an intelligent breeding device and a breeding method for the live pig breeding industry.
Background
With the continuous development of the breeding industry, the scale of the breeding quantity of the live pigs is enlarged, but as the captive scale of the swinery is continuously increased, the required labor amount and the work of the breeding industry are increased continuously, no matter the feeding is carried out, the cleaning is carried out by manual treatment, and an intelligent device is required to be used for assisting the live pig breeding work, so that the manual demand and the work amount are reduced.
The feeding work during the current live pig breeding period usually needs manual work to make time adjustment according to the growth and age of the pig, and the feeding work is carried out on the pig according to the adjusted time, although the mode well ensures the high-quality growth of the live pig, the mode has great requirements on the artificial work and rest time and workload, so that the physical consumption and inconvenience of breeding personnel are increased, the manual work is difficult to control the amount of the feed, and the normal growth of the pig is also influenced when the feed is too much or too little; before the feed is put into a feed for feeding, the feed is usually stirred uniformly and uniformly to ensure that the live pigs can be fed safely, however, the common feed stirring work efficiency is low, the uniformity is difficult to ensure, the normal feeding of the affected pigs is affected, and the stirring device needs to be cleaned after the feed is stirred, the existing cleaning work is usually completed manually, so that the work flow of operators is increased, and the work efficiency of live pig breeding is reduced; during live pig breeding, excrement of pigs is difficult to clean, a large amount of excrement is easily concentrated in a pigsty to generate peculiar smell, and the difficulty and the manual demand of live pig breeding work are increased.
Disclosure of Invention
The invention aims to provide an intelligent feeding device and a feeding method for pig breeding industry, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: comprises a frame body, wherein the bottom of the frame body is provided with mounting grooves which are mutually connected, the bottoms of two sides of the frame body are provided with feeding units, the tops of two groups of feeding units are provided with U-shaped water tanks, the bottom of the U-shaped water tank at the same side is provided with a first water pump which is mutually communicated with the feeding units, one side of the top of the U-shaped water tank is provided with a second water pump, the output end of the second water pump is provided with a flow guide pipe, the output ends of the two groups of first water pumps are provided with water guide pipes, the sides of the two groups of feeding units, which are mutually far away from each other, are provided with inclined slide ways, the middle position of the front end of the two groups of feeding units is provided with a water feeding tank, the top of the frame body is provided with a stirring tank, two sides of the bottom of the stirring tank are provided with discharge valves which are mutually communicated, the output ends of the two groups of discharge valves are provided with inclined guide pipes which extend to the interior of the feeding units, and two groups of the feeding units are provided with fixing grooves, the tops of the two groups of fixed grooves are provided with first sliding grooves, the inner sides of the two groups of first sliding grooves are provided with first sliding blocks which are matched with each other, the bottoms of the two groups of first sliding blocks are provided with striking plates, the bottoms of the two groups of fixed grooves are hinged with hinged plates, the tops of the two groups of striking plates, which are close to each other, are provided with second sliding grooves, the inner sides of the two groups of second sliding grooves are provided with second sliding blocks which are matched with each other, the second sliding blocks are hinged with the hinged plates, springs connected with the second sliding grooves are arranged at the bottoms of the two groups of second sliding blocks, contact blocks are arranged at the tops of the two groups of striking plates close to one side, inductors corresponding to the contact blocks are arranged at the tops of the two groups of fixed grooves close to one side, the inside both sides of mounting groove are equipped with the direction and absorb the subassembly, one side at stirred tank top is equipped with fodder stirring subassembly, the top of mounting groove is equipped with the control unit.
Preferably, the inside both sides of direction absorption subassembly are equipped with the suction fan, and are two sets of the output of suction fan is equipped with inhales the material mouth, the bottom of support body both sides one end is seted up and is inhaled the material mouth and correspond each other's guide platform, and is two sets of one side that the suction fan is close to each other is equipped with communicating pipe, and is two sets of the back one end of communicating pipe is equipped with the passage of mutual intercommunication.
Preferably, one side at fodder stirring subassembly top is equipped with driving motor, driving motor's output is equipped with the gear, the top cover of stirred tank is equipped with the sleeve pipe, the top in the sleeve pipe outside is equipped with the fluted disc, the inside bottom of sleeve pipe is equipped with hemisphere water conservancy diversion seat, the inside top of hemisphere water conservancy diversion seat all is equipped with the spiral puddler with the sheathed tube bottom, the intermediate position department of sleeve pipe outside both sides is equipped with the linking arm, the bottom of sleeve pipe outside both sides is equipped with the stirring leaf, and is two sets of one side that linking arm and stirring leaf kept away from each other is equipped with interconnect's the brush board of scraping.
Preferably, the edge at agitator tank top is equipped with annular framework, and the intermediate position department at annular framework top is equipped with the feed inlet, and the feed inlet corresponds with sheathed tube inside each other, the intermediate position department at agitator tank top is equipped with the bearing frame, and bearing frame and sleeve pipe interconnect, the edge at the inside top of agitator tank is equipped with annular guide slot, and the inboard symmetry of annular guide slot is equipped with the guide block, and the one side that the guide block is close to each other is equipped with the fixed plate with sleeve pipe interconnect, the bottom of agitator tank back one end is equipped with the drain valve, and the bottom of drain valve is equipped with the drainage pipe.
Preferably, it is two sets of raise one side that the unit openly one end was kept away from each other and seted up the opening, and the opening mutually supports with oblique type slide, and is two sets of the bottom of aqueduct is equipped with and feeds the inside delivery port that corresponds the complex each other of basin.
Preferably, two sets of one side that the bleeder valve is close to each other is equipped with the time-recorder, and two sets of one side that the type pipe is kept away from each other to the slope is equipped with the bin outlet, and the bin outlet extends to the inside of raising the unit and corresponds the cooperation each other with the type slide to the slope.
Preferably, two sets of the striking plate one side of keeping away from each other is equipped with the mounting panel, and the surface coating of mounting panel has the fodder sign.
Preferably, it is two sets of one side that the direction platform top is close to each other is equipped with the locating area, and the locating area with inhale the material mouth and correspond each other, the back one end of passage is equipped with the row's of mutual intercommunication material pipe, and the top of arranging the material pipe is equipped with the blast pipe of mutual intercommunication, and the top of blast pipe is equipped with activated carbon adsorption tank and gas vent.
Preferably, two sets of scrape one side that the brush board kept away from each other evenly arranges and is equipped with the brush cleaner, and is two sets of the both ends of stirring leaf are evenly arranged and are equipped with the toper piece, four groups of row's material through-holes have been seted up to the bottom in the sleeve pipe outside, and arrange the material through-hole and mutually support with hemisphere water conservancy diversion seat.
A feeding method of an intelligent feeding device for pig breeding industry comprises the following steps:
step one; during the live pig breeding work, firstly, the U-shaped water tank is filled with water liquid, then feed to be fed is put into the feed inlet, the control unit controls the driving motor to start, the gear and the fluted disc are driven to be meshed with each other along with the starting of the driving motor, the fluted disc is forced to drive the sleeve, the two groups of scraping and brushing plates, the stirring blades and the spiral stirring rod to integrally rotate, then the feed entering the sleeve is pre-stirred under the rotation of the spiral stirring rod, meanwhile, the material flowing in the sleeve is directly enabled to fly out of the stirring tank under the matching of the discharge through hole by utilizing the guiding matching of the hemispherical flow guide seat, and then the stirring and mixing work can be carried out through the two groups of scraping and brushing plates, the stirring blades and the spiral stirring rod below the sleeve;
step two; after the feed in the stirring tank is stirred, the feed can be respectively guided into the inclined slide ways under the circulation of the inclined guide pipes by the starting of the two groups of discharge valves, the feed is discharged out of the culture units of the feeding units through the flow of the inclined slide ways, the feed can be simultaneously replenished to the two groups of feeding units, the water stored in the U-shaped water tank can be pumped out by the starting of the two groups of first water pumps and is guided into the water feeding tank through the water guide pipes, and the water can be simultaneously replenished to the two groups of feeding units;
step three; when the live pigs need to eat, the live pigs can be impacted according to the prompt of a feed mark arranged on the surface of the impact plate, when the impact plate is impacted and extruded, the first sliding block and the first sliding groove can slide in a guiding way, and the hinged joint of the hinged plate and the second sliding block and the second sliding groove can move in a limiting way, and meanwhile, the spring is forced to stretch along with the movement of the second sliding block in the second sliding groove, at the moment, the contact block can be driven to be contacted with the inductor by utilizing the integral movement of the impact plate, after the inductor is contacted and sensed, the discharge valve can be automatically started through the control unit, the discharge valve is driven to be opened for a specified time under the coordination of the timer to guide out the feed, so that the live pigs in the two feeding units can be automatically fed without the specification of an operator, and when the impact plate has no extrusion force, the impact plate is driven to reset through the elastic restoring force of the spring;
step four; when the excrement that needs were enclosed the live pig is cleared up, can concentrate and sweep into the direction platform top with the excrement in two sets of feeding unit, start the suction fan through the control unit this moment, utilize the suction fan and inhale the cooperation absorption of material mouthful, discharge the collection with the excrement from the leading-in passage of communicating pipe fast to the excrement of collecting fast in two sets of feeding unit encloses handles.
Compared with the prior art, the invention provides an intelligent feeding device and a feeding method for live pig breeding industry, which have the following beneficial effects:
1. the invention can supply auxiliary work to two groups of captive units through the integration of the frame body, the stirring tank and two groups of feeding units, can use two groups of water feeding tanks and the inclined slideway to supply drinking water and food of pigs intelligently, does not need to feed the pigs manually according to the feeding time requirement of the live pigs, effectively reduces the physical consumption of the breeding personnel, increases the operability and the convenience of the live pig breeding work, and under the corresponding matching of the contact block and the inductor, promotes the live pigs to impact according to the prompt of the feed marks on the surface of the impact plate when needing to feed, promotes the contact block to contact with the inductor mutually, at the moment, the discharge valve can be automatically opened through the induction of the inductor, the feed stored in the stirring tank can be automatically led out, the automatic feeding and eating efficacy of the live pigs at every moment can be achieved, the feed and food supplying function can be mutually combined with the remote control of the operator, the intelligence of the device is greatly improved, and the breeding effect of the live pigs is enhanced.
2. The invention utilizes the mutual matching of the feed stirring components to facilitate the feed entering the stirring tank to be uniformly stirred under the stirring matching of the two groups of scraping and brushing plates, the stirring blades and the spiral stirring rod, can simultaneously supply the feed to the two groups of feeding units and the inclined slideway, increases the functionality of the device and the feeding efficiency of live pigs, can draw out water liquid stored in the U-shaped water tank into the guide sleeve and the stirring tank under the matching of the second water pump and the guide pipe during subsequent cleaning, is mutually combined with the operated stirring structure, and further automatically cleans the stirring tank, subtracts the working flow of manual scraping and cleaning of an operator, and scrapes and brushes the inside of the stirring tank by the cleaning brush arranged outside the two groups of scraping and brushing plates to prevent waste materials from being adhered to the inner wall of the stirring tank, thereby further improving the cleaning effect in the stirring tank.
3. The guide absorption assemblies are matched with each other, excrement in the two groups of pigsty can be concentrated towards the guide table, the excrement is quickly discharged and collected under the flow guide of the material guide pipe by being matched with the absorption of the suction fan, and meanwhile, peculiar smell is purified under the matching of the activated carbon adsorption box, so that the convenience of excrement cleaning work of the pig breeding industry is improved, and the excrement collecting and treating efficiency is accelerated.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is a first front cross-sectional view of the present invention;
FIG. 4 is a second front cross-sectional view of the present invention;
FIG. 5 is an enlarged view taken at A of FIG. 3 according to the present invention;
FIG. 6 is an enlarged view of FIG. 4 at B according to the present invention;
FIG. 7 is a perspective view of the guide table of the present invention;
fig. 8 is a perspective view of the cannula of the present invention.
In the figure: 1. a frame body; 2. mounting grooves; 3. a stirring tank; 301. a drive motor; 302. a gear; 303. a fluted disc; 304. a sleeve; 305. a helical agitator shaft; 306. a connecting arm; 307. a scraping and brushing plate; 308. a hemispherical flow guide seat; 309. stirring blades; 4. a water feeding tank; 5. an inclined slide way; 6. a feeding unit; 7. a water conduit; 8. a first water pump; 9. a U-shaped water tank; 10. a second water pump; 11. a flow guide pipe; 12. a control unit; 13. a material guide pipe; 131. a guide table; 132. a material sucking port; 133. a suction fan; 134. a communicating pipe; 14. a discharge valve; 15. a tapered conduit; 16. fixing grooves; 17. an inductor; 18. a first chute; 19. a first slider; 20. a contact block; 21. an impact plate; 22. a second chute; 23. a second slider; 24. a spring; 25. a hinge plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: an intelligent feeding device and a feeding method for pig breeding industry, which comprises a frame body 1, wherein the bottom of the frame body 1 is provided with mounting grooves 2 which are mutually connected, the bottoms of two sides of the frame body 1 are provided with feeding units 6, the tops of two groups of feeding units 6 are provided with U-shaped water tanks 9, the bottoms of two sides of the U-shaped water tanks 9 are provided with first water pumps 8 which are mutually communicated, one side of the top of the U-shaped water tank 9 is provided with a second water pump 10, the output end of the second water pump 10 is provided with a flow guide pipe 11, the output ends of two groups of first water pumps 8 are provided with water guide pipes 7, the sides of two groups of feeding units 6 which are mutually far away are provided with inclined slide ways 5, the middle position of the front ends of the two groups of feeding units 6 is provided with a water feeding tank 4, the top of the frame body 1 is provided with a stirring tank 3, two sides of the bottom of the stirring tank 3 are provided with discharge valves 14 which are mutually communicated, the output ends of the two groups of the discharge valves 14 are provided with inclined guide pipes 15 which extend to the feeding units 6, two sides of two groups of feeding units 6 are provided with fixed grooves 16, the tops inside the two groups of fixed grooves 16 are provided with first sliding grooves 18, the inner sides of the two groups of first sliding grooves 18 are provided with first sliding blocks 19 which are matched with each other, the bottoms of the two groups of first sliding blocks 19 are provided with striking plates 21, the bottoms inside the two groups of fixed grooves 16 are hinged with hinged plates 25, the tops of the two groups of striking plates 21 which are close to one side each other are provided with second sliding grooves 22, the inner sides of the two groups of second sliding grooves 22 are provided with second sliding blocks 23 which are matched with each other, the second sliding blocks 23 are hinged with the hinged plates 25, the bottoms of the two groups of second sliding blocks 23 are provided with springs 24 which are mutually connected with the second sliding grooves 22, the tops of the two groups of striking plates 21 which are close to one side each other are provided with contact blocks 20, the tops of one side which is close to one side each other inside the two groups of fixed grooves 16 are provided with inductors 17 which correspond to the contact blocks 20, and two sides inside the mounting grooves 2 are provided with guide absorption components, one side at 3 tops of stirred tank is equipped with fodder stirring component, and the top of mounting groove 2 is equipped with the control unit 12.
As a preferable embodiment of the present embodiment: the inside both sides of subassembly are absorbed in the direction are equipped with suction fan 133, and the output of two sets of suction fan 133 is equipped with inhales material mouthful 132, and the bottom of 1 both sides one end of support body is seted up and is inhaled material mouthful 132 mutual guide table 131 that corresponds, and one side that two sets of suction fan 133 are close to each other is equipped with communicating pipe 134, and the back one end of two sets of communicating pipes 134 is equipped with the passage 13 of mutual intercommunication.
As a preferable embodiment of the present embodiment: one side at fodder stirring subassembly top is equipped with driving motor 301, driving motor 301's output is equipped with gear 302, the top cover of stirred tank 3 is equipped with sleeve pipe 304, the top in the sleeve pipe 304 outside is equipped with fluted disc 303, the inside bottom of sleeve pipe 304 is equipped with hemisphere water conservancy diversion seat 308, the inside top of hemisphere water conservancy diversion seat 308 all is equipped with spiral puddler 305 with sleeve pipe 304's bottom, the intermediate position department of sleeve pipe 304 outside both sides is equipped with linking arm 306, the bottom of sleeve pipe 304 outside both sides is equipped with stirring leaf 309, one side that two sets of linking arm 306 and stirring leaf 309 kept away from each other is equipped with interconnect's scraping brush board 307.
As a preferable aspect of the present embodiment: the edge at 3 tops of stirred tank is equipped with the annular framework, and the intermediate position department at annular framework top is equipped with the feed inlet, and the feed inlet corresponds each other with sleeve pipe 304's inside, the intermediate position department at 3 tops of stirred tank is equipped with the bearing frame, and bearing frame and sleeve pipe 304 interconnect, the edge at 3 inside tops of stirred tank is equipped with the annular guide slot, and the inboard symmetry of annular guide slot is equipped with the guide block, and the one side that the guide block is close to each other is equipped with the fixed plate with sleeve pipe 304 interconnect, improve rotatory guidance quality and stability of sleeve pipe 304, the bottom of 3 back one ends of stirred tank is equipped with the drain valve, and the bottom of drain valve is equipped with the drainage pipe, be convenient for discharge the sewage of cleaning work fast.
As a preferable embodiment of the present embodiment: the opening has been seted up to the positive one side that keeps away from each other of two sets of units of raising 6, and the opening is mutually supported with oblique type slide 5, is convenient for discharge the oblique type slide of fodder through the opening, carries out fodder supply work, and the bottom of two sets of aqueducts 7 is equipped with and feeds 4 inside mutually corresponding complex delivery ports of basin, is convenient for carry out the water liquid supply in to the basin through aqueduct 7.
As a preferable embodiment of the present embodiment: the timer is arranged on one side, close to each other, of each of the two groups of discharge valves 14, the discharge opening is arranged on one side, far away from each other, of each of the two groups of inclined guide pipes 15, the discharge opening extends to the interior of the feeding unit 6 to be matched with the inclined slide rail 5 correspondingly, the opening time of each discharge valve 14 can be adjusted through the timer, and falling amount and waste of the feed are restrained.
As a preferable embodiment of the present embodiment: one side that two sets of striking plates 21 kept away from each other is equipped with the mounting panel, and the surface coating of mounting panel has the fodder sign, is convenient for indicate the live pig, makes the live pig carry out automatic fodder supply work according to self demand.
As a preferable embodiment of the present embodiment: one side that two sets of direction platform 131 tops are close to each other is equipped with the locating area, and the locating area with inhale material mouth 132 and correspond each other, the back one end of passage 13 is equipped with the row's of mutual intercommunication material pipe, and the top of arranging the material pipe is equipped with the blast pipe of mutual intercommunication, and the top of blast pipe is equipped with activated carbon adsorption box and gas vent, can carry out the water conservancy diversion with the peculiar smell that live pig breeding excrement produced and purify, improve air quality in the live pig plant.
As a preferable embodiment of the present embodiment: the two sets of brush scraping plates 307 are uniformly arranged on one side away from each other to form cleaning brushes, conical blocks are uniformly arranged at two ends of two sets of stirring blades 309, the stirring effect of the feed is improved, four sets of discharging through holes are formed in the bottom of the outer side of the sleeve 304 and are matched with the hemispherical flow guide seat 308, the feed placed in the sleeve 304 is conveniently thrown out under the action of rotating centrifugal force and the matching of the hemispherical flow guide seat 308 through the four sets of discharging through holes and enters the stirring tank 3 to be stirred.
Embodiment 1, as shown in fig. 1-4, after the fodder stirring in the stirred tank 3 is completed, the fodder can be completely discharged through the discharge valve 14, at this time, the water in the U-shaped water tank 9 is pumped out through the second water pump 10 and led into the feed inlet from the draft tube 11, then the water directly enters the sleeve 304 to fill the stirred tank 3, then the fodder stirring assembly is started to automatically clean the stirred tank 3, and simultaneously, the cleaning brush is driven along the inner wall around the stirred tank 3 along with the rotation of the brush scraping plate 307 to scrape, so as to enhance the effect of the cleaning work in the stirred tank 3, and the functionality and convenience of the device are increased.
Example 2, as shown in fig. 1 to 4, during the introduction and discharge of excrement from the material guide pipe 13, the purified gas can be discharged from the exhaust port by guiding the excrement through the discharge pipe installed in the material guide pipe 13, guiding the offensive odor through the exhaust pipe, and performing adsorption purification through the activated carbon adsorption tank, thereby increasing the quality of the gas in the farm.
A feeding method of an intelligent feeding device for pig breeding industry comprises the following steps:
step one; during the live pig breeding work, firstly, the U-shaped water tank 9 is filled with water, then feed to be fed is put into the feed inlet, at the moment, the control unit 12 controls the driving motor 301 to start, the driving gear 302 and the fluted disc 303 are meshed with each other along with the starting of the driving motor 301, the fluted disc 303 is forced to drive the sleeve 304, the two groups of scraping plates 307, the stirring blades 309 and the spiral stirring rod 305 to integrally rotate, then the feed entering the sleeve 304 is pre-stirred under the rotation of the spiral stirring rod 305, and meanwhile, the material flowing in the sleeve 304 is directly enabled to fly out into the stirring tank 3 under the matching of the discharge through holes by utilizing the guiding matching of the hemispherical flow guide seats 308, and then stirring and mixing work can be carried out through the two groups of scraping plates 307, the stirring blades 309 and the spiral stirring rod 305 below the sleeve 304;
step two; after the feed in the stirring tank 3 is stirred, the feed can be respectively guided into the inclined slide ways 5 under the circulation of the inclined guide pipes 15 by the starting of the two groups of discharge valves 14, the feed can be discharged out of the culture units 6 through the flow of the inclined slide ways 5, the feed can be simultaneously replenished to the two groups of culture units 6, and the water stored in the U-shaped water tank 9 can be pumped out by the starting of the two groups of first water pumps 8 and guided into the water feeding tank 4 through the water guide pipes 7, so that the water can be simultaneously replenished to the two groups of culture units 6;
step three; when the live pigs need to eat, the pigs can be impacted according to the prompt of the feed marks arranged on the surface of the impact plate 21, when the striking plate 21 is struck and extruded, the hinge plate 25 can be guided and slide in the first slide block 19 and the first slide groove 18 and can be limited to move in the hinge linkage of the hinge plate 25 and the second slide block 23 and the second slide groove 22, meanwhile, as the second sliding block 23 moves in the second sliding slot 22 to force the spring 24 to stretch, the whole movement of the striking plate 21 can be used to drive the contact block 20 to contact with the sensor 17, and after the sensor 17 is subjected to contact sensing, the discharge valve 14 can be automatically started through the control unit 12, the discharge valve 14 is prompted to be opened for a specified time to guide out the feed under the coordination of the timer, the live pigs in the two groups of feeding units 6 can be automatically fed without the specification of an operator, when the whole impact plate 21 has no extrusion force, the impact plate 21 is driven to reset by the elastic restoring force of the spring 24;
step four; when the excrement of the live pigs needs to be cleaned, the excrement in the two groups of feeding units 6 can be collected and swept into the upper portion of the guide table 131, at the moment, the suction fan 133 is started through the control unit 12, the excrement is rapidly guided into the material guide pipe 13 from the communicating pipe 134 to be discharged and collected by utilizing the matching absorption of the suction fan 133 and the material suction port 132, and therefore the excrement rapidly collected in the two groups of feeding units 6 can be treated.
In summary, the following steps: the device breeds the circle to two sets of live pigs simultaneously and carries out the auxiliary work through feed supply and water liquid supply that two sets of unit mechanisms of raising installed, cooperate automatic blanking structure to make the live pigs carry out the feed supply according to self eating demand when guaranteeing that the live pigs normally breed, the intelligence of increase device, and under the cooperation of fodder stirring subassembly, let the even unanimity of fodder stirring, better feed the live pigs, and the cooperation direction absorbs the excrement that the subassembly was bred the live pigs and absorbs the discharge fast, subsequent cleaning work of being convenient for, the functionality and the practicality of increase device.
Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.