Disclosure of Invention
In order to solve the technical problem, the invention provides the clothes cloth drying equipment which has the advantages of continuous shaking of cloth in the drying process and high drying efficiency and practicability of the equipment.
The invention relates to clothes and cloth drying equipment which comprises a drying box, a hot air system, a dehydration mechanism, a waste heat utilization system, three roller carriers, a plurality of conveying rollers, two conveying motors, a swinging frame, two vibration mechanisms, a driving motor, a fixed frame and a pull rod, wherein a drying chamber is arranged in the drying box, the front end and the rear end of the drying box are respectively provided with an inlet and an outlet, the inlet and the outlet are respectively communicated with the drying chamber of the drying box, an air outlet of the hot air system is arranged in the drying chamber, the dehydration mechanism is arranged in front of the inlet of the drying box, the input end of the waste heat utilization system is communicated with the drying chamber of the drying box, the output end of the waste heat utilization system is positioned behind the dehydration mechanism, the three roller carriers are respectively arranged at the front end and the rear end of the drying chamber of the drying box and behind the drying box, the three roller carriers are respectively provided with the two conveying rollers, the two conveying motors are respectively arranged at the front end of the drying chamber of the drying box and on the two roller carriers behind the drying box, the output shafts of the two conveying motors are respectively in transmission connection with the two conveying rollers, the front end of the swing frame is in transmission connection with a roller frame positioned at the front end of a drying chamber of the drying box, the rear end of the swing frame is rotatably provided with two vibration mechanisms, the two vibration mechanisms are arranged up and down, the driving motor is arranged on the swing frame, the driving motor and the two vibration mechanisms are in transmission connection with three belt pulleys through a belt, an eccentric shaft is arranged on the belt pulley on the output shaft of the driving motor, the fixed frame is arranged on the roller frame at the front end of the drying chamber of the drying box, the upper end of the pull rod is in transmission connection with the fixed frame, and the lower end of the pull rod is in transmission connection with the eccentric shaft on the belt pulley of the driving motor; clothes cloth is squeezed and dehydrated through a dehydration mechanism, the clothes cloth enters a drying cavity of a drying box through an inlet of the drying box, the cloth is rolled and clamped by a plurality of conveying rollers, the cloth between two roller frames in the drying cavity of the drying box is kept in a loose state, two vibration mechanisms are in rolling contact with the upper end surface and the lower end of the cloth, two conveying motors drive the two conveying rollers to synchronously rotate, the cloth is conveyed out of an outlet of the drying box by the two rotating conveying rollers, the two vibration mechanisms are driven to rotate by a driving motor through a belt and three belt pulleys, the cloth is vibrated up and down by the rotation of the two vibration mechanisms, an eccentric shaft on a belt pulley of the driving motor drives the driving motor and a swing frame to swing up and down through a reaction force of a pull rod, the cloth swings up and down while vibrating, hot air is blown out from an air outlet of a hot air system to evaporate moisture on the cloth, the high-temperature vapor of evaporation passes through between waste heat utilization system discharge drying cabinet and the dehydration mechanism, and high-temperature vapor is discharged by the condensation at waste heat utilization system vapor, and the air-out that has the waste heat preheats the cloth that gets into the drying cabinet, improves drying effect, and the shake that the cloth was not stopped at dry in-process avoids clothing cloth drying back stiff and straight, keeps the pliability of cloth and the comfort level of clothing, improve equipment's practicality.
Preferably, the vibration mechanism further comprises two star-shaped frames, a plurality of knocking rollers and a driving shaft, the two star-shaped frames are provided with a plurality of radiation-type mounting plates, two ends of the knocking rollers are respectively and rotatably connected with the outer ends of the mounting plates, two ends of the driving shaft are respectively and concentrically and fixedly connected with the two star-shaped frames, two ends of the driving shaft are respectively and rotatably mounted at the rear end of the swing frame, one end of the driving shaft is provided with a belt pulley, and the belt pulley is located on the outer side of the swing frame; the driving motor drives two driving shafts to synchronously rotate through the belt and the three belt pulleys, so that the two driving shafts drive the four star-shaped frames to synchronously rotate, the four star-shaped frames drive the upper end face and the lower end face of the cloth to be knocked from top to bottom without stopping of the knocking rollers, the cloth is made to vibrate without stopping, the stiff plate is prevented from being straightened and dried after the cloth is straightened, and the practicability of the equipment is improved.
Preferably, the device also comprises a spring plate, one end of the spring plate is connected with the roller frame, and the other end of the spring plate is connected with the swing frame; the elastic force action of the spring plate assists the elastic support of the swing frame, the damage caused by overlarge stress of the driving motor is avoided, and the reliability of the equipment is improved.
Preferably, the dewatering mechanism further comprises two dewatering frames, two dewatering rollers, two springs, a scraper and a water receiving pool, the two dewatering frames are respectively positioned at the left side and the right side of the inlet of the drying box, the upper parts of the two dewatering frames are respectively provided with a chute, the lower dewatering roller is rotatably connected with the two dewatering frames through a central shaft, the two ends of the central shaft of the upper dewatering roller are respectively slidably mounted in the chutes of the two dewatering frames, the two ends of the two springs are respectively connected with the two ends of the central shaft of the upper dewatering roller and the upper ends of the two dewatering frames, the scraper is mounted on the two dewatering frames through a support, a torsional spring is arranged between the scraper and the support, the upper end of the scraper is in contact with the wheel surface of the lower dewatering roller, and the water receiving pool is mounted below the dewatering rollers; the water receiving tank is connected with an external sewage treatment system, two dewatering frames support two dewatering rollers, the cloth is located between the two dewatering rollers, under the elastic action of two springs, the two dewatering rollers compress the cloth, the water in the cloth is extruded out, the water flows to the water receiving tank along the dewatering rollers below, the water is remained on the dewatering rollers and scraped by the scraper blade and flows to the water receiving tank, the water in the water receiving tank is conveyed to the sewage treatment system, the water content of the cloth is reduced, and the drying speed is improved.
Preferably, the hot air system further comprises an air blower, an air supply pipe, two air outlet boxes and a plurality of heaters, the air blower is installed outside the drying box, the input end of the air supply pipe is connected with an air supply outlet of the air blower, the air supply pipe is provided with two output pipes, the output ends of the two output pipes respectively extend into the two air outlet boxes, the two air outlet boxes are respectively located at the upper part and the lower part of a drying cavity of the drying box, air outlets of the two air outlet boxes are oppositely arranged, and the heaters are installed in the two air outlet boxes; the air-blower filters external air and dries the back pressurization and becomes dry wind and carry to the blast pipe in, and in two output entering two air-out boxes of dry wind through the blast pipe, a plurality of heaters in two air-out boxes heated dry wind, and dry hot wind blows the cloth of shake through two air-out boxes, heats the evaporation with the moisture in the cloth, improves drying speed.
Preferably, the waste heat utilization system further comprises a gas collecting hood, an exhaust hood, a condenser, a preheating hood and an electric fan, wherein the gas collecting hood is installed on the upper end face of the drying box, the lower port of the gas collecting hood extends into the drying chamber of the drying box, the input end of the exhaust hood is connected with the upper port of the gas collecting hood, the condenser is arranged on the exhaust hood, the preheating hood is installed at the output end of the exhaust hood, the lower port of the preheating hood is located behind the two dewatering rollers, and the electric fan is installed in the preheating hood; high-temperature air and water vapor in a drying cavity of the drying box are collected through the gas collecting hood and then enter the exhaust pipe, when the high-temperature air and the water vapor are conveyed along the exhaust pipe and pass through the condenser, the water vapor is condensed into water to be discharged, high-temperature air containing waste heat enters the preheating hood along the exhaust pipe, the electric fan in the preheating hood runs, the electric fan discharges the air in the preheating hood downwards, and the high-temperature air preheats the external cloth of the drying box to provide drying efficiency.
Compared with the prior art, the invention has the beneficial effects that: clothes cloth is squeezed and dehydrated through a dehydration mechanism, the clothes cloth enters a drying cavity of a drying box through an inlet of the drying box, the cloth is rolled and clamped by a plurality of conveying rollers, the cloth between two roller frames in the drying cavity of the drying box is kept in a loose state, two vibration mechanisms are in rolling contact with the upper end surface and the lower end of the cloth, two conveying motors drive the two conveying rollers to synchronously rotate, the cloth is conveyed out of an outlet of the drying box by the two rotating conveying rollers, the two vibration mechanisms are driven to rotate by a driving motor through a belt and three belt pulleys, the cloth is vibrated up and down by the rotation of the two vibration mechanisms, an eccentric shaft on a belt pulley of the driving motor drives the driving motor and a swing frame to swing up and down through a reaction force of a pull rod, the cloth swings up and down while vibrating, hot air is blown out from an air outlet of a hot air system to evaporate moisture on the cloth, the high-temperature vapor of evaporation passes through between waste heat utilization system discharge drying cabinet and the dehydration mechanism, and high-temperature vapor is discharged by the condensation at waste heat utilization system vapor, and the air-out that has the waste heat preheats the cloth that gets into the drying cabinet, improves drying effect, and the shake that the cloth was not stopped at dry in-process avoids clothing cloth drying back stiff and straight, keeps the pliability of cloth and the comfort level of clothing, improve equipment's practicality.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
A clothes cloth drying device comprises a drying box 1, a hot air system, a dehydration mechanism, a waste heat utilization system, three roller carriers 2, a plurality of conveying rollers 3, two conveying motors 4, a swing frame 5, two vibration mechanisms 6, a driving motor 7, a fixed frame 8 and a pull rod 9, wherein a drying chamber is arranged in the drying box 1, an inlet and an outlet are respectively arranged at the front end and the rear end of the drying box 1 and are communicated with the drying chamber of the drying box 1, an air outlet of the hot air system is arranged in the drying chamber, the dehydration mechanism is arranged in front of the inlet of the drying box 1, an input end of the waste heat utilization system is communicated with the drying chamber of the drying box 1, an output end of the waste heat utilization system is positioned behind the dehydration mechanism, the three roller carriers 2 are respectively arranged at the front end and the rear end of the drying chamber of the drying box 1 and behind the drying box 1, the three roller carriers 2 are respectively and rotatably provided with the two conveying rollers 3, the two conveying motors 4 are respectively arranged at the front end of a drying chamber of the drying box 1 and on two roller frames 2 behind the drying box 1, output shafts of the two conveying motors 4 are respectively in transmission connection with the two conveying rollers 3, the front end of a swing frame 5 is in transmission connection with the roller frames 2 at the front end of the drying chamber of the drying box 1, the rear end of the swing frame 5 is rotatably provided with two vibration mechanisms 6, the two vibration mechanisms 6 are vertically arranged, a driving motor 7 is arranged on the swing frame 5, the driving motor 7 and the two vibration mechanisms 6 are in transmission connection with three belt pulleys through a belt, an eccentric shaft is arranged on a belt pulley on the output shaft of the driving motor 7, a fixed frame 8 is arranged on the roller frames 2 at the front end of the drying chamber of the drying box 1, the upper end of a pull rod 9 is rotatably connected with the fixed frame 8, and the lower end of the pull rod 9 is rotatably connected with the eccentric shaft on the belt pulley of the driving motor 7; clothes cloth is squeezed and dehydrated through a dehydration mechanism, the clothes cloth enters a drying chamber of a drying box 1 through an inlet of the drying box 1, the cloth is rolled and clamped by a plurality of conveying rollers 3, the cloth between two roller frames 2 in the drying chamber of the drying box 1 is kept in a loose state, two vibration mechanisms 6 are in rolling contact with the upper end surface and the lower end of the cloth, two conveying motors 4 drive the two conveying rollers 3 to synchronously rotate, the cloth is conveyed out of an outlet of the drying box 1 by the two rotating conveying rollers 3, the two vibration mechanisms 6 are driven to rotate by a driving motor 7 through a belt and three belt pulleys, the cloth is vibrated up and down by the rotation of the two vibration mechanisms 6, an eccentric shaft on a belt pulley of the driving motor 7 drives the driving motor 7 and a swing frame 5 to swing up and down through a reaction force of a pull rod 9, the cloth swings up and down while vibrating, hot air is blown out from an air outlet of a hot air system to evaporate moisture on the cloth, the high temperature vapor of evaporation passes through between waste heat utilization system discharge drying cabinet 1 and the dehydration mechanism, and high temperature vapor is discharged by the condensation at waste heat utilization system vapor, and the air-out that has the waste heat will get into drying cabinet 1's cloth and preheat, improves drying effect, and the shake that the cloth was not stopped at dry in-process avoids clothing cloth drying back stiff and straight, keeps the pliability of cloth and the comfort level of clothing, improve equipment's practicality.
Example 2
A clothes cloth drying device comprises a drying box 1, a hot air system, a dehydration mechanism, a waste heat utilization system, three roller carriers 2, a plurality of conveying rollers 3, two conveying motors 4, a swing frame 5, two vibration mechanisms 6, a driving motor 7, a fixed frame 8 and a pull rod 9, wherein a drying chamber is arranged in the drying box 1, an inlet and an outlet are respectively arranged at the front end and the rear end of the drying box 1 and are communicated with the drying chamber of the drying box 1, an air outlet of the hot air system is arranged in the drying chamber, the dehydration mechanism is arranged in front of the inlet of the drying box 1, an input end of the waste heat utilization system is communicated with the drying chamber of the drying box 1, an output end of the waste heat utilization system is positioned behind the dehydration mechanism, the three roller carriers 2 are respectively arranged at the front end and the rear end of the drying chamber of the drying box 1 and behind the drying box 1, the three roller carriers 2 are respectively and rotatably provided with the two conveying rollers 3, two conveying motors 4 are respectively arranged at the front end of a drying chamber of the drying box 1 and two roller frames 2 at the rear of the drying box 1, output shafts of the two conveying motors 4 are respectively in transmission connection with the two conveying rollers 3, the front end of a swing frame 5 is in transmission connection with the roller frames 2 at the front end of the drying chamber of the drying box 1, the rear end of the swing frame 5 is in transmission connection with two vibration mechanisms 6, the two vibration mechanisms 6 are vertically arranged, a driving motor 7 is arranged on the swing frame 5, the driving motor 7 and the two vibration mechanisms 6 are in transmission connection with three belt pulleys through a belt, an eccentric shaft is arranged on a belt pulley on the output shaft of the driving motor 7, a fixed frame 8 is arranged on the roller frames 2 at the front end of the drying chamber of the drying box 1, the upper end of a pull rod 9 is in transmission connection with the fixed frame 8, the lower end of the pull rod 9 is in rotation connection with the eccentric shaft on the belt pulley of the driving motor 7, the vibration mechanisms 6 further comprise two star-shaped frames 10, The device comprises a plurality of knocking rollers 11 and a driving shaft 12, wherein a plurality of radiation-type mounting plates are arranged on two star-shaped frames 10, two ends of the knocking rollers 11 are respectively and rotatably connected with the outer ends of the mounting plates, two ends of the driving shaft 12 are respectively and concentrically and fixedly connected with the two star-shaped frames 10, two ends of the driving shaft 12 are respectively and rotatably arranged at the rear end of a swing frame 5, one end of the driving shaft 12 is provided with a belt pulley, and the belt pulley is positioned on the outer side of the swing frame 5; the roller device is characterized by further comprising a spring plate 13, wherein one end of the spring plate 13 is connected with the roller frame 2, and the other end of the spring plate 13 is connected with the swing frame 5; spring plate 13's spring action assists elastic support to rocker 5, avoid driving motor 7 atress too big damage, driving motor 7 passes through the belt and three belt pulley drives two drive shaft 12 synchronous rotations, make two drive shaft 12 drive four star frame 10 synchronous rotations, four star frame 10 drive the upper and lower terminal surfaces of the upper and lower striking cloth that a plurality of knock roller 11 did not stop, the vibration that makes the cloth do not stop, it is straight to avoid the cloth to straighten dry back stiff board, improve equipment's practicality.
Example 3
A clothes cloth drying device comprises a drying box 1, a hot air system, a dehydration mechanism, a waste heat utilization system, three roller carriers 2, a plurality of conveying rollers 3, two conveying motors 4, a swing frame 5, two vibration mechanisms 6, a driving motor 7, a fixed frame 8 and a pull rod 9, wherein a drying chamber is arranged in the drying box 1, an inlet and an outlet are respectively arranged at the front end and the rear end of the drying box 1 and are communicated with the drying chamber of the drying box 1, an air outlet of the hot air system is arranged in the drying chamber, the dehydration mechanism is arranged in front of the inlet of the drying box 1, an input end of the waste heat utilization system is communicated with the drying chamber of the drying box 1, an output end of the waste heat utilization system is positioned behind the dehydration mechanism, the three roller carriers 2 are respectively arranged at the front end and the rear end of the drying chamber of the drying box 1 and behind the drying box 1, the three roller carriers 2 are respectively and rotatably provided with the two conveying rollers 3, two conveying motors 4 are respectively arranged at the front end of a drying chamber of the drying box 1 and two roller frames 2 at the rear of the drying box 1, output shafts of the two conveying motors 4 are respectively in transmission connection with the two conveying rollers 3, the front end of a swing frame 5 is in transmission connection with the roller frames 2 at the front end of the drying chamber of the drying box 1, the rear end of the swing frame 5 is in transmission connection with two vibration mechanisms 6, the two vibration mechanisms 6 are arranged up and down, a driving motor 7 is arranged on the swing frame 5, the driving motor 7 and the two vibration mechanisms 6 are in transmission connection with three belt pulleys through a belt, an eccentric shaft is arranged on a belt pulley on an output shaft of the driving motor 7, a fixed frame 8 is arranged on the roller frames 2 at the front end of the drying chamber of the drying box 1, the upper end of a pull rod 9 is in transmission connection with the fixed frame 8, the lower end of the pull rod 9 is in transmission connection with the eccentric shaft on the belt pulley of the driving motor 7, and the dehydration mechanism further comprises two dehydration frames 14, Two dewatering rolls 15, two springs 16, a scraper 17 and a water receiving tank 18, wherein the two dewatering frames 14 are respectively positioned at the left side and the right side of an inlet of the drying box 1, the upper parts of the two dewatering frames 14 are respectively provided with a chute, the lower dewatering roll 15 is rotatably connected with the two dewatering frames 14 through a central shaft, the two ends of the central shaft of the upper dewatering roll 15 are respectively slidably installed in the chutes of the two dewatering frames 14, the two ends of the two springs 16 are respectively connected with the two ends of the central shaft of the upper dewatering roll 15 and the upper ends of the two dewatering frames 14, the scraper 17 is installed on the two dewatering frames 14 through a support, a torsion spring is arranged between the scraper 17 and the support, the upper end of the scraper 17 is in contact with the wheel surface of the lower dewatering roll 15, and the water receiving tank 18 is installed below the dewatering rolls 15; the hot air system further comprises a blower 19, an air supply pipe 20, two air outlet boxes 21 and a plurality of heaters 22, wherein the blower 19 is installed outside the drying box 1, the input end of the air supply pipe 20 is connected with an air supply outlet of the blower 19, the air supply pipe 20 is provided with two output pipes, the output ends of the two output pipes respectively extend into the two air outlet boxes 21, the two air outlet boxes 21 are respectively positioned at the upper part and the lower part of a drying cavity of the drying box 1, air outlets of the two air outlet boxes 21 are oppositely arranged, and the heaters 22 are installed in the two air outlet boxes 21; the waste heat utilization system also comprises a gas collecting hood 23, an exhaust hood 24, a condenser 25, a preheating hood 26 and an electric fan 27, wherein the gas collecting hood 23 is installed on the upper end surface of the drying box 1, the lower port of the gas collecting hood 23 extends into the drying chamber of the drying box 1, the input end of the exhaust hood 24 is connected with the upper port of the gas collecting hood 23, the condenser 25 is arranged on the exhaust hood 24, the preheating hood 26 is installed at the output end of the exhaust hood 24, the lower port of the preheating hood 26 is positioned behind the two dewatering rollers 15, and the electric fan 27 is installed in the preheating hood 26; the water receiving tank 18 is connected with an external sewage treatment system, two dewatering frames 14 support two dewatering rollers 15, cloth is positioned between the two dewatering rollers 15, under the action of the elastic force of two springs 16, the two dewatering rollers 15 press the cloth tightly, so that moisture in the cloth is extruded out, the moisture flows into the water receiving tank 18 along the lower dewatering rollers 15, the moisture remained on the dewatering rollers 15 is scraped by a scraper 17 and flows into the water receiving tank 18, the moisture in the water receiving tank 18 is conveyed to the sewage treatment system to reduce the moisture content of the cloth, an air blower 19 filters and dries outside air and then pressurizes the air into dry air, the dry air is conveyed into an air supply pipe 20, the dry air enters two air outlet boxes 21 through two output ends of the air supply pipe 20, a plurality of heaters 22 in the two air outlet boxes 21 heat the dry air, the dry air blows the vibrated cloth through the two air outlet boxes 21 to heat and evaporate the moisture in the cloth, high-temperature air and water vapor in a drying chamber of the drying box 1 are collected through the gas collecting hood 23 and then enter the exhaust pipe 24, when the high-temperature air and the water vapor are conveyed along the exhaust pipe 24 and pass through the condenser 25, the water vapor is condensed into water to be discharged, high-temperature air containing waste heat enters the preheating hood 26 along the exhaust pipe 24, the electric fan 27 in the preheating hood 26 operates, the electric fan 27 discharges the air in the preheating hood 26 downwards, so that the high-temperature air preheats the cloth outside the drying box 1, and the drying efficiency is improved.
As shown in fig. 1 to 6, in the clothes and cloth drying apparatus of the present invention, in operation, two dewatering rolls 15 are supported by two dewatering frames 14, the cloth is located between the two dewatering rolls 15, under the elastic force of two springs 16, the two dewatering rolls 15 press the cloth tightly, the moisture in the cloth is squeezed out, the moisture flows into a water receiving tank 18 along the lower dewatering rolls 15, the moisture remained on the dewatering rolls 15 is scraped by a scraper 17 and flows into the water receiving tank 18, the moisture in the water receiving tank 18 is transported to a sewage treatment system, then the clothes and cloth enter a drying chamber of a drying cabinet 1 through an inlet of the drying cabinet 1, the cloth is rolled and clamped by a plurality of transport rolls 3, the cloth located between two roll frames 2 in the drying chamber of the drying cabinet 1 is kept in a loose state, then a plurality of knocking rolls 11 are in rolling contact with the upper end face and the lower end face of the cloth, two transport motors 4 drive the two transport rolls 3 to rotate synchronously, the cloth is conveyed out of the outlet of the drying box 1 by two rotary conveying rollers 3, a plurality of knocking rollers 11 are driven to rotate by a driving motor 7 through a belt and three belt pulleys, the cloth is vibrated up and down by the knocking rollers 11, meanwhile, an eccentric shaft on the belt pulley of the driving motor 7 drives the driving motor 7 and the swing frame 5 to swing up and down through the reaction force of a pull rod 9, so that the cloth swings up and down while vibrating, an air blower 19 filters and dries outside air, then the outside air is pressurized into dry air which is conveyed into an air supply pipe 20, the dry air enters two air outlet boxes 21 through two output ends of the air supply pipe 20, a plurality of heaters 22 in the two air outlet boxes 21 heat the dry air, the dry air blows the vibrated cloth through the two air outlet boxes 21 to heat and evaporate water in the cloth, high-temperature air and water vapor in a drying cavity of the drying box 1 are collected into an air exhaust pipe 24 through a gas collecting hood 23, when high-temperature air and water vapor are conveyed along the exhaust pipe 24 and pass through the condenser 25, the water vapor is condensed into water to be discharged, finally, the high-temperature air containing waste heat enters the preheating cover 26 along the exhaust pipe 24, the electric fan 27 in the preheating cover 26 operates, the electric fan 27 discharges the air in the preheating cover 26 downwards, and the high-temperature air preheats the outside cloth of the drying box 1.
The main functions realized by the invention are as follows: the cloth is in the shake that the in-process of drying is not stopped, and the drying efficiency and the practicality of equipment are high.
According to the clothes and cloth drying equipment, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the clothes and cloth drying equipment can be implemented as long as the beneficial effects of the clothes and cloth drying equipment can be achieved; the conveying motor 4, the conveying roller 3, the blower 19, the heater 22, the electric fan 27, the condenser 25, the driving motor 7, the knocking roller 11, the spring plate 13, the dewatering roller 15 and the spring 16 of the clothes and cloth drying equipment are purchased from the market, and a person skilled in the art only needs to install and operate according to the attached operating instruction without creative labor of the person skilled in the art.
All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.