阅读说明：本技术 一种自动化水产海鲜生产装置 (Automatic change aquatic products seafood apparatus for producing ) 是由 赵为娜 于 2020-04-09 设计创作，主要内容包括：本发明涉及肉食制品处理领域,具体涉及一种自动化水产海鲜生产装置,包括大棚、晾晒台组件、晾晒架组件、晾晒网组件和吸附组件,大棚内设置晾晒台组件,晾晒台组件上对称设置晾晒架组件,晾晒架组件可移动设置于晾晒台组件上,晾晒架组件上可升降设置晾晒网组件,晾晒网组件上均匀设置吸附组件；本发明结构合理,能够高效的对鱼体进行晾干,在晾干过程中可以实现自动操作对鱼体进行开腹面和背面的变化,从而在不需要人工翻动的情况下对鱼体进行多方位的翻动晾干,节省了人力的投入成本,提高了鱼体晾干的效率。(The invention relates to the field of meat product treatment, in particular to an automatic aquatic product seafood production device which comprises a greenhouse, a drying platform assembly, drying frame assemblies, drying net assemblies and adsorption assemblies, wherein the drying platform assembly is arranged in the greenhouse; the fish airing rack is reasonable in structure, can efficiently air fish bodies, and can automatically change the belly opening surface and the back surface of the fish bodies in the airing process, so that the fish bodies are turned and aired in multiple directions without manual turning, the input cost of manpower is saved, and the airing efficiency of the fish bodies is improved.)

1. An automatic change aquatic products seafood apparatus for producing which characterized in that: the greenhouse comprises a greenhouse, a drying platform component, a drying frame component, a drying net component and adsorption components, wherein the drying platform component is arranged in the greenhouse, the drying frame components are symmetrically arranged on the drying platform component, the drying frame component is movably arranged on the drying platform component, the drying net component is arranged on the drying frame component in a lifting manner, and the adsorption components are uniformly arranged on the drying net component;

the airing table assembly comprises a rectangular base, a buffer bin and a window, the buffer bin is fixed at the bottom of the base and is funnel-shaped, the window penetrates through the middle of the base, and the bottom of the window is arranged corresponding to the buffer bin;

the drying rack assembly comprises a push rod, a fixed plate and sliding chutes, the push rod is fixedly connected with one side of the lower part of the fixed plate, the bottom ends of the fixed plate are arranged in the sliding chutes in a matched manner, and the sliding chutes are arranged on two sides of the upper part of the base;

the airing net component comprises an airing plate, an airing net and a lifting component, the airing plate is arranged on one side of the fixed plate, and the airing plate is connected with the lifting component;

the adsorption component comprises a vacuum pump, a pipeline and an adsorption nozzle component, the vacuum pump is fixed on one side of the fixing plate, the vacuum pump is communicated with the adsorption nozzle component through the pipeline, the pipeline penetrates through the fixing plate and the airing cavity simultaneously, and the upper portion of the adsorption nozzle component penetrates through the airing net.

2. The automated aquatic seafood production apparatus of claim 1, wherein: the greenhouse comprises a foundation, an arched shed, a lighting lamp and an ultraviolet disinfection lamp, wherein the arched shed is fixed on the foundation, and the lighting lamp is fixed in the middle of the arched shed.

3. The automated aquatic seafood production apparatus of claim 1, wherein: the buffer bin is funnel-shaped structure, sets up the cushion chamber in the buffer bin, and the intermediate position in buffer chamber bottom sets up the outlet pipe, and outlet pipe department sets up the valve, and the fixed air-blower of buffer bin outer wall is first and air-blower two, and air-blower one and air-blower two all are fixed in buffer bin lateral wall department, and air-blower one and air-blower two all are linked together with the cushion chamber.

4. The automated aquatic seafood production apparatus of claim 3, wherein: and rollers are symmetrically arranged on the outer side wall of the buffer bin.

5. The automated aquatic seafood production apparatus of claim 1, wherein: and a filter screen is fixed in the window, and a metal filter screen is selected as the filter screen.

6. The automatic aquatic product seafood production device of claim 1, wherein the sliding groove comprises a first sliding groove and a second sliding groove, the first sliding groove and the second sliding groove are arranged in parallel, the first sliding groove and the second sliding groove are rectangular, the sections of the first sliding groove and the second sliding groove are L-shaped, two sides of the bottom of the fixing plate are fixed with protrusions, the protrusions are three-dimensional, and the protrusions are arranged in the sliding grooves in a matching manner.

7. The automatic aquatic product seafood production device of claim 1, wherein the sun-curing plate is rectangular plate-shaped, the upper end of the sun-curing plate is hinged with the upper end of the fixing plate, the middle part of the sun-curing plate is provided with a hollow groove, the edge of the hollow groove is close to the edge of the sun-curing plate, the section of the hollow groove is L-shaped, the bottom wall of the sun-curing plate is uniformly provided with sun-curing plate holes, the upper part of the hollow groove is fixed with a sun-curing net, and a sun-curing cavity is formed between the hollow groove and the sun.

8. The automated aquatic seafood production apparatus of claim 7, wherein: the lifting assembly comprises a lifting motor, a supporting roller and a nylon rope, the lifting motor is fixed on the upper portion of the side wall of the fixing plate, the lifting motor is fixedly connected with the tail end of the drying plate through the nylon rope, the nylon rope bypasses the supporting roller, and the supporting roller is arranged on the upper portion of the fixing plate.

9. The automated aquatic seafood production apparatus of claim 1, wherein: the adsorption nozzle assembly comprises a spring, an adsorption cylinder and an adsorption nozzle, one end of the spring is fixedly connected with the bottom wall of the hollow tank, the other end of the spring is fixedly connected with one side wall of the adsorption cylinder, the adsorption cylinder is communicated with the pipeline, and the end part of the adsorption cylinder is provided with the adsorption nozzle; the adsorption cylinder is hollow and cylindrical, one end of the adsorption cylinder is sealed, the other end of the adsorption cylinder is open, a hollow cavity is arranged in the adsorption cylinder, the hollow cavity is communicated with the adsorption nozzle, the adsorption nozzle is of a horn-shaped structure, and the adsorption nozzle is made of rubber.

10. The automated aquatic seafood production apparatus of claim 9, wherein: the absorption mouth passes the sunning net, and the sunning net is located the absorption mouth department of passing and sets up the groove that resets, and the groove that resets is seted up on the sunning net, and the groove that resets is tubaeform recess, and absorption mouth lateral wall sets up with the groove phase-match that resets, and absorption mouth up end and the groove up end looks parallel and level that resets when absorption mouth lateral wall and the inslot lateral wall that resets are close to mutually.

Technical Field

The invention relates to the field of meat product treatment, in particular to an automatic aquatic product seafood production device.

Background

In aquatic product production, the fish is difficult to preserve and therefore is often made into forms such as salted fish and so on and prolongs the holding time, the salted fish is the fish after pickling with salt, the dried fish, in the salted fish course of working, the final quality of the product that the process of drying is regarded as final production step relation, generally need sunning about 3 days in the process of drying, the workman puts the fish on outdoor flat ground and carries out the sunning more in this in-process, meet the cloudy and rainy day and can't fine accomplish sunning about, in addition in sunning in-process the workman need not be incessantly about many times the fish body that turns over, intensity of labour is big, inefficiency.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides an automatic aquatic product seafood production device.

In order to achieve the purpose, the invention adopts the following technical scheme: an automatic aquatic product seafood production device comprises a greenhouse, a drying platform assembly, drying frame assemblies, drying net assemblies and adsorption assemblies, wherein the drying platform assembly is arranged in the greenhouse, the drying frame assemblies are symmetrically arranged on the drying platform assembly, the drying frame assemblies are movably arranged on the drying platform assembly, the drying net assemblies are arranged on the drying frame assemblies in a lifting manner, and the adsorption assemblies are uniformly arranged on the drying net assemblies;

the airing table assembly comprises a rectangular base, a buffer bin and a window, the buffer bin is fixed at the bottom of the base and is funnel-shaped, the window penetrates through the middle of the base, and the bottom of the window is arranged corresponding to the buffer bin;

the drying rack assembly comprises a push rod, a fixed plate and sliding chutes, the push rod is fixedly connected with one side of the lower part of the fixed plate, the bottom ends of the fixed plate are arranged in the sliding chutes in a matched manner, and the sliding chutes are arranged on two sides of the upper part of the base;

the airing net component comprises an airing plate, an airing net and a lifting component, the airing plate is arranged on one side of the fixed plate, and the airing plate is connected with the lifting component;

the adsorption component comprises a vacuum pump, a pipeline and an adsorption nozzle component, the vacuum pump is fixed on one side of the fixing plate, the vacuum pump is communicated with the adsorption nozzle component through the pipeline, the pipeline penetrates through the fixing plate and the airing cavity simultaneously, and the upper portion of the adsorption nozzle component penetrates through the airing net.

The greenhouse comprises a foundation, an arched shed, a lighting lamp and an ultraviolet disinfection lamp, wherein the arched shed is fixed on the foundation, and the lighting lamp is fixed in the middle of the arched shed.

The buffer bin is funnel-shaped structure, sets up the cushion chamber in the buffer bin, and the intermediate position in buffer chamber bottom sets up the outlet pipe, and outlet pipe department sets up the valve, and the fixed air-blower of buffer bin outer wall is first and air-blower two, and air-blower one and air-blower two all are fixed in buffer bin lateral wall department, and air-blower one and air-blower two all are linked together with the cushion chamber.

And rollers are symmetrically arranged on the outer side wall of the buffer bin.

And a filter screen is fixed in the window, and a metal filter screen is selected as the filter screen.

The spout includes spout one and spout two, and spout one and spout two phase parallel arrangement, and spout one and spout two are the rectangle form and the cross-section of spout one and spout two all is "L" form, and fixed plate bottom both sides are all fixed the arch, and the arch is three-dimensional form, and the protruding matching sets up in the spout.

The airing plate is rectangular plate-shaped, the upper end of the airing plate is hinged with the upper end of the fixing plate, the middle of the airing plate is provided with a hollow groove, the edge of the hollow groove is close to the edge of the airing plate, the section of the hollow groove is L-shaped, the bottom wall of the airing plate is uniformly perforated with airing holes, an airing net is fixed on the upper part of the hollow groove, and an airing cavity is formed between the hollow groove and the airing net.

The lifting assembly comprises a lifting motor, a supporting roller and a nylon rope, the lifting motor is fixed on the upper portion of the side wall of the fixing plate, the lifting motor is fixedly connected with the tail end of the drying plate through the nylon rope, the nylon rope bypasses the supporting roller, and the supporting roller is arranged on the upper portion of the fixing plate.

The adsorption nozzle assembly comprises a spring, an adsorption cylinder and an adsorption nozzle, one end of the spring is fixedly connected with the bottom wall of the hollow tank, the other end of the spring is fixedly connected with one side wall of the adsorption cylinder, the adsorption cylinder is communicated with the pipeline, and the end part of the adsorption cylinder is provided with the adsorption nozzle; the adsorption cylinder is hollow and cylindrical, one end of the adsorption cylinder is sealed, the other end of the adsorption cylinder is open, a hollow cavity is arranged in the adsorption cylinder, the hollow cavity is communicated with the adsorption nozzle, the adsorption nozzle is of a horn-shaped structure, and the adsorption nozzle is made of rubber.

The absorption mouth passes the sunning net, and the sunning net is located the absorption mouth department of passing and sets up the groove that resets, and the groove that resets is seted up on the sunning net, and the groove that resets is tubaeform recess, and absorption mouth lateral wall sets up with the groove phase-match that resets, and absorption mouth up end and the groove up end looks parallel and level that resets when absorption mouth lateral wall and the inslot lateral wall that resets are close to mutually.

Compared with the prior art, the invention has the beneficial effects that: the fish airing rack is reasonable in structure, can efficiently air fish bodies, and can automatically change the belly opening surface and the back surface of the fish bodies in the airing process, so that the fish bodies are turned and aired in multiple directions without manual turning, the input cost of manpower is saved, and the airing efficiency of the fish bodies is improved.

Drawings

Other features, objects and advantages of the present invention will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic diagram of the structure at a in fig. 1.

Fig. 4 is a schematic diagram of the structure at B in fig. 1.

FIG. 5 is a schematic view of the side view of the airing net of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following examples, which are provided only for illustrating the present invention and are not intended to limit the scope of the present invention.

An automatic aquatic product seafood production device as shown in fig. 1-5 comprises a greenhouse 1, a drying platform assembly 2, a drying rack assembly 3, a drying net assembly 4 and adsorption assemblies 5, wherein the drying platform assembly 2 is arranged in the greenhouse 1, the drying rack assembly 3 is symmetrically arranged on the drying platform assembly 2, the drying rack assembly 3 is movably arranged on the drying platform assembly 2, the drying net assembly 4 is arranged on the drying rack assembly 3 in a lifting manner, and the adsorption assemblies 5 are uniformly arranged on the drying net assembly 4; big-arch shelter 1 is used for providing a stable production external environment, sunning platform subassembly 2 is used for the removal of equipment and to sunning frame subassembly 3, sunning net subassembly 4 ventilates, adsorption component 5 is used for adsorbing the fish body fixedly, thereby cooperation sunning net subassembly 4 combined action, when the sunning, the fish body carries out the sunning on sunning net subassembly 4, can fix the fish body through adsorption component 5 when needs change the sunning with opening the abdomen face of fish body and back, thereby be convenient for the fish body to open the exchange of abdomen face and back on sunning net subassembly 4, make the fish body can carry out the sunning in different position automatically at the sunning in-process like this, the interference pollution that the fish body caused has been reduced artifical input and the manual work and has turned.

Big-arch shelter 1 includes ground 11, arched shed 12, daylighting lamp 13 and ultraviolet disinfection lamp 14, fixed arched shed 12 on the ground 11, the fixed daylighting lamp 13 in middle part on arched shed 12, daylighting lamp 13 chooses the fluorescent lamp for use, daylighting lamp 13 cooperation arched shed 12 is used for providing illumination, thereby adjust the illumination intensity in the big-arch shelter, avoided overcast and rainy day to the irradiant influence in big-arch shelter 1, the illumination stability of sunning has been improved, arched shed 12 upper portion both sides set up ultraviolet disinfection lamp 14, ultraviolet disinfection lamp 14 is located daylighting lamp 13 bottom both sides. The ultraviolet disinfection lamp 14 can be turned on at night, and can be used for lighting and disinfecting air in the greenhouse 1, so that the sanitation condition in the greenhouse 1 is improved, and the fish body is prevented from being polluted in the airing process.

The airing platform component 2 comprises a base 21, a buffer bin 22 and a window 23, wherein the base 21 is rectangular, the buffer bin 22 is fixed at the bottom of the base 21, the buffer bin 22 is funnel-shaped, the window 23 is arranged in the middle of the base 21 in a penetrating mode, and the bottom of the window 23 is arranged corresponding to the buffer bin 22.

The surge bin 22 is funnel-shaped structure, sets up the surge chamber 221 in the surge bin 22, and the mid position in surge chamber 221 bottom sets up outlet pipe 222, and outlet pipe 222 department sets up valve 2221, and first 2241 of the fixed air-blower of surge bin 22 lateral wall and second 2242 of air-blower, first 2241 of air-blower and second 2242 of air-blower all are fixed in the lateral wall department on the surge bin 22, and first 2241 of air-blower and second 2242 of air-blower all are linked together with surge chamber 221. After starting air-blower 2241 and air-blower two 2242, surge bin 22 can be used for the gas that surge blower 2241 and air-blower two 2242 produced, gas blows out and blows the fish body on sunning net subassembly 4 through window 23, thereby accelerate drying of the fish body, the efficiency of drying of the fish body has been improved, and the water stain or the salt material on fish body surface when the fish body just begins the sunning drop to surge bin 22 through window 23 in, surge bin 22 can be fine this moment collect water stain and salt material then discharge through outlet pipe 222, the piling up of water stain has been avoided.

The lateral wall symmetry of surge bin 22 sets up gyro wheel 223, and gyro wheel 223 makes things convenient for the integral movement of sunning platform subassembly 2, sunning frame subassembly 3, sunning net subassembly 4 and adsorption component 5, makes things convenient for the whole aversion of equipment, has improved the flexibility of using.

A filter screen 231 is fixed in the window 23, and the filter screen 231 is a metal filter screen. The filter screen 231 avoids the bold impurity that the external world dropped to get into surge bin 22 on the one hand to make water stain or fritter salt material get into to surge bin 22 and in time discharge, thereby on the other hand filter screen 231 is convenient for the air when needs blast to blow through filter screen 231 and blows the air-drying of sunning frame subassembly 3, sunning net subassembly 4 and accelerate the air-drying of the fish body.

The drying rack assembly 3 comprises a push rod 31, a fixing plate 32 and a sliding groove 33, wherein the push rod 31 is fixedly connected with one side of the lower part of the fixing plate 32, the bottom end of the fixing plate 32 is arranged in the sliding groove 33 in a matched mode, and the sliding groove 33 is arranged on two sides of the upper part of the base 21. The push rod 31 selects an electric push rod, and the push rod 31 is used for pushing the fixing plate 32 to move in the chute 33, so that the fish body can be conveniently adsorbed and fixed in different directions in the later period.

Referring to fig. 2, the sliding slot 33 includes a first sliding slot 331 and a second sliding slot 332, the first sliding slot 331 and the second sliding slot 332 are disposed in parallel, the first sliding slot 331 and the second sliding slot 332 are rectangular, and the cross sections of the first sliding slot 331 and the second sliding slot 332 are "L".

The two sides of the bottom of the fixing plate 32 are fixed with protrusions 321, the protrusions 321 are three-dimensional, and the protrusions 321 are arranged in the sliding grooves 33 in a matching manner; the protrusion 321 and the sliding slot 33 cooperate to improve the stability of the movement of the fixing plate 32.

Referring to fig. 1 and 3, the airing net assembly 4 includes an airing plate 41, an airing net 42 and a lifting assembly 43, the airing plate 41 is disposed on one side of the fixing plate 32, and the airing plate 41 is connected to the lifting assembly 43; the airing plate 41 is used for supporting and fixing the airing net 42, and the airing plate 41 and the airing net 42 are matched for use, so that on one hand, ventilation and air permeability in the process of airing the fish body can be guaranteed, and on the other hand, the airing net 42 can reduce a large number of indentations on the surface of the fish body, and the product quality is influenced.

The airing plate 41 is in a rectangular plate shape, the upper end of the airing plate 41 is hinged with the upper end of the fixing plate 32, the middle of the airing plate 41 is provided with a hollow groove 411, the edge of the hollow groove 411 is close to the edge of the airing plate 41, the section of the hollow groove 411 is in a L shape, the bottom wall of the airing plate 41 is uniformly provided with airing holes 412 in a penetrating way, the airing holes 412 are convenient for air flow to pass through, an airing net 42 is fixed on the upper part of the hollow groove 411, an airing cavity 413 is formed between the hollow groove 411 and the airing net 42, the air flow penetrating into the hollow groove 411 penetrates through the airing net 42 to air the surface of the fish body, the airing speed of the fish body is accelerated, water stains or salt materials remained on the surface of the fish body at the beginning can also be discharged through the airing net 42 and the airing holes 412, and the damage degree of.

The lifting assembly 43 comprises a lifting motor 431, a supporting roller 432 and a nylon rope 433, the lifting motor 431 is fixed on the upper portion of the side wall of the fixing plate 32, the lifting motor 431 is fixedly connected with the tail end of the drying plate 41 through the nylon rope 433, the nylon rope 433 bypasses the supporting roller 432, the supporting roller 432 is arranged on the upper portion of the fixing plate 32, and the lifting motor 431 is used for controlling the position of the fixing plate 32, so that the position of the drying plate 41 can be adjusted according to different drying needs, and the drying efficiency can be accelerated.

Referring to fig. 1 and 4, the adsorption assembly 5 includes a vacuum pump 51, a pipe 52 and an adsorption nozzle assembly 53, the vacuum pump 51 is fixed on one side of the fixing plate 32, the vacuum pump 51 is communicated with the adsorption nozzle assembly 53 through the pipe 52, the pipe 52 passes through the fixing plate 32 and the airing cavity 413, the upper portion of the adsorption nozzle assembly 53 passes through the airing net 42,

the adsorption nozzle assembly 53 comprises a spring 531, an adsorption cylinder 532 and an adsorption nozzle 533, one end of the spring 531 is fixedly connected with the bottom wall of the hollow groove 411, the other end of the spring 531 is fixedly connected with one side wall of the adsorption cylinder 532, the adsorption cylinder 532 is communicated with the pipeline 52, and the end part of the adsorption cylinder 532 is provided with the adsorption nozzle 533;

please refer to fig. 4, the adsorption cylinder 532 is a hollow cylinder, one end of the adsorption cylinder 532 is sealed and the other end is open, a hollow cavity 5321 is disposed in the adsorption cylinder 532, the hollow cavity 5321 is communicated with the adsorption nozzle 533, the adsorption nozzle 533 is a trumpet-shaped structure, and the adsorption nozzle 533 is made of rubber. The adsorption cylinder 532 is used for connecting the adsorption nozzle 533, and the negative pressure environment of the adsorption cylinder 532 enables the adsorption nozzle 533 to firmly adsorb and fix the fish body.

The adsorption nozzle 533 passes through the airing net 42, the airing net 42 is located a position where the adsorption nozzle 533 passes through and is provided with the reset groove 534, the reset groove 534 is formed in the airing net 42, the reset groove 534 is a horn-shaped groove, the outer side wall of the adsorption nozzle 533 is matched with the reset groove 534, and the upper end face of the adsorption nozzle 533 is flush with the upper end face of the reset groove 534 when the outer side wall of the adsorption nozzle 533 is close to the inner side wall of the reset groove 534. When the airing net 42 is horizontally placed, the side wall of the adsorption nozzle 533 is close to the reset groove 534 due to the downward pressing effect of the fish body on the adsorption nozzle 533 and the adsorption cylinder 532, and the upper end of the adsorption nozzle 533 is flush with the end face of the airing net 42 at the moment, so that the fish body is well close to the airing net 42, and the deformation caused by the uneven acceptance of the fish body is avoided.

Sterilizing the greenhouse 1 by an ultraviolet sterilizing lamp 14 in advance;

the base 21 is moved to a position with proper illumination in the greenhouse 1 by using the rollers 223;

the lifting motor 431 on the C side is started to lift the airing net 42 to the horizontal state through the supporting roller 432 and the nylon rope 433,

placing the belly opening surface of the fish body to be aired on the airing net 42 on the side C, placing the belly opening surface of the fish body on the adsorption nozzle 533, airing the back surface of the fish body, pressing the adsorption nozzle 533 into the reset groove 534 downwards under the action of the gravity of the fish body, and enabling the adsorption nozzle 533 to be flush with the end surface of the reset groove 534, so that the fish body is relatively flat during airing, and the airing net 42 on the side D is reserved;

airing the belly of the fish for two hours each time, airing the back of the fish for one hour, and starting the vacuum pump 51 on the C side to fix the fish body on the airing net 42 through the adsorption nozzle 533;

starting the lifting motor 431, and simultaneously dropping the airing net 42 at the side C, D to be parallel to the fixed plate 32 through the supporting roller 432 and the nylon rope 433;

the push rod 31 is actuated to make the fixed plate 32 at the side C, D move close to each other;

when the airing net 42 in the standby state at the side D is close to the airing net 42 with the fish bodies sucked at the side C, starting the vacuum pump 51 at the side D to suck the fish bodies at the side C through the suction nozzle assembly 53, and then closing the vacuum pump 51 at the side C, wherein the fish bodies are sucked onto the airing net 42 at the side D;

the push rod 31 is actuated to separate the fixed plate 32 on the C, D side;

the lifting motor 431 on the side of C, D is started to lift the airing net 42 to a horizontal state through the supporting rollers 432 and the nylon ropes 433, so that the belly opening surface of the fish body is aired upwards, the steps are repeated, the belly opening surface and the back surface of the fish body are aired at intervals, and therefore the problems that the damage to the fish body caused by frequent manual turning of the fish body is avoided, and the position of the fish body is accurately controlled are solved.

In the description herein, references to the description of "one embodiment," "an illustrated embodiment," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.