The application discloses a division application of China patent application with the name of 'a virtual digital currency processing equipment' which is filed by China patent office on the date of 2019, 06 and 05 and has the application number of 201910486605.9.
Disclosure of Invention
The embodiment of the application provides virtual digital currency processing equipment, which aims to solve or alleviate one or more technical problems in the prior art.
As one aspect of the embodiment of the application, the embodiment of the application provides virtual digital currency processing equipment, which comprises a case, a computing board module, a control board module, a power supply, a fan and a conductive copper strip, wherein the case is defined with a containing cavity, the computing board module is arranged in the containing cavity, the top of the computing board module is provided with a power interface protruding upwards, the power supply and the fan are respectively arranged at two adjacent side parts of the case, the fan is used for promoting airflow to flow between the inside of the containing cavity and the outside of the case so as to radiate heat of the computing board module, the power supply is provided with a power terminal arranged at the top end of the power supply, and the conductive copper strip is connected between the power interface of the computing board module and the power terminal of the power supply.
In one embodiment, the power supply is disposed on one side wall of the chassis in the left-right direction, and the fan is disposed on the front side wall of the chassis.
In one embodiment, the front sidewall of the power supply is provided with a power interface adjacent the lower end.
In one embodiment, the fans are two, the two fans are vertically arranged on the front side wall of the case, the fans are fixed on the front side wall of the case through four fasteners penetrating through four corners of the fans, and the upper part of the fan above the fans is free from shielding.
In one embodiment, the chassis further comprises a top cover having a horizontal plate extending horizontally.
In one embodiment, a computing board module includes a computing board and a plurality of heat sinks, with three heat sinks disposed on one side of the computing board.
In one embodiment, the bottom of the control board module has a forward projecting fan interface and a network interface that interfaces with the computing board module.
In one embodiment, there are two conductive copper strips, one of which is used to connect with the power terminal of the positive pole of the power supply and the other is used to connect with the power terminal of the negative pole of the power supply.
In one embodiment, the number of the fan interfaces is two, the two fan interfaces are respectively connected with the two fans,
In one embodiment, the control board module is located above the computing board module.
In one embodiment, a conductive copper strap is disposed below the control board module, and a computing board module is disposed below the conductive copper strap.
In one embodiment, the top cover is flush with the front side wall of the chassis.
In one embodiment, the front side wall of the power supply is flush with the front side wall of the chassis.
In one embodiment, the power interface comprises a copper strap connection board comprising a conductive plane extending in a horizontal direction;
The conductive copper strip comprises a copper strip section in the case, the copper strip section in the case comprises a first copper strip section and a second copper strip section which are vertically connected, the first copper strip section extends along the horizontal direction and is in contact connection with the conductive plane, and the second copper strip section is connected with the power terminal of the power supply.
In one embodiment, the conductive copper strap further comprises an out-of-box copper strap section connected between the second copper strap section and a power terminal of the power source.
In one embodiment, the side wall of the chassis defines a conductive notch, and the second copper strap section is connected to the copper strap section outside the chassis through the conductive notch.
In one embodiment, the second copper strip section extends vertically.
In one embodiment, the copper strip section outside the case comprises a third copper strip section and a fourth copper strip section which are vertically connected, wherein the third copper strip section extends along the horizontal direction and is connected with the power terminal, and the fourth copper strip section extends along the vertical direction and is in surface contact connection with the second copper strip section through a conductive notch.
In one embodiment, the number of power terminals arranged at the top end of the power supply is five, one of the conductive copper strips is connected between the power interface of one computing board module and two adjacent power terminals, and the other conductive copper strip is connected between the power interface of the other computing board module and the other two adjacent power terminals.
In one embodiment, the virtual digital money handling device further comprises an insulating member disposed at the conductive notch to isolate the conductive copper strap from the side wall of the chassis.
In one embodiment, the number of the computing plate modules is two, and the two computing plate modules are arranged in the accommodating cavity in the left-right direction.
In one embodiment, the control board module has two network interfaces, and the two network interfaces are respectively connected with the two computing board modules.
In one embodiment, the top of the chassis defines a horizontally extending mounting notch and a shielding plate positioned at the rear side of the mounting notch, and a horizontally extending horizontal plate is covered over the mounting notch and is flush with the shielding plate.
In one embodiment, the top of the chassis further defines two top cover sliding grooves, the two top cover sliding grooves are respectively located on the left side and the right side above the mounting notch, and the top cover sliding grooves are used for enabling the top cover to slide into the upper side of the mounting notch to cover the mounting notch.
In one embodiment, the chassis defines an installation space, the installation space is located between the installation notch and the accommodating cavity, the installation space is communicated with the accommodating cavity in an unobscured mode, and the control panel module is horizontally arranged in the installation space.
In one embodiment, the chassis has two control board sliding grooves respectively disposed at left and right sides of the installation space, and the control board sliding grooves are used for allowing the control board module to slide into the installation space at the top of the chassis and supporting the control board module when the control board module slides into the installation space.
In one embodiment, in the process of sliding the control panel module to the installation space, the control panel module is in an inclined state, the rear end of the control panel module is positioned above the installation space, and the front end of the control panel module slides to a preset position along two control panel sliding grooves;
Under the condition that the front end of the control panel module slides to a preset position, the rear end of the control panel module is used for rotating towards the installation space by taking the front end of the control panel module as a rotating shaft under the action of external force, so that the control panel module is horizontally accommodated in the installation space.
In one embodiment, the chassis further defines a positioning post, the positioning post is located at a front side of the control board module, and when the front end of the control board module slides to a predetermined position, the positioning post abuts against the front end of the control board module.
In one embodiment, the control board chute defines a connection hole, and the control board module and the control board chute are fixed by a screw fastened to the connection hole.
In one embodiment, the plate module has a signal port extending vertically to the receiving cavity, and the top of the computing plate module has a signal interface that is connected opposite the signal port.
According to the virtual digital currency processing equipment provided by the embodiment of the application, the computing board module in the chassis is connected with the power supply outside the chassis through the conductive copper strip, so that the connection is convenient, and the conductive performance is stable.
The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present application will become apparent by reference to the drawings and the following detailed description.
Drawings
In the drawings, the same reference numerals refer to the same or similar parts or elements throughout the several views unless otherwise specified. The figures are not necessarily drawn to scale. It is appreciated that these drawings depict only some embodiments according to the disclosure and are not therefore to be considered limiting of its scope.
FIG. 1 is a perspective view of a virtual digital money handling apparatus according to an embodiment of the present application;
FIG. 2 is a split structure view of a virtual digital money handling apparatus according to an embodiment of the present application;
FIG. 3 is a schematic diagram showing an installation process of a control board module of the virtual digital money handling apparatus according to an embodiment of the present application;
Fig. 4 is an enlarged view at F of fig. 2;
FIG. 5 is an enlarged view at G of FIG. 3;
FIG. 6 is a split block diagram of a conductive structure, a computing board module, and a control board module of a virtual digital money handling apparatus according to an embodiment of the present application;
FIG. 7 is an enlarged view at E of FIG. 6;
fig. 8 is a top view (top cover and control board module are not shown) of a virtual digital money handling apparatus according to an embodiment of the present application.
Reference numerals illustrate:
10-virtual digital currency processing equipment, 100-a case, 100 b-a side wall of the case, 100 c-a top cover, 101-an aluminum plastic part and 102-a sheet metal part;
110-plug-in openings, 120-ventilation openings, 130-conductive notches, 140-insulators, 150-control board sliding grooves, 150 a-connecting holes, 160-mounting notches, 170-top cover sliding grooves, 180-movement positioning columns and 190-interface outlets;
200. 200a, 200 b-computing board modules, 210-power interface, 211-copper strip connection board, 211S-conductive plane, 220-computing board, 230-heat sink, 240-signal interface;
300-control board module, 300 a-first end, 300 ab-second end, 310-signal port, 320-fan interface, 330-network interface;
400-conductive structure, 410-conductive copper strip, 411-copper strip section in case, 411 a-first copper strip section, 411 b-second copper strip section, 412-copper strip section outside case, 412 a-third copper strip section, 412 b-fourth copper strip section;
500-fans, 600-power supply.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
Fig. 1 is a perspective view of a virtual digital money handling apparatus 10 according to an embodiment of the present application, fig. 2 is a split view of the virtual digital money handling apparatus 10 according to an embodiment of the present application, fig. 3 is a schematic view of an installation process of a control board module 300 of the virtual digital money handling apparatus 10 according to an embodiment of the present application, fig. 4 is an enlarged view at F of fig. 2, fig. 5 is an enlarged view at G of fig. 3, fig. 6 is a split view of a conductive structure 400, a computing board module 200, and a control board module 300 of the virtual digital money handling apparatus 10 according to an embodiment of the present application, fig. 7 is an enlarged view at E of fig. 6, and fig. 8 is a plan view of the virtual digital money handling apparatus according to an embodiment of the present application (top cover 100c and control board module 300 are not shown).
Referring to fig. 1 to 8, a virtual digital money handling apparatus 10 according to an embodiment of the present application includes a cabinet 100, a computing board module 200, a control board module 300, a power supply 600, a fan 500, and a conductive copper tape 410.
The cabinet 100 defines a receiving chamber in which the computing board module 200 is disposed, and the top of the computing board module 200 is provided with an upwardly protruding power interface 210. The power supply 600 and the fan 500 are respectively disposed at two adjacent side portions of the chassis 100, and the fan 500 is used for promoting airflow to flow between the inside of the accommodating cavity and the outside of the chassis 100, so as to dissipate heat and cool the computing board module 200, and ensure that the computing board module 200 works normally.
The power supply 600 is electrically connected to the conductive copper tape 410 as the conductive structure 400, the power supply 600 has a power terminal provided at the top thereof, and the conductive copper tape 410 is connected between the power interface 210 of the computing board module 200 and the power terminal of the power supply 600. Thus, the connection between the computing board module 200 and the power supply 600 is more convenient, and the stability of the conductivity is improved.
It will be appreciated that there are two conductive copper strips 410, one conductive copper strip 410 being connected to the positive power terminal of the power supply 600 and the other conductive copper strip 410 being connected to the negative power terminal of the power supply 600.
The chassis 100, the power supply 600 and the fan 500 are all vertically arranged, so that the height space is fully utilized, the occupied space of the equipment 10 in the horizontal direction is reduced, and the power supply 600 with larger weight is arranged on the side wall of the chassis 100 instead of being pressed on the top of the chassis 100, so that the damage to the control board module 300 and the computing board module 200 in the chassis 100 caused by the damage of the top of the chassis 100 due to long-time load is avoided.
Illustratively, the power supply 600 is disposed at one sidewall, e.g., the left sidewall, of the chassis 100 in the left-right direction. The fan 500 is disposed on a front side wall of the chassis 100, and a power interface is disposed in a region of the front side wall adjacent to the lower end of the power supply 600, so as to facilitate wiring. The front side wall of the power supply 600 is flush with the front side wall of the chassis 100, maintaining the overall aesthetics of the device.
The number of fans 500 is two, and the two fans 500 are vertically arranged on the front side wall of the chassis 100, and are positioned above the uppermost fan 500 without shielding. The fan 500 is fixed to the front sidewall of the cabinet 100 by four screw posts passing through four corners of the fan 500.
The control panel module 300 below is provided with electrically conductive copper strips 410, and electrically conductive copper strips 410 below is provided with the calculation panel module 200, compact structure reduces space occupation.
In one embodiment, the power interface 210 of the computing board module 200 includes a copper tape connection board 211, the copper tape connection board 211 including a conductive plane 211S extending horizontally. Conductive copper strip 410 includes an in-chassis copper strip section 411, in-chassis copper strip section 411 being a copper strip section located within the housing of chassis 100, in-chassis copper strip section 411 including a first copper strip section 411a and a second copper strip section 411b that are vertically connected. The first copper strip section 411a is connected to the power interface 210 of the computing board module 200, the first copper strip section 411a extends along the horizontal direction and is in surface contact connection with the conductive plane 211S, and the second copper strip section 411b is connected to the power terminal of the power supply 600. The conductive structure 400 of the embodiment of the application is connected with the conductive plane 211S of the computing board module 200 through the conductive copper strip 410 to realize conductivity, and has convenient connection and stable conductive performance.
Illustratively, the conductive copper strip 410 is connected with the conductive plane 211S through threads, and the structure is simple and the connection is tight.
The chassis 100 includes a conductive notch 130, the conductive notch 130 is a through hole disposed on a side wall 100b of the chassis 100 for passing through a conductive copper strip 410, and the conductive copper strip 410 passes through the conductive notch 130 from inside the chassis 100 to outside the chassis 100. In addition, in order to isolate the conductive copper strip 410 from the case wall 100b of the chassis 100, the conductive notch 130 is provided with an insulating member 140, and the insulating member 140 is, for example, a plastic member clamped at the conductive notch 130.
The conductive copper strip 410 further includes an external copper strip section 412, where the external copper strip section 412 is a copper strip section located outside the box of the chassis 100, and the external copper strip section 412 is connected between the second copper strip section 411b and the power terminal of the power supply 600. That is, the second copper strap section 411b connects the case-outside copper strap section 412, and the case-outside copper strap section 412 connects with the power terminal of the power source 600, thereby connecting the computing board module 200 with the power source 600.
The copper strip section 411 inside the case and the copper strip section 412 outside the case are connected at the conductive notch 130. In an embodiment of the present application, the outer periphery of the copper strip section 412 outside the chassis of the conductive structure 400 may be shielded by a cover to enhance the security thereof.
The computing board module 200 is inserted into the chassis 100 in a vertical state as a whole. The first copper strip section 411a extends horizontally, i.e., the first copper strip section 411a is perpendicular to the computing board module 200. The conductive plane 211S of the power interface 210 of the computing board module 200 extends horizontally, and the first copper strip segment 411a extending horizontally is connected with the surface of the conductive plane 211S extending horizontally in a contact manner, so that the stability of electrical contact is facilitated.
The second copper strip section 411b is perpendicular to the first copper strip section 411a, i.e., the second copper strip section 411b extends vertically and is parallel to the computing board module 200 as a whole, and the second copper strip section 411b is parallel to the box wall 100b where the conductive gap 130 is located. The second copper strip section 411b is connected to the copper strip section 142 outside the chassis through the conductive notch 130, and is further connected to a power terminal of the external power supply 600 through the copper strip section 142 outside the chassis.
In one embodiment, the out-of-box copper strip section 412 includes a third copper strip section 412a and a fourth copper strip section 412b that are vertically connected, wherein the third copper strip section 412a connects the power terminals of the power supply 600 and the fourth copper strip section 412b connects the second copper strip section 411b of the in-box copper strip section 411. Specifically, the third copper strip section 412a extends along a horizontal direction, is perpendicular to the computing board module 200, and is connected to a power terminal disposed at the top end of the power supply 600, the fourth copper strip section 412b extends along a vertical direction, and is parallel to the computing board module 200, that is, the fourth copper strip section 412b is parallel to the second copper strip section 411b, and the fourth copper strip section 412b is in surface contact connection with the second copper strip section 411b at the conductive notch 130, for example, through threaded connection, so that the assembly and disassembly are convenient.
In one embodiment of the present application, a conductive interface is disposed at the conductive notch 130, and the power source 600 is plugged into the conductive interface. In this embodiment, the power supply selection is diversified, and the corresponding external power supply can be selected according to the number of the computing board modules 200 and the power requirement, so that the expandability is higher.
The virtual digital currency processing equipment 10 provided by the embodiment of the application has the advantages of good conductivity, simple and small overall structure and easy disassembly and assembly.
The chassis 100 also includes a top cover 100c, the top cover 100c being flush with the front side wall of the chassis 100, maintaining the overall aesthetics of the device.
In one embodiment, the top cover 100c has a horizontal plate that extends horizontally. The top of the cabinet 100 is defined with a horizontally extending mounting notch 160 and a shielding plate at the rear side of the mounting notch, and a horizontal plate is covered over the mounting notch 160 and is flush with the shielding plate, so that the top of the cabinet 100 is not completely opened but is defined by the shielding plate and the mounting notch 160 together.
The control board module 300 is located above the computing board module 200. Specifically, the chassis 100 defines an installation space between the installation gap 160 and the receiving chamber for receiving the computing board module 200, the installation space is in non-shielding communication with the receiving chamber, and the control board module 300 slides into the installation space through the installation gap 160 and is finally horizontally disposed in the installation space.
After the control board module 300 is slidably mounted in the chassis 100 and is fastened to the control board chute 150, the top cover 100c covers the mounting notch 160 to prevent dust or sundries from entering the mounting space and enhance the aesthetic property of the chassis 100.
The top of the chassis 100 further defines two top cover sliding grooves 170, and the two top cover sliding grooves 170 are respectively located on two left sides above the mounting notch 160, and the top cover sliding grooves 170 are used for sliding the top cover 100c above the mounting notch 160 to cover the mounting notch 160.
The chassis 100 has two control board sliding grooves 150 respectively provided at left and right sides of the installation space, and the two control board sliding grooves 150 are used for allowing the control board module 300 to slide into the installation space at the top of the chassis 100 and supporting the control board module 300 when the control board module 300 slides into the installation space. Thereby providing a sliding path for the installation of the control board module 300, making the installation of the control board module 300 more convenient and quick, and easy to operate.
In one embodiment, as shown in fig. 3, 4 and 5, the control board module 300 has a front end 300a and a rear end 300b, and the control board module 300 is in an inclined state in the process of sliding the control board module 300 to the installation space, the rear end 300b of the control board module 300 is located above the installation space, and the front end 300a of the control board module 300 slides to a predetermined position along the two control board sliding grooves 150. In the case that the front end 300a of the control board module 300 is slid to a predetermined position, the rear end 300b of the control board module 300 is used to rotate toward the installation space with the front end 300a of the control board module 300 as a rotation axis under the action of an external force, so that the control board module 300 is accommodated in the installation space in a horizontal state, thereby completing the installation of the control board module 300. The whole installation process is simple and easy to operate.
In one embodiment, the chassis 100 further defines a positioning post 180, the positioning post 180 is located at the front side of the control board module 300, and when the front end 300a of the control board module 300 slides to a predetermined position, the positioning post 180 abuts against the front end 300a of the control board module 300. The sliding of the control board module 300 through the positioning column 180 provides positioning, so that the control board module 300 can be installed in place, thereby improving the installation accuracy of the control board module 300 and simplifying the installation process.
The control board chute 150 defines a connection hole 150a, and the control board module 300 and the control board chute 150 are fixed by screws fastened to the connection hole 150a, thereby ensuring stable installation of the control board module 300.
The control board module 300 has a signal port 310 that extends vertically to the receiving cavity. The top of the computing pad module 200 also has a signal interface 240, the signal interface 240 being connected opposite the signal port 310.
The control board module 300 has a fan interface 320, the fan interface 320 extends from a lower side of a front end 300a of the control board module 300 toward a front sidewall of the cabinet 100, the front sidewall of the cabinet 100 defines an interface outlet 190, and the fan interface 320 is disposed through the interface outlet 190 to be connected with the fan 500.
The control board module 300 also has a network interface 330, the network interface 330 extending from the underside of the front end 300a of the control board module 300 toward the front side wall of the chassis 100, i.e., toward the fan 500. The network interface 330 passes out of the interface outlet 190 to facilitate network connection.
The number of the computing board modules 200 and the number of the fans 500 are two, and the two computing board modules 200 are arranged in the accommodating cavity of the chassis 100 in the left-right direction, so that heat dissipation of each computing board template 200 is facilitated. Two fans 500 are hung on the front side wall of the cabinet 100. The two fan interfaces 320 and the two network interfaces 330 are respectively distributed along the left and right, and the two fan interfaces 320 are respectively connected with the two fans 500 to control the opening, closing and gear of the fans 500. The two network interfaces 330 are respectively connected with the two computing board modules 200, so as to realize the transmission of network information between the computing board modules 200 and the outside.
The conductive copper strip 410 and the control board module 300 are respectively connected with each computing board module 200. As shown in fig. 6, the conductive copper strip 410 and the control board module 300 are respectively connected with the power interface 210 and the signal interface of the computing board module 200a and the computing board module 200b to simultaneously supply power to and transmit signals to the computing board module 200a and the computing board module 200 b.
Referring to fig. 1 to 3, there are five power terminals disposed at the top of the power supply, one of the conductive copper strips 410 is connected between the power interface 210 of one of the computing board modules 200 and two adjacent power terminals, the other conductive copper strip 410 is connected between the power interface 210 of the other computing board module 200 and two adjacent power terminals, and the other power terminal is used as a standby.
As shown in fig. 2, the computing board module 200 further includes a computing board 220 and a heat sink 230, where the heat sink 230 is, for example, a fin-plate heat sink, and the heat sink 230 is fixed on one side of the computing board 220, and in other embodiments, the heat sink 230 may be fixed on two sides of the computing board 220 (as shown in fig. 6), and three heat sinks 230 are respectively fixed on one side of the computing board 220. Specifically, the computing plate 220 is fixed to one side of the heat sink 230 by spring screws or the like, or is fixed in the middle of two heat sinks 230, and a heat dissipation channel is formed between the fins of the heat sink 230 and the cabinet 100.
As shown in fig. 2, the chassis 100 of the virtual digital money handling apparatus 10 according to the embodiment of the present application includes an aluminum-plastic part 101 and a sheet metal part 102, and the sheet metal part 102 is connected to the top and the bottom of the aluminum-plastic part 101, that is, the top and the bottom of the chassis 100 according to the embodiment of the present application are formed by an aluminum-plastic process, and the middle part is formed by a sheet metal process. The power supply 600 and the fan 500 are respectively mounted on the corresponding sheet metal parts 102. The slots of the control board chute 150, the top cover chute 170 and the computing board module 200 are respectively arranged on the aluminum-plastic parts 101 at the top and the bottom, so that the process is convenient and the cost is low.
In the embodiment of the present application, the two ends of the chassis 100 are respectively provided with the insertion opening 110 and the ventilation opening 120, and the computing board module 200 is pushed into the chassis 100 from the insertion opening 110, or pulled out from the insertion opening 110 in the chassis 100, so as to facilitate maintenance and repair of various components and other components on the computing board module 200. Wherein, the plug-in opening 110 is provided with a cover body for covering the plug-in opening 110 to fix the computing board module 200, and the ventilation opening 120 is connected with a fan 500.
In other embodiments, the chassis 100 is turned ninety degrees together with the computing board module 200 and the control board module 300, and the computing board module 200 is stacked in a horizontal manner, and the control board module 300 is connected to the side of the computing board module 200, which is within the scope of the present application.
In the description of the present specification, it should be understood that the terms "length," "upper," "lower," "front," "rear," "left," "right," "vertical," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "connected," "coupled," and the like may be either electrical or in communication, may be directly or indirectly coupled through intermediaries, or may be in communication with each other or in an interaction relationship between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The above disclosure provides many different embodiments, or examples, for implementing different structures of the application. The foregoing description of specific example components and arrangements has been presented to simplify the present disclosure. They are, of course, merely examples and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.