阅读说明：本技术 一种家用可防止意外触电隐藏式智能壁式智能插座 (Household hidden intelligent wall-type intelligent socket capable of preventing accidental electric shock ) 是由 吴绪栋 于 2021-08-02 设计创作，主要内容包括：本发明公开了一种家用可防止意外触电隐藏式智能壁式智能插座,包括隐藏式插座,所述隐藏式插座由开设与墙面上的隐藏内墙、与家庭电网连接的安装机构、总电插头、第一滑动盘、安装框、附属插座、第二滑动盘、过孔滑环、呈空心圆柱体的卡接内框、滑动轴承、电池机构构成,所述隐藏内墙内部安装有安装机构,所述安装机构内部包括有底部通过转动轴与隐藏内墙相互转动连接的安装平台,所述安装平台表面开设有电源接口。本装置通过设置电池机构可以在装置断电时为电器短时间内补充电力,从而避免因为突然断电导致电器损坏,并且还通过电池本体之间串联的方法提高输出电压,使得本装置在断电情况下为大部分电器提供电力效果。(The invention discloses a household hidden intelligent wall-mounted intelligent socket capable of preventing accidental electric shock, which comprises a hidden socket, wherein the hidden socket is formed by a hidden inner wall arranged on a wall surface, an installation mechanism connected with a household power grid, a main electric plug, a first sliding disc, an installation frame, an auxiliary socket, a second sliding disc, a via hole sliding ring, a clamping inner frame in a hollow cylinder shape, a sliding bearing and a battery mechanism, the installation mechanism is arranged in the hidden inner wall, an installation platform with the bottom rotationally connected with the hidden inner wall through a rotating shaft is arranged in the installation mechanism, and a power supply interface is arranged on the surface of the installation platform. This device can supply electric power for electrical apparatus short time when the device outage through setting up battery mechanism to avoid leading to electrical apparatus to damage because of outage suddenly, and still improve output voltage through the method of establishing ties between the battery body, make this device provide the electric power effect for most electrical apparatus under the outage condition.)

1. The utility model provides a domestic hidden intelligent wall type smart jack that can prevent accidental electric shock which characterized in that: the household power socket comprises a hidden socket (1), wherein the hidden socket (1) consists of a hidden inner wall (2) arranged on a wall surface, an installation mechanism (3) connected with a household power grid, a total electric plug (4), a first sliding disc (5), an installation frame (6), an auxiliary socket (7), a second sliding disc (8), a via hole sliding ring (9), a clamping inner frame (10) in a hollow cylinder shape, a sliding bearing (11) and a battery mechanism (12), the installation mechanism (3) is arranged inside the hidden inner wall (2), an installation platform (301) with the bottom rotationally connected with the hidden inner wall (2) through a rotating shaft is arranged inside the installation mechanism (3), a power interface (307) is arranged on the surface of the installation platform (301), the total electric plug (4) used for leading in current is inserted into the power interface (307), and the first sliding disc (5) is arranged at the other end of the total electric plug (4), first slip dish (5) up end rotates through the bearing and is connected with installing frame (6), installing frame (6) side equidistance all around has seted up ann slot (601), ann slot (601) internally mounted has attached socket (7), installing frame (6) are decided the terminal surface and are connected with second slip dish (8) through the bearing rotation, installing frame (6) center is installed via hole sliding ring (9) and slide bearing (11) that are close to second slip dish (8) that are close to first slip dish (5) respectively through the fluting, both ends about joint inside casing (10) are installed respectively in slide bearing (11) and via hole sliding ring (9), battery mechanism (12) of prevention outage are installed to joint inside casing (10) bottom surface.

2. The household concealed intelligent wall-type intelligent socket capable of preventing accidental electric shock as claimed in claim 1, wherein: installation mechanism (3) is inside still including two sets of first fluting (302) of seting up in mounting platform (301) up end, first fluting (302) inner wall is installed and is had spring (303), spring (303) other end fixedly connected with joint in the inboard limiting plate (304) of first fluting (302), mounting platform (301) side fixedly connected with hides door (305), the terminal surface installs support handle (306) that can accomodate before hiding door (305).

3. The household concealed intelligent wall-type intelligent socket capable of preventing accidental electric shock as claimed in claim 1, wherein: and a main electric socket (801) used for connecting a main electric plug (4) is formed in the surface of the second sliding disc (8), and the two mounting frames (6) can be spliced in a way of head connection.

4. The household concealed intelligent wall-type intelligent socket capable of preventing accidental electric shock as claimed in claim 1, wherein: the auxiliary socket (7) is internally provided with a first socket board (701) capable of being inserted into the inserting groove (601), one side of the outer wall of the first socket board (701) is fixedly connected with a second socket board (702) inserted into the inserting groove (601), an included angle between the first socket board (701) and the second socket board (702) is 150 degrees, the top surface of the first socket board (701) is provided with a magic tape (703) capable of being used for fixing a lead, and the bottom of the first socket board (701) is provided with a bypass plug (704).

5. The household concealed intelligent wall-type intelligent socket capable of preventing accidental electric shock as claimed in claim 1, wherein: the insertion slot (601) is internally provided with a bypass socket (602) which is provided with a bypass plug (704).

6. The household concealed intelligent wall-type intelligent socket capable of preventing accidental electric shock as claimed in claim 1, wherein: a second open groove (1101) is formed in one side, close to the second sliding disc (8), of the sliding bearing (11), and a separating handle (1102) is rotatably connected to the inner wall of the second open groove (1101) through a rotating shaft.

7. The household concealed intelligent wall-type intelligent socket capable of preventing accidental electric shock as claimed in claim 1, wherein: the battery mechanism (12) is internally provided with a connecting plate (1201) which is arranged on the bottom surface of the clamping inner frame (10) through a bolt, one end of the connecting plate (1201) is rotatably connected with a protection outer frame (1202) through a bearing, a battery body (1203) is arranged inside the protection outer frame (1202), and the protection outer frame (1202) can be inserted into the inner wall of the clamping inner frame (10) when the mounting frames (6) are mutually spliced at the head.

8. The household concealed intelligent wall-type intelligent socket capable of preventing accidental electric shock as claimed in claim 7, wherein: the battery bodies (1203) are connected in series with each other.

Technical Field

The invention relates to the field of sockets, in particular to a household hidden intelligent wall-type intelligent socket capable of preventing accidental electric shock.

Background

The socket is also called as a power socket and a switch socket. A socket is a receptacle into which one or more circuit connections can be inserted, through which various connections can be inserted.

Under the condition of the sudden power failure of family among the prior art, electric power can generally be picked up immediately to the electrical apparatus, leads to the condition that the electrical apparatus damaged, and current socket can't accomodate longer wire rod simultaneously, leads to the wire rod to often pile up subaerial in a jumble to current socket is hidden and is accomodate, leads to not too pleasing to the eye problem.

Therefore, the hidden intelligent wall-type intelligent socket capable of preventing accidental electric shock for household is provided to solve the problems.

Disclosure of Invention

The invention aims to provide a household hidden intelligent wall-type intelligent socket capable of preventing accidental electric shock so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a household hidden intelligent wall-type intelligent socket capable of preventing accidental electric shock comprises a hidden socket, wherein the hidden socket is composed of a hidden inner wall arranged on a wall surface, an installation mechanism connected with a household power grid, a main electric plug, a first sliding disc, an installation frame, an auxiliary socket, a second sliding disc, a via hole sliding ring, a hollow cylindrical clamping inner frame, a sliding bearing and a battery mechanism, the installation mechanism is arranged inside the hidden inner wall, the installation mechanism comprises an installation platform, the bottom of the installation platform is mutually and rotatably connected with the hidden inner wall through a rotating shaft, a power interface is arranged on the surface of the installation platform, the main electric plug used for leading in current is inserted into the power interface, the first sliding disc is arranged at the other end of the main electric plug, the upper end surface of the first sliding disc is rotatably connected with the installation frame through a bearing, and installation slots are arranged around the side surface of the installation frame at equal intervals, the slot internally mounted of ann has affiliated socket, the terminal surface is decided to the installation frame and is connected with the second sliding tray through the bearing rotation, the installation frame center is installed the via hole sliding ring that is close to first sliding tray and the slide bearing that is close to the second sliding tray respectively through the fluting, both ends about the joint inside casing are installed respectively to slide bearing and via hole sliding ring, the battery mechanism of prevention outage is installed to joint inside casing bottom surface.

In a further embodiment, the installation mechanism further includes two sets of first slots arranged on the upper end surface of the installation platform, a spring is installed on the inner wall of the first slot, the other end of the spring is fixedly connected with a limiting plate clamped on the inner side of the first slot, the installation platform is fixedly connected with a hidden door on the side surface, a retractable supporting handle is installed on the front end surface of the hidden door, and the effect is that: the mounting mechanism has the advantages that the mounting mechanism has a supporting effect on the main structure of the device, meanwhile, the main structure can be kept in a parallel state with the ground through a rotating method, the use by a user is facilitated, the supporting effect on the hidden door is achieved by the aid of the supportability of the supporting handle, and when the device is not used, the hidden door only needs to be closed.

In a further embodiment, the surface of the second sliding disk is provided with a main electric socket for connecting a main electric plug, and the two mounting frames can be spliced in a first connection mode, so that the effect is as follows: this structure utilizes the method that the installing frame can multilayer accumulate to let the installing frame superpose layer upon layer to form the effect that the concatenation formula was accomodate, simultaneously utilizing the process of concatenation, let total electric plug and total electric socket interconnect, form series circuit, thereby play the effect of circular telegram.

In a further embodiment, the inside of the auxiliary socket includes a first socket board capable of being inserted into the insertion slot, one side of the outer wall of the first socket board is fixedly connected with a second socket board inserted into the insertion slot, an included angle between the first socket board and the second socket board is 150 °, a magic tape capable of being used for fixing a wire is installed on the top surface of the first socket board, a bypass plug is installed at the bottom of the first socket board, and the effect is as follows: first socket and second socket of at first this structure no longer on the coplanar, the user both can use three hole plugs like this, can use the diplopore plug again, the position to diplopore and three hole plug settings among the prior art is very close to, when leading to inserting the diplopore socket, three hole plugs just can't insert, this device can be dismantled down, for other power plug provide the extension effect, also can not dismantle, it is comfortable to the wire rod to utilize the magic subsides, help the wire rod winding at the rotatable function of rotation installing frame.

In a further embodiment, the inside bypass socket that has seted up and to insert bypass plug of ann slot, the effect is: the bypass socket can help the auxiliary socket to be connected with a power supply, and meanwhile, the slot has the effect of accommodating the auxiliary socket.

In a further embodiment, one side of the sliding bearing close to the second sliding disc is provided with a second slot, the inner wall of the second slot is rotatably connected with a separation handle through a rotating shaft, and the effect is as follows: the through-hole slip ring and the sliding bearing which are arranged in the device can fix the clamping inner frame, and the separating handle on the sliding bearing can also conveniently detach the two mounting frames.

In further embodiment, the inside connecting plate of installing in joint inside casing bottom surface through the bolt that includes of battery mechanism, connecting plate one end is rotated through the bearing and is connected with the protection frame, protection frame internally mounted has battery body, two when the mutual first concatenation of installing frame the protection frame can be inserted in the inner wall of joint inside casing, and the effect is: this device can be for electrical apparatus continuous circular telegram when the circuit outage suddenly of family through battery mechanism, prevents that some electrical apparatus from appearing the condition of outage suddenly and leading to electrical apparatus to damage.

In a further embodiment, the battery bodies are connected in series with each other, and the effect is as follows: the voltage output by the device can be increased by a method of connecting a plurality of battery bodies in series, so that the requirements of most of appliances are met.

Compared with the prior art, the invention has the beneficial effects that:

1. the device can supplement power for the electrical appliance in a short time when the device is powered off by arranging the battery mechanism, thereby avoiding the damage of the electrical appliance caused by sudden power failure, and also improves the output voltage by a method of connecting the battery bodies in series, so that the device can provide power effect for most electrical appliances under the condition of power failure;

2. the device is provided with the auxiliary socket and the mounting frames, the mounting frames can wind the wires inserted into the auxiliary socket by a rotating method, longer wires can be effectively stored, each mounting frame can rotate independently without interference, the auxiliary socket can be pulled out to be used as an expansion socket of other power sockets, and a three-wire plug and a two-wire plug can be simultaneously inserted;

3. this device can hide the socket structure through setting up hidden interior wall and installation mechanism, avoids the socket part to expose outside for a long time, and installation mechanism can also let socket and ground directly transversely put simultaneously, makes things convenient for the staff operation.

Drawings

Fig. 1 is a schematic diagram of an internal three-dimensional structure of a household concealed intelligent wall-type intelligent socket capable of preventing accidental electric shock;

fig. 2 is a schematic structural diagram of an external three-dimensional structure of a household concealed intelligent wall-type intelligent socket capable of preventing accidental electric shock;

fig. 3 is a schematic structural diagram of the top view of the interior of the household concealed intelligent wall-type intelligent socket capable of preventing accidental electric shock;

fig. 4 is a schematic sectional structural view of a mounting frame in a household concealed intelligent wall-type intelligent socket capable of preventing accidental electric shock;

FIG. 5 is a schematic structural diagram of a mounting mechanism in a household concealed smart wall outlet capable of preventing accidental electric shock;

fig. 6 is a schematic structural view of the right side of the mounting frame in the household concealed intelligent wall-type intelligent socket capable of preventing accidental electric shock;

fig. 7 is a schematic structural view of the left side of an installation frame in a household concealed intelligent wall-type intelligent socket capable of preventing accidental electric shock;

fig. 8 is a schematic structural diagram of an auxiliary socket in a household concealed intelligent wall-type intelligent socket capable of preventing accidental electric shock;

fig. 9 is a schematic structural view of a side surface of a mounting frame in the household concealed intelligent wall-type intelligent socket capable of preventing accidental electric shock;

fig. 10 is a schematic structural view of a cross section a-a in fig. 9 of a household concealed intelligent wall-type smart socket capable of preventing accidental electric shock.

In the figure: 1. a concealed socket; 2. hiding the inner wall; 3. an installation mechanism; 301. mounting a platform; 302. a first slot; 303. a spring; 304. a limiting plate; 305. a hidden door; 306. a support handle; 307. a power interface; 4. a mains plug; 5. a first sliding tray; 6. installing a frame; 601. inserting a slot; 602. a bypass receptacle; 7. an accessory socket; 701. a first socket board; 702. a second socket board; 703. magic tape; 704. a bypass plug; 8. a second sliding tray; 801. a main electrical outlet; 9. a via slip ring; 10. clamping the inner frame; 11. a sliding bearing; 1101. a second slot; 1102. separating the handle; 12. a battery mechanism; 1201. a connecting plate; 1202. a protective outer frame; 1203. a battery body.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, in an embodiment of the present invention, a household hidden smart wall socket capable of preventing accidental electric shock, a hidden socket 1 includes a hidden inner wall 2 formed on a wall surface, an installation mechanism 3 connected to a household power grid, a main electrical plug 4, a first sliding disk 5, an installation frame 6, an auxiliary socket 7, a second sliding disk 8, a via-hole slip ring 9, a hollow cylindrical clamping inner frame 10, a sliding bearing 11, and a battery mechanism 12, the installation mechanism 3 is installed inside the hidden inner wall 2, the installation mechanism 3 further includes two sets of first slots 302 formed in an upper end surface of an installation platform 301, a spring 303 is installed on an inner wall of each first slot 302, a limiting plate 304 clamped inside the first slot 302 is fixedly connected to another end of the spring 303, a hidden door 305 is fixedly connected to a side surface of the installation platform 301, and a foldable support handle 306 is installed on a front end surface of the hidden door 305, when the user need open and hide at the in-wall device, at first need stimulate support handle 306, let hide door 305 and mounting platform 301 and rotate around the rotation center of hiding interior wall 2 inside together, when hiding door 305 rotatory to keeping parallel state with ground, can support ground with support handle 306, when the surperficial winding wire of installing frame 6, limiting plate 304 can play to the wire and press and spacing effect, first fluting 302 pushes away limiting plate 304 inwards always in addition simultaneously, guarantee the laminating nature between limiting plate 304 and the wire.

The mounting mechanism 3 comprises a mounting platform 301 with the bottom rotatably connected with the hidden inner wall 2 through a rotating shaft, a power supply interface 307 is arranged on the surface of the mounting platform 301, a main plug 4 for leading in current is inserted into the power supply interface 307, a first sliding disc 5 is arranged at the other end of the main plug 4, the upper end surface of the first sliding disc 5 is rotatably connected with a mounting frame 6 through a bearing, the fixed end surface of the mounting frame 6 is rotatably connected with a second sliding disc 8 through a bearing, a main electric socket 801 for connecting the main electric plug 4 is arranged on the surface of the second sliding disc 8, the two mounting frames 6 can be spliced in a first connection mode, the mounting frames 6 can be subjected to multilayer accumulation through a splicing method, when the first splicing is carried out, the main electric socket 801 on the second sliding disc 8 and the main electric plug 4 are required to be kept in a corresponding state and then are connected with each other, so that the first necklace method can keep the two mounting frames 6 connected in series, each mounting frame 6 can receive electric power, and the sliding bearing 11 and the via hole sliding ring 9 are respectively mounted at the left end and the right end of the clamping inner frame 10.

Example 1

Referring to fig. 1-10, in an embodiment of the present invention, a household hidden smart wall socket capable of preventing accidental electric shock is provided, where insertion slots 601 are equidistantly formed around a side surface of a mounting frame 6, an accessory socket 7 is installed inside the insertion slot 601, a first socket plate 701 capable of being inserted into the insertion slot 601 is included inside the accessory socket 7, a second socket plate 702 inserted into the insertion slot 601 is fixedly connected to one side of an outer wall of the first socket plate 701, an included angle between the first socket plate 701 and the second socket plate 702 is 150 °, a magic tape 703 capable of fixing a lead is installed on a top surface of the first socket plate 701, a bypass plug 704 is installed at a bottom of the first socket plate 701, a double-hole plug and a three-hole plug are installed on the first socket plate 701 and the second socket plate 702 on the accessory socket 7, respectively, and are used for connecting different electrical appliances, a user can directly insert a plug into the accessory socket 7, can also pull out appurtenant socket 7 from ann slot 601, insert on other supply socket for the extension of circuit, if the user does not pull out appurtenant socket 7, directly insert the plug on appurtenant socket 7, can tie the wire rod through magic subsides 703, then through rotating installing frame 6 itself, constantly twine the wire rod to accomodate longer wire rod.

The bypass socket 602 which is provided with the bypass plug 704 is arranged in the inserting groove 601, the inserting groove 601 is mainly used for placing the auxiliary socket 7, the bypass socket 602 mainly has the effect that the auxiliary socket 7 can be powered on, and the shape of the inserting groove 601 is consistent with that of the auxiliary socket 7, so that the auxiliary socket 7 can be perfectly installed.

Example 2

Referring to fig. 1 to 10, the difference from embodiment 1 is: the installation frame 6 center is installed respectively through the fluting and is close to the via hole sliding ring 9 of first sliding tray 5 and the slide bearing 11 that is close to second sliding tray 8, slide bearing 11 has been close to one side of second sliding tray 8 and has been seted up second fluting 1101, the slotted 1101 inner wall of second is connected with separation handle 1102 through the axis of rotation, the last separation handle 1102 of slide bearing 11 can help dismantling between two installation frames 6, slide bearing 11 and via hole sliding ring 9 have played the effect of fixing joint inside casing 10 again simultaneously.

The battery mechanism 12 for preventing power failure is installed on the bottom surface of the clamping inner frame 10, the connecting plate 1201 installed on the bottom surface of the clamping inner frame 10 through a bolt is included inside the battery mechanism 12, one end of the connecting plate 1201 is rotatably connected with the protection outer frame 1202 through a bearing, the battery body 1203 is installed inside the protection outer frame 1202, the protection outer frame 1202 can be inserted into the inner wall of the clamping inner frame 10 when the two mounting frames 6 are mutually spliced in the first position, the battery mechanism 12 is a bypass of the device, the circuit can continuously charge the battery body 1203, when the socket is suddenly powered off, the battery body 1203 can continuously provide electric power for an electric appliance for a period of time, the situation that the electric appliance, particularly a computer device, is damaged due to sudden power failure of the device is prevented, the protection outer frame 1202 of the device can be inserted into the inner wall of the clamping inner frame 10, and effective splicing between the mounting frames 6 is achieved.

The battery bodies 1203 are connected in series, the voltage which can be output by a single battery body 1203 is very low, and in order to increase the output voltage, the structure can increase the output voltage by using a mode that a plurality of battery bodies 1203 are connected in series.

The working principle of the invention is as follows:

when a user needs to open the device hidden in the wall body, the supporting handle 306 needs to be pulled first, the hidden door 305 and the mounting platform 301 rotate together around the rotation center inside the hidden inner wall 2, when the hidden door 305 rotates to be parallel to the ground, the supporting handle 306 can be used for supporting the ground, when the surface of the mounting frame 6 is wound with wires, the limiting plate 304 can play a role in pressing and limiting the wires, meanwhile, the first slot 302 pushes the limiting plate 304 inwards all the time to ensure the fitness between the limiting plate 304 and the wires, the mounting frame 6 can be subjected to multilayer accumulation by a splicing method, when the first splicing is carried out, the main electric socket 801 on the second sliding disc 8 and the main electric plug 4 need to be ensured to be in a corresponding state, and then the first necklace method can keep the two mounting frames 6 connected in series, each mounting frame 6 can receive power, a first socket board 701 and a second socket board 702 on the auxiliary socket 7 are respectively provided with a double-hole plug and a three-hole plug for connecting different electrical appliances, a user can directly plug the plug into the auxiliary socket 7 and also can pull the auxiliary socket 7 out of the mounting groove 601 to be plugged into other power sockets for circuit expansion, if the user does not pull the auxiliary socket 7 out, the user directly plugs the plug into the auxiliary socket 7, the wire can be bound through the magic tape 703, then the wire is continuously wound by rotating the mounting frame 6, so that a longer wire is stored, the mounting groove 601 is mainly used for placing the auxiliary socket 7, the bypass socket 602 mainly has the effect of enabling the auxiliary socket 7 to be connected with a power supply, and the shape of the mounting groove 601 is consistent with that of the auxiliary socket 7, this ensures that the attachment socket 7 is perfectly mounted, the release handle 1102 on the slide bearing 11 facilitates the detachment between the two mounting frames 6, meanwhile, the sliding bearing 11 and the via hole slip ring 9 play a role in fixing the clamping inner frame 10, the battery mechanism 12 is a bypass of the device, the circuit continuously charges the battery body 1203, when the socket is suddenly powered off, the battery body 1203 can continuously provide power for the electric appliance for a period of time, so as to prevent the electric appliance, particularly the computer equipment from being damaged due to the sudden power off of the device, moreover, the protective outer frame 1202 of the device can be inserted into the inner wall of the clamping inner frame 10 to realize the effective splicing between the mounting frames 6, the voltage which can be output by a single battery body 1203 is very low, in order to increase the output voltage, the present configuration may increase the output voltage by connecting a plurality of battery bodies 1203 in series.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.