阅读说明：本技术 一种新型sf6设备三通阀状态显示装置 (Novel SF6 equipment three-way valve state display device ) 是由 任尔珣 于 2020-11-30 设计创作，主要内容包括：本发明公开了一种新型SF6设备三通阀状态显示装置,包括,三通阀本体,所述三通阀本体包括第一管道以及第二管道,所述第一管道垂直于所述第二管道,以及；可视化调节单元；所述可视化调节单元包括开合机构以及可视机构,所述开合机构包括阶梯式堵块以及设置于所述阶梯式堵块侧端面上的支杆,所述阶梯式堵块位于所述第一管道内,以及与所述支杆另一端连接的移杆；本发明的一种新型SF6设备三通阀状态显示装置,运行巡视人员可以根据对应位置弹出的顶块准确的判断出三通阀流量的大小以及开合状态,因此运行巡视人员能高效方便准确地判断三通阀的状态,消除误判断风险,减少了巡视时间,提高了巡视效率,能确保设备安全运行。(The invention discloses a novel three-way valve state display device for SF6 equipment, which comprises a three-way valve body, wherein the three-way valve body comprises a first pipeline and a second pipeline, and the first pipeline is vertical to the second pipeline; a visual adjustment unit; the visual adjusting unit comprises an opening and closing mechanism and a visual mechanism, the opening and closing mechanism comprises a stepped block and a support rod arranged on the side end face of the stepped block, and the stepped block is positioned in the first pipeline and a moving rod connected with the other end of the support rod; according to the novel SF6 equipment three-way valve state display device, an operation patrolman can accurately judge the flow rate and the opening and closing state of the three-way valve according to the ejecting block ejected from the corresponding position, so that the operation patrolman can efficiently, conveniently and accurately judge the state of the three-way valve, the misjudgment risk is eliminated, the patrolling time is reduced, the patrolling efficiency is improved, and the safe operation of equipment can be ensured.)

1. The utility model provides a novel SF6 equipment three-way valve state display device which characterized in that: comprising a three-way valve body (100), the three-way valve body (100) comprising a first duct (101) and a second duct (102), the first duct (101) being perpendicular to the second duct (102), and;

a visualization adjustment unit (200); visual adjusting element (200) are including opening and shutting mechanism (201) and visual mechanism (202), open and shut mechanism (201) including cascaded sprue (201a) and set up in branch (201b) on cascaded sprue (201a) side end face, cascaded sprue (201a) are located in first pipeline (101), and with the pole (201c) that moves that branch (201b) other end is connected.

2. The novel three-way valve state display device of SF6 equipment as recited in claim 1, wherein: the visual mechanism (202) comprises a state visual shell (202a) arranged on the upper end face of the second pipeline (102), the visual shell (202a) is a hollow square shell with a convex top end and a concave middle part, five groups of through holes (202a-1) are arranged on the symmetrical sides of the visual shell (202a) in a mirror image mode, and corresponding top blocks (202a-2) are arranged on the through holes (202 a-1).

3. A novel three-way valve status display device of SF6 apparatus as claimed in claim 2, wherein: a pressing structure (202b) is arranged inside the visual shell (202a), and the pressing structure (202b) comprises a hollow cylinder (202b-1), a first elastic piece (202b-2) positioned on the outer wall of the hollow cylinder (202b-1), and a movable lantern ring (202b-3) positioned on the outer wall of the hollow cylinder (202 b-1); the outer wall of the hollow cylinder (202b-1) is provided with a limiting groove (202b-4) which penetrates through the outer wall of the hollow cylinder (202 b-1).

4. A novel three-way valve status display device of SF6 apparatus as defined in claim 3, wherein: the limiting groove (202b-4) is arranged on the outer wall of the hollow cylinder (202b-1) in a mirror image mode, a cross rod (202b-5) penetrating through the limiting groove (202b-4) is arranged in the limiting groove (202b-4), connecting rods (202b-6) are arranged at two ends of the cross rod (202b-5), and the cross rod (202b-5) is connected with the moving rod (201 c).

5. The novel three-way valve state display device of SF6 equipment as recited in claim 4 wherein: the other end of the connecting rod (202b-6) is provided with a press button (202b-7), an extending rod (202b-8) is arranged at the connecting end of the cross rod (202b-5) and the connecting rod (202b-6), and the other end of the extending rod (202b-8) is provided with a toothed plate (202 b-9).

6. A novel SF6 equipment three-way valve state display device as claimed in any of claims 3 to 5, wherein: the movable lantern ring (202b-3) is provided with a supporting rod (202b-10), the other end of the supporting rod (202b-10) is provided with a sleeve (202b-11), the sleeve (202b-11) is a hollow cylinder, a solid driving rod (202b-12) penetrating through the sleeve (202b-11) is arranged in the sleeve (202b-11), gear pieces (202b-13) are arranged at two ends of the solid driving rod (202b-12), and a hollow driven rod (202b-14) is arranged at the other side of the gear pieces (202 b-13).

7. The novel three-way valve state display device of SF6 equipment as recited in claim 6 wherein: a second elastic piece (202b-15) is arranged in the hollow driven rod (202b-14), and one end, away from the gear piece (202b-13), of the second elastic piece (202b-15) is provided with an ejecting block (202b-16) matched with the through hole (202 a-1).

8. A novel three-way valve status display device of SF6 apparatus as defined in claim 7, wherein: the pipeline joint is characterized in that fixing rods (101a) fixed at two ends of the first pipeline (101) are arranged in the first pipeline (101), and a limiting track (101b) is arranged between the fixing rods (101 a).

9. A novel SF6 apparatus three-way valve state display device as claimed in claim 8, wherein: the guide track (101b) penetrates through the stepped blocking block (201a), and the stepped blocking block (201a) is movably connected with the guide track (101 b).

10. A novel SF6 apparatus three-way valve state display device as claimed in claim 9, wherein: the supporting rod (201b) is movably connected with the moving rod (201 c).

Technical Field

The invention relates to the field of GIS combined electrical equipment, in particular to a novel three-way valve state display device for SF6 equipment.

Background

When the open-close state of the three-way valve of the existing SF6 equipment is patrolled, the open-close state of the three-way valve is difficult to judge, so that the open-close state of the SF6 gas cabin is easy to judge by mistake, the SF6 density relay cannot normally alarm, the SF6 equipment is damaged, and the power supply reliability is influenced.

Disclosure of Invention

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.

The invention is provided in view of the problems of the prior three-way valve state display device of the SF6 equipment.

Therefore, the invention aims to provide a novel SF equipment three-way valve state display device.

In order to solve the technical problems, the invention provides the following technical scheme: the three-way valve comprises a three-way valve body, a first valve body and a second valve body, wherein the three-way valve body comprises a first pipeline and a second pipeline, and the first pipeline is perpendicular to the second pipeline;

a visual adjustment unit; visual regulating unit is including opening and shutting the mechanism and visual mechanism, open and shut the mechanism including cascaded sprue and set up in branch on the cascaded sprue side end face, cascaded sprue is located in the first pipeline, and with the pole that moves that the branch other end is connected.

As a preferable scheme of the novel SF apparatus three-way valve state display device of the present invention, wherein: the visual mechanism comprises a state visual shell arranged on the upper end face of the second pipeline, the visual shell is a hollow square shell with a convex top end edge and a concave middle edge, five groups of through holes are arranged on the symmetrical sides of the visual shell in a mirror image mode, and corresponding jacking blocks are arranged on the through holes.

As a preferable scheme of the novel SF apparatus three-way valve state display device of the present invention, wherein: a pressing structure is arranged in the visible shell and comprises a hollow cylinder, a first elastic piece positioned on the outer wall of the hollow cylinder and a movable lantern ring positioned on the outer wall of the hollow cylinder; and the outer wall of the hollow cylinder is provided with a limit groove which penetrates through the outer wall of the hollow cylinder.

As a preferable scheme of the novel SF apparatus three-way valve state display device of the present invention, wherein: the limiting groove is arranged on the outer wall of the hollow cylinder in a mirror image mode, a cross rod penetrating through the limiting groove is arranged in the limiting groove, connecting rods are arranged at two ends of the cross rod, and the cross rod is connected with the moving rod.

As a preferable scheme of the novel SF apparatus three-way valve state display device of the present invention, wherein: the connecting rod other end is provided with presses down the button the horizontal pole with the connecting rod link is provided with the extension rod, the extension rod other end is provided with the tooth plywood.

As a preferable scheme of the novel SF apparatus three-way valve state display device of the present invention, wherein: the movable lantern ring is provided with a supporting rod, the other end of the supporting rod is provided with a sleeve, the sleeve is a hollow cylinder, a solid driving rod penetrating through the sleeve is arranged in the sleeve, gear pieces are arranged at two ends of the solid driving rod, and a hollow driven rod is arranged at the other side of each gear piece.

As a preferable scheme of the novel SF apparatus three-way valve state display device of the present invention, wherein: and a second elastic piece is arranged in the hollow driven rod, and one end of the second elastic piece, which is far away from the gear piece, is provided with a pop-up block matched with the through hole.

As a preferable scheme of the novel SF apparatus three-way valve state display device of the present invention, wherein: the first pipeline is internally provided with fixed rods fixed at two ends of the first pipeline, and a limiting track is arranged between the fixed rods.

As a preferable scheme of the novel SF apparatus three-way valve state display device of the present invention, wherein: the guide rail penetrates through the stepped blocking block, and the stepped blocking block is movably connected with the guide rail.

As a preferable scheme of the novel SF apparatus three-way valve state display device of the present invention, wherein: the supporting rod is movably connected with the moving rod.

The invention has the beneficial effects that: according to the novel SF6 equipment three-way valve state display device, an operation patrolman can accurately judge the flow rate and the opening and closing state of the three-way valve according to the ejecting block ejected from the corresponding position, so that the operation patrolman can efficiently, conveniently and accurately judge the state of the three-way valve, the misjudgment risk is eliminated, the patrolling time is reduced, the patrolling efficiency is improved, and the safe operation of equipment can be ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

fig. 1 is a schematic diagram of the overall structure of a three-way valve state display device of the novel SF6 equipment.

Fig. 2 is an exploded view of the overall structure of the three-way valve status display device of the novel SF6 equipment.

Fig. 3 is a cross-sectional view of a three-way valve state display device of the novel SF6 equipment.

Fig. 4 is a schematic structural diagram of a visual adjusting unit of a three-way valve state display device of the novel SF6 equipment.

Fig. 5 is a schematic structural diagram of a pressing structure of the three-way valve state display device of the novel SF6 equipment.

Fig. 6 is an enlarged view of a partial structure of a pressing structure of the three-way valve state display device of the novel SF6 equipment.

Fig. 7 is a partial structural schematic diagram of a gear part of a three-way valve state display device of the novel SF6 equipment.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Furthermore, the present invention is described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional view illustrating the structure of the device is not enlarged partially according to the general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Example 1

Referring to fig. 1 to 7, a schematic diagram of an overall structure of a novel SF6 equipment three-way valve state display device is provided, as shown in fig. 1, the novel SF6 equipment three-way valve state display device includes a three-way valve body 100, the three-way valve body 100 includes a first pipeline 101 and a second pipeline 102, the first pipeline 101 is perpendicular to the second pipeline 102, and;

a visualization adjustment unit 200; visual adjusting unit 200 is including opening and shutting mechanism 201 and visual mechanism 202, opening and shutting mechanism 201 includes cascaded sprue 201a and sets up branch 201b on cascaded sprue 201a side end face, cascaded sprue 201a is located first pipeline 101 to and the pole 201c that moves that is connected with the branch 201b other end, it is connected with branch 201b through movable connecting rod to move pole 201c both sides, when moving pole 201c and reciprocating, branch 201b can remove about, thereby drive cascaded sprue 201a and remove.

Specifically, the visual mechanism 202 comprises a state visual shell 202a arranged on the upper end face of the second pipeline 102, the visual shell 202a is a hollow square shell with a convex top end and a concave middle part, five groups of through holes 202a-1 are arranged on the symmetrical sides of the visual shell 202a in a mirror image mode, the through holes 202a-1 are used for limiting the adjusting unit 200, corresponding top blocks 202a-2 are arranged on the through holes 202a-1, a pressing structure 202b is arranged inside the visual shell 202a, and the pressing structure 202b comprises a hollow cylinder 202b-1, a first elastic part 202b-2 positioned on the outer wall of the hollow cylinder 202b-1 and a movable lantern ring 202b-3 positioned on the outer wall of the hollow cylinder 202 b-1; the outer wall of the hollow cylinder 202b-1 is provided with a limiting groove 202b-4 penetrating through the outer wall of the hollow cylinder 202b-1, the limiting groove 202b-4 is arranged on the outer wall of the hollow cylinder 202b-1 in a mirror image manner, a cross rod 202b-5 penetrating through the limiting groove 202b-4 is arranged in the limiting groove 202b-4, the limiting groove 202b-4 plays a role in guiding and limiting the cross rod, and a movable track is provided for the cross rod 202 b-5; the two ends of the cross bar 202b-5 are provided with connecting rods 202b-6, and the cross bar 202b-5 is connected with a moving rod 201 c; a push button 202b-7 is arranged at the other end of the connecting rod 202b-6, an extension rod 202b-8 is arranged at the connecting end of the cross rod 202b-5 and the connecting rod 202b-6, a toothed plate 202b-9 is arranged at the other end of the extension rod 202b-8, a support rod 202b-10 is arranged on the movable lantern ring 202b-3, a sleeve 202b-11 is arranged at the other end of the support rod 202b-10, the sleeve 202b-11 is a hollow cylinder, a solid driving rod 202b-12 penetrating through the sleeve 202b-11 is arranged in the sleeve 202b-11, a gear piece 202b-13 is arranged at the two ends of the solid driving rod 202b-12, a hollow driven rod 202b-14 is arranged at the other side of the gear piece 202b-13, and the toothed plate 202b-9 can move downwards along, moving down from the entraining gear members 202 b-13.

The movable lantern ring 202b-3 is provided with a supporting rod 202b-10, the other end of the supporting rod 202b-10 is provided with a sleeve 202b-11, the supporting rod 202b-10 is connected with the movable lantern ring 202b-3 and the sleeve 202b-11, the sleeve 202b-11 can move downwards along with the downward movement of the movable lantern ring 202b-3, the sleeve 202b-11 is a hollow cylinder, a solid driving rod 202b-12 penetrating through the sleeve 202b-11 is arranged in the sleeve 202b-11, and the sleeve 202b-11 is used for supporting the gear piece 202b-13, so that the gear piece 202b-13 can be stably matched with the meshing plate 202 b-9; the solid driving rod 202b-12 is provided with gear parts 202b-13 at two ends, the gear part 202b-13 is provided with a hollow driven rod 202b-14 at the other side, the hollow driven rod 202b-14 is provided with a second elastic part 202b-15, one end of the second elastic part 202b-15 far away from the gear part 202b-13 is provided with a pop-up block 202b-16 matched with the through hole 202a-1, the pop-up block 202b-16 can be stretched under the action of the second elastic part 202b-15, when on the inner wall of the visible shell 202a, the second elastic part 202b-15 is in a compressed state because the inner wall 202a of the visible shell applies a pressure on the visible shell, when the hollow driven rod 202b-14 is pressed along with the press button 202b-7 and moves to correspond to the through hole 202a-1, the second elastic part 202b-15 loses pressure, the pop-up block 202b-16 pops up into the through hole 202a-1, and then the whole hollow cylinder 202b-1 is clamped, so that the stepped block 201a can fix the opening degree, and the flow in the three-way valve cannot fluctuate.

The specific working principle is as follows: the push button 201b-7 is pressed, the cross rod 202b-5 moves up and down in the limiting groove 202b-4, then the tooth plate 202b-9 is driven to move up and down, the tooth plate 202b-9 drives the gear part 202b-13 to move up and down, when the tooth plate 202b-9 moves down, the gear part 202b-13 moves up, then the pop-up block 202b-9 also moves up, when the tooth plate 202b-9 moves to the bottom end, the gear part 202b-13 is at the uppermost end, and the pop-up block 202b-16 is positioned in the through hole at the uppermost end, at this time, the stepped blocking block 201a blocks the two ends of the first pipeline 101a, at this time, the top block 202a-2 at the uppermost end is ejected, and the top blocks in other through holes are positioned in the through holes, so that a worker can make a judgment of the internal closing of the three-way valve according to the observed conditions, similarly, the worker can accurately judge the internal flow of the three-way valve according to the states of the top blocks 202a-2 at different positions.

Example 2

Referring to fig. 1 to 7, a schematic diagram of an overall structure of a novel SF6 equipment three-way valve state display device is provided, as shown in fig. 1, the novel SF6 equipment three-way valve state display device includes a three-way valve body 100, the three-way valve body 100 includes a first pipeline 101 and a second pipeline 102, the first pipeline 101 is perpendicular to the second pipeline 102, and;

a visualization adjustment unit 200; visual adjusting unit 200 is including opening and shutting mechanism 201 and visual mechanism 202, opening and shutting mechanism 201 includes cascaded sprue 201a and sets up branch 201b on cascaded sprue 201a side end face, cascaded sprue 201a is located first pipeline 101 to and the pole 201c that moves that is connected with the branch 201b other end, it is connected with branch 201b through movable connecting rod to move pole 201c both sides, when moving pole 201c and reciprocating, branch 201b can remove about, thereby drive cascaded sprue 201a and remove.

Specifically, the visual mechanism 202 comprises a state visual shell 202a arranged on the upper end face of the second pipeline 102, the visual shell 202a is a hollow square shell with a convex top end and a concave middle part, five groups of through holes 202a-1 are arranged on the symmetrical sides of the visual shell 202a in a mirror image mode, the through holes 202a-1 are used for limiting the adjusting unit 200, corresponding top blocks 202a-2 are arranged on the through holes 202a-1, a pressing structure 202b is arranged inside the visual shell 202a, and the pressing structure 202b comprises a hollow cylinder 202b-1, a first elastic part 202b-2 positioned on the outer wall of the hollow cylinder 202b-1 and a movable lantern ring 202b-3 positioned on the outer wall of the hollow cylinder 202 b-1; the outer wall of the hollow cylinder 202b-1 is provided with a limiting groove 202b-4 penetrating through the outer wall of the hollow cylinder 202b-1, the limiting groove 202b-4 is arranged on the outer wall of the hollow cylinder 202b-1 in a mirror image manner, a cross rod 202b-5 penetrating through the limiting groove 202b-4 is arranged in the limiting groove 202b-4, the limiting groove 202b-4 plays a role in guiding and limiting the cross rod, and a movable track is provided for the cross rod 202 b-5; the two ends of the cross bar 202b-5 are provided with connecting rods 202b-6, and the cross bar 202b-5 is connected with a moving rod 201 c; a push button 202b-7 is arranged at the other end of the connecting rod 202b-6, an extension rod 202b-8 is arranged at the connecting end of the cross rod 202b-5 and the connecting rod 202b-6, a toothed plate 202b-9 is arranged at the other end of the extension rod 202b-8, a support rod 202b-10 is arranged on the movable lantern ring 202b-3, a sleeve 202b-11 is arranged at the other end of the support rod 202b-10, the sleeve 202b-11 is a hollow cylinder, a solid driving rod 202b-12 penetrating through the sleeve 202b-11 is arranged in the sleeve 202b-11, a gear piece 202b-13 is arranged at the two ends of the solid driving rod 202b-12, a hollow driven rod 202b-14 is arranged at the other side of the gear piece 202b-13, and the toothed plate 202b-9 can move downwards along, moving down from the entraining gear members 202 b-13.

The movable lantern ring 202b-3 is provided with a supporting rod 202b-10, the other end of the supporting rod 202b-10 is provided with a sleeve 202b-11, the supporting rod 202b-10 is connected with the movable lantern ring 202b-3 and the sleeve 202b-11, the sleeve 202b-11 can move downwards along with the downward movement of the movable lantern ring 202b-3, the sleeve 202b-11 is a hollow cylinder, a solid driving rod 202b-12 penetrating through the sleeve 202b-11 is arranged in the sleeve 202b-11, and the sleeve 202b-11 is used for supporting the gear piece 202b-13, so that the gear piece 202b-13 can be stably matched with the meshing plate 202 b-9; the solid driving rod 202b-12 is provided with gear parts 202b-13 at two ends, the gear part 202b-13 is provided with a hollow driven rod 202b-14 at the other side, the hollow driven rod 202b-14 is provided with a second elastic part 202b-15, one end of the second elastic part 202b-15 far away from the gear part 202b-13 is provided with a pop-up block 202b-16 matched with the through hole 202a-1, the pop-up block 202b-16 can be stretched under the action of the second elastic part 202b-15, when on the inner wall of the visible shell 202a, the second elastic part 202b-15 is in a compressed state because the inner wall 202a of the visible shell applies a pressure on the visible shell, when the hollow driven rod 202b-14 is pressed along with the press button 202b-7 and moves to correspond to the through hole 202a-1, the second elastic part 202b-15 loses pressure, the pop-up block 202b-16 pops up into the through hole 202a-1, and then the whole hollow cylinder 202b-1 is clamped, so that the stepped block 201a can fix the opening degree, and the flow in the three-way valve cannot fluctuate.

Further, fixed rods 101a fixed at two ends of the first pipeline 101 are arranged in the first pipeline 101, a limiting track 101b is arranged between the fixed rods 101a, the guide track 101b penetrates through the stepped blocking block 201a, the stepped blocking block 201a is movably connected with the guide track 101b, the guide track 101b ensures that the stepped blocking block 201a can keep horizontal movement, and the fixed rods 101a support and fix the guide track 101 b.

The specific working principle is as follows: the push button 201b-7 is pressed, the cross rod 202b-5 moves up and down in the limiting groove 202b-4, then the tooth plate 202b-9 is driven to move up and down, the tooth plate 202b-9 drives the gear part 202b-13 to move up and down, when the tooth plate 202b-9 moves down, the gear part 202b-13 moves up, then the pop-up block 202b-9 also moves up, when the tooth plate 202b-9 moves to the bottom end, the gear part 202b-13 is at the uppermost end, and the pop-up block 202b-16 is positioned in the through hole at the uppermost end, at this time, the stepped blocking block 201a blocks the two ends of the first pipeline 101a, at this time, the top block 202a-2 at the uppermost end is ejected, and the top blocks in other through holes are positioned in the through holes, so that a worker can make a judgment of the internal closing of the three-way valve according to the observed conditions, similarly, the worker can accurately judge the internal flow of the three-way valve according to the states of the top blocks 202a-2 at different positions.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.