Programmable logic controller

Abstract

The utility model relates to the technical field of modular controllers, in particular to a programmable logic controller, which comprises a plurality of controller modules arranged in sequence, and each controller module is provided with a fixed lug part and a power connection part; the base is provided with a clamping groove, the clamping groove is provided with a clamping lug part, the fixing lug part is clamped in the clamping groove, and the fixing lug part abuts against the clamping lug part; the fixing assembly is arranged in the clamping groove, located on the side, away from the clamping lug part, of the fixing lug part and connected with the fixing lug part in an abutting mode. And the plurality of power connection assemblies are arranged in the clamping grooves and correspond to the power connection parts respectively, and one end, far away from the controller module, of each power connection assembly extends to the outer side of the base. The utility model relates to a programmable logic controller, and aims to solve the problem that a modular programmable logic controller in the prior art is complicated to disassemble and assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of modular controllers, and more specifically, to a programmable logic controller. Background Art

[0002] Programmable Logic Controller (PLC) is a digital computing electronic system designed for use in industrial environments. It uses a programmable memory to store instructions for performing logical operations, sequential control, timing, counting and arithmetic operations, and controls various types of mechanical equipment or production processes through digital or analog input and output.

[0003] Programmable logic controllers are mainly divided into integral, modular and stacked types. The modular programmable logic controllers in the prior art are usually wired through their own wiring ports. When replacing a module in actual use, it needs to be disassembled and reassembled, which is a complicated process. Utility Model Content

[0004] The main purpose of the utility model is to provide a programmable logic controller, aiming to solve the problem of complex assembly and disassembly of modular programmable logic controllers in the prior art.

[0005] In order to solve the above technical problems, a programmable logic controller is proposed, comprising: a plurality of controller modules, each of which is arranged in sequence, and each of which is provided with a fixing ear and a power connection part;

[0006] The base is provided with a card slot, the card slot is provided with a card-connecting ear portion, the fixed ear portion is card-connected in the card slot, and the fixed ear portion abuts against the card-connecting ear portion;

[0007] A fixing assembly is arranged in the card slot, located at a side of the fixing ear away from the card connection ear, and abuts against the fixing ear;

[0008] A plurality of electrical connection components are arranged in the card slots and are respectively arranged corresponding to the electrical connection parts. One end of the electrical connection component away from the controller module extends to the outside of the base.

[0009] In any of the above technical solutions, further, the electrical connection component includes:

[0010] A connecting member, wherein a first end of the connecting member abuts against the power connection portion, and a second end of the connecting member extends to the outside of the base;

[0011] A first spring, arranged corresponding to the connecting member, and used to provide a force for the connecting member to approach the controller module;

[0012] The connecting piece is fixedly arranged at the second end of the connecting piece.

[0013] In any of the above technical solutions, further, the control module is symmetrically provided with two fixing ears;

[0014] The fixing components are symmetrically arranged in two groups, and each group of the fixing components comprises:

[0015] The fixing member is provided with a plurality of supporting legs, the base is provided with a plurality of through holes respectively corresponding to the supporting legs, and the fixing member is slidably arranged on the base;

[0016] A plurality of second springs are respectively arranged corresponding to the supporting legs and are used to make the fixing member abut against the fixing ears.

[0017] In any of the above technical solutions, further, it also includes:

[0018] The base is provided with a strip hole, and the strip hole passes through a side wall of the base along the arrangement direction of the controller modules;

[0019] A connecting component, wherein a plurality of fixing rods are arranged in the slot, the connecting component is provided with a plurality of through holes respectively corresponding to the fixing rods, and the connecting component is slidably arranged on the fixing rods;

[0020] Each of the electrical connection components is disposed on the connection component, and each of the electrical connection components extends to the outside of the base through the strip-shaped hole;

[0021] A plurality of locking members are respectively arranged corresponding to each of the fixing rods and are used to fix the relative position of the connecting assembly and the fixing rod.

[0022] In any of the above technical solutions, further, the arrangement direction of the controller modules is referred to as a first direction, the control module is provided with at least two power connection parts, and each power connection part on the same control module is arranged along a second direction, and the second direction intersects with the first direction;

[0023] The base is provided with at least two strip-shaped holes, each of which is arranged along the second direction, and a plurality of the power connection parts in each of the first directions are arranged corresponding to each of the strip-shaped holes;

[0024] The plurality of electrical connection components in each of the first directions are respectively arranged corresponding to each of the strip-shaped holes.

[0025] In any of the above technical solutions, further, the connection component includes:

[0026] A first support member, wherein the through hole corresponding to the fixing rod is arranged on the first support member, and each of the electrical connection components is arranged on the first support member;

[0027] At least two second support members, the second connection is provided with an avoidance hole for the electrical connection component to pass through, and each of the second support members is respectively arranged corresponding to each of the strip holes.

[0028] The beneficial effects are:

[0029] 1. The programmable logic controller of the utility model can be fixed on the base by means of a fixing ear on the controller module and the cooperation between the clamping ear on the base and the fixing assembly, so that the controller module can be fixed on the base by means of a clamping connection, thereby simplifying the fixing and disassembly methods of the controller module;

[0030] 2. The power connection parts on each controller module are connected to electricity through a plurality of power connection components to access and output signals to the controller module, and the power connection components are arranged on the base so that the power connection components do not need to be disassembled and assembled along with the controller module, thereby simplifying the steps required for disassembly and assembly of the controller module, reducing the complexity of disassembly and assembly, and facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 It is a three-dimensional structural schematic diagram of a programmable logic controller of the utility model;

[0033] Figure 2 It is a front view structural diagram of a programmable logic controller of the utility model;

[0034] Figure 3 It is a structural schematic diagram of an electrical connection component and a connection component in a programmable logic controller of the utility model;

[0035] Figure 4 The utility model is an exploded schematic diagram of a partial structure of a programmable logic controller.

[0036] The following are the descriptions of the reference numerals:

[0037] 1. Controller module; 101. Fixed ear; 102. Power connection part;

[0038] 2. Base; 201. Snap-on ear; 202. Fixed rod; 203. Locking member;

[0039] 3. Fixing assembly; 301. Fixing member; 302. Second spring; 303. Support leg;

[0040] 4. Electrical connection assembly; 401. Connecting piece; 402. First spring; 403. Wiring piece; 404. Wiring shell; 405. Bolt;

[0041] 5. Connecting assembly; 501. First supporting member; 502. Second supporting member. DETAILED DESCRIPTION

[0042] Below, the example embodiments according to the present application will be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application, and it should be understood that the present application is not limited to the example embodiments described herein. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0043] It should be noted that, as shown in this application and claims, unless the context clearly indicates an exception, the words "a", "an", "a kind" and / or "the" do not specifically refer to the singular, but may also include the plural. Generally speaking, the terms "include" and "comprise" only indicate the inclusion of clearly identified steps and elements, and these steps and elements do not constitute an exclusive list, and the method or device may also include other steps or elements.

[0044] If the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0045] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0046] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0047] The utility model proposes a programmable logic controller, which mainly electrically connects the power connection part 102 of the controller module 1 through the power connection component 4, and the power connection component 4 is detachably arranged on the base 2, so that the power connection component 4 can be separated from the controller module 1, eliminating the need for disassembly and assembly of signal lines, connecting lines and / or power lines required when disassembling and assembling the controller module 1, simplifying the steps and improving the convenience of use.

[0048] A programmable logic controller of the present application is described in detail through the following embodiments.

[0049] In this embodiment, if Figures 1 to 4 As shown, the programmable logic controller comprises: a plurality of controller modules 1, each of which is arranged in sequence, and the controller module 1 is provided with a fixing ear portion 101 and a power connection portion 102;

[0050] The base 2 is provided with a card slot, the card slot is provided with a card-connecting ear portion 201, the fixed ear portion 101 is card-connected in the card slot, and the fixed ear portion 101 abuts against the card-connecting ear portion 201;

[0051] The fixing component 3 is disposed in the card slot, located at a side of the fixing ear portion 101 away from the card connection ear portion 201, and abuts against the fixing ear portion 101;

[0052] A plurality of electrical connection components 4 are disposed in the card slots and are respectively disposed corresponding to each electrical connection portion 102 . One end of the electrical connection component 4 away from the controller module 1 extends to the outside of the base 2 .

[0053] In the present technical solution, the base 2 is horizontally arranged for the convenience of description, and the extension direction of several controller modules 1 is referred to as the front-to-back direction. The base 2 is in a lying C-shape, and the card slot is in a convex shape as a whole. The card-connecting ears 201 are two ears extending inward on the left and right sides of the top surface of the base 2. The controller modules 1 are arranged in sequence in the front-to-back direction, and each controller module 1 is provided with a protrusion extending outward on the left and right sides, namely the aforementioned fixed ears 101, and the bottom surface of the controller module 1 is provided with a power connection part 102, which is electrically connected to the processor inside the controller module 1, namely the input and output interface of the controller module 1.

[0054] The fixing component 3 is arranged on the lower side of the fixing ear 101 of the controller module 1, and abuts against the bottom surface of the fixing ear 101 and the bottom surface of the card slot respectively, so that the fixing ear 101 abuts against the card-connecting ear 201, so that the position of the controller module 1 on the base 2 is relatively fixed.

[0055] The power connection component 4 is provided on both upper and lower sides of the bottom surface of the card slot, the top of the power connection component 4 is in contact with the power connection portion 102, and the bottom of the power connection component 4 extends to the lower side of the base 2. In actual use, the controller module 1 is electrically connected to the power line and / or the signal transmission line through the power connection component 4. When disassembling the controller module 1, the controller module 1 can be disassembled by pressing down the fixing component 3 and sliding the controller module 1 forward or backward. Conversely, the controller module 1 can be installed. After installation, the controller module 1 can be aligned with the power connection component 4 and can be used without disassembling the signal line or the connecting line.

[0056] In some technical solutions, the fixing ear 101 is C-shaped, and a protrusion corresponding to the C-shaped hollow part is provided on the fixing component 3 to limit the front and rear positions of the controller module 1 and improve the accuracy of disassembly and assembly. Specifically, the protrusion is provided on the fixing member 301, the controller module 1 is provided with 5 protrusions, and the protrusions on a single fixing member 301 are provided with 5 protrusions.

[0057] In this embodiment, the electrical connection component 4 includes:

[0058] A connecting member 401, wherein a first end of the connecting member 401 abuts against the power connection portion 102, and a second end of the connecting member 401 extends to the outside of the base 2;

[0059] A first spring 402 is provided corresponding to the connecting member 401 and is used to provide a force for the connecting member 401 to move closer to the controller module 1;

[0060] The connecting member 403 is fixedly disposed on the second end of the connecting member 401 .

[0061] In the present technical solution, the top of the connector 401 is cylindrical with a larger diameter, and the lower part of the top is cylindrical with a smaller diameter, and the lower part of the top passes through the bottom surface of the slot and extends to the lower side of the base 2. The first spring 402 is coaxially arranged on the cylindrical part with a smaller diameter, the bottom surface of the first spring 402 abuts against the bottom surface of the inner side of the slot, and the top surface of the first spring 402 abuts against the larger diameter part of the top of the connector 401. The wiring member 403 is fixed at the bottom end of the connector 401 and is used to connect a power line or a signal line.

[0062] In some technical solutions, in order to prevent the subsequent connection assembly 5 from interfering with the abutment between the first spring 402 and the connecting member 401, a convex ring is provided on the smaller diameter portion of the connecting member 401, and the top surface of the first spring 402 abuts against the convex ring.

[0063] In other technical solutions, the wiring member 403 includes a wiring shell 404 and a bolt 405. The wiring shell 404 is hollow and has an opening on one side. The spacing of the wiring shell 404 gradually decreases toward the opening side. The side of the wiring shell 404 is provided with a threaded hole. The bolt 405 is screwed on the threaded hole to tighten the wire end inserted into the wiring shell 404. The opening structure with a gradually decreasing spacing can also reduce the possibility of the wire end falling off.

[0064] In this embodiment, the control module is symmetrically provided with two fixing ears 101;

[0065] The fixing components 3 are symmetrically arranged in two groups, and each group of fixing components 3 includes:

[0066] The fixing member 301 is provided with a plurality of supporting legs 303. The base 2 is provided with a plurality of through holes corresponding to the supporting legs 303. The fixing member 301 is slidably arranged on the base 2.

[0067] A plurality of second springs 302 are respectively disposed corresponding to the supporting legs 303 , and are used to make the fixing member 301 abut against the fixing ear 101 .

[0068] In the present technical solution, the two fixing ears 101 are arranged symmetrically, and the two sets of fixing components 3 are arranged symmetrically, and are respectively placed on the lower side of the two fixing ears 101. The fixing member 301 is a strip-shaped structural member extending in the front-back direction, and the bottom surface of the fixing member 301 is provided with four supporting legs 303, and the bottom surface of the base 2 is correspondingly provided with eight through holes. The second springs 302 of the two sets of fixing components 3 are arranged in total eight, and are respectively arranged coaxially with the four supporting legs 303 on the two fixing members 301, and the bottom surface of the second spring 302 abuts against the bottom surface of the card slot, and the top surface of the second spring 302 abuts against the bottom surface of the fixing member 301.

[0069] The elastic force of the second spring 302 provides an upward pre-tightening force to the fixing member 301, presses the fixing member 301 downward, and increases the distance between the fixing member 301 and the snap-on ear portion 201, so that the controller module 1 can be snap-connected and disassembled for easy use.

[0070] In this embodiment, it also includes:

[0071] The base 2 is provided with a strip hole, and the strip hole penetrates one side wall of the base 2 along the arrangement direction of the controller module 1;

[0072] The connecting component 5 has a plurality of fixed rods 202 in the slot, and the connecting component 5 has a plurality of through holes corresponding to the fixed rods 202, and the connecting component 5 is slidably disposed on the fixed rods 202;

[0073] Each electrical connection component 4 is disposed on the connection component 5, and each electrical connection component 4 extends to the outside of the base 2 through the strip hole;

[0074] A plurality of locking members 203 are respectively disposed corresponding to each fixing rod portion 202 , and are used to fix the relative position of the connecting assembly 5 and the fixing rod portion 202 .

[0075] In the present technical solution, the strip hole is arranged on the bottom surface of the card slot, the strip hole passes through the bottom surface of the card slot up and down, the strip hole extends in the front and back directions, and the strip hole passes through the front side surface of the base 2, and the strip hole does not pass through the rear side surface of the base 2. The fixed rod 202 is fixed on the bottom surface in the card slot, the fixed rod 202 is set as a threaded rod, and the locking member 203 is set as a nut. The fixed rod 202 is symmetrically arranged in four parts, front and back, left and right, and four through holes are correspondingly arranged on the connecting component 5, so that the height position of the connecting component 5 on the fixed rod 202 can be adjusted. Each electrical connection component 4 is arranged on the connecting component 5, and the specific connecting member 401 with a smaller diameter is penetrated on the connecting component 5, so that when the electrical connection component 4 exits the card slot, it can drive all the electrical connection components 4 to move synchronously, which is convenient for the installation and maintenance of the electrical connection components 4, and convenient for synchronously cutting off the electrical connection of each controller module 1.

[0076] Two locking members 203 are provided on the same fixing rod 202 , one above and one below to limit the connection assembly 5 , so as to fix the connection assembly 5 .

[0077] In this embodiment, the arrangement direction of the controller modules 1 is referred to as a first direction, the control module is provided with at least two power connection parts 102, and each power connection part 102 on the same control module is arranged along a second direction, and the second direction intersects with the first direction;

[0078] The base 2 is provided with at least two strip-shaped holes, each of which is arranged along the second direction, and a plurality of power connection portions 102 in each first direction are arranged corresponding to each of the strip-shaped holes;

[0079] A plurality of electrical connection components 4 in each first direction are respectively arranged corresponding to each strip-shaped hole.

[0080] In the present technical solution, the first direction is the front-to-back direction, and the second direction is the left-to-right direction. In actual use, a single controller module 1 power connection portion 102 is usually provided with two, three, five or other numbers. The same number of bar holes is provided to facilitate the correction of the position or direction of the power connection component 4 in the same front-to-back direction, so that the power connection components 4 in the same direction are aligned and arranged, which is neat and beautiful.

[0081] Specifically, five controller modules 1 are provided, each of which is provided with two power connection parts 102 , and the power connection parts 102 on the left side of each controller module 1 are aligned in the front-to-back direction, and the power connection parts 102 on the right side of each controller module 1 are aligned in the front-to-back direction.

[0082] The connection components 5 are used to fix the power connection components 4 to facilitate the connection between the power connection components 4 and the power connection part 102 in the first direction. The power connection components 4 are guided by the strip holes to avoid the power connection components 4 from crossing during movement.

[0083] In this embodiment, the connection component 5 includes:

[0084] A first support member 501, wherein a through hole corresponding to the fixing rod portion 202 is disposed on the first support member 501, and each electrical connection component 4 is disposed on the first support member 501;

[0085] At least two second support members 502 are provided with avoidance holes for the electrical connection components 4 to pass through on the second connection, and each second support member 502 is respectively arranged corresponding to each strip hole.

[0086] In the present technical solution, the first support member 501 is a horizontally arranged plate-like member, and four through holes corresponding to the four fixing rods 202 are arranged at the four corners of the first support member 501. The first support member 501 is provided with circular holes equal to the number of the electrical connection components 4, through which the connecting members 401 of each electrical connection component 4 pass, and the locking member 203 can fix the relative position of the first support member 501 and the fixing rod 202. The first support member 501 is arranged to connect the various electrical connection components 4 together, so as to facilitate the synchronous movement of the various electrical connection components 4.

[0087] The second support member 502 is a strip extending in the front-to-back direction. Each second support member 502 is provided with avoidance holes equal to the number of the controller module 1. The connectors 401 of each power connection component 4 in the same front-to-back direction pass through the avoidance holes on the corresponding second support member 502. The second support member 502 is provided to cooperate with the first support member 501, so that the power connection component 4 in the same front-to-back direction can be fixed at two points, further limiting the setting direction of the power connection component 4. At the same time, such a setting facilitates the docking of the first spring 402 with the strip hole of the base 2, so that the first spring 402 is abutted against the second support member 502, and the strip hole is prevented from affecting the fixation of the first spring 402.

[0088] In some technical solutions, a strip groove adapted to the second support member 502 is provided on the bottom surface of the slot, the strip groove is arranged corresponding to the strip hole, and the strip groove does not pass through the bottom surface of the base slot, so as to fix the relative position of the second support member 502.

[0089] It is worth noting that, in addition to the above advantages, the programmable logic controller of the present application also has the advantage of compact structure.

[0090] In some technical solutions, a gap is provided between the portion with a larger top diameter of the connector 401 of the electrical connection component 4 and the top surface of the first support component 501, so that the connector 401 can move downward when the snap-in ear 201 presses the fixing component 301 downward, thereby providing an escape space in the up and down directions for the electrical connection component 4 when the controller module 1 is snapped in or removed.

[0091] The embodiments of the present disclosure have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technology in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A programmable logic controller, characterized in that: include: A plurality of controller modules (1), each of the controller modules (1) being arranged in sequence, and each of the controller modules (1) being provided with a fixing ear portion (101) and a power connection portion (102); The base (2) is provided with a card slot, the card slot is provided with a card-connecting ear portion (201), the fixed ear portion (101) is card-connected in the card slot, and the fixed ear portion (101) abuts against the card-connecting ear portion (201); A fixing component (3) is arranged in the card slot, located on a side of the fixing ear portion (101) away from the card connection ear portion (201), and abuts against the fixing ear portion (101); A plurality of electrical connection components (4) are arranged in the card slot and are respectively arranged corresponding to each of the electrical connection parts (102); one end of the electrical connection component (4) away from the controller module (1) extends to the outside of the base (2).

2. The programmable logic controller according to claim 1, characterized in that: The electrical connection component (4) comprises: A connecting member (401), wherein a first end of the connecting member (401) abuts against the power connection portion (102), and a second end of the connecting member (401) extends to the outside of the base (2); a first spring (402), arranged corresponding to the connecting member (401), and used to provide a force for the connecting member (401) to move closer to the controller module (1); The connecting member (403) is fixedly arranged on the second end of the connecting member (401).

3. The programmable logic controller according to claim 1, characterized in that: The controller module (1) is symmetrically provided with two fixing ears (101); The fixing components (3) are symmetrically arranged in two groups, and each group of the fixing components (3) comprises: The fixing member (301) is provided with a plurality of supporting legs (303), the base (2) is provided with a plurality of through holes respectively corresponding to the supporting legs (303), and the fixing member (301) is slidably arranged on the base (2); A plurality of second springs (302) are respectively arranged corresponding to the supporting legs (303) and are used to make the fixing member (301) abut against the fixing ear (101).

4. The programmable logic controller according to claim 1, characterized in that: Also includes: The base (2) is provided with a strip hole, and the strip hole passes through a side wall of the base (2) along the arrangement direction of the controller modules (1); A connecting component (5), wherein a plurality of fixed rods (202) are arranged in the slot, the connecting component (5) is provided with a plurality of through holes respectively corresponding to the fixed rods (202), and the connecting component (5) is slidably arranged on the fixed rods (202); Each of the electrical connection components (4) is arranged on the connection component (5), and each of the electrical connection components (4) extends to the outside of the base (2) through the strip-shaped hole; A plurality of locking members (203) are respectively arranged corresponding to each of the fixing rods (202) and are used to fix the relative position of the connecting assembly (5) and the fixing rod (202).

5. The programmable logic controller according to claim 4, characterized in that: The arrangement direction of the controller modules (1) is referred to as a first direction, the controller module (1) is provided with at least two power connection parts (102), and each of the power connection parts (102) on the same controller module (1) is arranged along a second direction, and the second direction intersects with the first direction; The base (2) is provided with at least two strip holes, each of which is arranged along the second direction, and each of the plurality of power connection parts (102) in the first direction is arranged corresponding to each of the strip holes; each of the plurality of power connection components (4) in the first direction is arranged corresponding to each of the strip holes.

6. The programmable logic controller according to claim 5, characterized in that: The connecting component (5) comprises: a first supporting member (501), the through hole corresponding to the fixing rod (202) is arranged on the first supporting member (501), and each of the electrical connection components (4) is arranged on the first supporting member (501); At least two second support members (502), each of the second support members (502) being provided with an avoidance hole for the electrical connection component (4) to pass through, and each of the second support members (502) being arranged corresponding to each of the strip-shaped holes.

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