WO2018137376A1

WO2018137376A1 - Wire collector and air-conditioner

Info

Publication number: WO2018137376A1
Application number: PCT/CN2017/109760
Authority: WO
Inventors: 夏光辉; 韩鹏; 汪春节; 林青辉; 邓益明
Original assignee: 珠海格力电器股份有限公司
Priority date: 2017-01-25
Filing date: 2017-11-07
Publication date: 2018-08-02

Abstract

Provided are a wire collector and an air-conditioner. The wire collector has multiple load terminals and one or more middle connection terminals (r42). The multiple load terminals are connected in one-to-one correspondence with multiple loads. The one or more middle connection terminals (r42) are electrically connected to the corresponding load terminals, and are detachably and correspondingly connected to one or more main board connection terminals (r1713), such that the multiple loads are integrated into the wire collector, thereby enabling an electric housing (r172) to be detached independently. The wire collector solves problems of onerous wire insertion and routing in a production assembly process and inconvenience caused when an electric housing (r172) cannot be directly removed for maintenance.

Description

Line device and air conditioner

Technical field

The invention relates to the technical field of air conditioners, and in particular to a line collecting device and an air conditioner.

Background technique

At present, the structural form of the split wall electrical box affects the layout of the air conditioner. The main board of the traditional electrical box structure is inserted into the electrical box inside, the main board contains the terminals of each electrical component, and the terminal is connected to the external component. Wind blade motor, sweeping motor, WIFI terminal, etc. In the process of final assembly production, it is necessary to make a patch cord for the pre-assembled electrical box components as a production station. The patch cord and the cable are time-consuming and labor-intensive, resulting in an increase in labor costs in the patching process. At the same time, the overall line layout is more complicated and messy. In the process of inspection and maintenance of the air conditioner by the after-sales personnel, it is affected by various lines. On the other hand, it takes time and effort to find the thread end and tail of a certain line, which brings inconvenience to the after-sales maintenance inspection; on the other hand, multiple load lines are connected with the main board inside the electrical box, and the electrical box cannot be directly repaired during maintenance. Take off and bring a lot of inconvenience to the maintenance.

Summary of the invention

The main object of the present invention is to provide a line concentrating device and an air conditioner, which solves the problems of large amount of work for plugging and cable management during production and assembly in the prior art, and inability to directly remove the electrical box for maintenance and inconvenience.

In order to achieve the above object, according to an aspect of the present invention, a line concentrating device is provided, the line concentrating device having: a plurality of load ends for one-to-one correspondence with a plurality of loads; at least one intermediate terminal, corresponding to The load terminals are electrically connected and are detachably connected to at least one motherboard terminal of the electrical box to integrate the plurality of load ends on the hub to facilitate independent removal of the electrical box.

Further, the hub device is a hub, the hub includes an adapter board, the load end is a load terminal, and the plurality of load terminals and at least one intermediate terminal are formed on the adapter board.

Further, the hub further includes at least one connecting line corresponding to the at least one intermediate terminal, and the two ends of the connecting line are respectively plugged and connected with the intermediate terminal and the motherboard connecting terminal.

Further, the number of the connecting lines is one, two or three.

Further, the intermediate terminal is plugged into the motherboard terminal.

Further, the line concentrating device further comprises a mounting base for fixing on the frame of the air conditioner, and the adapter plate is mounted on the mounting base.

Further, the mounting base is a slot structure, and the adapter plate is installed in the slot structure, and the size of the slot structure is adapted to the size of the adapter plate.

Further, the mounting base is provided with a plurality of wire passing grooves allowing the load connecting wires to pass through.

Further, the plurality of wire trunking grooves include a separately disposed strong electric load wire passing groove, a weak electric load wire passing groove, and a display through wire groove.

Further, the plurality of over-wire slots include: a strong electrical load over-wire slot, disposed at one side of the mounting base, and/or a weak electrical load crossing slot, disposed at a side of the mounting base, and/or, the display is over-wired The groove is placed at the top of the mounting base.

Further, when a plurality of wire trunking grooves include a strong electric load crossing groove and a weak electric load crossing groove, the strong electric load crossing groove and the weak electric load crossing groove are respectively disposed at upper and lower ends of the mounting base.

Further, the mounting base has a plug portion that is mated with the electrical box.

Further, the plug portion is a slot for mating with the card board extending from the electrical box toward the hub.

Further, the one side end of the mounting base includes a pair of ribs disposed in parallel at a direction toward the electrical box, and a space between the pair of ribs forms a slot.

Further, the plug portion includes a plurality of first insertion holes spaced apart in a vertical direction at one side of the mounting base and a first insertion plate formed between the adjacent two first insertion holes, the plurality of first The jack and the first card are respectively configured to cooperate with a plurality of second boards disposed on the electrical box in a vertical direction and a second socket formed between the adjacent two second boards.

Further, the outer side wall of the hub structure is provided with a fixing hook, and a fixing space for fixing the load connecting line is formed between the fixing hook and the outer side wall of the hub.

Further, the mounting base is further provided with a connection structure for fixing to the base member of the air conditioner.

Further, the attachment structure includes at least one screw hole and/or snap formed on the mounting base.

Further, the mounting base is injection molded.

Further, the line concentrating device comprises: an injection molded part, which is fixed on the frame of the air conditioner, and the injection molded part is provided with a plurality of through holes; the plurality of load lines, the plurality of load lines and the plurality of through holes are arranged one by one The first end of the load line is connected to the load and forms a load end. The second end of the load line has an intermediate terminal and is fixed in the through hole. The main board terminal is inserted into the through hole and is connected to the intermediate terminal.

Further, the line concentrating device is a transition line, the first end of the transition line has an intermediate terminal, the intermediate terminal is plugged with the main board terminal, and the second end of the transition line is separated by a plurality of load lines, and the end of the load line Connect to the load and form the load end.

Further, the first end of the transition line has at least one intermediate terminal, and/or the number of transition lines is at least one.

Further, the plurality of loads include at least one of a display, a motor, a WiFi box, an ambient temperature sensor, a tube temperature package, a cold plasma, a mosquito repellent, a drive box, an auxiliary electric heating load, a humidity sensor, and a ground.

Further, the hub further includes a cover disposed at an exit area of the mounting base to enclose the outgoing area.

Further, the cover is snap-fitted to the mounting base.

Further, the cover has a hook, and the outer wall of the mounting base has a protruding protrusion protruding outward, and the hook is hooked at the engaging protrusion.

Further, the mounting base has a wire trough, and the cover has a closed insert inserted into the trough.

Further, the mounting base has a wire outlet hole and a wire passage, and the wire passage communicates with the wire hole and the wire groove, and the wire hole and the wire groove are staggered so that the wire hole, the wire passage and the wire groove form a meandering wire. a cover; the cover includes a shield and a rib protruding on a side of the shield facing the mounting base, the closing insert being formed on a side of the shield facing the mounting base, and the rib is disposed at the outlet hole Close the outlet hole.

Further, the cover further includes a limiting structure disposed on a side of the shield facing the mounting base and engaging an inner wall of the mounting base to limit movement of the cover relative to the mounting base.

Further, the limiting structure includes two opposite limiting ribs, and the two limiting ribs are respectively disposed at the top and the bottom of the shield to restrict the upward and downward movement of the cover relative to the mounting base.

According to another aspect of the present invention, an air conditioner including an electric box and a line concentrating device is provided, and the electric box is connected to a plurality of loads through a line concentrating device, and the line concentrating device is the above-described line concentrating device.

Further, the line concentrating device has an opening and a mounting cavity communicating with the opening, and the electrical box is provided with a closing portion that closes the opening.

Further, the line concentrating device comprises a mounting base and an adapter plate, the mounting base has an opening and a mounting cavity, and the adapter plate is mounted in the mounting cavity, and the opening is an opening of the mounting adapter plate on the mounting base.

Further, the closing portion is a rib which is engaged with the circumference of the opening and protrudes.

Further, the side of the electrical box facing the side of the line concentrating device is provided with a terminal hole for facilitating the insertion and removal of the terminal of the connecting line on the electrical box.

Further, the terminal hole is disposed near the air inlet of the air conditioner.

Further, the electrical box includes a box body and a lid, the lid is disposed on the box body, the box body has a first surface facing the line concentrating device, and a side surface of the box body adjacent to the first surface is disposed along the first surface An extended first panel and a second panel extending perpendicular to the first surface, the first panel and the second panel having a distance therebetween, the side of the lid being provided with a third circumference extending toward a side of the casing The plate, the third surrounding plate closes the side space enclosed by the first surrounding plate and the second surrounding plate and forms a terminal hole facing the line concentrating device.

The technical solution of the present invention has the following advantages:

1. In the line concentrating device of the present invention, a load terminal connected to all loads is integrated on a hub, and an intermediate terminal on the hub is detachably connected to a motherboard terminal of the electrical box, so that the electrical box can be independently detached as a whole The modularity is higher, and the integration and modularization of the air conditioner are realized. In this way, on the one hand, the patch cord during production assembly is greatly reduced. And the workload of the management line makes the routing more standardized. On the other hand, it is convenient for the after-sales maintenance personnel to remove the electrical box for maintenance work, effectively solving the problem of excessive connection load, easy disassembly and maintenance of the electrical box inside the prior art. The problem.

2. In the line concentrating device of the present invention, the hub includes a mounting base and an adapter plate, and the mounting base facilitates installation and fixing of the adapter plate, so that the adapter plate is not directly exposed inside the air conditioner, thereby ensuring safe operation of the adapter plate. At the same time, the workload of arranging multiple load connecting wires when removing the electrical box is reduced, the disassembly of the main board and the electrical box is facilitated, and the adapter board is easily installed with the electrical box, thereby reducing the overall installation of the adapter board and the electrical box. take up space. At the same time, it is also convenient to fix the hub to the frame by installing the base body, and the fixing is simple.

3. In the line concentrating device of the present invention, all the load terminals are connected to the hub, and the terminal of one end of the connection line is connected to the corresponding terminal on the main board, and the terminal of the other end of the connection line is connected to the hub. On the corresponding terminal block. The terminal block on the hub is connected to the terminal block on the main board through the intermediate connection line, and the connection is reliable through the soft connection mode of the line, which not only realizes the control of the load on the main board, but also causes the collision between the hub and the electrical box. Buffering effect. During maintenance inspection, unplug the terminal block of the intermediate cable that is plugged into the hub, so that you do not need to unplug all the terminals of the load. At this time, the electrical box can be pulled out from the side as a whole, greatly reducing the maintenance inspection. The amount of work. When the number of the connecting lines is two, one is a strong electric connecting line and the other is a weak electric connecting line; when the number of connecting lines is three, two of them are weak electric connecting lines, and the other one is a strong electric connection. line. Of course, the number of the connecting lines can also be one, which is a strong connecting terminal and a weak electric terminal sharing a connecting line.

4. In the line concentrating device of the present invention, the adapter board on the main board and the hub does not need a soft connection line, and is directly connected to the motherboard terminal block in the electrical box through the intermediate terminal, thereby achieving a hard connection between the hub and the electrical box. Reliable connection and easy assembly and disassembly; by integrating all load terminals into the transfer board, various load cables are connected from the hub to connect various loads.

5. In the line concentrating device of the present invention, the injection molded part is designed with a plurality of square holes for fixing various load terminals, so that the load terminals are concentrated on the injection molded part, and the corresponding parts on the main board The load terminals are also concentrated in a certain area, and are connected one-to-one with the load terminals on the injection molded parts, and the connection is reliable, and the assembly and disassembly is convenient.

6. In the line concentrating device of the present invention, one end of the transition line has two terminals directly connected to the electrical box, and the other end of the transition line is separated from the load line, and the connection is reliable, and the connection is reliable. Convenience. The first end of the transition line has two terminals, one being a strong electrical terminal and the other being a weak electrical terminal. Of course, the first end of the transition line can also have three terminals, two of which are weak electrical terminals and the other is a strong electrical terminal; or the first end of the transition line can also have a terminal, which is about to be strong The terminal block and the weak current terminal are integrated into one terminal block.

7. The hub provided by the present invention, the size of the mounting base is adapted to the size of the adapter plate, and the space occupied by the hub inside the air conditioner is minimized.

8. The hub provided by the invention has a plurality of over-wire slots on the mounting base, which facilitates the connection of a plurality of loads at different positions with a plurality of terminals on the transfer board, and the plurality of over-line slots are differentiated into strong Electrical load crossings, weak electrical load crossings, and display over-grooves minimize cross-winding of different load connections.

9. The hub provided by the present invention, the mounting base and the electrical box are fixed by the cooperation of the slot and the inserting board or the jack and the inserting board, which are formed by the structure of the mounting base itself, and do not require the addition of additional components, and the space occupation is small. The method is simple and the connection is reliable.

DRAWINGS

In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings to be used in the specific embodiments or the description of the prior art will be briefly described below, and obviously, the attached in the following description The drawings are some embodiments of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative work. In the drawing:

1 is a schematic structural view showing a connection between a hub and an electrical box of the first embodiment of the line concentrating device of the present invention;

2 is a schematic perspective view showing the cooperation of the hub of FIG. 1 and an electrical box;

Figure 3 is a schematic view of the adapter plate of the hub of Figure 2;

Figure 4 is an exploded perspective view of the electrical box of Figure 2;

Figure 5 is a schematic view of the hub, the electrical box and the base member of Figure 1;

6 is a perspective view showing the structure of the hub, the electrical box and the base member of FIG. 5;

Figure 7 is a perspective view showing another perspective of the hub, the electrical box and the base member of Figure 6;

8 is a schematic structural view of a hub and an electrical box of a second embodiment of the line concentrating device of the present invention;

Figure 9 is a perspective view showing the electrical structure of the electrical box of Figure 8;

Figure 10 is a perspective view showing the structure of the mounting base of the third embodiment of the line concentrating device of the present invention;

Figure 11 is a front elevational view of the hub structure of Figure 10;

Figure 12 is a side elevational view of the hub structure of Figure 10;

Figure 13 is a schematic structural view showing the connection of a hub and an electrical box of the fourth embodiment of the concentrating device of the invention;

Figure 14 is a schematic structural view of Embodiment 5 of the line concentrating device of the present invention;

15 is a schematic structural view of the line concentrating device of FIG. 14 mated with a main board;

Figure 16 is a schematic structural view of Embodiment 6 of the line concentrating device of the present invention;

17 is a perspective view of an embodiment of a hub provided by the present invention;

Figure 18 is a longitudinal sectional view of the hub of Figure 17;

Figure 19 is a partial cross-sectional view of the hub of Figure 17;

Figure 20 is a perspective view showing another angle of the cover of the hub of Figure 17;

21 is a perspective view of the mounting base of the hub of FIG. 17;

22 is a perspective view of an embodiment of an electrical box provided by the present invention;

23 is a schematic view showing the assembly of a base member, a panel body, a side panel, an electrical box, and a hub of an embodiment of an air conditioner according to the present invention;

Figure 24 is a partially exploded perspective view of the base member, panel body, side panel, electrical box, and hub of Figure 23;

Figure 25 is a schematic view showing the assembly of the base member, the panel body, the electrical box and the hub of Figure 23;

Figure 26 is a perspective view showing the assembly of the base member, the electrical box and the hub of Figure 23 at another angle;

Figure 27 is a schematic view showing the assembly of the electrical box and the hub of Figure 26;

Figure 28 is a partial cross-sectional view showing the electrical box and hub of Figure 27;

Figure 29 is an exploded perspective view of the electrical box and hub of Figure 26;

Figure 30 is an exploded perspective view showing the electrical box and the hub of Figure 29 at another angle;

Figure 31 is an exploded perspective view of the electrical box of Figure 30.

Wherein, the reference numerals in the above figures are:

G282, side plate; g330, base member; f1, box body; f2, main board; f4, cover; r30, intermediate connection line; r41, load terminal; r42, intermediate terminal; r50, injection molded part; r51, Through hole; r61, strong electric load over line slot; r62, weak electric load over line slot; r63, display over line slot; r64, slot; r65, rib plate; r66, first jack; r67, first card R68, fixed hook; r69, carrier substrate; r80, transition line; r1012, mounting hole; r104, hub; r1041, mounting base; r1042, adapter plate; r1043, snap; r1044, screw hole; r1045, installation Ear; r1046, snap-on bulge; r1047, outlet hole; r1048, over-line channel; r105, cover; r1051, guard plate; r1052, hook; r1053, closed insert; r1054, retaining rib; r1055, Limit ribs; r1713, motherboard terminal block; r172, electrical box; r1721, plug-in board; r1722, second board; r1723, second jack; r1724, terminal block hole; r1725, first board; r1726, Second wall; r1727, installation buckle; r1728, third board; r1729, ribs.

detailed description

The technical solutions of the present invention will be clearly and completely described in the following with reference to the accompanying drawings. It is obvious that the described embodiments are a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

As shown in FIG. 1 to FIG. 3, the line concentrating device has a plurality of load terminals r41 and at least one intermediate terminal r42, and the plurality of load terminals r41 are used for one-to-one correspondence with a plurality of loads; at least one intermediate terminal r42 It is electrically connected to the corresponding load terminal r41 and is detachably connected to at least one motherboard terminal r1713 of the electrical box r172, so that the plurality of load terminals r41 are integrated on the line concentrating device to facilitate the independent electrical box r172 Disassembled.

With the line concentrating device of the embodiment, the load terminal r41 connected to all the loads is integrated on the hub r104, and the intermediate terminal r42 on the hub r104 is detachably connected to the main board terminal r1713 of the electrical box r172, so that the electrical box As a whole, it can be disassembled independently, with a higher degree of modularity, achieving integration and modularization of air conditioners. In this way, on the one hand, the workload of the patch cord and the cable management during production assembly is greatly reduced, and the routing is more standardized. On the other hand, it is convenient for the after-sales maintenance personnel to remove the electrical box for maintenance work, effectively solving the prior art. The inside of the electrical box is connected with too much load, which is difficult to disassemble and repair.

In the first embodiment, the hub device is a hub, the hub includes an interposer r1042, and a plurality of load terminals r41 and at least one intermediate terminal r42 are formed on the interposer r1042. The adapter plate r1042 is a carrier of the terminal block, which can facilitate the fixing of the terminal block.

In the first embodiment, as shown in FIG. 1, the hub further includes at least one intermediate connection line r30 corresponding to at least one intermediate connection terminal r42. The two ends of the intermediate connection line r30 are respectively connected to the intermediate connection terminal r42 and the main board connection terminal r1713. Plug connection. The terminals of all the loads are connected to the hub r104, the terminals of one end of the intermediate connection line r30 are connected to the corresponding terminals on the main board f2, and the terminals of the other end of the connection line are connected to the intermediate terminals of the hub r104. on. The terminal block on the hub is connected to the terminal block on the main board through the intermediate connection line, and the connection is reliable through the soft connection mode of the line, which not only realizes the control of the load on the main board, but also causes the collision between the hub and the electrical box. Buffering effect. During maintenance inspection, remove the side panel assembly, then expose the electrical box, then pull the electrical box out a little, leak the intermediate cable, and unplug the terminal block of the intermediate cable that is plugged into the hub. Once the terminals of all loads are unplugged, the electrical box can be pulled out from the side as a whole, greatly reducing the workload during maintenance inspection. When the number of the connecting lines is two, one is a strong electric connecting line and the other is a weak electric connecting line; when the number of connecting lines is three, two of them are weak electric connecting lines, and the other one is a strong electric connection. line. Of course, the number of the connecting lines may be one. In this case, the strong electric terminal and the weak electric terminal share one connecting line, or the number of the connecting lines is not limited thereto, and may be set to more according to requirements.

In the first embodiment, as shown in FIG. 2, the line concentrating device further includes a mounting base r1041 for fixing on the frame of the air conditioner, and the adapter plate r1042 is mounted on the mounting base r1041. The mounting base r1041 facilitates the installation and fixing of the adapter plate, so that the adapter plate is not directly exposed inside the air conditioner, ensuring the safe operation of the adapter plate, and reducing the workload of arranging multiple load cables when removing the electrical box. It facilitates the disassembly of the main board and the electrical box, and also makes the adapter board easy to be installed with the electrical box, thereby reducing the overall installation space of the adapter board and the electrical box. At the same time, it is also convenient to fix the hub to the frame by installing the base body, and the fixing is simple.

In the first embodiment, the mounting base r1041 is a slot structure, and the adapter plate r1042 is mounted in the slot structure, and the size of the slot structure is adapted to the size of the adapter plate r1042. The size of the mounting base is adapted to the size of the adapter plate, minimizing the space occupied by the hub inside the air conditioner.

In the first embodiment, the mounting base r1041 has a plug portion that is mated with the electrical box r172. Easy to disassemble, easy for maintenance personnel to operate.

In the first embodiment, as shown in FIG. 2, the plug portion includes a plurality of first jacks r66 spaced apart in the vertical direction at one side of the mounting base r1041 and two adjacent first jacks r66. Between the first board r67, a plurality of first jacks r66 And the first board r67 is respectively used for a plurality of second boards r1722 spaced apart from the vertical direction on the electrical box r172 and a second jack r1723 formed between the adjacent two second boards r1722 Cooperate. The mounting base and the electrical box are fixed by the cooperation of the jack and the inserting board, which is formed by the structure of the mounting base itself, does not require the addition of additional components, has small space occupation, simple mode and reliable connection.

In the first embodiment, as shown in FIG. 2, the tank structure includes a carrier substrate r69 and four ribs r65 disposed on the carrier substrate r69. The carrier substrate r69 has a rectangular shape, and the carrier substrate r69 is vertically placed, and four ribs are arranged. R65 is disposed at the edge of the carrier substrate r69, and a plurality of first insertion holes r66 are formed on one of the ribs.

In the first embodiment, as shown in FIG. 2, the outer side wall of the hub structure is provided with a fixing hook r68, and a fixed space for fixing the load connecting line is formed between the fixing hook r68 and the outer side wall of the hub. The fixed space is used to fix the load cable and the wiring specification. The fixing hook is fixed to the rib having the first insertion hole. A second line is formed between the second board and the bottom wall of the first jack, and the load connection line emerges from the line through the fixed space. Preferably, the fixing buckles are two, and the two fixing buckles are oppositely disposed.

In the first embodiment, as shown in Figs. 1, 5 and 6, the mounting base r1041 is further provided with a connection structure for fixing to the base member g330 of the air conditioner. This facilitates hub installation and improves assembly efficiency. The connection structure includes at least one screw hole r1044 and a buckle r1043 formed on the mounting base r1041. The hub is inserted into the mounting hole of the frame through the buckle, and the screw is screwed through the screw hole to the internal threaded hole on the screw post, the connection is more secure and reliable, the space saving is maximized, and the assembly efficiency is improved. Of course, the hub can also be fixed to the frame by two screws, or the hub can be fixed to the frame by an interference fit only by the buckle.

In the first embodiment, the rack is a base member g330, a panel, a panel body, an electrical box r172 or a motor pressure plate. The mounting position of the hub r104 is preferably disposed on the base member g330. Of course, the hub can also be placed on the panel body. On the panel, on the bottom of the electrical box, on the motor pressure plate or in an electrical box.

In the first embodiment, the mounting base r1041 is injection molded to facilitate processing and reduce manufacturing costs.

In the first embodiment, the plurality of loads include a display, a motor, a wifi box, an ambient temperature sensor, a tube temperature package, a cold plasma, a mosquito repellent, a drive box, an auxiliary electric heating load, a humidity sensor, and a ground wire. Of course, in an embodiment not shown in the figure, the number of loads is at least one, and the load is selected according to requirements.

In the first embodiment, as shown in FIG. 4, the electrical box includes a casing f1 and a cover f4 detachably coupled to the casing f1, and the main plate f2 is disposed in the casing f1. As shown in FIG. 5 and FIG. 7, the outer bottom wall of the electrical box is provided with a mounting buckle r1727, and the base member is provided with a mounting hole r1012 that cooperates with the mounting buckle r1727.

As a changeable embodiment, FIG. 8 and FIG. 9 show another type of line concentrating device. The line concentrating device of the second embodiment differs from the line concentrating device of the above-described embodiment in that the specific structure of the plug portion is different. In the second embodiment, the plug portion is a slot r64 for mating with the board r1721 extending from the electrical box r172 toward the hub. The mounting base and the electrical box are fixed by the cooperation of the slot and the inserting board, which is formed by the structure of the mounting base itself, does not require the addition of additional components, has small space occupation, simple mode and reliable connection.

In the second embodiment, the mounting base r1041 is provided with a plurality of wire passing grooves for allowing the load connecting line to pass. The installation of several wire trunks on the mounting base facilitates the connection of multiple loads at different locations to multiple terminals on the riser board. A plurality of wire passing slots include a separately disposed strong electric load wire passing groove r61, a weak electric load passing wire groove r62, and a display passing wire groove r63. The strong electric load wire passing groove r61 is disposed at one end of the mounting base r1041, the weak electric load passing groove r62 is disposed at one end of the mounting base r1041, and the display passing groove r63 is disposed at the top of the mounting base r1041. Several wire trunks are divided into strong electric load over-line slots, weak electric load over-line slots and display over-line slots, which minimizes cross-winding of different load connecting lines.

In the second embodiment, the strong electric load over-line groove r61 and the weak electric load over-line groove r62 are respectively provided at the upper and lower ends of the mounting base r1041. In this way, the strong electric power is separated from the weak electric power, and the cross winding of the strong electric load connecting line and the weak electric load connecting line is reduced, and the wiring is more standardized.

In the second embodiment, the one end of the mounting base r1041 includes a pair of ribs r65 disposed in parallel with each other in the direction of the electrical box r172, and a space between the pair of ribs r65 forms a slot r64. The structure is simple, the manufacture is simple, and the cost is low.

In the second embodiment, the tank structure includes a carrier substrate r69 and five ribs r65 disposed on the carrier substrate r69. The carrier substrate r69 is rectangular and vertically placed, and four ribs r65 are disposed at the edge of the carrier substrate r69. The other rib is disposed in parallel with the two ribs, and the two ribs of the three parallel ribs form a slot. Preferably, two of the five ribs are short ribs, the other three are long ribs, the middle long ribs are placed near one long rib, and the slots are formed in two long ribs with a small distance. The wire groove is formed on the outer long rib plate and the carrier substrate of the two long rib plates having a small distance. A line groove is provided in the middle long rib plate.

In the second embodiment, the electrical box is provided with a terminal hole r1724 for inserting and removing the terminal of the intermediate connection line r30.

As an alternative embodiment, FIG. 10 to FIG. 12 show another line concentrating device according to an embodiment of the present invention. The line concentrating device of the third embodiment differs from the above-described second hub in that the line slot and the line are concave. The number of slots is different. In the second embodiment, the number of the trunking slots is three, one is a strong electric load crossing slot, and the other two are weak electric load crossing slots, and the number of the crossing grooves is also three, one is a strong electric load crossing The groove and the other two are weak electric load line grooves. In the third embodiment, the number of the trunking slots is two, one is a strong electric load crossing slot, and the other is a weak electric load crossing slot, and the number of the through-line grooves is also two, one is a strong electric load over-line concave The slot, the other is a weak electrical load through the line groove. Of course, the number of the wire grooves and the wire grooves is not limited thereto, and specific settings are made according to requirements.

In the third embodiment, the outer side wall of the mounting base r1041 has an outwardly extending mounting ear r1045, and a screw hole r1044 is formed on the mounting ear r1045.

As a changeable embodiment, FIG. 13 shows another line concentrating device according to an embodiment of the present invention. The line concentrating device of the fourth embodiment differs from the hub of the first embodiment in that the hub is connected to the electrical box differently. In the fourth embodiment, the intermediate terminal r42 is plugged and connected to the main board terminal r1713. The adapter board on the motherboard and the hub does not need a soft connection line, and is directly connected to the motherboard terminal block in the electrical box through the intermediate terminal, thereby realizing the hard connection of the hub and the electrical box, the connection is reliable, and the disassembly and assembly is convenient; The load terminals are integrated into the riser board, and various load cables are connected from the hub to connect various loads. When repairing, first remove the side panel assembly, then expose the electrical box, then pull the electrical box out to repair.

As a changeable embodiment, FIG. 14 and FIG. 15 show another type of line concentrating device. The line concentrating device of the fifth embodiment differs from the line concentrating device of the first embodiment in that the hub is connected to the electrical box in a different manner. In the fifth embodiment, the line concentrating device comprises an injection molded part r50 and a plurality of load lines, the injection molded part r50 is fixed on the frame of the air conditioner, and the injection part r50 is provided with a plurality of through holes r51; the plurality of load lines and A plurality of through holes r51 are arranged one by one, the first end of the load line is connected to the load, the second end of the load line has an intermediate terminal r42 and is fixed in the through hole r51, and the main board terminal r1713 is inserted into the through hole r51 and the middle Terminal block r42 is plugged in. The injection molded parts are designed with a plurality of square holes, which are used to fix various load terminals, so that the load terminals are concentrated on this injection molded part, and the corresponding load terminals on the main board are also concentrated in a certain area. One-to-one plug connection with the load terminal on the injection molded part, the connection is reliable, and the disassembly and assembly is convenient. When repairing, first remove the side panel assembly, then expose the electrical box, then pull the electrical box out to repair.

As a changeable embodiment, FIG. 16 shows another line concentrating device. The line concentrating device of the sixth embodiment differs from the first embodiment in that the hub is connected to the electrical box in a different manner. In the sixth embodiment, the line concentrating device is a transition line r80, the first end of the transition line r80 has an intermediate terminal r42, the intermediate terminal r42 is plugged and connected with the main board terminal r1713, and the second end of the transition line r80 is divided. The load line is connected, and the end of the load line is connected to the load. At one end of the transition line, two terminals are directly connected to the electrical box, and the other end of the transition line is separated from the load line, and the connection is reliable, and the assembly and disassembly is convenient. The first end of the transition line has two terminals, one being a strong electrical terminal and the other being a weak electrical terminal. Of course, the first end of the transition line can also have three terminals, two of which are weak electrical terminals and the other is a strong electrical terminal; or the first end of the transition line can also have a terminal, which is about to be strong The terminal and the weak current terminal are integrated into one terminal, or the number of the terminals at the first end of the transition line is not limited thereto, and may be set to more according to requirements. The number of transition lines is at least one, and the number of transition lines is selected according to requirements. First remove the side panel assembly, then expose the electrical box, then pull the electrical box out to repair.

The electrical box r172 is connected to a plurality of loads by a line concentrating device, and the line concentrating device is the above-described line concentrating device. The load terminal r41 connected to all the loads is integrated on the hub r104, and the intermediate terminal r42 on the hub r104 is detachably connected to the main board terminal r1713 of the electrical box r172, so that the electrical box can be independently disassembled as a whole, modularity Higher, achieving integration and modularization of air conditioners. In this way, on the one hand, the workload of the patch cord and the cable management during production assembly is greatly reduced, and the routing is more standardized. On the other hand, it is convenient for the after-sales maintenance personnel to remove the electrical box for maintenance work, effectively solving the prior art. The inside of the electrical box is connected with too much load, which is difficult to disassemble and repair.

The modular air conditioning technology is becoming more and more mature, and the successful application of a hub structure on the air conditioner is a major breakthrough in the design of modular air conditioners. At the same time, higher requirements are placed on the fire protection goals of the hub and electrical box structure. For the high-demand fire protection standard, the present invention proposes a fireproof structure design of a hub and an electrical box. As shown in FIG. 17, the hub r104 further includes a cover r105, and the cover r105 is disposed at an outlet area of the mounting base r1041 to be closed. Outlet area. The cover r105 closes the outlet area of the mounting base r1041, which can greatly reduce the supply and circulation of combustible air, and provides an environment for suppressing the spread of accidental fires, which can effectively avoid the fire caused by short circuit or electric leakage. Improve the safety and reliability of the whole machine operation.

In this embodiment, as shown in FIG. 18, the cover r105 is snap-fitted to the mounting base r1041. The card connection is simple and easy to install. Preferably, the cover r105 has a hook r1052, and the outer wall of the mounting base r1041 has a convex protrusion protruding outward. From r1046, the hook r1052 is snapped at the latching protrusion r1046. The hook r1052 is formed on the top of the cover r105, and the snap protrusion r1046 is formed on the outer top wall of the mounting base r1041.

In the present embodiment, as shown in FIGS. 19, 20, and 21, the mounting base r1041 has a wire passing groove, and the cover r105 has a closing insert plate r1053 inserted into the wire groove. The closed plug-in board r1053 is inserted in the trunking slot to play the role of closing the trunking slot, enhancing the fireproof function of the hub, improving the fireproof performance of the air conditioner of the whole machine, and providing the production, sales and after-sales of the whole machine. Guarantee.

In this embodiment, the mounting base r1041 has a wire hole r1047 and a wire passage r1048. The wire passage r1048 communicates with the wire hole r1047 and the wire groove. The outlet hole r1047 and the wire groove are staggered to make the wire hole r1047 and the wire passage. R1048 and the wireway form a meandering routing channel. The meandering routing channel greatly reduces the supply and circulation of combustible air, providing an environment for the suppression of sporadic fires. The cover r105 includes a shield r1051 and a rib r1054 disposed on a side of the shield r1051 facing the mounting base r1041, and the closing insert r1053 is formed on a side of the shield r1051 facing the mounting base r1041, and the rib is convex The strip r1054 is disposed at the outlet hole r1047 to close the outlet hole r1047. The rib rib r1054 functions to close the outlet hole r1047, further enhancing the fire prevention function of the hub. The rib rib r1054 is located in the over-line channel r1048, and the rib rib r1054 also functions to close the line passage.

In this embodiment, the outlet hole r1047 and the rib rib r1054 are two, and the two outlet ribs r1047 are spaced apart, and the two ribs r1054 are disposed in one-to-one correspondence with the two outlet holes r1047. One outlet hole is a strong electrical connection line outlet, and the other outlet hole is a weak electric connection line outlet.

In this embodiment, the cover r105 further includes a limiting structure. The limiting structure is disposed on a side of the shield r1051 facing the mounting base r1041 and cooperates with the inner wall of the mounting base r1041 to limit the cover r105 relative to the mounting base r1041. mobile. The limiting structure acts as a limit to prevent the movement of the cover relative to the mounting base, and the fixing is more stable and stable.

In this embodiment, the limiting structure includes two opposite limiting ribs r1055, and two limiting ribs r1055 are respectively disposed at the top and bottom of the shielding plate r1051 to limit the upward direction of the cover r105 relative to the mounting base r1041. Move Downward. The bottom of the shield r1051 is adjacent to the base member g330. The orientations indicated up and down are based on the orientation shown in FIG.

As shown in FIG. 22, in the present embodiment, the hub structure has an opening and a mounting cavity that communicates with the opening, and the electrical box r172 is provided with a closed portion that closes the opening. The closed part of the electrical box encloses the opening of the line structure, and the position of the line structure and the electrical box also has a fireproof function, and enhances the fireproof function of the hub and the electrical box, thereby effectively avoiding the fire caused by the short circuit or leakage of the whole machine. Suffering, improve the fire performance of the whole machine air conditioner. Preferably, the hub structure comprises a mounting base r1041 having an opening and a mounting cavity, the mounting plate r1042 being mounted in the mounting cavity, and the opening being the mounting adapter plate r1042 on the mounting base r1041 Opening.

In this embodiment, the closing portion is a rib r1729 that fits around the opening and protrudes. The rib strip has a simple structure, is easy to process, and has low cost. After the cover is installed in the outlet area of the mounting base, the ribs can close the opening of the mounting adapter plate r1042 on the mounting base r1041, and the cover can cooperate with the ribs on the electrical box to effectively turn the hub. The board is effectively enclosed inside the space.

The following is a brief description of the specific structure of the hub and the electrical box. The mounting base of the hub has the installation space for the adapter plate, the outlet holes for various loads, the line passages for various loads, the wire slots for various loads, and the card. The protruding protrusion, the outlet hole, the through-line channel and the crossing groove form a meandering routing channel, and the cover of the hub has a guard plate, a closed inserting plate, a limiting rib, a rib rib and a hook, and the hook and the hook The card is connected with the protrusion, and the insertion plate is inserted in the wire groove, and the rib is located in the line passage and closes the line hole, and the cover closes the outlet area on the mounting base. At the same time, the opposite position of the electrical box is provided with a protruding ribs, and the ribs can close the opening on the transfer box of the adapter plate, which can effectively close the adapter plate. Through the cooperation between the hub and the electrical box, the soft connecting line and the connecting cable terminal jack between the two are simultaneously closed, and the fireproof effect is better.

The present invention also provides an air conditioner comprising an electrical box r172 and a line concentrating device. The electrical box r172 is connected to a plurality of loads through a line concentrating device, and the concentrating device is the above-mentioned concentrating device.

The design requirements of the modular air conditioner are to facilitate the production assembly and after-sales maintenance inspection of the air conditioner. The degree of easy disassembly and easy maintenance of the air conditioner is directly related to the workload of the staff of the air conditioner after-sales maintenance. The structure of the air conditioner is designed to be easy to disassemble and easy to repair, and it is also the direction of the designer's continuous efforts. The connection position of the modular air conditioner electrical box and the hub cable is shown in Figure 9 below. The electrical box and the hub are connected by a soft connecting cable. The terminal interface of the connecting cable plugged into the electrical box is designed. After being biased toward the inside of the electrical box, after the side panel is removed, the connection position of the connection line between the electrical box and the hub is not exposed. This design brings a disadvantage: when testing and repairing the electrical box, it is necessary to separate the electrical box and the hub. The position of the terminal of the connecting wire that is plugged into the electrical box is biased toward the inner side of the air conditioner to cause space limitation, and it is inconvenient to manually operate the plugging and unplugging cable when the connecting line between the electrical box and the hub is removed.

In view of the inconvenience of the connection and disconnection of the above electrical box and the hub, the insertion and removal position of the connection box of the electrical box and the hub is optimized and improved, as shown in FIG. 27 to FIG. 30, the orientation of the electrical box r172 is toward the collecting line. The side of one side is provided with a terminal hole r1724 for facilitating the insertion and removal of the connection terminal of the connection line on the electrical box r172. After the side plate g282 is removed, the electrical connector and the hub connector are exposed (as shown in FIG. 25 and FIG. 27), which facilitates the connection between the electrical box and the hub, that is, the connection cable from the electrical box. The operation of plugging and unplugging is more convenient, which greatly facilitates the disassembly between the electrical box and the hub, and is beneficial to the inspection and maintenance of the electrical box after the sale.

In the present embodiment, as shown in FIGS. 23 to 26, the terminal hole r1724 is disposed near the air inlet of the air conditioner. That is, the terminal hole r1724 is close to the upper end side of the air conditioner installation state, that is, the air inlet side.

In this embodiment, as shown in FIG. 31, the electrical box r172 includes a box body f1 and a box cover f4. The box cover f4 is disposed on the box body f1, and the box body f1 has a first surface facing the line structure, and the box body A side of the f1 adjacent to the first surface is provided with a first shroud r1725 extending along the first surface and a second shroud r1726 extending perpendicular to the first surface, between the first shroud r1725 and the second shroud r1726 With a distance, the side of the cover f4 is provided with a third surrounding plate r1728 extending toward the side of the casing f1, and the third surrounding plate r1728 closes the side space surrounded by the first surrounding plate r1725 and the second surrounding plate r1726 and forms an orientation Terminal block hole r1724. That is to say, two coaming plates are arranged on the box body, and a coaming plate is arranged on the box cover, and the two coaming plates on the box body and the coaming plates on the box cover cooperate to form a connection line. Terminal block holes on the electrical box.

The following describes the operation process of the maintenance and detection of the electrical box. The connection terminal of the connection line plugged into the electrical box is set on the side of the electrical box, and the connection terminal on the previous electrical box is located in the Tilt to the inside of the electrical box (see Figure 9) Shown). The terminal hole is provided on the side of the electrical box so that the operation space for manually operating the plugging and unplugging cable is sufficient. When performing maintenance inspection on the electrical box, first remove the side plate g282 as shown in Figure 24. At this time, the connection position of the electrical box and the hub can be fully exposed as shown in Fig. 25. At this time, it is convenient. Pull the electrical box out slightly, unplug the terminal block of the cable plugged into the electrical box, and the electrical box can be removed. This is very convenient to plug and unplug the connection cable on the electrical box, which greatly facilitates the disassembly of the electrical box, facilitates the after-sales maintenance inspection work, and provides convenience for after-sales maintenance inspection.

It is apparent that the above-described embodiments are merely illustrative of the examples, and are not intended to limit the embodiments. Other variations or modifications of the various forms may be made by those skilled in the art in light of the above description. There is no need and no way to exhaust all of the implementations. Obvious changes or variations resulting therefrom are still within the scope of the invention.

Claims

A line concentrating device, characterized in that the line concentrating device has:

a plurality of load ends configured to be connected in one-to-one correspondence with the plurality of loads;

At least one intermediate terminal (r42) electrically connected to the corresponding load end and detachably connected to at least one motherboard terminal (r1713) of the electrical box (r172) to enable the plurality of loads The end portion is integrated on the line concentrating device to facilitate independent disassembly of the electrical box (r172).
The line concentrating device according to claim 1, wherein said line concentrating device is a hub, said hub includes an adapter plate (r1042), and said load end portion is a load connection terminal (r41), and a plurality of The load terminal (r41) and at least one of the intermediate terminals (r42) are formed on the interposer (r1042).
The line concentrating device according to claim 2, wherein said hub further comprises at least one intermediate connection line (r30) corresponding to at least one of said intermediate connection terminals (r42), said intermediate connection line (r30 Both ends of the cable are respectively connected to the intermediate terminal (r42) and the motherboard terminal (r1713).
The line concentrating device according to claim 3, wherein the number of the intermediate connecting wires (r30) is one, two or three.
The line concentrating device according to claim 2, wherein said intermediate terminal (r42) is plugged and connected to said main board terminal (r1713).
The line concentrating device according to claim 2, wherein the line concentrating device further comprises a mounting base (r1041) for fixing to a frame of the air conditioner, the transfer A plate (r1042) is mounted on the mounting base (r1041).
The line concentrating device according to claim 6, wherein the mounting base (r1041) is a trough structure, and the adapter plate (r1042) is mounted in the trough structure, the trough structure The size is adapted to the size of the adapter plate (r1042).
The hub device hub according to claim 6, wherein the mounting base (r1041) is provided with a plurality of wire passing grooves for allowing the load connecting wires to pass.
The hub device hub according to claim 8, wherein the plurality of trunking slots comprise separately arranged strong electrical load line slots (r61), weak power load line slots (r62), and display trunking slots. (r63).
The line concentrating device according to claim 8, wherein the plurality of wire trunking grooves comprise:

a strong electrical load wire slot (r61) disposed at one side of the mounting base (r1041), and/or

a weak electric load crossing groove (r62) disposed at one side of the mounting base (r1041), and/or

A display wire trough (r63) is disposed at the top of the mounting base (r1041).
The line concentrating device according to claim 10, wherein said plurality of wire passing grooves comprise said strong electric load wire passing groove (r61) and said weak electric load passing line groove (r62), said strong An electric load wire passing groove (r61) and the weak electric load wire passing groove (r62) are respectively provided at upper and lower ends of the mounting base (r1041).
The line concentrating device according to claim 6, wherein the mounting base (r1041) has a plug portion that is mated with the electrical box (r172).
The line concentrating device according to claim 12, wherein the insertion portion is a socket (r64) for mating with a board (r1721) extending in the direction of the hub of the electrical box (r172) .
The line concentrating device according to claim 13, wherein one end of the mounting base (r1041) includes a pair of ribs (r65) spaced apart in parallel with the direction of the electrical box (r172), the one The space (r64) is formed with respect to the space between the ribs (r65).
The line concentrating device according to claim 12, wherein the insertion portion includes a plurality of first insertion holes (r66) and are formed at intervals on a side of the mounting base (r1041) in a vertical direction a first board (r67) between two adjacent ones of the first jacks (r66), a plurality of the first jacks (r66) and the first board (r67) are respectively used a plurality of second boards (r1722) spaced apart from the vertical direction on the electrical box (r172) and a second formed between the adjacent two second boards (r1722) The jack (r1723) fits.
The line concentrating device according to claim 6, wherein the outer side wall of the hub structure is provided with a fixing hook (r68), and the fixing hook (r68) and the outer side wall of the hub are formed. A fixed space for fixing the load cable.
The line concentrating device according to claim 6, wherein the mounting base (r1041) is further provided with a connection structure for fixing to a base member of the air conditioner.
The line concentrating device according to claim 17, wherein said connecting structure comprises at least one screw hole (r1044) and/or a snap (r1043) formed on said mounting base (r1041).
The line concentrating device according to claim 6, wherein the mounting base (r1041) is injection molded.
The line concentrating device according to claim 1, wherein the line concentrating device comprises:

An injection molded part (r50) for fixing on a frame of the air conditioner, the injection molded part (r50) is provided with a plurality of through holes (r51);

a plurality of load lines, the plurality of load lines being disposed in one-to-one correspondence with the plurality of through holes (r51), the first end of the load line being connected to the load and forming the load end, the load The second end of the wire has the intermediate terminal (r42) and is fixed in the through hole (r51), and the motherboard terminal (r1713) is inserted into the through hole (r51) and the intermediate terminal ( R42) Plug connection.
The line concentrating device according to claim 1, wherein the line concentrating device is a transition line (r80), and the first end of the transition line (r80) has the intermediate terminal (r42), The intermediate terminal (r42) is plugged into the motherboard terminal (r1713), and the second end of the transition line (r80) branches out a plurality of load lines, and the end of the load line is connected to the load The load end is formed.
The line concentrating device according to claim 21, wherein said transition line (r80) has at least one of said intermediate terminals (r42) on a first end thereof, and/or said transition line (r80) The number of articles is at least one.
The line concentrating device according to claim 1, wherein the plurality of loads comprise a display, a motor, a WiFi box, an ambient temperature package, a tube temperature package, a cold plasma, a mosquito repellent, a drive box, and an auxiliary electric heating. At least one of a load, a humidity sensor, and a ground.
The hub device according to claim 6, wherein the hub (r104) further includes a cover (r105), and the cover (r105) is disposed at an exit area of the mounting base (r1041) The outlet area is closed.
The line concentrating device according to claim 24, characterized in that the cover (r105) is snap-fitted to the mounting base (r1041).
The line concentrating device according to claim 25, wherein the cover (r105) has a hook (r1052), and the outer wall of the mounting base (r1041) has an outwardly projecting snap protrusion ( R1046), the hook (r1052) is snapped at the snap protrusion (r1046).
A line concentrating device according to claim 24, wherein said mounting base (r1041) has a wire passing groove, and said cover (r105) has a closing insert (r1053) inserted into said wire passing groove.
The line concentrating device according to claim 27, wherein

The mounting base (r1041) has a wire outlet (r1047) and a wire passage (r1048), the wire passage (r1048) communicating with the outlet hole (r1047) and the wire passing hole, the outlet hole (r1047) And the wire trough are staggered so that the outlet hole (r1047), the wire passage (r1048) and the wire groove form a meandering route;

The cover (r105) includes a shield (r1051) and a rib (r1054) disposed on a side of the shield (r1051) facing the mounting base (r1041), the closure insert ( R1053) is formed on a side of the shield (r1051) facing the mounting base (r1041), and the retainer rib (r1054) is disposed at the outlet hole (r1047) to close the outlet hole ( R1047).
The line concentrating device according to claim 28, wherein the cover (r105) further comprises a limiting structure, the limiting structure is disposed on the mounting plate (r1051) facing the mounting base (r1041) One side is engaged with the inner wall of the mounting base (r1041) to restrict the movement of the cover (r105) relative to the mounting base (r1041).
The line concentrating device according to claim 29, wherein the limiting structure comprises two opposite limiting ribs (r1055), and the two limiting ribs (r1055) are respectively disposed in the The top and bottom of the shield (r1051) are used to limit the upward and downward movement of the cover (r105) relative to the mounting base (r1041).
An air conditioner comprising an electrical box (r172) and a line concentrating device, wherein the electrical box (r172) is connected to a plurality of loads through the line concentrating device, and the line concentrating device is according to claims 1 to 30 The line concentrating device according to any one of the preceding claims.
The air conditioner according to claim 31, wherein said line concentrating means has an opening and a mounting cavity communicating with said opening, and said electrical box (r172) is provided with a closing portion for closing said opening.
The air conditioner according to claim 32, wherein said line concentrating means comprises a mounting base (r1041) and an adapter plate (r1042), said mounting base (r1041) having said opening and said mounting cavity The adapter plate (r1042) is mounted in the mounting cavity, and the opening is an opening on the mounting base (r1041) on which the adapter plate (r1042) is mounted.
The air conditioner according to claim 32 or 33, wherein the closing portion is a rib (r1729) that engages with the circumference of the opening and protrudes.
The air conditioner according to claim 31, wherein a side of the electrical box (r172) facing the side of the line concentrating device is provided with a terminal hole (r1724) for facilitating the electrical box The terminals of the connecting wires on (r172) are plugged and unplugged.
The air conditioner according to claim 35, wherein said terminal hole (r1724) is disposed adjacent to an air inlet of said air conditioner.
The air conditioner according to claim 35, wherein said electrical box (r172) comprises a casing (f1) and a cover (f4), and said cover (f4) is provided in said casing (f1) The case (f1) has a first surface facing the line concentrating device, and a side of the case (f1) adjacent to the first surface is provided to extend along the first surface a first panel (r1725) and a second panel (r1726) extending perpendicular to the first surface, the first panel (r1725) and the second panel (r1726) having a distance therebetween The side of the cover (f4) is provided with a third panel (r1728) extending toward the side of the casing (f1), and the third panel (r1728) closes the first panel (r1725) And a side space surrounded by the second surrounding plate (r1726) and forming the terminal hole (r1724) facing the line concentrating device.