Incoming and outgoing line wiring structure of switch

Abstract

The utility model provides an incoming and outgoing line wiring structure of a switch, which comprises a head-end phase and a tail-end phase at two sides of the switch, and an intermediate phase positioned between the head-end phase and the tail-end phase, the head-end phase and the tail-end phase respectively comprise at least two poles, the intermediate phase comprises at least three poles, and the tail-end phase is connected with the intermediate phase. The device is characterized in that all poles of the respective upper wiring ends and the respective lower wiring ends of the head end phase, the middle phase and the tail end phase are in short circuit, and all poles of the respective upper wiring ends and the respective lower wiring ends of the head end phase, the middle phase and the tail end phase are connected in parallel after short circuit. The incoming and outgoing line ends of the switch are connected in parallel, so that the resistance of the circuit is reduced, and the temperature rise of the product is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of low-voltage electrical apparatus, specifically relates to a switch incoming and outgoing line wiring structure. BACKGROUND

[0002] The circuit breaker is an important part of the distribution electrical apparatus, and is mainly used for the industrial low-voltage power system to connect and disconnect the current in the power grid circuit and protect the line and power supply equipment from the damage of overload, under-voltage, short circuit, single-phase grounding and the like.

[0003] The circuit breaker is various in structure according to its performance requirements, wherein the draw-out frame circuit breaker is a structure commonly used in the low-voltage electrical industry, and is mainly composed of a circuit breaker body and a drawer seat. The incoming and outgoing line ends of the frame circuit breaker are arranged side by side on a plane; the middle phase is not good in heat dissipation due to the positional relationship, and finally leads to the temperature rise of the middle phase during the working of the product, especially the horizontal wiring position is prone to high temperature rise, thereby reducing the performance of the product. CONTENT

[0004] The utility model aims at the defect that the temperature of the incoming and outgoing line ends of the middle phase of the existing switch is prone to be too high to reduce the performance of the product, and provides a switch incoming and outgoing line wiring structure, which connects the incoming and outgoing line ends of the switch in series through a shorting plate and then connects the shorting plate with an external wire through a bus, thereby reducing the resistance of the circuit and the temperature rise of the product.

[0005] TECHNICAL SCHEME

[0006] In order to achieve the above technical purpose, the utility model provides a switch incoming and outgoing line wiring structure, which comprises a first end phase and a tail end phase on both sides of a switch, and a middle phase between the first end phase and the tail end phase, wherein the first end phase and the tail end phase each comprise at least two poles, and the middle phase comprises at least three poles, characterized in that all the poles of the upper connection end and the lower connection end of each of the first end phase, the middle phase and the tail end phase are shorted, and all the poles of the upper connection end and the lower connection end of each of the first end phase, the middle phase and the tail end phase after shorting are connected in parallel.

[0007] In one embodiment, a bus one is arranged on each pole of the upper connection end and the lower connection end of the first end phase and the tail end phase, the upper connection end and the lower connection end of the first end phase and the tail end phase are connected by at least one shorting plate one, at least one bus two is arranged on the shorting plate one, a bus three is arranged on each pole of the upper connection end and the lower connection end of the middle phase, and the upper connection end and the lower connection end of the middle phase are connected by at least one shorting plate two, and at least one bus four is arranged on the shorting plate two.

[0008] In one of the embodiments, the head phase and the tail phase are each composed of 2 poles or 3 poles, all the busbars of the upper and lower terminal ends of the head phase and the tail phase are connected by a shorting plate, and at least one busbar is installed on the corresponding shorting plate.

[0009] In one of the embodiments, the head phase and the tail phase are each composed of 3 poles, the corresponding busbars of the two poles of the busbars of the upper and lower terminal ends of the head phase and the tail phase are connected by a shorting plate, the busbar of the other pole is connected with a switching plate, and at least one busbar is installed on the corresponding shorting plate, wherein one busbar connects the switching plate and the shorting plate.

[0010] In one of the embodiments, the middle phase is composed of three adjacent poles, all the busbars of the upper and lower terminal ends of the middle phase are connected by a shorting plate, and at least one busbar is installed on the corresponding shorting plate.

[0011] In one of the embodiments, the middle phase is composed of three adjacent poles, the corresponding busbars of the two poles of the busbars of the upper and lower terminal ends of the middle phase are connected by a shorting plate, the busbar of the other pole is connected with a switching plate, and at least one busbar is installed on the corresponding shorting plate, wherein one busbar connects the switching plate and the shorting plate.

[0012] In one of the embodiments, the middle phase is composed of four adjacent poles, the four busbars of the upper and lower terminal ends of the middle phase are divided into two groups, each group includes two busbars, two shorting plates are connected to the two busbars in each group, and at least one busbar is connected to the corresponding two shorting plates.

[0013] In one of the embodiments, the busbar is provided with at least one horizontal terminal plate part and / or the busbar is provided with at least one horizontal terminal plate part.

[0014] In one of the embodiments, the busbar is provided with at least one vertical terminal plate part and / or the busbar is provided with at least one vertical terminal plate part.

[0015] In one of the embodiments, the busbar and the busbar are provided with at least one horizontal terminal plate part and at least one horizontal terminal plate part, respectively, and the busbar and the busbar are provided with at least one vertical terminal plate part and at least one vertical terminal plate part, respectively.

[0016] Or:

[0017] The upper connection terminal of the busbar two and the upper connection terminal of the busbar four are respectively provided with at least one vertical connection plate part one and at least one vertical connection plate part two, and the lower connection terminal of the busbar two and the lower connection terminal of the busbar four are respectively provided with at least one horizontal connection plate part one and at least one horizontal connection plate part two.

[0018] In one of the embodiments, a neutral phase is further included on the other side of the tail end, and the neutral phase is composed of one pole.

[0019] In one of the embodiments, the upper connection terminal and the lower connection terminal of the neutral phase are both arranged with a busbar five, the busbar five is connected with the adapter plate three, and a busbar six is connected with the adapter plate three.

[0020] In one of the embodiments, the busbar six is provided with at least one horizontal connection plate part three or the busbar six is provided with at least one vertical connection plate part three.

[0021] And:

[0022] The connection plate part of the busbar six of the upper connection terminal is consistent with the connection plate part of the busbar two of the upper connection terminal, and the connection plate part of the busbar six of the lower connection terminal is consistent with the connection plate part of the busbar two of the lower connection terminal.

[0023] In one of the embodiments, the busbar two and / or the busbar four are integrally drawn busbars, and the outer side edges of the corresponding horizontal connection plate part one and the horizontal connection plate part two of the busbar two and the busbar four are provided with heat dissipation grooves.

[0024] Beneficial effects

[0025] The utility model provides a kind of incoming and outgoing line connection structure of switch, it includes the head end phase and tail end phase of switch both sides, and intermediate phase between the head end phase and tail end phase, the head end phase and tail end phase include at least two poles respectively, the intermediate phase includes at least three poles, the upper connection terminal of the head end phase, intermediate phase and tail end phase and the lower connection terminal of each other are all short-circuit, and the upper connection terminal and the lower connection terminal of the head end phase, intermediate phase and tail end phase after short-circuit all poles form parallel connection.The incoming and outgoing line terminal of switch is connected in parallel, reduce the resistance of circuit, and then reduce the temperature rise of product. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, it should be understood that the following drawings only show some embodiments of the present application, therefore should not be regarded as the limitation to the scope, for ordinary skilled person in the art, on the premise of not paying creative labor, other related drawings can also be obtained according to these drawings.

[0027] Attachment Figure 1Is the horizontal connection line in the embodiment 1 of the utility model enters the line connection structure schematic diagram of going in and out;

[0028] The Figure 2 Is the explosion drawing of Figure 1 ;

[0029] The Figure 3 Is the decomposition schematic diagram of going in and out line connection structure in the embodiment 1 of the utility model;

[0030] The Figure 4 Is the structure schematic diagram of the four-pole intermediate phase in the embodiment 1 of the utility model;

[0031] The Figure 5 Is the explosion drawing of Figure 4 ;

[0032] The Figure 6 Is the decomposition schematic diagram of the four-pole intermediate phase in the embodiment 1 of the utility model;

[0033] The Figure 7 Is the vertical connection line in the embodiment 2 of the utility model enters the line connection structure schematic diagram of going in and out;

[0034] The Figure 8 Is Figure 7 The explosion drawing of;

[0035] The Figure 9 Is the decomposition schematic diagram of going in and out line connection structure in the embodiment 2 of the utility model;

[0036] The Figure 10 Is the vertical connection line in the embodiment 5 of the utility model enters the line connection structure schematic diagram of going in and out;

[0037] The Figure 11 Is Figure 10 The explosion drawing of;

[0038] The Figure 12 Is the horizontal connection line in the embodiment 5 of the utility model enters the line connection structure schematic diagram of going in and out;

[0039] The Figure 13 Is Figure 12 The explosion drawing of;

[0040] The Figure 14 Is the integrated bus structure schematic diagram in the embodiment of the utility model; Specific implementation

[0041] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will clearly and completely explain the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort should fall into the scope of the present application.

[0042] It should be noted that when a component is referred to as being "on" or "disposed on" another component, it can be directly on the other component or there can be intervening components. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or there can be intervening components. The terms "vertical", "horizontal", "upper", "lower", "left", "right", and similar terms as used in the present specification are for purposes of description and not of limitation unless otherwise noted.

[0043] In addition, the terms "first", "second", and the like, are used only to describe the objects and do not imply or suggest relative importance or a quantity of the specified technical features. Thus, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0044] In the present application, unless otherwise explicitly specified and limited, the "on", "under", "above" and "over" of the first feature to the second feature can be that the first feature directly contacts the second feature, or the first feature indirectly contacts the second feature through an intermediate medium. Moreover, the "above", "over" and "on" of the first feature to the second feature can be that the first feature is directly above or obliquely above the second feature, or only means that the first feature is higher than the second feature in horizontal height. The "below", "under" and "underneath" of the first feature to the second feature can be that the first feature is directly below or obliquely below the second feature, or only means that the first feature is lower than the second feature in horizontal height.

[0045] Unless otherwise defined, all technical and scientific terms used in the specification of the present application have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. The term "and / or" used in the specification of the present application includes any and all combinations of one or more related listed items.

[0046] Embodiment 1

[0047] The existing frame circuit breaker intermediate phase in and out of the line end is easy to overheat, which leads to the reduction of product performance. In order to solve this problem, as shown in the accompanying Figure 1 and 2 The present embodiment provides a kind of in and out of the line connection structure of switch, it includes the first end phase A and tail end phase C of circuit breaker two sides, and intermediate phase B between the first end phase A and tail end phase C, the first end phase A and tail end phase C include at least two poles respectively, intermediate phase B includes at least three poles, the all poles of the upper connection terminal of first end phase A, intermediate phase B and tail end phase C and the lower connection terminal of each other are short-circuited, after short-circuiting, the all poles of the upper connection terminal and the lower connection terminal of first end phase A, intermediate phase B and tail end phase C form parallel connection.

[0048] Busbar one 101 is arranged on each pole of the upper connection terminal and the lower connection terminal of the first end phase A and tail end phase C, and the upper connection terminal and the lower connection terminal of the first end phase A and tail end phase C are connected by at least one short-circuiting plate one 102, at least one busbar two 103 is arranged on the short-circuiting plate one 102, and busbar three 201 is arranged on each pole of the upper connection terminal and the lower connection terminal of intermediate phase B, and the upper connection terminal and the lower connection terminal of intermediate phase B are connected by at least one short-circuiting plate two 202, and at least one busbar four 203 is arranged on the short-circuiting plate two 202.

[0049] The short-circuiting structure of the upper connection terminal and the lower connection terminal is preferably the same, and the present embodiment takes three-phase as an example, and is further described by taking the upper connection terminal as an example. The first end phase A and tail end phase C each consist of 2 poles, and all busbar one 101 of the upper connection terminal of the first end phase A and tail end phase C is connected by one short-circuiting plate one 102, and at least one busbar two 103 is arranged on the corresponding short-circuiting plate one 102.

[0050] As shown in the accompanying Figure 2 The intermediate phase B includes three poles, and busbar three 201 on the three poles is connected by one short-circuiting plate two 202, and one busbar four 203 is arranged on the short-circuiting plate two 202. One busbar four 203 has two bases 203c, and the two bases 203c correspond to two busbar three 201 in busbar three 201 on the three poles respectively; or one base 203c corresponds to one busbar three 201, and the other base 203c corresponds to the middle position of the remaining two busbar three 201; or the two bases 203c correspond to the middle positions of the adjacent two busbar three 201 respectively.

[0051] Busbar 2 103 is provided with at least one horizontal terminal block section 103a and / or busbar 4 203 is provided with at least one horizontal terminal block section 203a. In this embodiment, busbar 2 103 is provided with two horizontal terminal block sections 103a and busbar 4 203 is provided with two horizontal terminal block sections 203a. Specifically, in this embodiment, both horizontal terminal block sections 103a and 203a are composed of two horizontally parallel terminal blocks; of course, they can also be composed of one terminal block or at least three parallel terminal blocks, which is not limited here.

[0052] Horizontal terminal block section 103a and horizontal terminal block section 203a have sufficient width for users to connect external busbars. Preferably, the length of horizontal terminal block section 103a and horizontal terminal block section 203a is greater than the width of the corresponding busbar, that is, the horizontal terminal block section can connect at least two sets of busbars. Of course, busbar 2 103 and busbar 4 203 can also be made into separate parts, with each base 203c having horizontal terminal block section 103a and horizontal terminal block section 203a respectively.

[0053] In practice, as shown in the appendix Figure 3 As shown, the intermediate phase B includes three adjacent poles, each of which is equipped with a busbar 201. A shorting plate 202 connects all the busbars 201 in the three poles, and a busbar 203 is connected to the shorting plate 202. Specifically, it is as shown in the attached diagram. Figure 3 As shown, busbar 4203 is connected to shorting plate 2202.

[0054] In practice, it can also be as shown in the appendix. Figure 4 As shown in Figures 5 and 6, the intermediate phase B includes four adjacent poles, each of which is equipped with a busbar 201. The four busbars 201 are divided into two groups, each group consisting of two busbars 201. Two shorting plates 202 short-circuit the two busbars 201 on the left and right sides, respectively. One busbar 203 short-circuits the two shorting plates 202. More specifically, the busbar 203 has two bases 203c, each corresponding to one of the two shorting plates 202. In this case, the busbar 203 is a single unit.

[0055] Example 2

[0056] As attached Figure 7 As shown in Figures 8 and 9, the intermediate phase B includes three adjacent poles, each of which is equipped with a busbar 201. A shorting plate 202 connects at least two of the busbars 201 in the poles. In this embodiment, the shorting plate 202 connects three busbars 201 in the poles, and two busbars 203 are mounted on the shorting plate 202. Vertical connection plate portion 103b and vertical connection plate portion 203b are respectively provided on busbars 2103 and 203.

[0057] The vertical direct connection plate part one 103b and the vertical direct connection plate part two 203b of the embodiment are both composed of two vertical parallel connection plates, and of course can be composed of one connection plate or at least three parallel connection plates, which is not limited here.

[0058] Of course, the two busbars two 103 and the two busbars four 203 can also be integral.

[0059] Further, three busbars four 203 can be installed on the short connection plate two 202.

[0060] Embodiment 3

[0061] In the embodiment, the head end phase A and the tail end phase C are each composed of three poles, the upper connection end and the lower connection end of the head end phase A and the tail end phase C correspond to the two poles of the busbar one 101 respectively, and the busbar one 101 is connected by a short connection plate one 102 respectively, the other pole corresponds to the busbar one 101 connected with the switching plate one, at least one busbar two 103 is installed on the corresponding short connection plate one 102, and one busbar two 103 is connected with the switching plate one and the short connection plate one 102. The switching plate one (not shown in the figure) can also be a part directly extended from the corresponding part of the busbar two 103 and connected with the busbar one 101.

[0062] Embodiment 4

[0063] In the embodiment, the intermediate phase B is composed of three adjacent poles, the upper connection end and the lower connection end of the intermediate phase B correspond to the two poles of the busbar three 201 respectively, and the busbar three 201 is connected by a short connection plate two 202 respectively, the other pole corresponds to the busbar three 201 connected with the switching plate two, at least one busbar four 203 is installed on the corresponding short connection plate two 201, and one busbar four 203 is connected with the switching plate two and the short connection plate two 202. The switching plate two (not shown in the figure) can also be a part directly extended from the corresponding part of the busbar four 203 and connected with the busbar three 201.

[0064] The above embodiments are described by taking the upper connection end as an example, combined with the lower connection end, the busbar two 103 and the busbar four 203 of the upper connection end are respectively provided with at least one horizontal connection plate part one 103a and horizontal connection plate part two 203a, and the busbar two 103 and the busbar four 203 of the lower connection end are respectively provided with at least one vertical direct connection plate part one 103b and vertical direct connection plate part two 203b; or the busbar two 103 and the busbar four 203 of the upper connection end are respectively provided with at least one vertical direct connection plate part one 103b and vertical direct connection plate part two 203b, and the busbar two 103 and the busbar four 203 of the lower connection end are respectively provided with at least one horizontal connection plate part one 103a and horizontal connection plate part two 203a.

[0065] Embodiment 5

[0066] As shown in the accompanyingFigure 10 , 11, 12, 13, and the embodiment further comprises a neutral phase N located at the tail end of the other side of phase C. The head end phase A and the tail end phase C are two poles, the intermediate phase B is three poles, and all poles of the upper connection terminal of the head end phase A, the intermediate phase B and the tail end phase C and the lower connection terminal of each are short-circuited, and after short-circuiting, all poles of the upper connection terminal and the lower connection terminal of the head end phase A, the intermediate phase B and the tail end phase C form parallel connection. The neutral phase N is one pole. The upper connection terminal and the lower connection terminal of the neutral phase N are both arranged with busbar five 301, the busbar five 301 is connected with switching plate three 302, and busbar six 303 connects switching plate three 302. The busbar six 303 is provided with at least one horizontal connection plate part three 303a as shown in the accompanying drawings Figure 13 or the busbar six 303 is provided with at least one vertical connection plate part three 303b as shown in the accompanying drawings Figure 11 , and the connection plate part form of the busbar six 303 of the upper connection terminal is consistent with the connection plate part form of the busbar two 103 of the upper connection terminal, and the connection plate part form of the busbar six 303 of the lower connection terminal is consistent with the connection plate part form of the busbar two 103 of the lower connection terminal.

[0067] It should be noted that in the above embodiment, when the busbar two 103 and the busbar four 203 are respectively provided with the horizontal connection plate part one 103a and the horizontal connection plate part two 203a, as shown in the accompanying drawings Figure 14 , the busbar two 103 and / or the busbar four 203 can be a whole drawn busbar, and heat dissipation grooves m are arranged on the outer side edges of the corresponding horizontal connection plate part one 103a and the horizontal connection plate part two 203a of the busbar two 103 and the busbar four 203, which further reduces the product cost.

[0068] For example, when one phase is two poles, as shown in the accompanying drawings Figure 14 , the busbar two 103 or the busbar four 203 has two bases, and is directly connected with the busbar one 101 or the busbar three 201, that is, equivalent to the part of the switching plate one of the embodiment 3 which is directly extended from the corresponding part of the busbar two 103 to connect with the busbar one 101, and the part of the switching plate two of the embodiment 4 which is directly extended from the corresponding part of the busbar four 203 to connect with the busbar three 201.

[0069] Further, when one phase is three poles, the busbar two 103 or the busbar four 203 has three bases, and is directly connected with the busbar one 101 or the busbar three 201.

[0070] The technical features of the above embodiments can be combined arbitrarily, and in order to make the description simple, all possible combinations of the technical features in the above embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered as the scope of the present application.

[0071] The above-described embodiments are merely illustrative of several embodiments of the present application, which are described in more detail and in a specific manner, but should not be construed as limiting the scope of the patent of the present application. It should be noted that, for those of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A structure of connection of incoming and outgoing lines of a switch, comprising a first end phase (A) and a second end phase (C) on both sides of the switch, and an intermediate phase (B) located between said first end phase (A) and said second end phase (C), said first end phase (A) and said second end phase (C) comprising at least two poles respectively, said intermediate phase (B) comprising at least three poles, characterized in that: All poles of the upper and lower connection terminals of the head phase (A), the middle phase (B) and the tail phase (C) are short-circuited, and all poles of the upper and lower connection terminals of the head phase (A), the middle phase (B) and the tail phase (C) after short-circuiting form a parallel connection.

2. A line-in line-out connection structure for a switch as defined in claim 1, characterized in that: A busbar one (101) is arranged on each pole of the upper and lower connection terminals of the head phase (A) and the tail phase (C), and the upper and lower connection terminals of the head phase (A) and the tail phase (C) are connected by at least one short-circuiting plate one (102), at least one busbar two (103) is arranged on the short-circuiting plate one (102), and a busbar three (201) is arranged on each pole of the upper and lower connection terminals of the middle phase (B), and the upper and lower connection terminals of the middle phase (B) are connected by at least one short-circuiting plate two (202), and at least one busbar four (203) is arranged on the short-circuiting plate two (202).

3. A line-in line-out connection for a switch as defined in claim 2, wherein: The head phase (A) and the tail phase (C) each consist of 2 poles or 3 poles, and all busbar ones (101) of the upper and lower connection terminals of the head phase (A) and the tail phase (C) are connected by one short-circuiting plate one (102), and at least one busbar two (103) is arranged on the corresponding short-circuiting plate one (102).

4. A line-in line-out connection structure for a switch as defined in claim 2, wherein: The head phase (A) and the tail phase (C) each consist of 3 poles, and the busbar ones (101) of the corresponding two poles of the upper and lower connection terminals of the head phase (A) and the tail phase (C) are connected by one short-circuiting plate one (102), and the busbar one (101) of the other pole is connected with a switching plate one, and at least one busbar two (103) is arranged on the corresponding short-circuiting plate one (102), and one of the busbar twos (103) is connected with the switching plate one and the short-circuiting plate one (102).

5. A line-in line-out connection for a switch as defined in claim 2, wherein: The middle phase (B) consists of three adjacent poles, and all busbar threes (201) of the upper and lower connection terminals of the middle phase (B) are connected by one short-circuiting plate two (202), and at least one busbar four (203) is arranged on the corresponding short-circuiting plate two (202).

6. A line-in line-out connection for a switch as defined in claim 2, wherein: The middle phase (B) consists of three adjacent poles, and the busbar threes (201) of the corresponding two poles of the upper and lower connection terminals of the middle phase (B) are connected by one short-circuiting plate two (202), and the busbar three (201) of the other pole is connected with a switching plate two, and at least one busbar four (203) is arranged on the corresponding short-circuiting plate two (202), and one of the busbar fours (203) is connected with the switching plate two and the short-circuiting plate two (202).

7. A line-in line-out connection for a switch as defined in claim 2, wherein: The middle phase (B) consists of four adjacent poles, and the four busbar threes (201) of the upper and lower connection terminals of the middle phase (B) are divided into two groups, each group including two busbar threes (201), two short-circuiting plates two (202) are connected with the two busbar threes (201) in each group, and one of the at least one busbar four (203) is connected with the corresponding two short-circuiting plates two (202).

8. A line-in line-out connection structure for a switch as defined in claim 2, wherein: The busbar two (103) is provided with at least one horizontal terminal block part one (103a) and / or the busbar four (203) is provided with at least one horizontal terminal block part two (203a).

9. A line-in line-out connection for a switch as defined in claim 2, wherein: The busbar two (103) is provided with at least one vertical terminal block part one (103b) and / or the busbar four (203) is provided with at least one vertical terminal block part two (203b).

10. A line-in line-out connection structure for a switch as defined in claim 2, wherein: The busbar two (103) and the busbar four (203) at the upper terminal end are respectively provided with at least one horizontal terminal block part one (103a) and horizontal terminal block part two (203a), and the busbar two (103) and the busbar four (203) at the lower terminal end are both provided with at least one vertical terminal block part one (103b) and vertical terminal block part two (203b). Or: The busbar two (103) and the busbar four (203) at the upper terminal end are respectively provided with at least one vertical terminal block part one (103b) and vertical terminal block part two (203b), and the busbar two (103) and the busbar four (203) at the lower terminal end are both provided with at least one horizontal terminal block part one (103a) and horizontal terminal block part two (203a).

11. A line-in line-out connection for a switch as defined in claim 2, wherein: A neutral phase (N) is further included on the other side of the tail end phase (C), and the neutral phase (N) is composed of one pole.

12. A line-in line-out connection for a switch as defined in claim 11, wherein: The upper terminal end and the lower terminal end of the neutral phase (N) are both arranged with a busbar five (301), the busbar five (301) is connected with a switching board three (302), and a busbar six (303) is connected with the switching board three (302).

13. A line-in line-out wiring configuration for a switch as defined in claim 12, wherein: The busbar six (303) is provided with at least one horizontal terminal block part three (303a) or the busbar six (303) is provided with at least one vertical terminal block part three (303b). And: The terminal block part form of the busbar six (303) at the upper terminal end is consistent with the terminal block part form of the busbar two (103) at the upper terminal end, and the terminal block part form of the busbar six (303) at the lower terminal end is consistent with the terminal block part form of the busbar two (103) at the lower terminal end.

14. A switch in-out line connection structure as claimed in claim 8, wherein: The busbar two (103) and / or the busbar four (203) are a busbar integrally drawn and formed, and the outer side edge of the corresponding horizontal terminal block part one (103a) and horizontal terminal block part two (203a) of the busbar two (103) and the busbar four (203) is provided with a heat dissipation groove (m).

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