CN116598915A - Switch board assembly connection structure and photovoltaic all-in-one - Google Patents
Switch board assembly connection structure and photovoltaic all-in-one Download PDFInfo
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- CN116598915A CN116598915A CN202310452788.9A CN202310452788A CN116598915A CN 116598915 A CN116598915 A CN 116598915A CN 202310452788 A CN202310452788 A CN 202310452788A CN 116598915 A CN116598915 A CN 116598915A
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- 238000009826 distribution Methods 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- 238000010248 power generation Methods 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/202—Cable lay-outs
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/207—Cross-bar layouts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Distribution Board (AREA)
Abstract
The application is applicable to the technical field of photovoltaic power generation, and particularly provides a power distribution cabinet assembly connection structure and a photovoltaic integrated machine, wherein the structure comprises a cabinet body, and a plurality of switch placement layers; a plastic shell switch arranged in the switch placing layer; a frame breaker mounted on the cabinet; and a first connection circuit array electrically connected with the molded case switch; the second connecting line array is arranged at the rear of the cabinet body and used for connecting the first connecting line array and the inlet end of the frame breaker; and a third connection line array connecting the frame circuit breaker outlet terminal and the external transformer. The application is connected with the plastic shell switch through the first connecting circuit array and then summarized to the second connecting circuit array at the back of the cabinet body, any circuit fault does not affect other circuits, the fault expansion is avoided, in addition, the plastic shell switch and the connecting circuit are compactly arranged to reduce the external dimension of the cabinet body, and the plastic shell switch can be integrated in a container with standard dimension, thereby being suitable for transportation in a marine mode and reducing the overall cost of projects.
Description
Technical Field
The application belongs to the technical field of photovoltaic power generation, and particularly relates to a power distribution cabinet assembly connection structure and a photovoltaic integrated machine.
Background
The existing photovoltaic all-in-one scheme generally comprises a high-voltage cabinet, a transformer and a low-voltage power distribution cabinet, which are integrated together in a container with a standard size, so that the transportation cost of maritime transportation is reduced.
The current maximum capacity of the photovoltaic integrated machine is above 9MW, 30-40 plastic shell breakers and a plurality of copper bars are required to be installed in the whole low-voltage power distribution cabinet, and the low-voltage power distribution cabinet needs to be reasonably arranged in order to be installed in a container due to the limited internal space of the container, and the overall external dimension of the low-voltage power distribution cabinet and the number and layout of internal devices of the low-voltage power distribution cabinet are required. The existing method comprises three modes, namely, normally configuring a molded case circuit breaker according to the capacity of an inverter, simultaneously strengthening the protection of a single molded case, and limiting faults in a certain area so as not to expand; although the method can avoid the expansion of faults, the arc spraying range is overlarge when the arc can not be cut off or the arc can not be cut off due to various factors such as altitude, environment and the like. Secondly, a high-level molded case circuit breaker is selected, but the total capacity of the integrated machine is reduced to adapt to the size of the container; reducing the total capacity of the photovoltaic all-in-one machine can result in an increase in the cost of the photovoltaic all-in-one machine and the overall cost of the project. Thirdly, the size of the cabinet body is increased, but the increase of the size of the cabinet body can cause the increase of the manufacturing cost, and the cabinet body is increased and then needs to be transported in a nonstandard bulk cargo transportation mode, so that the transportation cost is increased.
Disclosure of Invention
The application provides a power distribution cabinet assembly connection structure, which solves the problems that the existing photovoltaic all-in-one machine is easy to fail and the cost is increased due to unreasonable configuration of a low-voltage power distribution cabinet.
The application is realized in such a way that a power distribution cabinet assembly connection structure comprises:
the cabinet body comprises a plurality of switch placement layers;
a plastic shell switch arranged in the switch placing layer;
a frame breaker mounted on the cabinet; and
a first connection circuit array electrically connected with the molded case switch;
the second connecting line array is arranged at the rear of the cabinet body and used for connecting the first connecting line array and the inlet end of the frame breaker; and
and a third connection line array connecting the frame circuit breaker outlet terminal and the external transformer.
Further, the cabinet body comprises three switch placing layers, and plastic shell switches are arranged on the front face and the side face of each switch placing layer.
Further, the first connection line array includes a first branch array, a second branch array, and a third branch array;
the first branch array, the second branch array and the third branch array are respectively and correspondingly connected with the three-layer plastic shell switch.
Further, the first branch array comprises a plurality of first layer branch line rows connected with the plurality of plastic shell switches of the first layer in a one-to-one correspondence manner, and a first layer connecting line row connected with the first layer branch line row and the second connecting line array.
Further, the second branch array comprises a plurality of second layer branch line rows which are connected with the plurality of plastic shell switches of the second layer in a one-to-one correspondence manner, and a second layer connecting line row which is connected with the second layer branch line row and the second connecting line array.
Further, the third branch circuit array comprises a plurality of third layer branch circuit lines which are connected with the plurality of plastic shell switches of the third layer in a one-to-one correspondence manner, and a third layer connecting line row which is connected with the third layer branch circuit lines and the second connecting line array.
Further, the third branch line row and the third connecting line row are sheet metal strips.
Further, the metal strips of the plates are connected by welding, bolts, screws or rivets.
Further, the cabinet body comprises at least two side layout spaces which are arranged separately, and each layout space comprises a switch placement layer.
In a second aspect, the application further provides a photovoltaic all-in-one machine, which comprises the power distribution cabinet assembling and connecting structure.
The cabinet body is designed to comprise a plurality of switch placement layers, each switch placement layer is provided with a plastic shell switch, the plastic shell switches are connected through the first connecting line array and then summarized to the second connecting line array at the back of the cabinet body, the second connecting line array is connected with the frame circuit breaker and then connected with an external transformer through the third connecting line array, each plastic shell switch can be rapidly disconnected, the disconnection is realized through the frame circuit breaker, a certain circuit fault does not affect other circuits, the fault expansion is avoided, in addition, the plastic shell switches and the connecting lines are compactly arranged to reduce the appearance size of the cabinet body, the cabinet body can be integrated in containers of standard sizes, the cabinet is suitable for shipping mode transportation of containers of standard sizes, and the overall cost of projects is reduced.
Drawings
FIG. 1 is a schematic view of one embodiment of a power distribution cabinet assembly connection structure of the present application;
FIG. 2 is a schematic diagram of the connection lines of one embodiment of the assembled connection structure of the power distribution cabinet of the present application;
fig. 3 is a schematic structural view of a connection line of another embodiment of the assembled connection structure of the power distribution cabinet of the present application;
fig. 4 is a schematic structural view of a connection line of still another embodiment of the assembled connection structure of the power distribution cabinet of the present application.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
According to the embodiment of the application, the cabinet body is designed to comprise the switch placement layers, each switch placement layer is provided with the plastic shell switch, then the plastic shell switch is connected through the first connecting line array and then summarized to the second connecting line array behind the cabinet body, then the second connecting line array is connected with the frame circuit breaker and then connected with the external transformer through the third connecting line array, each plastic shell switch can be rapidly broken, the breaking is realized through the frame circuit breaker, a certain loop fault does not affect other loops, the fault expansion is avoided, in addition, the plastic shell switch and the connecting lines are compactly arranged to reduce the external dimension of the cabinet body, and the cabinet body can be integrated in a container with standard dimension, is suitable for shipping mode transportation of the container with standard dimension, and reduces the whole cost of a project.
Example 1
As shown in fig. 1 to 4, the present embodiment provides a power distribution cabinet assembly connection structure, including:
the cabinet 100 includes a plurality of switch placement layers;
a molded case switch 200 mounted in the switch placement layer;
a frame circuit breaker 300 mounted on the cabinet 100; and
a first connection circuit array 400 electrically connected to the molded case switch 200;
the second connection line array 500 is disposed at the rear of the cabinet 100 for connecting the first connection line array 400 and the inlet end of the frame circuit breaker 300; and
a third connection line array 600 connecting the outlet terminal of the frame circuit breaker 300 and the external transformer.
In practice, the cabinet 100 refers to the body of a low voltage power distribution cabinet in a photovoltaic all-in-one machine that can be housed in a standard sized container. Alternatively, in some embodiments, a standard size container is referred to as a 20-gauge container, and will not be described in detail herein.
Optionally, the cabinet 100 is configured to include a plurality of switch placement layers, each of which may be used to place and install a plurality of plastic shell switches 200, where in implementation, the plastic shell switches 200, i.e., plastic shell circuit breakers, are devices for overload long delay and short circuit snap. In the photovoltaic integrated machine, each path of inverter is correspondingly connected with one path of plastic shell switch 200 so as to be rapidly disconnected for protection when the corresponding path of inverter fails.
In some possible embodiments, the cabinet 100 includes three switch placement layers, which may be disposed in three layers, not limited herein, in the cabinet 100.
Alternatively, the plastic case switch 200 may be placed at the front and side of the cabinet 100 to reserve a space behind the cabinet 100 for arrangement of connection lines.
Optionally, the cabinet body 100 is provided with a frame circuit breaker 300, and the frame circuit breaker 300 is used for switching on, carrying and breaking current under normal circuit conditions, and can also be used for switching on, carrying for a certain time and breaking fault current under specified abnormal circuit conditions. The frame circuit breaker 300 connects the low voltage power distribution cabinet and the external transformer to protect the overall circuit of the photovoltaic integrated machine.
Optionally, the first connection line array 400, the second connection line array 500 and the third connection line array 600 each include a number of connection lines. Each layer is provided with a first connection circuit array 400, the first connection circuit array 400 of each layer is electrically connected with the plurality of plastic case switches 200 of the corresponding layer in a one-to-one correspondence manner, then the first connection circuit array 400 is connected with a second connection circuit array 500, the second connection circuit array 500 is connected to the inlet end of the frame circuit breaker 300, and the outlet end of the frame circuit breaker 300 is connected with an external transformer through a third connection circuit array 600.
In implementation, each of the plastic shell switches 200 corresponds to one of the inverters, when the inverter fails, the corresponding plastic shell switch 200 is disconnected, and at the moment, the failed inverter circuit is broken, so that the expansion of the failure to the main circuit of the integrated machine can be effectively avoided, and the frame circuit breaker 300 is prevented from being disconnected.
The plurality of plastic shell switches 200 and corresponding connecting lines can be compactly arranged through the plurality of switch placement layers, so that the overall dimension of the cabinet body 100 is reduced, the requirement that the low-voltage power distribution cabinet is placed in a standard-dimension container is met, the marine transportation mode of the standard-dimension container is applied, the transportation cost of the whole equipment is reduced, and the increase of the cost of the integrated machine and the total cost of projects is avoided.
According to the embodiment of the application, the cabinet body 100 is designed to comprise a plurality of switch placement layers, each switch placement layer is provided with the plastic shell switch 200, then the plastic shell switch 200 is connected through the first connecting line array 400, and then the second connecting line array 500 is summarized behind the cabinet body 100, and then the second connecting line array 500 is connected with the frame circuit breaker 300 and then is connected with an external transformer through the third connecting line array 600, each plastic shell switch 200 can be rapidly disconnected, and the disconnection is realized through the frame circuit breaker 300, a certain circuit fault does not affect other circuits, the fault expansion is avoided, in addition, the plastic shell switch 200 and the connecting line are compactly arranged to reduce the overall dimension of the cabinet body 100, the plastic shell switch can be integrated in containers of standard dimensions, the plastic shell switch is suitable for shipping mode transportation of containers of standard dimensions, and the whole cost of projects is reduced.
Example two
Further, the first connection line array 400 includes a first branch array 410, a second branch array 420, and a third branch array 430;
the first branch array 410, the second branch array 420 and the third branch array 430 are respectively connected with the three-layer molded case switch 200 correspondingly.
In implementation, for the molded case switch 200 on the three-layer switch placement layer, the first connection line array 400 is also divided into three branch arrays, and illustratively, taking the three-layer switch placement layer as an example, the three layers are respectively an upper layer, a middle layer and a lower layer, the first branch array 410 is used for being connected with the lower layer of the molded case switch 200, the second branch array 420 is used for being connected with the middle layer of the molded case switch 200, the third branch array 430 is used for being connected with the upper layer of the molded case switch 200, and the first branch array 410, the second branch array 420 and the third branch array 430 are connected with the second connection line array 500 so as to be summarized to the frame circuit breaker 300 through the second connection line array 500.
Example III
Further, the first branch array 410 includes a plurality of first layer branch line rows connected to the plurality of molded case switches 200 of the first layer in one-to-one correspondence, and a first layer connection line row connecting the first layer branch line row and the second connection line array 500.
In practice, the connection lines may be arranged in segments so that the layout of the plastic case switch 200 and the connection lines is compact and does not interfere with each other. For example, the first branch array 410 includes a first layer branch line row and a first layer connection line row.
Alternatively, taking the case that the molded case switch 200 is disposed in front of and at the side of the cabinet 100 as an example, the frame circuit breaker 300 may be disposed at an upper position of the cabinet 100.
The cabinet body 100 is divided into a first layer, a second layer and a third layer from bottom to top, wherein the plastic shell switch 200 installed in front of the first layer of the cabinet body 100 is connected with the branch line 411, the plastic shell switch 200 installed on the right side of the first layer of the cabinet body 100 is connected with the branch line 412, and the branch line 411 and the branch line 412 belong to the branch line of the first layer.
In implementation, the number of the branch rows 411 is identical to the number of the plastic case switches 200 in front of the first layer of the cabinet 100, for example, when 5 plastic case switches 200 are provided in front of the first layer of the cabinet 100, four branch rows 411 are provided, and each branch row 411 is connected to a corresponding plastic case switch 200.
It should be noted that, the foregoing arrangement of 5 plastic shell switches 200 in front of the first layer of the cabinet body 100 is an illustration of one embodiment of the present application, but not a specific limitation of the present application, in other embodiments, the number of plastic shell switches 200 may be specifically set according to actual needs, and similarly, the connection circuit may also be specifically set according to actual needs, so long as the connection with the plastic shell switches 200 is implemented to meet the circuit requirement of the photovoltaic integrated machine, and the following description is omitted herein.
The branch line 411 is connected to the horizontal line 413, the branch line 412 is connected to the horizontal line 414, and the horizontal line 413 and the horizontal line 414 belong to the first layer connection line and can be connected to the second connection line array 500.
In some embodiments, the horizontal row 413 is connected to the horizontal row 414, and the horizontal row 414 is further connected to the second connection line array 500 through the horizontal row 415 on the rear side, where the horizontal row 413, the horizontal row 414, and the horizontal row 415 all belong to the first layer connection line row.
Further, the second branch array 420 includes a plurality of second layer branch line rows connected to the plurality of plastic case switches 200 of the second layer in a one-to-one correspondence, and a second layer connection line row connecting the second layer branch line row and the second connection line array.
Optionally, the molded case switch 200 of the second layer of the cabinet body 100 is connected to the branch line 421, the branch line 421 is further connected to the horizontal line 422, and the horizontal line 422 is connected to the second connection line array 500, where the branch line 421 belongs to the second layer branch line row, and the horizontal line 422 belongs to the second layer connection line row.
In some possible embodiments, the horizontal row 422 is connected to the second connection line array 500 through the horizontal row 423 and the horizontal row 424 in sequence, wherein the horizontal row 422, the horizontal row 423, and the horizontal row 424 all belong to the second layer connection line row.
Further, the third branch array 430 includes a plurality of third layer branch line rows connected to the plurality of molded case switches 200 of the third layer in one-to-one correspondence, and a third layer connection line row connecting the third layer branch line row and the second connection line array.
Optionally, the molded case switch 200 of the third layer of the cabinet 100 is connected to the branch line 431, the branch line 431 is further connected to the horizontal line 432, and the horizontal line 432 is connected to the second connection line array 500, where the branch line 431 belongs to the third layer branch line, and the horizontal line 432 belongs to the third layer connection line.
In some possible embodiments, the second connection line array 500 is disposed at the rear of the cabinet 100, and optionally, the second connection line array 500 includes a vertical row 510 and a horizontal row 520, and the third connection line array 600 includes a stacked busbar 610 and a horizontal row 620. Wherein, the horizontal row 415, the horizontal row 424 and the horizontal row 432 are all connected with the vertical row 510, and meanwhile, the vertical row 510 is connected with the wire inlet end of the frame circuit breaker 300 through the horizontal row 520, the wire outlet end of the frame circuit breaker 300 is connected with the laminated busbar 610, the laminated busbar 610 is connected with the horizontal row 620, and the horizontal row 620 is connected with the external transformer.
Alternatively, the branch lines 411, 412, 413, 414, 415, 421, 422, 431, 432, 510, 520, 610 and 620 may be formed of sheet metal strips connected by welding, bolts, screws or rivets. Optionally, the sheet metal strip is preferably a copper bar, which has a certain structural strength and rigidity, and is not easy to bend, so as to ensure the relative positions of the connecting lines without mutual interference.
Alternatively, the cabinet 100 may be separately provided to include at least two side layout spaces, each including a switch placement layer.
In implementation, taking the case 100 as an example, the case 100 is divided into a layout space on the left side and a layout space on the right side, where each plastic shell switch 200 and a connection circuit in the layout space on the right side of the case 100 are as described above, and are not described herein in detail.
The plastic case switch 200 installed at the left side of the front of the first layer of the cabinet 100 is connected with the branch line 4111, the plastic case switch 200 installed at the left side of the first layer of the cabinet 100 is connected with the branch line 4121, and the branch line 4111 and the branch line 4121 belong to the branch line of the first layer.
Branch row 4111 is connected to horizontal row 4131, branch row 4121 is connected to horizontal row 4141, and horizontal row 4131 and horizontal row 4141 are both first-layer connection line rows and can be connected to second connection line array 500.
In some embodiments, the horizontal row 4131 is connected to the horizontal row 4141, the horizontal row 4141 is also connected to the second connection line array 500 through the horizontal row 4151 on the rear side, and the horizontal row 4131, the horizontal row 4141, and the horizontal row 4151 all belong to the first layer connection line row.
Optionally, the molded case switch 200 on the left side of the second layer of the cabinet body 100 is connected to the branch line 4211, the branch line 4211 is further connected to the horizontal line 4221, and the horizontal line 4221 is connected to the second connection line array 500, where the branch line 4211 belongs to the second layer of branch line lines, and the horizontal line 4221 belongs to the second layer of connection line lines.
In some possible embodiments, the horizontal row 4221 is connected to the second connection line array 500 sequentially through the horizontal row 4231 and the horizontal row 4241, wherein the horizontal row 4221, the horizontal row 4231 and the horizontal row 4241 all belong to the second layer connection line row.
Optionally, the molded case switch 200 on the left side of the third layer of the cabinet body 100 is connected to the branch line 4311, the branch line 4311 is further connected to the horizontal line 4321, and the horizontal line 4321 is connected to the second connection line array 500, where the branch line 4311 belongs to the third layer branch line, and the horizontal line 4321 belongs to the third layer connection line.
In some possible embodiments, the second connection line array 500 further includes a vertical row 5101 and a horizontal row 5201, and the third connection line array 600 includes a stacked busbar 6101 and a horizontal row 6201. Wherein, horizontal row 4151, horizontal row 4241 and horizontal row 4321 are all connected with vertical row 5101, and vertical row 5101 is connected with the inlet wire end of frame circuit breaker 3001 through horizontal row 5201, and the outlet wire end of frame circuit breaker 3001 is connected with laminated busbar 6101, laminated busbar 6101 is connected with horizontal row 6201, and horizontal row 6201 is connected with external transformer.
In implementation, the plastic case switch 200 is divided into three layers of upper, middle and lower layers in the cabinet 100, and the copper bars are also three layers, and are connected to the corresponding frame circuit breakers after summarized behind the cabinet 100, so that the plastic case switch 200 and the copper bars are compactly arranged, and the external dimension of the cabinet is reduced.
Example IV
In some alternative embodiments, the application further provides a photovoltaic all-in-one machine, which comprises the power distribution cabinet assembly connection structure.
It will be clear to those skilled in the art that, for convenience and indirection of the description, the structure and implementation principle of the photovoltaic integrated machine described above may refer to the corresponding structure and implementation principle in the first to third embodiments, and are not repeated herein.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.
Claims (10)
1. Switch board assembly connection structure, its characterized in that includes:
the cabinet body comprises a plurality of switch placement layers;
a molded case switch mounted in the switch placement layer;
a frame circuit breaker mounted on the cabinet; and
a first connection circuit array electrically connected with the molded case switch;
the second connecting line array is arranged at the rear of the cabinet body and used for connecting the first connecting line array and the frame circuit breaker wire inlet end; and
and a third connection line array connecting the outlet end of the frame circuit breaker and the external transformer.
2. The power distribution cabinet assembly connection structure of claim 1, wherein the cabinet body comprises three switch placement layers, and the plastic shell switches are arranged on the front and the side of each switch placement layer.
3. The electrical distribution cabinet mounting connection structure of claim 2, wherein the first connection circuit array comprises a first branch array, a second branch array, and a third branch array;
the first branch array, the second branch array and the third branch array are respectively and correspondingly connected with the three layers of molded case switches.
4. A power distribution cabinet assembly connection structure according to claim 3, wherein the first branch array includes a plurality of first layer branch line rows connected in one-to-one correspondence with the plurality of molded case switches of the first layer, and a first layer connection line row connecting the first layer branch line row and the second connection line array.
5. A power distribution cabinet assembly connection structure according to claim 3, wherein the second branch array includes a plurality of second layer branch line rows connected in one-to-one correspondence with the plurality of molded case switches of the second layer, and a second layer connection line row connecting the second layer branch line rows and the second connection line array.
6. The power distribution cabinet assembling and connecting structure according to any one of claims 3 to 5, wherein the third branch array includes a plurality of third branch line rows connected in one-to-one correspondence with the plurality of molded case switches of a third layer, and a third layer connecting line row connecting the third branch line row and the second connecting line array.
7. The power distribution cabinet assembly connection structure of claim 6, wherein the third branch line row and the third layer connection line row are sheet metal strips.
8. The power distribution cabinet assembly connection structure according to claim 7, wherein the sheet metal strips are connected by welding, bolts, screws or rivets.
9. A power distribution cabinet assembly connection structure according to claim 1 or 2, wherein the cabinet body includes at least two side layout spaces separately provided, each of the layout spaces including the switch placement layer.
10. A photovoltaic all-in-one machine, characterized by comprising a power distribution cabinet assembly connection structure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310452788.9A CN116598915A (en) | 2023-04-24 | 2023-04-24 | Switch board assembly connection structure and photovoltaic all-in-one |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310452788.9A CN116598915A (en) | 2023-04-24 | 2023-04-24 | Switch board assembly connection structure and photovoltaic all-in-one |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116598915A true CN116598915A (en) | 2023-08-15 |
Family
ID=87605414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310452788.9A Pending CN116598915A (en) | 2023-04-24 | 2023-04-24 | Switch board assembly connection structure and photovoltaic all-in-one |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116598915A (en) |
-
2023
- 2023-04-24 CN CN202310452788.9A patent/CN116598915A/en active Pending
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