Primary wiring structure and double-sided electrical cabinet

Abstract

The utility model relates to the technical field of power transmission, in particular to a primary wiring structure and a double-sided electrical cabinet, which comprise a bus, a primary wiring structure, a secondary wiring structure and a secondary wiring structure, the branch module comprises N groups of sub-circuits connected with the bus respectively, and N is a natural number greater than or equal to 2; the maximum number of the modules on the sub-line is M, and the sum of the load currents corresponding to all the modules meets the following relation: Ii is the current of the ith load. The beneficial effects of the utility model are that through the arrangement of the bus and the branch modules, the number of connectable loads is greatly increased on the premise that the maximum bearing capacity of the bus is not exceeded, and the power distribution efficiency is effectively improved. Besides, due to the introduction of the branch module, ordered grouping management is provided for different loads, the possibility of misoperation is greatly reduced, and the operation convenience and safety of the system are enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to power transmission technical field, especially a primary wiring structure and double -faced electrical cabinet. BACKGROUND

[0002] The large-capacity fast low-voltage switch cabinet is an electrical equipment designed to handle a large amount of power load and can quickly perform switching operation. It usually contains tap bus device, adapter, circuit breaker and other key components, which work together to achieve efficient power distribution and management.

[0003] But the existing switch cabinet cannot connect more loads due to the limitation of internal space; at the same time, it will also lead to mixed load wiring, easy to operate, and cause safety accidents. Therefore, we design a primary wiring structure and double-sided electrical cabinet, which can connect loads on both sides of the switch cabinet, so as to accommodate more loads. SUMMARY

[0004] The purpose of this section is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplification or omission may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplification or omission cannot be used to limit the scope of the utility model.

[0005] In view of the above or the existing problem that the existing switch cabinet can only connect limited loads in the prior art, the utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a primary wiring structure.

[0007] To solve the above technical problems, the utility model provides the following technical scheme: a primary wiring structure, comprising a bus, the maximum current that can be carried is I; branch module, including N groups of sub-circuit connected with bus respectively, wherein N is a natural number greater than or equal to 2; The total number of modules on the sub-circuit is maximum M, and the sum of the load current corresponding to each module satisfies the following relationship:

[0008]

[0009] Wherein, I i The current of the i th load.

[0010] As a preferred scheme of the primary wiring structure of the utility model, wherein: K modular adapters are arranged on the sub-circuit, and the number of loads corresponding to each modular adapter is L, wherein K and L are both natural numbers greater than or equal to 1, and satisfy the following relationship:

[0011]

[0012] L i is the number of loads corresponding to the i th modular adapter.

[0013] As a preferred scheme of the utility model primary wiring structure, wherein: the load interface of different sub-circuit forms straight line and does not coincide with each other.

[0014] As a preferred scheme of the utility model primary wiring structure, wherein: the third circuit breaker is arranged between the sub-circuit and each modular adapter.

[0015] As a preferred scheme of the utility model primary wiring structure, wherein: the first circuit breaker is arranged between the incoming line end of the bus and the sub-circuit, and the LED lamp is connected to each phase of the bus through the second circuit breaker.

[0016] As a preferred scheme of the utility model primary wiring structure, wherein: the current transformer is arranged on each phase of the bus, and the current transformer is electrically connected with the multi-circuit multifunctional electric meter.

[0017] As a preferred scheme of the utility model primary wiring structure, wherein: the multi-circuit multifunctional electric meter communicates with the FMCS through the TCP / IP communication protocol.

[0018] The utility model discloses the beneficial effects: the utility model discloses the bus and branch module are set up, realize under the premise of not exceeding the maximum carrying capacity of bus, greatly increase the number of connectable loads, effectively improve the efficiency of power distribution.In addition, the introduction of branch module provides orderly grouping management for different loads, greatly reduces the possibility of operation failure, thereby enhancing the operation convenience and safety of system.

[0019] In view of in actual use process, there is still how to accommodate more loads under the condition of limited internal space of switch cabinet.

[0020] To solve the above technical problems, the utility model also provides the following technical scheme: a double-sided electrical cabinet includes a primary wiring structure, and a cabinet module, which includes a main incoming line room accommodating a bus, a feeder room accommodating a branch module on one side of the main incoming line room, and an outgoing cable room on the other side of the feeder room.

[0021] As a preferred scheme of the utility model double-sided electrical cabinet, wherein: the feeder room includes a first outgoing feeder room and a second outgoing feeder room located on different sides.

[0022] As a preferred scheme of the utility model double-sided electrical cabinet, wherein: two groups of sub-circuits are respectively arranged in the first outgoing feeder room and the second outgoing feeder room.

[0023] The utility model discloses beneficial effect: the utility model introduces the double -sided cabinet design, realized the breakthrough that can connect load at the both sides of cabinet body, this design not only makes the load capacity of connection double, more through the distribution of different load to the both sides of cabinet body, the risk of operation mistake has been reduced significantly. The use of double -sided cabinet not only improves the space utilization, and through the optimization of load distribution, the stability and security of system are enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced the drawing needed to be used in the embodiment description, obviously, the drawing in the following description is only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings. Wherein:

[0025] Figure 1 It is the wiring diagram of the utility model.

[0026] Figure 2 It is the structure diagram of another embodiment of the cabinet body assembly in the utility model.

[0027] Figure 3 It is the front view of the cabinet body assembly in the utility model.

[0028] Figure 4 It is the back view of the cabinet body assembly in the utility model. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the following will be the specific embodiment of the utility model detailed description with the drawing of the specification.

[0030] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented by other ways different from the description herein, and the person skilled in the art can make similar generalization without violating the connotation of the utility model, therefore the utility model is not limited by the following disclosed specific embodiments.

[0031] Secondly, the "one embodiment" or "embodiment" referred to here means that the specific features, structures or characteristics can be contained in at least one implementation of the utility model. In this specification, "in one embodiment" does not mean the same embodiment, nor is it a separate or alternative embodiment that excludes other embodiments.

[0032] Embodiment 1

[0033] Reference Figure 1For the first embodiment of the utility model, this embodiment provides a one-time wiring structure, can realize under the maximum carrying capacity of busbar, connect more load effect, it includes busbar 100 and branch module 200, set up busbar 100 and branch module 200, can connect more load under the premise of not exceeding the maximum carrying capacity of busbar 100;Busbar 100 is used for carrying high current, ensures the stability and reliability in the transmission process of electric power, and transmits electric power from power supply to each branch of branch module 200. The busbar 100 is a copper busbar with good conductivity, and the size of the busbar 100 is 4*10*100.

[0034] Specifically, busbar 100, the total incoming line current is distributed to branch module 200, and the maximum current that can be carried is I;The busbar 100 is the core of power distribution, and the busbar 100 can carry the maximum current I, ensuring efficient transmission of electric power.

[0035] Further, branch module 200 includes N groups of sub-circuits 201 connected with busbar 100 respectively, wherein N is a natural number greater than or equal to 2;Branch module 200 is provided with at least two groups of sub-circuits 201, which can realize multi-way distribution of electric power and connect more loads. The sum of currents on all sub-circuits 201 is equal to the current value on the busbar 100.

[0036] Preferably, the total number of modules on the sub-circuit 201 is at most M, wherein N is a natural number greater than or equal to 1, and the sum of load currents corresponding to each module on the sub-circuit 201 satisfies the following relationship:

[0037]

[0038] Wherein, I i The current of the i-th load. The sub-circuit 201 is also provided with a plurality of interfaces, which can connect a plurality of loads, and the current of each module on the sub-circuit 201 is not the same, and the sum of currents of all modules on each group of sub-circuits 201 should be less than or equal to 1 / N. The current on each group of sub-circuits 201 is the same, and the sum of currents on all sub-circuits is equal to I.

[0039] Working principle: through the cooperative work of busbar 100 and branch module 200, it realizes efficient connection and distribution of electric power to more loads under the premise of not exceeding the maximum carrying capacity I of busbar. The busbar 100 is the main trunk of power transmission, ensuring the stability and reliability of the current. Branch module 200 contains at least two groups of sub-circuits 201, each group of sub-circuit is connected with busbar 100, realizing multi-way distribution of electric power. The sub-circuit 201 is equipped with a modular adapter, and the total number of modules does not exceed M, and each module corresponds to a load current I i, the sum of the currents of all modules does not exceed 1 / N of the busbar current. The balance of current distribution is maintained. Through the well-designed interface, the sub-line 201 can connect and supply multiple loads, ensuring the efficient operation of the entire system and stable power supply of the load.

[0040] In summary, by setting the busbar 100, high current can be carried, ensuring the stability and reliability of power transmission, and the branch module 200 contains multiple groups of sub-lines 201, allowing the utility model to flexibly increase or decrease loads according to demand, realizing multi-way distribution of power.

[0041] Embodiment 2

[0042] Reference Figure 2 For the second embodiment of the utility model, unlike the previous embodiment, it further includes a branch module 200, which includes N groups of sub-lines 201 connected with the busbar 100, wherein N is a natural number greater than or equal to 2. The straight lines formed by the load interfaces of different sub-lines 201 do not coincide with each other.

[0043] In the utility model, the branch module 200 can be divided into 4 groups of sub-lines 201, and each group of sub-lines 201 can be arranged in different height cabinets on the same side of the switch cabinet; by arranging the sub-lines 201 in different heights, the vertical space of the switch cabinet can be more effectively utilized, so that more load connection points can be accommodated in a limited space. With the growth of power demand, new sub-lines 201 can be easily added to the existing structure to adapt to the changing power demand without the need for large-scale modification of the existing switch cabinet. The modular design can connect different loads in different cabinets, which can quickly locate and maintain a specific sub-line 201 without affecting other parts, reducing system downtime during maintenance and troubleshooting. The number of sub-lines 201 can be determined according to the space of the switch cabinet.

[0044] Working principle: the busbar 100 serves as the main power distribution channel, carrying high current from the power source. The busbar 100 distributes the current to each sub-line 201 for providing power to the loads on the sub-line 201. The sub-line 201 is arranged in different height cabinets on the same side of the switch cabinet, and each group of sub-lines 201 is distributed to different switch cabinets, and a plurality of interfaces are provided for connecting loads.

[0045] In summary, the sub-lines 201 are distributed at different heights, so that the operator can more easily identify and operate each load, reducing the risk of misoperation. At the same time, this layout also facilitates maintenance and troubleshooting, as each sub-line 201 can be operated independently of other lines.

[0046] Embodiment 3

[0047] Reference Figure 1For the third embodiment of the utility model, different from the previous embodiment, it further comprises K analog adapters arranged on the sub-circuit 201, and the number of loads corresponding to each analog adapter is L, wherein K and L are both natural numbers greater than or equal to 1, and satisfy the following relationship:

[0048]

[0049] Wherein, L i In the utility model, the branch module 200 is provided with four groups of sub-circuits 201, and six analog adapters are arranged on each sub-circuit 201. The analog adapters are used for connecting and managing loads, and each analog adapter can correspond to one or more loads. The current on the bus 100 is evenly distributed to the four groups of sub-circuits 201, and then the current on the sub-circuit 201 is distributed to the loads on the sub-circuit 201. The current of each module of the sub-circuit 201 is not the same. The grouping management of the sub-circuit 201 helps to clearly distinguish and control different loads, avoids the confusion of load wiring, reduces the possibility of operation errors, and improves the safety and reliability of the system.

[0050] Further, the third circuit breaker 201a is arranged between the sub-circuit 201 and each analog adapter. The third circuit breaker 201a is used as a switch and protection device in the circuit, and the third short circuit 201a is a three-level circuit breaker used for protection and control of three-phase circuit.

[0051] Working principle: the branch module 200 is designed as multiple sub-circuits 201, each sub-circuit 201 is provided with multiple modules, and the grouping design can group different loads and connect them on different sub-circuits 201. The corresponding loads can be independently controlled during operation, so that the power distribution is more flexible and efficient, which helps to realize the grouping management of loads, avoids the confusion of load wiring, and is more convenient for maintenance and troubleshooting. It can quickly locate the corresponding adapter for maintenance or replacement, without affecting the normal operation of other loads, which can also reduce operation errors and reduce downtime.

[0052] In summary: the clear grouping and modular design reduces the risk of errors of the operator during power distribution, improves the accuracy of operation, and improves the reliability and stability of the entire power system by independently controlling and maintaining each sub-circuit 201. The block design makes the system more flexible when it needs to be expanded or upgraded, and new sub-circuits 201 or modules can be easily added to meet the changing power demand.

[0053] Embodiment 4

[0054] Reference Figure 1For the fourth embodiment of the present utility model, unlike the previous embodiment, it further includes a first circuit breaker 101 arranged between the incoming line end of the busbar 100 and the sub-circuit 201, and each phase of the busbar 100 is connected to an LED lamp 104 through a second circuit breaker 103. The first circuit breaker 101 is a three-level circuit breaker, the model of the first circuit breaker 101 is MT40 H13P D / OMIC 5.0, and the rated current capacity of the first circuit breaker 101 is 4000A, which can reach a maximum of 7600A.

[0055] The first circuit breaker 101 is arranged between the incoming line end of the busbar 100 and the sub-circuit 201, which can provide primary protection for the entire power distribution system. The first circuit breaker 101 can automatically disconnect the circuit when the current exceeds the safety threshold, preventing damage caused by overload and short circuit, thereby protecting subsequent power equipment and lines. The LED lamp 104 is used to indicate the status of the busbar phase, such as power on, power off or fault, etc., which facilitates the operator to intuitively connect the status of the busbar phase, and is convenient for monitoring and fault diagnosis.

[0056] Working principle: The first circuit breaker 101 is installed between the incoming line end of the busbar 100 and the sub-circuit 201, and its main function is to automatically disconnect the circuit when the current abnormally rises, preventing overload and short circuit, thereby protecting the sub-circuit and connected loads. At the same time, each phase of the busbar 100 is connected to the LED lamp 104 through the second circuit breaker 103. The second circuit breaker 103 provides protection for the LED lamp, preventing overload or short circuit, while also allowing individual control and maintenance of the LED lamp. The LED lamp 104 is used to indicate the status of the busbar phase, such as power on or power off, providing intuitive feedback of the operating status to the operator.

[0057] In summary: By setting the first circuit breaker 101 and the second circuit breaker 103, and the LED lamp 104, the safety, reliability and maintenance convenience of the power distribution system are improved. Through these designs, the system can more effectively manage power distribution, reduce downtime, and improve overall operating efficiency.

[0058] Embodiment 5

[0059] Reference Figure 1The fifth embodiment of the utility model differs from the previous embodiment in that it further comprises a current transformer 102 arranged on each phase of the busbar 100, and the current transformer 102 is electrically connected with the multi-circuit multifunctional electric meter. The current transformer 102 is arranged on each phase of the busbar 100, and is used for measuring the current passing through the busbar. The current transformer 102 converts the large current on the primary side into small current on the secondary side through the principle of electromagnetic induction, and the primary side of the current transformer 102 is connected with the busbar, and the secondary side is connected with the multi-circuit multifunctional electric meter, so as to facilitate measurement and protection. This conversion is not only conducive to accurate measurement of the current, but also provides electrical isolation and enhances the safety of the system. The model of the power transformer 102 is AKH-0.66-K-160*80, which can convert a current of 4000A into an output of 5A.

[0060] Specifically, the multi-circuit multifunctional electric meter communicates with the FMCS through the TCP / IP communication protocol. The multi-circuit multifunctional meter communicates with the plant management system (FMCS) through the TCP / IP communication protocol. The TCP / IP protocol is a standardized network communication protocol that allows the electric meter to transmit the collected current data to the FMCS. The FMCS, as a central monitoring system, can analyze these data in real time, realize remote monitoring, automatic control and preventive maintenance, thereby improving the operation efficiency and reliability of the power system.

[0061] Working principle: The current transformer 102 installed on each phase of the busbar 100 is responsible for converting the current information on the busbar into a measurable signal, and converts high current into low current through the principle of electromagnetic induction, while realizing electrical isolation. The converted current signal is transmitted to the multi-circuit multifunctional electric meter, which can monitor and record the current data from the current transformer 102 and transmit the record to the FMCS.

[0062] In summary: Through the cooperative work of the current transformer 102, the multi-circuit multifunctional electric meter and the FMCS, accurate measurement, real-time monitoring and effective management of the current are realized.

[0063] Embodiment 6

[0064] Reference Figure 3 , 4The sixth embodiment of the utility model differs from the previous embodiment in that it provides a double-sided electrical cabinet, which solves the problem of how to connect more loads in the existing switch cabinet space. It comprises a cabinet body module 300, including a main incoming line room 301 accommodating a busbar 100, a feeder line room 302 provided on one side of the main incoming line room 301 and accommodating a branch module 200, and an outgoing cable room 303 provided on the other side of the feeder line room 302. The main incoming line room 301 is responsible for receiving the main current from the power supply, the feeder line room 302 is used to accommodate the branch module 200, and the outgoing cable room 303 is used to accommodate the outgoing cable.

[0065] Specifically, the feeder line room 302 includes a first outgoing feeder line room 302a and a second outgoing feeder line room 302b located on different sides. The feeder line room 302 is further subdivided into two outgoing feeder line rooms on different sides, namely the first outgoing feeder line room 302a and the second outgoing feeder line room 302b. Such a design allows loads to be connected on both sides of the cabinet body, thereby achieving a doubling of the number of loads connected compared to existing switch cabinets.

[0066] Further, two groups of sub-lines 201 are provided in the first outgoing feeder line room 302a and the second outgoing feeder line room 302b, respectively. In the utility model, the first outgoing feeder line room 302a and the second outgoing feeder line room 302b are provided on the front and rear sides of the switch cabinet, respectively, and each is provided with two groups of sub-lines 201. Through the double-sided design, the space of the switch cabinet is effectively utilized, allowing more loads to be connected in the existing space, while also grouping the lines, reducing the risk of operator error when performing power distribution, and improving the accuracy of operation.

[0067] Working principle: The electrical cabinet achieves the ability to connect more loads in a limited space through its double-sided design. The main incoming line room 301 receives and accommodates the main current, while the feeder line room 302 is distributed on both sides of the main incoming line room and accommodates the branch module 200. The feeder line room 302 is further subdivided into a first outgoing feeder line room 302a and a second outgoing feeder line room 302b, each of which is provided with two groups of sub-lines 201, and each group of sub-lines is equipped with a modular adapter for connecting and managing its respective load.

[0068] In summary, through the design of the double-sided electrical cabinet, the space of the electrical cabinet is maximized, the load connection is doubled, the loads on both sides of the cabinet body are independently connected and controlled, the flexibility of the system is improved, the likelihood of operational errors is reduced, and the safety is enhanced.

[0069] It is important to note that the construction and arrangement of the application shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review the present disclosure will readily appreciate that many modifications can be made to the embodiments without departing from the spirit and scope of the application as described in the claims. For example, the order in which steps are performed can be changed, or other steps can be added, omitted, or modified. Accordingly, all such modifications are intended to be included within the scope of the present application. The application is meant to encompass all techniques and structures that are the same as or similar to those described in this disclosure, and alternatives and modifications that are apparent to those skilled in the art are intended to be encompassed by the present claims. The claims should not be limited to the embodiments set forth in the specific written description and the drawings, but can include any other embodiments that fall within the scope of the present application as defined by the claims.

[0070] Furthermore, in order to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described.

[0071] It is understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions can be made. Such development efforts can inevitably lead to modifications, not all of which can be foreseen at the time a patent application is filed. Such modifications are reserved, to the extent possible, by the following claims, the scope of which should be accorded with the principles and novel teachings disclosed in this patent document.

[0072] It should be noted that the above examples are intended to be illustrative only and not limiting of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those with ordinary skill in the art should understand that they could make modifications to the technical solutions of the present application without departing from the spirit and scope of the present application, and all such modifications should be encompassed within the scope of the claims of the present application.

Claims

1. A primary wiring structure, characterized by: The utility model relates to a kind of modularized power distribution system, including, Busbar (100) distributes total incoming line current to branch module (200), Branch module (200) includes N groups of sub-circuit (201) connected with busbar (100) respectively, wherein N is natural number greater than or equal to 2;The total number of modules on the sub-circuit (201) is maximum M, wherein N is natural number greater than or equal to 1; K modular adapters are arranged on the sub-circuit (201), and the number of loads corresponding to each modular adapter is L, wherein K and L are both natural number greater than or equal to 1; Wherein, the sum of the number of loads corresponding to each modular adapter is equal to the total number of modules M on the sub-circuit (201).

2. The primary wiring structure of claim 1, wherein: The straight lines formed by the load interfaces of different sub-circuits (201) do not coincide with each other.

3. A primary wiring structure according to claim 1 or 2, characterised in that: Third circuit breaker (201a) is arranged between the sub-circuit (201) and each modular adapter.

4. The primary wiring structure of claim 3, wherein: First circuit breaker (101) is arranged between the incoming line end of busbar (100) and sub-circuit (201), and second circuit breaker (103) is connected to LED lamp (104) on each phase of busbar (100).

5. The primary wiring structure of claim 4, wherein: Current transformer (102) is arranged on each phase of busbar (100), and current transformer (102) is electrically connected to multi-circuit multifunctional meter.

6. The primary wiring structure of claim 5, wherein: The multi-circuit multifunctional meter communicates with FMCS through TCP / IP communication protocol.

7. A double-sided electrical cabinet, characterized by: The utility model relates to a kind of modularized power distribution system, and, Cabinet module (300) includes main incoming line room (301) containing busbar (100), feeder room (302) containing branch module (200) and arranged in main incoming line room (301) one side, and outgoing cable room (303) arranged in feeder room (302) other side.

8. The double-sided electrical cabinet of claim 7, wherein: The feeder room (302) includes first feeder room (302a) and second feeder room (302b) located on different sides.

9. The double-sided electrical cabinet of claim 8, wherein: Two groups of sub-circuits (201) are respectively arranged in first feeder room (302a) and second feeder room (302b).

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