CN204497850U - Secondary equipment of intelligent converting station composite module and interconnecting module standardized interface arrangement - Google Patents

Abstract

The utility model relates to an interface technology between secondary equipment and a transfer module in an intelligent substation, in particular to a standardized interface device between a secondary equipment combination module and a transfer module of an intelligent substation. The protection module in the combined module is provided with an external standard interface, including an external optical port, an external electrical port and a power debugging port; the transfer module includes two sets of symmetrical interface devices. The structure of the external standard interface on the secondary equipment combination module is the same and corresponding; at the same time, the external standard interface on the front wiring secondary equipment combination module and the interface device on the transfer module are all plug-and-play interfaces. The advantages are: the "fool's connection" between the two is realized, the connection is simple and convenient, the accuracy is high, the quality is uniform, the efficiency is high, and the delivery cycle is effectively shortened.

Description

Smart substation secondary equipment combination module and transfer module standardized interface device

technical field

The utility model relates to an interface technology between secondary equipment and a transfer module in an intelligent substation, in particular to a standardized interface device between a secondary equipment combination module and a transfer module of an intelligent substation.

Background technique

With the construction and development of smart substations, a new generation of smart substations is developing in the direction of standardization and modularization. Technologies such as prefabricated cabins for secondary equipment, combined secondary equipment, front-connection and front-display devices, prefabricated cables, and prefabricated optical cables have been widely used in the construction of a new generation of smart substations, thereby maximizing factory processing and modular construction. Significantly reduces the on-site construction and commissioning cycle, and improves the construction efficiency of smart substations.

However, the modular intelligent substation seems to greatly reduce the on-site workload, but in essence it just transfers the on-site construction workload to the secondary equipment manufacturers. Secondary equipment manufacturers have changed from simply providing equipment and devices in the past to providing secondary systems for the whole station, that is, adding multiple links such as procurement, wiring and debugging on the basis of the past. Therefore, the above-mentioned construction mode has the following problems: First, this construction mode is still in the initial stage, and the interface docking needs to be completed according to the design drawings, which requires personnel to have certain professional requirements, mainly for the interface on the secondary equipment combination module There are many, but secondary equipment manufacturers are not familiar with the "new business", the accuracy of interface connection is low, and there are quality risks in the construction of substations; The amount of cooperation with the manufacturer has increased significantly, which increases the workload of both parties, and the delivery cycle becomes longer; thirdly, the wiring in the factory follows the traditional wiring mode, with various wiring types and functions, resulting in uneven wiring quality and affecting project quality. .

Contents of the invention

The purpose of the utility model is to provide a standardized interface device for secondary equipment combination modules and transfer modules of smart substations that is easy to install, high in accuracy, high in efficiency, and shortens the supply cycle according to the deficiencies of the prior art.

The stated purpose of the utility model is achieved through the following approaches:

The standardized interface device between the secondary equipment combination module and the transfer module of the smart substation includes the front wiring secondary equipment combination module and the transfer module located on the centralized wiring screen. The module is provided with an external standard interface, including an external optical port, an external electrical port and a power debugging port; the transfer module includes two sets of symmetrical interface devices, and the structure of the interface device is the same as that of the front wiring secondary equipment combination module. The structure of the external standard interface is the same and corresponding; at the same time, the external standard interface on the front wiring secondary equipment combination module and the interface device on the transfer module are all plug-and-play interfaces.

The secondary equipment combination module is firstly connected with the transfer module, and then the connection module is connected with the equipment outside the room (cabin), so as to realize the connection between the secondary equipment combination module and the equipment outside the room (cabin). In this way, the external standard interface connected to each internal module is set in the front wiring secondary equipment combination module, and the structure of the external standard interface is the same as that of the interface device on the adapter module, and corresponds. At this time, each interface , especially the external interface on the combined module, its wiring and external definitions have been solidified; when wiring, you only need to connect directly at the corresponding places of the two interfaces, no need to wire according to the drawings, and no need to connect the secondary equipment Look for the terminals on the combination module and configure the corresponding terminals, but directly adopt the unified wiring of plug and play, which realizes the "fool's wiring", greatly improves the wiring accuracy, avoids the large difference in wiring quality, and ensures the engineering quality. The quality and construction quality of the substation; and the wiring efficiency is also greatly improved, the installation is simple and fast, and the delivery cycle is effectively shortened.

The utility model can be further specifically described as:

The external standard interface is located on the front wiring panel of the protection module, and is internally connected to the interface terminals of each module.

Specifically: the external optical port is a 7-core prefabricated optical cable socket, and the internal wiring and external connection of the 1st to 7th cores are defined as follows:

1 core: internal wiring-protection device direct mining and jumping outlet, external definition-protection direct mining and jumping intelligent terminal optical outlet;

2 cores: internal wiring-protection device direct mining and jumping port receiving, external definition-protection direct mining and direct jumping intelligent terminal optical port;

3 cores: Internal wiring-protection device direct collection port, external definition-protection direct collection and merging unit light port;

4 cores: internal wiring-process layer switch optical port, external definition-smart terminal process layer networking optical port;

5 cores: internal wiring-process layer switch optical port, external definition-smart terminal process layer networking optical port;

6 cores: internal wiring-process layer switch optical port, external definition-merging unit process layer networking optical port;

7 cores: internal connection-process layer switch optical outlet, external definition-merging unit process layer networking optical outlet.

The internal connection refers to the connection between the external optical port and the interface end of the secondary equipment assembly module, and the external definition refers to the interface whose core number of the interface is designated as the external connection. In this way, the fixed standardized interface can be connected directly according to the core number, and the operation is simple and fast.

Corresponding to the external optical port of the external standard interface on the secondary equipment combination module, the adapter module has the same first optical port, which is also a 7-core prefabricated optical cable socket, and its external definition from 1-7 cores is: protection Direct mining direct jump intelligent terminal optical port, protection direct mining direct jump intelligent terminal optical port, protection direct mining merging unit optical port, intelligent terminal process layer networking optical port, intelligent terminal process layer networking optical port, merging unit Process layer networking optical outgoing port, merging unit process layer networking optical receiving port.

The above-mentioned first optical port is internally connected to the third optical port that is also located on the adapter module. The third optical port is a 24-core prefabricated optical cable socket, and the 1st to 7th cores of the first optical port are sequentially connected to the third optical The 1st-7th core of the port, and the internal wiring of the 1st-7th core of the third optical port is as follows: the intelligent terminal interval protection device directly collects and jumps the optical interface, and the intelligent terminal interval protection device directly collects and jumps the optical outlet , Merging unit interval protection device direct lighting outlet, intelligent terminal process layer networking optical outlet, intelligent terminal process layer networking optical outlet, merging unit process layer networking optical outlet, merging unit process layer networking optical outlet.

The third optical port is 24-core, it is first connected to the equipment outside the room (cabin), and the 1-7 cores at the other end are connected to the first optical port (7-core) one by one through short wires, so that the 1 optical port The function definitions of different cores are fixed, and then connected to the external optical port on the secondary combination equipment module.

The external electrical port of the external standard interface is a 9-core prefabricated cable socket, and the power debugging port is connected to the power supply to provide the secondary equipment combination module debugging power supply.

The electrical port is mainly connected to the power supply terminal, and provides power to each protection device, measurement and control device, etc., and is connected to the signal terminal of the device for alarm, blocking, and time synchronization. The power debugging port is an external power supply to provide debugging power.

In summary, the utility model has the advantage of providing a standardized interface device between the secondary equipment combination module and the transfer module of the smart substation, by setting the external standardized interface corresponding to the transfer module on the secondary equipment combination module, and Fixed the externally defined wiring of each interface, realizing the "fool's wiring" between the two. The wiring is simple and convenient, with high accuracy, uniform quality, and high efficiency, effectively shortening the delivery cycle.

Description of drawings

Figure 1 is a schematic diagram of the external standard interface structure of the front-connection secondary equipment combination module of the utility model.

Fig. 2 is a schematic structural diagram of the interface transposition on the adapter module described in the present invention.

Fig. 3 is a schematic diagram of the connection structure of the secondary equipment combination module and the transfer module standardized interface device described in the present invention.

Below in conjunction with accompanying drawing, the utility model is further elaborated.

Detailed ways

Best practice:

Overview: The combination module of the secondary equipment of the front wiring refers to a standardized module composed of protection, measurement and control, switches and other front-wiring front display devices in a certain interval. Module, bay protection II module, bay process layer A network switch and bay process layer B network switch (as shown in Figure 3); the centralized wiring screen refers to the secondary equipment room (cabin) dedicated to realize the equipment in the room (cabin) A screen cabinet for centralized wiring with equipment outside the room (cabin). The transfer module refers to the connection modules divided by intervals on the centralized wiring screen. Each centralized wiring screen includes multiple transfer modules. In Figure 3, for the convenience of illustration, only one transfer module on the centralized wiring screen is drawn. Connect the module. Below is the example that the utility model provides a concrete connection.

Referring to the accompanying drawing 1, the protection module in the combination module of the front wiring secondary equipment is provided with an external standard interface, including an external optical port A, an external electrical port B and a power debugging port C; the external standard interface is set on the interval protection device ( Refer to Figure 3).

Among them, the external optical port A is a 7-core prefabricated optical cable socket, and the external definition and internal wiring of 1-7 cores are as follows:

1 core: internal wiring-protection device direct mining and jumping outlet, external definition-protection direct mining and jumping intelligent terminal optical outlet;

2 cores: internal wiring-protection device direct mining and jumping port receiving, external definition-protection direct mining and direct jumping intelligent terminal optical port;

3 cores: Internal wiring-protection device direct collection port, external definition-protection direct collection and merging unit light port;

4 cores: internal wiring-process layer switch optical port, external definition-smart terminal process layer networking optical port;

5 cores: internal wiring-process layer switch optical port, external definition-smart terminal process layer networking optical port;

6 cores: internal wiring-process layer switch optical port, external definition-merging unit process layer networking optical port;

7 cores: internal connection-process layer switch optical outlet, external definition-merging unit process layer networking optical outlet.

The external electrical port B is a 9-core prefabricated cable socket. The external definition and internal wiring of 1-9 cores are as follows:

1 core: internal wiring - protection device, measurement and control device, switch power supply positive terminal; external definition - DC power supply positive terminal;

2 cores: internal wiring - protection device, measurement and control device, switch power supply negative terminal; external definition - DC power supply negative terminal;

3 cores: internal wiring-signal common terminal of measurement and control device; external definition-signal power common terminal;

4 cores: internal wiring-alarm signal terminal of measurement and control device; external definition-device alarm signal;

5 cores: internal wiring - alarm signal terminal of the measurement and control device; external definition - device blocking signal;

6 cores: internal wiring-protection device timing positive terminal; external definition-device timing positive terminal 1;

7 cores: internal wiring-protection device timing negative terminal; external definition-device timing negative terminal 1;

8 cores: internal wiring - timing positive terminal of measurement and control device; external definition - positive terminal 2 of device timing;

9 cores: internal wiring - negative terminal of time synchronization of the measurement and control device; external definition - negative terminal of time synchronization of the device 2.

Power debugging port C: connected to the 1 and 2 cores of the external electrical port, and can provide debugging power to the secondary equipment in the combination module through this port.

Refer to attached drawing 2: the interface device of the adapter module can be divided into upper and lower parts, and left and right columns. Device connections in the control cabinet. The two columns on the left and right of the interface are symmetrically arranged, and have the same function, and are respectively used for wiring of dual configuration equipment. The structure of each interface in the interface device is the same as and corresponds to the structure of the external standard interface on the secondary equipment combination module of the front wiring; in the double-row structure, there are two sets of interfaces with symmetrical structures on the left and right, and the left set is used as an example to describe:

The interface on the upper part of the adapter module includes optical port 1 and three rows of interfaces below the optical port 1; the first row below the optical port 1 has four ST or LC optical ports for time synchronization and backup connection; the second row is six The first is ST or LC optical port, which is used for busbar protection, direct mining, jumping and backup connection; the third line is the electrical port, that is, the electrical interface, which is used for DC power supply and backup connection. The three-row interface below optical port 2 is the same as the above same. Optical port 1 (optical port 2 is the same): a 7-core prefabricated optical cable socket, used to connect with the external optical port A on the protection device. The external definition and internal wiring of 1~7 cores are as follows:

Core 1: Internal wiring - connected to core 1 of optical port 3, external definition - protection of direct mining and direct jumping intelligent terminal optical port;

Core 2: Internal wiring - connected to optical port 3 core 2, external definition - protection of direct mining and direct jumping intelligent terminal optical port;

Core 3: Internal wiring - connected to optical port 3, core 3, external definition - protection of the optical port of the direct mining merging unit;

Core 4: Internal wiring - connected to optical port 3 and core 4, external definition - optical port for intelligent terminal process layer networking;

Core 5: Internal wiring - connected to optical port 3 core 5, external definition - intelligent terminal process layer networking optical port;

Core 6: Internal wiring - connected to optical port 3 core 6, external definition - merge unit process layer networking optical port;

Core 7: Internal wiring - connected to optical port 3 core 7, external definition - merging unit process layer networking optical port.

Optical port 3 (optical port 4 is the same): a 24-core prefabricated optical cable socket, used to connect with the intelligent terminal and merging unit equipment in the intelligent control cabinet through prefabricated optical cable plugs, and the internal wiring of 1-7 cores is as follows: : The intelligent terminal interval protection device directly collects and jumps optical outlets, the intelligent terminal interval protection device directly collects and jumps optical outlets, the merged unit interval protection device directly collects optical outlets, the intelligent terminal process layer networking optical outlets, and the intelligent terminal process layer Networking optical receiving port, merging unit process layer networking optical sending port, merging unit process layer networking optical receiving port; externally, they are connected with optical port 1 one by one through shorting wires.

Electrical port 5 (same as electrical port 6): a 4-core prefabricated cable socket, used to connect with the intelligent terminal and merging unit equipment in the intelligent control cabinet through prefabricated cable plugs.

Through the above definition and making the corresponding wiring module according to the definition, the plug-in wiring of the secondary equipment combination module and the transfer module in the factory can be realized without departing from the design drawing. Referring to the attached drawing 3, connect the optical port 1 to The external electrical port in the external standard interface on the partition protection I, and the optical port 2 is connected to the external electrical port in the external standard interface on the partition protection II.

The utility model realizes the "plug and play" wiring in the factory, reduces the requirements on the wiring process, improves the wiring quality and efficiency; Coordinated workload among equipment manufacturers.

The undescribed part of the utility model is the same as the prior art.

Claims (4)

1. The standardized interface device between the secondary equipment combination module and the transfer module of the smart substation, including the front wiring secondary equipment combination module and the transfer module located on the centralized wiring screen, is characterized in that the front wiring secondary equipment combination module The protection module is equipped with an external standard interface, including an external optical port, an external electrical port and a power debugging port; the transfer module includes two sets of symmetrical interface devices. The structure of the interface device is the same as that of the front wiring secondary equipment combination module The structure of the external standard interface on the same and corresponding; at the same time, the external standard interface on the front wiring secondary equipment combination module and the interface device on the transfer module are all plug-and-play interfaces. 2. The intelligent substation secondary equipment combination module and the transfer module standardized interface device according to claim 1, wherein the external standard interface is located on the front wiring panel of the protection module, and the interfaces of each module are internally connected end. 3. The intelligent substation secondary equipment combination module and transfer module standardized interface device according to claim 1, characterized in that the external optical port is a 7-core prefabricated optical cable socket, and the 1st-7th core's internal The wiring and external definitions are as follows: 1 core: internal wiring-protection device direct mining and jumping outlet, external definition-protection direct mining and jumping intelligent terminal optical outlet; 2 cores: internal wiring-protection device direct mining and jumping port receiving, external definition-protection direct mining and direct jumping intelligent terminal optical port; 3 cores: Internal wiring-protection device direct collection port, external definition-protection direct collection and merging unit light port; 4 cores: internal wiring-process layer switch optical port, external definition-smart terminal process layer networking optical port; 5 cores: internal wiring-process layer switch optical port, external definition-smart terminal process layer networking optical port; 6 cores: internal wiring-process layer switch optical port, external definition-merging unit process layer networking optical port; 7 cores: internal connection-process layer switch optical outlet, external definition-merging unit process layer networking optical outlet. 4. The intelligent substation secondary equipment combination module and transfer module standardized interface device according to claim 1, characterized in that the external electrical port of the external standard interface is a 9-core prefabricated cable socket, and the power debugging port is connected to the power supply , to provide the secondary equipment combination module debugging power supply.