阅读说明：本技术 包含无人操作和维护的开关装置或控制装置的变电站 (Substation comprising unmanned and maintained switchgear or control device ) 是由 T.科策尔 T.施密特兴 M.斯蒂芬卡 于 2018-06-28 设计创作，主要内容包括：本发明涉及一种包含无人操作和维护的开关装置或控制装置的变电站。为了以自动化的方式进行这种变电站的操作和/或维护,以及就在进一步需要操作人员的情况下,提高操作人员的安全性,本发明在于,通过自动操作的内门将内室相对于外壳体锁定,实现机器人系统,使得机器人系统的作用区域从内室中延伸出,部分地在内室外的区域中,但在外壳体内,其中备件存储在备件移交区域中以用于维护。(The present invention relates to a substation comprising unmanned and maintenance switchgear or control devices. In order to carry out the operation and/or maintenance of such substations in an automated manner and to increase the safety of the operating personnel in the event of further need thereof, the invention consists in that the interior is locked with respect to the outer housing by means of an automatically operated interior door, the robot system being realized such that the region of action of the robot system extends from the interior, partly in the region outside the interior, but within the outer housing, with spare parts stored in the spare part handing-over region for maintenance.)

1. A substation comprising unmanned operating and maintenance switchgear or control devices, in particular at least one low voltage switchgear or control device, wherein an inner compartment in which the switchgear or control device is located is hermetically closed by an outer housing,

it is characterized in that the preparation method is characterized in that,

the inner compartment (22) is locked with respect to the outer housing (23) by an automatically operated inner door (50), realizing a robot system (21) such that the active area of the robot system extends from the inner compartment, partly in the area outside the inner compartment, but within the outer housing, with spare parts stored in a spare part hand-over area (54) for maintenance.

2. A substation according to claim 1, wherein the substation is provided with a transformer,

it is characterized in that the preparation method is characterized in that,

an operator presence sensor is implemented in the interior of the outer housing such that if current carrying components in an interior of the interior in which the switching or control device is located are energized, a locking device at a door of the interior automatically locks the door, wherein only the robotic system is allowed to operate within the interior.

3. A substation according to claim 1 or claim 2,

it is characterized in that the preparation method is characterized in that,

the interior chamber is also a compartment that can be hermetically closed.

4. Method for operating a substation comprising unmanned and maintenance switchgear or control devices, in particular at least one low-voltage switchgear or control device, wherein an interior compartment in which the switchgear or control device is located is hermetically closed by an outer housing,

it is characterized in that the preparation method is characterized in that,

the inner compartment is locked with respect to the outer housing by an automatically operated inner door, and the locking and unlocking of the door is logically controlled by evaluating the automatic sensing of the presence of an operator and the energy status on the current-carrying components and/or bus bars of the switchgear,

and implementing the robotic system such that an active area of the robotic system extends from the interior chamber, partially in an area outside the interior chamber, but within the enclosure, with spare parts stored in a spare part handoff area for maintenance.

5. The method of claim 4, wherein the first and second light sources are selected from the group consisting of,

it is characterized in that the preparation method is characterized in that,

for maintenance or repair of the robot, a region (54) located outside the inner chamber and within the outer housing is predefined as repair and maintenance region, wherein access by an operator is allowed if the inner chamber is locked by the door of the inner chamber in the event of the switching or control device of the inner chamber being energized.

Technical Field

The present invention relates to a substation comprising unmanned and maintenance switchgear or control devices, in particular at least on low-voltage switchgear, according to the preamble of claims 1 and 4.

Background

An unmanned and maintenance switching or control device excludes the operator from the operation and maintenance process of the switching or control device (as we know today).

Up to now, such systems have been automated, but when the main circuit is energized, the entry of the operator has to be restricted.

Object of the Invention

The aim of the invention is to carry out the operation and/or maintenance of such a substation in an automated manner and to increase the safety of the operator in the event of further need for the operator.

Disclosure of Invention

First, the substation is automatically operated. For this purpose, the robot system is used for operation in an operating room, in which switching or control devices, in particular at least one low-voltage switching or control device, are located and which is implemented in an outer housing.

Thus, a further number of sensor devices located in the area between the inner chamber of the inner housing and the outer housing and/or at the door of the outer housing can detect the entry of an operator.

Another important subsequent feature of the present invention is that if the interior compartment is automatically restricted by the locking of the interior door when the current carrying component is energized, no additional compartment is required for the switching or control device.

A robotic system of unmanned and maintenance switchgear or control devices, in particular low voltage switchgear or control devices, will require maintenance and procurement of parts. When the main circuit is powered on, personnel in the shell of the switch device or the control device cannot enter the robot system.

However, by adding a robot system to the inner space or inner room of the switchgear or the control device, a new complex system is introduced into the switchgear or the control device, and the system itself needs maintenance. Another desire is that the robotic system has access to spare parts for switchgear or control maintenance. Even if the frequency of human-machine interaction with the switchgear or control device would be much lower compared to current practice, an unmanned and maintenance operator safety interlock for the switchgear or control device must be defined.

In another embodiment, the robot system is provided with a tool changing system which can be used for changing/switching between various tools for maintenance and repair activities, in particular for detaching or attaching and/or changing switching devices or control device members, such as e.g. extractable modules and/or module members, connectors, etc., in an at least partially automated manner.

Exemplary tools may be, for example, a clamp and/or a screwdriver.

Further, a tool storage device may be provided to store and provide various tools for a tool change system of a robotic system or manipulator.

In a further advantageous embodiment, an operator presence sensor is implemented in the chamber of the outer housing, such that if the current-carrying components in the inner chamber in which the switching device or the control device is located are energized, the locking means at the door of the inner chamber automatically locks the door, wherein only the robot system is allowed to operate in the inner chamber.

In a further advantageous embodiment, the inner chamber is also a compartment which can be closed in a gas-tight manner.

In this way, it is possible that such a switchgear per se does not require a further enclosure within this inner compartment of the substation, since the switchgear prevents access by an operator through a locked door in case the current carrying parts are energized.

According to a method of operating such a substation,

the inner compartment is locked with respect to the outer casing by an automatically operated inner door, and the locking and unlocking of the door is logically controlled by evaluating the automatic sensing of the presence of an operator and the energy status on the current-carrying parts and/or bus bars of the switching device or control device,

and the robot system is implemented such that the active area of the robot system extends from the interior room, partly in an area outside the interior room, but within the outer shell, wherein spare parts are stored in the spare part handing-over area for maintenance.

An advantageous maintenance method consists in that for the maintenance or repair of the robot, the area located outside the interior chamber and within the exterior housing is predefined as repair and maintenance area, wherein the access of an operator is permitted if the interior chamber is locked by the door of the interior chamber in the event of the switching or control device of the interior chamber being energized. This places high demands on the safety of the operating personnel.

Drawings

Advantageous embodiments of the invention are shown in the drawings.

Fig. 1 is an exemplary cross section of an unmanned and maintenance switching device or control device.

Fig. 2 is an exemplary cross section of an unmanned and maintenance low voltage switchgear or control device.

Fig. 3 is a plan view of a substation and an example of the position of the human-machine interaction part of the unmanned switchgear or control device.

Detailed Description

Fig. 1 and 2 show an exemplary embodiment of an unmanned and maintenance switching device or control device.

In fig. 2, an exemplary low voltage switchgear or control device is disclosed that is unattended and maintained. The low-voltage switchgear device 40 comprises a mounting frame 44 and several withdrawable modules 42.

For accessing the robot system and providing spare parts for the switching or control device, there are two options:

all the main circuits of the switchgear or control device must be completely de-energized in order to make the internal space 22 of the switchgear or control device safe for personnel entry;

or if desired, the robotic system 21 must be allowed to leave the switchgear or control enclosure 23 for interaction.

The second option is more desirable with respect to maintenance continuity and uptime of the switchgear or control. In order to allow the robot system 21 to be removed from the enclosure, it is proposed to install a dedicated door 50, see fig. 3, on the switchgear or control device outer housing 23.

The door is arc proof when closed and is sized to allow passage of a robotic system with a docking manipulator. The door is only open for the period required for the robot to move through, and the door is closed the rest of the time. The door is preferably located on one lateral side of the switching or control device to allow a predefined robot movement area 51 to be as simple and narrow as possible.

The predefined movement area 51 of the robot system extends outside the switching device or control device housing 23. The default position of the robot system is inside the switching device or control device outer housing 23, where it performs its tasks.

The arc-proof enclosure 23 of the switching device or the control device is damaged during the short period of time the robot moves through the opened door 50. Personnel safety must then be ensured by ensuring that no operator is in the substation interior 56 before opening the switchgear or control device door 50. The interlock system of the switchgear or control device door 50 will prevent it from opening in the following cases:

there is an operator in the substation interior 56 or in the robot service area 54;

the door of the substation 55 is opened.

The presence of an operator in a substation can be learned by one or a combination of the following systems:

a human presence sensor based human presence detection system 58;

manually triggered electrical or mechanical interlock activated by the operator before the operator enters the external substation interface 57. The interlock unlocks the substation door 55 and simultaneously locks the switchgear or control device door 50.

Without explicit confirmation that the switchgear or control device door 50 is closed and locked to prevent opening, another interlock system for ensuring personnel safety will be applied on the substation entry door 55 to prevent the substation entry door from opening from the outside. Activation of this interlock will clearly signal on the local external substation interface 57 to let the operator know that the substation entry door 55 is interlocked.

The local external substation interface 57 will provide an interface for local commands issued by operators prepared to enter or leaving the substation and local signaling of switchgear or control device status.

The available commands for the robotic system will be at least:

when an operator is about to enter the substation for spare part handling or other tasks where the robot is to remain within the switchgear or control device, stay in the internal switchgear or control device area 22 and lock the switchgear or control device door 50;

when the operator wants to enter the substation for maintenance or repair work of the robotic system, move out to the human-machine interaction area 53, lock the switchgear or control device door 50 and keep the docking;

-disarm, free operation when no personnel are present in the substation.

The local external substation interface may be in the form of an intelligent electronic device, a switchyard or key exchange box or a combination of these devices.

Further, a tool storage device may be provided within the outer housing 23 to store and provide various tools for the tool change system of the robotic system to perform maintenance and/or servicing activities.

To further increase the safety of the operator, two special areas of limited access may be defined as follows:

a spare part handover area 52;

a robot service area 54.

The spare part hand-off area 52 will be established as a spare part storage area where the robot automatically takes the required spare parts and stores the replaced parts. The human-computer interaction in this area is indirect, allowing a person to operate in this area only when the robot is not in the human-computer interaction position 53. The task of the personnel is to remove the replacement part and fill in a new spare part in case the stock runs out. Unauthorized personnel in this area are preferably prevented from operating by a locked enclosure or enclosure. The lock allows access only when the robotic system is within the switchgear or control device enclosure 23 and the switchgear or control device door 50 is locked.

The robot service area 54 is an area designed for the operator to perform robot service or maintenance. The robot service area will be designed such that in case of docking the manipulator, all points of robot service or repair are accessible to the operator. When the operator is in the robot service area, the robot operation routine check will be performed safely. The service area is preferably protected from unauthorized access by a locked enclosure or enclosure. The lock allows access only when the robot is in the human machine interaction area 53 and the switchgear or control device door 50 is locked, if the docking manipulator is ready for maintenance intervention.

Reference numerals

21 robot system, robot

22 space, inner chamber

23 outer casing, arc-proof enclosure

40 low-voltage switch device

42 withdrawable module

44 mounting frame

50 door, automatic door

51 area of movement

52 spare part handover area

53 interaction area

54 robot service area

55 substation entrance door and outer door

56 chambers in the outer casing

57 external substation interface.