CN210722855U - Isolation grounding switch control device and isolation grounding switch system - Google Patents
Isolation grounding switch control device and isolation grounding switch system Download PDFInfo
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- CN210722855U CN210722855U CN201921941814.XU CN201921941814U CN210722855U CN 210722855 U CN210722855 U CN 210722855U CN 201921941814 U CN201921941814 U CN 201921941814U CN 210722855 U CN210722855 U CN 210722855U
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Abstract
The utility model provides an keep apart ground connection switch controlling means and keep apart ground connection switch system. Wherein, keep apart ground connection switch controlling means, including the switch board, the switch board respectively with the electronic switch mechanism case and the ground connection switch signal connection of isolation switch, the switch board includes: the power supply terminal can provide authorized power supply for the operation loop of the isolation disconnecting link and the operation loop of the grounding disconnecting link; the control terminal can collect the switching-on and switching-off states of the isolation disconnecting link and the grounding disconnecting link and control the switching-on and switching-off of the isolation disconnecting link and the switching-on and switching-off of the grounding disconnecting link; and the locking controller is respectively in signal connection with the power supply terminal and the control terminal so that the control terminal can control the opening and closing of the isolation disconnecting link and the opening and closing of the grounding disconnecting link. The utility model provides an keep apart the problem that grounding switch exists engineering transformation and equipment management cost height, operation difficulty among the prior art.
Description
Technical Field
The utility model relates to a switch controlgear field particularly, relates to an keep apart ground connection switch controlling means and keep apart ground connection switch system.
Background
The direct current isolating switch of the rail transit is a necessary product for normal operation of urban rails and subways, bears the tasks of normal power supply of vehicle operation, power failure isolation and circuit conversion when a fault occurs, and is important equipment for ensuring normal operation of the urban rails and the subways. At present, most of direct-current isolating switches in a vehicle section are manual isolating disconnecting switches, the disconnecting switches need to be manually isolated during power failure, then the contact network is manually tested for electricity, and the ground wire can be connected after no electricity exists, so that the whole operation process is time-consuming and labor-consuming, the safety and reliability are low, and the operation process is difficult to manage; along with the continuous development of track traffic technique, this type of manual isolation switch of order needs to upgrade and reform transform, changes into electronic isolation switch to promote the degree of automation and the efficiency of overhauing. A traditional method for transforming an electric disconnecting link by a manual disconnecting link is to add an independent electric disconnecting link mechanism box to drive the disconnecting link to be switched on and off. In the maintenance process, a maintainer is required to operate the electric disconnecting link mechanism box, so that the disconnecting link is disconnected, then the grounding cabinet is run, the grounding disconnecting link is subjected to electricity testing and closing operation, and then subsequent maintenance operation is carried out. In this process, there are several problems:
1) the engineering cost is increased: because the manual isolation switch is changed into the electric isolation switch, the control on the electric switch mechanism box is increased. Therefore, the cost of the modified equipment is relatively high.
2) The grounding process is more complicated: the maintainer needs to test and close the grounding switch on the grounding cabinet after the disconnecting switch of the tool setting switch of the electric disconnecting link mechanism box is completed. Usually, the grounding cabinet is at a certain distance from the isolation switch, and the maintenance personnel is required to run back and forth between the grounding cabinet and the isolation switch. Therefore, the process is complicated, and the operation efficiency is affected.
3) Increase of the equipment management cost: because the electric disconnecting link mechanism box is added, the electric disconnecting link mechanism box needs to be managed and maintained independently, and the on-site management and operation cost is increased.
4) Increase the installation cost: because increased electronic switch mechanism case, further increased its installation cost, especially relate to and need gather the connection of keeping apart switch signal, power etc. and need increase the cable alone.
Therefore, the problems of high engineering modification and equipment management cost and difficult operation of the isolation grounding disconnecting link in the prior art exist.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide an keep apart ground connection switch controlling means and keep apart ground connection switch system to there is the problem of engineering transformation and equipment management cost height, operation difficulty in keeping apart ground connection switch among the solution prior art.
In order to achieve the above object, according to the utility model discloses an aspect provides an keep apart ground connection switch controlling means, including the switch control cabinet, the switch control cabinet respectively with the electronic switch mechanism case and the ground connection switch signal connection of switch are kept apart, the switch control cabinet includes: the power supply terminal can provide authorized power supply for the operation loop of the isolation disconnecting link and the operation loop of the grounding disconnecting link; the control terminal can collect the switching-on and switching-off states of the isolation disconnecting link and the grounding disconnecting link and control the switching-on and switching-off of the isolation disconnecting link and the switching-on and switching-off of the grounding disconnecting link; the locking controller is in signal connection with the power supply terminal and the control terminal respectively, receives the on-off state information of the isolation disconnecting link and the on-off state information of the grounding disconnecting link through the control terminal, and provides an authorized power supply for the power supply terminal through the collected on-off state information of the isolation disconnecting link and the collected on-off state information of the grounding disconnecting link, so that the control terminal can control the on-off of the isolation disconnecting link and the on-off of the grounding disconnecting link.
Furthermore, when the locking controller acquires the switching-off state information of the isolation switch and the switching-off state information of the grounding switch through the control terminal, the locking controller provides an authorized power supply for the power supply terminal, and the control terminal can control the grounding switch to perform switching-on operation; and/or when the locking controller acquires the switching-on state information of the isolation switch and the switching-off state information of the grounding switch through the control terminal, the locking controller provides an authorized power supply for the power supply terminal, the control terminal can control the isolation switch to perform switching-off operation, and the authorization for controlling the grounding switch to perform switching-on operation is obtained after the isolation switch completes the switching-off operation; and/or when the locking controller acquires the switching-off state information of the isolation switch and the switching-on state information of the grounding switch through the control terminal, the locking controller provides an authorized power supply for the power supply terminal, the control terminal can control the grounding switch to perform switching-off operation, and the authorization for controlling the isolation switch to perform switching-on operation is obtained after the grounding switch completes the switching-off operation.
Further, the switch control cabinet further comprises an electricity testing device, the electricity testing device is in signal connection with the locking controller, after the isolation switch is switched to the disconnecting state, the electricity testing device tests electricity of an operation loop of the grounding switch, electricity testing information is transmitted to the locking controller, when the operation loop of the grounding switch is tested to be uncharged, the locking controller provides an authorized power supply for the power terminal, and the control terminal obtains the permission of controlling the grounding switch to perform closing operation.
Furthermore, the switch control cabinet also comprises a control panel, the control panel is respectively in signal connection with the power supply terminal and the control terminal, and the display part of the locking controller of the switch control cabinet is arranged on the control panel.
Further, the control panel includes: the isolation switch control part can display the opening state of the isolation disconnecting link and the closing state of the isolation disconnecting link and control the opening and closing operation of the isolation disconnecting link through a control terminal; earthing switch control division, earthing switch control division can show the separating brake state of ground connection switch, the combined floodgate state of ground connection switch to through the divide-shut brake operation of control terminal control ground connection switch, earthing switch control division can also control the electroscope device of switch board, after isolation switch switches over to separating brake state, electroscope device tests the electricity to the operation return circuit of ground connection switch, and shows and test the electricity result.
Further, the control panel further comprises a first locking part and a second locking part which are respectively matched with an external unlocking key, wherein the first locking part can lock the isolating switch control part; the second locking part can lock the grounding switch control part; when the power-off operation is carried out, the second locking part can unlock the grounding switch control part after the first locking part unlocks the isolating switch control part; when the second locking part unlocks the grounding switch control part during power transmission operation, the first locking part can unlock the disconnecting switch control part.
Furthermore, the isolation grounding switch control device further comprises an operation background, and the switch control cabinet further comprises a network switch, wherein the network switch is in signal connection with the control panel and the operation background respectively, so that the operation background can remotely control the control panel.
Furthermore, the control panel also comprises a remote control part, and the remote control part authorizes the operation background so that the operation background can obtain the authority of controlling the control panel, and simultaneously the remote control part displays the control state of the operation background.
According to the utility model discloses an on the other hand provides an keep apart ground connection switch system, include: the isolation grounding knife switch control device; the isolation disconnecting link comprises a disconnecting link body and an electric disconnecting link mechanism box, an electric disconnecting link case is connected with the disconnecting link body and controls the switching-on and switching-off operation of the disconnecting link body, and a power terminal and a control terminal of a disconnecting link control cabinet of the isolation grounding disconnecting link control device are respectively in signal connection with the electric disconnecting link mechanism box so as to acquire the switching-off state of the isolation disconnecting link and the switching-on state of the isolation disconnecting link and control the isolation disconnecting link to perform the switching-on and switching-off operation; and the grounding disconnecting link is arranged inside the disconnecting link control cabinet.
Further, the isolation grounding switch system is an isolation grounding switch system for urban rail transit.
Use the technical scheme of the utility model, keep apart ground connection switch controlling means in this application, including the switch control cabinet, the switch control cabinet respectively with the electronic switch mechanism case and the ground connection switch signal connection of switch are kept apart, the switch control cabinet includes power supply terminal, control terminal and blocking controller. The power supply terminal can provide authorized power supply for the operation loop of the isolation disconnecting link and the operation loop of the grounding disconnecting link; the control terminal can collect the switching-on and switching-off states of the isolation disconnecting link and the grounding disconnecting link and control the switching-on and switching-off of the isolation disconnecting link and the switching-on and switching-off of the grounding disconnecting link; the locking controller is respectively in signal connection with the power supply terminal and the control terminal, receives the on-off state information of the isolation disconnecting link and the on-off state information of the grounding disconnecting link through the control terminal, and provides an authorized power supply for the power supply terminal through the collected on-off state information of the isolation disconnecting link and the collected on-off state information of the grounding disconnecting link, so that the control terminal can control the on-off of the isolation disconnecting link and the on-off of the grounding disconnecting link.
When the isolation grounding switch control device is used, due to the fact that the switch control cabinet is arranged, the control terminal can respectively collect the switching-off state of the isolation switch, the switching-on state of the isolation switch, the switching-off state of the grounding switch and the switching-on state of the grounding switch, judge the collected state information through the locking controller, provide authorized power for the power terminal, and enable the control terminal to control the isolation switch or the grounding switch to be switched on and off. Thereby effectively solving the problem of difficult operation of the grounding knife switch in the prior art.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural diagram of an isolated earthing knife-switch system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the structure of the isolation earthing knife-switch control device in the present application;
FIG. 3 is a schematic diagram of a control panel of the isolated grounding switch control device in FIG. 2;
wherein the figures include the following reference numerals:
10. isolating the disconnecting link; 11. an electric disconnecting link mechanism box; 20. a grounding disconnecting link; 30. a disconnecting link control cabinet; 31. a power supply terminal; 32. a control terminal; 33. a latch controller; 34. a control panel; 341. an isolation switch control unit; 342. a ground switch control unit; 343. a first latch; 344. a second latch; 345. a remote control unit; 35. a network switch.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.
In order to solve the problems of high engineering modification and equipment management cost and difficult operation of the isolation grounding disconnecting link in the prior art, the application provides an isolation grounding disconnecting link control device and an isolation grounding disconnecting link system.
As shown in fig. 1 to 3, the isolation and grounding knife switch control device in the present application includes a knife switch control cabinet 30, the knife switch control cabinet 30 is respectively in signal connection with the electric knife switch mechanism box 11 and the grounding knife switch 20 of the isolated knife switch 10, and the knife switch control cabinet 30 includes a power terminal 31, a control terminal 32 and a lock controller 33. The power supply terminal 31 can supply power with authorization to the operation loop of the isolation switch 10 and the operation loop of the grounding switch 20; the control terminal 32 can collect the on-off state of the isolation switch 10 and the on-off state of the grounding switch 20, and control the on-off state of the isolation switch 10 and the on-off state of the grounding switch 20; the locking controller 33 is respectively in signal connection with the power supply terminal 31 and the control terminal 32, and the locking controller 33 receives the on-off state information of the isolation switch 10 and the on-off state information of the grounding switch 20 through the control terminal 32, and provides authorized power supply for the power supply terminal 31 through the collected on-off state information of the isolation switch 10 and the collected on-off state information of the grounding switch 20, so that the control terminal 32 can control the on-off of the isolation switch 10 and the on-off of the grounding switch 20.
When the isolation grounding knife switch control device is used, due to the fact that the knife switch control cabinet 30 is arranged, the control terminal 32 can respectively collect the switching-off state of the isolation knife switch 10, the switching-on state of the isolation knife switch 10, the switching-off state of the grounding knife switch 20 and the switching-on state of the grounding knife switch 20, judge the collected state information through the locking controller 33 and provide authorized power for the power terminal 31, and the control terminal 32 can control the isolation knife switch 10 or the grounding knife switch 20 to be switched on and off. Thereby effectively solving the problem of difficult operation of the grounding knife switch 20 in the prior art.
Specifically, when the blocking controller 33 collects the opening state information of the isolating switch 10 and the opening state information of the grounding switch 20 through the control terminal 32, the blocking controller 33 provides authorized power to the power terminal 31, and the control terminal 32 can control the grounding switch 20 to perform a closing operation.
Specifically, when the blocking controller 33 acquires the switching-on state information of the isolating switch 10 and the switching-off state information of the grounding switch 20 through the control terminal 32, the blocking controller 33 provides an authorized power supply to the power terminal 31, and the control terminal 32 can control the isolating switch 10 to perform the switching-off operation and obtain the authorization to control the grounding switch 20 to perform the switching-on operation after the isolating switch 10 completes the switching-off operation.
Specifically, when the blocking controller 33 acquires the opening state information of the isolation switch 10 and the closing state information of the grounding switch 20 through the control terminal 32, the blocking controller 33 provides an authorized power supply to the power terminal 31, and the control terminal 32 can control the grounding switch 20 to perform the opening operation and obtain the authorization to control the isolation switch 10 to perform the closing operation after the grounding switch 20 completes the opening operation.
The main purpose of the above three control methods is to enable the isolation earthing knife-switch control device in the present application to realize the function of locking the isolation knife-switch 10 and the earthing knife-switch 20 with each other. That is, the operation of the earthing switch 20 is controlled by detecting the opening/closing state of the isolating switch 10. That is, when the locking controller 33 detects that the disconnecting switch 10 is in the closed state through a relay in the mechanism box of the disconnecting switch 10, the locking controller 33 can control the grounding switch 20 not to be closed, and even if the operator forcibly presses a button for controlling the grounding switch 20 to be closed, the grounding switch 20 cannot perform the closing operation.
Specifically, the disconnecting link control cabinet 30 further includes an electricity testing device, the electricity testing device is in signal connection with the locking controller 33, after the isolation disconnecting link 10 is switched to the disconnecting state, the electricity testing device tests electricity of the operation loop of the grounding disconnecting link 20, and transmits electricity testing information to the locking controller 33, when the operation loop of the grounding disconnecting link 20 is tested to be uncharged, the locking controller 33 provides an authorized power supply for the power terminal 31, and the control terminal 32 obtains the authority for controlling the grounding disconnecting link 20 to perform the closing operation. By such an arrangement, the earthing switch 20 can be controlled to be turned on only when the voltage detected by the voltage detector is within the set threshold range.
Specifically, the disconnecting link control cabinet 30 further includes a control panel 34, the control panel 34 is respectively in signal connection with the power terminal 31 and the control terminal 32, and the display portion of the locking controller 33 of the disconnecting link control cabinet 30 is disposed on the control panel 34. In the present application, the control panel 34 of the isolation switch 10 and the control panel 34 of the grounding switch 20 are integrally designed, the operation control of the isolation switch 10 and the control of the grounding switch 20 are concentrated in the same panel area, and meanwhile, the division of the operation area is clearly and definitely performed, so that it is ensured that an operator operates the isolation switch 10 and the grounding switch 20 at the same place and at the same time, and the operator clearly identifies the operation area of the isolation switch 10 and the grounding switch 20.
As shown in fig. 3, the control panel 34 includes a disconnecting switch control portion 341 and a grounding switch control portion 342. The disconnecting switch control unit 341 can display the opening state of the disconnecting switch 10 and the closing state of the disconnecting switch 10, and control the opening and closing operation of the disconnecting switch 10 through the control terminal 32; the earthing switch control part 342 can display the switching-off state of the earthing knife-switch 20 and the switching-on state of the earthing knife-switch 20, and control the switching-off and switching-on operations of the earthing knife-switch 20 through the control terminal 32, and the earthing switch control part 342 can also control the electricity testing device of the knife-switch control cabinet 30, and after the isolation knife-switch 10 is switched to the switching-off state, the electricity testing device tests the electricity of the operation loop of the earthing knife-switch 20, and displays the electricity testing result. In the present application, the disconnecting switch control unit 341 and the grounding switch control unit 342 are further provided with a plurality of indicator lamps for indicating the states of the disconnecting switch and the grounding switch, respectively.
In addition, in an embodiment of the present application, the switching-on/off button, the electricity testing button, the transfer switch, the switching-off/on indicator light, the live display light of the overhead line system, and the like of the isolation switch 10 and the grounding switch 20 are collectively designed on the operation panel, and each module is connected to the locking controller 33 through the control terminal 32, so that all the modules are controlled by the locking controller 33. Meanwhile, the on-off control of the isolation switch 10 and the grounding switch 20 is also connected with the locking controller 33 through the power terminal 31 and the control terminal 32, and the locking controller 33 controls the on-off of the isolation switch 10 and the grounding switch 20 and collects the on-off state of the isolation switch 10 and the grounding switch 20.
Specifically, the control panel 34 further includes a first locking portion 343 and a second locking portion 344 respectively engaged with an external unlocking key, wherein the first locking portion 343 is capable of locking the disconnecting switch control portion 341; the second locking section 344 can lock the ground switch control section 342; when the power-off operation is performed, the second locking unit 344 can unlock the ground switch control unit 342 after the first locking unit 343 unlocks the disconnecting switch control unit 341; when the power transmission operation is performed, the second locking unit 344 unlocks the earthing switch control unit 342, and then the first locking unit 343 can unlock the disconnecting switch control unit 341. Through the arrangement, the operation process of an operator can be more standard, so that the occurrence of accidents can be effectively reduced.
Specifically, the isolation grounding switch control device further includes an operation background, the switch control cabinet 30 further includes a network switch 35, and the network switch 35 is respectively in signal connection with the control panel 34 and the operation background, so that the operation background remotely controls the control panel 34. In this application, network switch 35 links to each other through the communication cable with remote control shutting controller 33, and the control room of operation backstage is transmitted to the signal of isolating switch 10 and earthing switch 20, also transmits the condition of testing the electricity to the LED display screen simultaneously, shows on the LED display screen that there is electricity or electroless. The network switch 35 is also connected to the cameras of the monitoring isolation switch 10 and the grounding switch 20 via communication cables, and transmits the monitoring images of the isolation switch 20 and the grounding switch 20 to a control room in the background of operation.
Optionally, the control panel 34 further includes a remote control part 345, and the operation background is authorized by the remote control part 345, so that the operation background obtains the authority to control the control panel 34, and the control state of the operation background is displayed by the remote control part 345.
The isolation earthing knife-switch system in the present application comprises the isolation earthing knife-switch control device and the isolation knife-switch 10. The isolation disconnecting link 10 comprises a disconnecting link body and an electric disconnecting link mechanism box 11, an electric disconnecting link case is connected with the disconnecting link body and controls the switching-on and switching-off operation of the disconnecting link body, and a power terminal 31 and a control terminal 32 of a disconnecting link control cabinet 30 of the isolation grounding disconnecting link control device are respectively in signal connection with the electric disconnecting link mechanism box 11 so as to acquire the switching-off state of the isolation disconnecting link 10 and the switching-on state of the isolation disconnecting link 10 and control the isolation disconnecting link 10 to perform the switching-on and switching-off operation; the earthing knife-switch 20, earthing knife-switch 20 is set up in the inside of switch control cabinet 30.
Optionally, the isolation earthing switch system is an urban rail transit isolation earthing switch system.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
1. compared with the existing means, the engineering reconstruction cost is effectively reduced;
2. the operation is simple, and the working efficiency is high;
3. and equipment management cost and engineering installation cost are saved.
It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an keep apart ground connection switch controlling means, characterized in that, includes switch board (30), switch board (30) respectively with the electronic switch mechanism case (11) and the ground connection switch (20) signal connection of switch (10) that keep apart, switch board (30) include:
a power supply terminal (31), the power supply terminal (31) being capable of providing an authorized power supply to the operating circuit of the isolating switch (10) and the operating circuit of the grounding switch (20);
the control terminal (32) can collect the switching-on and switching-off states of the isolation disconnecting link (10) and the grounding disconnecting link (20) and control the switching-on and switching-off of the isolation disconnecting link (10) and the switching-on and switching-off of the grounding disconnecting link (20);
the locking controller (33), the locking controller (33) respectively with power supply terminal (31) with control terminal (32) signal connection, just locking controller (33) pass through control terminal (32) are received the divide-shut brake state information of isolation switch (10) and the divide-shut brake state information of ground connection switch (20), and through gathering the divide-shut brake state information of isolation switch (10) and the divide-shut brake state information of ground connection switch (20) are right power supply that power supply terminal (31) provided the mandate, so that control terminal (32) can be right the divide-shut brake of isolation switch (10) with the divide-shut brake of ground connection switch (20) controls.
2. The isolation earthing switch control device according to claim 1, characterized in that when the blocking controller (33) collects the opening status information of the isolation switch (10) and the opening status information of the earthing switch (20) through the control terminal (32), the blocking controller (33) provides the authorized power supply to the power terminal (31);
the control terminal (32) can control the grounding knife switch (20) to perform closing operation; and/or
The control terminal (32) can control the isolation switch (10) to perform switching-off operation, and obtains authorization for controlling the grounding switch (20) to perform switching-on operation after the isolation switch (10) completes the switching-off operation; and/or
The control terminal (32) can control the grounding disconnecting link (20) to perform switching-off operation, and obtains authorization for controlling the isolation disconnecting link (10) to perform switching-on operation after the grounding disconnecting link (20) completes the switching-off operation.
3. The isolation grounding knife switch control device according to claim 1, wherein the knife switch control cabinet (30) further comprises an electricity testing device, the electricity testing device is in signal connection with the locking controller (33), after the isolation knife switch (10) is switched to the open state, the electricity testing device tests the operation loop of the grounding knife switch (20) and transmits the test information to the locking controller (33), when the operation loop of the grounding knife switch (20) is tested to be uncharged, the locking controller (33) provides authorized power for the power terminal (31), and the control terminal (32) obtains the authority of controlling the grounding knife switch (20) to perform the closing operation.
4. The isolated grounding knife switch control device according to claim 1 or 2, characterized in that the knife switch control cabinet (30) further comprises a control panel (34), the control panel (34) is respectively connected with the power supply terminal (31) and the control terminal (32) in signal connection, and the display part of the locking controller (33) of the knife switch control cabinet (30) is arranged on the control panel (34).
5. The isolated earthing knife-switch control device according to claim 4, characterized in that, the control panel (34) comprises:
the disconnecting switch control part (341) can display the switching-off state of the disconnecting switch (10) and the switching-on state of the disconnecting switch (10), and controls the switching-on and switching-off operation of the disconnecting switch (10) by controlling the control terminal (32);
earthing switch control part (342), earthing switch control part (342) can be right the separating brake state of ground connection switch (20) the combined floodgate state of ground connection switch (20) shows, and through control terminal (32) control the divide-shut brake operation of ground connection switch (20), earthing switch control part (342) can also control the electroscope device of switch board (30) keep apart switch (10) and switch over to the separating brake state after, electroscope device is right the operation return circuit of ground connection switch (20) tests the electricity to show and test the electricity result.
6. The isolated earth knife control of claim 5, characterized in that the control panel (34) further comprises a first latch (343) and a second latch (344) each cooperating with an external unlocking key, wherein,
the first locking unit (343) can lock the disconnecting switch control unit (341);
the second locking section (344) can lock the ground switch control section (342);
when the first closing part (343) unlocks the disconnecting switch control part (341) during the power-off operation, the second closing part (344) can unlock the grounding switch control part (342);
when the second locking unit (344) unlocks the earthing switch control unit (342) during a power transmission operation, the first locking unit (343) can unlock the disconnecting switch control unit (341).
7. The isolated grounding switch control device according to claim 4, further comprising an operation background, wherein the switch control cabinet (30) further comprises a network switch (35), and the network switch (35) is respectively in signal connection with the control panel (34) and the operation background, so that the operation background remotely controls the control panel (34).
8. The isolated grounding knife switch control device according to claim 7, characterized in that the control panel (34) further comprises a remote control part (345), and the operation background is authorized by the remote control part (345) to obtain the right of controlling the control panel (34) by the operation background, and the control state of the operation background is displayed by the remote control part (345).
9. An isolated grounding knife switch system, comprising:
the isolated grounded knife switch control device of any of claims 1 to 8;
the isolation disconnecting link (10), the isolation disconnecting link (10) comprises a disconnecting link body and an electric disconnecting link mechanism box (11), the electric disconnecting link machine box is connected with the disconnecting link body and controls the switching-on and switching-off operation of the disconnecting link body, and a power terminal (31) and a control terminal (32) of a disconnecting link control cabinet (30) of the isolation grounding disconnecting link control device are respectively in signal connection with the electric disconnecting link mechanism box (11) so as to acquire the switching-off state of the isolation disconnecting link (10) and the switching-on state of the isolation disconnecting link (10) and control the isolation disconnecting link (10) to perform the switching-on and switching-off operation;
the grounding disconnecting link (20), the grounding disconnecting link (20) is arranged inside the disconnecting link control cabinet (30).
10. The isolated grounding switch system of claim 9, wherein the isolated grounding switch system is an urban rail transit isolated grounding switch system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921941814.XU CN210722855U (en) | 2019-11-11 | 2019-11-11 | Isolation grounding switch control device and isolation grounding switch system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921941814.XU CN210722855U (en) | 2019-11-11 | 2019-11-11 | Isolation grounding switch control device and isolation grounding switch system |
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| CN210722855U true CN210722855U (en) | 2020-06-09 |
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| CN201921941814.XU Active CN210722855U (en) | 2019-11-11 | 2019-11-11 | Isolation grounding switch control device and isolation grounding switch system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112701001A (en) * | 2020-12-18 | 2021-04-23 | 珠海优特电力科技股份有限公司 | Grounding method and device of contact net |
| CN113281644A (en) * | 2021-05-27 | 2021-08-20 | 深圳供电局有限公司 | Detection method for preventing live isolation switch from being closed to grounding equipment |
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2019
- 2019-11-11 CN CN201921941814.XU patent/CN210722855U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112701001A (en) * | 2020-12-18 | 2021-04-23 | 珠海优特电力科技股份有限公司 | Grounding method and device of contact net |
| CN112701001B (en) * | 2020-12-18 | 2023-03-07 | 珠海优特电力科技股份有限公司 | Grounding method and device of contact net |
| CN113281644A (en) * | 2021-05-27 | 2021-08-20 | 深圳供电局有限公司 | Detection method for preventing live isolation switch from being closed to grounding equipment |
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