CN220510770U - Direct current opening association tripping device - Google Patents
Direct current opening association tripping device Download PDFInfo
- Publication number
- CN220510770U CN220510770U CN202321453687.5U CN202321453687U CN220510770U CN 220510770 U CN220510770 U CN 220510770U CN 202321453687 U CN202321453687 U CN 202321453687U CN 220510770 U CN220510770 U CN 220510770U
- Authority
- CN
- China
- Prior art keywords
- direct current
- protection
- opposite side
- signals
- jump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000002596 correlated effect Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000011664 signaling Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a direct current opening association tripping device, which comprises: a power module that provides power; the intermediate relay is connected with the protection jump signal of the side and the opposite side; the excessive terminal strip is connected with the intermediate relay and transmits the local side and the opposite side protection jump signal connection; the logic control module is connected with the intermediate relay and controls the intermediate relay so as to match the local side and opposite side protection jump signals. The utility model conveniently realizes the matching of the side and opposite side jump protection signals and reduces the hardware cost.
Description
Technical Field
The utility model relates to the field of rail transit, in particular to a direct current opening association tripping device.
Background
Along with the construction of urban rail transit networks in China, the direct current switch comprehensive protection device is a power source for subway operation, and safety and reliability of the direct current switch comprehensive protection device are guaranteed for subway operation. When the direct current switch comprehensive protection devices on the side and the opposite side between the interface stations are of the same manufacturer type, logic judgment of whether the direct current switch enters the recloser with the weight measurement in the feeder line protection tripping can be realized. However, when the integrated protection devices of the present side and the opposite side dc switches of the field device are of different manufacturer types, the dc switches on both sides cannot determine the feeder protection trip and the current type frame protection trip after the feeder protection trip. Therefore, under the condition that the direct current switch comprehensive protection devices on the side and the opposite side are in jump connection, the direct current switch comprehensive protection devices on the two sides cannot enter logic judgment of reclosure to be detected.
Chinese patent CN206775125U discloses a switch cabinet for direct current traction of double-side jump rail transit. The micro-communication circuit breaker comprises a plurality of groups of combined-tripping relays K22, feeder cabinets, a signal transmitting device N and micro-circuit breakers F1, wherein the plurality of groups of combined-tripping relays K22 are respectively arranged in the feeder cabinets, and the signal transmitting device N is arranged on the micro-communication circuit breakers F1.
However, when the comprehensive protection device of the direct current switch on the side or the opposite side needs to be maintained or replaced, the device disclosed in the patent needs to carry out hardware adjustment to complete the direct current switch association skip function.
Disclosure of Invention
In order to solve the above problems, an object of the present application is to provide a dc switch associated tripping device of a dc switch integrated protection device suitable for different stations.
The embodiment of the application provides a direct current opening association tripping device, which comprises:
a power module that provides power;
the intermediate relay is connected with the protection jump signal of the side and the opposite side;
the excessive terminal strip is connected with the intermediate relay and transmits the local side and the opposite side protection jump signal connection;
the logic control module is connected with the intermediate relay and controls the intermediate relay so as to match the local side and opposite side protection jump signals.
Further, the direct current switching association tripping device further comprises a power switch, and the power switch controls the on/off of the direct current switching association tripping device.
Further, the direct current opening association tripping device comprises a feeder line protection association tripping opposite side signal, a current type frame protection association tripping opposite side signal, a PRO receiving relay long and short pulse signal, an opposite side feeder line association tripping protection signal, an opposite side current type frame association tripping protection signal, an opposite side feeder line association tripping protection signal and an opposite side current type frame association tripping protection signal.
Further, in the direct current switching-on and switching-off associated tripping device, the long and short pulse signals of the PRO receiving relay are long and short pulse signals.
Further, the direct current opening association tripping device, the PRO relay long and short pulse signal further comprises: the side jump side signal and the side jump test signal.
Further, the logic control module has a PLC programming function.
Further, in the direct current switching associated tripping device, the power supply module is 220V direct current to 24V alternating current.
Further, the logic control module comprises at least six paths of input ends and at least five paths of output ends.
Further, the direct current switch associated tripping device also comprises a wiring hole site, and the wiring hole site is convenient for threading.
The technical scheme provided by the embodiment of the application has the following advantages:
1. the excessive terminal strip is added, so that wiring can be facilitated;
2. various complex signals can be conveniently converted into switching values due to the addition of the intermediate relay;
3. the logic control module is added, so that the matching of the side and opposite side jump protection signals can be conveniently and programmably realized, and the hardware cost is reduced.
Drawings
Fig. 1 is a schematic diagram of a preferred dc-link jump device according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of connection of a dc-switched-associated-hop device according to an embodiment of the present utility model;
FIGS. 3 a-3 d are diagrams of direct current switching associated patch devices according to preferred embodiments of the present utility model;
fig. 4 is a schematic view of a preferred excess terminal block of the present utility model.
Detailed Description
In order to make the purposes, technical solutions and advantages of the implementation of the present application more clear, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions. The described embodiments are some, but not all, of the embodiments of the present application. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
Furthermore, unless specifically stated and limited otherwise, the terms "mounted," "connected," and the like in the description herein are to be construed broadly and refer to either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can also be communicated with the inside of two elements, and the specific meaning of the two elements can be understood by a person skilled in the art according to specific situations.
Fig. 1 is a schematic diagram of a dc-switched-associated-hop device according to an embodiment of the present utility model. Fig. 2 is a schematic diagram of connection of a dc-link jump device according to a preferred embodiment of the present utility model. As shown in fig. 1 and 2, the dc-switch-associated tripping device C is connected to the present-side dc-switch integrated protection device a and the opposite-side dc-switch integrated protection device B, and includes: a power module 1, the power module 1 providing power. And the intermediate relay 2 is connected with the local side and the opposite side protection jump signal. And an excessive terminal block 3, wherein the excessive terminal block 3 is connected with the intermediate relay 2, and the excessive terminal block 3 transmits the protection jump signal connection of the side and the opposite side. And the logic control module 4 is connected with the intermediate relay 2, and the logic control module 4 controls the intermediate relay 2 so as to match the local side and the opposite side protection jump signals.
Fig. 3a to 3d are diagrams of dc-switch-associated jumpers according to an embodiment of the present utility model. As shown in fig. 3a to 3d, the power module 1 is 220V dc to 24V ac. The intermediate relay 2 includes intermediate relays K01 to K11. The logic control module 4 has at least six inputs I1 to I6 and at least five outputs Q1 to Q5. In the present embodiment, two logic control modules 4 are employed in parallel to increase the number of output ports.
Fig. 4 is a schematic view of a preferred excess terminal block of the present utility model. As shown in fig. 4, the excess terminal block 3 has 30 interfaces x01:1-x01:30. Wherein, X01 is 1-X01 is 2 externally connected with 220v direct current; one end of each of X01, 3 and X01, 6 is connected with the signal connection opposite side of the feeder line protection link, and the other end is connected with the relays K01 to K02; one end of the X01:7-X01:10 is connected with the signal connection opposite side of the current type frame protection linkage, and the other end is connected with the relay K03; one end of the X01:11-X01:22 is connected with long and short pulses of the PRO receiving relay, and the other end is connected with K04-K07; one end of the X01:23-X01:24 is connected with the acquisition of the contralateral feeder line jump protection signal, and the other end is connected with the K08 and the positive electrode of the direct current 24V; one end of the X01:25-X01:26 is connected with a collecting contralateral feeder current type frame jump protection signal, and the other end is connected with the positive electrode of K09 and direct current 24V; one end of the X01:27-X01:28 is connected with a collecting contralateral feeder current type frame jump protection signal, and the other end is connected with K10 and the positive electrode of direct current 24V; one end of the X01:29-X01:30 is connected with the acquisition contralateral current type frame jump protection signal, and the other end is connected with K11 and the positive electrode of direct current 24V.
As shown in fig. 3 to 4, normally open contacts of the intermediate relays K06 and K07 are connected to input ends I5 and I6 of the logic control module 4, and long and short pulse signals of the PRO signaling relay are collected. Preferably, the PRO signaling relay long and short pulses further comprise a local side jump pair side signal and a local side jump test signal. In this embodiment, the present side-by-side jump side signal is acquired. The short pulse is feeder line protection action, and the long pulse is current type frame protection action. The logic control module 4 controls the outputs Q1 to Q3 according to the intermediate relays K06 and K07 signals received by the ports I5 and I6, and further controls the relays at the output sides K1 to K3 to act. The signal is converted into an acceptable feeder line protection tripping opposite side signal and a current type frame protection tripping opposite side signal (X01: 3-X01: 10), so that the opposite side switch is used for distinguishing whether the opposite side switch is the tripping with the recloser or not. Normally open contacts of K08-K11 are connected to I1-I4 of the logic control module 4, PRO signaling relay long and short pulse signals such as side jump signals are collected, Q4 and Q5 long and short pulses are controlled to be output according to the signals received by the I1-I4, and then the action time length (X01: 11-X01: 18) of the output side K04 and K05 relays is controlled, so that whether the side switch is in the jump with recloser or not is judged.
Preferably, the logic control module 4 of the direct current switching-associated tripping device C has a PLC programming function.
Preferably, the power module 1 of the direct current switching-associated tripping device C is 220V direct current to 24V alternating current.
Preferably, the direct current switching-on and switching-off device C further comprises a wiring hole site 6, and the wiring hole site 6 facilitates threading.
In summary, the logic control module 4 can convert the received local side and opposite side protection trip signals into protection trip signals matched with the local side and opposite side, so as to realize the switch distinction of the opposite side and the local side as to whether the trip with the recloser is implemented. The transition terminal strip is added, so that wiring can be facilitated, various complex signals can be conveniently converted into switching values by the addition of the intermediate relay, and matching of the side and opposite side jump protection signals can be conveniently realized by the addition of the logic control module, so that hardware cost is reduced.
The embodiments described above are intended to be implemented or used by those skilled in the art, and those skilled in the art may make various modifications or changes to the embodiments described above without departing from the spirit of the application, so that the scope of the application is not limited by the embodiments described above, but is to be accorded the broadest scope consistent with the innovative features recited in the claims.
Claims (9)
1. A direct current opening association tripping device, comprising:
a power module that provides power;
the intermediate relay is connected with the protection jump signal of the side and the opposite side;
the excessive terminal strip is connected with the intermediate relay and transmits the local side and the opposite side protection jump signal connection;
the logic control module is connected with the intermediate relay and controls the intermediate relay so as to match the local side and opposite side protection jump signals.
2. The direct current switching correlated hop device of claim 1, further comprising a power switch that controls on/off of the direct current switching correlated hop device.
3. The direct current opening correlation trip device according to claim 1, wherein the local side and opposite side protection trip signals comprise feeder protection trip opposite side signals, current type frame protection trip opposite side signals, PRO receiver relay long and short pulse signals, acquisition opposite side feeder trip protection signals, acquisition opposite side current type frame trip protection signals.
4. A dc opening correlation tripping device as defined in claim 3, wherein the PRO receiver relay long and short pulse signal is a long and short pulse signal.
5. The dc-opening correlated tripping device of claim 3, wherein said PRO-receiver relay long and short pulse signal further comprises: the side jump side signal and the side jump test signal.
6. The direct current switching-associated tripping device of claim 1, wherein the logic control module has a PLC programming function.
7. The direct current switching device of claim 1, wherein the power module is 220 vdc to 24 vac.
8. The direct current open-association jumper of claim 1, wherein the logic control module comprises at least six inputs and at least five outputs.
9. The direct current opening correlation jumper of claim 1, further comprising a wiring hole site that facilitates threading.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321453687.5U CN220510770U (en) | 2023-06-08 | 2023-06-08 | Direct current opening association tripping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321453687.5U CN220510770U (en) | 2023-06-08 | 2023-06-08 | Direct current opening association tripping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220510770U true CN220510770U (en) | 2024-02-20 |
Family
ID=89877911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321453687.5U Active CN220510770U (en) | 2023-06-08 | 2023-06-08 | Direct current opening association tripping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220510770U (en) |
-
2023
- 2023-06-08 CN CN202321453687.5U patent/CN220510770U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0630467A (en) | Remote transmitting device | |
| CN109459658B (en) | Method for power distribution master station to judge local feeder automation line fault section | |
| CN110605999B (en) | Measurement and control protection system and method for through type in-phase power supply network | |
| CN100550076C (en) | Building control or alarm system | |
| GB2517368A (en) | Anti-interference switching value transmission circuit | |
| CN220510770U (en) | Direct current opening association tripping device | |
| CN207638333U (en) | Alternating current filter cuts off circuit automatically after a kind of last line tripping | |
| CN107147090B (en) | Bilateral united-hop device and bilateral united-hop protection system based on optical fiber communication | |
| CN112278019A (en) | Semi-automatic block circuit and driving method of semi-automatic block circuit | |
| CN104924922B (en) | Bilateral combination jump protection system of direct-current traction power supply system based on digital communications | |
| CN103545797A (en) | Distribution network area protecting and self-healing system | |
| CN104934949B (en) | DC traction power-supply system two-sided anti-interference protection system based on fiber optic communication | |
| CN108321788B (en) | Power switching device and power supply and distribution system | |
| CN113162234B (en) | Direct current combined-hop system based on GOOSE communication and monitoring method | |
| CN101599638A (en) | Relay protection multi-communication mode intelligent switching device | |
| CN213461143U (en) | Low-voltage equipment switching device and system | |
| CN210792876U (en) | Measurement and control protection system of through-type in-phase power supply network | |
| CN102012467A (en) | Discrimination system for breakdown failures on mainline or branch line of power grid | |
| CN201388198Y (en) | Longitudinal differential protection communication channel multi-interface device | |
| CN206470297U (en) | Straight-flow system Insulation monitoring switching device | |
| CN215497736U (en) | Novel HVDC intelligent local side power supply screen cabinet | |
| CN209104787U (en) | Novel firefighting cuts nonsystematic | |
| CN217824422U (en) | Track traffic direct current switchgear electrical safety system based on visual identification | |
| CN211480921U (en) | Power lightning protection unit of intelligent power lightning protection box | |
| CN214953730U (en) | Excitation system rotor current acquisition device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |