CN209198567U - A kind of looped network cabinet switch simulator - Google Patents
A kind of looped network cabinet switch simulator Download PDFInfo
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- CN209198567U CN209198567U CN201821731076.1U CN201821731076U CN209198567U CN 209198567 U CN209198567 U CN 209198567U CN 201821731076 U CN201821731076 U CN 201821731076U CN 209198567 U CN209198567 U CN 209198567U
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Abstract
The utility model provides a kind of looped network cabinet switch simulator, for positioning ring network cabinet trouble location, ring network cabinet includes DTU and the scheduling backstage with DTU communication connection, switch simulator includes closing circuit and sub-gate circuit in parallel, closing circuit by the first relay coil it is in parallel with first time relay coil after, the normally-closed contact with the normally-closed contact of the second relay and first time relay is connected in series respectively, sub-gate circuit by the second relay coil it is in parallel with the second time relay coil after, the normally-closed contact with the normally-closed contact of the first relay and second time relay is connected in series respectively, closing circuit and sub-gate circuit are serially connected with the combined floodgate remote control contact connecting with DTU and separating brake remote control contact respectively.The utility model can quickly position ring network cabinet trouble location, save the time, reduce the working strength of investigation failure, and long service life.
Description
Technical field
The utility model relates to a kind of looped network cabinet switch simulators.
Background technique
With the development of reform and opening-up, the raising of electrical equipment automatization level, in order to fast implement Fault Isolation
And repair power transmission, existing equipment is transformed in power supply department, realize power supply department to " three is distant " function of power equipment (remote control, remote signalling,
Telemetering).Remote control refers to that power supply department scheduling backstage can remotely control dividing, closing for looped network cabinet switch；Remote signalling refers to powering
Department is on backstage it can be seen that the institute of looped network cabinet switch is stateful；Telemetering refers to scheduling backstage it can be seen that ring network cabinet passes through
Electric current, voltage value etc..Currently, live all ring network cabinets, which are substantially all, is mounted with that distribution automation equipment DTU (is automated eventually
End).The precondition of power supply department remote control ring network cabinet has following two, first is that live ring network cabinet has installed automatization terminal DTU,
Second is that DTU and power supply department backstage have passed through optical fiber or wireless connection.
It is remotely controlled process are as follows: assuming that live looped network cabinet switch, in open position, scheduling backstage issues remote control command and closes a floodgate, remote control
Order is transferred to live DTU terminal by optical fiber either communication, and order of closing a floodgate is transferred to ring again by DTU terminal
Net cabinet enables its combined floodgate.But since live ring network cabinet runing time is longer, operating mechanism, secondary circuit, electrical two inside ring network cabinet
The communication of item and DTU are likely to occur failure, after being installed so as to cause DTU, can not carry out to ring network cabinet remote
Journey remote control.
When there is the case where above-mentioned ring network cabinet tripping, staff is needed to site inspection and positions ring network cabinet failure portion
Position, i.e. determination are that ring network cabinet faults itself, DTU failure either communication failure, the failure of different parts are corresponding with different places
Reason mode, if as perhaps communication failure can be handled for DTU or communication equipment DTU failure immediately, if such as looped network
Cabinet faults itself, then needing to have a power failure ring network cabinet could be handled.And in the prior art, there are no be capable of quick positioning failure position
Device.
Utility model content
The purpose of this utility model is in view of the deficiencies of the prior art, to propose a kind of looped network cabinet switch simulator, can
Quickly positioning ring network cabinet trouble location, saves the time, reduces the working strength of investigation failure, and long service life.
The utility model is achieved through the following technical solutions:
A kind of looped network cabinet switch simulator, for positioning ring network cabinet trouble location, ring network cabinet includes DTU and leads to DTU
Believe the scheduling backstage of connection, switch simulator includes closing circuit and sub-gate circuit in parallel, and closing circuit is by the first relay
After device coil is in parallel with first time relay coil, respectively with the normally-closed contact of the second relay and first time relay
Normally-closed contact is connected in series, sub-gate circuit by the second relay coil it is in parallel with the second time relay coil after, respectively with
The normally-closed contact of the normally-closed contact of one relay and second time relay is connected in series, and closing circuit and sub-gate circuit are gone here and there respectively
It is connected to the combined floodgate remote control contact connecting with DTU and separating brake remote control contact.
It further, further include the combined floodgate remote signalling contact being connect respectively with the DTU and separating brake remote signalling contact.
Further, the combined floodgate remote control contact and separating brake remote control contact are the controllable contact connecting with DTU.
Further, the combined floodgate remote signalling contact is the normally opened contact of the first relay, and the separating brake remote signalling contact is the
The normally opened contact of two relays.
Further, first, second relay is intermediate relay.
The utility model has the following beneficial effects:
The closing circuit and sub-gate circuit of the utility model pass through combined floodgate remote control contact and separating brake remote control contact and DTU respectively
It connects, DTU is connect with scheduling background communication, and when scheduling backstage issues combined floodgate order, close a floodgate remote control junction closure, ring network cabinet scene
Staff observes the first relay and whether first time relay acts, and scheduling background work personnel then observe the first relay
Whether device state is that remote signalling is closed a floodgate, if the first relay and first time relay attonity, then it is assumed that DTU or communication event
Barrier, scheduling backstage issue separating brake order when, separating brake be remotely controlled junction closure, ring network cabinet field personnel observe the second relay and
Whether second time relay acts, and scheduling background work personnel observe whether the second relay status is remote signalling combined floodgate, if the
Two relays and the second time relay attonity, then it is assumed that DTU or communication failure, if field observation result and scheduling backstage
It is consistent to observe result, then it is assumed that it is ring network cabinet failure itself, so can quickly positions ring network cabinet trouble location, save the time,
The working strength of investigation failure is reduced, and the setting of first, second time relay makes the first relay coil and the second relay
Device coil powers off after obtaining electric a period of time, avoids its long-time from obtaining electric and burn out, to prolong the service life.
Detailed description of the invention
The utility model is described in further details with reference to the accompanying drawing.
Fig. 1 show the utility model circuit diagram.
Specific embodiment
As shown in Figure 1, looped network cabinet switch simulator, is used for the switch motion of analog loop network cabinet, to position ring network cabinet failure
Position, wherein ring network cabinet includes DTU and the scheduling backstage with DTU communication connection, and switch simulator includes that combined floodgate in parallel returns
Road 1 and sub-gate circuit 2 and the combined floodgate remote signalling contact connecting respectively with DTU and separating brake remote signalling contact, closing circuit 1 is by first
After relay coil KMa is in parallel with first time relay coil SJ1, respectively with the normally-closed contact KMc1 of the second relay and
The normally-closed contact SJ11 of one time relay is connected in series, and sub-gate circuit 2 is by the second relay coil KMc and the second time relay
After device coil SJ2 is in parallel, respectively with the normally-closed contact SJ21 of the normally-closed contact KMa1 of the first relay and second time relay
It is connected in series, closing circuit 1 and sub-gate circuit 2 are also serially connected with the combined floodgate remote control contact K1 connecting with DTU and separating brake remote control respectively
Contact K2.
The remote control contact K1 and separating brake remote control contact K2 that closes a floodgate is the controllable contact connecting with DTU, such as reverse-blocking tetrode thyristor,
It is existing skill that the communication mode and DTU on DTU and scheduling backstage, which control controllable contact movement according to the order on scheduling backstage,
Art.
Combined floodgate remote signalling contact is the normally opened contact KMa2 of the first relay, and separating brake remote signalling contact is the normally opened of the second relay
Contact KMc2.
In the present embodiment, the first relay and the second relay are intermediate relay.
The working principle of the utility model are as follows:
When order is closed a floodgate to DTU sending in scheduling backstage, DTU control, which is closed a floodgate, is remotely controlled contact K1 closure, then closing circuit 1 connects
Logical, ring network cabinet field personnel observes the first relay and whether first time relay acts, and dispatches background work personnel
Then observe whether the first relay status is that remote signalling is closed a floodgate, if the first relay and first time relay attonity, then it is assumed that
DTU or communication failure, when scheduling backstage issues separating brake order to DTU, DTU controls separating brake remote control contact K2 closure, and separating brake returns
Road 2 is connected, and ring network cabinet field personnel observes the second relay and whether second time relay acts, and dispatches background work
Personnel observe whether the second relay status is that remote signalling is closed a floodgate, if the second relay and the second time relay attonity, together
Sample thinks DTU or communication failure, if field observation result is consistent with scheduling backstage observation result, then it is assumed that be ring network cabinet itself
Failure so can quickly position ring network cabinet trouble location, save the time, reduce the working strength of investigation failure, and first, the
After the setting of two time relays makes the first relay coil KMa and the second relay coil KMc obtain electric a period of time (such as 5s)
It powers off, avoids its long-time from obtaining electric and burn out, to prolong the service life.
The above, the only preferred embodiment of the utility model, therefore the utility model implementation cannot be limited with this
Range should still belong to this that is, according to equivalent changes and modifications made by present utility model application the scope of the patents and description
In the range of utility model patent is covered.
Claims (5)
1. a kind of looped network cabinet switch simulator, for positioning ring network cabinet trouble location, ring network cabinet includes DTU and communicates with DTU
The scheduling backstage of connection, it is characterised in that: switch simulator includes in parallel closing circuit and sub-gate circuit, closing circuit by
After first relay coil is in parallel with first time relay coil, respectively with the normally-closed contact of the second relay and first time
The normally-closed contact of relay is connected in series, sub-gate circuit by the second relay coil it is in parallel with the second time relay coil after,
The normally-closed contact with the normally-closed contact of the first relay and second time relay is connected in series respectively, and closing circuit and separating brake return
Road is serially connected with the combined floodgate remote control contact connecting with DTU and separating brake remote control contact respectively.
2. a kind of looped network cabinet switch simulator according to claim 1, it is characterised in that: further include respectively with it is described
The combined floodgate remote signalling contact and separating brake remote signalling contact of DTU connection.
3. a kind of looped network cabinet switch simulator according to claim 2, it is characterised in that: combined floodgate remote control contact and
It is the controllable contact connecting with DTU that separating brake, which is remotely controlled contact,.
4. a kind of looped network cabinet switch simulator according to claim 2 or 3, it is characterised in that: the combined floodgate remote signalling connects
Point is the normally opened contact of the first relay, and the separating brake remote signalling contact is the normally opened contact of the second relay.
5. a kind of looped network cabinet switch simulator according to claim 1 or 2 or 3, it is characterised in that: described first,
Two relays are intermediate relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821731076.1U CN209198567U (en) | 2018-10-24 | 2018-10-24 | A kind of looped network cabinet switch simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821731076.1U CN209198567U (en) | 2018-10-24 | 2018-10-24 | A kind of looped network cabinet switch simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209198567U true CN209198567U (en) | 2019-08-02 |
Family
ID=67408994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821731076.1U Active CN209198567U (en) | 2018-10-24 | 2018-10-24 | A kind of looped network cabinet switch simulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209198567U (en) |
-
2018
- 2018-10-24 CN CN201821731076.1U patent/CN209198567U/en active Active
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