CN208385326U - Extend the control circuit of signal output loop - Google Patents
Extend the control circuit of signal output loop Download PDFInfo
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- CN208385326U CN208385326U CN201821056298.8U CN201821056298U CN208385326U CN 208385326 U CN208385326 U CN 208385326U CN 201821056298 U CN201821056298 U CN 201821056298U CN 208385326 U CN208385326 U CN 208385326U
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Abstract
The utility model relates to a kind of control circuits for extending signal output loop, the control circuit includes auxiliary switch for circuit breaker circuit, the switching circuitry includes breaker closing instruction branch, breaker open operation indicates branch, circuit breaker failure indicates at least one of branch, it is also corresponding to include breaker coincidence extension branch and extend relay coil with the concatenated combined floodgate of combined floodgate auxiliary switch in the instruction branch that closes a floodgate, breaker quartile extends branch and extends relay coil with the concatenated separating brake of separating brake auxiliary switch in separating brake instruction branch, circuit breaker failure extends branch and extends at least one of relay coil with the concatenated failure of failure auxiliary switch in indicating fault branch, the contact switch string of extension relay coil is located in corresponding extension branch.The utility model expands more auxiliary magnets by relay for the use of monitoring system, solves the problems, such as that auxiliary switch for circuit breaker is inadequate, ensure that power quality.
Description
Technical field
The utility model relates to a kind of control circuit more particularly to a kind of control circuits for extending signal output loop.
Background technique
With the continuous development of China's modernization construction, the demand to electricity consumption is also increasing, this means that electricity consumption
Reliability and safety need higher requirement.In power supply-distribution system operational process, in order to guarantee that backstage can be accurate
Monitoring framework breaker control circuit in time is needed the various state instructions feedback in control loop to background monitoring system
System, to guarantee the quality of electricity consumption, but it sometimes appear that the not enough situation of the auxiliary switch of frame circuit breaker, at this moment due to rear
Platform monitoring system can not carry out comprehensive monitoring to the operating condition of power supply-distribution system, and power quality is caused to be unable to get guarantee.
Utility model content
It is auxiliary for solving breaker the purpose of the utility model is to provide a kind of control circuit for extending signal output loop
Help switch is not enough to will lead to the problem of power quality is unable to get guarantee.
In order to solve the above technical problems, the utility model provides a kind of control circuit for extending signal output loop, packet
Auxiliary switch for circuit breaker circuit is included, the auxiliary switch for circuit breaker circuit includes breaker closing instruction branch, breaker open operation
Indicate at least one of branch, circuit breaker failure instruction branch, it includes that at least one breaker closes that the control circuit is also corresponding
Bits Expanding branch and with combined floodgate auxiliary switch concatenated the combined floodgates extension relay line in breaker closing instruction branch
Circle, at least one breaker quartile extend branch and connect with the separating brake auxiliary switch in breaker open operation instruction branch
Separating brake extension relay coil, at least one circuit breaker failure extension branch and with the circuit breaker failure instruction branch in
At least one of failure auxiliary switch concatenated failure extension relay coil, the touching of the extension relay coil that closes a floodgate
The contact switch of point switch, the contact switch of separating brake extension relay coil and failure extension relay coil corresponds string and sets
It is extended in branch, breaker quartile extension branch and circuit breaker failure extension branch in the breaker coincidence.
The beneficial effects of the utility model are: by connecting to the auxiliary switch for circuit breaker in auxiliary switch for circuit breaker circuit
One extension relay coil, and the contact switch of the extension relay coil is correspondingly arranged in corresponding extension branch,
It efficiently solves the problems, such as that auxiliary switch for circuit breaker is inadequate, can guarantee that backstage monitoring system all-sidedly and accurately monitors power supply and distribution
Operating status ensure that power quality.
Further, the auxiliary switch for circuit breaker circuit includes breaker closing instruction branch, breaker open operation instruction
Branch and circuit breaker failure indicate branch.
Relay coil is extended by combined floodgate auxiliary switch one combined floodgate of series connection indicated in branch to breaker closing, is given
Breaker open operation indicates that separating brake auxiliary switch one separating brake of series connection in branch extends relay coil, and circuit breaker failure is given to indicate
Failure auxiliary switch one failure of series connection in branch extends relay coil, and combined floodgate extension relay coil is corresponding
The corresponding string of contact switch is located in breaker coincidence extension branch, by the corresponding contact switch pair of separating brake extension relay coil
It should go here and there and be located in breaker quartile extension branch, the corresponding corresponding string of contact switch of failure extension relay coil is located at disconnected
Road device failure extend branch in, thus realize to for closing a floodgate, the expansion of the auxiliary switch for circuit breaker amount of separating brake, malfunction monitoring
Exhibition.
Further, the circuit breaker failure extension branch is for being connected in breaker monitoring circuit.
By by circuit breaker failure indicate branch in failure auxiliary switch expand come circuit breaker failure extend branch company
It connects in breaker monitoring circuit, breaker backstage monitoring system may be implemented to the real-time monitoring of circuit breaker failure situation.
Further, the contact switch of relay coil is normally opened contact switch.
Detailed description of the invention
Fig. 1 is the connection schematic diagram in the utility model auxiliary switch for circuit breaker circuit；
Fig. 2 is the schematic diagram of breaker extension branch；
Fig. 3 is the connection schematic diagram of backstage monitoring circuit.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and specifically
The present invention will be further described in detail for embodiment.
The utility model provides a kind of control circuit for extending signal output loop, which includes that breaker is auxiliary
Help switching circuitry.As shown in Figure 1, the auxiliary switch for circuit breaker circuit includes that breaker closing indicates that branch, breaker open operation refer to
Show branch and circuit breaker failure instruction branch.Branch, breaker open operation instruction branch and breaker are indicated in breaker closing
In indicating fault branch, string is equipped with combined floodgate indicator light HD and (breaker) combined floodgate auxiliary switch, separating brake indicator light LD and (breaks respectively
Road device) separating brake auxiliary switch, malfunction indicator lamp YD and (breaker) failure auxiliary switch.
The control circuit of the extension signal output loop further includes corresponding relay and corresponding extension branch.Its
In, which includes close a floodgate extension relay coil KA1, separating brake extension relay coil KA2, failure extension relay coil
KA3 and corresponding contact switch.As shown in Figure 1, the extension relay coil KA1 that closes a floodgate is connected in parallel on breaker closing instruction branch
The both ends of middle combined floodgate indicator light HD, and connect with the combined floodgate auxiliary switch in breaker closing instruction branch；Separating brake extension after
Electric apparatus coil KA2 is connected in parallel on separating brake indicator light in breaker open operation instruction branch and divides the both ends of LD, and refers to the breaker open operation
Show the separating brake auxiliary switch series connection in branch；Failure extension relay coil KA3 is connected in parallel on event in circuit breaker failure instruction branch
Hinder the both ends of indicator light YD, and connects with the failure auxiliary switch in circuit breaker failure instruction branch.
Correspondingly, extension branch includes at least one breaker coincidence extension branch, the extension of at least one breaker quartile
Branch and at least one circuit breaker failure indicate branch.As shown in Fig. 2, extension branch includes three breaker coincidence extension branch
Road and three quartiles extend branch, and the contact switch corresponding to extension relay coil KA1 that closes a floodgate corresponds string and is located at open circuit
Device coincidence extends in branch, spare to make as the extension contact switch of the auxiliary switch for circuit breaker for combined floodgate；Separating brake extension
Contact switch corresponding to relay coil KA2 corresponds string and is located in breaker quartile extension branch, as separating brake
Auxiliary switch for circuit breaker extension contact switch, it is spare to make.As shown in figure 3, corresponding to failure extension relay coil KA3
Contact switch string be located in circuit breaker failure extension branch, circuit breaker failure extension branch is connected to breaker and monitors back
Road, for being used for backstage monitoring system monitoring.Breaker monitoring circuit in Fig. 3 includes the breaker closing for connecting observing and controlling screen
Position branch, breaker open operation position branch, a breaker distant place control allow branch, breaker on the spot prepared auto restart controlling brancher,
The a plurality of branch such as breaker control power loss branch and prepared auto restart power loss branch.
Wherein, extension relay coil KA1, separating brake extension relay coil KA2 and the failure of closing a floodgate extend relay coil
Contact switch corresponding to KA3 is normally opened contact switch, the number of contact corresponding to each relay coil as needed into
Row setting, to meet the needs of auxiliary contacts of circuit breaker switching value.It is limited that contact switch number is corresponded in each relay coil
In the case where, if auxiliary contacts of circuit breaker switch is still not enough, multiple combined floodgates can be extended into relay coil simultaneously at this time
It connects again with the combined floodgate auxiliary switch in breaker closing instruction branch after parallel connection, multiple separating brakes extension relay coil is in parallel
Afterwards again with breaker open operation instruction branch in separating brake auxiliary switch connect, by multiple failures extension relay coil parallel connection after again
It connects with the failure auxiliary switch in circuit breaker failure instruction branch, and each is closed a floodgate and extends the corresponding touching of relay coil
Point switch corresponds string and is located in breaker coincidence extension branch, by the corresponding contact of each separating brake extension relay coil
Switch corresponds string and is located in breaker quartile extension branch, and the contact switch of failure extension relay coil is corresponded
String is located in circuit breaker failure extension branch, to efficiently solve the problems, such as that (frame) breaker auxiliary prescribes not enough, energy
Enough operating statuses for guaranteeing the comprehensive and accurate monitoring power supply and distribution of backstage monitoring system.
It should be noted that above-mentioned auxiliary switch for circuit breaker circuit can also only include as other embodiments
Breaker closing indicates one of either two in branch, breaker open operation instruction branch and circuit breaker failure instruction branch
Kind, at this time by will extend relay coil with it is corresponding instruction branch in auxiliary switch for circuit breaker connect, and will extend after
The contact switch string of electric apparatus coil is located in corresponding extension branch, and the breaker auxiliary in correspondence instruction branch can be realized
The extension of switch.
The utility model is by the way that relay coil to be incorporated in auxiliary switch for circuit breaker circuit, so as to by relay
More auxiliary magnets are expanded for monitoring system from the background using either other equipment and using, efficiently solve breaker auxiliary
Not enough problem is switched, can guarantee that monitoring system in backstage all-sidedly and accurately monitors the operating status of power supply and distribution, ensure that use
Electricity quality.
Claims (4)
1. a kind of control circuit for extending signal output loop, which is characterized in that described disconnected including auxiliary switch for circuit breaker circuit
Road device auxiliary switch circuit includes breaker closing instruction branch, breaker open operation instruction branch, circuit breaker failure instruction branch
At least one of, the control circuit is also corresponding to be included at least one breaker coincidence extension branch and closes with the breaker
Lock indicates that the concatenated combined floodgate extension relay coil of the combined floodgate auxiliary switch in branch, at least one breaker quartile extend branch
And relay coil, at least one are extended with the concatenated separating brake of separating brake auxiliary switch in breaker open operation instruction branch
Circuit breaker failure extends branch and extends with the concatenated failure of failure auxiliary switch in circuit breaker failure instruction branch
At least one of relay coil, contact switch, the separating brake of the extension relay coil that closes a floodgate extend relay coil
The contact switch of contact switch and failure extension relay coil corresponds string and is located at the breaker coincidence extension branch, breaks
Road device quartile extends in branch and circuit breaker failure extension branch.
2. the control circuit of extension signal output loop according to claim 1, which is characterized in that the breaker auxiliary
Switching circuitry includes breaker closing instruction branch, breaker open operation instruction branch and circuit breaker failure instruction branch.
3. the control circuit of extension signal output loop according to claim 1 or 2, which is characterized in that the breaker
Failure extension branch is for being connected in breaker monitoring circuit.
4. the control circuit of extension signal output loop according to claim 1 or 2, which is characterized in that relay coil
Contact switch be normally opened contact switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821056298.8U CN208385326U (en) | 2018-07-03 | 2018-07-03 | Extend the control circuit of signal output loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821056298.8U CN208385326U (en) | 2018-07-03 | 2018-07-03 | Extend the control circuit of signal output loop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208385326U true CN208385326U (en) | 2019-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821056298.8U Active CN208385326U (en) | 2018-07-03 | 2018-07-03 | Extend the control circuit of signal output loop |
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| Country | Link |
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| CN (1) | CN208385326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108717920A (en) * | 2018-07-03 | 2018-10-30 | 河南森源电气股份有限公司 | A kind of control circuit of extension signal output loop |
-
2018
- 2018-07-03 CN CN201821056298.8U patent/CN208385326U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108717920A (en) * | 2018-07-03 | 2018-10-30 | 河南森源电气股份有限公司 | A kind of control circuit of extension signal output loop |
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