CN209200652U - A kind of electrical fault signal participates in the motor circuit of instrument interlocking - Google Patents
A kind of electrical fault signal participates in the motor circuit of instrument interlocking Download PDFInfo
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- CN209200652U CN209200652U CN201821422247.2U CN201821422247U CN209200652U CN 209200652 U CN209200652 U CN 209200652U CN 201821422247 U CN201821422247 U CN 201821422247U CN 209200652 U CN209200652 U CN 209200652U
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- relay
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- interlocking
- fault signal
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Abstract
The utility model relates to the motor circuits that a kind of electrical fault signal participates in instrument interlocking, R1 relay X1-1 adjustment is connected to source side, the normally closed output contact X1-3 adjustment of R1 relay is connected to non-electrical source, and circuit is constituted through the elements such as live start-stop button, instrument interlocking and contactor coil and N line, the end on intermediate relay K3 coil is connected on R1 intermediate relay X1-2 terminal again, constitutes circuit.
Description
Technical field
The utility model relates to the motor circuits that a kind of electrical fault signal participates in instrument interlocking.
Background technique
Petrochemical equipment motor circuit failure/alarm signal is sent to instrument at present, and such signal is participated in interlocking by instrument, and
It is returned to electric control loop, and tripping circuit, stoppage in transit motor.Similarly cause control loop disconnected when light fault (only alerting)
It opens, motor is stopped transport.Such circuit is mainly poly- third change (GM-1126/ GM-1136), low close change (KM-1102/ KM-1103/
KM-1201/ KM-1202/ GM-1608/ GM-1609/GM-1307/ GM-1314) and ethylene change (K-1300-1A/ K-
1300-1S/ K-1600-1A/ K-1600-1S/ K-1650-1A/ K-1650-1S) amount to 16 crucial electric motor loops, adopt
It is controlled with low-voltage comprehensive protective device.Electric fault/alarm signal is drawn by R5 alarm relay contact inside low-voltage comprehensive-protection,
After external intermediate relay K3 switching, output normally opened (normally closed) auxiliary contact of K3 send to instrument and participate in interlocking (see figure 1).Because of R5
Relay is that failure and alarm triggered always export, and can not independently distinguish weight failure (failure) and light fault (alarm), leads to light event
Instrument receives electrical abnormal signal when barrier, interlocks tripping electric control loop, motor is caused to stop transport.
Utility model content
In order to solve the above technical problems, the technical solution that the utility model uses is: a kind of electrical fault signal ginseng
With the motor circuit of instrument interlocking, the normal opened contact X1-1/ including low-voltage comprehensive trip protection relay R1 output end
X1-2, normally closed contact X1-1/X1-3, intermediate relay K3 and protection alarm relay R5, R1 relay X1-1 is connected to
Source side, the normally closed output contact X1-3 of R1 relay is connected to non-electrical source, and interlocks and connect through live start-stop button, instrument
Tentaculum coil part and N line constitute circuit, then the end on intermediate relay K3 coil is connected to R1 intermediate relay
On X1-2 terminal, circuit is constituted.
Preferably, the contact X1-1 of the R1 relay is R1 relay common end.
Preferably, the normal opened contact X1-1/X1-2 of the R1 relay accesses to instrument as fault-signal, as
Interlocking signal substitutes the output contact of alarm relay R5, avoids light fault signal from sending to instrument and causes Concatenate shut-down.
Preferably, the output contact of the protection alarm relay R5 connects malfunction indicator lamp on electrical low pressure disk cabinet,
Only make alarm display on electrical low pressure disk cabinet.It is in contrast to the prior art, the beneficial effects of the utility model are:
After the transformation of low voltage motor comprehensive protection device control loop, once weight failure occurs, trip R1 relay inside comprehensive guarantor
Normally opened auxiliary contact (X1-1/X1-2) closure, the electrification of K3 intermediate relay coil, K3 auxiliary contact are sent to instrument as interlocking control
System, weight failure, which is sent to instrument, to be participated in interlocking.And light fault appoints the output contact connection so through comprehensive guarantor alarm relay R5 electrical low
Malfunction indicator lamp on platen cabinet only makees alarm display on electrical low pressure disk cabinet.
Detailed description of the invention
Fig. 1 is the existing circuit diagram of motor circuit failure.
Fig. 2 is that the motor circuit that the utility model participates in instrument interlocking about electrical fault signal changes scheme.
Fig. 3 is that the utility model improves in circuit, the enlarged drawing of a-quadrant and B area.
Fig. 4 is that the utility model improves in circuit, the enlarged drawing in the region C and the region D.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, being learnt according to operating with for low-voltage comprehensive-protection: low-voltage comprehensive-protection tripping relay R1 output has one normally opened
(terminal X1-1/X1-2), normally closed (X1-1/X1-3) two docking point, wherein terminal X1-1 is R1 relay common end.Low-voltage comprehensive
Fault trip relay R1 output normally closed (X1-1/X1-3) is protected to have been used in electric control loop (disconnecting when failure, making contactor
Coil losing electricity release).And (see figure 1) is not used in the normal opened contact (terminal X1-1/X1-2) of tripping relay R1 output, through consulting skill
Art personnel, which study, to be determined, this normal opened contact (being closed when failure) can be used as fault-signal and sent to instrument, as interlocking signal,
The output contact of the alarm relay R5 of low-voltage comprehensive-protection is not used, is caused so that light fault (alarm signal) be avoided to send to instrument
Concatenate shut-down.
Therefore, the application uses following improvement project, as shown in Figure 2:
R1 relay X1-1 is connected to source side, the normally closed output contact X1-3 of R1 relay is connected to non-electrical source, and through existing
The elements such as start-stop button, instrument interlocking and contactor coil and N line composition circuit, then by one on intermediate relay K3 coil
End (the 14# line of K3 in Fig. 2) is connected on R1 intermediate relay X1-2 terminal, circuit is constituted, for other circuits in this programme
It does not do and changes, it can be seen that after the transformation of low voltage motor comprehensive protection device control loop, once weight failure occurs, jumped inside comprehensive guarantor
Lock R1 relay normally open auxiliary contact (X1-1/X1-2) closure, the electrification of K3 intermediate relay coil, K3 auxiliary contact are sent to instrument
As interlocked control, weight failure, which is sent to instrument, to be participated in interlocking.And light fault is appointed so through the comprehensive output contact for protecting alarm relay R5
Malfunction indicator lamp on electrical low pressure disk cabinet is connected, only makees alarm display on electrical low pressure disk cabinet.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (4)
1. a kind of electrical fault signal participates in the motor circuit of instrument interlocking, including low-voltage comprehensive trip protection relay R1
Normal opened contact X1-1/X1-2, normally closed contact X1-1/X1-3, intermediate relay K3 and the protection alarm relay R5 of output end,
It is characterized by: R1 relay X1-1 is connected to source side, the normally closed output contact X1-3 of R1 relay is connected to non-power
Side, and through live start-stop button, instrument interlocking and contactor coil element and N line composition circuit, then by intermediate relay K3
An end on coil is connected on R1 intermediate relay X1-2 terminal, constitutes circuit.
2. a kind of electrical fault signal participates in the motor circuit of instrument interlocking according to claim 1, feature exists
In: the contact X1-1 of the R1 relay is R1 relay common end.
3. a kind of electrical fault signal participates in the motor circuit of instrument interlocking according to claim 1, feature exists
In: the normal opened contact X1-1/X1-2 of the R1 relay is used as fault-signal and accesses to instrument, substitutes as interlocking signal
The output contact of alarm relay R5 avoids light fault signal from sending to instrument and causes Concatenate shut-down.
4. a kind of electrical fault signal participates in the motor circuit of instrument interlocking according to claim 1, feature exists
In: the output contact of the protection alarm relay R5 connects malfunction indicator lamp on electrical low pressure disk cabinet, only in electrical low pressure
Make alarm display on disk cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821422247.2U CN209200652U (en) | 2018-08-31 | 2018-08-31 | A kind of electrical fault signal participates in the motor circuit of instrument interlocking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821422247.2U CN209200652U (en) | 2018-08-31 | 2018-08-31 | A kind of electrical fault signal participates in the motor circuit of instrument interlocking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209200652U true CN209200652U (en) | 2019-08-02 |
Family
ID=67405566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821422247.2U Active CN209200652U (en) | 2018-08-31 | 2018-08-31 | A kind of electrical fault signal participates in the motor circuit of instrument interlocking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209200652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113835402A (en) * | 2019-11-20 | 2021-12-24 | 重庆金维实业有限责任公司 | Fault-proof interlocking control system for auxiliary oxygen flow of acetylene reaction furnace |
-
2018
- 2018-08-31 CN CN201821422247.2U patent/CN209200652U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113835402A (en) * | 2019-11-20 | 2021-12-24 | 重庆金维实业有限责任公司 | Fault-proof interlocking control system for auxiliary oxygen flow of acetylene reaction furnace |
| CN113835402B (en) * | 2019-11-20 | 2023-03-07 | 重庆金维实业有限责任公司 | Fault-proof interlocking control system for auxiliary oxygen flow of acetylene reaction furnace |
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