CN2855458Y - Water fighting control circuit for generator - Google Patents
Water fighting control circuit for generator Download PDFInfo
- Publication number
- CN2855458Y CN2855458Y CN 200520035357 CN200520035357U CN2855458Y CN 2855458 Y CN2855458 Y CN 2855458Y CN 200520035357 CN200520035357 CN 200520035357 CN 200520035357 U CN200520035357 U CN 200520035357U CN 2855458 Y CN2855458 Y CN 2855458Y
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- relay
- contact
- control circuit
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- fire extinguishing
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model relates to a servomechanism, in particular to a generator water fire-extinguishing control circuit, comprising a water fire-extinguishing input control circuit, a water fire-extinguishing cutoff control circuit, a fire-extinguishing valve control circuit, a drainage valve control circuit and a monitoring circuit. Fire extinguishing by the utility model can only be started after the generator stator demagnetizaion protection and cut-off; after the fire is extinguished by water, the drainage valve is controlled in time to discharge the remained water to guaratee the safety of the generator. The utility model has the advantages of simple structure, convenient operation, safety and reliability, which is applicable for generator water fire-extinguishing control.
Description
Technical field
The utility model relates to a kind of automaton, particularly a kind of generator water fire extinguishing control circuit.
Background technology
At present, most economical generator fire-fighting mode is to adopt the water fire extinguishing, but when water was put out a fire, generator unit stator must be in no-voltage condition, otherwise, short circuit accident will appear in stator interior, and after the water fire extinguishing, stator must be dried, not so stator in a humid environment insulating properties can reduce, under generating state, will cause more serious expansion incidents, and therefore, adopt generator water fire-fighting mode need solve fire extinguishing and row's leakage control problem.
Summary of the invention
The purpose of this utility model is to overcome the defective of prior art, provide the fire extinguishing of a kind of generator water to discharge water and arrange leakage control circuit, before the fire extinguishing of starter-generator water, detect generator unit stator and whether be in voltage status, water fire extinguishing back control drainage valve is discharged surplus water.
The purpose of this utility model is achieved through the following technical solutions: a kind of generator water fire extinguishing control circuit is characterized in that: it comprises that the water fire extinguishing drops into control circuit, water fire extinguishing excision control circuit, fire valve control circuit, drainage valve control circuit and monitoring circuit; Wherein, water fire extinguishing input control circuit is connected with relay ZJ1 by change-over switch SA1; Water fire extinguishing excision control circuit is connected with relay ZJ2 by change-over switch SA2, middle control valve; The fire valve control circuit is connected with relay ZJ4 by control relay DF1, relay ZJ3; The drainage valve control circuit is connected with relay ZJ6 by control relay DF2, relay ZJ5; Monitoring circuit drops into indicator lamp HL4 by power supply indicator HL1 with fire extinguishing and is connected; The water fire extinguishing drops between control circuit, water fire extinguishing excision control circuit, fire valve control circuit, drainage valve control circuit and the monitoring circuit and is connected in parallel.
Water fire extinguishing described in the utility model drops in the control circuit, three inputs of change-over switch SA1 are connected with the positive pole of dc source, three corresponding outputs are connected with the pair of contact of a normally-closed contact, the controlled contact LDM of a fire alarm and relay ZJ1 respectively, connect with pair of contact and the relay ZJ1 of an external control contact, relay ZJ3 after the contact tandem of normally-closed contact, the controlled contact LDM of fire alarm and ZJ1, the other end of relay ZJ1 is connected with the negative pole of dc source, and the controlled contact of a fire alarm is controlled by an outside relay.
In the water fire extinguishing excision control circuit described in the utility model, three inputs of change-over switch SA2 are connected with the positive pole of dc source, three corresponding outputs are connected with the pair of contact of a normally-closed contact, middle control valve contact and relay ZJ2 respectively, connect with pair of contact and the relay ZJ2 of relay ZJ4 after the contact tandem of normally-closed contact, middle control valve contact and ZJ2, the other end of relay ZJ2 is connected with the negative pole of dc source.
In the fire valve control circuit described in the utility model, the blue control end of control relay DF1 is connected with the positive pole of dc source with the pair of contact series connection back of relay ZJ1 and relay ZJ6, black control end is connected with the positive pole of dc source through the pair of contact of relay ZJ2, red control end is connected with the negative pole of dc source, the red contact of control relay DF1 is connected with the positive pole of dc source, and blue contact is connected with the negative pole of dc source with relay ZJ3, relay ZJ4 series connection back respectively with black contact.
In the drainage valve control circuit described in the utility model, the blue control end of control relay DF2 is connected with the positive pole of dc source with the pair of contact series connection back of relay ZJ4 and relay ZJ1 respectively with black control end, red control end is connected with the negative pole of dc source, the red contact of control relay DF2 is connected with the positive pole of dc source, and blue contact is connected with the negative pole of dc source with relay ZJ5, relay ZJ6 series connection back respectively with black contact.
In the monitoring circuit described in the utility model, the two ends of power supply indicator HL1 are connected with the both positive and negative polarity of dc source respectively, the end that fire extinguishing drops into indicator lamp HL4 is connected with the positive pole of dc source with the pair of contact series connection back of relay ZJ3, and the other end is connected with the negative pole of dc source.
Generator water fire extinguishing control circuit described in the utility model; just can start fire extinguishing after can and opening circuit at the generator unit stator field suppression protection, after the water fire extinguishing, in time control drainage valve and discharge the moisture of leaving over; guarantee the safety of generator, have simple in structure, easy to operate, safe and reliable advantage.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
The specific embodiment
Describe the annexation and the operation principle of components and parts in each circuit of the utility model with reference to the accompanying drawings in detail.
As accompanying drawing 1, a kind of generator water fire extinguishing control circuit, it comprises that the water fire extinguishing drops into control circuit, water fire extinguishing excision control circuit, fire valve control circuit, drainage valve control circuit and monitoring circuit; Wherein, water fire extinguishing input control circuit is connected with relay ZJ1 by change-over switch SA1; Water fire extinguishing excision control circuit is connected with relay ZJ2 by change-over switch SA2, middle control valve; The fire valve control circuit is connected with relay ZJ4 by control relay DF1, relay ZJ3; The drainage valve control circuit is connected with relay ZJ6 by control relay DF2, relay ZJ5; Monitoring circuit drops into indicator lamp HL4 by power supply indicator HL1 with fire extinguishing and is connected; The water fire extinguishing drops between control circuit, water fire extinguishing excision control circuit, fire valve control circuit, drainage valve control circuit and the monitoring circuit and is connected in parallel.
Described water fire extinguishing drops in the control circuit, three inputs of change-over switch SA1 are connected with the positive pole of dc source, three corresponding outputs are connected with the pair of contact of a normally-closed contact, the controlled contact LDM of a fire alarm and relay ZJ1 respectively, connect with pair of contact and the relay ZJ1 of an external control contact, relay ZJ3 after the contact tandem of normally-closed contact, the controlled contact LDM of fire alarm and ZJ1, the other end of relay ZJ1 is connected with the negative pole of dc source, and the controlled contact of a fire alarm is controlled by an outside relay.
In the described water fire extinguishing excision control circuit, three inputs of change-over switch SA2 are connected with the positive pole of dc source, three corresponding outputs are connected with the pair of contact of a normally-closed contact, middle control valve contact and relay ZJ2 respectively, connect with pair of contact and the relay ZJ2 of relay ZJ4 after the contact tandem of normally-closed contact, middle control valve contact and ZJ2, the other end of relay ZJ2 is connected with the negative pole of dc source.
In the described fire valve control circuit, the blue control end of control relay DF1 is connected with the positive pole of dc source with the pair of contact series connection back of relay ZJ1 and relay ZJ6, black control end is connected with the positive pole of dc source through the pair of contact of relay ZJ2, red control end is connected with the negative pole of dc source, the red contact of control relay DF1 is connected with the positive pole of dc source, and blue contact is connected with the negative pole of dc source with relay ZJ3, relay ZJ4 series connection back respectively with black contact.
In the described drainage valve control circuit, the blue control end of control relay DF2 is connected with the positive pole of dc source with the pair of contact series connection back of relay ZJ4 and relay ZJ1 respectively with black control end, red control end is connected with the negative pole of dc source, the red contact of control relay DF2 is connected with the positive pole of dc source, and blue contact is connected with the negative pole of dc source with relay ZJ5, relay ZJ6 series connection back respectively with black contact.
In the described monitoring circuit, the two ends of power supply indicator HL1 are connected with the both positive and negative polarity of dc source respectively, the end that fire extinguishing drops into indicator lamp HL4 is connected with the positive pole of dc source with the pair of contact series connection back of relay ZJ3, and the other end is connected with the negative pole of dc source.
The operation principle of circuit is as follows: when change-over switch SA1 throws normally-closed contact; water fire extinguishing control circuit will be regardless of whether fire alarm being arranged all with in running order; be used for field adjustable or manual operation; when change-over switch SA1 throws the pair of contact of relay ZJ1; relay ZJ1 will never move because of not obtaining any operating voltage; the water fire extinguishing will not come into operation; when change-over switch SA1 throws the controlled contact LDM of fire alarm; water fire extinguishing control circuit is in normal operating conditions; when outside relay detects fire alarm; the LDM adhesive of the controlled contact of fire alarm; if this moment, the generator unit stator field suppression protection moved and breaker trips; then the external control contact is also with adhesive; the water fire extinguishing drops into control circuit and connects; relay ZJ1 action; drainage valve control relay DF2 moves thereupon; close drainage valve; its red-Hei contact adhesive; relay ZJ6 action, fire valve control relay DF1 action is opened fire valve and is started fire extinguishing; simultaneously; red-blue contact adhesive of fire valve control relay DF1, relay ZJ3 action, fire extinguishing indicator lamp HL4 connects.
Change-over switch SA2 and change-over switch SA1 link, be that change-over switch SA2 throws middle control valve contact, after fire extinguishing finishes, middle control valve contact adhesive, relay ZJ2 action, the black control of fire valve control relay DF1 obtains operating voltage, impel fire valve to close, after fire valve cuts out, relay ZJ4 action, the blue control end of drainage valve control relay DF2 is obtained operating voltage, opens the drainage valve draining.
Claims (6)
1, a kind of generator water fire extinguishing control circuit is characterized in that: it comprises that the water fire extinguishing drops into control circuit, water fire extinguishing excision control circuit, fire valve control circuit, drainage valve control circuit and monitoring circuit; Wherein, water fire extinguishing input control circuit is connected with relay ZJ1 by change-over switch SA1; Water fire extinguishing excision control circuit is connected with relay ZJ2 by change-over switch SA2, middle control valve; The fire valve control circuit is connected with relay ZJ4 by control relay DF1, relay ZJ3; The drainage valve control circuit is connected with relay ZJ6 by control relay DF2, relay ZJ5; Monitoring circuit drops into indicator lamp HL4 by power supply indicator HL1 with fire extinguishing and is connected; The water fire extinguishing drops between control circuit, water fire extinguishing excision control circuit, fire valve control circuit, drainage valve control circuit and the monitoring circuit and is connected in parallel.
2, a kind of generator water fire extinguishing control circuit according to claim 1, it is characterized in that: described water fire extinguishing drops in the control circuit, three inputs of change-over switch SA1 are connected with the positive pole of dc source, three corresponding outputs respectively with a normally-closed contact, the pair of contact of controlled contact LDM of one fire alarm and relay ZJ1 is connected, normally-closed contact, after the contact tandem of controlled contact LDM of fire alarm and ZJ1 with an external control contact, the pair of contact of relay ZJ3 and relay ZJ1 series connection, the other end of relay ZJ1 is connected with the negative pole of dc source, and the controlled contact of a fire alarm is controlled by an outside relay.
3, a kind of generator water fire extinguishing control circuit according to claim 1, it is characterized in that: in the described water fire extinguishing excision control circuit, three inputs of change-over switch SA2 are connected with the positive pole of dc source, three corresponding outputs are connected with the pair of contact of a normally-closed contact, middle control valve contact and relay ZJ2 respectively, connect with pair of contact and the relay ZJ2 of relay ZJ4 after the contact tandem of normally-closed contact, middle control valve contact and ZJ2, the other end of relay ZJ2 is connected with the negative pole of dc source.
4, a kind of generator water fire extinguishing control circuit according to claim 1, it is characterized in that: in the described fire valve control circuit, the blue control end of control relay DF1 is connected with the positive pole of dc source with the pair of contact series connection back of relay ZJ1 and relay ZJ6, black control end is connected with the positive pole of dc source through the pair of contact of relay ZJ2, red control end is connected with the negative pole of dc source, the red contact of control relay DF1 is connected with the positive pole of dc source, blue contact and black contact respectively with relay ZJ3, relay ZJ4 series connection back is connected with the negative pole of dc source.
5, a kind of generator water fire extinguishing control circuit according to claim 1, it is characterized in that: in the described drainage valve control circuit, the blue control end of control relay DF2 is connected with the positive pole of dc source with the pair of contact series connection back of relay ZJ4 and relay ZJ1 respectively with black control end, red control end is connected with the negative pole of dc source, the red contact of control relay DF2 is connected with the positive pole of dc source, and blue contact is connected with the negative pole of dc source with relay ZJ5, relay ZJ6 series connection back respectively with black contact.
6, a kind of generator water fire extinguishing control circuit according to claim 1, it is characterized in that: in the described monitoring circuit, the two ends of power supply indicator HL1 are connected with the both positive and negative polarity of dc source respectively, the end that fire extinguishing drops into indicator lamp HL4 is connected with the positive pole of dc source with the pair of contact series connection back of relay ZJ3, and the other end is connected with the negative pole of dc source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520035357 CN2855458Y (en) | 2005-09-05 | 2005-09-05 | Water fighting control circuit for generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520035357 CN2855458Y (en) | 2005-09-05 | 2005-09-05 | Water fighting control circuit for generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2855458Y true CN2855458Y (en) | 2007-01-10 |
Family
ID=37598762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520035357 Expired - Fee Related CN2855458Y (en) | 2005-09-05 | 2005-09-05 | Water fighting control circuit for generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2855458Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102271767B (en) * | 2008-12-31 | 2013-07-03 | 李商宣 | Sprinkler with an integrated valve, and fire-extinguishing system using same |
-
2005
- 2005-09-05 CN CN 200520035357 patent/CN2855458Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102271767B (en) * | 2008-12-31 | 2013-07-03 | 李商宣 | Sprinkler with an integrated valve, and fire-extinguishing system using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070110 Termination date: 20100905 |