CN203259899U - Driller room positive-pressure control system with interlocking function - Google Patents
Driller room positive-pressure control system with interlocking function Download PDFInfo
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- CN203259899U CN203259899U CN 201320198517 CN201320198517U CN203259899U CN 203259899 U CN203259899 U CN 203259899U CN 201320198517 CN201320198517 CN 201320198517 CN 201320198517 U CN201320198517 U CN 201320198517U CN 203259899 U CN203259899 U CN 203259899U
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- driller
- electrical control
- driller house
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Abstract
The utility model discloses a driller room positive-pressure control system with an interlocking function. A pressure switch is arranged in an exhaust pipeline of a driller room, a positive-pressure ventilation alarm panel equipped with an alarm lamp and a public alarm buzzer is arranged in the driller room, and circuit breakers are arranged on power supply circuits of a driller room exhaust fan and driller room non-explosion-proof equipment. When the pressure sensed by the pressure switch is lower than the indoor positive pressure, the pressure switch sends a pressure switch alarm signal to a PLC electric control cabinet, and the PLC electric control cabinet starts the alarm lamp and the public alarm buzzer and switches off the driller room exhaust fan and the driller room non-explosion-proof equipment. The driller room positive-pressure control system is interlocked with the PLC electric control cabinet and the positive-pressure ventilation alarm panel by monitoring the pressure of a driller room ventilation system and is used for maintaining positive pressure inside the driller room and preventing dangerous gases outside the driller room from entering the driller room, ensuring normal work of personnel and equipment in the driller room, avoiding the influence to normal drilling and the occurrence of dangerous situations and improving the safety performance of drilling control.
Description
Technical field
The utility model relates to a kind of driller house of module drilling machine, specifically, relates to a kind of control system for driller house.
Background technology
Driller house is to be the supporting design of module drilling machine, is that current collection, gas, liquid jointly control, the centralized control room of Real-Time Monitoring and control drilling operation.Can realize that in driller house the safe reliability of driller house plays very important effect to whole driller's security and drilling efficiency to the control of the equipment such as driller's equipment, internal heat fire fighting equipment, synergic system.
The driller house routine is arranged in module drilling machine DES top layer, is right against the bank center of turntable.According to risk zontation, whole drilling floor surface belongs to the explosive area, so driller house employing positive draft design, and bulkhead and window satisfy the fire protection requirement of A-60, and each equipment and control desk satisfy requirement of explosion proof in the driller house.In normal driller's process, because driller person passes in and out driller house frequently, perhaps the driller house blower fan is when there was a mechanical failure, so that driller house can not be kept system's malleation even negative pressure can occur, in case the hazardous gas around the driller house enters in the driller house, there is potential safety hazard in the consequences such as normal driller even blast that can exert an influence.
Existing driller house adopts conventional ventilation setting, regulates driller house pressure by the gravity air lock of regulating exhaust outlet and makes it keep malleation, and can not realize the malleation adjusting fully in the application process of reality, can't accurately monitor the pressure of driller house.Therefore according to on-site experience, it is reliable not coming regulating system pressure by the gravity air lock.
The utility model content
To be solved in the utility model is the technical matters that existing driller house can not accurately be controlled its barotropic state, and a kind of driller house positive pressure control system with interlock is provided, and the security of system rank is high, except mechanical fault, can avoid other potential safety hazard, precision is high simultaneously, and cost is low.
In order to solve the problems of the technologies described above, the utility model is achieved by following technical scheme:
A kind of driller house positive pressure control system with interlock, comprise the PLC electrical control cubicles, be provided with the pressure switch that is connected with described PLC electrical control cubicles in the driller house air draft pipeline, the described PLC electrical control cubicles positive draft warning dish interior with being arranged on driller house is connected, be provided with alarm lamp and public alarm hummer on the described positive draft warning dish, be provided with isolating switch on the current supply circuit of driller house exhaust blower and the non-antiknock device of driller house, the secondary circuit contact of described isolating switch is connected with described PLC electrical control cubicles;
When the pressure that described pressure switch is sensed is lower than the driller house indoor positive pressure, send the pressure switch alerting signal to described PLC electrical control cubicles; Described PLC electrical control cubicles receives the pressure switch alerting signal, goes out the positive draft alerting signal and sends the power supply trip signal to the secondary circuit contact of described isolating switch to described positive draft warning hair updo; Described positive draft warning dish receives described positive draft alerting signal, and starts described alarm lamp and described public alarm hummer; The secondary circuit contact of described isolating switch receives described power supply trip signal, and the current supply circuit of described driller house exhaust blower and the non-antiknock device of described driller house is threaded off.
Be provided with pilot lamp on the automatically controlled display screen of described PLC electrical control cubicles, described PLC electrical control cubicles receives described pressure switch alerting signal, starts described pilot lamp.
Between described pressure switch and the described PLC electrical control cubicles, between described PLC electrical control cubicles and the described positive draft warning dish, all adopt armouring low smoke and zero halogen shipboard cable between the secondary circuit contact of described PLC electrical control cubicles and described isolating switch.
The beneficial effects of the utility model are:
(1) the utility model is by monitoring driller house ventilating system pressure, produce interlocking with PLC electrical control cubicles and positive draft warning dish, be used for keeping malleation in the driller house room, prevent that the outside hazardous gas of driller house from entering driller house, guarantee the normal operation of the interior personnel of driller house and equipment, avoid affecting normal driller and dangerous situation and occur, improved the security performance of driller's control system, be applicable to the positive pressure-controlled requirement of the driller house of all kinds of drilling and workover machines;
(2) the utility model adopts the positive pressure-controlled of intelligentized driller house and conventional mechanical positive pressure to regulate, can monitor driller house pressure fully, be lower than set point at the driller house room pressure, when not reaching normal pressure, but trigger alarm and shutoff logic, potential safety hazard is down to minimum, has improved drilling efficiency;
(3) the utility model security of system rank is high, except mechanical fault, can avoid other potential safety hazard, the precision height, and cost is low, and the design-build of module drilling machine project has been played good impetus, has higher economic benefit and social benefit.
Description of drawings
Fig. 1 is the structural representation of positive pressure control system provided by the utility model;
Fig. 2 is the arrangenent diagram of pressure switch in driller house;
Fig. 3 is the dropout line chart of the non-antiknock device of driller house.
Among the figure: 1, PLC electrical control cubicles; 2, pressure switch; 3, positive draft warning dish; 31, alarm lamp; 32, the public alarm hummer; 4, the secondary circuit contact of isolating switch; 5, automatically controlled display screen; 51, pilot lamp; 6, the air draft pipeline; 7, the driller house exhaust blower; 8, the non-antiknock device of driller house; 9, isolating switch.
Embodiment
For further understanding content of the present utility model, characteristics and effect, hereby exemplify following examples, and cooperate accompanying drawing to be described in detail as follows:
As shown in Figure 1, present embodiment discloses a kind of driller house positive pressure control system with interlock, mainly comprises the secondary circuit contact 4 of PLC electrical control cubicles 1, pressure switch 2, positive draft warning dish 3, isolating switch 9 and isolating switch.
As shown in Figure 2, pressure switch 2 is arranged in the air draft pipeline 6 of driller house, and pressure switch 2 and PLC electrical control cubicles 1 are connected by marine explosion-proof cable, and preferably use plain type, high precision, mechanical fine motion pressure switch.
Positive draft warning dish 3 is arranged in the driller house, is connected by marine explosion-proof cable with PLC electrical control cubicles 1.Alarm lamp 31 and public alarm hummer 32 are installed on the positive draft warning dish 3.
As shown in Figure 3, be provided with isolating switch 9 on the current supply circuit of the non-antiknock device 8 of driller house exhaust blower 7 and driller house, the secondary circuit contact 4 of isolating switch and PLC electrical control cubicles 1 are connected by marine explosion-proof cable.
Above-mentioned pressure switch 2 and positive draft warning dish 3 all adopt flame-proof type, satisfy requirement of explosion proof; Conventional instrumentation and steering logic are adopted in system configuration and logical design, satisfy the control system requirement.
When pressure switch 2 reaches set point (when the pressure sensed of pressure switch 2 is lower than the driller house indoor positive pressure), pressure switch 2 is introduced PLC electrical control cubicles 1 with the pressure switch alerting signal.After PLC electrical control cubicles 1 receives the pressure switch alerting signal, send the positive draft alerting signal to positive draft warning dish 3, send the power supply trip signal to the secondary circuit contact 4 of isolating switch simultaneously.Positive draft warning dish 3 receives the positive draft alerting signal, and starts alarm lamp 31 and public alarm hummer 32.The secondary circuit contact 4 of isolating switch receives the power supply trip signal, the current supply circuit of driller house exhaust blower 7 and the non-antiknock device 8 of driller house is threaded off, thereby cut off driller house exhaust blower 7 and the non-antiknock device 8 of driller house.Like this, when pressure switch 2 reached set point, PLC electrical control cubicles 1 can start alarm lamp 31 and public alarm hummer 32, and closed driller house exhaust blower 7 and the non-antiknock device 8 of driller house.
Be provided with pilot lamp 51 on the automatically controlled display screen 5 of PLC electrical control cubicles 1, but the synchronous display system malleation is reported to the police.When PLC electrical control cubicles 1 receives the pressure switch alerting signal, start this pilot lamp 51.
The utility model is by increasing pressure switch 2 and panalarm, and by driller PLC and internal heat system interlocked control security system equipment, the security of system rank is high, except mechanical fault, can avoid other potential safety hazard, precision is high, cost is low, has high economic benefit and social benefit.
Although the above is described preferred embodiment of the present utility model by reference to the accompanying drawings; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away from the scope situation that the utility model aim and claim protect, can also make the concrete conversion of a lot of forms, these all belong within the protection domain of the present utility model.
Claims (3)
1. driller house positive pressure control system with interlock, comprise the PLC electrical control cubicles, it is characterized in that, be provided with the pressure switch that is connected with described PLC electrical control cubicles in the driller house air draft pipeline, the described PLC electrical control cubicles positive draft warning dish interior with being arranged on driller house is connected, be provided with alarm lamp and public alarm hummer on the described positive draft warning dish, be provided with isolating switch on the current supply circuit of driller house exhaust blower and the non-antiknock device of driller house, the secondary circuit contact of described isolating switch is connected with described PLC electrical control cubicles;
When the pressure that described pressure switch is sensed is lower than the driller house indoor positive pressure, send the pressure switch alerting signal to described PLC electrical control cubicles; Described PLC electrical control cubicles receives the pressure switch alerting signal, goes out the positive draft alerting signal and sends the power supply trip signal to the secondary circuit contact of described isolating switch to described positive draft warning hair updo; Described positive draft warning dish receives described positive draft alerting signal, and starts described alarm lamp and described public alarm hummer; The secondary circuit contact of described isolating switch receives described power supply trip signal, and the current supply circuit of described driller house exhaust blower and the non-antiknock device of described driller house is threaded off.
2. a kind of driller house positive pressure control system with interlock according to claim 1, it is characterized in that, be provided with pilot lamp on the automatically controlled display screen of described PLC electrical control cubicles, described PLC electrical control cubicles receives described pressure switch alerting signal, starts described pilot lamp.
3. a kind of driller house positive pressure control system with interlock according to claim 1, it is characterized in that, between described pressure switch and the described PLC electrical control cubicles, between described PLC electrical control cubicles and the described positive draft warning dish, all adopt armouring low smoke and zero halogen shipboard cable between the secondary circuit contact of described PLC electrical control cubicles and described isolating switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320198517 CN203259899U (en) | 2013-04-18 | 2013-04-18 | Driller room positive-pressure control system with interlocking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320198517 CN203259899U (en) | 2013-04-18 | 2013-04-18 | Driller room positive-pressure control system with interlocking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203259899U true CN203259899U (en) | 2013-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320198517 Expired - Fee Related CN203259899U (en) | 2013-04-18 | 2013-04-18 | Driller room positive-pressure control system with interlocking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203259899U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107645875A (en) * | 2017-09-11 | 2018-01-30 | 大庆宏富来电气设备制造有限公司 | Positive pressure anti-explosion controlling cubicle |
| CN108089506A (en) * | 2018-02-14 | 2018-05-29 | 敖江昵 | Drive Drilling Control optimization device in top |
-
2013
- 2013-04-18 CN CN 201320198517 patent/CN203259899U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107645875A (en) * | 2017-09-11 | 2018-01-30 | 大庆宏富来电气设备制造有限公司 | Positive pressure anti-explosion controlling cubicle |
| CN108089506A (en) * | 2018-02-14 | 2018-05-29 | 敖江昵 | Drive Drilling Control optimization device in top |
| CN108089506B (en) * | 2018-02-14 | 2024-05-24 | 北京鹏风科技有限公司 | Top drive well drilling control optimizing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20160418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |