CN102169605B - High-voltage chamber access control system - Google Patents
High-voltage chamber access control system Download PDFInfo
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- CN102169605B CN102169605B CN 201010136172 CN201010136172A CN102169605B CN 102169605 B CN102169605 B CN 102169605B CN 201010136172 CN201010136172 CN 201010136172 CN 201010136172 A CN201010136172 A CN 201010136172A CN 102169605 B CN102169605 B CN 102169605B
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Abstract
The invention discloses a converting station high-voltage chamber access control system which comprises an on-off control circuit, a voice circuit, an exhaust fan power-supply control circuit and a high-voltage access control circuit; wherein one end of the on-off control circuit is connected with a power supply positive pole, the other end of the on-off control circuit is connected with one ends of the voice circuit, the exhaust fan power-supply control circuit and the high-voltage chamber access control circuit; and the other ends of the voice circuit, the exhaust fan power-supply control circuit and the high-voltage chamber access control circuit are respectively connected with power supply negative pole. In the invention, the converting station safety management is enhanced, an access door of a high-voltage chamber is shut off, the access door of the high-voltage chamber is automatically opened after the high-voltage chamber is exhausted for fifteen minutes; voiced safety prompts are provided to people entering the access door of the high-voltage chamber for reminding the people entering the high-voltage chamber of a transformer substation of attending safety, therefore, safety reliability of people entering a danger region of the high-voltage chamber is enhanced.
Description
Technical field
The present invention relates to the high-voltage chamber access control system of transformer station, is a kind of voice safety instruction and control method thereof when being applied to transformer substation high voltage chamber and entering.
Background technology
At present, along with the industrial and agricultural production great development, national economy improves rapidly, living standards of the people constantly promote, power industry is also developed on an unprecedented scale, and the nationwide integrated power grid construction is maked rapid progress, because the anxious huge minimizing in national soil, save the land use policy for responding country, the power industry construction takes various technical measures to save the soil application.Use wherein for saving soil, converting equipment is installed in indoor, build into indoor substation.Because SF6 gas is adopted in the insulation of modern high-voltage electrical equipment, SF6 gas produces toxic gas under the effect of electric arc, be pernicious to people.The large gas leakage of SF6 specific gravity of gas all is to sink to ground, rules require the hyperbaric chamber exhaust fan that on the ground 20CM place is installed for this reason, for guaranteeing that rules require at first exhaust to be carried out 15 minutes in the hyperbaric chamber for entering the hyperbaric chamber personal security, toxic gas is discharged, and personnel just can enter the hyperbaric chamber.The management such as leader, operations staff, overhaul of the equipments personnel, external visit personnel that enter now transformer substation high voltage chamber are comparatively extensive, not too perfect concerning the safety guarantee of transformer station, invent a kind of voice safety instruction and automatic control system thereof when entering for transformer substation high voltage chamber for this reason.
The present invention enters the personnel of transformer substation high voltage chamber door to give the sound safety instruction of voice, and the hyperbaric chamber entered carry out locking, carry out exhaust after 15 minutes in the hyperbaric chamber, the hyperbaric chamber door is opened automatically, strengthened like this safety management of transformer station, reminded to enter transformer substation high voltage chamber door personnel and take care, strengthened the safe reliability that they enter the hazardous location, hyperbaric chamber.
Summary of the invention
High-voltage chamber access control system comprises ON-OFF control circuit, sound circuit, exhaust fan power control circuit, hyperbaric chamber gate control circuit; Described ON-OFF control circuit one end connects positive source, the other end connects respectively described sound circuit, exhaust fan power control circuit, hyperbaric chamber gate control circuit one end, and described sound circuit, exhaust fan power control circuit, the hyperbaric chamber gate control circuit other end connect respectively power cathode.
Described ON-OFF control circuit comprises a metal electrode, a transistor, a thyristor, a relay; Described transistor has three utmost points, difference B, C, E, and described thyristor has three utmost points, respectively T1, T2, G; Described metal electrode connects the described transistor B utmost point, the described transistor C utmost point connects positive source, the described transistor E utmost point connects the described thyristor G utmost point, the described thyristor T2 utmost point connects power cathode, the described thyristor T1 utmost point connects described relay coil one end, and the described relay coil other end connects positive source.
Described sound circuit comprises time-base integrated circuit, speech IC, acoustics circuit; Described time-base integrated circuit connects described speech IC, and speech IC connects described acoustics circuit;
Wherein: described time-base integrated circuit comprises the relay adhesive contact K of ON-OFF control circuit, 1, one potentiometer RP1 of a resistance R, and basis set becomes 1, one capacitor of chip IC in the time of one; Basis set becomes chip that 6 terminations are arranged when described, is respectively 1,2,3,4,5,6; Basis set becomes chip 1 termination to connect power cathode when described, described 2 terminations are connected with an end, described resistance R 1 one ends of the relay adhesive contact of described ON-OFF control circuit, described 3 terminations are connected with described potentiometer RP2 one end, described 4,6 terminations are connected with described positive source respectively, described 5 terminations are connected with described capacitor one end, and the capacitor other end connects power cathode; The other end of the relay adhesive contact K of described ON-OFF control circuit connects the end of described potentiometer RP1, and the other end of described potentiometer RP1 connects positive source, and described resistance R 1 other end connects power cathode;
Described speech IC comprises 2, one potentiometer RP2 of a resistance R, a chipspeech IC2; Described chipspeech has 4 terminations, is respectively 1,2,3,4; Described IC2 chipspeech 1 termination connects power cathode, described 2 terminations connect the end of described potentiometer RP2, described 3 terminations connect an end of described resistance R 2, described 4 terminations connect the B utmost point of described transistor V1, the other end of described potentiometer RP2 connects 3 terminations that basis set when described becomes chip IC 1, and the other end of described resistance R 2 connects positive source;
Described acoustics circuit comprises loudspeaker, two transistors; Two transistors are respectively V1, V2, and described transistor has three utmost points, is respectively B, C, E; The B utmost point of described transistor V1 connects 4 terminations of described chipspeech IC2, the E utmost point of described transistor V1 connects the B utmost point of described transistor V2, the C utmost point of described transistor V1 is connected with the C utmost point of described transistor V2, described loudspeaker one end respectively, the E utmost point of described transistor V2 connects power cathode, and the described loudspeaker other end connects positive source.
Described exhaust fan power control circuit comprises two relays, the adhesive contact K of the relay of on-off circuit; Two relays are respectively KM, KM1, and KM is the time relay; Described relay K M1 coil one end connects described time relay KM coil one end, and the time relay KM coil other end connects adhesive contact K one end of the relay of described on-off circuit, and the adhesive contact K other end of on-off circuit connects positive source; The described relay K M1 coil other end connects power cathode.
Described hyperbaric chamber gate control circuit comprises a relay K M2, the adhesive contact KM of the time relay of exhaust fan power control circuit, the adhesive contact K of the relay of on-off circuit; Described relay K M2 coil one end connects power cathode, the relay K M2 coil other end connects adhesive contact KM one end of the time relay of described exhaust fan power control circuit, the adhesive contact KM other end of the time relay connects adhesive contact K one end of the relay of described on-off circuit, and the adhesive contact K other end of the relay of on-off circuit connects positive source.
This high-voltage chamber access control system is to utilize advanced electronic technology, develop a kind of safety management for the transformer substation high voltage chamber door, the relative prior art of the present invention has outstanding substantive distinguishing features and significant progressive, specifically, this high-voltage chamber access control system technical progress, reasonable in design, desirable realization the safety management of transformer substation high voltage chamber door, will play positive guarantee effect for electric power netting safe running, the concrete advantage of this high-voltage chamber access control system:
High-voltage chamber access control system of the present invention, give the sound safety instruction of voice for the personnel that enter transformer substation high voltage chamber, and the hyperbaric chamber entered carry out locking, reminded the personnel that enter the transformer substation high voltage chamber door to take care, strengthen their the region security reliability that enters that Keep Clear-High Voltage.Strengthen the safety management of transformer station, greatly improved the personal security that enters the transformer substation high voltage chamber door, improved power supply reliability, promoted the effect of substation safety management integral level.
Description of drawings
Fig. 1 is high-voltage chamber access control system structural drawing of the present invention;
Fig. 2 is ON-OFF control circuit wiring diagram of the present invention.
Fig. 3 is sound circuit wiring diagram of the present invention
Fig. 4 is exhaust fan power control circuit wiring diagram of the present invention
Fig. 5 is hyperbaric chamber of the present invention gate control circuit wiring diagram
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is high-voltage chamber access control system structural drawing of the present invention, comprises ON-OFF control circuit 1, sound circuit 2, exhaust fan power control circuit 3, hyperbaric chamber gate control circuit 4; Described ON-OFF control circuit one end connects positive source, the other end connects respectively described sound circuit, exhaust fan power control circuit, hyperbaric chamber gate control circuit one end, and described sound circuit, exhaust fan power control circuit, the hyperbaric chamber gate control circuit other end connect respectively power cathode.
High-voltage chamber access control system is mounted on the hyperbaric chamber door wall on one side, when having personnel to enter the hyperbaric chamber door, at first touch metal electrode with hand, with the relay contact closure of ON-OFF control circuit, this moment sound circuit, exhaust fan power control circuit, hyperbaric chamber gate control circuit plugged; After sound circuit was connected, sent " exhaust 15 minute back pullout (BPO) " in the loudspeaker this moment; After the exhaust fan power control circuit was connected, exhaust began, and the time relay of hyperbaric chamber gate control circuit started time-delay after 15 minutes, connected hyperbaric chamber gate control circuit power supply, and exhaust this moment finishes, and door is opened automatically; Send simultaneously the sound of " exhaust can be entered in 15 minutes, asked hard hat required at all times, noted keeping a safe distance " in the loudspeaker of sound circuit, remind the comrades that enter the hyperbaric chamber to take care.
Fig. 2 is ON-OFF control circuit wiring diagram of the present invention.Described ON-OFF control circuit comprises a metal electrode A, a transistor V, a thyristor VT, a relay K; Described transistor has three utmost points, difference B, C, E, and described thyristor has three utmost points, respectively T1, T2, G; Described metal electrode connects the described transistor B utmost point, the described transistor C utmost point connects positive source, the described transistor E utmost point connects the described thyristor G utmost point, the described thyristor T2 utmost point connects power cathode, the described thyristor T1 utmost point connects described relay one end, and the described relay other end connects positive source.
ON-OFF control circuit is installed on the hyperbaric chamber door wall on one side, when having personnel to enter the hyperbaric chamber door, at first touch metal electrode A with hand, the transistor conducting, trigger also conducting of thyristor, make relay coil energising contact adhesive, at this moment sound circuit, exhaust fan power control circuit, hyperbaric chamber gate control circuit plugged.
Fig. 3 is sound circuit wiring diagram of the present invention, and described sound circuit comprises time-base integrated circuit, speech IC, acoustics circuit; Described time-base integrated circuit connects described speech IC, and speech IC connects described acoustics circuit;
Wherein: described time-base integrated circuit comprises the relay adhesive contact K of on-off circuit, 1, one potentiometer RP1 of a resistance R, and basis set becomes 1, one capacitor C of chip IC in the time of one; Basis set becomes chip that 6 terminations are arranged when described, is respectively 1,2,3,4,5,6; Basis set becomes chip 1 termination to connect power cathode when described, 2 terminations of described time-base integrated circuit connect the relay adhesive contact K of described resistance R 1 one ends, on-off circuit, described 3 terminations are connected with described potentiometer RP2 one end, described 4,6 terminations are connected with described positive source respectively, described 5 terminations are connected with described capacitor one end, and the capacitor other end connects power cathode; The other end of the relay adhesive contact of on-off circuit connects the end of described potentiometer RP1, and the other end of described potentiometer RP1 connects positive source, and described resistance R 1 other end connects power cathode;
Described speech IC comprises 2, one potentiometer RP2 of a resistance R, a chipspeech IC2; Described chipspeech has 4 terminations, is respectively 1,2,3,4; Described IC2 chipspeech 1 termination connects power cathode, described 2 terminations connect the end of described potentiometer RP2, described 3 terminations connect an end of described resistance R 2, described 4 terminations connect the B utmost point of described transistor V1, the other end of described potentiometer RP2 connects 3 terminations that basis set when described becomes chip IC 1, and the other end of described resistance R 2 connects positive source;
Described acoustics circuit comprises loudspeaker, two transistors; Two transistors are respectively V1, V2, and described transistor has three utmost points, is respectively B, C, E; The B utmost point of described transistor V1 connects 4 terminations of described chipspeech IC2, the E utmost point of described transistor V1 connects the B utmost point of described transistor V2, and the C utmost point of described transistor V1 is connected with the C utmost point of described transistor V2, described loudspeaker one end respectively; The E utmost point of described transistor V2 connects power cathode, and the described loudspeaker other end connects positive source.
Normal hyperbaric chamber door is in off-position, when there being the human hand to touch metal electrode A, and the relay contact adhesive of on-off circuit, at this moment, time-base integrated circuit, speech IC plugged.The time basis set become the time of chip to be set as 0 second and 15 minutes, send " air draft back pullout (BPO) in 15 minutes " in the time of 0 second in the loudspeaker, send the sound of " exhaust can be entered in 15 minutes; ask hard hat required at all times; note keeping a safe distance " after 15 minutes in the sound circuit loudspeaker, after sound equipment sent voice and reaches setting-up time, sound equipment stopped automatically.
Fig. 4 is exhaust fan power control circuit wiring diagram of the present invention, and described exhaust fan power control circuit comprises two relays, the adhesive contact K of the relay of on-off circuit; Two relays are respectively KM, KM1, KM is the time relay, described relay K M1 coil one end connects described time relay KM coil one end, the time relay KM coil other end connects adhesive contact K one end of the relay of described on-off circuit, and the relay adhesive contact K other end of on-off circuit connects positive source; The relay K M1 coil other end connects power cathode.
When having personnel to enter the hyperbaric chamber door, at first touch metal electrode with hand, the relay contact adhesive of on-off circuit is wherein connected the exhaust of exhaust fan power control circuit and is begun, the exhaust fan exhaust is time relay startup after 15 minutes, connects hyperbaric chamber gate control circuit power supply.
Fig. 5 is hyperbaric chamber of the present invention gate control circuit wiring diagram, and described hyperbaric chamber gate control circuit comprises a relay K M2, the adhesive contact KM of the time relay of exhaust fan power control circuit, the adhesive contact K of the relay of on-off circuit; Described relay K M2 coil one end connects power cathode, the relay K M2 coil other end connects adhesive contact KM one end of the time relay of described exhaust fan power control circuit, the adhesive contact KM other end of the time relay connects relay adhesive contact K one end of described on-off circuit, and the adhesive contact K other end of the relay of on-off circuit connects positive source.
Time relay setting-up time is 15 minutes.
When having personnel to enter the hyperbaric chamber door, at first touch metal electrode with hand, the relay contact adhesive of on-off circuit, wherein connect 15 minutes back contact KM of time relay time-delay adhesive of exhaust fan power control circuit, that is to say that exhaust finished in 15 minutes, this moment the hyperbaric chamber gate control circuit power connection, door is opened automatically, send simultaneously the sound of " exhaust can be entered in 15 minutes; ask hard hat required at all times; note keeping a safe distance " in the loudspeaker of sound circuit, remind the comrades that enter the hyperbaric chamber to take care.
What the hyperbaric chamber door controller was controlled is a helix tube type electromagnet, and electromagnet is opened iron core suction door during plugged, and iron core ejects at the spring-force driven dual lower core and inserts door bolt during power failure, stops and opens the door.
Hyperbaric chamber gate control circuit and exhaust fan power control circuit are lockings, only have air draft to finish, hyperbaric chamber gate control circuit ability plugged, and Men Caineng opens.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (1)
1. a high-voltage chamber access control system is characterized in that: comprise ON-OFF control circuit, sound circuit, exhaust fan power control circuit, hyperbaric chamber gate control circuit; Described ON-OFF control circuit one end connects positive source, the other end connects respectively described sound circuit, exhaust fan power control circuit, hyperbaric chamber gate control circuit one end, and described sound circuit, exhaust fan power control circuit, the hyperbaric chamber gate control circuit other end connect respectively power cathode;
Described ON-OFF control circuit comprises a metal electrode, a transistor, a thyristor, a relay; Described transistor has three utmost points, difference B, C, E, and described thyristor has three utmost points, respectively T1, T2, G; Described metal electrode connects the described transistor B utmost point, the described transistor C utmost point connects positive source, the described transistor E utmost point connects the described thyristor G utmost point, the described thyristor T2 utmost point connects power cathode, the described thyristor T1 utmost point connects described relay coil one end, and the described relay coil other end connects positive source;
Described sound circuit comprises time-base integrated circuit, speech IC, acoustics circuit; Described time-base integrated circuit connects described speech IC, and speech IC connects described acoustics circuit;
Wherein: described time-base integrated circuit comprises the relay adhesive contact K of ON-OFF control circuit, 1, one potentiometer RP1 of a resistance R, and basis set becomes 1, one capacitor of chip IC in the time of one; Basis set becomes chip that 6 terminations are arranged when described, is respectively 1,2,3,4,5,6; Basis set becomes chip 1 termination to connect power cathode when described, described 2 terminations are connected with an end, described resistance R 1 one ends of the relay adhesive contact of described ON-OFF control circuit, described 3 terminations are connected with described potentiometer RP2 one end, described 4,6 terminations are connected with described positive source respectively, described 5 terminations are connected with described capacitor one end, and the capacitor other end connects power cathode; The other end of the relay adhesive contact K of described ON-OFF control circuit connects the end of described potentiometer RP1, and the other end of described potentiometer RP1 connects positive source, and described resistance R 1 other end connects power cathode;
Described speech IC comprises 2, one potentiometer RP2 of a resistance R, a chipspeech IC2; Described chipspeech has 4 terminations, is respectively 1,2,3,4; Described IC2 chipspeech 1 termination connects power cathode, described 2 terminations connect the end of described potentiometer RP2, described 3 terminations connect an end of described resistance R 2, described 4 terminations connect the B utmost point of described transistor V1, the other end of described potentiometer RP2 connects 3 terminations that basis set when described becomes chip IC 1, and the other end of described resistance R 2 connects positive source;
Described acoustics circuit comprises loudspeaker, two transistors; Two transistors are respectively V1, V2, and described transistor has three utmost points, is respectively B, C, E; The B utmost point of described transistor V1 connects 4 terminations of described chipspeech IC2, the E utmost point of described transistor V1 connects the B utmost point of described transistor V2, the C utmost point of described transistor V1 is connected with the C utmost point of described transistor V2, described loudspeaker one end respectively, the E utmost point of described transistor V2 connects power cathode, and the described loudspeaker other end connects positive source;
Described exhaust fan power control circuit comprises two relays, the adhesive contact K of the relay of on-off circuit; Two relays are respectively KM, KM1, and KM is the time relay; Described relay K M1 coil one end connects described time relay KM coil one end, and the time relay KM coil other end connects adhesive contact K one end of the relay of described on-off circuit, and the adhesive contact K other end of on-off circuit connects positive source; The described relay K M1 coil other end connects power cathode;
Described hyperbaric chamber gate control circuit comprises a relay K M2, the adhesive contact KM of the time relay of exhaust fan power control circuit, the adhesive contact K of the relay of on-off circuit; Described relay K M2 coil one end connects power cathode, the relay K M2 coil other end connects adhesive contact KM one end of the time relay of described exhaust fan power control circuit, the adhesive contact KM other end of the time relay connects adhesive contact K one end of the relay of described on-off circuit, and the adhesive contact K other end of the relay of on-off circuit connects positive source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010136172 CN102169605B (en) | 2010-02-26 | 2010-02-26 | High-voltage chamber access control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010136172 CN102169605B (en) | 2010-02-26 | 2010-02-26 | High-voltage chamber access control system |
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| Publication Number | Publication Date |
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| CN102169605A CN102169605A (en) | 2011-08-31 |
| CN102169605B true CN102169605B (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010136172 Expired - Fee Related CN102169605B (en) | 2010-02-26 | 2010-02-26 | High-voltage chamber access control system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201149350Y (en) * | 2007-12-13 | 2008-11-12 | 承方 | Intelligence temperature-control draft regulator |
| CN201242247Y (en) * | 2008-07-16 | 2009-05-20 | 河南省电力公司洛阳供电公司 | Automatic and remote control ventilation device |
| CN201270384Y (en) * | 2008-11-01 | 2009-07-08 | 广东中电华强变压器有限公司 | High voltage/low voltage pre-mounting transformer plant |
| CN201383630Y (en) * | 2009-04-23 | 2010-01-13 | 丁艺 | Pre-fabricated substation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7752858B2 (en) * | 2002-11-25 | 2010-07-13 | American Power Conversion Corporation | Exhaust air removal system |
-
2010
- 2010-02-26 CN CN 201010136172 patent/CN102169605B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201149350Y (en) * | 2007-12-13 | 2008-11-12 | 承方 | Intelligence temperature-control draft regulator |
| CN201242247Y (en) * | 2008-07-16 | 2009-05-20 | 河南省电力公司洛阳供电公司 | Automatic and remote control ventilation device |
| CN201270384Y (en) * | 2008-11-01 | 2009-07-08 | 广东中电华强变压器有限公司 | High voltage/low voltage pre-mounting transformer plant |
| CN201383630Y (en) * | 2009-04-23 | 2010-01-13 | 丁艺 | Pre-fabricated substation |
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| Publication number | Publication date |
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| CN102169605A (en) | 2011-08-31 |
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