CN103761823A - Railway oil depot electric spark protection device - Google Patents
Railway oil depot electric spark protection device Download PDFInfo
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- CN103761823A CN103761823A CN201110322459.XA CN201110322459A CN103761823A CN 103761823 A CN103761823 A CN 103761823A CN 201110322459 A CN201110322459 A CN 201110322459A CN 103761823 A CN103761823 A CN 103761823A
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- signal
- alarm
- current potential
- oil
- backflow switch
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Abstract
The invention discloses a railway oil depot electric spark protection device. The objective of the invention is to ensure safe operation in oil loading and unloading of an oil depot on a special electrical oil line. According to the railway oil depot electric spark protection device, linkage control can be established for electric spark protection equipment such as a backflow switch, a signal lamp, an oil gas concentration alarm and a potential alarm. Thus, with the railway oil depot electric spark protection device adopted, electric sparks and risks in locomotive current which are caused by factors such as work area potential elevation can be avoided.
Description
Technical field
The present invention relates to a kind of oil depot safeguard, relate in particular to railway oil plant storehouse electric spark protective device.
Background technology
Oil plant railway, implementing after electrification innovation, because the voltage on electrification railway contact net is very high, and can form rail return current on rail, and during handling oil plant, tank wagon and oil filling riser can produce electric spark, and the safety of oil depot etc. is threatened.
Existing oil depot electric spark protection device, general main five the part compositions such as insulation isolated part, drainage grounded part, pressure-equalizing device, backflow switch and warning device that comprise.Wherein insulate isolated part on can the rail and metallic conduit of conduction current, be used for blocking operation area that conduction current flows to oil depot, reserve etc.; Drainage grounded part is the earthing device very little by stake resistance, and electric current is entered to the earth, and the potential drop of drainage point is got off; Pressure-equalizing device is to make to be equipotential state between industrial siding and oil filling riser, eliminates the potential difference (PD) between the two, directly avoids the generation of electric spark; Backflow switch box is while entering reservoir area for electric locomotive, and protection electric spark and the rail insulation established must temporarily be connected, so that electric current can prolong rail return current; Alarm is to monitor to show in operation area, whether rail transfinites to position, place.
Existing protective device as above, each safeguard is in the state of working alone, operate inadequate hommization, in the not closed situation of switch box, sail track into, rail insulation causes the locomotive electric current cannot be along rail return current, force locomotive electric current from line residual current, reservoir area earth potential is raise, carry out great hidden danger to oil depot securing band.
Summary of the invention
Technical matters to be solved by this invention is to be to provide railway oil plant storehouse electric spark protective device, the job safety when guaranteeing oil depot loading and unloading oils material on electrified oil plant industrial siding.
In order to solve the problems of the technologies described above, the invention provides railway oil plant storehouse electric spark protective device, comprise oil gas probe, oil gas alarm, current potential probe, current potential alarm, control circuit, backflow switch, teleseme, warning lamp and central control board, wherein:
Oil gas probe, surveys gas concentration;
Oil gas alarm, is connected with described oil gas probe, gives the alarm, and produce the gas concentration signal that exceeds standard and send to control circuit at described oil gas probe detection when gas concentration exceeds standard;
Current potential probe, the earth potential of detection loading and unloading oils workspace;
Current potential alarm, is connected with described current potential probe, pops one's head in while workspace earth potential being detected higher than default alarming value and gives the alarm, and produce the current potential signal that exceeds standard and send to control circuit at described current potential;
Control circuit, is connected with described oil gas alarm, current potential alarm, backflow switch, warning lamp and central control board, receives exceed standard signal and/or current potential of described gas concentration and exceeds standard after signal, to described central control board, sends alerting signal; Receive after the working signal of described central control board transmission, to described backflow switch, send closure signal, to described warning lamp, send operation signal; Receive after the silence signal of described central control board transmission, to described backflow switch, send cut-off signal, to described warning lamp, send and forbid operation signal; The also operating state data of oil gas alarm, current potential alarm, backflow switch, warning lamp and central control board described in Real-time Collection, records the duty of described oil gas alarm, current potential alarm, backflow switch and warning lamp;
Backflow switch, receives after described closure signal closedly, disconnects after receiving described cut-off signal;
Teleseme, is connected with described backflow switch, when described backflow switch is closed, to locomotive, shows right of way signal, when described backflow switch disconnects, to locomotive, shows and forbids signal of communication;
Warning lamp, is connected with described control circuit, shows operation signal after receiving described operation signal, forbids showing and forbidding operation signal after operation signal described in receiving;
Central control board, receives described alerting signal, to control circuit, sends described working signal or described silence signal, shows the duty of described oil gas alarm, current potential alarm, backflow switch and warning lamp simultaneously.
Preferably, described backflow switch is high withstand voltage vacuum contactor.
Preferably, the line both sides of described backflow switch respectively arrange one group of voltage protector.
Preferably, described teleseme, is railway signal special signal machine.
Preferably, the shape differentiation of described teleseme is in the profile of described warning lamp.
Preferably, this equipment also comprises data processing equipment, is connected with described control circuit, records the described operating state data that described control circuit gathers, and described operating state data is made into file storage.
Preferably, described data processing equipment comprises visualization interface.
Preferably, described data processing equipment is industrial control computer.
Compared with prior art, the present invention sets up interlock to electric spark safeguards such as backflow switch, signal lamp, alrms for oil-gas concentration, current potential alarms and controls, can avoid locomotive electric current is workspace potential rise and produce spark and cause danger, and high-tension electricity burns backflow switch and insulation and produce spark and cause danger.
Accompanying drawing explanation
Fig. 1 is the composition schematic diagram of the embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 shows the composition schematic diagram of one embodiment of the invention.As shown in Figure 1, the safeguard of the present embodiment mainly comprises oil gas probe 105, oil gas alarm 110, current potential probe 115, current potential alarm 120, control circuit 130, backflow switch 135, teleseme 140, warning lamp 150, central control board 160 and data processing equipment 170, wherein:
Oil gas probe 105, surveys gas concentration;
Current potential probe 115, the earth potential of detection loading and unloading oils workspace;
Current potential alarm 120, is connected with current potential probe 115, pops one's head in and 115 gives the alarm while workspace earth potential being detected higher than default alarming value, and produce the current potential signal that exceeds standard and send to control circuit 130 at current potential;
Backflow switch 135, is connected with control circuit 130, receives after the closure signal that control circuit 130 sends closed; After receiving the cut-off signal that control circuit 130 sends, disconnect;
Teleseme 140, is connected with backflow switch 135, adopts railway signal special signal machine, when backflow switch 135 is closed, to locomotive, show right of way signal (such as green light), when backflow switch 135 disconnects, to locomotive, show and forbid signal of communication (such as when red); Can effectively prevent that accordingly locomotive from rashly sailing operation area under the not closed state of backflow switch 135;
Warning lamp 150, be connected with control circuit 130, be arranged on oil loading and unloading district, show operation signal (such as green light) after receiving the operation signal that control circuit 130 sends, to staff, show and can also to enter operation area, carry out oil loading and unloading; Forbidding of receiving that control circuit 130 sends shows and forbids operation signal (such as when red) after operation signal, to staff, shows that can not enter operation area carries out oil loading and unloading;
Data processing equipment 170, is connected with control circuit 130, and the operating state data that record control circuit 130 gathers, is made into file by recorded operating state data and inquiry is in the future prepared against in storage.
Backflow switch 135 is selected high withstand voltage vacuum contactor, has significantly improved voltage endurance capability and arc extinguishing ability, and thoroughly the abatement apparatus long insulation causing service time declines so that produces sparking harm even on fire; In order to eliminate the harm of issuable transient overvoltage to backflow switch 135, in the line both sides of backflow switch 135, one group of voltage protector is respectively set respectively.
Above-mentioned backflow switch 135 is provided with three kinds of mode of operations, is respectively manual operation, local operation and straighforward operation, wherein:
Manual operation adopts mechanical system to realize being switched on or switched off of backflow switch 135 when without operating power;
Local operation, closes a point backflow switch 135 on the spot;
Straighforward operation, controls at a distance closing point of backflow switch 135 manually or automatically.
For the ease of staff identification, warning lamp 150 is different from teleseme 140 in shape, can effectively prevent from the situations such as gas concentration, voltage over standard that staff enters workspace to carry out loading and unloading oils operation.
On data processing equipment 170, be also provided with visualization interface, to facilitate, carry out visual connection.Data processing equipment 170 can be industrial control computer.
The present invention is according to electric locomotive job procedure, oil loading and unloading program, the electric spark safeguards such as backflow switch, signal lamp, alrms for oil-gas concentration, current potential alarm are set up to interlock to be controlled, can avoid locomotive electric current is workspace potential rise and produce spark and cause danger, and high-tension electricity burns backflow switch and insulation and produce spark and cause danger.The each equipment state of Real-time Collection, is processed gathered data by data processing equipment.Visualization interface is set on data processing equipment, for visual connection in the future simultaneously.
Although the disclosed embodiment of the present invention as above, the embodiment that described content just adopts for the ease of understanding the present invention, not in order to limit the present invention.Technician in any the technical field of the invention; do not departing under the prerequisite of the disclosed spirit and scope of the present invention; can do any modification and variation what implement in form and in details; but scope of patent protection of the present invention, still must be as the criterion with the scope that appending claims was defined.
Claims (8)
1. railway oil plant storehouse electric spark protective device, is characterized in that, comprises oil gas probe, oil gas alarm, current potential probe, current potential alarm, control circuit, backflow switch, teleseme, warning lamp and central control board, wherein:
Oil gas probe, surveys gas concentration;
Oil gas alarm, is connected with described oil gas probe, gives the alarm, and produce the gas concentration signal that exceeds standard and send to control circuit at described oil gas probe detection when gas concentration exceeds standard;
Current potential probe, the earth potential of detection loading and unloading oils workspace;
Current potential alarm, is connected with described current potential probe, pops one's head in while workspace earth potential being detected higher than default alarming value and gives the alarm, and produce the current potential signal that exceeds standard and send to control circuit at described current potential;
Control circuit, is connected with described oil gas alarm, current potential alarm, backflow switch, warning lamp and central control board, receives exceed standard signal and/or current potential of described gas concentration and exceeds standard after signal, to described central control board, sends alerting signal; Receive after the working signal of described central control board transmission, to described backflow switch, send closure signal, to described warning lamp, send operation signal; Receive after the silence signal of described central control board transmission, to described backflow switch, send cut-off signal, to described warning lamp, send and forbid operation signal; The also operating state data of oil gas alarm, current potential alarm, backflow switch, warning lamp and central control board described in Real-time Collection, records the duty of described oil gas alarm, current potential alarm, backflow switch and warning lamp;
Backflow switch, receives after described closure signal closedly, disconnects after receiving described cut-off signal;
Teleseme, is connected with described backflow switch, when described backflow switch is closed, to locomotive, shows right of way signal, when described backflow switch disconnects, to locomotive, shows and forbids signal of communication;
Warning lamp, is connected with described control circuit, shows operation signal after receiving described operation signal, forbids showing and forbidding operation signal after operation signal described in receiving;
Central control board, receives described alerting signal, to control circuit, sends described working signal or described silence signal, shows the duty of described oil gas alarm, current potential alarm, backflow switch and warning lamp simultaneously.
2. oil depot electric spark protection device as claimed in claim 1, is characterized in that:
Described backflow switch is high withstand voltage vacuum contactor.
3. oil depot electric spark protection device as claimed in claim 1, is characterized in that:
The line both sides of described backflow switch respectively arrange one group of voltage protector.
4. oil depot electric spark protection device as claimed in claim 1, is characterized in that:
Described teleseme is railway signal special signal machine.
5. oil depot electric spark protection device as claimed in claim 1, is characterized in that:
The shape differentiation of described teleseme is in the profile of described warning lamp.
6. oil depot electric spark protection device as claimed in claim 1, is characterized in that, this equipment also comprises:
Data processing equipment, is connected with described control circuit, records the described operating state data that described control circuit gathers, and described operating state data is made into file storage.
7. oil depot electric spark protection device as claimed in claim 6, is characterized in that:
Described data processing equipment comprises visualization interface.
8. oil depot electric spark protection device as claimed in claim 6, is characterized in that:
Described data processing equipment is industrial control computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110322459.XA CN103761823A (en) | 2011-10-21 | 2011-10-21 | Railway oil depot electric spark protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110322459.XA CN103761823A (en) | 2011-10-21 | 2011-10-21 | Railway oil depot electric spark protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103761823A true CN103761823A (en) | 2014-04-30 |
Family
ID=50529054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110322459.XA Pending CN103761823A (en) | 2011-10-21 | 2011-10-21 | Railway oil depot electric spark protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103761823A (en) |
-
2011
- 2011-10-21 CN CN201110322459.XA patent/CN103761823A/en active Pending
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Legal Events
| Date | Code | Title | Description |
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| DD01 | Delivery of document by public notice |
Addressee: Chen Zhongya Document name: Notification of Passing Preliminary Examination of the Application for Invention |
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| C06 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice |
Addressee: Chen Zhongya Document name: Notification of Publication of the Application for Invention |
|
| DD01 | Delivery of document by public notice |
Addressee: Chen Zhongya Document name: Notification of before Expiration of Request of Examination as to Substance |
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| DD01 | Delivery of document by public notice |
Addressee: Chen Zhongya Document name: Notification that Application Deemed to be Withdrawn |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140430 |