CN201466671U - Oil depot electric spark protection device - Google Patents
Oil depot electric spark protection device Download PDFInfo
- Publication number
- CN201466671U CN201466671U CN2009201066299U CN200920106629U CN201466671U CN 201466671 U CN201466671 U CN 201466671U CN 2009201066299 U CN2009201066299 U CN 2009201066299U CN 200920106629 U CN200920106629 U CN 200920106629U CN 201466671 U CN201466671 U CN 201466671U
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- CN
- China
- Prior art keywords
- signal
- alarm
- current potential
- oil
- backflow switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses an oil depot electric spark protection device, which is used to guarantee the safe operation on an electrified oil special line when an oil depot loads and unloads oil. The oil depot electric spark protection device builds linkage control of electric spark protection devices which are reflux switches, signal lamps, oil and gas concentration alarms and potential alarms and the like, thereby being capable of preventing from producing spark and having risk because locomotive current is a factor to increase the potential of a work area and the like.
Description
Technical field
The utility model relates to a kind of oil depot safeguard, relates in particular to a kind of oil depot electric spark safeguard.
Background technology
The oil plant railway is after implementing electrification innovation, because the voltage on the electrification railway contact net is very high, and can form rail return current on rail, and oil truck and oil filling riser can produce electric spark during the loading and unloading oil plant, and the safety of oil depot etc. is threatened.
Existing oil depot electric spark safeguard, general main five parts such as insulation isolated part, current drainage grounded part, pressure-equalizing device, backflow switch and warning device that comprise are formed.But wherein insulate isolated part on the rail and metallic conduit of conduction current, be used for blocking operation area that conduction current flows to oil depot, reserve etc.; The current drainage grounded part is by the very little earthing device of earth resistance, and electric current is entered the earth, and the potential drop of drainage point is got off; Pressure-equalizing device is to make to be the equipotential state between industrial siding and oil filling riser, eliminates the potential difference between the two, directly avoids the generation of electric spark; The backflow switch-box is when entering the reservoir area for electric locomotive, and protection electric spark and the rail insulation established must temporarily be connected is so that electric current can prolong rail return current; Alarm is to monitor to show whether rail transfinites to the position, place in the operation area.
Aforesaid existing protector, each safeguard is in the state of working alone, operate not enough hommization, under the not closed situation of switch-box, sail track into, rail insulation causes the locomotive electric current can't be along rail return current, force the locomotive electric current from line residual current, the reservoir area earth potential is raise, come great hidden danger for the oil depot safety belt.
The utility model content
Technical problem to be solved in the utility model is to be to provide a kind of oil depot electric spark safeguard, the job safety when guaranteeing oil depot loading and unloading oils material on the electrified oil plant industrial siding.
In order to solve the problems of the technologies described above, the utility model provides a kind of oil depot electric spark safeguard, comprise oil gas probe, oil gas alarm, current potential probe, current potential alarm, control circuit, backflow switch, semaphore, warning lamp and central control board, wherein:
The oil gas probe is surveyed gas concentration;
The oil gas alarm links to each other with described oil gas probe, give the alarm when gas concentration exceeds standard at described oil gas probe detection, and the generation gas concentration signal that exceeds standard sends to control circuit;
The current potential probe, the earth potential of detection loading and unloading oils service area;
The current potential alarm links to each other with described current potential probe, detect at described current potential probe to give the alarm when the service area earth potential is higher than default alarming value, and the generation current potential signal that exceeds standard sends to control circuit;
Control circuit links to each other 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 behind the signal, sends alarm signal to described central control board; After receiving the working signal of described central control board transmission, send closure signal, send the operation signal to described warning lamp to described backflow switch; After receiving the silence signal of described central control board transmission, send cut-off signal, send to described warning lamp and forbid the operation signal to described backflow switch; Also gather the operating state data of described oil gas alarm, current potential alarm, backflow switch, warning lamp and central control board in real time, write down the operating state of described oil gas alarm, current potential alarm, backflow switch and warning lamp;
The backflow switch is received after the described closure signal closedly, disconnects after receiving described cut-off signal;
Semaphore links to each other with described backflow switch, during described backflow switch closure, shows right of way signal to locomotive, when described backflow switch disconnects, shows to locomotive and to forbid signal of communication;
Warning lamp links to each other with described control circuit, receives to show the operation signal behind the described operation signal, receive described forbid showing behind the operation signal forbid the operation signal;
Central control board receives described alarm signal, sends described working signal or described silence signal to control circuit, shows the operating state 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 turnover line both sides of described backflow switch respectively are provided with one group of voltage protector.
Preferably, described semaphore is railway signal special signal machine.
Preferably, the shape differentiation of described semaphore is in the profile of described warning lamp.
Preferably, this equipment also comprises data processing equipment, links to each other with described control circuit, writes down the described operating state data that described control circuit is gathered, and described operating state data is made into file and storage.
Preferably, described data processing equipment comprises visualization interface.
Preferably, described data processing equipment is an industrial control computer.
Compared with prior art, the utility model is set up interlock control to electric spark safeguards such as backflow switch, signal lamp, alrms for oil-gas concentration, current potential alarms, can avoid the locomotive electric current is that the service area current potential raises and produces spark and cause danger, and high-tension electricity burns backflow switch and insulation and produces spark and cause danger.
Description of drawings
Fig. 1 is the composition schematic diagram of the utility model embodiment.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 shows the composition schematic diagram of an embodiment of the utility model.As shown in Figure 1, the safeguard of 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, semaphore 140, warning lamp 150, central control board 160 and data processing equipment 170, wherein:
Oil gas probe 105 is surveyed gas concentration;
Current potential probe 115, the earth potential of detection loading and unloading oils service area;
Current potential alarm 120 links to each other with current potential probe 115, detect at current potential probe 115 to give the alarm when the service area earth potential is higher than default alarming value, and the generation current potential signal that exceeds standard sends to control circuit 130;
Backflow switch 135 links to each other with control circuit 130, receives after the closure signal that control circuit 130 sends closed; Disconnect after receiving the cut-off signal that control circuit 130 sends;
Semaphore 140 links to each other with backflow switch 135, adopts railway signal special signal machine, during backflow switch 135 closures, shows right of way signal (bright such as green light) to locomotive, when backflow switch 135 disconnects, forbids signal of communication (bright such as red light) to the locomotive demonstration; Can prevent effectively that in view of the above locomotive from sailing the operation area into rashly under the not closed state of backflow switch 135;
Backflow switch 135 is selected high withstand voltage vacuum contactor for use, has significantly improved voltage endurance capability and arc extinguishing ability, and thoroughly the abatement apparatus long insulation that is caused service time descends so that produces sparking even harm on fire; In order to eliminate of the harm of issuable transient overvoltage, in the turnover line both sides of backflow switch 135 one group of voltage protector is set respectively respectively to backflow switch 135.
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 no operating power;
Local operation closes branch backflow switch 135 on the spot;
Straighforward operation, the remote branch that closes of manually or automatically controlling backflow switch 135.
For the ease of staff identification, warning lamp 150 is different from semaphore 140 in shape, can prevent from effectively that the staff enters the service area under the situations such as gas concentration, voltage exceed standard to carry out the loading and unloading oils operation.
Also be provided with visualization interface on the data processing equipment 170, conveniently to carry out visual connection.Data processing equipment 170 can be an industrial control computer.
The utility model is according to electric locomotive operation procedure, oil loading and unloading program, electric spark safeguards such as backflow switch, signal lamp, alrms for oil-gas concentration, current potential alarm are set up interlock control, can avoid the locomotive electric current is that the service area current potential raises and produces spark and cause danger, and high-tension electricity burns backflow switch and insulation and produces spark and cause danger.Gather each equipment state in real time, the data of being gathered are handled by data processing equipment.Simultaneously visualization interface is set on data processing equipment, is used for visual connection in the future.
Though the disclosed execution mode of the utility model as above, the execution mode that described content just adopts for the ease of understanding the utility model is not in order to limit the utility model.Technical staff under any the utility model in the technical field; under the prerequisite that does not break away from the disclosed spirit and scope of the utility model; can do any modification and variation what implement in form and on the details; but scope of patent protection of the present utility model still must be as the criterion with the scope that appending claims was defined.
Claims (8)
1. an oil depot electric spark safeguard is characterized in that, comprises oil gas probe, oil gas alarm, current potential probe, current potential alarm, control circuit, backflow switch, semaphore, warning lamp and central control board, wherein:
The oil gas probe is surveyed gas concentration;
The oil gas alarm links to each other with described oil gas probe, give the alarm when gas concentration exceeds standard at described oil gas probe detection, and the generation gas concentration signal that exceeds standard sends to control circuit;
The current potential probe, the earth potential of detection loading and unloading oils service area;
The current potential alarm links to each other with described current potential probe, detect at described current potential probe to give the alarm when the service area earth potential is higher than default alarming value, and the generation current potential signal that exceeds standard sends to control circuit;
Control circuit links to each other 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 behind the signal, sends alarm signal to described central control board; After receiving the working signal of described central control board transmission, send closure signal, send the operation signal to described warning lamp to described backflow switch; After receiving the silence signal of described central control board transmission, send cut-off signal, send to described warning lamp and forbid the operation signal to described backflow switch; Also gather the operating state data of described oil gas alarm, current potential alarm, backflow switch, warning lamp and central control board in real time, write down the operating state of described oil gas alarm, current potential alarm, backflow switch and warning lamp;
The backflow switch is received after the described closure signal closedly, disconnects after receiving described cut-off signal;
Semaphore links to each other with described backflow switch, during described backflow switch closure, shows right of way signal to locomotive, when described backflow switch disconnects, shows to locomotive and to forbid signal of communication;
Warning lamp links to each other with described control circuit, receives to show the operation signal behind the described operation signal, receive described forbid showing behind the operation signal forbid the operation signal;
Central control board receives described alarm signal, sends described working signal or described silence signal to control circuit, shows the operating state of described oil gas alarm, current potential alarm, backflow switch and warning lamp simultaneously.
2. oil depot electric spark safeguard as claimed in claim 1 is characterized in that:
Described backflow switch is high withstand voltage vacuum contactor.
3. oil depot electric spark safeguard as claimed in claim 1 is characterized in that:
The turnover line both sides of described backflow switch respectively are provided with one group of voltage protector.
4. oil depot electric spark safeguard as claimed in claim 1 is characterized in that:
Described semaphore is railway signal special signal machine.
5. oil depot electric spark safeguard as claimed in claim 1 is characterized in that:
The shape differentiation of described semaphore is in the profile of described warning lamp.
6. oil depot electric spark safeguard as claimed in claim 1 is characterized in that this equipment also comprises:
Data processing equipment links to each other with described control circuit, writes down the described operating state data that described control circuit is gathered, and described operating state data is made into file and storage.
7. oil depot electric spark safeguard as claimed in claim 6 is characterized in that:
Described data processing equipment comprises visualization interface.
8. oil depot electric spark safeguard as claimed in claim 6 is characterized in that:
Described data processing equipment is an industrial control computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201066299U CN201466671U (en) | 2009-03-31 | 2009-03-31 | Oil depot electric spark protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201066299U CN201466671U (en) | 2009-03-31 | 2009-03-31 | Oil depot electric spark protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201466671U true CN201466671U (en) | 2010-05-12 |
Family
ID=42394018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201066299U Expired - Lifetime CN201466671U (en) | 2009-03-31 | 2009-03-31 | Oil depot electric spark protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201466671U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104590059A (en) * | 2015-01-30 | 2015-05-06 | 兰州华创交大电气技术有限责任公司 | Intelligent electromagnetic protection system of railway loading and unloading station |
-
2009
- 2009-03-31 CN CN2009201066299U patent/CN201466671U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104590059A (en) * | 2015-01-30 | 2015-05-06 | 兰州华创交大电气技术有限责任公司 | Intelligent electromagnetic protection system of railway loading and unloading station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |
|
| CX01 | Expiry of patent term |