CN203389253U - Fire extinguishing system with strong anti-jamming capability - Google Patents
Fire extinguishing system with strong anti-jamming capability Download PDFInfo
- Publication number
- CN203389253U CN203389253U CN201320414940.6U CN201320414940U CN203389253U CN 203389253 U CN203389253 U CN 203389253U CN 201320414940 U CN201320414940 U CN 201320414940U CN 203389253 U CN203389253 U CN 203389253U
- Authority
- CN
- China
- Prior art keywords
- fire extinguishing
- fire
- jamming
- bottle
- fighting
- 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 - Fee Related
Links
Images
Abstract
The utility model relates to a fire extinguishing system with strong anti-jamming capability. The fire extinguishing system comprises a fire extinguishing main body apparatus, a fire extinguishing start bottle for starting the fire extinguishing main body apparatus, and further comprises a start bottle anti-jamming device, wherein the start bottle anti-jamming device is connected between the fire extinguishing start bottle and the fire extinguishing main body apparatus. According to the fire extinguishing system with strong anti-jamming capability, by arranging the start bottle anti-jamming device between the fire extinguishing start bottle and the fire extinguishing main body apparatus, the abnormal actions of the fire extinguishing system caused by thunder or other disturbances can be effectively prevented through the steps of anti-electromagnetism impact, over-current protection, pulse protection, automatic time-delay on-off and the like, the security of the system is improved, and the system is strong in compatibility, simple to mount and low in cost.
Description
Technical field
The utility model relates to fire-fighting equipment technical field, relates in particular to the fire-fighting system for power system that a kind of antijamming capability is strong.
Background technology
In power system, the fire-fighting guarantee of transformer plays a part very crucial to the normal operation of whole power system, and foam fire-fighting is very important to preventing the fire of transformer, the safety that starts bottle in foam fire-fighting rises does key effect, if start bottle because of thunderbolt or disturb generation because of the heavy current under abnormal state, start, likely produce the spouted work of mistake, the very large impact of tool will be produced, cause serious consequence, at present also good method starts bottle lightning protection and interference protection measure without comparison.
Thunder and lightning is a kind of very grand sound of nature, optical, electrical phenomenon, and meanwhile, thunder and lightning is also a kind of very serious natural calamity.The impact that it brings to the normal productive life of people, along with the high speed development of modern production equipment is more aobvious serious, the economic loss that thunder and lightning causes and the extent of injury are in continuous increase, and therefore, lightning protection mitigation is aobvious important working day.For the suppressor that is applied in transformer station, not only there is the interference of thunder and lightning to equipment, also have from the heavy current under the abnormal state of transformer station own and disturb.Therefore the heavy current that thunderbolt and transformer station self abnormal state produce is disturbed and all must in fire-fighting fire extinguishing, be caused necessary attention.
Thunder and lightning is a kind of natural phenomena in atmosphere, and atmosphere is not exclusively molecule or state of atom, is often charged, and the electric discharge phenomena between positive and negative charge have just formed lightning, and send thunder.This atmospheric discharge phenomenon, has great destructive power.The common thunder and lightning of occurring in nature mainly contains three kinds of direct lightning strike, LEMP (LEMP) and spherical thunders when direct lightning strike discharges over the ground, in 8 μ s left and right, reach peak value, and release completely in 40 μ s, therefore, the feature such as direct lightning strike electric current has that amplitude is high, very high frequency, impulsive force are extremely strong, the potential difference producing in earth mat can be damaged electric equipment, even directly jeopardizes people's life.The primary equipments such as transformer station's inner breaker, isolating switch are when switching operates or cut-offs fault current, existence due to inductive load, when switch contact cut-offs, extinguishing and restriking of the electric arc producing may cause the attenuation oscillasion impulse that contains multi-frequency component on bus or circuit, line (being equivalent to antenna) by bus or equipment room, by the space radiation towards periphery of the energy of transient electromagnetic field, forms pulses of radiation electromagnetic field.These a series of higher-orders of oscillation are coupled on secondary device by CT, PT.Especially SF6 gas-insulated switch, when breaker operator, there will be the oscillating voltage of very high frequency on bus, gives off the pulse electromagnetic field that rising edge is extremely steep.The size of this class interference voltage depends on the inductance of load circuit, the opening velocity of contact and medium tolerance are characterized in having very high amplitude and frequency.
Be struck by lightning and disturb main destruction of fire extinguishing system embodied on startup bottle from the heavy current under transformer station's abnormal state, when start that bottle is struck by lightning or other strong jammings after, may cause nitrogen cylinder unlatching, by foaming agent ejection, lead to grave consequences.
When existing scheme is generally wiring, process, from walking line position, carry out lightning protection, shielding, ground connection and lightning rod be set in relevant place or adopt special material to improve equipment ground performance and antijamming capability.Its defect shows as: 1, must be from the enterprising professional etiquette that connects up when fire extinguishing system is installed, and lightning protection and anti-jamming effectiveness are limited; 2, some areas due to condition restriction increase lightning rod and other anti-interference facilities are more difficult, 3, fire-fighting system control module is easily struck by lightning and disturbs and damage; 4, for long significantly interference of time, can not remove.
Summary of the invention
For existing fire-fighting system, have above-mentioned technological deficiency, the utility model provides a kind of energy to remove long-time, large intensity interference and the strong fire-fighting system of a kind of antijamming capability good with existing equipment compatibility, that installation is simple, cost is low.
For achieving the above object, the utility model adopts following technical scheme:
The fire-fighting system that a kind of antijamming capability is strong, comprise fire-fighting fire extinguishing main equipment, for opening the fire extinguishing of fire-fighting fire extinguishing main equipment, start bottle, also comprise and start bottle means for anti-jamming, described startup bottle means for anti-jamming is connected to fire extinguishing and starts between bottle and fire-fighting fire extinguishing main equipment.Start bottle means for anti-jamming and install simply, be applicable to the various fire extinguishing systems of having installed, can directly access in former fire-fighting system and move.
As preferably, described startup bottle means for anti-jamming comprises anti-electromagnetic impact circuit, current foldback circuit, the pulse protection circuit connecting successively.Anti-electromagnetic impact circuit maskable is because the equipment such as thunder and lightning or power station inner breaker, isolating switch produce the extremely steep pulse electromagnetic field of rising edge that the oscillating voltage of very high frequency gives off in switching operation or while cut-offfing fault current.Current foldback circuit is avoided thunder and lightning and self impact of large electric current to system.Pulse protection circuit, for the caused high-energy electromagnetic pulse of thunder and lightning, prevents hindering and damaging of Lightning Electromagnetic Pulse fire equipments by the mode of tackling, dredging, releasing into ground.By several steps such as anti-electromagnetic impact, overcurrent protection, pulse protection, guaranteed the normal operation of fire extinguishing system, prevent from, because of thunder and lightning or the fire extinguishing system abnormal operation that causes from other interference, having promoted the security of system.
As preferably, described startup bottle means for anti-jamming also comprises delay switch circuit, and delay switch circuit is connected with pulse protection circuit.Thunder shower generally can continue for some time, and has repeatedly thunderbolt therebetween, cuts off circuit, self-opening power supply after a while before intensity of lightning does not reach degree of injury, can make fire extinguishing system normal operation, reaches long-time jamproof effect.
The strong fire-fighting system of a kind of antijamming capability of the present utility model; in fire extinguishing, start between bottle and fire-fighting fire extinguishing main equipment and be provided with and start bottle means for anti-jamming; by several steps such as anti-electromagnetic impact, overcurrent protection, pulse protection, Auto-delay switches; effectively prevent because of thunder and lightning or the fire extinguishing system abnormal operation that causes from other interference; promoted the security of system, and had advantages of that compatibility is strong, it is simple, with low cost to install.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
The specific embodiment
Below in conjunction with Fig. 1 and the specific embodiment, the utility model is described further.
The fire-fighting system that a kind of antijamming capability is strong, as shown in Figure 1, comprise fire-fighting fire extinguishing main equipment 1, for opening the fire extinguishing of fire-fighting fire extinguishing main equipment 1, start bottle 2, also comprise and start bottle means for anti-jamming 3, described startup bottle means for anti-jamming 3 is connected to fire extinguishing and starts between bottle 2 and fire-fighting fire extinguishing main equipment 1.
Start bottle means for anti-jamming 3 and comprise anti-electromagnetic impact circuit 4, current foldback circuit 5, pulse protection circuit 6, the delay switch circuit 7 connecting successively.
Be only preferred embodiment of the present utility model in sum, be not used for limiting practical range of the present utility model, all equivalences of doing according to the content of the application's the scope of the claims change and modify, and all should be technology category of the present utility model.
Claims (3)
1. the fire-fighting system that antijamming capability is strong, comprise fire-fighting fire extinguishing main equipment (1), for opening the fire extinguishing of fire-fighting fire extinguishing main equipment (1), start bottle (2), it is characterized in that: also comprise and start bottle means for anti-jamming (3), described startup bottle means for anti-jamming (3) is connected to fire extinguishing and starts between bottle (2) and fire-fighting fire extinguishing main equipment (1).
2. the strong fire-fighting system of a kind of antijamming capability according to claim 1, is characterized in that: described startup bottle means for anti-jamming (3) comprises anti-electromagnetic impact circuit (4), current foldback circuit (5), the pulse protection circuit (6) connecting successively.
3. the strong fire-fighting system of a kind of antijamming capability according to claim 2, is characterized in that: described startup bottle means for anti-jamming (3) also comprises delay switch circuit (7), and delay switch circuit (7) is connected with pulse protection circuit (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320414940.6U CN203389253U (en) | 2013-07-12 | 2013-07-12 | Fire extinguishing system with strong anti-jamming capability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320414940.6U CN203389253U (en) | 2013-07-12 | 2013-07-12 | Fire extinguishing system with strong anti-jamming capability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203389253U true CN203389253U (en) | 2014-01-15 |
Family
ID=49900816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320414940.6U Expired - Fee Related CN203389253U (en) | 2013-07-12 | 2013-07-12 | Fire extinguishing system with strong anti-jamming capability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203389253U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103861229A (en) * | 2014-02-26 | 2014-06-18 | 昆山宁华消防系统有限公司 | Lightning protection starting module applied to SDE (Self-Distinguishing Extinguisher) |
-
2013
- 2013-07-12 CN CN201320414940.6U patent/CN203389253U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103861229A (en) * | 2014-02-26 | 2014-06-18 | 昆山宁华消防系统有限公司 | Lightning protection starting module applied to SDE (Self-Distinguishing Extinguisher) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106368489B (en) | A kind of main transformer explosive fire accident protecting wall | |
| CN104377683A (en) | Device and method for single-phase intermittent arc grounding overvoltage protection | |
| CN106300211A (en) | A kind of line terminal lightning protection method | |
| CN103683225A (en) | Ground fault protection method of nuclear plant low-voltage power distribution system in all power supply ranges | |
| CN203389253U (en) | Fire extinguishing system with strong anti-jamming capability | |
| CN110535111A (en) | RF coaxial direct current and radio frequency path are multiplexed strong electromagnetic pulse integrated protection device | |
| CN203180508U (en) | System overvoltage inhibition apparatus | |
| CN204928115U (en) | Information system entry end electromagnetic pulse synthesizes protective equipment | |
| CN203932706U (en) | A kind of arc-extinguishing harmonic-eliminating cabinet | |
| CN201163703Y (en) | Strong gas flow arc extinguishing lightning protection clearance apparatus | |
| CN104953578A (en) | System overvoltage suppression device | |
| CN203367747U (en) | High-efficient safe lightning protection system | |
| CN105071367A (en) | Electromagnetic pulse comprehensive protection apparatus at entry port of information system | |
| CN203536953U (en) | Lightning arrester deterioration protective device | |
| CN202068181U (en) | Vehicle-mounted power supply protection circuit | |
| CN207638326U (en) | A kind of small high voltage switch cubicle | |
| CN204967248U (en) | Prevent protection device of high -pressure generating line short circuit | |
| CN102222899B (en) | Vehicular power protective circuit | |
| CN2935576Y (en) | Lightning stroke protector for earth-free power source | |
| CN203859512U (en) | PT arc-extinguishing protective device | |
| CN201280426Y (en) | Security intelligent protector for oil/gas warehouse and station | |
| CN213547101U (en) | Overvoltage protector system of high-voltage cabinet | |
| CN216624913U (en) | Shore bridge high-voltage switch cabinet with pressure relief function | |
| CN204597476U (en) | A kind of power supply-distribution system dynamic compensation ground connection arc-extinguishing harmonic-eliminating protective device | |
| CN112117745A (en) | Dynamic insulation matching method and device for eliminating power frequency insulation strength loss |
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: 20140115 Termination date: 20160712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |