CN114267569A - Auxiliary arc extinguishing system of direct-current quick circuit breaker - Google Patents
Auxiliary arc extinguishing system of direct-current quick circuit breaker Download PDFInfo
- Publication number
- CN114267569A CN114267569A CN202111625772.0A CN202111625772A CN114267569A CN 114267569 A CN114267569 A CN 114267569A CN 202111625772 A CN202111625772 A CN 202111625772A CN 114267569 A CN114267569 A CN 114267569A
- Authority
- CN
- China
- Prior art keywords
- arc extinguishing
- arc
- direct current
- circuit breaker
- auxiliary
- 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.)
- Pending
Links
- 230000006698 induction Effects 0.000 claims abstract description 19
- 239000007921 spray Substances 0.000 claims abstract description 14
- 230000001939 inductive effect Effects 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims description 39
- 239000007924 injection Substances 0.000 claims description 39
- 239000007788 liquid Substances 0.000 claims description 25
- 239000000523 sample Substances 0.000 claims description 14
- 239000000779 smoke Substances 0.000 claims description 8
- 238000010891 electric arc Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 230000004044 response Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 29
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 14
- 229910002092 carbon dioxide Inorganic materials 0.000 description 7
- 239000001569 carbon dioxide Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000002000 scavenging effect Effects 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Circuit Breakers (AREA)
Abstract
The invention provides an auxiliary arc extinguishing system of a direct current quick breaker, which relates to the technical field of direct current quick breakers and comprises a direct current quick breaker body and an auxiliary arc extinguishing device, wherein the auxiliary arc extinguishing device is positioned on one side of the direct current quick breaker body and used for spraying arc extinguishing medium to the direct current quick breaker body; the control system controls the auxiliary arc extinguishing device to spray arc extinguishing medium; the arc light induction device is used for inducing the arc condition and feeding back the arc condition to the control system; according to the invention, the arc extinguishing medium is sprayed to the direct-current quick circuit breaker body through the auxiliary arc extinguishing device, so that the arc extinguishing of the direct-current quick circuit breaker body is facilitated, the arc extinguishing success rate can be effectively improved, and the occurrence of fire is avoided; through the real-time monitoring control who adopts control system and arc light induction device, can make supplementary arc control device possess automatic arc extinguishing ability, more in time begin the arc extinguishing action, reduce system response time, improve the arc extinguishing effect, effectively reduce because of the electric arc various losses that cause on fire.
Description
Technical Field
The invention relates to the technical field of direct-current quick breakers, in particular to an auxiliary arc extinguishing system of a direct-current quick breaker.
Background
The electric arc generated by the sectional electric arc heater is often used for ablating the model in the aerospace field, so that the examination work of related materials is completed, and the direct current quick circuit breaker is used as the corollary equipment of the sectional electric arc heater, so that the important functions of arc starting and arc stabilizing are achieved. But discovery among the in-service use process, the problem of unable arc extinguishing can appear under the circumstances such as the great electric current effect or equipment arc extinguishing ability decline in direct current quick circuit breaker, causes direct current quick circuit breaker to catch fire, and then triggers the conflagration.
Disclosure of Invention
The invention aims to provide an auxiliary arc extinguishing system of a direct-current quick circuit breaker, which can be used for assisting arc extinguishing when the direct-current quick circuit breaker cannot completely extinguish the arc per se, so that a fire disaster is avoided;
the invention provides an auxiliary arc extinguishing system of a direct current quick breaker, which comprises a direct current quick breaker body and also comprises:
the auxiliary arc extinguishing device is positioned on one side of the direct current quick circuit breaker body and sprays arc extinguishing media to the direct current quick circuit breaker body;
the control system controls the auxiliary arc extinguishing device to spray arc extinguishing medium;
and the arc induction device is used for inducing the arc condition and feeding back the arc condition to the control system.
Further, the auxiliary arc extinguishing device comprises a gas medium auxiliary arc extinguishing device and a liquid medium auxiliary arc extinguishing device.
Further, the arc light induction device comprises a light sensing probe.
Further, the arc light induction device comprises a smoke induction probe.
Further, the gas medium auxiliary arc extinguishing device and the liquid medium auxiliary arc extinguishing device are respectively located on two sides of the direct current quick circuit breaker body.
Further, the auxiliary arc extinguishing device comprises a feeding device, an arc extinguishing medium supply pipe and an injection device, wherein the arc extinguishing medium supply pipe is connected with the feeding device, and the feeding device is used for controlling the arc extinguishing medium supply pipe to move.
Further, the direct current quick circuit breaker body includes the casing, be equipped with the explosion chamber in the casing, casing top interval is provided with a plurality of insulating curb plates.
Furthermore, the injection device comprises a plurality of injection pipes, the injection pipes are connected to the arc extinguishing medium supply pipe at intervals, the injection pipes and the insulation side plates are mutually crossed and embedded in the intervals, and a plurality of injection holes are formed in one side of each injection pipe, which faces the arc extinguishing chamber.
Furthermore, the feeding device comprises a pneumatic feeding cylinder and a piston rod, two ends of the pneumatic feeding cylinder are respectively communicated with a scavenging pipe, the two scavenging pipes are connected through an electromagnetic reversing valve, and the pneumatic feeding cylinder controls the arc extinguishing medium supply pipe to move through the piston rod.
Furthermore, one end of the arc extinguishing medium supply pipe is connected with an arc extinguishing medium supply source through a hose, and an electromagnetic control valve is arranged on the hose and/or the arc extinguishing medium supply pipe.
According to the technical scheme, the arc extinguishing medium is sprayed to the direct-current quick circuit breaker body through the auxiliary arc extinguishing device, so that the direct-current quick circuit breaker body is assisted in arc extinguishing, the arc extinguishing success rate can be effectively improved, and a fire disaster is avoided; through the real-time monitoring control who adopts control system and arc light induction device, can make supplementary arc control device possess automatic arc extinguishing ability, more in time begin the arc extinguishing action, reduce system response time, improve the arc extinguishing effect, effectively reduce because of the electric arc various losses that cause on fire.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a gas medium-assisted arc extinguishing apparatus according to the present invention;
FIG. 3 is a bottom view of the gas medium assisted arc extinguishing apparatus of the present invention;
FIG. 4 is a schematic diagram of a liquid medium assisted arc extinguishing apparatus according to the present invention;
FIG. 5 is a bottom view of the liquid medium assisted arc extinguishing apparatus of the present invention;
fig. 6 is a schematic diagram of a dc quick circuit breaker body according to the present invention;
FIG. 7 is a schematic diagram of the working states of two types of auxiliary arc extinguishing systems according to the present invention;
description of reference numerals:
1-direct current quick circuit breaker body, 101-shell, 102-arc extinguish chamber, 103-arc extinguish grid plate, 104-insulating side plate, 2-arc light induction device, 201-light induction probe, 202-smoke induction probe, 3-gas medium auxiliary arc extinguish device, 4-liquid medium arc extinguish device, 5-feeding device, 501-pneumatic feeding cylinder, 502-scavenging tube, 503-electromagnetic reversing valve, 504-device fixing plate, 505-piston rod, 6-arc extinguish medium supply tube, 7-injection device, 701-injection tube, 702-injection hole and 8-electromagnetic control valve;
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1, 6 and 7, the invention provides an auxiliary arc extinguishing system for a dc fast breaker, which includes a dc fast breaker body 1, and further includes: the auxiliary arc extinguishing device is positioned on one side of the direct current quick circuit breaker body 1 and sprays arc extinguishing medium to the direct current quick circuit breaker body 1; the control system controls the auxiliary arc extinguishing device to spray arc extinguishing medium; and the arc induction device 2 is used for inducing the arc condition and feeding back the arc condition to the control system.
Specifically, when the segmented arc heater arcs, if the direct current fast circuit breaker body 1 works normally, the arc is extinguished in the arc extinguish chamber 102, the arc sensing device 2 does not detect the occurrence of the arc, the control system does not receive feedback, and the auxiliary arc extinguishing device also keeps silent; if the direct current quick circuit breaker body 1 works abnormally and cannot extinguish the electric arc in the arc extinguish chamber 102, the arc light induction device 2 detects the occurrence of the electric arc and transmits a signal to the control system, the control system firstly cuts off the power supply system of the heater, and then controls the auxiliary arc extinguishing device to spray arc extinguishing medium to the direct current quick circuit breaker body 1 until the electric arc is extinguished (the arc light induction device 2 does not sense the electric arc any more), and then the spraying is finished; wherein, the arc extinguishing medium can be gas, liquid or solid, can assist the electric arc to extinguish can, supplementary arc extinguishing device is the carrier or the carrier of arc extinguishing medium, mainly play the effect of carrying the arc extinguishing medium to the position of starting to strike, for example shower nozzle etc., control system can be computer or the controller that has integrateed PLC, arc induction system 2 mainly comprises the sensor that can detect the regional anomaly of starting to strike, for example when the electric arc is unusual, can detect light, smog, temperature, ion concentration etc. can produce obvious change, can detect the electric arc condition of direct current quick circuit breaker body 1 through selecting corresponding sensor.
Example 2
This example 2 describes the selection of arc-extinguishing media:
as shown in fig. 1, 6 and 7, the auxiliary arc extinguishing device includes a gas medium auxiliary arc extinguishing device and a liquid medium auxiliary arc extinguishing device.
Specifically, supplementary arc control device realizes supplementary arc extinguishing through spouting arc extinguishing medium to direct current quick circuit breaker body 1, and arc extinguishing medium has multiple selection, under the general condition, spouts the gaseous medium that arc extinguishing ability is general earlier, and the advantage lies in less to experimental data result influence, when gaseous medium can't succeed the arc extinguishing, begins to spout the liquid medium that arc extinguishing ability is stronger again.
The arc light induction device 2 comprises a light sensing probe 201; the arc sensing device 2 includes a smoke sensing probe 202; the gas medium auxiliary arc extinguishing device 3 and the liquid medium arc extinguishing device 4 are respectively positioned at two sides of the direct current quick circuit breaker body 1.
Specifically, a gas medium such as carbon dioxide gas, an inert gas (helium gas, argon gas), heptafluoropropane, etc. (carbon dioxide is taken as an example in this embodiment), a liquid medium such as fire water, liquid nitrogen, foam, etc. (fire water is taken as an example in this embodiment), and before the auxiliary arc extinguishing system does not work, the gas medium auxiliary arc extinguishing device 3 and the liquid medium auxiliary arc extinguishing device 4 are respectively located at both sides of the upper portion of the direct current quick breaker body 1. When the segmented arc heater arcs, if the direct current quick circuit breaker body 1 works abnormally, the arc cannot be extinguished in the arc extinguish chamber 102, the light sensing probe 201 monitors the arc light immediately and transmits the signal to the control system, the control system firstly cuts off the power of the heater power supply system, and then the gas medium auxiliary arc extinguishing device 3 is controlled to continuously spray carbon dioxide to the arc extinguish chamber 102 of the direct current quick circuit breaker body 1, so that arc extinction is realized. If arc light still does not put out, arc extinguishing grid plate 103 and insulating side plate 104 melt gradually and then burn under high temperature, and smoke and dust that the burning produced is monitored to smoke and feel probe 202 this moment to with signal transmission to control system, control system closes gaseous medium at first and assists arc extinguishing device 3, stops the injection of carbon dioxide, then controls liquid medium and assists arc extinguishing device 4 and continuously sprays fire water to the explosion chamber 102 of quick circuit breaker body 1 of direct current, realizes the arc extinguishing.
Example 3
The embodiment 3 describes a specific structure of the auxiliary arc extinguishing device:
as shown in fig. 1 to 7, the auxiliary arc extinguishing device includes a feeding device 5, an arc-extinguishing medium supply pipe 6 and an injection device 7, the arc-extinguishing medium supply pipe 6 is connected to the feeding device 5, and the feeding device 5 is used for controlling the movement of the arc-extinguishing medium supply pipe 6.
Specifically, before the auxiliary arc extinguishing system does not work, the arc extinguishing medium supply pipes 6 of the gas medium auxiliary arc extinguishing device 3 and the liquid medium auxiliary arc extinguishing device 4 are respectively positioned outside the effective insulation distance of two sides of the upper part of the direct current quick circuit breaker body 1, when the auxiliary arc extinguishing system works, the arc extinguishing medium supply pipes 6 are moved to the arc extinguishing position by the feeding device 5, and the arc extinguishing medium is sprayed out through the spraying device 7; based on the above process, the feeding device 5 may be a hydraulic/pneumatic telescopic cylinder with linear driving function, or move the arc-extinguishing medium supplying pipe 6 through the combination of a motor, a guide rail and a slide block, or even use a special mechanical arm, etc., as a specific embodiment of the feeding device 5; the injection device 7 is mainly used for making the arc-extinguishing medium accurately reach the arc-extinguishing chamber 102 of the dc quick circuit breaker body 1, and may be a nozzle, a spray head, or the like.
As shown in fig. 6, the dc quick circuit breaker body 1 includes a housing 101, an arc extinguishing chamber 102 is disposed in the housing 101, and a plurality of insulating side plates 104 are disposed at intervals on the top of the housing 101.
Specifically, an arc extinguishing chamber 102 is arranged in a casing 101 of the dc fast breaker body 1, an arc extinguishing grid 103 is arranged in the arc extinguishing chamber 102, both the arc extinguishing chamber 102 and the arc extinguishing grid 103 are parts of the dc fast breaker body 1 that realize a self-extinguishing function, and in this embodiment 3, the insulating side plate 104 is used to cooperate with the injection pipe 701 to inject an arc extinguishing medium into the arc extinguishing chamber 102.
As shown in fig. 2 to 5, the injection device 7 includes a plurality of injection pipes 701, the plurality of injection pipes 701 are connected to the arc-extinguishing medium supply pipe 6 at intervals, the plurality of injection pipes 701 are inserted into the insertion space where the plurality of insulating side plates 104 intersect with each other, and a plurality of injection holes 702 are provided on the injection pipes 701 on a side facing the arc-extinguishing chamber 102.
Specifically, in this embodiment 3, the arc-extinguishing medium supply pipe 6 is a pipe perpendicular to the insulating side plates 104, the injection pipes 701 are connected to the arc-extinguishing medium supply pipe 6 in parallel with the insulating side plates 104, and the injection pipes 701 are communicated with the inside of the arc-extinguishing medium supply pipe 6, wherein each gas arc-extinguishing medium injection pipe is respectively provided with at least one light-sensing probe 201, each liquid arc-extinguishing medium injection pipe is respectively provided with at least one smoke-sensing probe 202, before the auxiliary arc-extinguishing system does not work, the gas medium auxiliary arc-extinguishing device 3 and the liquid medium auxiliary arc-extinguishing device 4 are both far away from the dc fast circuit breaker body 1, when the auxiliary arc-extinguishing system works, the feeding device 5 of the gas medium auxiliary arc-extinguishing device 3 controls the arc-extinguishing medium supply pipe 6 to move towards the dc fast circuit breaker body 1, so that the injection pipes 701 with the space are correspondingly inserted into the space between the insulating side plates 104, then, the arc extinguishing medium sprayed out of the spray hole 702 can fully and uniformly enter the arc extinguishing chamber 102; the above process is the same when the liquid medium auxiliary arc extinguishing device 4 is used, and the description is omitted.
As shown in fig. 2 to 5, the feeding device 5 includes a pneumatic feeding cylinder 501 and a piston rod 505, the two ends of the pneumatic feeding cylinder 501 are respectively communicated with gas exchanging pipes 502, the two gas exchanging pipes 502 are connected by a solenoid directional valve 503, and the pneumatic feeding cylinder 501 controls the movement of the arc-extinguishing medium supply pipe 6 by the piston rod 505.
Specifically, before the auxiliary arc extinguishing system does not work, the piston rod 505 is in a recovery state, and when the auxiliary arc extinguishing system works, the control system controls the electromagnetic reversing valve 503 to act to make the gas in the pneumatic feeding cylinder 501 flow, drive the piston rod 505 to extend out, push the arc extinguishing medium supply pipe 6 to the direct current quick circuit breaker body 1, and perform subsequent injection; in addition, in this embodiment 3, a device fixing plate 504 is further connected to the cylinder body of the pneumatic feeding cylinder 501, and is used for fixing the pneumatic feeding cylinder 501 at a fixed position and providing a fixed foundation for the whole auxiliary arc extinguishing device.
As shown in fig. 2 and 4, one end of the arc-extinguishing medium supply pipe 6 is connected to an arc-extinguishing medium supply source through a hose, and an electromagnetic control valve 8 is provided on the hose and/or the arc-extinguishing medium supply pipe 6.
Specifically, since the arc-extinguishing medium supply pipe 6 needs to be moved back and forth in the embodiment 3, a flexible pipe (not shown) is used to connect the arc-extinguishing medium supply pipe 6 with an arc-extinguishing medium supply source (not shown) to provide a moving base for the arc-extinguishing medium supply pipe 6; the electromagnetic control valve 8 is connected with the control system, when the auxiliary arc extinguishing system does not work, the control system controls the electromagnetic control valve 8 to keep a closed state, and when the auxiliary arc extinguishing system works, the control system controls the electromagnetic control valve 8 to be opened, so that arc extinguishing medium (carbon dioxide/fire water) enters the arc extinguishing medium supply pipe 6 from an arc extinguishing medium supply source (air source/water source) to perform injection arc extinguishing.
The working principle of the system is as follows:
before the auxiliary arc extinguishing system does not work, the gas medium auxiliary arc extinguishing device 3 and the liquid medium auxiliary arc extinguishing device 4 are respectively positioned outside the effective insulation distances of two sides of the upper part of the direct current quick circuit breaker body 1. When the segmented arc heater arcs, if the direct current fast breaker body 1 works abnormally, the arc cannot be extinguished in the arc extinguishing chamber 102, the light sensing probe 201 on the gas arc extinguishing medium injection pipe 701 monitors the arc light immediately, and transmits a signal to the control system, firstly, the power supply system of the heater is powered off, then, the electromagnetic reversing valve 503 is controlled to act, the pneumatic feeding cylinder 501 rapidly moves the gas arc extinguishing medium supply pipe 6 to the upper part of the direct current fast breaker body 1 through the piston rod 505, the electromagnetic control valve 8 of the gas arc extinguishing medium supply pipe 6 is opened, and the gaseous carbon dioxide continuously enters the arc extinguishing chamber 102 on the direct current fast breaker body 1 through the injection hole 702 on the gas arc extinguishing medium injection pipe 701 to realize the arc extinguishing. If the arc is not extinguished, the arc-extinguishing grid plate 103 and the insulating side plate 104 are gradually melted at high temperature and then burned, and the smoke-sensitive probe 202 on the liquid arc-extinguishing medium injection pipe 701 detects smoke generated by the burning, and transmits a signal to the control system, firstly closes the electromagnetic control valve 8 of the gas arc-extinguishing medium supply pipe 6, stops the injection of the carbon dioxide, then the gas medium electromagnetic directional valve 503 is controlled to act again, the pneumatic feeding cylinder 501 rapidly moves the gas arc extinguishing medium supply pipe 6 to the position of non-operation through the piston rod 505, then the liquid medium electromagnetic directional valve 503 is controlled to act, the pneumatic feeding cylinder 501 rapidly moves the liquid arc-extinguishing medium supply pipe 6 to the upper part of the direct current quick breaker body 1 through the piston rod 505, the electromagnetic control valve 8 of the liquid arc-extinguishing medium supply pipe 6 is opened, and fire water continuously enters the arc-extinguishing chamber 102 on the direct current quick breaker through the spray hole 702 on the liquid arc-extinguishing medium spray pipe 701 to realize arc extinction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides an arc extinguishing system is assisted to quick direct current circuit breaker, includes the quick direct current circuit breaker body, its characterized in that still includes:
the auxiliary arc extinguishing device is positioned on one side of the direct current quick circuit breaker body and sprays arc extinguishing media to the direct current quick circuit breaker body;
the control system controls the auxiliary arc extinguishing device to spray arc extinguishing medium;
and the arc induction device is used for inducing the arc condition and feeding back the arc condition to the control system.
2. The auxiliary arc extinguishing system of the direct current quick circuit breaker according to claim 1, wherein the auxiliary arc extinguishing device comprises a gas medium auxiliary arc extinguishing device and a liquid medium auxiliary arc extinguishing device.
3. The auxiliary arc extinguishing system of the direct current quick circuit breaker according to claim 2, wherein the arc induction device comprises a light sensing probe.
4. The auxiliary arc extinguishing system of the direct current quick circuit breaker according to claim 3, wherein the arc induction device comprises a smoke induction probe.
5. The auxiliary arc extinguishing system of the direct current quick circuit breaker according to claim 4, wherein the gas medium auxiliary arc extinguishing device and the liquid medium auxiliary arc extinguishing device are respectively located at two sides of the direct current quick circuit breaker body.
6. The auxiliary arc extinguishing system of the direct current quick circuit breaker according to claim 1, wherein the auxiliary arc extinguishing device comprises a feeding device, an arc extinguishing medium supply pipe and an injection device, the arc extinguishing medium supply pipe is connected with the feeding device, and the feeding device is used for controlling the arc extinguishing medium supply pipe to move.
7. The auxiliary arc extinguishing system of the direct current quick circuit breaker according to claim 6, wherein the direct current quick circuit breaker body comprises a housing, an arc extinguishing chamber is arranged in the housing, and a plurality of insulating side plates are arranged on the top of the housing at intervals.
8. The auxiliary arc extinguishing system of claim 7, wherein the injection device comprises a plurality of injection pipes, the plurality of injection pipes are connected to the arc extinguishing medium supply pipe at intervals, the plurality of injection pipes and the plurality of insulating side plates are embedded in the mutually crossed embedding intervals, and a plurality of injection holes are formed in the injection pipes on one side facing the arc extinguishing chamber.
9. The auxiliary arc extinguishing system of the direct current quick circuit breaker according to claim 6, wherein the feeding device comprises a pneumatic feeding cylinder and a piston rod, the pneumatic feeding cylinder is respectively communicated with two ends of a gas exchange pipe, the two gas exchange pipes are connected through an electromagnetic reversing valve, and the pneumatic feeding cylinder controls the arc extinguishing medium supply pipe to move through the piston rod.
10. The auxiliary arc extinguishing system of the direct current fast circuit breaker according to claim 6, characterized in that one end of the arc extinguishing medium supply pipe is connected with an arc extinguishing medium supply source through a hose, and an electromagnetic control valve is arranged on the hose and/or the arc extinguishing medium supply pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111625772.0A CN114267569A (en) | 2021-12-28 | 2021-12-28 | Auxiliary arc extinguishing system of direct-current quick circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111625772.0A CN114267569A (en) | 2021-12-28 | 2021-12-28 | Auxiliary arc extinguishing system of direct-current quick circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114267569A true CN114267569A (en) | 2022-04-01 |
Family
ID=80830766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111625772.0A Pending CN114267569A (en) | 2021-12-28 | 2021-12-28 | Auxiliary arc extinguishing system of direct-current quick circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114267569A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107689317A (en) * | 2016-08-06 | 2018-02-13 | 天津中电华利电器科技集团有限公司 | A kind of efficient arc extinguishing fuse |
| CN107787516A (en) * | 2015-04-13 | 2018-03-09 | Abb瑞士股份有限公司 | Only interrupt device, especially disconnecting switch or the earthed switch of non-shorting electric current |
| CN209626128U (en) * | 2019-05-28 | 2019-11-12 | 华翔翔能电气股份有限公司 | A kind of vacuum circuit breaker according to voltage and temperature disconnecting warning |
| CN110957195A (en) * | 2019-12-19 | 2020-04-03 | 南京亚派科技股份有限公司 | Contact arc extinguishing device of circuit breaker |
| CN111834065A (en) * | 2019-04-16 | 2020-10-27 | 段小嬿 | Semi-closed double-jet airflow arc extinguishing lightning protection device without air gap and application thereof |
| CN113426051A (en) * | 2021-06-11 | 2021-09-24 | 姜琳 | Intelligent fire-fighting early warning system |
-
2021
- 2021-12-28 CN CN202111625772.0A patent/CN114267569A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107787516A (en) * | 2015-04-13 | 2018-03-09 | Abb瑞士股份有限公司 | Only interrupt device, especially disconnecting switch or the earthed switch of non-shorting electric current |
| CN107689317A (en) * | 2016-08-06 | 2018-02-13 | 天津中电华利电器科技集团有限公司 | A kind of efficient arc extinguishing fuse |
| CN111834065A (en) * | 2019-04-16 | 2020-10-27 | 段小嬿 | Semi-closed double-jet airflow arc extinguishing lightning protection device without air gap and application thereof |
| CN209626128U (en) * | 2019-05-28 | 2019-11-12 | 华翔翔能电气股份有限公司 | A kind of vacuum circuit breaker according to voltage and temperature disconnecting warning |
| CN110957195A (en) * | 2019-12-19 | 2020-04-03 | 南京亚派科技股份有限公司 | Contact arc extinguishing device of circuit breaker |
| CN113426051A (en) * | 2021-06-11 | 2021-09-24 | 姜琳 | Intelligent fire-fighting early warning system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114267569A (en) | Auxiliary arc extinguishing system of direct-current quick circuit breaker | |
| CN216435823U (en) | Auxiliary arc extinguishing system of direct-current quick circuit breaker | |
| CN113893479B (en) | Fire extinguishing device for extra-high voltage converter station | |
| CN101020270B (en) | Location detector for the starting point of cutting torch of flame cutter | |
| CN209823175U (en) | Electric cabinet with fire-fighting device | |
| CN214971372U (en) | Server cabinet with fire extinguisher | |
| CN217135017U (en) | High-voltage switch GIS on-line intelligent monitoring fire protection device | |
| CN217109167U (en) | Mechanical air compression station pressure leakage protection and alarm device | |
| CN206598001U (en) | Transfevent plasma arc generating means | |
| CN209746758U (en) | alarm device for electric power monitoring | |
| CN112202063B (en) | Cellular automatic electrical control cabinet with flame-retardant fire extinguishing function | |
| KR20230150432A (en) | Fire suppression system of lithium battery energy storage cabinet | |
| CN210676217U (en) | Clear rifle ware of welder | |
| KR100856498B1 (en) | Device cutting the connection of the underground line | |
| CN212252699U (en) | Hearth flame monitoring system | |
| CN112419649A (en) | Fire alarm for municipal works building | |
| KR200276853Y1 (en) | Plasma underwater cutting device | |
| CN215220569U (en) | Trigger protection switch for detecting humidity and temperature of power equipment | |
| CN218005569U (en) | But automatic fire extinguishing's switch board | |
| CN218685899U (en) | Early warning fire extinguishing device with protection function | |
| CN214891331U (en) | Hearth flame monitoring and controlling device | |
| CN117373879B (en) | Circuit breaker with electric shock preventing structure | |
| CN220237606U (en) | Automatic fire extinguishing mechanism | |
| CN220307573U (en) | Isolation device and container | |
| CN216966595U (en) | Arc welding gun with built-in filter screen type flow distribution |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |