CN109200504A - A kind of automatic fire extinguisher for photovoltaic combiner box - Google Patents
A kind of automatic fire extinguisher for photovoltaic combiner box Download PDFInfo
- Publication number
- CN109200504A CN109200504A CN201811436023.1A CN201811436023A CN109200504A CN 109200504 A CN109200504 A CN 109200504A CN 201811436023 A CN201811436023 A CN 201811436023A CN 109200504 A CN109200504 A CN 109200504A
- Authority
- CN
- China
- Prior art keywords
- thermally conductive
- exhaust pipe
- combiner box
- photovoltaic combiner
- fire
- 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
- 239000002184 metal Substances 0.000 claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 230000001629 suppression Effects 0.000 claims abstract description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 239000001569 carbon dioxide Substances 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 239000007921 spray Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a kind of automatic fire extinguishers for photovoltaic combiner box, including air accumulator, fire suppression mechanism and the disconnecting mechanism being arranged on photovoltaic combiner box, equipped with the gas for fire extinguishing in the air accumulator, the fire suppression mechanism includes fire extinguishing spout, low-melting-point metal sealing-plug and thermally conductive exhaust pipe, one end of the thermally conductive exhaust pipe is connect with air accumulator, the other end is connect with fire extinguishing spout, and the low-melting-point metal sealing-plug is arranged in thermally conductive exhaust pipe；The thermally conductive exhaust pipe and the thermally conductive connection of the conducting wire for connecting breaker.When short circuit occurs for photovoltaic combiner box, the connecting terminal of breaker generates high temperature, to make line temperature increase, thermally conductive exhaust pipe by route it is thermally conductive after, melt low-melting-point metal sealing-plug slightly in a short time, while the gas pressure intensity that air accumulator provides ejects low-melting-point metal sealing-plug, then fire-suppressant gas is sprayed from fire extinguishing spout, quickly, fire source is effectively put out, the stability of self-extinguishing is improved.
Description
Technical field
The present invention relates to electric appliance fire extinguishing field, in particular to a kind of automatic fire extinguishers for photovoltaic combiner box.
Background technique
At present photovoltaic combiner box on the market had been provided with confluence, lightning protection, monitoring effect outside, can also detect remittance
Flow the temperature and humidity and Failure Alarm, data acquisition, wireless data transmission etc. function of case.So this has allowed for light
The wiring for lying prostrate header box is more and more, also becomes increasingly complex, while also improving the possibility that fire occurs for photovoltaic DC header box
Property.And the photovoltaic combiner box for having automatic fire-extinguishing function at present is all using some infrared sensors, temperature sensor, control core
The automatic fire extinguishing system that piece etc. electronic component is built.And building for electronic component, it must will increase inside header box
Wiring quantity, to increase a possibility that fire occurs for photovoltaic combiner box, the overall security relative reduction of photovoltaic combiner box.
Moreover, because photovoltaic combiner box occurs, fire is not necessarily because wire short-circuiting, overload current causes, it may be possible to other environment
Caused by factor, and traditional automatic citrcuit bearker needs institute's overcurrent to reach certain threshold value can to disconnect, not can avoid out
Fire caused by existing other factors, which melts wire outer skin, to be led to short circuit and causes spot fire.
As it can be seen that the prior art could be improved and improve.
Summary of the invention
Place in view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide one kind to detect not against circuit senses
With the automatic fire extinguisher for photovoltaic combiner box of fire extinguishing.
In order to achieve the above object, this invention takes following technical schemes:
A kind of automatic fire extinguisher for photovoltaic combiner box, including the air accumulator being arranged on photovoltaic combiner box and setting
Fire suppression mechanism and disconnecting mechanism in photovoltaic combiner box, equipped with the gas for fire extinguishing, the spray in the air accumulator
Structure includes fire extinguishing spout, low-melting-point metal sealing-plug and thermally conductive exhaust pipe, and one end of the thermally conductive exhaust pipe and air accumulator connect
It connects, the other end is connect with fire extinguishing spout, and the low-melting-point metal sealing-plug is arranged in thermally conductive exhaust pipe, the low-melting-point metal
Sealing-plug is discharged for obstructing gas from thermally conductive exhaust pipe；The thermally conductive exhaust pipe and the thermally conductive connection of the conducting wire for connecting breaker,
The disconnecting mechanism can air accumulator air pressure reduce when cut-off breaker switch.
Further, the disconnecting mechanism includes conduit, the piston cylinder and drawstring that are arranged on the downside of breaker, the work
Plug cylinder is connect by conduit with air accumulator, and the output end of the piston cylinder can be perpendicular by drawstring when air accumulator air pressure is reduced
The switch for directly pulling downward on breaker realizes open circuit.
Further, the piston cylinder includes cylinder body, piston, piston rod, and the piston is slidably connected with cylinder body, the work
One end of stopper rod is vertically provided on the upper surface of piston, and the other end is connected by the switch of drawstring and breaker.
Further, the thermally conductive exhaust pipe is connected by link block with the conducting wire for connecting breaker.
Further, the thermally conductive exhaust pipe is set as copper exhaust pipe.
Further, the low-melting-point metal sealing-plug is set as tin matter sealing-plug.
Further, the fire extinguishing spout is set as tubaeform.
Further, the fire extinguishing spout is set as copper fire extinguishing spout.
Further, the fire-suppressant gas is set as carbon dioxide.
The utility model has the advantages that
Compared with prior art, the present invention provides a kind of automatic fire extinguisher for photovoltaic combiner box, work as photovoltaic combiner box
When short circuit occurs, the connecting terminal of breaker generates high temperature, so that line temperature be made to increase, thermally conductive exhaust pipe is led by route
After heat, melt low-melting-point metal sealing-plug slightly in a short time, while the gas pressure intensity that air accumulator provides is by thermally conductive row
Endotracheal low-melting-point metal sealing-plug ejection, then fire-suppressant gas is sprayed from fire extinguishing spout, quickly, is effectively put out fire source, is mentioned
The stability of high self-extinguishing.When overcurrent occurring or other environmental factors cause photovoltaic combiner box that fire occurs, breaker
Structure automatically can disconnect the switch of breaker when fire-suppressant gas sprays, and solve existing automatic citrcuit bearker and need institute excessively electric
Stream reaches the problem of certain threshold value can disconnect, and improves the safety of photovoltaic combiner box.
Detailed description of the invention
Fig. 1 is the structural schematic diagram provided by the present invention for the automatic fire extinguisher of photovoltaic combiner box.
Fig. 2 is the partial enlarged view in the region L in Fig. 1.
Fig. 3 is the structural schematic diagram of piston cylinder provided by the present invention in the automatic fire extinguisher of photovoltaic combiner box.
Specific embodiment
The present invention provides a kind of automatic fire extinguisher for photovoltaic combiner box, to make the purpose of the present invention, technical solution
And effect is clearer, clear, the present invention is described in more detail as follows in conjunction with drawings and embodiments.It should be appreciated that this
Place is described, and specific examples are only used to explain the present invention, is not intended to limit the scope of protection of the present invention.
Fig. 1-Fig. 3 is please referred to, the present invention provides a kind of automatic fire extinguisher for photovoltaic combiner box, including is arranged in light
The fire suppression mechanism 2 and disconnecting mechanism 3 for lying prostrate the air accumulator 1 on header box and being arranged in photovoltaic combiner box, the air accumulator 1
In equipped with for fire extinguishing gas, the fire suppression mechanism 1 include fire extinguishing spout 5, low-melting-point metal sealing-plug (not shown),
And thermally conductive exhaust pipe 6, one end of the thermally conductive exhaust pipe 6 are connect with air accumulator 1, the other end is connect with fire extinguishing spout 5, described
Low-melting-point metal sealing-plug is arranged in thermally conductive exhaust pipe 6, and the low-melting-point metal sealing-plug is for obstructing gas from thermally conductive row
Tracheae 6 is discharged；The thermally conductive exhaust pipe 6 and the thermally conductive connection of conducting wire 7 for connecting breaker, the disconnecting mechanism 3 can be in gas storage
The switch of cut-off breaker when 1 air pressure of tank is reduced.Herein, because fire source relatively easily occurs in the connecting terminal of breaker 8, so going out
Fire-fighting mouth 5 towards connecting terminal 8, can quickly, effectively put out fire source, the low-melting-point metal sealing-plug is preferably provided at fire extinguishing
One end of thermally conductive exhaust pipe where spout, due to the connecting terminal close to breaker, temperature is relatively high, it is easier to melt.
Compared with prior art, automatic fire extinguisher provided by the invention, when there is short circuit in photovoltaic combiner box, breaker
Equal connecting terminals generate high temperature, so that line temperature be made to increase, which can reach 1000 DEG C or more, and thermally conductive exhaust pipe 6 passes through
Route it is thermally conductive after, melt low-melting-point metal sealing-plug slightly in a short time, at the same air accumulator 1 provide gas pressure intensity
By the low-melting-point metal sealing-plug ejection in thermally conductive exhaust pipe, then fire-suppressant gas is sprayed from fire extinguishing spout 5, quickly, is effectively flutterred
Fire extinguishing source, the stability of self-extinguishing.When there is overcurrent or other environmental factors cause photovoltaic combiner box that fire occurs, break
The switch of breaker 10 can be disconnected automatically when fire-suppressant gas sprays, solve existing automatic citrcuit bearker needs by road mechanism
Institute's overcurrent reaches the problem of certain threshold value can disconnect, and improves the safety of photovoltaic combiner box.
Specifically, the disconnecting mechanism 3 includes conduit 31, the piston cylinder 9 and drawstring 32 being arranged on the downside of breaker, institute
It states piston cylinder 9 to connect by conduit 31 with air accumulator 1, the piston cylinder 9 includes cylinder body 91, piston 92, piston rod 93, the work
Plug 92 is slidably connected with cylinder body 91, and one end of the piston rod 93 is vertically provided on the upper surface of piston 92, and the other end passes through
Drawstring 23 is connect with the switch 10 of breaker.When the air pressure of air accumulator 1 reduces, the both ends of piston 92 will appear pressure difference, gas
Pressure pushes piston 92 to move to conduit side, and then drawstring 32 pulls the switch 10 of breaker to realize that route is disconnected straight down
It opens.It is arranged in this way, can effectively avoids the fire due to caused by other factors other than short circuit current or overload current
Calamity, automatic citrcuit bearker can not disconnecting circuit the problem of.Preferably, the top of the cylinder body 91 is also provided with inflating port 94, open circuit
Mechanism by being filled with gas to inflating port, makes the pressure of piston upper and lower ends keep equal, to make disconnecting mechanism during installation
When to be triggered, in the case where meeting piston upper and lower ends pressure equilibrium, the maximum position apart from piston cylinder inner upper end is arranged in piston
Place pulls the sensitivity of the switch of breaker convenient for the switch connection of piston rod and breaker and raising drawstring.
In this implementation, the thermally conductive exhaust pipe 6 is connected by link block 10 with the conducting wire 7 for connecting breaker.Herein, described
Copper link block 10 wraps up the outer surface of thermally conductive exhaust pipe and conducting wire, when a short circuit occurs, obtains thermally conductive exhaust pipe more effectively
Get the heat of conducting wire.The material of the link block is preferably copper, good heat conductivity.
Preferably, the thermally conductive exhaust pipe 6 is set as copper exhaust pipe.Herein, copper exhaust pipe has preferable
Heating conduction, thermal coefficient is λ=379.14W/ (m. DEG C), can quick conductive, and the wear-resisting impact of copper exhaust pipe
Good with hardness, fusing point is higher.
Preferably, the low-melting-point metal sealing-plug is set as tin matter sealing-plug.Herein, the tin matter sealing-plug
Fusing point be 231.89 DEG C, temperature caused by conducting wire when far below short circuit can be by tin matter sealing-plug after thermally conductive exhaust pipe is heated
Fast melt, and tin matter sealing-plug lighter weight, are ejected convenient for air pressure.
Preferably, the fire extinguishing spout 5 is set as tubaeform.It is arranged in this way, fire extinguishing spout can be expanded
Spray regime, further enhance extinguishing effect.
Preferably, the fire extinguishing spout 5 preferably uses copper material, when fire occurs, height caused by conducting wire
Temperature can also pass thermally conductive exhaust pipe by sprayer for extinguishing fire oral instructions, further speed up the thawing of low-melting-point metal sealing-plug, improve automatic
The validity of fire extinguishing.
Preferably, the fire-suppressant gas is set as carbon dioxide.It is arranged in this way, carbon dioxide is putting out fire
Carbon dioxide gas temperature while source due to ejection is lower, and photovoltaic combiner box internal temperature is made to be reduced rapidly to combustibles
Below burning point.
It, can according to the technique and scheme of the present invention and its hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement all should belong to protection scope of the present invention.
Claims (9)
1. a kind of automatic fire extinguisher for photovoltaic combiner box, which is characterized in that including the storage being arranged on photovoltaic combiner box
Gas tank and the fire suppression mechanism being arranged in photovoltaic combiner box and disconnecting mechanism, equipped with the gas for fire extinguishing in the air accumulator
Body, the fire suppression mechanism include fire extinguishing spout, low-melting-point metal sealing-plug and thermally conductive exhaust pipe, the thermally conductive exhaust pipe
One end is connect with air accumulator, and the other end is connect with fire extinguishing spout, and the low-melting-point metal sealing-plug is arranged in thermally conductive exhaust pipe,
The low-melting-point metal sealing-plug is discharged for obstructing gas from thermally conductive exhaust pipe；The thermally conductive exhaust pipe with connect breaker
The thermally conductive connection of conducting wire, the disconnecting mechanism can air accumulator air pressure reduce when cut-off breaker switch.
2. the automatic fire extinguisher according to claim 1 for photovoltaic combiner box, which is characterized in that the disconnecting mechanism
Including conduit, the piston cylinder and drawstring that are arranged on the downside of breaker, the piston cylinder is connect by conduit with air accumulator, described
The output end of piston cylinder can pull straight down the switch of breaker to realize disconnected when air accumulator air pressure is reduced by drawstring
Road.
3. the automatic fire extinguisher according to claim 2 for photovoltaic combiner box, which is characterized in that the piston cylinder packet
Cylinder body, piston, piston rod are included, the piston is slidably connected with cylinder body, and one end of the piston rod is vertically provided at the upper of piston
On end face, the other end is connected by the switch of drawstring and breaker.
4. the automatic fire extinguisher according to claim 1 for photovoltaic combiner box, which is characterized in that the thermally conductive exhaust
Pipe is connected by link block with the conducting wire for connecting breaker.
5. the automatic fire extinguisher according to claim 1 for photovoltaic combiner box, which is characterized in that the thermally conductive exhaust
Pipe is set as copper exhaust pipe.
6. the automatic fire extinguisher according to claim 1 for photovoltaic combiner box, which is characterized in that the low melting point gold
Belong to sealing-plug and is set as tin matter sealing-plug.
7. the automatic fire extinguisher according to claim 1 for photovoltaic combiner box, which is characterized in that the fire extinguishing spout
It is set as tubaeform.
8. the automatic fire extinguisher according to claim 1 for photovoltaic combiner box, which is characterized in that the fire extinguishing spout
It is set as copper fire extinguishing spout.
9. the automatic fire extinguisher according to claim 1 for photovoltaic combiner box, which is characterized in that the fire-suppressant gas
It is set as carbon dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811436023.1A CN109200504A (en) | 2018-11-28 | 2018-11-28 | A kind of automatic fire extinguisher for photovoltaic combiner box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811436023.1A CN109200504A (en) | 2018-11-28 | 2018-11-28 | A kind of automatic fire extinguisher for photovoltaic combiner box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109200504A true CN109200504A (en) | 2019-01-15 |
Family
ID=64994432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811436023.1A Pending CN109200504A (en) | 2018-11-28 | 2018-11-28 | A kind of automatic fire extinguisher for photovoltaic combiner box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109200504A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113013907A (en) * | 2021-03-03 | 2021-06-22 | 国网浙江省电力有限公司嘉兴供电公司 | Quick response energy storage device for distribution network |
| CN113067354A (en) * | 2021-03-03 | 2021-07-02 | 国网浙江省电力有限公司嘉兴供电公司 | Multi-stage response energy storage system of power distribution network |
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|---|---|---|---|---|
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| US4030061A (en) * | 1976-04-14 | 1977-06-14 | Minnesota Mining And Manufacturing Company | Electrical wire cutting circuit breaker |
| EP0406493A1 (en) * | 1989-07-07 | 1991-01-09 | NuAire Limited | A fire curtain installation |
| GB2288332A (en) * | 1994-04-16 | 1995-10-18 | Robert Edward Theakston | Sprinkler system for fire extinguishing |
| CN103357127A (en) * | 2013-07-11 | 2013-10-23 | 陈旃 | New forest fire prevention and extingiushment method and facility equipment thereof |
| CN203525185U (en) * | 2013-09-23 | 2014-04-09 | 上海纽特消防设备有限公司 | Fire recognition device |
| CN203874328U (en) * | 2014-04-09 | 2014-10-15 | 中国石油化工股份有限公司 | Fire alarm device for high-temperature storage tank |
| US9660428B2 (en) * | 2013-10-22 | 2017-05-23 | Siemens Aktiengesellschaft | Fireproof wall lead-through for an electrically insulated conductor and method for producing a fireproof wall lead-through |
| CN207024463U (en) * | 2017-08-04 | 2018-02-23 | 北京京东尚科信息技术有限公司 | Fire-retarding device |
| CN209361707U (en) * | 2018-11-28 | 2019-09-10 | 佛山市智阳能源有限公司 | A kind of automatic fire extinguisher for photovoltaic combiner box |
-
2018
- 2018-11-28 CN CN201811436023.1A patent/CN109200504A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR768288A (en) * | 1934-02-08 | 1934-08-03 | Automatic extinguishing system for fires occurring in any premises | |
| US4030061A (en) * | 1976-04-14 | 1977-06-14 | Minnesota Mining And Manufacturing Company | Electrical wire cutting circuit breaker |
| EP0406493A1 (en) * | 1989-07-07 | 1991-01-09 | NuAire Limited | A fire curtain installation |
| GB2288332A (en) * | 1994-04-16 | 1995-10-18 | Robert Edward Theakston | Sprinkler system for fire extinguishing |
| CN103357127A (en) * | 2013-07-11 | 2013-10-23 | 陈旃 | New forest fire prevention and extingiushment method and facility equipment thereof |
| CN203525185U (en) * | 2013-09-23 | 2014-04-09 | 上海纽特消防设备有限公司 | Fire recognition device |
| US9660428B2 (en) * | 2013-10-22 | 2017-05-23 | Siemens Aktiengesellschaft | Fireproof wall lead-through for an electrically insulated conductor and method for producing a fireproof wall lead-through |
| CN203874328U (en) * | 2014-04-09 | 2014-10-15 | 中国石油化工股份有限公司 | Fire alarm device for high-temperature storage tank |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113013907A (en) * | 2021-03-03 | 2021-06-22 | 国网浙江省电力有限公司嘉兴供电公司 | Quick response energy storage device for distribution network |
| CN113067354A (en) * | 2021-03-03 | 2021-07-02 | 国网浙江省电力有限公司嘉兴供电公司 | Multi-stage response energy storage system of power distribution network |
| CN113067354B (en) * | 2021-03-03 | 2022-05-24 | 国网浙江省电力有限公司嘉兴供电公司 | Multi-stage response energy storage system of power distribution network |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190115 |
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| RJ01 | Rejection of invention patent application after publication |