CN109381818A - For the fire prevention system in warehouse, method of fire protection and warehouse - Google Patents
For the fire prevention system in warehouse, method of fire protection and warehouse Download PDFInfo
- Publication number
- CN109381818A CN109381818A CN201710657074.6A CN201710657074A CN109381818A CN 109381818 A CN109381818 A CN 109381818A CN 201710657074 A CN201710657074 A CN 201710657074A CN 109381818 A CN109381818 A CN 109381818A
- Authority
- CN
- China
- Prior art keywords
- warehouse
- control valve
- close
- oxygen
- surge tank
- 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
- 230000002265 prevention Effects 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000001301 oxygen Substances 0.000 claims abstract description 60
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 60
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000000523 sample Substances 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 14
- 230000005611 electricity Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000000383 hazardous chemical Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000013056 hazardous product Substances 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000012360 testing method 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
- A62C3/04—Fire prevention, containment or extinguishing specially adapted for particular objects or places for dust or loosely-baled or loosely-piled materials, e.g. in silos, in chimneys
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
Abstract
The invention discloses a kind of fire prevention systems and warehouse for warehouse；Wherein, fire prevention system includes master controller, nitrogen-making device, surge tank, oxygen electrode probe and library door detection components；For storing nitrogen, inlet end is connected by connecting tube with the outlet side of nitrogen-making device surge tank, and the first control valve is equipped in the connecting tube.Baroceptor is installed on the tank body of surge tank, for detecting the air pressure inside of surge tank；The outlet side of surge tank is connected with the first blowdown pipe, and the second control valve is equipped on the first blowdown pipe；First control valve, the second control valve, baroceptor, nitrogen-making device, surge tank, oxygen electrode probe and library door detection components are electrically connected with master controller.The present invention can avoid the generation of fire to a certain extent.
Description
Technical field
The present invention relates to hazardous chemical storage facilities, in particular to a kind of fire prevention system for warehouse, method of fire protection
And warehouse.
Background technique
Hazardous chemical refers to the properties such as murder by poisoning, burn into explosion, burning, combustion-supporting, has to human body, facility, environment
Harmful severe poisonous chemicals and other chemicals；Therefore, special warehouse is used to place hazardous chemical.
The store interior oxygen content specific gravity of present most of storing dangerous chemicals is larger, oxygen as a kind of combustion adjuvant,
Meeting causes complete accident so that hazardous chemical is easily easy to happen spontaneous combustion under the conditions ofs high temperature etc..
Summary of the invention
In view of the deficienciess of the prior art, the first purpose of this invention is to provide a kind of fire prevention system for warehouse
System, can avoid the generation of fire to a certain extent.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of fire prevention system for warehouse, including master controller, nitrogen-making device, surge tank, oxygen electrode probe and library door inspection
Survey component；Surge tank is for storing nitrogen, and inlet end is connected by connecting tube with the outlet side of nitrogen-making device, the connecting tube
On the first control valve is installed；Baroceptor is installed on the tank body of surge tank, for detecting the air pressure inside of surge tank；It is slow
The outlet side for rushing tank is connected with the first blowdown pipe, and the second control valve is equipped on the first blowdown pipe；First control valve, the second control
Valve, baroceptor, nitrogen-making device, surge tank, oxygen electrode probe and library door detection components are electrically connected with master controller.
Pass through above technical scheme: detecting the oxygen concentration in warehouse using oxygen electrode probe, and in library door in pass
When closed state, if oxygen concentration is higher than preset first upper limit value, to reduce oxygen concentration, play for nitrogen to warehouse
Fireproof effect.
Preferably, the oxygen electrode probe is provided with two groups, to be respectively arranged in the upper and lower part in warehouse, each group of oxygen electricity
Pole probe is distributed around warehouse.
Pass through above technical scheme: so that testing result is more accurate
Preferably, the library door detection components are used close to switching, and are equipped with corresponding detection body on the door of library.
Pass through above technical scheme: master controller can according to close to switch whether detected body triggering come judge library door whether
It has been switched off.
It preferably, further include oxygenerator, the outlet side of oxygenerator is connected with the second blowdown pipe, pacifies on the second blowdown pipe
Equipped with third control valve；The oxygenerator, third control valve are electrically connected with master controller.
Pass through above technical scheme: since the oxygen concentration in warehouse is controlled in lower value, the inside staff is straight
It connects and enters in warehouse, be easy to produce hypoxia response, in turn；After master controller detects that Ku Men is opened, then oxygen processed is controlled
Device, third control valve are opened, with to warehouse oxygen.
Second object of the present invention is to provide a kind of warehouse have the characteristics that prevent stock from spontaneous combustion occurs.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of warehouse, including warehouse ontology and library door；It further include fire prevention system described in above scheme.
Pass through above technical scheme: fire is not susceptible in internal storage of hazardous product using the warehouse of this design.
Preferably, the Ku Men is passage door；The extreme position that passage door opens the door is provided with the first close switch,
It elapses the extreme position that door completely closes and is provided with second close to switch, the first close switch, the second close switch and master control
Device electrical connection processed；Passage door close to second close to switch side be provided with can by first close to switch, second close to switch
The detection body detected.
Pass through above technical scheme: when passage door respectively slides to the extreme position closed, the extreme position of unlatching, energy
It is enough to trigger first respectively close to switch, the second close switch.
Third object of the present invention is to provide a kind of method of fire protection, and having can prevent the stock in warehouse from occurring
The characteristics of spontaneous combustion.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of method of fire protection for above-mentioned warehouse, comprising:
Whether the Ku Men in detection warehouse closes；
Ruo Kumen is turned off, then detects whether the oxygen concentration in warehouse reaches preset first upper limit value；
If having reached, the unlatching of the second control valve is controlled, to be filled with nitrogen to warehouse；Until the oxygen concentration in warehouse drops to
Preset lower limit value, the second control valve of control are closed；
If not up to, keeping current detecting state；
Ruo Kumen is not turned off, then whether the oxygen depth detected in warehouse reaches the second upper limit value；
If controlling oxygenerator, third control valve unlatching, not up to, to be filled with oxygen to warehouse；Until oxygen concentration reaches
Second upper limit value, control oxygenerator, third control valve are closed；
If having reached, current detected state is kept.
Pass through above technical scheme: according to the switch state of library door, to carry out different tune to the oxygen concentration in warehouse
On the one hand fireproof effect is played in control, on the other hand also being capable of handy staff's entrance.
Detailed description of the invention
Fig. 1 is the schematic diagram in fire prevention system and warehouse in embodiment 1；
Fig. 2 is another schematic diagram in warehouse in embodiment 1；
Fig. 3 is another schematic diagram in warehouse in embodiment 1；
Fig. 4 is the structure chart in warehouse in embodiment 2；
Fig. 5 is the oxygen concentration control principle drawing in 2 neutron storehouse of embodiment；
Fig. 6 is the oxygen concentration control principle drawing in channel in embodiment 2.
Appended drawing reference: 1, warehouse；2, nitrogen-making device；3, surge tank；4, the first control valve；5, the second control valve；6, third
Control valve；7, oxygenerator；8, door is elapsed；9, the first close switch；10, the second close switch；11, pressure sensor；12, oxygen
Electrode probe；13, Zi Cang；14, electric warehouse door；15, the first blowdown pipe；16, the second blowdown pipe；17, the first tonifying Qi branch pipe；18,
Second tonifying Qi branch pipe；19, third tonifying Qi branch pipe；20, the 4th control valve；21, the 5th control valve；22, the 6th control valve；23, lead to
Road.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Embodiment 1:
Referring to figs. 1 to Fig. 3, a kind of fire prevention system for warehouse 1, including master controller, nitrogen-making device 2, surge tank 3, oxygen processed
Device 7, oxygen electrode probe 12 and library door detection components.Wherein, nitrogen-making device 2, surge tank 3, oxygenerator 7, oxygen electrode are visited
First 12 and library door detection components be electrically connected with master controller.
Wherein, for storing nitrogen, inlet end is connected by connecting tube with the outlet side of nitrogen-making device 2 surge tank 3,
First control valve 4 is installed in the connecting tube.Baroceptor is installed on the tank body of surge tank 3, for detecting surge tank 3
Air pressure inside.First control valve 4, baroceptor are electrically connected with master controller.When the air pressure inside of surge tank 3 is lower than default
Lower limit value when, master controller control nitrogen-making device 2 start, open simultaneously the first control valve 4, and then be filled with nitrogen to surge tank 3
Gas；When the air pressure inside of surge tank 3 reaches preset first upper limit value, master controller controls nitrogen-making device 2 and closes, and closes simultaneously
Close the first control valve 4.
The outlet side of surge tank 3 is connected with the first blowdown pipe 15, and the second control valve 5 is equipped on the first blowdown pipe 15, the
Two control valves 5 are electrically connected with master controller.
Oxygen electrode probe 12 is provided with multiple, be installed on position different in warehouse 1, and then detects warehouse 1 everywhere
Oxygen concentration.In turn, when the oxygen concentration in warehouse 1 is higher than preset first upper limit value (such as 15%, and at least over half
Oxygen electrode probe 12 feedback value be all satisfied this condition) when, master controller control the second control valve 5 open, by surge tank 3
Interior nitrogen is discharged into warehouse 1, to reduce the oxygen concentration in warehouse 1.When the oxygen concentration in warehouse 1 is lower than preset lower limit
When being worth (such as 10%), master controller controls the second control valve 5 and closes, and stops supplementing nitrogen to warehouse 1.
The outlet side of oxygenerator 7 is connected with the second blowdown pipe 16, is equipped with third control valve 6 on the second blowdown pipe 16,
Third control valve 6 is electrically connected with master controller.
Referring to Fig. 2, as an example, the door in warehouse 1 is passage door 8, which be can be manually, be also possible to electricity
Dynamic.Library door detection components include the first close close switch 10 of switch 9, second；It is set in the extreme position that passage door 8 opens the door
First is set close to switch 9, in the close switch 10 of extreme position setting second that passage door 8 completely closes, the first close switch
9, it second is electrically connected close to switch 10 with master controller；Being provided with close to second close to the side of switch 10 in passage door 8 can quilt
The first detection body detected close to switch 9, second close to switch 10；First is triggered close to switch 9, second close to switch 10
When, first state signal, the second status signal to master controller are transmitted respectively.
Referring to Fig. 3, it is provided with oxygen electrode probe 12 in top, the lower part in warehouse 1, oxygen electrode probe 12 is for detecting storehouse
The concentration of oxygen in library 1, and be electrically connected with master controller, the corresponding detection signal of 12 transmitting of oxygen electrode probe to master controller；
In the case where elapsing door 8 and closing, as long as when any one oxygen concentration of 1 internal upper part of warehouse or lower part is more than preset value
When, master controller controls the second control valve 5 and opens, and the nitrogen being previously stored in surge tank 3 is filled in warehouse 1.
Referring to figs. 1 to Fig. 3, the workflow of the present embodiment is described below:
When staff needs to enter in warehouse 1, opens extreme position of the passage door 8 to enabling, first transmits close to switch 9
First state signal is to master controller, at this point, the oxygen concentration in warehouse 1 is lower than preset first upper limit value, master controller is not
The second control valve 5 is opened, and controls oxygenerator 7, the opening of third control valve 6, so that oxygenerator 7 is filled with oxygen into warehouse 1
Gas, when oxygen concentration is equal or close to preset second upper limit value, master controller controls oxygenerator 7, third control
Valve 6 is closed, so that oxygenerator 7 stops supplying oxygen into warehouse 1.
When staff leaves warehouse 1, will passage door 8 when closing to touching second close to switch 10, second close to switching
10 the second status signals of transmitting are to master controller, at this point, oxygen concentration is higher than preset first upper limit value, master controller control the
Two control valves 5 are opened, so that surge tank 3 is filled with nitrogen into warehouse 1, until oxygen concentration reaches preset lower limit value,
Then master controller controls the second control valve 5 and closes, and surge tank 3 stops being filled with nitrogen into warehouse 1.
Embodiment 2:
On the basis of embodiment 1, the present embodiment provides a kind of warehouse 1, above-mentioned fire prevention system is contained.
Referring to fig. 4 to fig. 6, the inside in warehouse 1 is divided sub- storehouse 13 several different, and every sub- storehouse 13 is relatively independent,
And it is provided with electric warehouse door 14, electric warehouse door 14 is electrically connected with master controller；A channel 23, sub- storehouse are provided in warehouse 1
13 are located at the two sides in channel 23.Each sub- storehouse 13 is mounted on oxygen electrode probe 12, and respectively by the first tonifying Qi branch pipe 17,
Second tonifying Qi branch pipe 18 is connected to the first blowdown pipe 15, the second blowdown pipe 16, on the first tonifying Qi branch pipe 17, the second tonifying Qi branch pipe 18
Be separately installed with the 4th control valve 20(and correspond to nitrogen), the 5th control valve 21(correspond to oxygen), the 4th control valve the 20, the 5th control
Valve 21 is electrically connected with master controller.
Oxygen electrode probe 12 and third tonifying Qi branch pipe 19 are also installed in the channel 23；Third tonifying Qi branch pipe 19 and
Two blowdown pipes 16 are connected to, and are equipped with the 6th control valve 22 on the second blowdown pipe 16, the 6th control valve 22 is electrically connected with master controller.
Master controller is configured with communication module, to carry out telecommunication with remote control terminal.
Remote control terminal is configured with reservation module, reserves so that corresponding staff carries out warehouse 1.Staff passes through
Reservation module is inputted to the subscription time for corresponding to sub- storehouse 13 in warehouse 1；When subscription time reaches, remote control terminal is then to master control
Device processed issues corresponding control instruction, and after master controller receives control instruction, oxygenerator 7, third control valve is immediately controlled
6, the 5th control valve 21 and the 6th control valve 22 are opened, to be filled with oxygen to corresponding sub- storehouse 13；In group storehouse 13, channel 23
Oxygen concentration reach suitable value after, master controller control again oxygenerator 7, third control valve 6, the 5th control valve 21 with
And the 6th control valve 22 close.
Master controller is also configured with module of swiping the card, and staff carries out identity using corresponding identification card (IC, RFID etc.)
Confirmation, after confirmation, master controller control passage door 8(is electronic) electrically operated gate on Ji Zicang 13 opens.At this point, staff can be straight
It taps into channel 23, enters corresponding sub- storehouse 13 later and access cargo.
The above is only exemplary embodiment of the invention, protection scope and is not intended to limit the present invention, this hair
Bright protection scope is determined by the attached claims.
Claims (7)
1. a kind of fire prevention system for warehouse, characterized in that including master controller, nitrogen-making device (2), surge tank (3), oxygen electricity
Pole is popped one's head in (12) and library door detection components；Surge tank (3) passes through connecting tube and nitrogen-making device for storing nitrogen, inlet end
(2) outlet side is connected, and the first control valve (4) are equipped in the connecting tube；Air pressure transmission is installed on the tank body of surge tank (3)
Sensor, for detecting the air pressure inside of surge tank (3)；The outlet side of surge tank (3) is connected with the first blowdown pipe (15), and first mends
Second control valve (5) are installed on tracheae (15)；First control valve (4), the second control valve (5), baroceptor, nitrogen-making device
(2), surge tank (3), oxygen electrode probe (12) and library door detection components are electrically connected with master controller.
2. the fire prevention system according to claim 1 for warehouse, characterized in that the oxygen electrode probe (12) is provided with
Two groups, to be respectively arranged in the upper and lower part of warehouse (1), each group of oxygen electrode probe (12) is distributed around warehouse (1).
3. the fire prevention system according to claim 1 for warehouse, characterized in that the library door detection components are using close
It switchs, corresponding detection body is installed on the door of library.
4. the fire prevention system according to claim 1 for warehouse, characterized in that it further include oxygenerator (7), oxygen dress processed
The outlet side for setting (7) is connected with the second blowdown pipe (16), and third control valve (6) are equipped on the second blowdown pipe (16)；The system
Oxygen device (7), third control valve (6) are electrically connected with master controller.
5. a kind of warehouse, including warehouse (1) ontology and library door；It is characterized in that further including as described in claim 1-4 is any
Fire prevention system.
6. warehouse according to claim 5, characterized in that the Ku Men is passage door (8)；It opens the door in passage door (8)
Extreme position is provided with first close to switch (9), and it is close that the extreme position that passage door (8) completely closes is provided with second
It switchs (10), first is electrically connected close to switch (10) with master controller close to switch (9), second；In passage door (8) close to second
The detection body that can be detected by first close to switch (9), the second close switch (10) is provided with close to the side of switch (10).
7. a kind of method of fire protection for the warehouse described in claim 5, characterized in that include:
Whether the Ku Men in detection warehouse (1) closes；
Ruo Kumen is turned off, then detects whether the oxygen concentration in warehouse (1) reaches preset first upper limit value；
If having reached, the second control valve (5) unlatching is controlled, to be filled with nitrogen to warehouse (1)；Oxygen in warehouse (1)
Concentration drops to preset lower limit value, and control the second control valve (5) is closed；
If not up to, keeping current detecting state；
Ruo Kumen is not turned off, then whether the oxygen depth detected in warehouse (1) reaches the second upper limit value；
If controlling oxygenerator (7), third control valve (6) unlatching, not up to, to be filled with oxygen to warehouse (1)；Until oxygen
Concentration reaches the second upper limit value, and control oxygenerator (7), third control valve (6) are closed；
If having reached, current detected state is kept.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710657074.6A CN109381818A (en) | 2017-08-03 | 2017-08-03 | For the fire prevention system in warehouse, method of fire protection and warehouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710657074.6A CN109381818A (en) | 2017-08-03 | 2017-08-03 | For the fire prevention system in warehouse, method of fire protection and warehouse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109381818A true CN109381818A (en) | 2019-02-26 |
Family
ID=65412950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710657074.6A Pending CN109381818A (en) | 2017-08-03 | 2017-08-03 | For the fire prevention system in warehouse, method of fire protection and warehouse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109381818A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080105443A1 (en) * | 2003-03-11 | 2008-05-08 | Basf Coatings Aktiengesellschaft | Fire And Explosion Protection Method In A High-Bay Warehouse In Which Chemical Hazardous Materials Are Stored, And Fire/Explosion-Protected High-Bay Warehouse |
| CN104973359A (en) * | 2015-05-29 | 2015-10-14 | 中国石油化工股份有限公司 | Process device and method for preventing fire gas phase propagation of combustible liquid storage tank region |
| CN205964802U (en) * | 2016-07-25 | 2017-02-22 | 吴树林 | Active fire protection system |
-
2017
- 2017-08-03 CN CN201710657074.6A patent/CN109381818A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080105443A1 (en) * | 2003-03-11 | 2008-05-08 | Basf Coatings Aktiengesellschaft | Fire And Explosion Protection Method In A High-Bay Warehouse In Which Chemical Hazardous Materials Are Stored, And Fire/Explosion-Protected High-Bay Warehouse |
| CN104973359A (en) * | 2015-05-29 | 2015-10-14 | 中国石油化工股份有限公司 | Process device and method for preventing fire gas phase propagation of combustible liquid storage tank region |
| CN205964802U (en) * | 2016-07-25 | 2017-02-22 | 吴树林 | Active fire protection system |
Non-Patent Citations (1)
| Title |
|---|
| 中国机械工程学会等: "《"数控一代"案例集 物流技术与装备卷》", 中国科学技术出版社, pages: 285 - 286 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108762330A (en) | Automatic explosion-proof device and battery pack detecting system for power battery pack detection | |
| CN106249679A (en) | High risk Laboratory Monitoring System based on Internet of Things | |
| CN106323104A (en) | Guided missile ground comprehensive test device and method based on wireless network | |
| CN203705593U (en) | High-voltage testing system based on intelligent safety fence | |
| CN203706560U (en) | A fire hazard simulator | |
| CN105954314A (en) | Device and method for testing sensitivity to spontaneous ignition of flammable dust | |
| CN102935275A (en) | Test method and device for evaluating total flooding extinguishing performance | |
| CN103714739A (en) | Fire test box with variable low air pressure and variable oxygen concentration | |
| CN206995646U (en) | A kind of on-vehicle battery fire extinguishing structure using mixing extinguishing chemical | |
| CN109381818A (en) | For the fire prevention system in warehouse, method of fire protection and warehouse | |
| CN204204161U (en) | A kind of leakage gas-detecting device | |
| CN108236767A (en) | Intelligent fire sprays head | |
| CN207076041U (en) | Fire prevention system and warehouse for warehouse | |
| CN103632598A (en) | Fire simulator | |
| KR102353490B1 (en) | Plenum moisturizing system | |
| CN105536178B (en) | The extinguishing device and its control method of kitchen appliance | |
| CN208506607U (en) | Automatic explosion-proof device and battery pack detection system for power battery pack detection | |
| KR101585020B1 (en) | Plenum moisturizing system | |
| CN212593639U (en) | Open space suppressor | |
| CN107274533A (en) | A kind of full room finger trap safety system | |
| CN204745419U (en) | Coal spontaneous combustion early warning and fire protection system are deposited to former coal scuttle | |
| CN111514496A (en) | Open space suppressor | |
| CN203643557U (en) | High-voltage insulation safety test system of insulating gloves and insulating boots | |
| CN208975062U (en) | A kind of fire-fighting system | |
| CN203175602U (en) | Escape capsule oxygen supply automatic control device |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190226 |
|
| RJ01 | Rejection of invention patent application after publication |