CN108478974A - A kind of fire fighting extinguisher sealing opening device - Google Patents
A kind of fire fighting extinguisher sealing opening device Download PDFInfo
- Publication number
- CN108478974A CN108478974A CN201810517700.6A CN201810517700A CN108478974A CN 108478974 A CN108478974 A CN 108478974A CN 201810517700 A CN201810517700 A CN 201810517700A CN 108478974 A CN108478974 A CN 108478974A
- Authority
- CN
- China
- Prior art keywords
- opening device
- embedded
- sealing opening
- sealing
- pressure control
- 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.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
- A62C35/08—Containers destroyed or opened by bursting charge
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 fire fighting extinguisher sealing opening devices, its structure includes extinguishing device fixing bracket, acoustic-optic alarm, sealing opening device case, the extinguishing device fixing bracket is equipped with fixed support plate, fixed expansion bolt, conducting wire connecting bushing, internal connecting wire, the acoustic-optic alarm is equipped with control power pack, acousto-optic chip controls box, audible and visible alarm lamp, the sealing opening device case is equipped with circuit trigger mechanism, the first Pneumatic controller, the second Pneumatic controller, the beneficial effects of the invention are as follows：Internal circuit connection can be triggered by automatic sensing fire temperature, activation inert gas, which ejects extinguishing chemical, puts out a fire, start audible-visual annunciator simultaneously and carries out alarm of fire, mercury dropped after fire is eliminated, pressure control small floating ball return to small floating ball and fix on rubber ring, disconnecting circuit, it avoids that extinguishing chemical is caused to waste, so that extinguishing chemical is efficiently used, puts out a fire automatically, energy-saving safety.
Description
Technical field
The present invention relates to fire fighting extinguisher field, specifically a kind of fire fighting extinguisher sealing opening device.
Background technology
With China's economic sustained and rapid development, overall national strength gradually enhances and the quickening of Process of Urbanization Construction and at different levels
Great attention of the government to fire-fighting work, country increase the input of urban fire-fighting equipment year by year, and governments at all levels are used to purchase every year
The expense for buying fire-fighting equipment and goods and materials increases year by year, and China fire product market was in the situation of fast development in recent years.
Ultrafine dry powder extinguishing installation is widely used in office space, vehicle, residence etc., and basic structure has with fire extinguishing material
Unified national standard, wherein sealing opening device directly influences use and the extinguishing effect of fire fighting extinguisher, city at present
The fire fighting extinguisher generally uses diaphragm seal piece scoring method to seal and open on face, and this method groove is crucial.
Currently, because most producer's groove is low using manually or mechanically groove manufacturing process, it can not ensure the groove depth, make
It is small when obtaining big when fire fighting extinguisher Opening pressure, it can not ensure fire fighting extinguisher jet quality, i.e. Opening pressure is unstable,
There is jet-stacking and the excessive problem of residual quantity in some, and some sealing diaphragms of not opening even cause injection failure, also
There is leakage powder phenomenon, various security risks are brought to user.
Invention content
It is a primary object of the present invention to overcome the deficiencies of the prior art and provide a kind of fire fighting extinguisher sealing unlatching
Device.
The present invention adopts the following technical scheme that realize：A kind of fire fighting extinguisher sealing opening device, structure packet
Extinguishing device fixing bracket, acoustic-optic alarm, sealing opening device case are included, the extinguishing device fixing bracket is nibbled by screw thread
Conjunction is connected to above acoustic-optic alarm, the acoustic-optic alarm by screw thread engagement be connected to extinguishing device fixing bracket with
Between sealing opening device case, the sealing opening device case is connected to by screw thread engagement below acoustic-optic alarm, described
Extinguishing device fixing bracket is equipped with fixed support plate, fixed expansion bolt, conducting wire connecting bushing, internal connecting wire, described solid
Determine support plate to be connected to above control power pack by bolt riveted, the fixed expansion bolt is connected to solid by screw thread engagement
To determine in support plate, the conducting wire connecting bushing is connected to by screw thread engagement between control power pack and sealing opening device case,
The internal connecting wire is embedded inside conducting wire connecting bushing, and the internal connecting wire is connected to control power pack and acousto-optic
Between warning device, the internal connecting wire is connected between control power pack and sealing opening device case；The acousto-optic report
Alarm device is equipped with control power pack, acousto-optic chip controls box, audible and visible alarm lamp, and the control power pack is connected by bolt riveted
Below fixed support plate, the control power pack is connected to by screw thread engagement at the top of conducting wire connecting bushing, the acousto-optic core
Piece control box is connected to by screw thread engagement on conducting wire connecting bushing, and the audible and visible alarm lamp is embedded at outside acousto-optic chip controls box
On surface；The sealing opening device case is equipped with circuit trigger mechanism, the first Pneumatic controller, the second Pneumatic controller,
The circuit trigger mechanism is embedded inside sealing opening device case, and the circuit trigger mechanism is embedded at the first pressure control dress
It sets between the second Pneumatic controller, first Pneumatic controller is embedded at circuit trigger mechanism side, and described second
Pneumatic controller is embedded at the circuit trigger mechanism other side.
As an optimization, the circuit trigger mechanism is equipped with temperature sensor head, gas access holes, pressure control cavity, pressure control
Small floating ball processed, small floating ball fix rubber ring, U-shaped energization contact block, and the temperature sensor head opens dress by vertical welding in sealing
It sets below case, the gas access holes is uniformly equidistantly embedded in temperature sensor head.
As an optimization, the pressure control cavity is embedded inside sealing opening device case, and the pressure control small floating ball is embedding
Inside pressure control cavity, the small floating ball is fixed rubber ring and is embedded between pressure control cavity and temperature sensor head, the U
Type energization contact block vertical welding is between conducting wire connecting bushing and pressure control cavity.
As an optimization, first Pneumatic controller is equipped with the first gas generating agent tank, the first extinguishing chemical carrying case, first close
Sealer piece, the first high-pressure nozzle, first gas venthole, the first gas generating agent tank vertical welding is in U-shaped energization contact block side
On, the first extinguishing chemical carrying case is embedded at pressure control cavity side.
As an optimization, the first sealing diaphragm is embedded between the first high-pressure nozzle and the first extinguishing chemical carrying case, institute
The first high-pressure nozzle vertical welding is stated on sealing opening device case side surface, the first gas venthole is uniformly equidistantly embedded
In on the first gas generating agent tank outer surface.
As an optimization, second Pneumatic controller is equipped with the second gas generating agent tank, the second extinguishing chemical carrying case, second close
Sealer piece, the second high-pressure nozzle, second gas venthole, the second gas generating agent tank vertical welding is in U-shaped energization contact block side
On, the second extinguishing chemical carrying case is embedded at the pressure control cavity other side.
As an optimization, the second sealing diaphragm is embedded between the second high-pressure nozzle and the second extinguishing chemical carrying case, institute
The second high-pressure nozzle vertical welding is stated on sealing opening device case side surface, the second gas venthole is uniformly equidistantly embedded
In on the second gas generating agent tank outer surface.
Advantageous effect
When a kind of fire fighting extinguisher of the present invention is worked with sealing opening device, by being equipped with a kind of circuit triggering machine
Structure, the circuit trigger mechanism are equipped with temperature sensor head, gas access holes, pressure control cavity, pressure control small floating ball, small floating ball
Fixed rubber ring, U-shaped energization contact block, when a fire, external temperature increases, since pressure is uneven after temperature increases,
Pressure will be pushed to control small floating ball towards pressing inside pressure control cavity, be connected until with U-shaped energization contact block, to be connected to electricity
Road, make acoustic-optic alarm carry out alarm work, while also drive the first Pneumatic controller and the second Pneumatic controller into
Row work；
By being equipped with a kind of first Pneumatic controller, first Pneumatic controller is equipped with the first gas generating agent tank, the
One extinguishing chemical carrying case, the first sealing diaphragm, the first high-pressure nozzle, first gas venthole, when connection circuit, it will activation
Inert gas inside first gas generating agent tank, inert gas are entered by first gas venthole in the first extinguishing chemical carrying case,
To be squeezed extinguishing chemical to the limit by the air pressure constantly enhanced, finally the first sealing diaphragm is racked, passes through first
High-pressure nozzle ejects, and carries out fire-fighting work；
By being equipped with a kind of second Pneumatic controller, second Pneumatic controller is equipped with the second gas generating agent tank, the
Two extinguishing chemical carrying cases, the second sealing diaphragm, the second high-pressure nozzle, second gas venthole, when connection circuit, it will activation
Inert gas inside second gas generating agent tank, inert gas are entered by second gas venthole in the second extinguishing chemical carrying case,
To be squeezed extinguishing chemical to the limit by the air pressure constantly enhanced, finally the second sealing diaphragm is racked, passes through second
High-pressure nozzle ejects, and carries out fire-fighting work；
By being equipped with a kind of circuit trigger mechanism, the circuit trigger mechanism is equipped with temperature sensor head, gas access holes, pressure
Power control chamber, pressure control small floating ball, small floating ball fix rubber ring, U-shaped energization contact block, after fire is off, external temperature
Decline, pressure restores normal, thus pressure control small floating ball can be disconnected with U-shaped energization contact block, returned to small floating ball and fixed rubber
On cushion rubber, to stop alarm work and fire-fighting work, the use of extinguishing chemical is saved.
Compared with prior art, the beneficial effects of the invention are as follows：Internal electricity can be triggered by automatic sensing fire temperature
Road is connected to, and activation inert gas, which ejects extinguishing chemical, puts out a fire, while starting audible-visual annunciator and carrying out alarm of fire, when
Mercury dropped after fire is eliminated, pressure control small floating ball return to small floating ball and fix on rubber ring, and disconnecting circuit avoids causing to put out a fire
Agent wastes, and so that extinguishing chemical is efficiently used, puts out a fire automatically, energy-saving safety.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the structural schematic diagram that a kind of fire fighting extinguisher of the present invention seals opening device.
Fig. 2 is the structural schematic diagram under a kind of fire fighting extinguisher sealing opening device working condition of the present invention.
Fig. 3 is the internal structure schematic diagram of the U-shaped energization contact block of the present invention.
Fig. 4 is the enlarged structure schematic diagram of the first high-pressure nozzle of the invention.
Fig. 5 is the enlarged structure schematic diagram of the second high-pressure nozzle of the invention.
In figure：Extinguishing device fixing bracket 1, sealing opening device case 3, fixed support plate 10, is consolidated acoustic-optic alarm 2
Determine expansion bolt 11, conducting wire connecting bushing 12, internal connecting wire 13, control power pack 20, acousto-optic chip controls box 21, acousto-optic
Warning light 22, circuit trigger mechanism 30, temperature sensor head 300, gas access holes 301, pressure control cavity 302, pressure control are small
Floating ball 303, small floating ball fix rubber ring 304, U-shaped energization contact block 305, the first Pneumatic controller 31, the first gas generating agent tank
310, the first extinguishing chemical carrying case 311, first sealing diaphragm 312, the first high-pressure nozzle 313, first gas venthole 314, the
Two Pneumatic controllers 32, the second gas generating agent tank 320, the second extinguishing chemical carrying case 321, second sealing diaphragm 322, the second high pressure
Nozzle 323, second gas venthole 324.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 5 are please referred to Fig.1, the present invention provides a kind of fire fighting extinguisher sealing opening device technical solution：Its structure packet
Extinguishing device fixing bracket 1, acoustic-optic alarm 2, sealing opening device case 3 are included, the extinguishing device fixing bracket 1 passes through spiral shell
Line engagement is connected to 2 top of acoustic-optic alarm, and the acoustic-optic alarm 2 is connected to extinguishing device by screw thread engagement and fixes
Between holder 1 and sealing opening device case 3, the sealing opening device case 3 is connected to acoustic-optic alarm 2 by screw thread engagement
Lower section, the extinguishing device fixing bracket 1 are equipped with fixed support plate 10, fixed expansion bolt 11, conducting wire connecting bushing 12, inside
Connecting wire 13, the fixed support plate 10 are connected to 20 top of control power pack, the fixed expansion spiral shell by bolt riveted
Bolt 11 is connected to by screw thread engagement on fixed support plate 10, and the conducting wire connecting bushing 12 is connected to control by screw thread engagement
Between power pack 20 and sealing opening device case 3, the internal connecting wire 13 is embedded inside conducting wire connecting bushing 12, described
Internal connecting wire 13 is connected between control power pack 20 and acoustic-optic alarm 2, and the internal connecting wire 13 is connected to
It controls between power pack 20 and sealing opening device case 3；The acoustic-optic alarm 2 is equipped with control power pack 20, acousto-optic chip
Control box 21, audible and visible alarm lamp 22, the control power pack 20 is connected to 10 lower section of fixed support plate by bolt riveted, described
Control power pack 20 is connected to 12 top of conducting wire connecting bushing by screw thread engagement, and the acousto-optic chip controls box 21 passes through screw thread
Engagement is connected on conducting wire connecting bushing 12, and the audible and visible alarm lamp 22 is embedded on 21 outer surface of acousto-optic chip controls box；Institute
It states sealing opening device case 3 and is equipped with circuit trigger mechanism 30, the first Pneumatic controller 31, the second Pneumatic controller 32, institute
It states circuit trigger mechanism 30 to be embedded inside sealing opening device case 3, the circuit trigger mechanism 30 is embedded at the first air pressure control
Between 31 and second Pneumatic controller 32 of device processed, first Pneumatic controller 31 is embedded at circuit trigger mechanism 30 1
Side, second Pneumatic controller 32 are embedded at 30 other side of circuit trigger mechanism.
The circuit trigger mechanism 30 is equipped with temperature sensor head 300, gas access holes 301, pressure control cavity 302, pressure
Small floating ball 303, small floating ball fixation rubber ring 304, U-shaped energization contact block 305 are controlled, the temperature sensor head 300 passes through vertical welding
It is connected to 3 lower section of sealing opening device case, the gas access holes 301 is uniformly equidistantly embedded in temperature sensor head 300.
The pressure control cavity 302 is embedded inside sealing opening device case 3, and the pressure control small floating ball 303 is embedded
Inside pressure control cavity 302, the small floating ball fixes rubber ring 304 and is embedded at pressure control cavity 302 and temperature sensor head 300
Between, U-shaped 305 vertical welding of energization contact block is between conducting wire connecting bushing 12 and pressure control cavity 302.
It is close that first Pneumatic controller 31 is equipped with the first gas generating agent tank 310, the first extinguishing chemical carrying case 311, first
Sealer piece 312, the first high-pressure nozzle 313, first gas venthole 314,310 vertical welding of the first gas generating agent tank is in U-shaped
On 305 side of energization contact block, the first extinguishing chemical carrying case 311 is embedded at 302 side of pressure control cavity.
The first sealing diaphragm 312 is embedded between the first high-pressure nozzle 313 and the first extinguishing chemical carrying case 311, institute
313 vertical welding of the first high-pressure nozzle is stated on 3 side surface of sealing opening device case, the first gas venthole 314 is uniform
Equidistantly it is embedded on 310 outer surface of the first gas generating agent tank.
It is close that second Pneumatic controller 32 is equipped with the second gas generating agent tank 320, the second extinguishing chemical carrying case 321, second
Sealer piece 322, the second high-pressure nozzle 323, second gas venthole 324,320 vertical welding of the second gas generating agent tank is in U-shaped
On 305 side of energization contact block, the second extinguishing chemical carrying case 321 is embedded at 302 other side of pressure control cavity.
The second sealing diaphragm 322 is embedded between the second high-pressure nozzle 323 and the second extinguishing chemical carrying case 321, institute
323 vertical welding of the second high-pressure nozzle is stated on 3 side surface of sealing opening device case, the second gas venthole 324 is uniform
Equidistantly it is embedded on 320 outer surface of the second gas generating agent tank.
When in use, when a fire, external temperature increases, and external temperature raising then will produce pressure, by pressure control
Small floating ball 303 processed is pushed to inside pressure control cavity 302, to be connected with U-shaped energization contact block 305, to the first aerogenesis of connection
The circuit of agent tank 310 and the second gas generating agent tank 320 makes the indifferent gas inside the first gas generating agent tank 310 and the second gas generating agent tank 320
Body is activated, to respectively enter the first extinguishing chemical carrying case by first gas venthole 314 and second gas venthole 324
311 and second in extinguishing chemical carrying case 321, squeezes extinguishing chemical, and first seals diaphragm 312 and the after pressure reaches to a certain degree
Two sealing diaphragms 322 are squeezed and broken, to be ejected extinguishing chemical by the first high-pressure nozzle 313 and the second high-pressure nozzle 323
Put out a fire, while when U-shaped energization contact block 305 and pressure control 303 connection circuit of small floating ball, acoustic-optic alarm 2 also into
Row alarm works.
The technological progress that the present invention obtains compared with the prior art is：Internal electricity can be triggered by automatic sensing fire temperature
Road is connected to, and activation inert gas, which ejects extinguishing chemical, puts out a fire, while starting audible-visual annunciator and carrying out alarm of fire, when
Mercury dropped after fire is eliminated, pressure control small floating ball return to small floating ball and fix on rubber ring, and disconnecting circuit avoids causing to put out a fire
Agent wastes, and so that extinguishing chemical is efficiently used, puts out a fire automatically, energy-saving safety.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc.
With replacing, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection domain of invention.
Claims (7)
1. a kind of fire fighting extinguisher sealing opening device, structure include extinguishing device fixing bracket, acoustic-optic alarm,
Opening device case is sealed, the extinguishing device fixing bracket is connected to by screw thread engagement above acoustic-optic alarm, the sound
Light warning device is connected to by screw thread engagement between extinguishing device fixing bracket and sealing opening device case, and the sealing is opened
Device case is connected to by screw thread engagement below acoustic-optic alarm, it is characterised in that：
The extinguishing device fixing bracket is led equipped with fixed support plate, fixed expansion bolt, conducting wire connecting bushing, internal connection
Line, the fixed support plate are connected to by bolt riveted above control power pack, and the fixed expansion bolt is nibbled by screw thread
Conjunction is connected on fixed support plate, and the conducting wire connecting bushing is connected to control power pack by screw thread engagement and opens dress with sealing
Between setting case, the internal connecting wire is embedded inside conducting wire connecting bushing, and the internal connecting wire is connected to control electricity
Between source capsule and acoustic-optic alarm, the internal connecting wire is connected between control power pack and sealing opening device case；
The acoustic-optic alarm is equipped with control power pack, acousto-optic chip controls box, audible and visible alarm lamp, and the control power pack is logical
It crosses bolt riveted to be connected to below fixed support plate, the control power pack is connected to conducting wire connecting bushing top by screw thread engagement
Portion, the acousto-optic chip controls box are connected to by screw thread engagement on conducting wire connecting bushing, and the audible and visible alarm lamp is embedded at sound
Optical chip controls on box outer surfac；
The sealing opening device case is equipped with circuit trigger mechanism, the first Pneumatic controller, the second Pneumatic controller, described
Circuit trigger mechanism be embedded at sealing opening device case inside, the circuit trigger mechanism be embedded at the first Pneumatic controller with
Between second Pneumatic controller, first Pneumatic controller is embedded at circuit trigger mechanism side, second air pressure
Control device is embedded at the circuit trigger mechanism other side.
2. a kind of fire fighting extinguisher according to claim 1 sealing opening device, it is characterised in that：The circuit touches
It sends out mechanism and is equipped with temperature sensor head, gas access holes, pressure control cavity, pressure control small floating ball, small floating ball fixation rubber ring, U
Type energization contact block, for the temperature sensor head by vertical welding below sealing opening device case, the gas access holes is uniform
Equidistantly it is embedded in temperature sensor head.
3. a kind of fire fighting extinguisher according to claim 2 sealing opening device, it is characterised in that：The pressure control
Chamber processed is embedded inside sealing opening device case, and the pressure control small floating ball is embedded inside pressure control cavity, described small floating
Ball is fixed rubber ring and is embedded between pressure control cavity and temperature sensor head, and the U-shaped energization contact block vertical welding connects in conducting wire
Spindle covers between pressure control cavity.
4. a kind of fire fighting extinguisher according to claim 1 sealing opening device, it is characterised in that：First gas
Pressure control device is equipped with the first gas generating agent tank, the first extinguishing chemical carrying case, the first sealing diaphragm, the first high-pressure nozzle, the first gas
Body venthole, on U-shaped energization contact block side, the first extinguishing chemical carrying case is embedded the first gas generating agent tank vertical welding
In pressure control cavity side.
5. a kind of fire fighting extinguisher according to claim 4 sealing opening device, it is characterised in that：Described first is close
Sealer piece is embedded between the first high-pressure nozzle and the first extinguishing chemical carrying case, and the first high-pressure nozzle vertical welding is in sealing
On opening device case side surface, the first gas venthole is uniformly equidistantly embedded on the first gas generating agent tank outer surface.
6. a kind of fire fighting extinguisher according to claim 1 sealing opening device, it is characterised in that：Second gas
Pressure control device is equipped with the second gas generating agent tank, the second extinguishing chemical carrying case, the second sealing diaphragm, the second high-pressure nozzle, the second gas
Body venthole, on U-shaped energization contact block side, the second extinguishing chemical carrying case is embedded the second gas generating agent tank vertical welding
In the pressure control cavity other side.
7. a kind of fire fighting extinguisher according to claim 6 sealing opening device, it is characterised in that：Described second is close
Sealer piece is embedded between the second high-pressure nozzle and the second extinguishing chemical carrying case, and the second high-pressure nozzle vertical welding is in sealing
On opening device case side surface, the second gas venthole is uniformly equidistantly embedded on the second gas generating agent tank outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810517700.6A CN108478974A (en) | 2018-05-25 | 2018-05-25 | A kind of fire fighting extinguisher sealing opening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810517700.6A CN108478974A (en) | 2018-05-25 | 2018-05-25 | A kind of fire fighting extinguisher sealing opening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108478974A true CN108478974A (en) | 2018-09-04 |
Family
ID=63350736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810517700.6A Withdrawn CN108478974A (en) | 2018-05-25 | 2018-05-25 | A kind of fire fighting extinguisher sealing opening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108478974A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374993A (en) * | 2018-09-28 | 2019-02-22 | 广州博昊信息科技有限公司 | A kind of power frequency electric field detection device |
| CN111641222A (en) * | 2020-05-25 | 2020-09-08 | 国网浙江省电力有限公司湖州供电公司 | Safe mobile energy storage cabin for source network load storage interactive adjustment |
| WO2022037252A1 (en) * | 2020-08-18 | 2022-02-24 | 南京信息职业技术学院 | Safety monitoring apparatus for internet of things in power system |
-
2018
- 2018-05-25 CN CN201810517700.6A patent/CN108478974A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374993A (en) * | 2018-09-28 | 2019-02-22 | 广州博昊信息科技有限公司 | A kind of power frequency electric field detection device |
| CN111641222A (en) * | 2020-05-25 | 2020-09-08 | 国网浙江省电力有限公司湖州供电公司 | Safe mobile energy storage cabin for source network load storage interactive adjustment |
| WO2022037252A1 (en) * | 2020-08-18 | 2022-02-24 | 南京信息职业技术学院 | Safety monitoring apparatus for internet of things in power system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108478974A (en) | A kind of fire fighting extinguisher sealing opening device | |
| CN110260843A (en) | A kind of utilization closes the switch the scaffold inclination prior-warning device to form complete circuit | |
| CN208820259U (en) | A kind of fixed AC metal enclosed ring network switch cabinet | |
| CN205796294U (en) | A kind of extinguishing device being arranged in oil storage tank | |
| CN209900528U (en) | Fire protection device | |
| CN206715082U (en) | A kind of photovoltaic plant fire extinguishing system | |
| CN202855822U (en) | Flame self-extinguishing safety valve cover on battery safety valve | |
| CN208726610U (en) | A kind of pressure-reducing indoor fireplug with warning function | |
| CN207401039U (en) | Battery case automatic extinguishing device | |
| CN205384119U (en) | Oxygen fills dress detection device | |
| CN108465617A (en) | Tire safety upgrades the quick melten gel equipment of glue sprayer | |
| CN207316534U (en) | A kind of LED lamp bead of entirety filament | |
| CN204319570U (en) | A kind of novel fire extinguisher | |
| CN208590688U (en) | A kind of chemical article storing unit | |
| CN208861425U (en) | A kind of fire alarm | |
| CN208515101U (en) | A kind of heat-resisting high-strength armoured-glass | |
| CN209468473U (en) | A kind of refining furnace with safety device | |
| CN204422802U (en) | Fire extinguishing reflective fabric | |
| CN202859975U (en) | Novel fire-extinguishing excitation start device | |
| CN206377338U (en) | A kind of low height of letting out seals valve | |
| CN212439784U (en) | Power battery module fire protection device | |
| CN206355477U (en) | A kind of new cabinet type seven flourin propane fire extinction device | |
| CN218915102U (en) | Heat supply energy-saving device | |
| CN204182380U (en) | A kind of UV reacts the protective device of light source | |
| CN217481721U (en) | Plugging screw plug of natural gas |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180904 |