CN108668482A - A kind of switch board of the good fire prevention electric automatization of thermal diffusivity - Google Patents
A kind of switch board of the good fire prevention electric automatization of thermal diffusivity Download PDFInfo
- Publication number
- CN108668482A CN108668482A CN201810497675.XA CN201810497675A CN108668482A CN 108668482 A CN108668482 A CN 108668482A CN 201810497675 A CN201810497675 A CN 201810497675A CN 108668482 A CN108668482 A CN 108668482A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- switch board
- thermal diffusivity
- fire prevention
- cabinet door
- 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.)
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
-
- 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
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
- A62C35/023—Permanently-installed equipment with containers for delivering the extinguishing substance the extinguishing material being expelled by compressed gas, taken from storage tanks, or by generating a pressure gas
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0234—Feet; Stands; Pedestals, e.g. wheels for moving casing on floor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20209—Thermal management, e.g. fan control
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a kind of switch boards of the good fire prevention electric automatization of thermal diffusivity, including cabinet, the cabinet front surface is equipped with cabinet door, and cabinet door is equipped with two fans, hinge is equipped between the cabinet and cabinet door, the cabinet door surface is equipped with handle, cabinet door surface upper end is equipped with temperature display, the outer two side of the cabinet is arranged with radiating area, the radiating area interior parallel is equipped with strip window, and strip window is equipped with several, strip window top is equipped with strip eaves, the radiating area inner surface is equipped with dust-proof gauze, pressure tank bracket is equipped with above the radiating area, the pressurized tank pedestal upper end is installed with pressurized tank, the pressurized tank upper end is equipped with delivery pipe.Compared with other switch boards：Structure is simpler, and operation is more convenient, effectively can not only carry out heat control to switch board, and can also be to putting out a fire in cabinet, having reached has good automatic control device, and heat dissipation effect is notable, and reduces the operating quantity of staff.
Description
Technical field
The present invention relates to technical field of electric automation, more particularly to the control of the good fire prevention electric automatization of a kind of thermal diffusivity
Cabinet processed.
Background technology
Switch board is the cabinet being process by steel material for protecting component to work normally.Switch board making material one
As be divided into two kinds of hot rolled steel plate and cold rolling.Cold-rolled steel sheet is soft with respect to hot rolled steel plate more material, is more suitable for the making of switch board.Control
Cabinet processed is widely used to be mainly used for chemical industry, environmental protection industry (epi), electric system, metallurgical system, industry, nuclear power industry, fire-fighting peace
Full monitoring, transportation industry etc..
Existing switch board is in use, and in order to place the generation of electric shock accidents, cabinet door is all in closed state, still
Various electrical equipments, component, line joint inside power control cabinet can all generate heat in the case of energization, particularly with making for a long time
It for switch board, inevitably will appear component ageing, the load of switch board caused to increase, some heater element or some switch
Element manipulation situation out of control, such case will generate a large amount of heat in a short time, cause element itself natural or
It ignites the inflammable articles such as adjacent conducting wire, makes on fire in switch board, since switch board is closed, this fire is often very
Hardly possible finds and puts out in time, to cause the fire of bigger and cause larger economic loss, and existing automation control
Electric wire tendency in cabinet is in disorder, irregular, and electric wire, which intersects, is not easy reconditioning, it is easy to cause accident.For this purpose, we carry
Go out a kind of switch board of the good fire prevention electric automatization of thermal diffusivity.
Invention content
The main purpose of the present invention is to provide a kind of switch boards of the good fire prevention electric automatization of thermal diffusivity, can be effective
Solve the problems in background technology.
To achieve the above object, the technical solution that the present invention takes is：
A kind of switch board of the good fire prevention electric automatization of thermal diffusivity, including cabinet, the cabinet front surface are equipped with cabinet door, and cabinet
Door is equipped with two fans, and hinge is equipped between the cabinet and cabinet door, and the cabinet door surface is equipped with handle, and cabinet door surface upper end is set
There are temperature display, the outer two side of the cabinet to be arranged with radiating area, the radiating area interior parallel is equipped with strip window, and item
Shape window be equipped with it is several, strip window top be equipped with strip eaves, the radiating area inner surface be equipped with dust-proof gauze, the heat dissipation
Pressure tank bracket is equipped with above area, the pressurized tank pedestal upper end is installed with pressurized tank, and the pressurized tank upper end is equipped with defeated
Pipe, the delivery pipe upper end is sent to be equipped with solenoid valve, the cabinet inner upper end is equipped with heat dissipation cavity, and the heat dissipation cavity is internally provided with scattered
Hot-air fan, the radiator fan include driving motor and blade, and the blade is located at around driving motor, one inside the cabinet
Side surface is equipped with temperature sensor, and the other side is equipped with spray tube inside the cabinet, and the spray pipe surface is equipped with nozzle, and sprays
Head be equipped with it is several, the nozzle surface be equipped with nozzle, and nozzle ring around nozzle be equipped with it is several, cabinet lower end quadrangle is equipped with
Shock-absorbing leg.
Further, the shock-absorbing leg includes pressing plate and pedestal, and pressing plate both sides rear surface is equipped with bolt, described
Pedestal both sides upper end face is equipped with groove, damper is equipped between the pressing plate and pedestal, the damper includes spring and liquid
Strut, the damper is pressed to be internally provided with spring, the spring inner is equipped with hydraulic strut.
Further, it is connected by articulate between the cabinet and cabinet door.
Further, the dust-proof gauze is flexibly connected with radiating area.
Further, the angle of inclination of the strip eaves is downward 45 ° inclinations.
Further, the temperature sensor and temperature display and solenoid valve are electrically connected, the temperature sensor and
Radiator fan is electrically connected.
Further, the spray tube is fixedly connected with delivery pipe by solenoid valve.
Further, fire-fighting powder or carbon dioxide are housed in the pressurized tank.
Compared with prior art, the present invention has the advantages that：
By equipped with radiating area so that preferably the heat inside cabinet can be discharged, avoid heat in cabinet
Portion concentrate the electrical equipment in switch board is damaged, and by by the angle of inclination of the strip eaves of radiating area be set as to
It is lower 45 ° inclination so that can be effectively prevented it is overboard splash down into inside cabinet, the electrical equipment in switch board is damaged,
It is also possible to prevent overhead dust simultaneously to fall into switch board, reduces the dust accretions of switch board, decrease staff couple
The cleaning work of switch board reduces the workload of staff.
By the radiator fan being internally provided in heat dissipation cavity, and radiator fan inside heat dissipation cavity lower end by opening up
Air outlet is blowed so that can be cooled down to the electrical equipment in cabinet by radiator fan, avoids electric elements temperature
Damage caused by height is spent, driving motor is variable speed electric motors, particularly so that can be carried out according to heat different in switch board different
Wind speed is adjusted, to reach the saving of the energy.
Pass through the temperature sensor being equipped in cabinet madial wall so that temperature sensor can be in real time in monitoring and controlling cabinet
Heat, and shown by the temperature display on cabinet door surface, when temperature reaches critical point, pass through and control heat dissipation cavity
The radiator fan being internally provided with revs up, and is quickly cooled down to switch board, and can also be arranged in switch board and rise
The heat of fire, the fire extinguishing that solenoid valve drain pressure tank is controlled when switch board is on fire are put out a fire.
By equipped with pressurized tank, and in pressurized tank be equipped with fire-fighting powder or carbon dioxide so that in switch board
When on fire can it is effective, be rapidly performed by fire extinguishing, and by equipped with solenoid valve, can be in no fire behavior to pressurized tank
It is controlled, avoids the unnecessary ejection of the extinguishant in pressurized tank, and multiple nozzles are provided with by the way that pipe surface will be sprayed,
Nozzle is set as cylindrical, and nozzle ring be equipped with around nozzle it is several so that can be more quick polygonal when fire occurs
Degree is put out a fire, and is prevented from timely putting out a fire when some nozzle or spray nozzle clogging, is led to the fire of bigger.
Pass through the shock-absorbing leg being equipped in cabinet lower end quadrangle so that can be when switch board operate, it can be to switch board
Cushioning effect is carried out, device can be effectively prevented and directly form rigid contact with ground so that ground or cabinet damage,
It is active in the inside grooves that pedestal both sides upper end face is equipped with by the bolt for being equipped with pressing plate both sides rear surface so that damping
Supporting leg is more stablized, and prevents from toppling over caused by the offset when switch board is run, while by the damper being internally provided with,
And damper includes spring and hydraulic strut so that by equipped with spring can obtain better damping effect, pass through
The hydraulic strut being equipped with can effectively control spring, prevent spring from shifting when carrying out damping so that spring
It can only move up and down, damping is carried out to switch board.
The present invention is compared with other switch boards：Structure is simpler, and operation is more convenient, can not only be effectively to control
Cabinet processed carries out heat control, and can also be to putting out a fire in cabinet, and having reached has good automatic control device, heat dissipation
Significant effect, and reduce the operating quantity of staff.
Description of the drawings
Fig. 1 is the overall structure diagram of the switch board of the good fire prevention electric automatization of thermal diffusivity of the present invention.
Fig. 2 is the cross-sectional view of the switch board of the good fire prevention electric automatization of thermal diffusivity of the present invention.
Fig. 3 is the partial enlargement structural representation of the switch board of the good fire prevention electric automatization of thermal diffusivity of the present invention.
Fig. 4 is the shock-absorbing leg structural schematic diagram of the switch board of the good fire prevention electric automatization of thermal diffusivity of the present invention.
In figure：1, cabinet；2, cabinet door；3, handle；4, temperature display；5, radiating area；6, strip window；7, strip eaves；8、
Dust-proof gauze；9, pressure tank bracket；10, pressurized tank；11, delivery pipe；12, solenoid valve；13, heat dissipation cavity；14, hinge；15, damping
Supporting leg；16, spray tube；17, nozzle；18, radiator fan；19, driving motor；20, blade；21, pressing plate；22, pedestal；23, spiral shell
Bolt；24, groove；25, damper；26, spring；27, hydraulic strut；28, nozzle；29, temperature sensor.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to
Specific implementation mode, the present invention is further explained.
As shown in Figs 1-4, the switch board of the good fire prevention electric automatization of a kind of thermal diffusivity, including cabinet 1, the cabinet 1
Front surface is equipped with cabinet door 2, and cabinet door 2 is equipped with two fans, and hinge 14,2 surface of the cabinet door are equipped between the cabinet 1 and cabinet door 2
Equipped with handle 3,2 surface upper end of the cabinet door is equipped with temperature display 4, and 1 outer two side of the cabinet is arranged with radiating area 5,
5 interior parallel of the radiating area be equipped with strip window 6, and strip window 6 be equipped with it is several, 6 top of strip window be equipped with strip eaves 7,
5 inner surface of the radiating area is equipped with dust-proof gauze 8, and 5 top of the radiating area is equipped with pressure tank bracket 9, the pressurized tank branch
9 upper end of frame is installed with pressurized tank 10, and 10 upper end of the pressurized tank is equipped with delivery pipe 11, and 11 upper end of the delivery pipe is equipped with electricity
Magnet valve 12,1 inner upper end of the cabinet are equipped with heat dissipation cavity 13, and the heat dissipation cavity 13 is internally provided with radiator fan 18, the heat dissipation
Fan 18 includes driving motor 19 and blade 20, and the blade 20 is located at around driving motor 19,1 interior side table of the cabinet
Face is equipped with temperature sensor 29, and the 1 inside other side of the cabinet is equipped with spray tube 16, and 16 surface of the spray tube is equipped with nozzle
17, and nozzle 17 be equipped with it is several, 17 surface of the nozzle be equipped with nozzle 28, and nozzle 28 around nozzle 17 be equipped with it is several, it is described
1 lower end quadrangle of cabinet is equipped with shock-absorbing leg 15.
By equipped with radiating area 5 so that preferably the heat inside cabinet 1 can be discharged, heat is avoided to exist
The inner integrated electrical equipment in switch board of cabinet 1 damages, and by by the inclination angle of the strip eaves 7 of radiating area 5
Degree be set as it is downward 45 ° inclination so that can be effectively prevented it is overboard splash down into inside cabinet 1, to the electrical member in switch board
Part damages, while being also possible to prevent overhead dust and falling into switch board, reduces the dust accretions of switch board, decreases
Cleaning work of the staff to switch board, reduces the workload of staff.
By the radiator fan 18 being internally provided in heat dissipation cavity 13, and radiator fan 18 passes through in 13 lower end of heat dissipation cavity
The air outlet that portion opens up is blowed so that can be cooled down to the electrical equipment in cabinet by radiator fan 18, is avoided
Damage caused by electric elements temperature is excessively high, driving motor 19 are variable speed electric motors, particularly so that can be according to heat different in switch board
Amount carries out different wind speed and adjusts, to reach the saving of the energy.
Pass through the temperature sensor 29 being equipped in 1 madial wall of cabinet so that temperature sensor 29 can monitor control in real time
Heat in cabinet processed, and shown by the temperature display 4 on 2 surface of cabinet door, when temperature reaches critical point, pass through control
The radiator fan 18 that heat dissipation cavity 13 processed is internally provided with revs up, and is quickly cooled down to switch board, and can also set
Heat on fire in switch board is set, the fire extinguishing that 12 drain pressure tank of solenoid valve is controlled when switch board is on fire is put out a fire.
By equipped with pressurized tank 10, and fire-fighting powder or carbon dioxide are housed in the pressurized tank 10 so that controlling
Cabinet processed it is on fire when can it is effective, be rapidly performed by fire extinguishing, and by equipped with solenoid valve 12, can be in no fire behavior pair
Pressurized tank 10 is controlled, and avoids the unnecessary ejection of extinguishant in pressurized tank 10, and by setting 16 surface of spray tube
Multiple nozzles 17 are equipped with, nozzle 17 are set as cylindrical, and nozzle 28 surround nozzle 17 equipped with several so that fire is occurring
When can more quick multi-angle put out a fire, can not timely go out when preventing some nozzle 17 or nozzle 28 from blocking
Fire leads to the fire of bigger.
Pass through the shock-absorbing leg 15 being equipped in 1 lower end quadrangle of cabinet so that can be when switch board operate, it can be to control
Cabinet carries out cushioning effect, can be effectively prevented device and directly form rigid contact with ground so that ground or cabinet 1 cause to damage
It is bad, it is active in by the bolt 23 for being equipped with 21 both sides rear surface of pressing plate in the groove 24 that 22 both sides upper end face of pedestal is equipped with
Portion so that shock-absorbing leg 15 is more stablized, and prevents from toppling over caused by the offset when switch board is run, while by setting in inside
The damper 25 being equipped with, and damper 25 include spring 26 and hydraulic strut 27 so that by equipped with spring 26 can obtain
To better damping effect, by equipped with hydraulic strut 27 effectively spring 26 can be controlled, prevent spring 26
It shifts when carrying out damping so that spring 26 can only move up and down, and damping is carried out to switch board.
The present invention is compared with other switch boards：Structure is simpler, and operation is more convenient, can not only be effectively to control
Cabinet processed carries out heat control, and can also be to putting out a fire in cabinet, and having reached has good automatic control device, heat dissipation
Significant effect, and reduce the operating quantity of staff.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of switch board of the good fire prevention electric automatization of thermal diffusivity, including cabinet（1）, it is characterised in that：The cabinet（1）
Front surface is equipped with cabinet door（2）, and cabinet door（2）Equipped with two fans, the cabinet（1）And cabinet door（2）Between be equipped with hinge（14）, described
Cabinet door（2）Surface is equipped with handle（3）, the cabinet door（2）Surface upper end is equipped with temperature display（4）, the cabinet（1）Outer both sides
Wall is arranged with radiating area（5）, the radiating area（5）Interior parallel is equipped with strip window（6）, and strip window（6）Equipped with several, institute
State strip window（6）Top is equipped with strip eaves（7）, the radiating area（5）Inner surface is equipped with dust-proof gauze（8）, the radiating area
（5）Top is equipped with pressure tank bracket（9）, the pressure tank bracket（9）Upper end is installed with pressurized tank（10）, the pressurized tank
（10）Upper end is equipped with delivery pipe（11）, the delivery pipe（11）Upper end is equipped with solenoid valve（12）, the cabinet（1）Inner upper end is set
There is heat dissipation cavity（13）, the heat dissipation cavity（13）It is internally provided with radiator fan（18）, the radiator fan（18）Including driving motor
（19）And blade（20）, the blade（20）Positioned at driving motor（19）Around, the cabinet（1）Interior side surface is equipped with temperature
Spend sensor（29）, the cabinet（1）The internal other side is equipped with spray tube（16）, the spray tube（16）Surface is equipped with nozzle
（17）, and nozzle（17）Equipped with several, the nozzle（17）Surface is equipped with nozzle（28）, and nozzle（28）Around nozzle（17）If
There is several, the cabinet（1）Lower end quadrangle is equipped with shock-absorbing leg（15）.
2. a kind of switch board of the good fire prevention electric automatization of thermal diffusivity according to claim 1, it is characterised in that：It is described
Shock-absorbing leg（15）Including pressing plate（21）And pedestal（22）, the pressing plate（21）Both sides rear surface is equipped with bolt（23）, described
Pedestal（22）Both sides upper end face is equipped with groove（24）, the pressing plate（21）And pedestal（22）Between be equipped with damper（25）, institute
State damper（25）Including spring（26）And hydraulic strut（27）, the damper（25）It is internally provided with spring（26）, the bullet
Spring（26）It is internally provided with hydraulic strut（27）.
3. a kind of switch board of the good fire prevention electric automatization of thermal diffusivity according to claim 1, it is characterised in that：It is described
Cabinet（1）And cabinet door（2）Between pass through hinge（14）Flexible connection.
4. a kind of switch board of the good fire prevention electric automatization of thermal diffusivity according to claim 1, it is characterised in that：It is described
Dust-proof gauze（8）With radiating area（5）Flexible connection.
5. a kind of switch board of the good fire prevention electric automatization of thermal diffusivity according to claim 1, it is characterised in that：It is described
Strip eaves（7）Angle of inclination be downward 45 ° inclination.
6. a kind of switch board of the good fire prevention electric automatization of thermal diffusivity according to claim 1, it is characterised in that：It is described
Temperature sensor（29）With temperature display（4）And solenoid valve（12）It is electrically connected, the temperature sensor（29）And radiation air
Fan（18）It is electrically connected.
7. a kind of switch board of the good fire prevention electric automatization of thermal diffusivity according to claim 1, it is characterised in that：It is described
Spray tube（16）And delivery pipe（11）Pass through solenoid valve（12）It is fixedly connected.
8. a kind of switch board of the good fire prevention electric automatization of thermal diffusivity according to claim 1, it is characterised in that：It is described
Pressurized tank（10）It is interior that fire-fighting powder or carbon dioxide are housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810497675.XA CN108668482A (en) | 2018-05-23 | 2018-05-23 | A kind of switch board of the good fire prevention electric automatization of thermal diffusivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810497675.XA CN108668482A (en) | 2018-05-23 | 2018-05-23 | A kind of switch board of the good fire prevention electric automatization of thermal diffusivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108668482A true CN108668482A (en) | 2018-10-16 |
Family
ID=63776466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810497675.XA Pending CN108668482A (en) | 2018-05-23 | 2018-05-23 | A kind of switch board of the good fire prevention electric automatization of thermal diffusivity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108668482A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109440511A (en) * | 2018-11-19 | 2019-03-08 | 天津比朗德机械制造有限公司 | A kind of paper pulp mixing stirring device for paper conversion |
| CN109568838A (en) * | 2018-12-14 | 2019-04-05 | 安徽职业技术学院 | A kind of electromechanical equipment fault-preventing device |
| CN110744756A (en) * | 2019-09-29 | 2020-02-04 | 大陆马牌轮胎（中国）有限公司 | Forming machine suitable for manufacturing high-comfort tires |
| CN111367379A (en) * | 2020-03-24 | 2020-07-03 | 四川信息职业技术学院 | Computer case fire extinguishing alarm device and method thereof |
| CN111472596A (en) * | 2020-03-24 | 2020-07-31 | 安徽力盾防爆电气有限公司 | Positive pressure type explosion-proof analysis cabin |
| CN111491216A (en) * | 2020-05-29 | 2020-08-04 | 南京博雅达网络科技有限公司 | Stable network communication equipment for ship |
| CN111641122A (en) * | 2020-04-21 | 2020-09-08 | 泰兴市泰源电气有限公司 | Safety protection switch board |
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| CN114953479A (en) * | 2022-03-31 | 2022-08-30 | 重庆胜亚管道有限公司 | Emergency electric fusion welding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110744756A (en) * | 2019-09-29 | 2020-02-04 | 大陆马牌轮胎（中国）有限公司 | Forming machine suitable for manufacturing high-comfort tires |
| CN111367379A (en) * | 2020-03-24 | 2020-07-03 | 四川信息职业技术学院 | Computer case fire extinguishing alarm device and method thereof |
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Application publication date: 20181016 |
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