CN112618995B - Automatic induction fire extinguishing device for fire extinguishing of transformer - Google Patents
Automatic induction fire extinguishing device for fire extinguishing of transformer Download PDFInfo
- Publication number
- CN112618995B CN112618995B CN202011527382.5A CN202011527382A CN112618995B CN 112618995 B CN112618995 B CN 112618995B CN 202011527382 A CN202011527382 A CN 202011527382A CN 112618995 B CN112618995 B CN 112618995B
- Authority
- CN
- China
- Prior art keywords
- wheel
- fixedly connected
- fire
- rotating
- fire extinguishing
- 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.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to the technical field of transformers, and discloses an automatic induction fire extinguishing device for fire extinguishing of a transformer, which comprises a fire extinguishing tank, wherein an outlet is formed in the fire extinguishing tank, a fixed disc is fixedly connected in the outlet, a through hole is formed in the fixed disc, a rotating disc is arranged on the left side of the fixed disc, a rotating guide wheel is fixedly connected on the left side of the rotating disc, a pressure groove is formed in the bottom of the outlet, and a pressure plate is slidably connected in the pressure groove. This an auto-induction extinguishing device for transformer is put out a fire uses through the cooperation of jar of putting out a fire, export, fixed disc, fixed axle, fixed plate, gas storage bin, connecting plate and protruding post etc to reached and can touch temperature sensing device and open the jar of putting out a fire when the inside high temperature of transformer and put out a fire, remind the staff to change the jar of putting out a fire automatically when the inside pressure of jar of putting out a fire is not enough simultaneously, in time put out a fire the effect when guaranteeing to catch fire.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to an automatic induction fire extinguishing device for transformer fire extinguishing.
Background
The coil inside the transformer often has the problems that the coil is easy to gather temperature and not easy to radiate heat, so that loss is caused, the service life of the coil is reduced, and even if the coil catches fire due to overhigh temperature, the loss of the transformer is reduced for the safety problem of the transformer and timely fire extinguishment, so that the transformer is protected, and therefore, a device for automatically inducing fire extinguishment for the transformer is needed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an automatic induction fire extinguishing device for fire extinguishing of a transformer, which has the advantages that when the temperature in the transformer is too high, a temperature sensing device is triggered to open a fire extinguishing tank to extinguish fire, and meanwhile, when the pressure in the fire extinguishing tank is insufficient, a worker is automatically reminded to replace the fire extinguishing tank so as to ensure that the fire can be extinguished in time when the fire is caught, so that the problems that the loss is caused and the service life is reduced because the temperature is easily accumulated in the coil and the heat is not easily dissipated, and even the transformer is protected because the fire is caught due to too high temperature in the coil in the transformer are solved.
(II) technical scheme
In order to realize the purposes that when the temperature in the transformer is too high, the temperature sensing device can be triggered to open the fire extinguishing tank for fire extinguishing, and meanwhile, when the pressure in the fire extinguishing tank is insufficient, a worker is automatically reminded to replace the fire extinguishing tank so as to ensure that the fire can be extinguished in time when the fire is on, the invention provides the following technical scheme: an automatic induction fire extinguishing device for transformer fire extinguishing comprises a fire extinguishing tank, wherein an outlet is arranged in the fire extinguishing tank, a fixed disc is fixedly connected in the outlet, a through hole is arranged in the fixed disc, a rotating disc is arranged on the left side of the fixed disc, a rotating guide wheel is fixedly connected on the left side of the rotating disc, a pressure groove is arranged at the bottom of the outlet, a pressure plate is slidably connected in the pressure groove, a sliding block is fixedly connected on the lower side of the pressure plate, a resistance rod is slidably connected in the sliding block, a strong spring is fixedly connected on the surface of the lower side of the pressure plate, an intermittent wheel is arranged on the lower side of the outlet, a driven wheel is fixedly connected on the surface of the intermittent wheel, a temperature sensing rotating wheel is arranged on the left side of the driven wheel, a fixed shaft is rotatably arranged in the temperature sensing rotating wheel, and a fixed plate is fixedly connected on the surface of the fixed shaft, the temperature sensing rotary wheel is characterized in that a gas storage bin is arranged inside the temperature sensing rotary wheel, temperature sensing gas is arranged inside the gas storage bin, a light spring is fixedly connected to the surface of the fixing plate, a connecting plate is fixedly connected to the surface of the temperature sensing rotary wheel, and a protruding column is fixedly connected to the surface of the connecting plate.
Preferably, the fire extinguishing tank is arranged inside the transformer, fire extinguishing agent is arranged inside the fire extinguishing tank, and a reminding device is arranged on the lower side of the outlet and is networked; the outlet is connected with the inside and the outside of the fire extinguishing tank; the through holes are uniformly formed in the fixed disc, the rotating disc and the rotating guide wheel, and the through holes in the rotating disc and the rotating guide wheel penetrate through the fixed disc, the rotating disc and the rotating guide wheel and are in ninety-degree symmetry with the through holes in the fixed disc.
Preferably, the position of the rotary connection between the fixed disc and the rotary disc adopts an airtight design; and through holes on the connecting columns penetrate through the connecting columns and penetrate through the connecting columns.
Preferably, the pressure plate is connected with the pressure groove in a sliding mode, parallel to the outlet and connected with the resistance rod in a sliding mode, the connection position is designed to be air-tight, the sliding block is in contact fit with the resistance rod and is electrically connected with an external power supply, the resistance rod is perpendicular to the pressure plate, the lower end of the resistance rod is electrically connected with the positive pole of the reminding device, and the upper end of the resistance rod is electrically connected with the negative pole of the reminding device.
Preferably, the strong springs are at least two and uniformly arranged on the surface of the lower side of the pressure plate, the upper ends of the strong springs are fixedly connected with the pressure plate, and the lower ends of the strong springs are fixedly connected with the bottom surface of the pressure tank.
Preferably, the intermittent wheel is rotatably connected with the surface of the fire extinguishing tank, four grooves are formed in the intermittent wheel, the extension lines of the grooves pass through the circle center of the intermittent wheel, and the angles between every two adjacent grooves are equal; the diameter of the driven wheel is equal to that of the rotating guide wheel, a conveying belt is arranged on the surface of the driven wheel, and the driven wheel is in transmission connection with the rotating guide wheel through the conveying belt.
Preferably, the temperature sensing rotating wheel is rotatably connected with a fixed shaft, and the fixed shaft is fixedly connected with the surface of the fire extinguishing tank; the fixed plates are two, one of the fixed plates is fixedly connected with the fixed shaft and is in rotating connection and contact with the temperature sensing rotating wheel, the contact position is designed to be air-tight, the other fixed plate is fixedly connected with the temperature sensing rotating wheel and is in rotating connection and contact with the fixed shaft, and the contact position is designed to be air-tight.
Preferably, the temperature sensing gas expands with heat and contracts with cold and is arranged in the gas storage bin at the upper right side between the two fixing plates; the light spring is arranged at the two ends inside the air storage bin at the left lower side and is respectively and fixedly connected with the surfaces of the two fixing plates; the protruding columns are matched with the grooves of the intermittent wheels, and the rotating tracks pass through the grooves.
(III) advantageous effects
Compared with the prior art, the invention provides an automatic induction fire extinguishing device for extinguishing fire of a transformer, which has the following beneficial effects:
1. this an auto-induction extinguishing device for transformer is put out a fire, through the jar of putting out a fire, the export, the fixed disc, the through-hole, the rotating disc, the rotating guide wheel, the pressure tank, the pressure plate, the sliding block, the resistance pole, the strong spring, the intermittent type wheel, from the driving wheel, the temperature sensing runner, the fixed axle, the fixed plate, the gas storage storehouse, the temperature sensing is gaseous, the light spring, the cooperation of connecting plate and protruding post is used, thereby reached and can touch the temperature sensing device and open the jar of putting out a fire when the inside high temperature of transformer and put out a fire, remind the staff automatically to change the jar of putting out a fire when the inside pressure of jar of putting out a fire is not enough simultaneously, in time the effect of putting out a fire when guaranteeing to catch fire.
2. This an auto-induction extinguishing device for transformer is put out a fire, even the inside temperature of fire extinguishing tank reaches the temperature of putting out a fire of settlement but when not having a fire, also can the automatic start fire extinguisher, keep apart the condition of having a fire simultaneously for the transformer cooling, prevented that the transformer from having a fire more safety.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of a portion of the temperature sensitive wheel shown in FIG. 2 according to the present invention;
FIG. 4 is a view of the rotating guide wheel of the present invention.
In the figure: 1. a fire extinguishing tank; 2. an outlet; 3. fixing the disc; 4. a through hole; 5. rotating the disc; 6. rotating the guide wheel; 7. a pressure tank; 8. a pressure plate; 9. a slider; 10. a resistance rod; 11. a strong spring; 12. a batch wheel; 13. a driven wheel; 14. a temperature sensing wheel; 15. a fixed shaft; 16. a fixing plate; 17. a gas storage bin; 18. a temperature sensing gas; 19. a light spring; 20. a connecting plate; 21. and (4) a raised column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an automatic induction fire extinguishing apparatus for transformer fire extinguishing includes a fire extinguishing tank 1, an outlet 2 is disposed inside the fire extinguishing tank 1, a fixed disc 3 is fixedly connected inside the outlet 2, a through hole 4 is disposed inside the fixed disc 3, a rotating disc 5 is disposed on the left side of the fixed disc 3, a rotating guide wheel 6 is fixedly connected on the left side of the rotating disc 5, a pressure tank 7 is disposed at the bottom of the outlet 2, a pressure plate 8 is slidably connected inside the pressure tank 7, a sliding block 9 is fixedly connected on the lower side of the pressure plate 8, a resistance rod 10 is slidably connected inside the sliding block 9, a strong spring 11 is fixedly connected on the lower side surface of the pressure plate 8, a intermittent wheel 12 is disposed on the lower side of the outlet 2, a driven wheel 13 is fixedly connected on the surface of the intermittent wheel 12, a temperature sensing rotating wheel 14 is disposed on the left side of the driven wheel 13, a fixed shaft 15 is rotatably disposed inside the temperature sensing rotating wheel 14, the surface of the fixed shaft 15 is fixedly connected with a fixed plate 16, a gas storage bin 17 is arranged inside the temperature sensing rotary wheel 14, temperature sensing gas 18 is arranged inside the gas storage bin 17, a light spring 19 is fixedly connected with the surface of the fixed plate 16, a connecting plate 20 is fixedly connected with the surface of the temperature sensing rotary wheel 14, and a protruding column 21 is fixedly connected with the surface of the connecting plate 20.
The fire extinguishing tank 1 is arranged inside the transformer, fire extinguishing agent is arranged inside the fire extinguishing tank, and a reminding device is arranged on the lower side of the outlet 2 and is networked; the outlet 2 is connected with the inside and the outside of the fire extinguishing tank 1; the through holes 4 are uniformly arranged on the fixed disc 3, the rotating disc 5 and the rotating guide wheel 6, and the through holes 4 on the rotating disc 5 and the rotating guide wheel 6 penetrate through the through holes and are rotated ninety degrees and symmetrical with the through holes 4 on the fixed disc 3.
The position of the rotary connection between the fixed disc 3 and the rotary disc 5 adopts an air-tight design; the rotating disc 5 and the rotating guide wheel 6 are provided with connecting columns, and through holes 4 on the connecting columns penetrate through the connecting columns.
The strong springs 11 are at least two and are uniformly arranged on the surface of the lower side of the pressure plate 8, the upper ends of the strong springs 11 are fixedly connected with the pressure plate 8, and the lower ends of the strong springs 11 are fixedly connected with the bottom surface of the pressure groove 7.
The intermittent wheel 12 is rotationally connected with the surface of the fire extinguishing tank 1, four grooves are arranged on the intermittent wheel 12, the extension lines of the grooves pass through the circle center of the intermittent wheel 12, and the angles between two adjacent grooves are equal; the diameter of the driven wheel 13 is equal to that of the rotating guide wheel 6, a conveying belt is arranged on the surface of the driven wheel 13, and the driven wheel 13 is in transmission connection with the rotating guide wheel 6 through the conveying belt.
The temperature sensing rotating wheel 14 is rotationally connected with a fixed shaft 15, and the fixed shaft 15 is fixedly connected with the surface of the fire extinguishing pot 1; the fixed plate 16 has two parts, one of which is fixedly connected with the fixed shaft 15 and is rotatably connected with and contacted with the temperature sensing rotating wheel 14, the contact part has an air-tight design, the other one of which is fixedly connected with the temperature sensing rotating wheel 14 and is rotatably connected with and contacted with the fixed shaft 15, and the contact part has an air-tight design.
The temperature sensing gas 18 expands with heat and contracts with cold and is arranged in the gas storage bin 17 at the upper right side between the two fixing plates 16; the light spring 19 is arranged at the two ends inside the air storage bin 17 at the left lower side and is respectively and fixedly connected with the surfaces of the two fixing plates 16; the projecting posts 21 engage the grooves of the geneva wheel 12 and the rotational trajectory passes through the grooves.
Working process and principle the automatic induction fire extinguishing apparatus for transformer fire extinguishing is in its initial state as claimed and in figures 1-4.
When the temperature of the transformer is too high, the temperature sensing gas 18 inside the gas storage bin 17 on the fire extinguishing tank 1 in the transformer expands due to the temperature rise, and the fixing plate 16 fixedly connected with the temperature sensing rotary wheel 14 pushes along the gas storage bin 17 to compress the light spring 19 connected with the fixing plate 16.
The temperature sensing rotary wheel 14 rotates to drive the fixed plate 16 fixedly connected with the temperature sensing rotary wheel to rotate, the protruding column 21 on the fixed plate 16 is driven to rotate, the protruding column 21 is in contact fit with the intermittent wheel 12 in the rotating process, the intermittent wheel 12 is driven to rotate for a quarter of a circle, the driven wheel 13 fixedly connected with the intermittent wheel 12 rotates along with the protruding column, and the rotating guide wheel 6 connected with the driving wheel is driven to rotate for a quarter of a circle through the conveyor belt.
The rotating guide wheel 6 rotates to drive the rotating disc 5 fixedly connected with the rotating guide wheel and the through holes 4 on the rotating disc to rotate for a quarter circle to coincide with the through holes on the fixed disc 3 one by one, and gas in the fire extinguishing tank 1 is sprayed out to help the transformer to extinguish fire under the action of internal pressure.
When the pressure of jar 1 inside when going out a fire is not enough, the effort of jar 1 inside pressure that goes out a fire to pressure plate 8 reduces, and pressure plate 8 moves upwards along pressure tank 7 under strong spring 11's effect, drives sliding block 9 with it fixed connection and moves upwards along resistance bar 10, because resistance bar 10 is connected with the reminding device electricity on jar 1 that goes out a fire, and reminding device networking can in time inform the staff to change jar 1 that goes out a fire.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides an auto-induction extinguishing device for transformer is put out a fire, includes fire extinguishing tank (1), its characterized in that: the inside of jar (1) of extinguishing fire is provided with export (2), the inside fixedly connected with fixed disc (3) of export (2), the inside of fixed disc (3) is provided with through-hole (4), the left side of fixed disc (3) is provided with rotating disc (5), the left side fixedly connected with of rotating disc (5) rotates guide pulley (6), the bottom of export (2) is provided with pressure tank (7), the inside sliding connection of pressure tank (7) has pressure plate (8), the downside fixedly connected with sliding block (9) of pressure plate (8), the inside sliding connection of sliding block (9) has resistance lever (10), the downside fixed surface of pressure plate (8) is connected with strong spring (11), the downside of export (2) is provided with intermittent type wheel (12), the fixed surface of intermittent type wheel (12) is connected with from driving wheel (13), a temperature sensing rotating wheel (14) is arranged on the left side of the driven wheel (13), a fixed shaft (15) is rotatably arranged inside the temperature sensing rotating wheel (14), a fixed plate (16) is fixedly connected to the surface of the fixed shaft (15), a gas storage bin (17) is arranged inside the temperature sensing rotating wheel (14), temperature sensing gas (18) is arranged inside the gas storage bin (17), a light spring (19) is fixedly connected to the surface of the fixed plate (16), a connecting plate (20) is fixedly connected to the surface of the temperature sensing rotating wheel (14), and a protruding column (21) is fixedly connected to the surface of the connecting plate (20);
the fire extinguishing tank (1) is arranged inside the transformer, fire extinguishing agent is arranged inside the fire extinguishing tank, and a reminding device is arranged on the lower side of the outlet (2) and is networked; the outlet (2) is connected with the inside and the outside of the fire extinguishing tank (1); the through holes (4) are uniformly formed in the fixed disc (3), the rotating disc (5) and the rotating guide wheel (6), and the through holes (4) in the rotating disc (5) and the rotating guide wheel (6) penetrate through the through holes and are rotated ninety degrees symmetrically with the through holes (4) in the fixed disc (3);
the position of the rotary connection between the fixed disc (3) and the rotary disc (5) adopts an air-tight design; a through hole (4) on the connecting column penetrates through the connecting column and penetrates through the connecting column, and the rotating disc (5) and the rotating guide wheel (6) are arranged between the connecting column and the rotating guide wheel;
the pressure plate (8) is connected with the pressure groove (7) in a sliding mode, parallel to the outlet (2) and connected with the resistance rod (10) in a sliding mode, the connection position is designed to be air-tight, the sliding block (9) is matched with the resistance rod (10) in a contact mode and is electrically connected with an external power supply, the resistance rod (10) is perpendicular to the pressure plate (8), the lower end of the resistance rod is electrically connected with the positive electrode of the reminding device, and the upper end of the resistance rod is electrically connected with the negative electrode of the reminding device;
the number of the strong springs (11) is at least two, the strong springs are uniformly arranged on the surface of the lower side of the pressure plate (8), the upper ends of the strong springs (11) are fixedly connected with the pressure plate (8), and the lower ends of the strong springs are fixedly connected with the bottom surface of the pressure groove (7);
the intermittent wheel (12) is rotationally connected with the surface of the fire extinguishing tank (1), four grooves are formed in the intermittent wheel (12), the extension lines of the grooves pass through the circle center of the intermittent wheel (12), and the angles between every two adjacent grooves are equal;
the diameter of the driven wheel (13) is equal to that of the rotating guide wheel (6), a conveying belt is arranged on the surface of the driven wheel (13), and the driven wheel (13) is in transmission connection with the rotating guide wheel (6) through the conveying belt;
the temperature sensing rotating wheel (14) is rotationally connected with a fixed shaft (15), and the fixed shaft (15) is fixedly connected with the surface of the fire extinguishing tank (1); two fixing plates (16) are provided, one fixing plate is fixedly connected with the fixed shaft (15) and is rotationally connected with and contacted with the temperature sensing rotating wheel (14), the contact part is designed to be air-tight, the other fixing plate is fixedly connected with the temperature sensing rotating wheel (14) and is rotationally connected with and contacted with the fixed shaft (15), and the contact part is designed to be air-tight;
the temperature sensing gas (18) expands with heat and contracts with cold and is arranged in the gas storage bin (17) at the upper right side between the two fixing plates (16); the light spring (19) is arranged at the two ends inside the air storage bin (17) at the left lower side and is fixedly connected with the surfaces of the two fixing plates (16) respectively; the protruding columns (21) are matched with the grooves of the intermittent wheels (12), and the rotating tracks pass through the grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011527382.5A CN112618995B (en) | 2020-12-22 | 2020-12-22 | Automatic induction fire extinguishing device for fire extinguishing of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011527382.5A CN112618995B (en) | 2020-12-22 | 2020-12-22 | Automatic induction fire extinguishing device for fire extinguishing of transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112618995A CN112618995A (en) | 2021-04-09 |
| CN112618995B true CN112618995B (en) | 2021-12-10 |
Family
ID=75321891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011527382.5A Active CN112618995B (en) | 2020-12-22 | 2020-12-22 | Automatic induction fire extinguishing device for fire extinguishing of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112618995B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208865105U (en) * | 2018-08-29 | 2019-05-17 | 中扬建设集团有限公司 | A kind of automatic alarm device that monitoring fire extinguisher is scrapped |
| CN110094228A (en) * | 2019-05-30 | 2019-08-06 | 晋中学院 | A kind of differential pressure type mine automatic fire extinguisher based on fire-extinguishing agent |
| CN111001110B (en) * | 2020-01-10 | 2020-07-31 | 韶关市鸿杰电力安装工程有限公司 | Dedicated automatic fire extinguishing device in distribution room |
| KR102179110B1 (en) * | 2020-01-20 | 2020-11-16 | 이정국 | Fire prevention system for power distribution line |
| CN112057782A (en) * | 2020-09-23 | 2020-12-11 | 郑州噢澳电子科技有限公司 | Electric shock eliminating cabinet capable of automatically extinguishing fire and having dust removing function |
-
2020
- 2020-12-22 CN CN202011527382.5A patent/CN112618995B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112618995A (en) | 2021-04-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112618995B (en) | Automatic induction fire extinguishing device for fire extinguishing of transformer | |
| CN206922240U (en) | A kind of self-extinguishing power distribution cabinet | |
| CN212081466U (en) | Dustproof device for outdoor unit of central air conditioner | |
| CN112886416B (en) | Anti-creeping automatic early warning switch cabinet capable of being remotely monitored | |
| CN114530772A (en) | Electrical power distribution cabinet with switch base provided with anti-deformation mechanism and method | |
| CN112542744A (en) | Intelligent manufacturing computer socket capable of preventing poor contact and overheating automatic disconnection | |
| CN112138319A (en) | Solar automatic protective equipment for fire monitoring | |
| CN209577038U (en) | A kind of electric precipitator corona line end mouth structure | |
| CN111365991A (en) | Tilting melting furnace convenient to fall material | |
| CN209200653U (en) | Downstairs system on a kind of electric motor protective device and hanging with motor protective circuit | |
| CN108448172A (en) | A kind of device of aged battery | |
| CN110829193B (en) | Intelligent power grid inspection integrated power distribution instrument cabinet | |
| CN112018606A (en) | Heat dissipation fire extinguishing device for alternating current distribution box | |
| CN208272047U (en) | A kind of device of aged battery | |
| CN112537177A (en) | Automobile tire high temperature detects heat sink | |
| CN207641911U (en) | Transformer aerial cooler hot-line cleaning tool | |
| CN219735823U (en) | Drum-type tea leaf stir-frying machine | |
| CN215684581U (en) | Bamboo tube heating device for bamboo tea processing | |
| CN220600898U (en) | Monitoring device for improving production safety of factory | |
| CN111595796A (en) | Omnibearing intelligent combustible gas laser detection device and method | |
| CN220982498U (en) | Refrigerator temperature alarm device | |
| CN111819984A (en) | Automatic weeding device | |
| CN201652579U (en) | Nano electric heater | |
| CN2624081Y (en) | Gas-fired furnace with self-control gas automatic alarm | |
| CN217280404U (en) | Current transformer with wire breakage alarm function |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211126 Address after: 252000 high tech entrepreneurship service center, Liaocheng City, Shandong Province Applicant after: Shandong Binhe Information Technology Co., Ltd Address before: 333100 152 Hongjia village, sanmiaoqian, Poyang County, Shangrao City, Jiangxi Province Applicant before: Hong Pei |