CN113496805A - Remote control's transformer based on thing networking - Google Patents
Remote control's transformer based on thing networking Download PDFInfo
- Publication number
- CN113496805A CN113496805A CN202110695875.8A CN202110695875A CN113496805A CN 113496805 A CN113496805 A CN 113496805A CN 202110695875 A CN202110695875 A CN 202110695875A CN 113496805 A CN113496805 A CN 113496805A
- Authority
- CN
- China
- Prior art keywords
- transformer
- groove
- clamping
- top plate
- remote 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.)
- Granted
Links
Images
Classifications
-
- 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
- H01F27/02—Casings
-
- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- H01F2027/406—Temperature sensor or protection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a remote control transformer based on the Internet of things, which comprises a transformer main body and a top plate arranged at the top of the transformer main body, wherein a base is fixed at the bottom of the transformer main body, the top end of the transformer main body is open, corner columns are fixed at four corners of the top of the transformer main body, through holes corresponding to the corner columns are formed in the four corners of the top plate, the top ends of the corner columns penetrate through the top of the top plate through the through holes, and end grooves are formed in the two ends of the top plate; through the corner post, the end groove, interior ejector pad, tube-shape spring, side push rod, side push groove, spacing kelly, spacing card hole, side rectangle mouth and the rectangle of setting press the briquetting isotructure for when operating personnel follow-up needs overhauld transformer main part is inside, the dismantlement and the installation of completion roof that can be quick, solved the loaded down with trivial details problem of roof dismouting among the former device, thereby effectively improve the maintenance efficiency of transformer.
Description
Technical Field
The invention belongs to the technical field of transformers, and particularly relates to a remote control transformer based on the Internet of things.
Background
With the continuous development of the remote technology of the internet of things, more and more devices select the internet of things to carry out remote control, and the transformer based on the remote control of the internet of things is included, is connected with the system of the internet of things, and can be accessed by a user on a mobile terminal and remotely controls the transformer, so that the daily operation and maintenance efficiency is improved.
When the existing Internet of things remote control transformer is used, the top of a transformer main body of the transformer is open, and the top of the transformer main body is also provided with a top plate for blocking external foreign matters from entering.
Disclosure of Invention
The invention aims to provide a remote control transformer based on the Internet of things, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a remote control transformer based on the Internet of things comprises a transformer main body and a top plate arranged on the top of the transformer main body, wherein a base is fixed at the bottom of the transformer main body, the top end of the transformer main body is open, corner posts are fixed at four corners of the top of the transformer main body, through holes corresponding to the corner posts are formed in the four corners of the top plate, the top ends of the corner posts penetrate through the top of the top plate through the holes, end grooves are formed in two ends of the top plate, inner push blocks are arranged in the end grooves, a plurality of cylindrical springs are arranged between the inner push blocks and the inner walls of the end grooves, side push grooves are formed in the inner walls of two sides of the end grooves, side push rods fixed with the inner push blocks are arranged in the side push grooves, limiting clamp rods are fixed at the end parts of the side push rods, and limiting clamp holes corresponding to the limiting clamp rods are formed in the top ends of the corner posts, the top end of the limiting clamping rod is clamped in the limiting clamping hole, side rectangular openings are formed in the surfaces of the two ends of the top plate, a rectangular pressing block is arranged on the inner side of each side rectangular opening, and the bottom end of each rectangular pressing block penetrates through the inner side of the end groove to be fixed with the inner pushing block.
Preferably, the bottom surface of the inner pushing block and the bottom inner wall of the end groove are both fixed with guide posts corresponding to the cylindrical springs in number, and two ends of the cylindrical springs are respectively sleeved on the two guide posts.
Preferably, one end of the side push groove is provided with a through hole corresponding to the limiting clamping rod, and the through hole is communicated with the inner wall of the through hole.
Preferably, the corner post is T-shaped in cross section, and the bottom end of the corner post is at the bottom surface of the top plate.
Preferably, the top end of the rectangular pressing block is rotatably connected with a rotating clamping plate, side clamping grooves corresponding to the rectangular pressing block are formed in the inner walls of two sides of the side rectangular opening, and the upper end and the lower end of each side clamping groove are respectively communicated with the upper surface and the lower surface of the top plate.
Preferably, a rotary inner groove is formed in the top end of the rectangular pressing block, a rotary inner block is rotatably mounted in the rotary inner groove, and the top end of the rotary inner block penetrates through the outer side of the rectangular pressing block and is fixed with the rotary clamping plate.
Preferably, a spring groove is formed in one side of the rotating inner block, the top end of the spring groove is connected with a telescopic clamping ball through a spring, four circular clamping grooves corresponding to the telescopic clamping balls are uniformly formed in the inner wall of the rotating inner groove, and the top end of the telescopic clamping ball is clamped on the inner side of one circular clamping groove.
Preferably, the inside of transformer main part is provided with temperature sensor and siren, temperature sensor and siren are all connected with remote terminal equipment through wireless, remote terminal equipment passes through the network cable and links to each other with thing networking server.
Compared with the prior art, the invention has the beneficial effects that:
1. through the corner post, the end groove, interior ejector pad, tube-shape spring, side push rod, side push groove, spacing kelly, spacing card hole, side rectangle mouth and the rectangle of setting press the briquetting isotructure for when operating personnel follow-up needs overhauld transformer main part is inside, the dismantlement and the installation of completion roof that can be quick, solved the loaded down with trivial details problem of roof dismouting among the former device, thereby effectively improve the maintenance efficiency of transformer.
2. Through the rotating clamping plate, the rotating inner block, the rotating inner groove and the side clamping groove and other structures which are arranged, the rectangle pressing block can press the inner side of the end part screw in side clamping groove of the rotating clamping plate after being pressed, the rectangle pressing block is limited, the dismounting convenience of the top plate is further improved, and convenience is brought to dismounting of the top plate by operators as much as possible.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an enlarged view of a portion of the area A of FIG. 1 in accordance with the present invention;
FIG. 3 is a top cross-sectional view of the connection of the top panel and corner post of the present invention;
FIG. 4 is an enlarged view of a portion of the area B of FIG. 3 in accordance with the present invention;
in the figure: 1. a transformer body; 2. rotating the clamping plate; 3. a top plate; 4. a corner post; 5. a base; 6. a side rectangular opening; 7. a rectangular pressing block; 8. a side card slot; 9. an end slot; 10. a cylindrical spring; 11. an inner push block; 12. a side push rod; 13. a lateral push groove; 14. a limiting clamping rod; 15. limiting clamp holes; 16. rotating the inner block; 17. rotating the inner tank; 18. a spring slot; 19. the ball is clamped in a telescopic way; 20. a circular slot.
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.
Examples
Referring to fig. 1 to 4, the present invention provides a technical solution: a remote control transformer based on the Internet of things comprises a transformer main body 1 and a top plate 3 installed at the top of the transformer main body 1, wherein a base 5 is fixed at the bottom of the transformer main body 1, the top end of the transformer main body 1 is open, so that a later-stage operator can detach the top plate 3 to overhaul devices inside the transformer main body 1, corner posts 4 are welded and fixed at four corners of the top of the transformer main body 1, through holes corresponding to the corner posts 4 are formed at the four corners of the top plate 3, the top end of the corner post 4 penetrates to the top of the top plate 3 through the through holes, end grooves 9 are formed in two ends of the top plate 3, inner push blocks 11 are arranged in the end grooves 9, a plurality of tubular springs 10 are arranged between the inner push blocks 11 and the inner walls of the end grooves 9, side push grooves 13 are formed in two inner walls of the end grooves 9, and side push rods 12 fixed with the inner push blocks 11 are arranged in the side push grooves 13, the end fixing of side push rod 12 has spacing kelly 14, the top of turning post 4 is run through and is seted up with the corresponding spacing card hole 15 of spacing kelly 14, the top card of spacing kelly 14 is in spacing card hole 15, side rectangle mouth 6 has all been seted up on the both ends surface of roof 3, the inboard of side rectangle mouth 6 is provided with rectangle pressing block 7, the bottom of rectangle pressing block 7 is run through to the inboard of end groove 9 and is fixed mutually with interior ejector pad 11, make the dismantlement and the installation of completion roof 3 that operating personnel can be quick.
In this embodiment, preferably, the bottom surface of the inner pushing block 11 and the bottom inner wall of the end groove 9 are fixed with a number of guide posts corresponding to the cylindrical spring 10, and two ends of the cylindrical spring 10 are respectively sleeved on the two guide posts to limit the cylindrical spring 10.
In this embodiment, preferably, one end of the side pushing groove 13 is provided with a through hole corresponding to the limiting clamping rod 14, and the through hole is communicated with the inner wall of the through hole.
In this embodiment, it is preferable that the corner post 4 has a T-shaped cross section, and the bottom end of the corner post 4 is located on the bottom surface of the top plate 3.
In this embodiment, preferably, the top end of the rectangular pressing block 7 is rotatably connected with the rotating clamping plate 2, and the inner walls of the two sides of the side rectangular opening 6 are both provided with side clamping grooves 8 corresponding to the rectangular pressing block 7, the upper and lower ends of the side clamping grooves 8 are respectively penetrated to the upper and lower surfaces of the top plate 3, the top end of the rectangular pressing block 7 is internally provided with a rotating inner groove 17, and the rotating inner block 16 is rotatably installed in the rotating inner groove 17, the top end of the rotating inner block 16 is penetrated to the outer side of the rectangular pressing block 7 and is fixed with the rotating clamping plate 2, so that the end of the rotating clamping plate 2 can be screwed into the inner side of the side clamping groove 8 by the rectangular pressing block 7 after being pressed, thereby limiting the rectangular pressing block 7, further improving the operation convenience, one side of the rotating inner block 16 is internally provided with a spring groove 18, the top end of the spring groove 18 is connected with a telescopic clamping ball 19 through a spring, the inner wall of the rotating inner groove 17 is uniformly provided with four circular clamping grooves 20 corresponding to the telescopic clamping ball 19, the top end of the telescopic clamping ball 19 is clamped at the inner side of one of the circular clamping grooves 20, so that the rotary inner block 16 can be clamped and limited after rotating in the rotary inner groove 17.
In this embodiment, preferably, a temperature sensor and an alarm are arranged inside the transformer main body 1, the temperature sensor and the alarm are respectively Pt100 and SL-6856, the temperature sensor and the alarm are both connected with a remote terminal device through wireless, and the remote terminal device is connected with the internet of things server through a network cable, so that the operation status of the transformer main body 1 can be fed back to the remote terminal device in real time, and real-time data is fed back to the internet of things server for operation and maintenance personnel to look up.
The working principle and the using process of the invention are as follows: when an operator needs to detach the top plate 3 and overhaul the devices inside the transformer main body 1 from the opening at the top of the transformer main body 1, the rectangular pressing block 7 can be directly pressed to push the inner push block 11 and gradually compress the cylindrical spring 10 to cause the side push rod 12 to slide in the side push groove 13 until the top end of the limit clamping rod 14 moves out of the limit clamping hole 15, so that the limit clamping rod 14 does not limit the corner post 4 any more, and at the moment, the rotary clamping plate 2 rotates ninety degrees with force to cause the rotary inner block 16 to rotate ninety degrees in the rotary inner groove 17, and the end part of the rotary clamping plate 2 is screwed into the inner side of the side clamping groove 8, and simultaneously, the top end of the telescopic clamping ball 19 can be clamped into the circular clamping grooves 20 at other positions under the action of the spring in the spring groove 18, so that the limit of the rotary clamping plate 2 can be completed, and the rectangular pressing block 7 can be limited by the rotary clamping plate 2, the rectangular pressing block 7 is prevented from rebounding again, then the rectangular pressing block 7 at the other end of the top plate 3 is subjected to the same operation, and finally the top plate 3 is moved upwards to enable the top end of the corner post 4 to move out of the bottom of the through hole, so that the top plate 3 can be smoothly detached, the problem that the top plate 3 in the original device is complex to detach is solved, when the top plate 3 needs to be replaced again subsequently, the top plate 3 only needs to be moved to the top of the transformer main body 1, the top end of the corner post 4 penetrates through the through hole to the top of the top plate 3, the top plate 3 can be directly placed at the top of the transformer main body 1, the rotating clamping plate 2 is rotated forcibly at the moment, the end part of the rotating clamping plate 2 is rotated out of the side clamping groove 8 and is not limited to the rectangular pressing block 7, at the moment, the tubular spring 10 pushes the inner pushing block 11 back under the self elastic action, so that the top end of the limiting clamping rod 14 is clamped into the inner side of the limiting clamping hole 15, can accomplish the block of roof 3 and turning post 4 and be connected to quick back-up the roof 3, effectual improvement maintenance efficiency.
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 (8)
1. The utility model provides a remote control's transformer based on thing networking, includes transformer main part (1) and installs roof (3) at transformer main part (1) top, the bottom of transformer main part (1) is fixed with base (5), the top of transformer main part (1) is open, its characterized in that: corner columns (4) are fixed at four corners of the top of the transformer main body (1), through holes corresponding to the corner columns (4) are formed in the four corners of the top plate (3), the top ends of the corner columns (4) penetrate through the through holes to the top of the top plate (3), end grooves (9) are formed in the two ends of the top plate (3), inner push blocks (11) are arranged in the end grooves (9), a plurality of cylindrical springs (10) are arranged between the inner push blocks (11) and the inner walls of the end grooves (9), side push grooves (13) are formed in the inner walls of the two sides of the end grooves (9), side push rods (12) fixed with the inner push blocks (11) are arranged in the side push grooves (13), limiting clamping rods (14) are fixed at the end portions of the side push rods (12), and limiting clamping holes (15) corresponding to the limiting clamping rods (14) are formed in the top ends of the corner columns (4) in a penetrating mode, the top end of the limiting clamping rod (14) is clamped in the limiting clamping hole (15), side rectangular openings (6) are formed in the surfaces of the two ends of the top plate (3), a rectangular pressing block (7) is arranged on the inner side of each side rectangular opening (6), and the bottom end of each rectangular pressing block (7) penetrates through the inner side of the end groove (9) to be fixed with the inner pushing block (11).
2. The remote control transformer based on the internet of things according to claim 1, wherein: the bottom end surface of the inner push block (11) and the bottom end inner wall of the end groove (9) are respectively fixed with guide posts, the number of the guide posts corresponds to that of the cylindrical springs (10), and two ends of each cylindrical spring (10) are respectively sleeved on the two guide posts.
3. The remote control transformer based on the internet of things according to claim 1, wherein: one end of the side push groove (13) is provided with a through hole corresponding to the limiting clamping rod (14), and the through hole is communicated with the inner wall of the through hole.
4. The remote control transformer based on the internet of things according to claim 1, wherein: the cross section of the corner post (4) is T-shaped, and the bottom end of the corner post (4) is positioned on the bottom surface of the top plate (3).
5. The remote control transformer based on the internet of things according to claim 1, wherein: the top end of the rectangular pressing block (7) is rotatably connected with a rotating clamping plate (2), side clamping grooves (8) corresponding to the rectangular pressing block (7) are formed in the inner walls of the two sides of the side rectangular opening (6), and the upper end and the lower end of each side clamping groove (8) are respectively communicated with the upper surface and the lower surface of the top plate (3).
6. The transformer of claim 5, wherein the transformer is a transformer for remote control based on Internet of things, and comprises: rotatory inside groove (17) have been seted up to the top of rectangle pressing block (7), and rotatory inside block (16) are installed in rotatory inside groove (17) internal rotation, the outside and the rotatory cardboard (2) of the outside that run through to rectangle pressing block (7) in the top of rotatory inside block (16) are fixed mutually.
7. The transformer of claim 6, wherein the transformer is a transformer for remote control based on Internet of things, and comprises: the spring clamping device is characterized in that a spring groove (18) is formed in one side of the rotating inner block (16), the top end of the spring groove (18) is connected with a telescopic clamping ball (19) through a spring, four circular clamping grooves (20) corresponding to the telescopic clamping balls (19) are uniformly formed in the inner wall of the rotating inner groove (17), and the top end of the telescopic clamping ball (19) is clamped on the inner side of one circular clamping groove (20).
8. The remote control transformer based on the internet of things according to claim 1, wherein: the transformer comprises a transformer body (1), and is characterized in that a temperature sensor and an alarm are arranged inside the transformer body (1), the temperature sensor and the alarm are connected with remote terminal equipment through wireless, and the remote terminal equipment is connected with an Internet of things server through a network cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110695875.8A CN113496805B (en) | 2021-08-19 | 2021-08-19 | Remote control's transformer based on thing networking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110695875.8A CN113496805B (en) | 2021-08-19 | 2021-08-19 | Remote control's transformer based on thing networking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113496805A true CN113496805A (en) | 2021-10-12 |
| CN113496805B CN113496805B (en) | 2022-09-20 |
Family
ID=77997436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110695875.8A Active CN113496805B (en) | 2021-08-19 | 2021-08-19 | Remote control's transformer based on thing networking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113496805B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1154016A (en) * | 1965-08-24 | 1969-06-04 | Licentia Gmbh | A Transformer Tank having a Sound-Absorbing and Sound-Damping Wall |
| US20170148565A1 (en) * | 2014-06-23 | 2017-05-25 | Shanghai United Imaging Healthcare Co., Ltd. | Method and device for insulation of high-voltage generator tank |
| CN208045262U (en) * | 2018-05-07 | 2018-11-02 | 合肥徽鹏贸易有限责任公司 | A kind of Durable transformer fuel tank |
| CN208908168U (en) * | 2018-08-31 | 2019-05-28 | 天津市祥源安高中频电源变压器有限公司 | A kind of transformer of fast and easy maintenance |
| CN211150275U (en) * | 2019-08-15 | 2020-07-31 | 山东融鑫电气有限公司 | Oil tank cover of oil-immersed transformer |
| CN111564295A (en) * | 2020-06-28 | 2020-08-21 | 无锡希恩电气有限公司 | Transformer oil tank convenient to overhaul and maintain |
| CN212136127U (en) * | 2020-06-08 | 2020-12-11 | 江苏振东电气设备有限公司 | Transformer for building of convenient maintenance |
| CN213183890U (en) * | 2020-09-23 | 2021-05-11 | 广东瑞迅精密机械有限公司 | Tank cover structure of transformer oil tank |
| CN112885565A (en) * | 2021-01-18 | 2021-06-01 | 刘文龙 | Transformer convenient to machine and assemble |
-
2021
- 2021-08-19 CN CN202110695875.8A patent/CN113496805B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1154016A (en) * | 1965-08-24 | 1969-06-04 | Licentia Gmbh | A Transformer Tank having a Sound-Absorbing and Sound-Damping Wall |
| US20170148565A1 (en) * | 2014-06-23 | 2017-05-25 | Shanghai United Imaging Healthcare Co., Ltd. | Method and device for insulation of high-voltage generator tank |
| CN208045262U (en) * | 2018-05-07 | 2018-11-02 | 合肥徽鹏贸易有限责任公司 | A kind of Durable transformer fuel tank |
| CN208908168U (en) * | 2018-08-31 | 2019-05-28 | 天津市祥源安高中频电源变压器有限公司 | A kind of transformer of fast and easy maintenance |
| CN211150275U (en) * | 2019-08-15 | 2020-07-31 | 山东融鑫电气有限公司 | Oil tank cover of oil-immersed transformer |
| CN212136127U (en) * | 2020-06-08 | 2020-12-11 | 江苏振东电气设备有限公司 | Transformer for building of convenient maintenance |
| CN111564295A (en) * | 2020-06-28 | 2020-08-21 | 无锡希恩电气有限公司 | Transformer oil tank convenient to overhaul and maintain |
| CN213183890U (en) * | 2020-09-23 | 2021-05-11 | 广东瑞迅精密机械有限公司 | Tank cover structure of transformer oil tank |
| CN112885565A (en) * | 2021-01-18 | 2021-06-01 | 刘文龙 | Transformer convenient to machine and assemble |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113496805B (en) | 2022-09-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204075547U (en) | The automatic welding device of battery cap | |
| CN113496805B (en) | Remote control's transformer based on thing networking | |
| CN110632947A (en) | Auxiliary monitoring device for transformer substation | |
| CN210806615U (en) | Fixing device convenient to install and overhaul power line of power box | |
| CN218040468U (en) | Device for preventing falling objects in high altitude during live working | |
| CN212012679U (en) | Monitoring equipment for 5G communication | |
| CN109000740A (en) | A kind of temperature-humidity detecting device of intelligence PDU control | |
| CN212273564U (en) | Data acquisition unit telescopic support frame | |
| CN208805231U (en) | A kind of temperature-humidity detecting device of intelligence PDU control | |
| CN208653847U (en) | A kind of portable environment engineering contaminated soil sampler | |
| CN215956551U (en) | DTU transmission equipment | |
| CN213777001U (en) | Communication device for substation power grid management | |
| CN112413376A (en) | Intelligent terminal for communication software control | |
| CN207426575U (en) | A kind of waste and old cable recycling apparatus for peeling off | |
| CN214901768U (en) | Arbitrary combination device of ozone discharge chamber module and power module | |
| CN206411233U (en) | A kind of microswitch detection means | |
| CN217087272U (en) | Novel distribution box mounting rail | |
| CN211422214U (en) | Comprehensive power distribution cabinet device convenient to overhaul | |
| CN212649642U (en) | Wisdom environmental protection electricity consumption acquisition terminal based on thing networking communication technology | |
| CN216113236U (en) | Interference equipment for electronic information technology | |
| CN218743247U (en) | A sieving mechanism for producing high alumina porcelain ball | |
| CN216118031U (en) | Electromagnetic radiation personal dose alarm instrument | |
| CN221025025U (en) | Radio frequency head connector storage device | |
| CN221079529U (en) | Photovoltaic power generation operation and maintenance line marking device | |
| CN215371578U (en) | Automatic change insulating barrier production facility |
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 |