CN106930615B - Automatically controlled well lid lock opening device - Google Patents
Automatically controlled well lid lock opening device Download PDFInfo
- Publication number
- CN106930615B CN106930615B CN201710036931.0A CN201710036931A CN106930615B CN 106930615 B CN106930615 B CN 106930615B CN 201710036931 A CN201710036931 A CN 201710036931A CN 106930615 B CN106930615 B CN 106930615B
- Authority
- CN
- China
- Prior art keywords
- well lid
- lock
- steel ball
- locking bar
- automatically controlled
- 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
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1427—Locking devices
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1481—Security devices, e.g. indicating unauthorised opening
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/006—Locks or fastenings for special use for covers or panels
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Lock And Its Accessories (AREA)
Abstract
A kind of automatically controlled well lid lock opening device, including well lid, which further includes lock cylinder, antenna pedestal, locking bar, coil, antenna, fixed plate, lock core pressing plate, steel ball positioning ring, steel ball, limit magnet ring, lock core base, steering engine, sliding positioning disk, control cavity, sliding sleeve, turntable, sliding bar, spring, connecting rod and telescopic shaft；The invention has the benefit that the Electronic control for being not only able to achieve well lid opens and closes, but also it can guarantee that dustproof and waterproof seals.Effective solution well lid is robbed or burgled, illegal unlatching phenomenon occurs, and ensures the safe and stable operation of underground pipe network, avoids the loss of property.
Description
Technical field
The present invention relates to a kind of three axis well lid lock opening devices, more particularly to a kind of pattern manhole cover lock that is automatically controlled and having seal request
Opening device.
Background technique
With the development of modern city, it is each that thermal pipe, fuel gas conduit, power cable and communication cable etc. are embedded under road
Kind pipe network.In order to which maintenance and management is convenient, it is equipped with inspection shaft on road, arranges numerous well lids.But well lid is robbed or burgled, illegal
Phenomenon is opened to happen occasionally, once lose or it is illegal open, " well eats people " phenomenon or someone's illegal invasion either occurs to setting
Standby, cable generates destruction, causes great harm to property and personal safety.
Summary of the invention
Goal of the invention: the present invention provides a kind of automatically controlled well lid lock opening device, and the purpose is to solve to ask existing for previous Song
Topic, with electronic locking function and remote alarming function, prevents the illegal movement of well lid, has effectively ensured underground pipe network
Safe and stable operation.
Technical solution: the present invention is achieved through the following technical solutions:
A kind of automatically controlled well lid lock opening device, including well lid, the device further include lock cylinder, antenna pedestal, locking bar, coil, day
Line, fixed plate, lock core pressing plate, steel ball positioning ring, steel ball, limit magnet ring, lock core base, steering engine, sliding positioning disk, control cavity,
Sliding sleeve, turntable, sliding bar, spring, connecting rod and telescopic shaft；
The installation through-hole that one end connected well of lock cylinder covers, the other end of lock cylinder fill after passing through turntable with limit magnet ring spiral shell；
Fixed sleeve-board in lock cylinder, fixed by the medial surface in seam allowance face and well lid by fixed plate；
Antenna pedestal is fixed in lock cylinder, and antenna and coil are potted in antenna pedestal with glue；
Sliding bar one end passes through sliding sleeve, spring, lock core base and connect with sliding positioning disk, and the other end passes through another spring
It is connect with locking bar；Sliding is set in locking bar and can axially move relative to locking bar, and sliding positioning disk is arranged in lock core base
It is interior and can axially move relative to lock core base；Sliding bar and sliding sleeve link；
Lock core base is inserted into locking bar one end, and the other end passes through lock cylinder；Lock core base is arranged in lock cylinder；Locking bar can be relative to lock cylinder
Rotation；
Steel ball positions ring set there are gap, steel ball is placed on the limit hole of locking bar side wall outside locking bar and between locking bar
In, steel ball positioning ring is connected on lock core base, and the diameter on sliding sleeve top is less than the diameter of lower part, when so that sliding sleeve rising,
Steel ball can be ejected locking bar side wall and hold out against steel ball positioning ring by the lower part of sliding sleeve so that steel ball, locking bar and steel ball positioning ring it
Between formed rigid connection；
Steering engine is fixed on lock core base bottom；The feeler lever vertical with the output shaft of steering engine is connected on steering engine, when feeler lever turns to
Sliding positioning disk is withstood when vertical to rise so that formation rigid connection between steel ball, locking bar and steel ball positioning ring, works as feeler lever
When steering horizontal, sliding sleeve and sliding bar move down under the action of the spring, separate between steel ball and steel ball positioning ring；
Turntable connects connecting rod by pin shaft, and connecting rod passes through after being fixed on the guiding device on the inside of well lid with telescopic shaft another
One pin shaft connection, turntable and lock core base link.
Control cavity is provided with below lock cylinder, the one end for controlling cavity is connect with turntable, and the other end and control chamber lid connect
It connects.
Control panel is fixed in control cavity, thread guide devices are screwed on control cavity.
Locking bar passes through after lock cylinder at the exposed installation through-hole on well lid, and preventing of can dismantling is provided at the installation through-hole
Protecting cover.
The protective cover and antenna pedestal, antenna pedestal and sleeve, sleeve and locking bar, sleeve and turntable, turntable and control cavity,
Cavity and locking closure is controlled to seal by O-ring.
The antenna and coil are with epoxide-resin glue encapsulating in antenna pedestal.
The limit magnet ring is connect with lock cylinder by screw thread and holding screw.
The automatically controlled pattern manhole cover lock swings 90 ° of controls unlockings by steering engine, shuts.
The telescopic shaft has three.
Three telescopic shafts are uniformly distributed in turntable outer rim.
Advantage and effect:
The present invention provides a kind of automatically controlled well lid lock opening device, including well lid, lock cylinder, antenna pedestal, protective cover, locking bar, line
Circle, antenna, fixed plate, lock core pressing plate, lock pearl positioning ring, limit magnet ring, control chamber lid, lock core base, steering engine, sliding positioning disk,
Control panel, control cavity, sliding sleeve, turntable, sliding bar, spring, connecting rod, pin shaft, telescopic shaft.Lock body passes through lock cylinder and fixed plate
It is mounted on well lid, lock cylinder one end fixed antenna seat is connect with protective cover, and the other end passes through turntable, with limit magnet ring spiral shell
Dress；Antenna and coil are with glue encapsulating in antenna pedestal；Sliding bar one end passes through sliding sleeve, spring, lock core base and sliding positioning disk
Connection, the other end are connect by spring with locking bar；Lock core base is inserted into described locking bar one end, and the other end is inserted into lock cylinder；Steel ball is fixed
On locking bar, steel ball is placed in locking bar limit hole position ring set, and lock core pressing plate, steel ball positioning ring are connected to lock core by screw
On seat；Steering engine is fixed on lock core base；Control cavity one end is connect with turntable, and the other end is connect with control chamber lid, and control panel is fixed
In control cavity, thread guide devices are screwed on control cavity；The both ends of connecting rod are connected with turntable, telescopic shaft respectively by pin shaft
It connects.
The invention has the benefit that the Electronic control for being not only able to achieve well lid opens and closes, but also it can guarantee dustproof and waterproof
Sealing.Effective solution well lid is robbed or burgled, illegal unlatching phenomenon occurs, and ensures the safe and stable operation of underground pipe network, avoids
The loss of property.
Detailed description of the invention:
Fig. 1 is entirety sectional view of the invention；
Fig. 2 is partial sectional view of the invention；
Fig. 3 is bottom view of the invention；
In figure: 1. well lids, 2. lock cylinders, 3. antenna pedestals, 4. first screws, 5. first O-rings, 6. protective covers, 7. locking bars, 8.
Second O-ring, 9. coils, 10. antennas, 11. third O-rings, 12. fixed plates, 13. the 4th O-rings, 14. lock core pressing plates,
15. pearl positioning ring is locked, 16. lock pearls, 17. the 5th O-rings, 18. the 6th O-rings, 19. limit magnet rings, 20. thread guide devices, 21.
Second screw, 22. control chamber lids, 23. lock core bases, 24. steering engines, 25. sliding positioning disks, 26. control panels, 27. the 7th O-rings,
28. cavity is controlled, 29. springs, 30. sliding sleeves, 31. turntables, 32. third screws, 33. sliding bars, 34. the 4th screws, 35.
First pin shaft, 36. connecting rods, 37. second pin shafts, 38. telescopic shafts.
Specific embodiment: the present invention will be further described with reference to the accompanying drawing:
As shown in Figure 1, the present invention provides a kind of automatically controlled well lid lock opening device, including well lid 1, the device further include lock cylinder
2, antenna pedestal 3, locking bar 7, coil 9, antenna 10, fixed plate 12, lock core pressing plate 14, steel ball positioning ring 15, steel ball 16, limit magnet ring
19, lock core base 23, steering engine 24, sliding positioning disk 25, control cavity 28, sliding sleeve 30, turntable 31, sliding bar 33, spring 29, company
Bar 36 and telescopic shaft 38；
Installation through-hole on one end connection well lid 1 of lock cylinder 2, the other end of lock cylinder 2 pass through after turntable 31 with limit magnet ring
19 spiral shells dress；12 sets of fixed plate in lock cylinder 2, fixed plate 12 is fixed by seam allowance face and the medial surface of well lid (1)；Fixed plate 12 is used
In fixed lock cylinder 2, prevent it from falling off to well lid interior direction.
Antenna pedestal 3 is fixed in lock cylinder 2, and antenna 10 and coil 9 are potted in antenna pedestal 3 with glue；
33 one end of sliding bar passes through sliding sleeve 30, spring 29, lock core base 23 and connect with sliding positioning disk 25, and the other end passes through
Another spring is connect with locking bar 7；Sliding sleeve 30 is arranged in locking bar 7 and can axially move relative to locking bar 7, sliding positioning
Disk 25 is arranged in lock core base 23 and can axially move relative to lock core base 23；Sliding bar 33 and sliding sleeve 30 link；Spring
29 upper end connects sliding bar 33, and lower end connects lock core base 23；
Lock core base 23 is inserted into 7 one end of locking bar, and the other end passes through lock cylinder 2；Lock core base 23 is arranged in lock cylinder 2；Locking bar 7 can phase
Lock cylinder 2 is rotated；
15 sets of steel ball positioning ring it is outer in locking bar 7 and between locking bar 7 there are gap, steel ball 16 is placed on the limit of locking bar side wall
In the hole of position, steel ball positioning ring 15 is connected on lock core base 23, and the diameter on 30 top of sliding sleeve is less than the diameter of lower part, so that sliding
When set 30 rises, steel ball 16 can be ejected 7 side wall of locking bar and hold out against steel ball positioning ring 15 by the lower part of sliding sleeve 30, so that steel ball,
Rigid connection is formed between locking bar and steel ball positioning ring；
Steering engine 24 is fixed on lock core base bottom；It is connected with the feeler lever vertical with the output shaft of steering engine 24 on steering engine 24, works as touching
Bar withstands sliding positioning disk 25 and rises so that forming rigid connect between steel ball, locking bar and steel ball positioning ring when turning to vertical
It connects, when feeler lever steering horizontal, sliding sleeve 30 and sliding bar 33 move down under the action of a spring 29, steel ball 16 and steel ball positioning ring
It is separated between 15；
Turntable 31 connects connecting rod 36 by pin shaft 35, and connecting rod 36, which passes through, to be fixed on after the guiding device on the inside of well lid and stretch
Axis 38 is connected by another pin shaft 37, and turntable 31 and lock core base 23 link.
The lower section of lock cylinder 2 is provided with control cavity 28, and one end of control cavity 28 is connect with turntable 31, the other end and control
Chamber lid 22 connects.
Control panel 26 is fixed in control cavity, thread guide devices 20 are screwed on control cavity 28.
At the exposed installation through-hole on well lid 1 after lock cylinder 2, being provided at the installation through-hole can dismantle locking bar 7
Protective cover 6.
Protective cover and antenna pedestal, antenna pedestal and sleeve, sleeve and locking bar, sleeve and turntable, turntable and control cavity, control
Cavity and locking closure are sealed by O-ring.Degree of protection is up to IP68.
Antenna and coil are with epoxide-resin glue encapsulating in antenna pedestal.It limits magnet ring and lock cylinder passes through screw thread and holding screw
Connection, limit magnet ring incude lock body switch state.Automatically controlled pattern manhole cover lock swings 90 ° of controls unlockings by steering engine, shuts.
The telescopic shaft has three.Matched to have three sets of axis, connecting rods, three telescopic shafts are uniformly distributed in outside turntable 31
Edge.
The antenna pedestal is fixed by screws in lock cylinder.The protective cover is threadably secured in lock cylinder, prevents water
Enter lock cylinder with silt.The turntable drives telescopic shaft movement by connecting rod.
The steel ball moves in the cavity that locking bar, steel ball positioning ring, sliding sleeve surround jointly.
The steering engine wired can power, can also be with wireless power.
Specific assembly method:
Antenna pedestal 3 is fixed in lock cylinder 2 by the first screw 4, is sealed with the first O-ring 5 and third O-ring 11.Antenna
10 and coil 9 be potted in antenna pedestal 3 with glue, protective cover 6 is connected through a screw thread with lock cylinder 2, with the second O-ring 8 seal.
Lock cylinder 2 passes through turntable 31, is threadedly coupled with limit magnet ring 19, and lock cylinder 2 and turntable 31 are sealed with the 5th O-ring 17.
33 one end of sliding bar passes through sliding sleeve 30, spring 29, lock core base 23 and is threadedly coupled with sliding positioning disk 25, the other end
It is connect by spring 29 with locking bar 7.Lock core base 23 is inserted into 7 one end of locking bar, and the other end is inserted into lock cylinder 2, close with the 4th O-ring 13
Envelope.15 sets of steel ball positioning ring on locking bar 7, steel ball 16 is placed in 7 limit hole of locking bar, with the 4th screw 34 by lock core pressing plate
14, steel ball positioning ring 15 is connected on lock core base 23.Steering engine 24 is fixed on lock core base 23.
Control 28 one end of cavity is connect with turntable 31 by third screw 32, is sealed with the 6th O-ring 18；The other end and control
Chamber lid 22 processed is connected by the second screw 21, is sealed with the 7th O-ring 27.Control panel 26 is fixed in control cavity 28, lead
Device 20 is screwed on control cavity 28.
The both ends of connecting rod 36 pass through the first pin shaft 35 respectively, the second pin shaft 37 is connect with turntable 31, telescopic shaft 38.
Working method: putting 90 ° on steering engine 24, the feeler lever on steering engine 24, which raises up vertically and withstands sliding positioning disk 25, to be risen,
And then sliding sleeve 30 is driven to move up, steel ball 16 is ejected 7 surface of locking bar, and locking bar 7 and steel ball positioning ring 15 are formed rigidity and connected by steel ball
It connects, then opens protective cover 6, and then rotate locking bar 7, lock core base 23 and turntable 31 is driven to rotate, to be driven by connecting rod 36
Telescopic shaft 38 is mobile to stretch out the borehole wall for withstanding surrounding, and lock body is in close state；When 24 bottom of steering engine, feeler lever on steering engine 24 from
It opens sliding positioning disk 25 and tends to horizontal position, at the same time, spring 29 pushes sliding sleeve 30 to move down, and steel ball retracts locking bar surface,
Locking bar and steel ball positioning ring disconnect rigid connection, can relatively rotate, and locking bar idle running, turntable and telescopic rod are stationary, lock body
It is in the open state.
Claims (10)
1. a kind of automatically controlled well lid lock opening device, including well lid (1), it is characterised in that: the device further includes lock cylinder (2), antenna
Seat (3), locking bar (7), coil (9), antenna (10), fixed plate (12), lock core pressing plate (14), steel ball positioning ring (15), steel ball
(16), limit magnet ring (19), lock core base (23), steering engine (24), sliding positioning disk (25), control cavity (28), sliding sleeve (30),
Turntable (31), sliding bar (33), spring (29), connecting rod (36) and telescopic shaft (38)；
Installation through-hole in one end connection well lid (1) of lock cylinder (2), the other end of lock cylinder (2) pass through turntable (31) afterwards with limit
Magnet ring (19) spiral shell dress；Fixed plate (12) covers on lock cylinder (2), and fixed plate (12) is solid by the medial surface of seam allowance face and well lid (1)
It is fixed；
Antenna pedestal (3) is fixed on lock cylinder (2), and antenna (10) and coil (9) are potted in antenna pedestal (3) with glue；
Sliding bar (33) one end passes through sliding sleeve (30), spring (29), lock core base (23) and connect with positioning disk (25) are slided, another
End is connect by another spring with locking bar (7)；Sliding sleeve (30) setting is in locking bar (7) and can do axis relative to locking bar (7)
To movement, positioning disk (25) setting is slided in lock core base (23) and can be axially moved relative to lock core base (23)；Sliding bar
(33) it links with sliding sleeve (30)；
Lock core base (23) are inserted into locking bar (7) one end, and the other end passes through lock cylinder (2)；Lock core base (23) setting is in lock cylinder (2)；Lock
Bar (7) can be rotated relative to lock cylinder (2)；
Steel ball positioning ring (15) is covered in locking bar (7) outside and between locking bar (7) there are gap, and steel ball (16) is placed on locking bar side wall
Limit hole in, steel ball positioning ring (15) is connected on lock core base (23), and the diameter on sliding sleeve (30) top is less than the straight of lower part
Diameter, when so that sliding sleeve (30) rising, steel ball (16) can be ejected locking bar (7) side wall and hold out against steel ball by the lower part of sliding sleeve (30)
Positioning ring (15), so that forming rigid connection between steel ball, locking bar and steel ball positioning ring；
Steering engine (24) is fixed on lock core base bottom；The feeler lever vertical with the output shaft of steering engine (24) is connected on steering engine (24), when
Feeler lever withstands sliding positioning disk (25) and rises so that forming rigidity between steel ball, locking bar and steel ball positioning ring when turning to vertical
Connection, when feeler lever steering horizontal, sliding sleeve (30) and sliding bar (33) move down under the action of spring (29), steel ball (16) and
It is separated between steel ball positioning ring (15)；
Turntable (31) by pin shaft (35) connection connecting rod (36), connecting rod (36) pass through be fixed on after the guiding device on the inside of well lid with
Telescopic shaft (38) is connected by another pin shaft (37), and turntable (31) and lock core base (23) are linked.
2. automatically controlled well lid lock opening device according to claim 1, it is characterised in that: lock cylinder is provided with control below (2)
One end of cavity (28) processed, control cavity (28) is connect with turntable (31), and the other end is connect with control chamber lid (22).
3. automatically controlled well lid lock opening device according to claim 1, it is characterised in that: be fixed with control panel in control cavity
(26), thread guide devices (20) are screwed in control cavity (28).
4. automatically controlled well lid lock opening device according to claim 1, it is characterised in that: it is naked afterwards that locking bar (7) passes through lock cylinder (2)
It is exposed at the installation through-hole on well lid (1), the protective cover (6) that can be dismantled is provided at the installation through-hole.
5. automatically controlled well lid lock opening device according to claim 4, it is characterised in that: the protective cover and antenna pedestal, day
It is close that line seat and sleeve, sleeve and locking bar, sleeve and turntable, turntable with control cavity, control cavity and locking closure pass through O-ring
Envelope.
6. automatically controlled well lid lock opening device according to claim 1, it is characterised in that: the antenna and coil asphalt mixtures modified by epoxy resin
Rouge glue encapsulating is in antenna pedestal.
7. automatically controlled well lid lock opening device according to claim 1, it is characterised in that: the limit magnet ring passes through with lock cylinder
Screw thread is connected with holding screw.
8. automatically controlled well lid lock opening device according to claim 1, it is characterised in that: the automatically controlled pattern manhole cover lock is put by steering engine
Dynamic 90 ° of controls are unlocked, are shut.
9. automatically controlled well lid lock opening device according to claim 1, it is characterised in that: the telescopic shaft has three.
10. automatically controlled well lid lock opening device according to claim 9, it is characterised in that: three telescopic shafts are uniformly distributed
In turntable (31) outer rim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710036931.0A CN106930615B (en) | 2017-01-19 | 2017-01-19 | Automatically controlled well lid lock opening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710036931.0A CN106930615B (en) | 2017-01-19 | 2017-01-19 | Automatically controlled well lid lock opening device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106930615A CN106930615A (en) | 2017-07-07 |
| CN106930615B true CN106930615B (en) | 2019-02-15 |
Family
ID=59422875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710036931.0A Active CN106930615B (en) | 2017-01-19 | 2017-01-19 | Automatically controlled well lid lock opening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106930615B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504571B (en) * | 2017-08-31 | 2023-05-26 | 爱优特空气技术（上海）有限公司 | Return air purification device and household central air conditioning purification system |
| CN107956321B (en) * | 2017-12-08 | 2023-03-31 | 上海惠元物联网科技有限公司 | Electric control lock for well cover |
| CN110159098B (en) * | 2019-05-08 | 2023-08-04 | 宁波生久科技有限公司 | Intelligent well lid lock with state monitoring function and using method thereof |
| CN110409500B (en) * | 2019-07-27 | 2021-03-23 | 蓝海绿业生态建设股份有限公司 | Municipal administration is access hole locking device for water supply and drainage system |
| CN111058694A (en) * | 2019-12-12 | 2020-04-24 | 黄宁 | Electronic remote control lock well lid for prison |
| CN111706175B (en) * | 2020-06-08 | 2021-11-23 | 沈阳达能电安全高新产业技术研究院有限公司 | Emergency unlocking device for electronic well lid |
| CN113404386A (en) * | 2021-03-31 | 2021-09-17 | 黄宁 | Electronic remote control lock well lid for prison |
| CO2021011014A1 (en) * | 2021-08-20 | 2022-02-28 | Lopez Gustavo Lozano | Electro-mechanical-satellite system "taga" |
| CN116291288B (en) * | 2023-05-24 | 2023-08-11 | 大庆金海达石油科技有限公司 | Locking type wellhead sealing anti-theft device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202430746U (en) * | 2012-01-16 | 2012-09-12 | 昆明迪森电气有限公司 | Wireless electronic control manhole cover device |
| CN203247607U (en) * | 2012-04-16 | 2013-10-23 | 广州智天电子科技有限公司 | Wireless power supply communication technology-based wireless well lid device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100761794B1 (en) * | 2006-05-17 | 2007-10-04 | 김상태 | Manhole safety cover |
| ITVE20060069A1 (en) * | 2006-10-26 | 2008-04-27 | Michele Bonaldo | ELECTROMECHANICAL CLOSING DEVICE FOR CLOSURES, ACCESSORIES AND TECHNOLOGICAL CONTAINERS, WITH ELECTRONIC OPENING CODING SYSTEM |
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2017
- 2017-01-19 CN CN201710036931.0A patent/CN106930615B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202430746U (en) * | 2012-01-16 | 2012-09-12 | 昆明迪森电气有限公司 | Wireless electronic control manhole cover device |
| CN203247607U (en) * | 2012-04-16 | 2013-10-23 | 广州智天电子科技有限公司 | Wireless power supply communication technology-based wireless well lid device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106930615A (en) | 2017-07-07 |
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