CN115075300A - Intelligent well lid unlocking mode - Google Patents
Intelligent well lid unlocking mode Download PDFInfo
- Publication number
- CN115075300A CN115075300A CN202210826799.4A CN202210826799A CN115075300A CN 115075300 A CN115075300 A CN 115075300A CN 202210826799 A CN202210826799 A CN 202210826799A CN 115075300 A CN115075300 A CN 115075300A
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- CN
- China
- Prior art keywords
- lock
- well lid
- control
- central
- lid body
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 11
- 230000005389 magnetism Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000011161 development Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 229940025586 lidopen Drugs 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Images
Classifications
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- 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
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- 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
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
Abstract
The invention provides an intelligent well lid unlocking method, and mainly relates to the technical field of intelligent well lids. An intelligent well lid unlocking method is characterized in that a well lid enters an open state through remote control equipment such as a Bluetooth local remote control or remote monitoring platform, a single-chip microcomputer microprocessor receives an opening signal and then controls a motor to enable an electric control spring bolt to rotate to a single-point position sensor triggering an opening position, the single-point position sensor enters the open state, a locking block gradually keeps away from a central lock control locking disc along with the rotation of the electric control spring bolt, the central lock control locking disc can rotate, a central lock control shaft can be driven to rotate by a rotating handle at the moment, the central lock control shaft drives the central lock control driving disc to rotate, and the central lock control driving disc pulls a lock shaft to move towards the center direction of a well lid body through a three-shaft connecting rod. The invention has the beneficial effects that: it unblanks with circuit control and the manual structure of unblanking of mechanical password key fuses mutually, can simplify the lock body structure on the basis of guaranteeing durability and ease for use, reduction in production cost by a wide margin, improve equipment's assembly efficiency.
Description
Technical Field
The invention mainly relates to the technical field of intelligent well lids, in particular to an unlocking mode of an intelligent well lid.
Background
With the continuous development of urban construction, underground cellar well covers are important components of basic public facilities such as drainage, gas, municipal administration, electric power and communication, and play an indispensable important role. For preventing that irrelevant personnel from opening the well lid at will, destroy the communal facility, more double-deck well lid has appeared among the prior art, and outer well lid is conventional well lid, and interior well lid is intelligent well lid, and remote monitoring and control well lid's open and close state can be realized to intelligent well lid.
This type of intelligence well lid generally includes structures such as lock storehouse, drive unit, locking execution unit, can arrange electrical apparatus such as control module, circuit in the lock storehouse, and its use has certain requirement to leakproofness and waterproof nature. At present, the intelligent well covers all have the following defects: the manhole cover can be disabled in partial scenes by means of remotely controlling the manhole cover, or the manhole cover can not be remotely opened due to circuit faults and the like after long-time water soaking, so that the development of normal work is influenced; some products in the market still keep the mechanical unlocking mode in order to deal with the above-mentioned condition that probably became invalid, but have the problem that the structure is complicated, manufacturing cost is high, assembly efficiency is low.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides an intelligent well lid unlocking mode, the lock body structure of the device is simple, the circuit control unlocking (APP Bluetooth control, NB-IoT remote control and RS422 wired control) and the mechanical control unlocking structure are integrated, the lock body structure can be simplified on the basis of ensuring the durability and the usability, the production cost is greatly reduced, and the assembly efficiency of equipment is improved.
In order to achieve the purpose, the invention is realized by the following technical scheme:
an intelligent well lid unlocking mode comprises a well lid body, wherein a central lock cabin is fixedly arranged in the middle of the well lid body, a central lock control shaft is rotatably arranged in the middle of the well lid body, a handle is fixedly arranged at one end, close to the well lid body, of the central lock control shaft, a lock control driving disc is fixedly arranged at one end, far away from the well lid body, of the well lid body, a magnetic password lock cylinder is embedded in the well lid body and penetrates through the central lock cabin, the central lock control shaft penetrates through the central lock cabin and is rotatably connected with the central lock cabin, the central lock cabin comprises a lock cabin bottom plate and a lock cabin shell, the lock cabin bottom plate is fixedly arranged in the middle of the well lid body through bolts, the lock cabin shell is fixedly arranged on the lock cabin bottom plate, a lock tongue support is fixedly arranged on the lock cabin bottom plate, an electric control lock tongue is rotatably arranged on the lock tongue support, a sensor adjusting gasket is fixedly arranged on one side of the electric control tongue, the lock is characterized in that a locking block is rotatably installed on one side of the electric control spring bolt, a torsional spring is installed at the rotating connection position of the locking block and the electric control spring bolt, a shifting fork is installed at the end part of the magnetic coded lock cylinder, two single-point position sensors are fixedly installed on a lock cabin bottom plate, a central lock control disc is fixedly installed in the middle of a central lock control shaft, a three-shaft connecting rod is rotatably connected to the lock control disc, a three-shaft support is fixedly installed at the bottom of the well lid body, a lock shaft is movably installed in the three-shaft support, the other end of the three-shaft connecting rod is rotatably connected with the lock shaft, and the unlocking mode is as follows: the well lid enters an opening state through remote control equipment such as a Bluetooth local remote control or remote monitoring platform, a single-chip microprocessor controls a motor to enable an electric control spring bolt to rotate to a single-point position sensor triggering an opening position after receiving an opening signal, the single-chip microprocessor enables a single-point position sensor triggering the opening position to enter the opening state, a locking block gradually keeps away from a central locking control disc along with the rotation of the electric control spring bolt, the central locking control disc can rotate, a central locking control shaft can be driven to rotate through a rotating handle, the central locking control disc drives the central locking control disc to rotate, the central locking control disc pulls a lock shaft to move towards the center direction of the well lid body through a three-shaft connecting rod, the well lid enters an opening state when the central locking control disc rotates to a limiting rod, and the well lid can be opened by pulling up the U-shaped pull ring; the locking process of the well lid is similar to the unlocking step, and all the moving parts can reversely rotate; when the driving device encounters a fault or the remote communication device cannot normally work and the well lid cannot be opened, the accessible key is inserted into the magnetic coded lock cylinder to rotate, the magnetic coded lock cylinder drives the pulling and inserting rotation at the end part of the magnetic coded lock cylinder installed in the central control lock cabin, the shifting fork pulls the lock block to overcome the torsion of the torsion spring, the lock block enters the opening position far away from the central lock control lock disc and enters the lock block, and then the well lid can be manually opened.
Two U type pull rings are installed to the symmetry on the well lid body, three supporting legs of well lid body bottom fixedly connected with, it is three the supporting legs is the circular axis symmetrical arrangement about central lock accuse axle, well lid body bottom fixed mounting has waterproof box, install control circuit board in the waterproof box, the fixed outer well lid detection sensor that sets up in the well lid body.
A plurality of drain holes are formed in the well lid body, and a drain groove is formed in one side of the well lid body where the central control lock bin is located.
And a sealing ring is arranged between the lock cabin shell and the lock cabin bottom plate.
And a plurality of limiting rods are fixed on the lock bin bottom plate.
And a sealing sleeve is arranged at the rotary connection position of the lock chamber bottom plate and the central lock control shaft.
Compared with the prior art, the invention has the beneficial effects that:
the intelligent well lid can be remotely monitored and controlled to be opened and closed through the structures such as the circuit control panel and the electric control spring bolt, and when the remote control fails, the intelligent well lid can be opened in a mechanical unlocking mode, so that the normal development of work is ensured; the lock body structure of this device is simple, and circuit control unblanks (APP bluetooth control, NB-IoT remote control, RS422 wired control) and mechanical control structure of unblanking fuses mutually, can simplify the lock body structure on the basis of guaranteeing durability and ease for use, reduction in production cost by a wide margin, improve equipment's assembly efficiency.
Drawings
FIG. 1 is a schematic bottom view of the present invention;
FIG. 2 is a schematic view of the upper viewing structure of the present invention;
FIG. 3 is a schematic view of a first perspective structure inside the control lock chamber according to the present invention;
FIG. 4 is a schematic view of a second perspective structure inside the control lock chamber of the present invention;
FIG. 5 is an enlarged view of part A of the present invention;
FIG. 6 is a schematic view of the installation position of the drainage groove and the sealing sleeve of the present invention;
fig. 7 is a flow chart of the unlocking process of the present invention.
The reference numbers shown in the figures: 1. a well cover body; 2. a central control lock bin; 3. a central lock control shaft; 4. a handle; 5. a lock control drive disc; 6. a magnetic coded lock cylinder; 11. a three-axis support; 12. a lock shaft; 13. a U-shaped pull ring; 14. supporting legs; 15. a waterproof box; 16. an outer well cover detection sensor; 20. a bin locking bottom plate; 21. a lock bin housing; 22. a tongue support; 23. an electrically controlled bolt; 24. adjusting the gasket; 25. a locking block; 26. a torsion spring; 27. a shifting fork; 28. a single-point position sensor; 30. a central lock control disc; 50. a three-axis linkage; 100. a hydrophobic pore; 101. a drainage tank; 200. a seal ring; 201. a limiting rod; 300. and (5) sealing the sleeve.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
With reference to the attached figures 1-6, an intelligent well lid unlocking method comprises a well lid body 1, wherein a central lock chamber 2 is fixedly arranged in the middle of the well lid body 1, a central lock shaft 3 is rotatably arranged in the middle of the well lid body 1, a handle 4 is fixedly arranged at one end of the central lock shaft 3 close to the well lid body 1, a lock control driving disc 5 is fixedly arranged at one end far away from the well lid body 1, a magnetic coded lock cylinder 6 is embedded in the well lid body 1, the magnetic coded lock cylinder 6 penetrates through the central lock chamber 2, the central lock shaft 3 penetrates through the central lock chamber 2 and is rotatably connected with the central lock chamber 2, the central lock chamber 2 comprises a lock chamber bottom plate 20 and a lock chamber shell 21, the lock chamber bottom plate 20 is fixedly arranged in the middle of the well lid body 1 by bolts, the lock chamber shell 21 is fixedly arranged on the lock chamber bottom plate 20, a lock tongue support 22 is fixedly arranged on the lock chamber bottom plate 20, an electric control bolt 23 is rotatably installed on the bolt support 22, a sensor adjusting gasket 24 is fixedly installed on one side of the electric control bolt 23, a locking block 25 is rotatably installed on one side of the electric control bolt 23, a torsional spring 26 is installed at the rotary joint of the locking block 25 and the electric control bolt 23, a shifting fork 27 is installed at the end part of the magnetic coded lock cylinder 6, two single-point position sensors 28 are fixedly installed on the lock chamber bottom plate 20, a central lock control disc 30 is fixedly installed in the middle of the central lock control shaft 3, a three-shaft connecting rod 50 is rotatably connected to the lock control disc 5, a three-shaft support 11 is fixedly installed at the bottom of the well lid body 1, a lock shaft 12 is movably installed in the three-shaft support 11, and the other end of the three-shaft connecting rod 50 is rotatably connected to the lock shaft 12; when the electric control lock tongue is in a closed state, the elasticity of the torsion spring can keep the electric control lock tongue in a locking position; the two single-point position sensors can monitor the position of the electric control lock tongue and confirm the opening or closing state of the electric control lock tongue; the adjusting shim can trigger a corresponding single-point position sensor when the electric control bolt rotates to an opening or closing position.
The well lid comprises a well lid body 1 and is characterized in that two U-shaped pull rings 13 are symmetrically arranged on the well lid body 1, three supporting legs 14 are fixedly connected to the bottom of the well lid body 1, the three supporting legs 14 are circularly and axially symmetrically arranged about a central lock control shaft 3, a waterproof box 15 is fixedly arranged at the bottom of the well lid body 1, a control circuit board is arranged in the waterproof box 15, and an outer well lid detection sensor 16 is fixedly arranged in the well lid body 1; the control circuit board is a single-chip microprocessor and can receive and process information of each sensor and control corresponding driving components.
A plurality of drainage holes 100 are formed in the well lid body 1, and a drainage groove 101 is formed in one side of the well lid body 1 where the central locking bin 2 is located; the drain hole can timely drain flowing water on the surface of the well lid, and the drain groove can guide water permeating from the joint of the central lock control shaft and the well lid body, so that the central lock cabin is prevented from being permeated by accumulated water and excessive flowing water.
A sealing ring 200 is arranged between the lock bin shell 21 and the lock bin bottom plate 20; the sealing washer can effectively improve the leakproofness in lock storehouse.
A plurality of limiting rods 201 are fixed on the lock bin bottom plate 20; the limiting rod is used for limiting the moving range of movable parts such as an electric control lock tongue, a shifting fork, a central lock control lock disc and the like, so that the movable parts can move in a normal working range.
A sealing sleeve 300 is arranged at the rotary connection position of the lock chamber bottom plate 20 and the central lock control shaft 3; the sealing sleeve is a direct barrier for preventing flowing water from permeating into the central lock cabin along with the central lock control shaft, and the sealing sleeve is matched with the drainage groove to timely drain the flowing water, so that the condition that the normal work is influenced by the water inflow of the electrical equipment can be effectively avoided.
When the device is used, the well lid is enabled to enter an opening state through remote control equipment (APP Bluetooth control, NB-IoT remote control and RS422 wired control) such as a Bluetooth local remote control or remote monitoring platform, the single-chip microprocessor receives an opening signal and then controls the motor to enable the electric control spring bolt to rotate to trigger the single-point position sensor at an opening position to enter the opening state, the locking block gradually gets away from the central lock control locking disc along with the rotation of the electric control spring bolt, the central lock control locking disc can rotate, the central lock control shaft can be driven to rotate through the rotating handle at the moment, the central lock control shaft drives the central lock control driving disc to rotate, the central lock control driving disc pulls the locking shaft to move towards the center direction of the well lid body through the three-shaft connecting rod, the well lid enters the opening state when the central lock control locking disc rotates to the position of the limiting rod, and the well lid can be opened by pulling the U-shaped pull ring; the locking process of the well lid is similar to the unlocking step, and all the moving parts can reversely rotate; when drive arrangement meets trouble or remote communication equipment can't normally work well lid can not open, the accessible key inserts magnetism password lock core and rotates, magnetism password lock core drives the pulling out of installing magnetism password lock core tip in well accuse lock storehouse and inserts the rotation, the shift fork is stirred the locking piece and is overcome torsional spring torsion and get into the position of opening of keeping away from central lock accuse locking disc entering locking piece, can manually make the well lid get into and can open the state, extensive use scene of reply that can be better, the development that influences normal work when avoiding the unable long-range opening of well lid.
The well lid opening method and opening process are as follows:
1. unlocking by a mechanical magnetic coded key:
the user unblanks at the bluetooth, the emergent mode of unblanking when remote monitoring platform mode of unblanking became invalid, and when only the magnetism password of mechanical key and 6 magnetism passwords of well lid magnetism password lock core match, the user could rotate the lock core and drive shift fork 27 and open locking piece 25, and the user rotates 4 behind the mechanical handle and opens well lid lock axle 12, opens the well lid.
2. APP Bluetooth unlocking:
the user can open intelligent well lid by local remote control through the mobile phone bluetooth of installation special APP, and on-the-spot well lid mainly has two kinds of modes, and one kind is that long online mode bluetooth is in the state of opening always, and one kind is the low power consumption mode, needs the on-the-spot bluetooth of awakening up to carry out the well lid operation. After the APP establishes communication with the well lid Bluetooth, protocol authentication is required; after the authentication is passed, the motor can be controlled to rotate the electric control bolt 23 to synchronously open the locking block 25; the user can rotate mechanical handle 4 and open intelligent well lid this moment.
3. Unlocking the monitoring platform:
the system supports a monitoring platform remote unlocking mode, and the intelligent well lid controller supports a wired communication mode (RS 422 or Ethernet mode) or a wireless communication mode (NB-IOT, 4G); a worker calls a monitoring platform person in charge, the person in charge can remotely issue a well lid control instruction through the monitoring platform, and after the well lid control instruction passes unlocking authentication, the motor can be controlled to rotate the electric control lock tongue 23 to open the well lid unlocking stop 25; local staff rotates mechanical handle 4 and opens well lid lock axle 12, opens the well lid.
Claims (6)
1. The utility model provides an intelligence well lid mode of unblanking, includes well lid body (1), its characterized in that: well lid body (1) middle part fixed mounting well accuse lock storehouse (2), well lid body (1) middle part rotates installation central lock accuse axle (3), central lock accuse axle (3) are close to well lid body (1) one end fixed mounting handle (4), keep away from well lid body (1) one end fixed mounting lock accuse driving-disc (5), embedded installation magnetism password lock core (6) in well lid body (1), magnetism password lock core (6) penetrate well accuse lock storehouse (2), central lock accuse axle (3) run through well accuse lock storehouse (2) in and rotate the connection wherein, well accuse lock storehouse (2) are including lock storehouse bottom plate (20), lock storehouse shell (21), lock storehouse bottom plate (20) use bolt fixed mounting in well lid body (1) middle part, lock storehouse shell (21) fixed mounting is on lock storehouse bottom plate (20), a lock tongue support (22) is fixedly installed on the lock cabin bottom plate (20), an electric control lock tongue (23) is rotatably installed on the lock tongue support (22), a sensor adjusting gasket (24) is fixedly installed on one side of the electric control lock tongue (23), a locking block (25) is rotatably installed on one side of the electric control lock tongue (23), a torsion spring (26) is installed at the rotary connection position of the locking block (25) and the electric control lock tongue (23), a shifting fork (27) is installed at the end part of the magnetic coded lock cylinder (6), two single-point position sensors (28) are fixedly installed on the lock cabin bottom plate (20), a central lock control disc (30) is fixedly installed in the middle of the central lock control shaft (3), a three-shaft connecting rod (50) is rotatably connected on the lock control driving disc (5), a three-shaft support (11) is fixedly installed at the bottom of the well lid body (1), and a lock shaft (12) is movably installed in the three-shaft support (11), the other end of the three-shaft connecting rod (50) is rotatably connected with the lock shaft (12), and the unlocking mode is as follows: the well lid is opened by remote control equipment such as a Bluetooth local remote control or remote monitoring platform, a single-chip microprocessor controls a motor to rotate to a single-point position sensor triggering an opening position after receiving an opening signal, so that the well lid is opened, a locking block gradually keeps away from a central lock control locking disc along with the rotation of the electric control locking dog, the central lock control locking disc can rotate, a central lock control shaft can be driven to rotate by a rotating handle, the central lock control driving disc is driven to rotate by the central lock control shaft, the central lock control driving disc pulls a locking shaft to move towards the center direction of the well lid body through a three-shaft connecting rod, the well lid enters an openable state when the central lock control locking disc rotates to a limiting rod, and the well lid can be opened by pulling the well lid through a U-shaped pull ring; the locking process of the well lid is similar to the unlocking step, and all the moving parts can reversely rotate; when the driving device encounters a fault or the remote communication device cannot normally work and the well lid cannot be opened, the accessible key is inserted into the magnetic coded lock cylinder to rotate, the magnetic coded lock cylinder drives the pulling and inserting rotation at the end part of the magnetic coded lock cylinder installed in the central control lock cabin, the shifting fork pulls the lock block to overcome the torsion of the torsion spring, the lock block enters the opening position far away from the central lock control lock disc and enters the lock block, and then the well lid can be manually opened.
2. The intelligent well lid unlocking mode is characterized in that: two U type pull rings (13) are installed to the symmetry on well lid body (1), three supporting legs (14) of well lid body (1) bottom fixedly connected with, it is three supporting legs (14) are the circular axis symmetrical arrangement about central lock accuse axle (3), well lid body (1) bottom fixed mounting has waterproof box (15), installation control circuit board in waterproof box (15), fixed outer well lid detection sensor (16) that sets up in well lid body (1).
3. The intelligent well lid unlocking mode is characterized in that: a plurality of drain holes (100) are formed in the well lid body (1), and a drain groove (101) is formed in one side, where the central control lock bin (2) is located, of the well lid body (1).
4. The intelligent well lid unlocking mode is characterized in that: and a sealing ring (200) is arranged between the lock bin shell (21) and the lock bin bottom plate (20).
5. The intelligent well lid unlocking mode is characterized in that: a plurality of limiting rods (201) are fixed on the lock bin bottom plate (20).
6. The intelligent well lid unlocking mode is characterized in that: a sealing sleeve (300) is arranged at the rotary connection position of the lock chamber bottom plate (20) and the central lock control shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210826799.4A CN115075300A (en) | 2022-07-14 | 2022-07-14 | Intelligent well lid unlocking mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210826799.4A CN115075300A (en) | 2022-07-14 | 2022-07-14 | Intelligent well lid unlocking mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115075300A true CN115075300A (en) | 2022-09-20 |
Family
ID=83259715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210826799.4A Pending CN115075300A (en) | 2022-07-14 | 2022-07-14 | Intelligent well lid unlocking mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115075300A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4848458A (en) * | 1988-10-03 | 1989-07-18 | Kamkap, Inc. | Lockable well cap |
| CN103352614A (en) * | 2013-07-30 | 2013-10-16 | 山东康威通信技术股份有限公司 | Device applied to locking and opening well lid lock and stably keeping |
| CN107956321A (en) * | 2017-12-08 | 2018-04-24 | 上海惠元物联网科技有限公司 | A kind of well lid electric control lock |
| CN111313543A (en) * | 2019-11-25 | 2020-06-19 | 山东康威通信技术股份有限公司 | Wireless networking well cover system and method for power joint well pipe well |
| CN211549167U (en) * | 2019-10-29 | 2020-09-22 | 徐州克瑞艾特电子科技有限公司 | Manhole cover lock |
| CN111894042A (en) * | 2020-07-20 | 2020-11-06 | 安徽理工大学 | Emergency escape device for well cover lock |
| CN112443205A (en) * | 2020-10-29 | 2021-03-05 | 山东每联电子电器有限公司 | Anti-theft three-shaft lock structure for manhole cover |
| CN216893891U (en) * | 2022-06-06 | 2022-07-05 | 山东旷为信息科技有限公司 | Electric well lid lock bin and sealing structure thereof |
-
2022
- 2022-07-14 CN CN202210826799.4A patent/CN115075300A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4848458A (en) * | 1988-10-03 | 1989-07-18 | Kamkap, Inc. | Lockable well cap |
| CN103352614A (en) * | 2013-07-30 | 2013-10-16 | 山东康威通信技术股份有限公司 | Device applied to locking and opening well lid lock and stably keeping |
| CN107956321A (en) * | 2017-12-08 | 2018-04-24 | 上海惠元物联网科技有限公司 | A kind of well lid electric control lock |
| CN211549167U (en) * | 2019-10-29 | 2020-09-22 | 徐州克瑞艾特电子科技有限公司 | Manhole cover lock |
| CN111313543A (en) * | 2019-11-25 | 2020-06-19 | 山东康威通信技术股份有限公司 | Wireless networking well cover system and method for power joint well pipe well |
| CN111894042A (en) * | 2020-07-20 | 2020-11-06 | 安徽理工大学 | Emergency escape device for well cover lock |
| CN112443205A (en) * | 2020-10-29 | 2021-03-05 | 山东每联电子电器有限公司 | Anti-theft three-shaft lock structure for manhole cover |
| CN216893891U (en) * | 2022-06-06 | 2022-07-05 | 山东旷为信息科技有限公司 | Electric well lid lock bin and sealing structure thereof |
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