CN104480968A - Short message switching alarming system and method for well lid - Google Patents
Short message switching alarming system and method for well lid Download PDFInfo
- Publication number
- CN104480968A CN104480968A CN201410710244.9A CN201410710244A CN104480968A CN 104480968 A CN104480968 A CN 104480968A CN 201410710244 A CN201410710244 A CN 201410710244A CN 104480968 A CN104480968 A CN 104480968A
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- China
- Prior art keywords
- well lid
- seat ring
- inner cap
- short message
- monitoring server
- 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
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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
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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
- E02D29/1481—Security devices, e.g. indicating unauthorised opening
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
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- 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)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Alarm Systems (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention relates to short message switching alarming system and method for a well lid. The short message switching alarming system for the well lid comprises a well lid bezel; an outer cover is arranged at the upper part of the well lid bezel, and while an inner cover is arranged in the well lid bezel; a locking mechanism is arranged on the inner cover, wherein the locking mechanism is matched with the well lid bezel to lock the inner core into the well lid bezel; the locking mechanism comprises a rotating lock cylinder which passes through the middle part of the inner core from top to bottom; the rotating lock cylinder comprises a housing equipped with outer threads; a rotating shaft is arranged in the housing and passes through the lower part of the housing; a magnet block which can slide up and down is arranged on the rotating shaft; a bulge is arranged at the upper part of the magnet block; a three-pore rotating cover for inserting a three-core key is arranged on the housing a concave part in match with the bulge on the magnet block is arranged at the lower part of the three-pore rotating cover; an annular electromagnet is arranged in the circumference of the three-pore rotating cover, in the concave part; the three-core key comprises an MCU, a power module, a short message transceiving module, and a driving circuit for driving the annular electromagnet. According to the method, the short message switching alarming system for the well lid is utilized to achieve the remote short message switching and alarming for the inner cover of the well lid.
Description
Technical field
The present invention relates to a kind of well lid messaging switch warning system and alarm method.
Background technology
Well lid is the closure at the top, access leading to underground installation, and the place of the communal facilities such as every installation tap water, telecommunications, electric power, combustion gas, heating power, fire-fighting, environmental sanitation all needs to install well lid.Along with the develop rapidly of China's economy, China's infrastructure construction welcomes again a new cycle, and the market demand of well lid in urban planning and road construction is huge.But well lid is by rolling, and breakage happens occasionally, road and installation security is caused to decline.
Well lid in road is mainly used in the deep-well on defiladed route, according to the difference of each subterranean pipe line, some deep-wells are as waterway pipe, cable tubing or gas pipeline etc., deep-well be provided with the maintenance being beneficial to pipeline, but at some in particular cases, heavy rain or human factor cause well lid remove and cause personnel or object to fall into deep-well, or are impacted and jack-up by pressure in deep-well, and the appearance of these phenomenons all will bring huge potential safety hazard to the trip of people.Simultaneously when well lid is as cable, cable tubing, often there is lawless person steals cable situation generation by removing well lid, bringing loss to national wealth.
Tradition well lid is single layer structure, easily because being destroyed by rolling, and not possessing well lid electronic lock, cannot uncap and carrying out long-range control of uncapping, and report to the police to uncapping to well lid.
Summary of the invention
The object of the present invention is to provide a kind of structure simple, circuit function is easy to realize, and realizes the remote short messages switch of well lid inner cap and the well lid messaging switch warning system of warning and alarm method.
For achieving the above object, technical scheme of the present invention is: a kind of well lid messaging switch warning system, comprise well lid seat ring, described well lid seat top is provided with the enclosing cover for closed well lid seat ring, be provided with inner cap in described well lid seat ring, cover in described to be provided with and match to be locked in the latching device in well lid seat ring with described well lid seat ring; Described latching device comprises the rotary locking cylinder passed in the middle part of inner cap from top to bottom; Described rotary locking cylinder comprises with externally threaded housing, the rotating shaft passing its underpart is provided with in described housing, described rotating shaft is provided with the magnetic patch that can slide up and down, described magnetic patch top is provided with protuberance, described housing is also provided with the three hole hub caps for inserting three core keys, described three hub cap bottoms, hole are provided with the recess that to match with the protuberance of described magnetic patch, and the perimembranous that described three hole hub caps are positioned at described recess is provided with ring electromagnet; Power module, short message transceiving module and for driving the drive circuit of described ring electromagnet that described three core keys comprise MCU and are connected with this MCU.
In embodiments of the present invention, described power module adopts lithium battery power supply; Described outer covering also is provided with electronic tag.
In embodiments of the present invention, described latching device also comprises and to be connected with the rotating shaft of described rotary locking cylinder and to be positioned at the rotating disk below described inner cap, described rotating disk perimembranous interval is hinged with at least two connecting rods, the described connecting rod other end is hinged with the horizontal type telescopic slide bar passing inner cap lower flange, and described well lid seat ring inside wall bottom correspondence is provided with the slotted eye with horizontal type telescopic slide bar matching ends.
In embodiments of the present invention, described enclosing cover perimembranous is provided with the horizontal connecting axle be hinged with well lid seat ring, and described horizontal connecting axle is installed in the corresponding pin shaft hole of well lid seat ring inner sidewall upper portion; The inside wall of described well lid seat ring is circumferentially laid with at least two L-type grooves, and described inner cap perimembranous correspondence is provided with the projection of locating with L-type fit depressions, and described L-type bottom portion of groove has the sagging recess allowing projection sink.
In embodiments of the present invention, on the downside of described enclosing cover, perimembranous interval is laid with three horizontal C type spring arms, the medial extremity of described horizontal C type spring arm is fixedly connected with enclosing cover, its outboard end arranges wedge shaped projection, and on the inside wall of described well lid seat ring, correspondence is provided with the recess coordinating with wedge shaped projection and locate; The inner sidewall upper portion of described well lid seat ring is provided with the terrace for supporting enclosing cover lower surface, and being provided with cross section in described terrace is swallow-tailed rubber groove.
In embodiments of the present invention, the upper flange of described well lid seat ring is laid with at least two for lifting by crane the lifting hole(eyelet) of well lid, the described outer side covered away from horizontal connecting axle is also provided with covered hole, and described upper flange is also provided with sled mouth near the side of covered hole.
Present invention also offers a kind of alarm method adopting well lid messaging switch warning system as above, comprise the steps,
Step S1: the well lid ID that collection is installed on well lid electronic tag everywhere numbers, thus determines each well lid positional information, and is uploaded to well lid monitoring server, the map software on well lid monitoring server is formed well lid distribution map;
Step S2: when well lid need carry out uncapping safeguard time, administrative staff are according to needing manhole cover support distributing position, and notice relevant work personnel carry out well lid and uncap;
Step S3: staff has notice, opens well lid enclosing cover, and in three hole hub caps of the rotary locking cylinder covered in being inserted by three core keys, meanwhile, staff is sent to well lid monitoring server by the well lid ID numbering of mobile scanning terminal electronic tag;
Step S4: well lid monitoring server is numbered according to well lid ID, judge whether this inner cap is well lid of need uncapping, if confirm errorless, then well lid monitoring server sends note to described short message transceiving module, and be sent to MCU, control drive circuit and drive ring electromagnet, thus open inner cap, perform step S5; If confirm wrong, then do not drive ring electromagnet;
Step S5: inner cap is opened successfully, three cores MCU on the key controls short message transceiving module, sends information to well lid monitoring server, confirms that well lid inner cap is normally opened, and completes well lid inner cap and to uncap process;
Step S6: if cover abnormal start-up in well lid, then MCU is by short message transceiving module, sends alarming short message to well lid monitoring server, performs step S7;
Step S7: administrative staff are according to warning message, and notice relevant work personnel inspection well lid, by the reason of abnormal start-up, after staff has confirmed, confirms abnormal start-up reason by mobile terminal.
Compared to prior art, the present invention has following beneficial effect:
1, structure of the present invention is simple, and circuit function is easy to realize;
2, the present invention is by arranging messaging switch lock at the inner cap of Double-layer drain cover, and the remote control switch and the well lid abnormal start-up that achieve well lid inner cap are reported to the police, and have ensured the safety of well lid greatly.
Accompanying drawing explanation
Fig. 1 is manhole cover structure schematic diagram.
Fig. 2 is well lid top view.
Fig. 3 is the A-A view of Fig. 2.
Fig. 4 is lock core structure schematic diagram.
Fig. 5 is inner cover structure schematic diagram.
Fig. 6 is inner cap top view.
Fig. 7 is latching device structural representation.
Fig. 8 is circuit theory diagrams.
Fig. 9 is the inventive method flow chart.
In figure: 1-well lid seat ring 10-upper flange 11-pin shaft hole 12-L type groove 13-recess 14-terrace 141-rubber groove 15-lifting hole(eyelet) 16-prizes mouth 17-rubber pad 18-slotted eye 2-enclosing cover 21-horizontal connecting axle 22-spring arm 221-wedge shaped projection 23-covered hole 24-electronic tag 3-inner cap 31-projection 32-lower flange 4-rotary locking cylinder 41-housing 42-rotating shaft 43-magnetic patch 431-protuberance 44-hub cap 441-recess 45-ring electromagnet 46-core bore 47-nut 5-rotating disk 51-screw 6-connecting rod 7-and to stretch slide bar.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is specifically described.
As shown in figures 1-8, a kind of well lid messaging switch warning device of the present invention, comprise well lid seat ring 1, described well lid seat ring 1 top is provided with the enclosing cover 2 for closed well lid seat ring 1, be provided with inner cap 3 in described well lid seat ring 1, described inner cap 3 be provided with and match to be locked in the latching device in well lid seat ring 1 with described well lid seat ring 1, described latching device comprises the rotary locking cylinder 4 passed in the middle part of inner cap from top to bottom, described rotary locking cylinder 4 comprises with externally threaded housing 41(as shown in Figure 4, this housing 41 is fixed by nut 47), the rotating shaft 42 passing its underpart is provided with in described housing 41, described rotating shaft 42 is provided with the magnetic patch 43 that can slide up and down, described magnetic patch 43 top is provided with protuberance 431, described housing 41 being also provided with shown in three hole hub cap 44(Fig. 4 for inserting three core keys is a wherein core bore 46 in three holes), described three hole hub cap 44 bottoms are provided with the recess 441 that to match with the protuberance 431 of described magnetic patch 43, the perimembranous that described three hole hub caps 44 are positioned at described recess 441 is provided with ring electromagnet 45, power module, short message transceiving module and for driving the drive circuit of described ring electromagnet 45 that described three core keys comprise MCU and are connected with this MCU, wherein, wherein two cores of three core keys, as conductor, connect described drive circuit and ring electromagnet, described power module adopts lithium battery power supply, described enclosing cover 2 is also provided with electronic tag 24.
As shown in Fig. 3-5 and Fig. 7, described latching device also comprises and to be connected with the rotating shaft 42 of described rotary locking cylinder 4 and to be positioned at shown in the rotating disk 5(Fig. 4 below described inner cap 3, rotating disk 5 is connected by screw 51 with rotating shaft 42), described rotating disk 5 perimembranous interval is hinged with at least two connecting rods 6, described connecting rod 6 other end is hinged with the horizontal type telescopic slide bar 7 passing inner cap 3 lower flange 32, and described well lid seat ring 1 inside wall bottom correspondence is provided with the slotted eye 18 matched with 7, horizontal type telescopic slide bar end.
As shown in Figure 1, described enclosing cover 2 perimembranous is provided with the horizontal connecting axle 21 be hinged with well lid seat ring 1, and described horizontal connecting axle 21 is installed in the corresponding pin shaft hole 11 of well lid seat ring 1 inner sidewall upper portion; The inside wall of described well lid seat ring 1 is circumferentially laid with at least two L-type grooves 12, and described inner cap 3 perimembranous correspondence is provided with the projection 31 of locating that to match with L-type groove 12, has the sagging recess allowing projection 31 sink bottom described L-type groove 12.On the downside of described enclosing cover 2, perimembranous interval is laid with three horizontal C type spring arms 22, the medial extremity of described horizontal C type spring arm 22 is fixedly connected with enclosing cover 2, its outboard end is arranged wedge shaped projection 221, on the inside wall of described well lid seat ring 1, correspondence is provided with the recess 13 coordinating with wedge shaped projection 221 and locate; The inner sidewall upper portion of described well lid seat ring 1 is provided with the terrace 14 for supporting enclosing cover 2 lower surface, and being provided with cross section in described terrace 14 is swallow-tailed rubber groove 141, is provided with the trapezoidal rubber pad 17 of the withstand voltage corrosion resistant of noise control in described rubber groove 141.
As shown in Figure 2, the upper flange 10 of described well lid seat ring 1 is laid with at least two for lifting by crane the lifting hole(eyelet) 15 of well lid, described enclosing cover 2 is also provided with covered hole 23 away from the side of horizontal connecting axle 21, and described upper flange 10 is also provided with sled mouth 16 near the side of covered hole 23.
As shown in Figure 9, present invention also offers a kind of alarm method adopting well lid messaging switch warning system as above, comprise the steps,
Step S1: the well lid ID that collection is installed on well lid electronic tag everywhere numbers, thus determines each well lid positional information, and is uploaded to well lid monitoring server, the map software on well lid monitoring server is formed well lid distribution map;
Step S2: when well lid need carry out uncapping safeguard time, administrative staff are according to needing manhole cover support distributing position, and notice relevant work personnel carry out well lid and uncap;
Step S3: staff has notice, opens well lid enclosing cover, and in three hole hub caps of the rotary locking cylinder covered in being inserted by three core keys, meanwhile, staff is sent to well lid monitoring server by the well lid ID numbering of mobile scanning terminal electronic tag;
Step S4: well lid monitoring server is numbered according to well lid ID, judge whether this inner cap is well lid of need uncapping, if confirm errorless, then well lid monitoring server sends note to described short message transceiving module, and be sent to MCU, control drive circuit and drive ring electromagnet, thus open inner cap, perform step S5; If confirm wrong, then do not drive ring electromagnet;
Step S5: inner cap is opened successfully, three cores MCU on the key controls short message transceiving module, sends information to well lid monitoring server, confirms that well lid inner cap is normally opened, and completes well lid inner cap and to uncap process;
Step S6: if cover abnormal start-up in well lid, then MCU is by short message transceiving module, sends alarming short message to well lid monitoring server, performs step S7;
Step S7: administrative staff are according to warning message, and notice relevant work personnel inspection well lid, by the reason of abnormal start-up, after staff has confirmed, confirms abnormal start-up reason by mobile terminal.
Be more than preferred embodiment of the present invention, all changes done according to technical solution of the present invention, when the function produced does not exceed the scope of technical solution of the present invention, all belong to protection scope of the present invention.
Claims (7)
1. a well lid messaging switch warning system, comprise well lid seat ring, it is characterized in that: described well lid seat top is provided with the enclosing cover for closed well lid seat ring, be provided with inner cap in described well lid seat ring, cover in described to be provided with and match to be locked in the latching device in well lid seat ring with described well lid seat ring; Described latching device comprises the rotary locking cylinder passed in the middle part of inner cap from top to bottom; Described rotary locking cylinder comprises with externally threaded housing, the rotating shaft passing its underpart is provided with in described housing, described rotating shaft is provided with the magnetic patch that can slide up and down, described magnetic patch top is provided with protuberance, described housing is also provided with the three hole hub caps for inserting three core keys, described three hub cap bottoms, hole are provided with the recess that to match with the protuberance of described magnetic patch, and the perimembranous that described three hole hub caps are positioned at described recess is provided with ring electromagnet; Power module, short message transceiving module and for driving the drive circuit of described ring electromagnet that described three core keys comprise MCU and are connected with this MCU.
2. well lid messaging switch warning device according to claim 1, is characterized in that: described power module adopts lithium battery power supply; Described outer covering also is provided with electronic tag.
3. well lid messaging switch warning device according to claim 1, it is characterized in that: described latching device also comprises and to be connected with the rotating shaft of described rotary locking cylinder and to be positioned at the rotating disk below described inner cap, described rotating disk perimembranous interval is hinged with at least two connecting rods, the described connecting rod other end is hinged with the horizontal type telescopic slide bar passing inner cap lower flange, and described well lid seat ring inside wall bottom correspondence is provided with the slotted eye with horizontal type telescopic slide bar matching ends.
4. well lid messaging switch warning device according to claim 1, is characterized in that: described enclosing cover perimembranous is provided with the horizontal connecting axle be hinged with well lid seat ring, and described horizontal connecting axle is installed in the corresponding pin shaft hole of well lid seat ring inner sidewall upper portion; The inside wall of described well lid seat ring is circumferentially laid with at least two L-type grooves, and described inner cap perimembranous correspondence is provided with the projection of locating with L-type fit depressions, and described L-type bottom portion of groove has the sagging recess allowing projection sink.
5. well lid messaging switch warning device according to claim 1, it is characterized in that: on the downside of described enclosing cover, perimembranous interval is laid with three horizontal C type spring arms, the medial extremity of described horizontal C type spring arm is fixedly connected with enclosing cover, its outboard end arranges wedge shaped projection, and on the inside wall of described well lid seat ring, correspondence is provided with the recess coordinating with wedge shaped projection and locate; The inner sidewall upper portion of described well lid seat ring is provided with the terrace for supporting enclosing cover lower surface, and being provided with cross section in described terrace is swallow-tailed rubber groove.
6. well lid messaging switch warning device according to claim 1, it is characterized in that: the upper flange of described well lid seat ring is laid with at least two for lifting by crane the lifting hole(eyelet) of well lid, the described outer side covered away from horizontal connecting axle is also provided with covered hole, and described upper flange is also provided with sled mouth near the side of covered hole.
7. adopt an alarm method for well lid messaging switch warning system as claimed in claim 2, it is characterized in that: comprise the steps,
Step S1: the well lid ID that collection is installed on well lid electronic tag everywhere numbers, thus determines each well lid positional information, and is uploaded to well lid monitoring server, the map software on well lid monitoring server is formed well lid distribution map;
Step S2: when well lid need carry out uncapping safeguard time, administrative staff are according to needing manhole cover support distributing position, and notice relevant work personnel carry out well lid and uncap;
Step S3: staff has notice, opens well lid enclosing cover, and in three hole hub caps of the rotary locking cylinder covered in being inserted by three core keys, meanwhile, staff is sent to well lid monitoring server by the well lid ID numbering of mobile scanning terminal electronic tag;
Step S4: well lid monitoring server is numbered according to well lid ID, judge whether this inner cap is well lid of need uncapping, if confirm errorless, then well lid monitoring server sends note to described short message transceiving module, and be sent to MCU, control drive circuit and drive ring electromagnet, thus open inner cap, perform step S5; If confirm wrong, then do not drive ring electromagnet;
Step S5: inner cap is opened successfully, three cores MCU on the key controls short message transceiving module, sends information to well lid monitoring server, confirms that well lid inner cap is normally opened, and completes well lid inner cap and to uncap process;
Step S6: if cover abnormal start-up in well lid, then MCU is by short message transceiving module, sends alarming short message to well lid monitoring server, performs step S7;
Step S7: administrative staff are according to warning message, and notice relevant work personnel inspection well lid, by the reason of abnormal start-up, after staff has confirmed, confirms abnormal start-up reason by mobile terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410710244.9A CN104480968B (en) | 2014-12-01 | 2014-12-01 | Well lid messaging switch warning system and alarm method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410710244.9A CN104480968B (en) | 2014-12-01 | 2014-12-01 | Well lid messaging switch warning system and alarm method |
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| Publication Number | Publication Date |
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| CN104480968A true CN104480968A (en) | 2015-04-01 |
| CN104480968B CN104480968B (en) | 2016-02-24 |
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| CN201410710244.9A Expired - Fee Related CN104480968B (en) | 2014-12-01 | 2014-12-01 | Well lid messaging switch warning system and alarm method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105839673A (en) * | 2016-03-29 | 2016-08-10 | 成都易信达科技股份有限公司 | Monitorable intelligent manhole cover system |
| CN107454156A (en) * | 2017-07-25 | 2017-12-08 | 厦门微思泰科信息技术有限公司 | A kind of lock control adaptive terminal and assets tracking platform based on technology of Internet of things |
| CN108590362A (en) * | 2018-05-23 | 2018-09-28 | 国网江苏省电力有限公司常州供电分公司 | Cable well lid smart lock key and smart lock |
| CN109493471A (en) * | 2018-10-20 | 2019-03-19 | 浙江魔豆科技有限公司 | Intelligent well cover control method based on interior pattern manhole cover lock and interior well lid lock controller |
| CN109979040A (en) * | 2017-12-28 | 2019-07-05 | 北京元正数据科技有限公司 | The open method and device of intelligent well cover |
| CN110706464A (en) * | 2019-10-18 | 2020-01-17 | 国网四川省电力公司南充供电公司 | Distributed networking well lid external-damage-prevention early warning system and method |
| CN112343436A (en) * | 2020-11-04 | 2021-02-09 | 北京安洁康生物科技有限公司 | Linkage lock of anti-terrorist anti-poison safety water tank cover and unlocking and locking method |
| CN113073957A (en) * | 2021-04-06 | 2021-07-06 | 中国地质科学院水文地质环境地质研究所 | Geothermal well wellhead device with data transmission function |
| CN114029174A (en) * | 2021-10-19 | 2022-02-11 | 蒙仲文 | Clinical laboratory's blood coagulation equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105839673A (en) * | 2016-03-29 | 2016-08-10 | 成都易信达科技股份有限公司 | Monitorable intelligent manhole cover system |
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| CN108590362A (en) * | 2018-05-23 | 2018-09-28 | 国网江苏省电力有限公司常州供电分公司 | Cable well lid smart lock key and smart lock |
| CN108590362B (en) * | 2018-05-23 | 2023-08-11 | 国网江苏省电力有限公司常州供电分公司 | Cable well lid intelligent lock key and intelligent lock |
| CN109493471A (en) * | 2018-10-20 | 2019-03-19 | 浙江魔豆科技有限公司 | Intelligent well cover control method based on interior pattern manhole cover lock and interior well lid lock controller |
| CN110706464A (en) * | 2019-10-18 | 2020-01-17 | 国网四川省电力公司南充供电公司 | Distributed networking well lid external-damage-prevention early warning system and method |
| CN112343436A (en) * | 2020-11-04 | 2021-02-09 | 北京安洁康生物科技有限公司 | Linkage lock of anti-terrorist anti-poison safety water tank cover and unlocking and locking method |
| CN113073957A (en) * | 2021-04-06 | 2021-07-06 | 中国地质科学院水文地质环境地质研究所 | Geothermal well wellhead device with data transmission function |
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