CN108086362A - A kind of intelligent anti-theft well lid - Google Patents
A kind of intelligent anti-theft well lid Download PDFInfo
- Publication number
- CN108086362A CN108086362A CN201810088293.1A CN201810088293A CN108086362A CN 108086362 A CN108086362 A CN 108086362A CN 201810088293 A CN201810088293 A CN 201810088293A CN 108086362 A CN108086362 A CN 108086362A
- Authority
- CN
- China
- Prior art keywords
- well lid
- main body
- module
- lid main
- stainless steel
- 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.)
- Withdrawn
Links
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 31
- 239000010935 stainless steel Substances 0.000 claims abstract description 31
- 239000000758 substrate Substances 0.000 claims abstract description 31
- 230000001681 protective effect Effects 0.000 claims abstract description 12
- 239000005341 toughened glass Substances 0.000 claims abstract description 6
- 238000005259 measurement Methods 0.000 claims abstract 2
- 230000005611 electricity Effects 0.000 claims description 5
- 241000251730 Chondrichthyes Species 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- 230000002159 abnormal effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- 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
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Business, Economics & Management (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Emergency Management (AREA)
- Signal Processing (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention discloses a kind of intelligent anti-theft well lids.It includes well lid main body, solar panels are embedded on the capping of well lid main body, well lid protective device is equipped on the capping top of well lid main body, well lid protective device is transparent toughened glass, anti-theft device is equipped in well lid main body, pressure sensor module, GPS module, data acquisition transport module, battery, the anti-theft device includes four telescopic stainless steel substrates, every stainless steel substrates are connected with an electromagnet, pressure sensor module is for four stainless steel substrates of measurement and the pressure value at well lid body contact, GPS module is used to measure well lid position, data acquisition transport module is used to gathering and transmitting pressure and GPS data information, electromagnet, pressure sensor module, GPS module, data acquisition transport module is connected with battery, battery is divided into alternating current and solar energy duplex feeding；By mains-supplied during normal battery operation.The configuration of the present invention is simple can effectively prevent the robber of well lid from losing.
Description
Technical field
The present invention relates to a kind of well lids, and in particular to a kind of intelligent anti-theft well lid.
Background technology
In China, for all kinds of city incity well lid numbers in terms of necessarily, the direct economic loss that each year well lid is stolen is huge, and
And it also can cause casualties；Due to stealer open well lid, underground utilities are stolen, caused by direct losses reach several
1000000000 yuan, and thereby result in power-off, the indirect economic loss of communication disruption be even more be difficult to estimate；Since well lid is tampered, cruelly
Power malice open move, the carelessness of staff, well lid displacement caused by flood or vehicle etc. etc. expose well head, cause to go
People, vehicle etc. fall or are absorbed in well, and security threat is formed to the Pedestrians and vehicles passed by one's way.
For this present situation, there are various anti-stealing manhole cover measures to be suggested at present, and some simple possibles are arranged
It applies and has begun to be applied to practice.But problems are still had for the management of well lid in the prior art, such as：Well lid
Theft-prevention structure is complicated, can not learn well lid either on or off in time, be stolen or cause displacement by fortuitous event, can not determine well lid
Specific location etc., be unfavorable for the maintenance of well lid.
The content of the invention
In view of the above defects of the prior art, the present invention provides a kind of new intelligent anti-theft well lid, knots
Structure is simple, can effectively prevent the robber of well lid from losing.
The present invention is achieved by the following technical solution：A kind of intelligent anti-theft well lid, including well lid main body, feature
It is：The well lid body interior is cavity, and the top of the well lid main body is with the capping integral with it, in the lid of well lid main body
Solar panels are embedded on face, well lid protective device is provided on the capping top of well lid main body, the well lid protective device is
Transparent tempered glass is provided with anti-theft device, pressure sensor module, GPS module, data acquisition in the well lid main body
Transport module, energy supply control module, battery, the anti-theft device can be along the shark fin-shapeds of well lid main body radial expansion including four
Stainless steel substrates, every stainless steel substrates are connected with an electromagnet, are correspondingly arranged on the side wall of the well lid main body described in confession
The movable gap that stainless steel substrates are stretched out and retracted, the pressure sensor module are separately positioned on four stainless steel substrates including four
It is described with being used to measure four stainless steel substrates and the pressure sensor of the pressure value at well lid body contact at well lid body contact
For measuring well lid position, the data acquisition transport module is used to gathering and transmitting pressure and GPS data information GPS module,
The electromagnet, pressure sensor module, GPS module, data acquisition transport module are connected with battery, and the battery is divided into two
Road powers, and therein to be electrically connected all the way by Switching Power Supply with city, another way is connected by relay with the solar panels；
By mains-supplied during the normal battery operation.
In the present invention, well lid protective device uses transparent tempered glass, can protect solar panels, and light-permeable ensures
Solar panels work normally；After electromagnet in anti-theft device is powered, iron core is released and drives anti-theft device connected to it
It is released to the outside of well lid main body, four stainless steel substrates of anti-theft device are stretched out from the side wall of well lid main body, four stainless steel substrates
It can be inserted into gap being reserved around well lid, coincideing with stainless steel substrates thickness, so as to ensure that well lid cannot be moved easily, when
When electromagnet powers off, under the action of the resetting spring carried in electromagnet, iron core is reset and drives anti-theft device retraction well lid
In main body, well lid can be moved at this time；Pressure sensor module is used to measure at four stainless steel substrates and well lid body contact
Pressure value, by the detection to pressure, can detect whether well lid state abnormal；GPS module is used to measure the position of well lid
It puts, can detect whether well lid position is abnormal, if well lid is stolen, GPS module can measure well lid position, convenient for finding well
Lid；Data acquisition transport module is used to gathering and transmitting pressure and GPS data information；Battery in the present invention is divided into two-way confession
Electricity, all the way using mains-supplied, another way is using solar powered, by mains-supplied during normal battery operation, when alternating current occurs
Abend power supply when, can ensure other equipment normal operation by solar powered.
Further, be additionally provided with energy supply control module in well lid main body, energy supply control module be connected to battery with it is described
Between electromagnet, pressure sensor module, GPS module, data acquisition transport module.It can be to electromagnetism by energy supply control module
The power supply of iron, pressure sensor module, GPS module, data acquisition transport module is controlled, and is convenient for the operations such as maintenance.
Further, it is connected equipped with warning device with mains-supplied circuit.When alternating current, which is abnormal, stops power supply, can lead to
Warning device is crossed to be prompted.
The beneficial effects of the invention are as follows：The configuration of the present invention is simple by setting anti-theft device, utilizes four of anti-theft device
Telescopic stainless steel substrates can be inserted into the corresponding gap around well lid, and well lid cannot be moved easily, can effectively prevent
Well lid is stolen；By pressure sensor module, it can detect that whether well lid state is abnormal, it can be with relevant warning device
Connection sends alarm, and GPS module is used to measure the position of well lid, can detect whether well lid position is abnormal, if well lid is stolen
It walks, GPS module can measure well lid position, convenient for finding well lid.The present invention by with corresponding control system connection, it can be achieved that
Well lid is monitored in real time, can find the abnormal conditions of well lid in time, if being stolen or being subjected to displacement, then can be sent out in time
It is existing, economic loss, pedestrian is effectively avoided to come to harm.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the schematic internal view of the present invention；
Fig. 3 is the structure diagram of the anti-theft device in the present invention；
Fig. 4 is the circuit diagram of the present invention；
In figure, 1, well lid main body, 101, the capping of well lid main body, 2, anti-theft device, 201, stainless steel substrates, 3, pressure sensing
Device module, 4, GPS module, 5, data acquisition transport module, 6, energy supply control module, 7, battery, 8, well lid protective device, 9, electricity
Magnet, 10, solar panels, 11, resetting spring.
Specific embodiment
Below by non-limiting embodiment and with reference to attached drawing, the present invention is further illustrated：
As shown in drawings, a kind of intelligent anti-theft well lid, including well lid main body 1,1 inside of well lid main body is cylindrical empty
Chamber, the top of the well lid main body 1 are embedded with the sun with the capping 101 integral with it on the capping 101 of well lid main body 1
Energy plate 10, well lid protective device 8 is provided on 101 top of capping of well lid main body 1, and the well lid protective device 8 is transparent
Tempered glass, well lid protective device 8 can cover capping 101 inside it.Anti-theft device 2, pressure are provided in well lid main body 1
Sensor assembly 3, GPS module 4, data acquisition transport module 5, energy supply control module 6, battery 7.The anti-theft device 2 includes
Four can along the stainless steel substrates 201 of the shark fin-shaped of 1 radial expansion of well lid main body, every stainless steel substrates 201 with an electromagnet 9
Connection, four electromagnet 9 are fixedly mounted in well lid main body 1, and the electromagnet 9 uses electromagnet for controlling switch, are existing skill
Art is provided with resetting spring 11 on electromagnet 9, its iron core can be released the type electromagnet after powered up, can reset bullet after power-off
It is resetted under the action of spring, stainless steel substrates are connected on the iron core of electromagnet, can be released or be retracted with iron core.In well lid main body 1
The movable gap stretched out and retracted for the stainless steel substrates 201 is correspondingly arranged on side wall.In four stainless steel substrates 201 and well lid
The contact position (i.e. in figure A, B, C, D everywhere) of main body 1 sets pressure sensor respectively, the pressure sensor module 3 with it is described
Pressure sensor connects, for measuring four stainless steel substrates 201 and the pressure value of 1 contact position of well lid main body.The GPS module 4
For measuring well lid position.The data acquisition transport module 5 is used to gathering and transmitting pressure and GPS data information.The electricity
Magnet 9, pressure sensor module 3, GPS module 4, data acquisition transport module 5 are connected with battery 7, and energy supply control module 6 connects
It is connected between battery 7 and electromagnet 9, pressure sensor module 3, GPS module 4, data acquisition transport module 5, the battery 7 divides
Therein to be electrically connected all the way by Switching Power Supply with city for duplex feeding, another way passes through relay and the solar panels
10 connections, by solar powered.By mains-supplied when battery 7 works normally.
In the present invention, well lid protective device 8 uses transparent tempered glass, and one side can protect solar panel
12, another aspect light-permeable ensures that solar panels 10 work normally, and solar panels 10, which convert solar energy into electrical energy, is stored in electricity
In pond 7；
Four stainless steel substrates 201 in anti-theft device 2 can pass through well lid along 1 radial expansion of well lid main body when stretching out
Well lid main body is stretched out in gap on 1 side wall of main body.During installation, appropriate and stainless steel substrates thickness is reserved with around well lid and is kissed
The gap of conjunction, so that stainless steel substrates are inserted into.When the stainless steel substrates of anti-theft device stretch out, it can be inserted into around well lid and reserve
Gap, can prevent that well lid from being moved.Four extending and retracting for stainless steel substrates 201 are realized by the effect of electromagnet 9
's：After electromagnet 9 is powered, iron core is released, while anti-theft device connected to it is driven to prevent to release on the outside of well lid main body
The side wall for stealing four stainless steel substrates 201 from well lid main bodys of device is stretched out and is inserted into the gap reserved around well lid, works as electromagnetism
When iron 9 powers off, under the action of resetting spring 11, iron core is driven in 2 retraction well lid main body 1 of anti-theft device, and well lid can be at this time
Row movement；
Pressure sensor module 3 measures the pressure of tetra- points of A, B, C, D by pressure sensor, passes through the inspection to pressure
It surveys, can detect whether well lid state is abnormal.In practical application, such as a pressure range value can be set, if one of them
The pressure of point is less than pressure range value 5 seconds or more, then alarm well lid pressure anomaly, to grasp the state of well lid in time；
GPS module 4 is used to measure the position of well lid, can detect whether well lid position is abnormal, if well lid is stolen,
GPS module can measure well lid position, convenient for finding well lid.In practical application, such as position section, position area can be set
Between may be configured as 1.5 times of circular interval of well lid diameter, if external system of the well lid position in position section will alarm
Well lid malposition, if well lid is stolen, GPS module can measure well lid position；
Data acquisition transport module 5 is used to gathering and transmitting pressure and GPS data information；
Battery 7 uses duplex feeding, and therein powered by main all the way, another way passes through solar powered.Normal work
Battery 7 is by mains-supplied when making, to open well lid, it is necessary to be initially switched off power supply, after dump, anti-theft device 2 is shunk automatically
Into in well lid main body 1, well lid then could be opened.Power supply can be controlled by energy supply control module 6, in order to overhaul
Deng.
To ensure to find that mains-supplied is abnormal in time, warning device can be set and be connected with mains-supplied circuit.
Pressure sensor module, GPS module, data acquisition transport module, energy supply control module, battery in the present invention,
Warning device etc. is the prior art.The technology that solar energy in the present invention is converted into electric energy storage is also the prior art.
Other parts in the present embodiment are the prior art, and details are not described herein.
Claims (3)
1. a kind of intelligent anti-theft well lid, including well lid main body (1), it is characterized in that：It is cavity inside the well lid main body (1), institute
The top of well lid main body (1) is stated with the capping integral with it, solar panels are embedded on the capping of well lid main body (1)
(10), well lid protective device (8) is provided on the capping top of well lid main body (1), the well lid protective device (8) is transparent
Tempered glass is provided with anti-theft device (2), pressure sensor module (3), GPS module (4), number in the well lid main body (1)
According to acquisition transport module (5), battery (7), the anti-theft device (2) can be along the shark of well lid main body (1) radial expansion including four
The stainless steel substrates of fin shape, every stainless steel substrates are connected with an electromagnet (9), corresponding on the side wall of the well lid main body (1)
The movable gap stretched out and retracted for the stainless steel substrates is provided with, the pressure sensor module (3) sets respectively including four
It puts in four stainless steel substrates and well lid main body (1) contact position for four stainless steel substrates of measurement and well lid main body (1) contact position
The pressure sensor of pressure value, for measuring well lid position, the data acquisition transport module is used to adopt the GPS module (4)
Collection and transmission pressure and GPS data information, the electromagnet (9), pressure sensor module (3), GPS module (4), data acquisition
Transport module (5) is connected with battery (7), and the battery (7) is divided into duplex feeding, therein to pass through Switching Power Supply and city all the way
Electrical connection, another way are connected by relay with the solar panels (10)；It is supplied during battery (7) normal work by alternating current
Electricity.
2. intelligent anti-theft well lid according to claim 1, it is characterized in that：Power supply control is additionally provided in well lid main body (1)
Module (6), energy supply control module (6) are connected to battery (7) and the electromagnet (9), pressure sensor module (3), GPS module
(4), between data acquisition transport module (5).
3. intelligent anti-theft well lid according to claim 1, it is characterized in that：Connect equipped with warning device and mains-supplied circuit
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810088293.1A CN108086362A (en) | 2018-01-30 | 2018-01-30 | A kind of intelligent anti-theft well lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810088293.1A CN108086362A (en) | 2018-01-30 | 2018-01-30 | A kind of intelligent anti-theft well lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108086362A true CN108086362A (en) | 2018-05-29 |
Family
ID=62183419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810088293.1A Withdrawn CN108086362A (en) | 2018-01-30 | 2018-01-30 | A kind of intelligent anti-theft well lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108086362A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114572576A (en) * | 2020-12-02 | 2022-06-03 | 中国石油化工股份有限公司 | Scalable manhole locker and scalable intelligent manhole locker |
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|---|---|---|---|---|
| CN1804240A (en) * | 2006-01-24 | 2006-07-19 | 鲍贵芳 | Anti-theft method for well cover and anti-theft well cover therewith |
| CN200955298Y (en) * | 2006-09-06 | 2007-10-03 | 上海凯迪瓯宝五金有限公司 | Motor lock key and handle deadly-locking mechanism |
| CN102140804A (en) * | 2010-12-17 | 2011-08-03 | 李晨天 | Outdoor well cover with intelligent anti-theft and anti-damage alarm function as well as alarm management system |
| CN103353748A (en) * | 2013-07-15 | 2013-10-16 | 卓有惟 | Building intelligent control system and control method |
| CN105113548A (en) * | 2015-09-17 | 2015-12-02 | 成都易信达科技股份有限公司 | Fingerprint anti-theft well lid |
| CN204926356U (en) * | 2015-08-11 | 2015-12-30 | 深圳市浩宇奇科技有限公司 | A location and alarm device and system for municipal sewage system well lid |
| CN205911161U (en) * | 2016-06-26 | 2017-01-25 | 苏州市吴中区欣鑫开关配件厂 | High voltage circuit breaker electro -magnet assembly |
| CN206245903U (en) * | 2016-11-24 | 2017-06-13 | 浙江绿城联合设计有限公司 | A kind of intelligent anti-theft lock and antitheft door |
| CN208650104U (en) * | 2018-01-30 | 2019-03-26 | 张朔 | A kind of intelligent anti-theft well lid |
-
2018
- 2018-01-30 CN CN201810088293.1A patent/CN108086362A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1804240A (en) * | 2006-01-24 | 2006-07-19 | 鲍贵芳 | Anti-theft method for well cover and anti-theft well cover therewith |
| CN200955298Y (en) * | 2006-09-06 | 2007-10-03 | 上海凯迪瓯宝五金有限公司 | Motor lock key and handle deadly-locking mechanism |
| CN102140804A (en) * | 2010-12-17 | 2011-08-03 | 李晨天 | Outdoor well cover with intelligent anti-theft and anti-damage alarm function as well as alarm management system |
| CN103353748A (en) * | 2013-07-15 | 2013-10-16 | 卓有惟 | Building intelligent control system and control method |
| CN204926356U (en) * | 2015-08-11 | 2015-12-30 | 深圳市浩宇奇科技有限公司 | A location and alarm device and system for municipal sewage system well lid |
| CN105113548A (en) * | 2015-09-17 | 2015-12-02 | 成都易信达科技股份有限公司 | Fingerprint anti-theft well lid |
| CN205911161U (en) * | 2016-06-26 | 2017-01-25 | 苏州市吴中区欣鑫开关配件厂 | High voltage circuit breaker electro -magnet assembly |
| CN206245903U (en) * | 2016-11-24 | 2017-06-13 | 浙江绿城联合设计有限公司 | A kind of intelligent anti-theft lock and antitheft door |
| CN208650104U (en) * | 2018-01-30 | 2019-03-26 | 张朔 | A kind of intelligent anti-theft well lid |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114572576A (en) * | 2020-12-02 | 2022-06-03 | 中国石油化工股份有限公司 | Scalable manhole locker and scalable intelligent manhole locker |
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Application publication date: 20180529 |
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