CN111691463A - Well lid intelligent module used in cooperation with mobile phone - Google Patents

Well lid intelligent module used in cooperation with mobile phone Download PDF

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Publication number
CN111691463A
CN111691463A CN202010574655.5A CN202010574655A CN111691463A CN 111691463 A CN111691463 A CN 111691463A CN 202010574655 A CN202010574655 A CN 202010574655A CN 111691463 A CN111691463 A CN 111691463A
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CN
China
Prior art keywords
well lid
module
intelligent
sensor
mobile phone
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Pending
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CN202010574655.5A
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Chinese (zh)
Inventor
葛达旺
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Guangdong Shouchuangzhe Zhiwang Technology Co ltd
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Guangdong Shouchuangzhe Zhiwang Technology Co ltd
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Priority to CN202010574655.5A priority Critical patent/CN111691463A/en
Publication of CN111691463A publication Critical patent/CN111691463A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/12Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14Covers for manholes or the like; Frames for covers
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/12Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14Covers for manholes or the like; Frames for covers
    • E02D29/1481Security devices, e.g. indicating unauthorised opening
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00Miscellaneous
    • E02D2600/10Miscellaneous comprising sensor means

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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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The invention discloses a well lid intelligent module matched with a mobile phone for use, which comprises a plurality of unit intelligent well lid modules, the plurality of unit intelligent well lid modules are installed in a plurality of well lids in a one-to-one correspondence manner, all the unit intelligent well lid modules are connected with a server through a wireless network, the mobile phone is connected with the server through the wireless network, the unit intelligent well lid modules can obtain well lid information corresponding to well lids and send the well lid information to the server, and the mobile phone can obtain and display the well lid information of the well lids corresponding to any unit intelligent well lid module from the server. In the invention, a user can obtain the well lid information of all the well lids provided with the unit intelligent well lid modules through a mobile phone, so that the well lids can be monitored anytime and anywhere, problems of the well lids or the well lids can be treated in time, and the instantaneity and the reliability are high.

Description

Well lid intelligent module used in cooperation with mobile phone
Technical Field
The invention relates to the field of well lid monitoring, in particular to a well lid intelligent module matched with a mobile phone for use.
Background
At present, in the monitoring of urban underground pipe networks, underground pipelines have the problems of difficulty in real-time monitoring, inaccurate positioning and the like, especially for sewer pipe networks, the problems that the existing artificial sampling detection is adopted, the effective real-time monitoring of the pipe networks of the whole city is difficult to realize, and when the conditions that harmful gas of the pipelines exceeds the standard and the pipelines are blocked to cause the reverse water seepage at the water outlet and the like occur, the timely response and the timely monitoring are difficult to realize, which is a disadvantage existing in the prior art. Meanwhile, the phenomena of damage, displacement, theft and the like of the well lid often occur, the prior management depends on manual inspection, and the technical means of effective supervision is lacked, so that the vehicle is damaged and the accidents of personnel injury are frequently seen.
Therefore, monitoring of the manhole cover has been pressing, and in order to improve immediacy and reliability of monitoring of the manhole cover, it is urgently desired to obtain the manhole cover itself or information related to the manhole cover anytime and anywhere.
Disclosure of Invention
According to one aspect of the invention, the intelligent well lid module matched with the mobile phone comprises a plurality of intelligent well lid modules, the intelligent well lid modules are installed in a plurality of well lids in a one-to-one correspondence mode, all the intelligent well lid modules are connected with the server through a wireless network, the mobile phone is connected with the server through the wireless network, the intelligent well lid modules can obtain well lid information corresponding to the well lids and send the well lid information to the server, and the mobile phone can obtain the well lid information of the well lids corresponding to any intelligent well lid module from the server and display the well lid information.
The invention has the beneficial effects that: according to the invention, a user can obtain the well lid information of all the well lids provided with the unit intelligent well lid modules through a mobile phone, so that the well lids can be monitored anytime and anywhere, problems related to the well lids or the well lids can be processed timely, and the instantaneity and the reliability are strong.
In some embodiments, the unit intelligent well lid module comprises a control module, an ultrasonic sensor, a gas sensor, a temperature and humidity sensor, a tilt sensor, a positioning module and a communication module, wherein the ultrasonic sensor, the gas sensor, the temperature and humidity sensor, the tilt sensor, the positioning module and the communication module are all electrically connected with the control module.
In some embodiments, ultrasonic sensor is used for responding to the water level that corresponds the well lid below, gas sensor is used for responding to the gaseous kind that corresponds the well lid below, temperature and humidity sensor is used for responding to temperature and humidity that corresponds the well lid below, inclination sensor is used for responding to the inclination of corresponding well lid, orientation module is used for responding to the position of corresponding well lid, well lid information includes the water level of well lid below, the gaseous kind of well lid below, the temperature and humidity of well lid below, the inclination of well lid and the position of well lid.
In some embodiments, the unit intelligent well lid module comprises a PCB, and the control module, the ultrasonic sensor, the gas sensor, the temperature and humidity sensor, the tilt sensor, the positioning module and the communication module are all mounted on the PCB. Through setting up PCB, can make things convenient for control module, ultrasonic sensor, gas sensor, temperature and humidity sensor, inclination sensor, orientation module and communication module's installation and fixed to conveniently realize the electric connection between ultrasonic sensor, gas sensor, temperature and humidity sensor, inclination sensor, orientation module and the communication module and the control module.
In some embodiments, the PCB is provided with a gas sensor socket, and the gas sensor is inserted into the gas sensor socket. The gas sensor socket can facilitate the installation and fixation of the gas sensor on the PCB, and facilitates the realization of the electrical connection of the gas sensor and the control module.
In some embodiments, an ultrasonic sensor socket is provided on the PCB, and the ultrasonic sensor is inserted into the ultrasonic sensor socket. The ultrasonic sensor socket can be conveniently installed and fixed on the PCB, and the ultrasonic sensor is conveniently electrically connected with the control module.
In some embodiments, the communication module includes a GPRS module and a SIM card, the PCB is provided with a card slot, the card slot is electrically connected to the GPRS module, and the SIM card is installed on the card slot. The GPRS module and the SIM card can facilitate the unit intelligent well lid module to be connected into wireless networks such as 3G, 4G or 5G, and therefore wireless connection between the unit intelligent well lid module and the server is facilitated.
In some embodiments, the unit intelligent manhole cover module comprises a power source electrically connected to the control module.
In some embodiments, the unit smart well lid module includes a housing, the PCB is mounted within the housing, and the ultrasonic sensor and the gas sensor are exposed from the housing. The setting of shell can make things convenient for PCB's installation and fixed, and ultrasonic sensor and gas sensor expose from the shell and can avoid the shell to cause the interference to its work.
In some embodiments, the mobile phone can navigate to a manhole corresponding to any unit of intelligent manhole module. From this, can make things convenient for the user to arrive the well lid department that the unit intelligence well lid module that goes wrong corresponds fast.
Drawings
Fig. 1 is a schematic block diagram of a manhole cover intelligent module used with a mobile phone according to an embodiment of the present invention.
Fig. 2 is a schematic block diagram of a unit intelligent manhole cover module of the manhole cover intelligent module used with a mobile phone according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a unit intelligent well lid module of the well lid intelligent module used in cooperation with a mobile phone according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a PCB of a unit intelligent manhole cover module of the manhole cover intelligent module used in cooperation with a mobile phone according to an embodiment of the present invention.
Fig. 5 is a circuit diagram of a part of a unit manhole cover intelligent module according to an embodiment of the present invention.
Fig. 6 is a circuit diagram of a part of a unit manhole cover intelligent module according to an embodiment of the present invention.
Fig. 7 is a circuit diagram of a part of a unit manhole cover intelligent module according to an embodiment of the present invention.
Fig. 8 is a circuit diagram of a part of a unit manhole cover intelligent module according to an embodiment of the present invention.
Fig. 9 is a circuit diagram of a part of a unit manhole cover intelligent module according to an embodiment of the present invention.
Fig. 10 is a circuit diagram of a part of a unit manhole cover intelligent module according to an embodiment of the present invention.
Fig. 11 is a circuit diagram of a part of a unit manhole cover intelligent module according to an embodiment of the present invention.
Fig. 12 is a circuit diagram of a part of a unit manhole cover intelligent module according to an embodiment of the present invention.
Fig. 13 is a circuit diagram of a part of a unit manhole cover intelligent module according to an embodiment of the present invention.
Fig. 14 is a circuit diagram of a part of a unit manhole cover intelligent module according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 14, the manhole cover intelligent module used with the mobile phone of the present invention includes a unit intelligent manhole cover module 1, a mobile phone 2, and a server 3.
The unit intelligence well lid module 1 can be a plurality of, and every unit intelligence well lid module 1 all includes control module 10, ultrasonic sensor 11, gas sensor 12, temperature and humidity sensor 13, inclination sensor 14, orientation module 15, communication module 16, power 17 and PCB 20.
The control module 10 selects a commercially available ARM-CORTEX-M4 processor, the ARM-CORTEX-M4 processor is a latest embedded processor specially developed by ARM, the computing capability is enhanced on the basis of M3, floating points, DSPs, parallel computing and the like are added, and the system has a high-efficiency signal processing function and has the advantages of low power consumption, low cost and easiness in use. The control module 10 is solder-mounted on the PCB 20. And the PCB2 is provided with a debug socket 201, and the debug socket 201 is electrically connected with the control module 10, so that people can change the built-in parameters of the control module 10 through the debug socket 201 and debug the control module 10.
The ultrasonic sensor 11 may be a commercially available ultrasonic sensor, the PCB20 is provided with an ultrasonic sensor socket 22, the ultrasonic sensor 11 is inserted into the ultrasonic sensor socket 22, and the ultrasonic sensor socket 22 is electrically connected to the control module 10 through the PCB20, so that the ultrasonic sensor 11 is electrically connected to the control module 10. The sensible distance of the ultrasonic sensor 11 is between 0 and 7 m.
The gas sensor 12 may be a commercially available gas sensor, the PCB20 is provided with a gas sensor socket 21, the gas sensor 12 is inserted into the gas sensor socket 21, and the gas sensor socket 21 is electrically connected to the control module 10 through the PCB20, so that the gas sensor 12 is electrically connected to the control module 10.
The temperature and humidity sensor 13 can be a commercially available resistance temperature and humidity sensor, the temperature and humidity sensor 13 is mounted on the PCB20 by soldering, and the temperature and humidity sensor 13 is electrically connected with the control module 10 through the PCB 20. The sensible temperature of the temperature and humidity sensor 13 is between-40 ℃ and 130 ℃, and the sensible humidity is between 0% and 100%.
The tilt sensor 14 may be a commercially available tilt sensor, the tilt sensor 14 is also mounted on the PCB20 by soldering, and the tilt sensor 14 is electrically connected to the control module 10 through the PCB 20. The angle of sensitivity of the tilt sensor 14 is between 25 ° and 90 °.
The communication module 16 includes a GPRS module 161 and a SIM card 162, the GPRS module 161 selects A9/A9G chip, and the GPRS module 161 is mounted on the PCB20 by soldering, so that the GPRS module 161 is electrically connected to the control module 10 through the PCB 20. And the PCB20 is provided with a card slot 23, the card slot 23 is electrically connected with the GPRS module 161, and the SIM card 162 is fixedly arranged on the card slot 28, so that the electrical connection between the SIM card 162 and the GPRS module 161 is realized, therefore, the communication module 16 can be connected to a 2G, 3G or 4G network, and is stable online within 24 hours and is not limited by geographical positions.
The positioning module 15 may be a positioning device integrated in A9/A9G chip, that is, the positioning module 15 is also electrically connected to the control module 10 through the PCB20, and the positioning module 15 can provide the functions of base station positioning and GPS positioning.
The power supply 17 can comprise a commercially available lithium battery and an FP6717 boost converter, wherein the FP6717 is a high-efficiency low-ripple DC/DC PWM boost converter with fixed frequency of 550KHz, the wide input voltage is 2.5V-5.5V, and the maximum output voltage can be regulated to be 5.25V by externally regulating a voltage dividing resistor. The FP6717 is internally provided with a 42m omega ultra-low internal resistance rectifying PMOS tube and a 39m omega NMOS tube, so that a Schottky diode is not needed outside, and the boosting efficiency can be better improved. The power supply 17 is installed on the PCB20, and the power supply 17 is electrically connected with the control module 10 through the PCB20, so that the power supply 17 can supply power to the ultrasonic sensor 11, the gas sensor 12, the temperature and humidity sensor 13, the tilt sensor 14, the positioning module 15 and the communication module 16 through the control module 10.
The unit intelligent well lid module 1 further comprises a shell 18, the PCB20 is fixedly embedded in the shell 18, and the ultrasonic sensor 11 and the gas sensor 12 are exposed from the shell 18, so that the shell 18 is prevented from blocking the work of the ultrasonic sensor 11 and the gas sensor 12.
When unit intelligence well lid module 1 uses, can hold the chamber through the bottom setting in each well lid, with the chamber that holds of a plurality of unit intelligence well lid module 1 one-to-one fixed mounting in a plurality of well lid bottoms, thereby each unit intelligence well lid module 1 can obtain the well lid information that corresponds well lid department, well lid information includes the well lid water level information of the corresponding well lid below that is sensed by ultrasonic sensor 11, the gaseous kind information of the corresponding well lid below that gas sensor 12 sensed, temperature and humidity information of the below of the corresponding well lid that temperature and humidity sensor 13 sensed, the well lid inclination angle information of the corresponding well lid that inclination sensor 14 sensed, the well lid position information of the corresponding well lid that orientation module 15 obtained, and ultrasonic sensor 11 in each unit intelligence well lid module 1, gas sensor 12, temperature and humidity sensor 13, the well lid information of the corresponding well lid that inclination sensor 14 and orientation module 15 obtained can transmit its self control In the module 10.
The communication modules 16 in all the unit intelligent well lid modules 1 can be connected with the server 3 through wireless networks such as 2G, 3G or 4G, so that the well lid information of the corresponding well lid obtained by the control module 10 in each unit intelligent well lid module 1 can be transmitted to the server 3 through the communication modules 16.
Cell-phone 2 can also be connected with the server through wireless networks such as 2G, 3G or 4G for cell-phone 2 can obtain the well lid information of the well lid that arbitrary unit intelligence well lid module 1 corresponds from server 3, and can show above-mentioned well lid information through this APP through installation APP in cell-phone 2.
Thereby people can obtain the well lid information of installing the well lid of unit intelligence well lid module 1 wantonly from server 3 through cell-phone 2 anytime and anywhere, like the water level of its well lid below, the gaseous kind of well lid below, the temperature and the humidity of well lid below or the inclination of well lid and the position of well lid etc to in time handle the problem that the well lid of installing unit intelligence well lid module 1 appears in people.
In order to facilitate the use of the mobile phone 2, the APP in the mobile phone 2 is further provided with 5 buttons, and the 5 buttons respectively correspond to a login interface, a map interface, a navigation interface, a control interface and an alarm interface.
The address of a server 3 which needs to be connected with the mobile phone 2 can be input in the login interface, and connection information is displayed after the mobile phone 2 and the server 3 are successfully connected; a map is displayed in the map interface, identification information of the well lid to be monitored, such as a well lid ID, a well lid identification code, a well lid name and the like, connected to the server 3 can be added in the map interface, and the added well lid is marked on the map specifically; in the navigation interface, people can display the route from people to the required well lid on a map by selecting the required well lid, and a voice prompt is attached to the route; the control interface can see the needed information of the well lid connected to the server 3, and the control interface is also provided with an on button, an off button and a stop button, and people can control the corresponding well lid through the buttons; the operation information and the specific time of the APP control well lid can be seen in the alarm interface.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.

Claims (10)

1. Well lid intelligent object that cooperation cell-phone used, its characterized in that, including unit intelligence well lid module (1), cell-phone (2) and server (3), unit intelligence well lid module (1) is a plurality of, a plurality of unit intelligence well lid module (1) one-to-one is installed in a plurality of well lids, all unit intelligence well lid module (1) all passes through wireless network connection with server (3), cell-phone (2) pass through wireless network connection with server (3), unit intelligence well lid module (1) can obtain the well lid information of corresponding well lid to send to in server (3), cell-phone (2) can follow server (3) and acquire the well lid information of the well lid that arbitrary unit intelligence well lid module (1) corresponds to show.
2. The intelligent well lid module used in cooperation with the mobile phone according to claim 1, wherein the unit intelligent well lid module (1) comprises a control module (10), an ultrasonic sensor (11), a gas sensor (12), a temperature and humidity sensor (13), an inclination sensor (14), a positioning module (15) and a communication module (16), and the ultrasonic sensor (11), the gas sensor (12), the temperature and humidity sensor (13), the inclination sensor (14), the positioning module (15) and the communication module (16) are all electrically connected with the control module (10).
3. The intelligent well lid module used in cooperation with the mobile phone according to claim 2, wherein the ultrasonic sensor (11) is used for sensing the water level below the corresponding well lid, the gas sensor (12) is used for sensing the gas type below the corresponding well lid, the temperature and humidity sensor (13) is used for sensing the temperature and humidity below the corresponding well lid, the inclination sensor (14) is used for sensing the inclination angle of the corresponding well lid, the positioning module (15) is used for sensing the position of the corresponding well lid, and the well lid information comprises the water level below the well lid, the gas type below the well lid, the temperature and humidity below the well lid, the inclination angle of the well lid and the position of the well lid.
4. The intelligent well lid module used in cooperation with the mobile phone according to claim 2, wherein the unit intelligent well lid module (1) comprises a PCB (20), and the control module (10), the ultrasonic sensor (11), the gas sensor (12), the temperature and humidity sensor (13), the inclination sensor (14), the positioning module (15) and the communication module (16) are all mounted on the PCB (20).
5. The intelligent well lid module used in cooperation with the mobile phone according to claim 4, wherein a gas sensor socket (21) is arranged on the PCB (20), and the gas sensor (12) is inserted into the gas sensor socket (21).
6. The intelligent manhole cover module used with the mobile phone according to claim 4, wherein the PCB (20) is provided with an ultrasonic sensor socket (22), and the ultrasonic sensor (11) is inserted into the ultrasonic sensor socket (22).
7. The well lid intelligent module matched with the mobile phone for use according to claim 4, wherein the communication module (16) comprises a GPRS module (161) and a SIM card (162), a card slot (23) is arranged on the PCB (20), the card slot (23) is electrically connected with the GPRS module (161), and the SIM card (162) is arranged on the card slot (28).
8. The intelligent well lid module used in cooperation with the mobile phone according to claim 2, wherein the unit intelligent well lid module (1) comprises a power supply (17), and the power supply (17) is electrically connected with the control module (10).
9. The intelligent manhole cover module for use with a mobile phone according to claim 2, wherein the unit intelligent manhole cover module (1) comprises a housing (18), the PCB (20) is mounted in the housing (18), and the ultrasonic sensor (11) and the gas sensor (12) are exposed from the housing (18).
10. The intelligent well lid module used in cooperation with the mobile phone according to claim 1, wherein the mobile phone (2) can navigate to a well lid corresponding to any unit of intelligent well lid module (1).
CN202010574655.5A 2020-06-22 2020-06-22 Well lid intelligent module used in cooperation with mobile phone Pending CN111691463A (en)

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CN202010574655.5A CN111691463A (en) 2020-06-22 2020-06-22 Well lid intelligent module used in cooperation with mobile phone

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Application Number Priority Date Filing Date Title
CN202010574655.5A CN111691463A (en) 2020-06-22 2020-06-22 Well lid intelligent module used in cooperation with mobile phone

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2804096C2 (en) * 2021-12-02 2023-09-26 Общество с ограниченной ответственностью "Весна-К" Universal manhole hatch

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CN102363964A (en) * 2011-11-11 2012-02-29 上海盈隽实业有限公司 Buried digital working well
GB2514079A (en) * 2013-01-20 2014-11-19 Adam Geoffrey Huggett Hugslock system phase 2
US9151431B2 (en) * 2012-07-30 2015-10-06 Lmk Technologies, Llc Manhole liner having a wireless data transmitter
CN204788463U (en) * 2015-05-22 2015-11-18 武汉新烽光电科技有限公司 Drainage pipeline networks is on -line monitoring device in pit
CN107761781A (en) * 2017-12-01 2018-03-06 秦皇岛市华勘智能科技有限公司 City piping lane well lid control system
CN107786640A (en) * 2017-09-30 2018-03-09 上海邦芯物联网科技有限公司 A kind of city intelligent manhole cover system and management method
JP6324673B2 (en) * 2013-06-28 2018-05-16 東京都下水道サービス株式会社 Manhole cover with antenna
CN109406717A (en) * 2017-08-17 2019-03-01 北京元正数据科技有限公司 Downhole parameters detection system
CN110347077A (en) * 2019-06-26 2019-10-18 南京汉朝软件有限公司 A kind of well lid intelligent monitor system
CN210507536U (en) * 2019-05-15 2020-05-12 国网安徽省电力有限公司淮南供电公司 Cable intelligence well lid

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102363964A (en) * 2011-11-11 2012-02-29 上海盈隽实业有限公司 Buried digital working well
US9151431B2 (en) * 2012-07-30 2015-10-06 Lmk Technologies, Llc Manhole liner having a wireless data transmitter
GB2514079A (en) * 2013-01-20 2014-11-19 Adam Geoffrey Huggett Hugslock system phase 2
JP6324673B2 (en) * 2013-06-28 2018-05-16 東京都下水道サービス株式会社 Manhole cover with antenna
CN204788463U (en) * 2015-05-22 2015-11-18 武汉新烽光电科技有限公司 Drainage pipeline networks is on -line monitoring device in pit
CN109406717A (en) * 2017-08-17 2019-03-01 北京元正数据科技有限公司 Downhole parameters detection system
CN107786640A (en) * 2017-09-30 2018-03-09 上海邦芯物联网科技有限公司 A kind of city intelligent manhole cover system and management method
CN107761781A (en) * 2017-12-01 2018-03-06 秦皇岛市华勘智能科技有限公司 City piping lane well lid control system
CN210507536U (en) * 2019-05-15 2020-05-12 国网安徽省电力有限公司淮南供电公司 Cable intelligence well lid
CN110347077A (en) * 2019-06-26 2019-10-18 南京汉朝软件有限公司 A kind of well lid intelligent monitor system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2804096C2 (en) * 2021-12-02 2023-09-26 Общество с ограниченной ответственностью "Весна-К" Universal manhole hatch

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Application publication date: 20200922

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