CN110739653A - Cable intelligence apron and cable cover management system - Google Patents

Cable intelligence apron and cable cover management system Download PDF

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Publication number
CN110739653A
CN110739653A CN201911068984.6A CN201911068984A CN110739653A CN 110739653 A CN110739653 A CN 110739653A CN 201911068984 A CN201911068984 A CN 201911068984A CN 110739653 A CN110739653 A CN 110739653A
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CN
China
Prior art keywords
cable
assembly
communication
cover
cover plate
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
Application number
CN201911068984.6A
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Chinese (zh)
Inventor
刘健欣
徐强超
王璐雪
杨永雄
张锐冬
朱展能
关哲
何涛
麦胜贤
黎伟杭
刘雍
张颖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Guangzhou Power Supply Bureau Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangzhou Power Supply Bureau Co Ltd filed Critical Guangzhou Power Supply Bureau Co Ltd
Priority to CN201911068984.6A priority Critical patent/CN110739653A/en
Publication of CN110739653A publication Critical patent/CN110739653A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G9/00Installations of electric cables or lines in or on the ground or water
    • H02G9/02Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
    • H02G9/025Coverings therefor, e.g. tile

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  • Emergency Alarm Devices (AREA)

Abstract

The invention relates to an intelligent cable cover plate and a cable cover plate management system, which comprises a cover plate body, a water immersion detection assembly, a temperature and humidity sensing assembly, a communication assembly and a control assembly, wherein an installation space is arranged in the cover plate body, the water immersion detection assembly is arranged on the outer side surface of the cover plate body, the temperature and humidity sensing assembly is arranged outside the cover plate body, the communication assembly and the control assembly are respectively arranged in the installation space, and the water immersion detection assembly, the temperature and humidity sensing assembly and the communication assembly are respectively and electrically connected with the control assembly. The fortune dimension personnel of being convenient for are in time safeguarding cable intelligence apron after discovering that above-mentioned condition appears unusually to avoid cable intelligence apron to be damaged by unusual environment, thereby avoid unusual environment to influence the cable in the cable duct, and then reduced the on-the-spot fortune dimension degree of difficulty, make fortune dimension personnel can get rid of the potential safety hazard more easily.

Description

Cable intelligence apron and cable cover management system
Technical Field
The invention relates to the technical field of cable ducts, in particular to an intelligent cable cover plate and a cable cover plate management system.
Background
during typhoon, the rainwater amount is abundant, the problem of cable direct current grounding caused by cable trench water accumulation is easy to occur, and the cable protection malfunction and rejection are serious even caused.
Disclosure of Invention
Based on this, it is necessary to provide a cable intelligent cover and a cable cover management system.
cable intelligence apron, including apron body, water logging determine module, temperature and humidity sensing subassembly, communication subassembly and control assembly, this internal installation space that has of apron, the water logging determine module set up in the outside surface of apron body, temperature and humidity sensing subassembly set up in the outside of apron body, communication subassembly and control assembly set up respectively in the installation space, the water logging determine module temperature and humidity sensing subassembly and communication subassembly respectively with the control assembly electricity is connected.
When the water immersion detecting component detects that water immersion occurs near the cover plate body, when the control component receives the electric signal of the water immersion detection component, the control component controls the communication component to inform operation and maintenance personnel, when the control component receives the temperature data and the humidity data of the temperature and humidity sensing component, the control component controls the communication component to send the data to the operation and maintenance personnel, thereby facilitating the operation and maintenance personnel to know the water immersion condition, the temperature condition and the humidity condition near the cover plate body, the intelligent cable cover plate can be maintained in time after the operation and maintenance personnel find that the above conditions are abnormal, the intelligent cable cover plate can be prevented from being in an abnormal environment for a long time, thereby avoiding the intelligent cover plate of the cable from being damaged by abnormal environment, avoiding the influence of the abnormal environment on the cable in the cable pipeline, and then reduced the on-the-spot fortune dimension degree of difficulty for fortune dimension personnel can get rid of the potential safety hazard more easily.
In embodiments, the water immersion detection device further comprises a screw joint, wherein a fixing lug is arranged on the water immersion detection assembly, a fixing hole is formed in the fixing lug, a second fixing hole is formed in the cover plate body, the screw joint penetrates through the fixing hole and the second fixing hole, the screw joint abuts against the fixing lug at the end close to the fixing lug, and the other end of the screw joint is in screw joint with the wall of the second fixing hole.
In embodiments, the device further comprises a battery assembly electrically connected with the control assembly.
In embodiments, the device further comprises a storage component electrically connected with the control component.
In embodiments, the alarm device further comprises an alarm component, and the alarm component is arranged on the cover plate body.
In of these embodiments, the alarm assembly includes a buzzer.
In embodiments, the alarm assembly comprises LED lamp beads.
In of these embodiments, the temperature and humidity sensing component includes a temperature sensor and a humidity sensor.
A cable cover management system, comprising a server and at least two cable intelligent covers as described in any of the embodiments above, wherein the communication component of each cable intelligent cover is wirelessly connected to the server.
In embodiments, the system further comprises a concentrator, the concentrator is in wireless electrical connection with the communication component, and the concentrator is used for collecting data information of the communication component and sending the data information to the server.
Drawings
FIG. 1 is a schematic structural diagram of a direction of cable intelligent cover boards of an embodiment;
fig. 2 is a connection block diagram of cable closure management systems according to an embodiment.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention, the term "and/or" as used herein includes any and all combinations of or more of the associated listed items.
In embodiments, cable intelligent cover boards include a cover board body, a water immersion detection assembly, a temperature and humidity sensing assembly, a communication assembly and a control assembly, wherein an installation space is provided in the cover board body, the water immersion detection assembly is disposed on an outer side surface of the cover board body, the temperature and humidity sensing assembly is disposed outside the cover board body, the communication assembly and the control assembly are disposed in the installation space, respectively, and the water immersion detection assembly, the temperature and humidity sensing assembly and the communication assembly are electrically connected to the control assembly, respectively.
As shown in fig. 1, in embodiments, cable smart covers 10 are provided, and include a cover body 100, a water immersion detecting assembly 200, a temperature and humidity sensing assembly 300, a communication assembly 400 and a control assembly 500, where the cover body 100 has an installation space 101 therein, the water immersion detecting assembly 200 and the temperature and humidity sensing assembly 300 are respectively disposed on an outer side surface of the cover body 100, the communication assembly 400 and the control assembly 500 are respectively disposed in the installation space 101, and the water immersion detecting assembly 200, the temperature and humidity sensing assembly 300 and the communication assembly 400 are respectively electrically connected to the control assembly 500.
In embodiments, the cover plate body is used for covering the cable duct, specifically, the cable duct is used for laying cables, that is, the cables are accommodated in the cable duct, so as to separate the cables from the external environment and avoid the cables from being damaged, and when the operation and maintenance personnel need to maintain the cables, the cable duct needs to be opened, so that a window for maintenance is opened on the cable duct like , and the cover plate body is used for movably covering the cable duct and movably closing the window, it should be understood that the size of the window is not limited, and the window can be used for only passing hands and tools, or can be used for enabling the operation and maintenance personnel to enter the interior of the cable duct.
In embodiments, the water immersion detection assembly is used for measuring the water immersion condition near the cable duct, specifically, the water immersion detection assembly is used for measuring the water immersion condition near the cover plate body, the water level is detected by using a liquid conduction principle, two probes are arranged on the water immersion detection assembly, the probes at two poles are insulated by air in normal times, the two probes are conducted in the water immersion state, so that a circuit in the water immersion detection assembly is conducted, when the circuit in the water immersion detection assembly is conducted, the water immersion detection assembly can send an electric signal outwards according to the conduction of the circuit, so as to remind the outside of water immersion, wherein in embodiments, the water immersion detection assembly can be realized by adopting an existing product or a traditional technology, such as a detection alarm recorded in patent No. ZL 02249809.5.
In embodiments wherein, the humiture sensing subassembly is used for measuring temperature and humidity near the cable duct, specifically, the water logging detection subassembly is used for measuring temperature and humidity near the apron body, and the humiture sensing subassembly both can be including temperature sensor and humidity transducer, also can be the sensor that can detect temperature and humidity simultaneously, when the humiture sensing subassembly is physically setting, then more be favorable to reducing the whole volume of humiture sensing subassembly, be favorable to avoiding the volume of cable intelligence apron too big.
In embodiments, the control module is used for receiving the electric signal of water logging detection module, and when receiving the electric signal of water logging detection module, the control module control communication module outwards sends alarm signal, just the control module is used for receiving humiture sensing module's data message, and outwards sends through communication module data message like this, can be through water logging condition and the humiture condition around the cable intelligence apron monitoring apron body to when the water logging appears and humiture is unusual, warn fortune dimension personnel through communication module, make fortune dimension personnel can in time maintain cable intelligence apron, thereby avoid cable intelligence apron to be damaged, improve the life of cable intelligence apron.
Referring to fig. 1, in the cable intelligent cover 10, when the water immersion detecting assembly 200 detects that water immersion occurs near the cover body 100, when the control assembly 500 receives an electric signal of the water immersion detecting assembly 200, the control assembly 500 controls the communication assembly 400 to notify an operation and maintenance person, and when the control assembly 500 receives temperature data and humidity data of the temperature and humidity sensing assembly 300, the control assembly 500 controls the communication assembly 400 to send the data to the operation and maintenance person, so that the operation and maintenance person can know the water immersion condition, the temperature condition and the humidity condition near the cover body 100, and after finding that the above conditions are abnormal, the operation and maintenance person can timely maintain the cable intelligent cover 10, thereby preventing the cable intelligent cover 10 from being damaged by the abnormal environment for a long time, and preventing the abnormal environment from affecting cables in a cable pipeline, and then reduced the on-the-spot fortune dimension degree of difficulty for fortune dimension personnel can get rid of the potential safety hazard more easily.
In embodiments, the cable intelligent cover plate further comprises a screw connector, wherein a fixing lug is arranged on the water immersion detection assembly, a fixing hole is formed in the fixing lug, a second fixing hole is formed in the cover plate body, the screw connector penetrates through the fixing hole and the second fixing hole, the screw connector is abutted to the end close to the fixing lug, the other end of the screw connector is in screw connection with the wall of the second fixing hole, and therefore the water immersion detection assembly can be mounted on the cover plate body through the screw connector so as to fix the water immersion detection assembly.
In embodiments, the water immersion detection assembly and the temperature and humidity sensing assembly are disposed on the same surface of the cover plate body, and the water immersion detection assembly and the temperature and humidity sensing assembly are disposed on the same surface of the cover plate body, so that the results detected by the water immersion detection assembly and the temperature and humidity sensing assembly are close to each other, and the two results are prevented from being large in or out
The intelligent cable cover plate comprises embodiments, a battery assembly, a water immersion detection assembly, a temperature and humidity sensing assembly and a communication assembly, wherein the battery assembly is electrically connected with the control assembly and can supply power to the control assembly through the battery assembly, so that the control assembly can work normally.
In embodiments wherein, cable intelligence apron still includes solar panel, solar panel is used for being connected with the battery pack electricity, thereby when weather is good, charge for the battery pack, especially in cable intelligence apron field, if will charge for open air cable cover plate, lay circuit equipment then very consume money, if change the battery according to the frequency, then very loaded down with trivial details, through setting up solar panel, then need not frequently change battery pack, when solar panel sets up when open air, can charge for the battery pack automatically, can reduce the maintenance number of times of cable intelligence apron, also need not lay the circuit for cable intelligence apron, reduce installation and maintenance cost.
The storage assembly is used for storing signals of testing of the water immersion detection assembly corresponding to every moments, and the storage assembly is also used for storing data of testing of the temperature and humidity sensing assembly corresponding to every moments, namely, the storage assembly has a recording function and has a data recording function for actual cable occurrence conditions, and data changes in the event of an accident can be recorded so as to facilitate accident analysis.
As shown in fig. 1, in embodiments, the cable smart cover 10 further includes an alarm component 600, wherein the alarm component 600 is disposed on the cover body 100. the alarm component 600 is configured to send an alarm signal, which may be an audio signal or a light signal, and the alarm signal enables surrounding people to notice that the environment around the cable smart cover 10 is in an abnormal state, so as to remind related people to grasp the cable smart cover for maintenance or remind unrelated people to evacuate.
In embodiments, the alarm assembly comprises a buzzer capable of sounding an alarm to alert surrounding personnel to arm by sound, in embodiments, the alarm assembly comprises a Light Emitting Diode (LED) lamp bead capable of sounding an optical alarm to alert surrounding personnel to arm by light, in embodiments, the LED lamp bead is used for sounding a flashing light which can be more easily identified by surrounding personnel to facilitate alerting surrounding personnel to arm, and in embodiments, the LED lamp bead is matched with the buzzer, that is, the alarm assembly comprises the LED lamp bead and the buzzer, so that the alarm assembly can simultaneously sound an optical signal and an audio signal to alert surrounding personnel to arm by two ways, so that surrounding personnel can better identify the environmental anomaly around the cable intelligent cover plate.
In embodiments, the humiture sensing subassembly includes temperature sensor and humidity transducer, and the temperature that can measure through temperature sensor reaches the apron body nearby, and the humidity that can measure through humidity transducer reaches the apron body nearby to realize the function of humiture sensing subassembly's measurement temperature and humidity.
In embodiments thereof, a baffle is arranged in the installation space to separate the installation space into an th cavity and a second cavity, a th cavity and the second cavity are separated, namely, the th cavity and the second cavity are not communicated, a control component is arranged in the th cavity, the communication component is arranged in the second cavity, the wall of the second cavity is provided with a communication port, the communication port enables the second cavity to be communicated with the outside, a semipermeable membrane is arranged in the communication port and seals the communication port, the semipermeable membrane can prevent water from flowing into the second cavity times, namely, splashing is avoided, meanwhile, the communication component can smoothly pass through the semipermeable membrane, the communication capacity of the communication component is prevented from being reduced, the communication capacity of the communication component is considered, the communication component can also play a role of protecting the communication component, the communication component can better operate, the semipermeable membrane is particularly matched with a detection component, the semipermeable membrane can be prevented from being splashed when raining is larger, the communication component can be prevented from being influenced by splashing, in embodiments, the communication component is led out, the communication component is arranged on the side face of the communication port, the communication component is arranged on a convex, the communication port is arranged on the communication component, the communication component is arranged on the side face of the communication port, the communication component is arranged on the communication port, the communication component is arranged on the communication component, the communication component is arranged on the side face of the semipermeable membrane is arranged on a convex, the communication port, the communication component, the communication port is arranged on the communication component, the communication component is arranged on a convex communication port, the communication component is arranged on a communication pipe, the communication port, the communication component is arranged on the communication component, the communication port, the communication component is arranged on the communication port, the communication component is arranged on a convex, the communication component, the communication port is arranged on the communication component, the.
As shown in FIG. 2, in embodiments, cable cover management systems are provided, which include a server 710 and at least two cable smart covers 10 according to embodiments, wherein the communication component 400 of each cable smart cover 10 is electrically connected to the server 710 in a wireless manner, so that the water immersion condition, the temperature condition and the humidity condition can be transmitted to the server 710 through the communication component 400, so that an operation and maintenance person can view the environmental conditions near each cable smart cover 10 through the server 710, and at the same time, the operation and maintenance person can monitor a plurality of cable smart covers 10, so that the management efficiency of the cable smart covers 10 is higher.
In another embodiment, the system further comprises a concentrator 720, wherein the concentrator 720 is wirelessly connected with the communication module 400, and the concentrator 720 is used for collecting data information of the communication module 400 and transmitting the data information to the server 710, wherein embodiments of the system comprise the concentrator 720, wherein the concentrator 720 is used for being arranged near each cable smart cover 10 so as to collect information transmitted by the communication module 400 of each cable smart cover 10, and the system transmits information to the server 710, so that the information is transmitted only through the concentrator 720 times, and the cable smart cover 10 is prevented from being transmitted to the server 710 alone, thereby avoiding the situation that the power consumption of the communication module 400 of the cable smart cover 10 is too large, namely, the concentrator 720 is matched with the cable smart cover 10, which enables the process of monitoring the cable smart cover 10 to be lower and convenient, and in embodiments, the concentrator 720 and the communication module 400 are connected with the communication module 400 through a lange (Long Range, short Range, Long Range, short Range.
It should be understood that, for convenience of description, in each embodiment, the data sent out by the communication component 400 includes the electrical signal of the water immersion detecting component 200, the temperature data of the temperature and humidity sensing component 300, and the humidity data of the temperature and humidity sensing component 300. The cable intelligent cover plate 10 may also be referred to as a cover plate or a cable cover plate, or referred to as a cable duct cover plate applied to a substation.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

  1. The utility model provides an kinds of cable intelligence apron, its characterized in that, including apron body, water logging detection subassembly, humiture sensing subassembly, communication subassembly and control assembly, this internal installation space that has of apron, water logging detection subassembly set up in the outside surface of apron body, humiture sensing subassembly set up in the outside of apron body, communication subassembly and control assembly set up respectively in the installation space, the water logging detection subassembly humiture sensing subassembly and communication subassembly respectively with the control assembly electricity is connected.
  2. 2. The cable intelligent cover plate of claim 1, further comprising a screw member, wherein the water immersion detecting assembly is provided with a fixing lug, the fixing lug is provided with a th fixing hole, the cover plate body is provided with a second fixing hole, the screw member passes through the th fixing hole and the second fixing hole, the end of the screw member close to the fixing lug abuts against the fixing lug, and the other end of the screw member is screwed with the wall of the second fixing hole.
  3. 3. The cable smart cover of claim 1, further comprising a battery assembly, the battery assembly being electrically connected to the control assembly.
  4. 4. The cable smart cover of claim 1, further comprising a storage component, the storage component being electrically connected to the control component.
  5. 5. The cable smart cover of claim 1, further comprising an alarm assembly disposed on the cover body.
  6. 6. The cable smart cover of claim 5, wherein the alarm component comprises a buzzer.
  7. 7. The cable intelligence cover of claim 5, wherein the alarm component comprises an LED lamp bead.
  8. 8. The cable intelligence apron of claim 1, characterized in that, temperature and humidity sensing subassembly includes temperature sensor and humidity transducer.
  9. A cable cover management system of , comprising a server and at least two cable intelligent covers of any of claims 1-8, wherein the communication component of each cable intelligent cover is wirelessly connected to the server.
  10. 10. The cable cover management system of claim 9, further comprising a concentrator, the concentrator being in wireless electrical connection with the communication assembly, the concentrator being configured to collect data information of the communication assembly and send the data information to the server.
CN201911068984.6A 2019-11-05 2019-11-05 Cable intelligence apron and cable cover management system Pending CN110739653A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911068984.6A CN110739653A (en) 2019-11-05 2019-11-05 Cable intelligence apron and cable cover management system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911068984.6A CN110739653A (en) 2019-11-05 2019-11-05 Cable intelligence apron and cable cover management system

Publications (1)

Publication Number Publication Date
CN110739653A true CN110739653A (en) 2020-01-31

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6881007B2 (en) * 2003-02-28 2005-04-19 H&M - Amh, Inc. Apparatus and method to secure manhole accessways
US20110148631A1 (en) * 2009-12-21 2011-06-23 Mcgard Llc Manhole Security Cover
CN102118440A (en) * 2011-02-01 2011-07-06 北京清大博海科技有限公司 Centralized monitoring system of cable inspection well
CN102930697A (en) * 2011-08-12 2013-02-13 福建思特电子有限公司 Water immersion alarm
CN105676921A (en) * 2016-01-15 2016-06-15 丽水学院 Monitorable well lid system
CN106229932A (en) * 2016-09-23 2016-12-14 国网江苏省电力公司南京供电公司 A kind of power distribution room cable channel cover plate
CN107130641A (en) * 2017-06-28 2017-09-05 武汉路宝市政建设配套设施有限公司 A kind of Internet of Things self-powered intelligent and safe well lid
CN108867705A (en) * 2018-08-24 2018-11-23 李文华 A kind of anti-clogging manhole lid device with dmp filter function
CN208753933U (en) * 2018-07-09 2019-04-16 深圳供电局有限公司 A kind of cable duct Intelligent cover plate
CN208965591U (en) * 2018-08-30 2019-06-11 福建泉欣电力有限公司 A kind of intelligent well cover based on NB-IoT Internet of Things
CN110197567A (en) * 2019-05-23 2019-09-03 宁波优能新能源发展有限公司 A kind of inspection well cover monitoring system
CN110206069A (en) * 2019-07-05 2019-09-06 上海杰狮信息技术有限公司 A kind of intelligent well cover of independently installed modular controller

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6881007B2 (en) * 2003-02-28 2005-04-19 H&M - Amh, Inc. Apparatus and method to secure manhole accessways
US20110148631A1 (en) * 2009-12-21 2011-06-23 Mcgard Llc Manhole Security Cover
CN102118440A (en) * 2011-02-01 2011-07-06 北京清大博海科技有限公司 Centralized monitoring system of cable inspection well
CN102930697A (en) * 2011-08-12 2013-02-13 福建思特电子有限公司 Water immersion alarm
CN105676921A (en) * 2016-01-15 2016-06-15 丽水学院 Monitorable well lid system
CN106229932A (en) * 2016-09-23 2016-12-14 国网江苏省电力公司南京供电公司 A kind of power distribution room cable channel cover plate
CN107130641A (en) * 2017-06-28 2017-09-05 武汉路宝市政建设配套设施有限公司 A kind of Internet of Things self-powered intelligent and safe well lid
CN208753933U (en) * 2018-07-09 2019-04-16 深圳供电局有限公司 A kind of cable duct Intelligent cover plate
CN108867705A (en) * 2018-08-24 2018-11-23 李文华 A kind of anti-clogging manhole lid device with dmp filter function
CN208965591U (en) * 2018-08-30 2019-06-11 福建泉欣电力有限公司 A kind of intelligent well cover based on NB-IoT Internet of Things
CN110197567A (en) * 2019-05-23 2019-09-03 宁波优能新能源发展有限公司 A kind of inspection well cover monitoring system
CN110206069A (en) * 2019-07-05 2019-09-06 上海杰狮信息技术有限公司 A kind of intelligent well cover of independently installed modular controller

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Effective date of registration: 20210209

Address after: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District

Applicant after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd.

Address before: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District

Applicant before: GUANGZHOU POWER SUPPLY Co.,Ltd.

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Application publication date: 20200131