CN203722669U - Power tunnel semi-offline manhole cover monitoring system - Google Patents

Power tunnel semi-offline manhole cover monitoring system Download PDF

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Publication number
CN203722669U
CN203722669U CN201420012299.8U CN201420012299U CN203722669U CN 203722669 U CN203722669 U CN 203722669U CN 201420012299 U CN201420012299 U CN 201420012299U CN 203722669 U CN203722669 U CN 203722669U
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China
Prior art keywords
well lid
unit
mcu
terminal
line
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CN201420012299.8U
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Inventor
杨震威
孔得朋
张淑祯
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Conway Communication Technology Co., Ltd
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Shandong Conwell Communication Technology Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

The utility model discloses a power tunnel semi-offline manhole cover monitoring system. The power tunnel semi-offline manhole cover monitoring system includes an upper computer, a semi-offline manhole cover monitoring terminal which wirelessly communicates with the upper computer, and a PDA handheld terminal which wirelessly communicates with the semi-offline manhole cover monitoring terminal; and the semi-offline manhole cover monitoring terminal adopts a microswitch and a three-dimension tilt sensor to trigger a micro controller unit (MUC), when the triggering of the microswitch fails, the three-dimension tilt sensor triggers the MCU through the tilt angle of the monitoring terminal. With the power tunnel semi-offline manhole cover monitoring system of the utility model adopted, when a manhole cover is intruded illegally or fails, short massage alarm can be supported, and at the same time, a voice alarm function can be realized; a battery replacement cycle is longer than 5 years, and therefore, various investment required by charging can be saved; intelligent battery management is adopted, battery and voltage states can be regularly monitored, and therefore, safety and reliability can be realized; and double safety terminals can trigger the MCU, and therefore, the reliability of the operation of the semi-offline manhole cover monitoring terminal can be ensured, and illegal opening of and man-made damage to the manhole can be effectively avoided.

Description

A kind of electric power tunnel half off-line well lid supervisory control system
Technical field
The utility model relates to a kind of well lid supervisory control system, relates in particular to a kind of electric power tunnel half off-line well lid supervisory control system.
Background technology
Along with economic development, town planning and construction speed rapid growth, modern city also improves constantly the requirement of power supply reliability, landscaping, and the exploitation of urban underground space are become to a part indispensable in people's lives.The underground engineering constructions such as various pipelines, tunnel expanding city space capacity, improve the aspects such as City Life Quality and play an important role.
Wherein no exception as the electric power of the foundation of national economy, overhead wire enters and spreads out rapidly, from burying more shallow pipe row ditch, open trench tunnel underground to laying darker push pipe tunnel, shield tunnel, the quantity that the underground cable lines such as various electric power tunnels, pipeline and raceway groove put into operation is also in quick increase, and power pipe inspection shaft more and more appears at the common people's sight line.
Power cable passage, as the important component part of urban underground space, is laid with 10kV and above Voltage Cable Lines Construction, in the net of city, is conventionally undertaking important transmission of electricity task.But because cable passage lacks indispensable technical precaution equipment and monitoring means, inspection shaft well lid is often stolen, lawless person enters by inspection shaft the situation of stealing cable passage affiliated facility and low-voltage cable in cable passage and happens occasionally, it is serious that the facilities such as cable passage inner high voltage cable line cable of copper shield layer, cross interconnected line, earth connection, return wire, cross interconnected case, grounding box are lost stolen situation, has a strong impact on the safe operation of cable system.
In addition, along with developing rapidly with prefectures and cities of city renovated carrying out of three line lodge work, communication run unit is in order to reduce costs, privately opening inspection shaft well lid remains incessant after repeated prohibition in the cable passage of the power supply management department cable situation of giving out light steathily, rare cable passage resource is illegally occupied, and forms new disaster hidden-trouble.Dependence rolls up operations staff's quantity, and to deal with increasing rapidly with government pressure of electric power tunnel unrealistic, and adopting up to date technics means to improve electric power tunnel operation and maintenance level is the task of top priority.
Utility model content
The purpose of this utility model is exactly in order to address the above problem, a kind of electric power tunnel half off-line well lid supervisory control system has been proposed, this system is different from traditional well lid mode of manually unblanking, support authorize PDA equipment utilization Bluetooth remote control management and monitoring well lid, possess radio SMS alarm function, effectively manhole cover implementing monitoring is managed, native system is pointed strong, good reliability, the advantages such as perfect function.
To achieve these goals, the utility model adopts following technical scheme:
A kind of electric power tunnel half off-line well lid supervisory control system, comprising: host computer, with half off-line well lid monitor terminal of host computer radio communication, and with the PDA handheld terminal of half off-line well lid monitor terminal radio communication; Described half off-line well lid monitor terminal adopts sensitive switch to trigger and two kinds of MCU triggering modes of three-dimensional dip sensor-triggered, and when sensitive switch triggers unsuccessfully, three-dimensional dip transducer triggers MCU by the angle of inclination of monitoring terminal.
Described half off-line well lid monitor terminal comprises: main control MCU unit, and the outer well lid Condition Monitoring Unit being connected respectively with main control MCU unit: when outer well lid abnormal state, wake main control MCU unit up and enter normal mode of operation; Well lid Condition Monitoring Unit: when outer well lid Condition Monitoring Unit lost efficacy, if well lid Condition Monitoring Unit is reaching setting threshold, wake main control MCU up and enter normal mode of operation; Well lid handle monitoring means: monitor in real time well lid handle state; Note reports unit: report well lid and battery information, report and alarm note when well lid abnormal state by setting cycle timing; Bluetooth module unit: realize the radio communication with other equipment; Well lid lock control unit: for realizing the control to well lid lock-controlled switch; Battery power supply unit: for the half each unit of off-line well lid monitor terminal provides supply voltage; Voltage conversion unit: lithium battery voltage is converted to the required supply voltage of the each cell operation of terminal; Voltage and battery electric quantity monitor unit: regularly monitor battery electric quantity and each cell operation voltage, when abnormal state, send alarm message.
Between described handheld terminal and host computer, based on wireless communication, be adopted as the long connection of Transmission Control Protocol; Half off-line well lid monitor terminal is communicated by letter by short message mode with host computer.
Between described handheld terminal and half off-line well lid monitor terminal, carry out radio communication by bluetooth, half off-line well lid monitor terminal is as from device broadcasts, and handheld terminal search also initiatively connects well lid monitor terminal.
Described half off-line well lid monitor terminal also comprises voice alarm unit, and described voice alarm unit is connected with main control MCU unit, when well lid is illegally opened outside, provides the phonic warning information that is not less than 90 decibels.
Described outer well lid Condition Monitoring Unit comprises the switch detection circuit whether spherical spring for monitoring sensitive switch contacts with outer well lid, and described switch observation circuit one end connects well lid sensitive switch, the other end is connected with main control MCU unit.
Described switch observation circuit comprises: ground connection after resistance R 8 one end are connected with Vin, the other end is connected with transient voltage suppressor diode D1; One end of capacitor C 3 is connected between Vin and resistance R 8, other end ground connection; The interruption pin that one end of resistance R 10 is connected with sensitive switch, the other end is connected to MCU; Resistance R 10 is attempted by diode D1 two ends after connecting successively with capacitor C 4, capacitor C 4 is connected with the earth terminal of diode D1.
Described well lid Condition Monitoring Unit comprises whether the variable quantity for monitoring three-dimensional dip transducer exceedes the three-dimensional acceleration observation circuit of reservation threshold, and three-dimensional acceleration observation circuit is connected with main control MCU unit by SPI interface.
Described three-dimensional acceleration observation circuit comprises: three-dimensional dip sensor chip U1, and 4,6,7, No. 8 pins of described three-dimensional dip sensor chip U1 are connected with MCU by SPI interface after series limiting resistor R1-R4 respectively; After No. 1 pin series resistance R5 of described three-dimensional dip sensor chip U1, be connected to the interruption pin one of MCU, after No. 9 pin series resistance R6 of U1, be connected to the interruption pin two of MCU, after No. 1 pin series resistance R7 of U1, be connected to MCU power pin; 2,3,5,10 and No. 15 pins of U1 are unsettled; No. 14 pins of one end of capacitor C 1 and U1 and No. 1 pin are connected successively, other end ground connection; One end of capacitor C 2 is connected with No. 1 pipe of U1, other end ground connection.
Under normal condition, outer well lid is pressed spherical spring, sensitive switch is in closed condition, once outer well lid is for being opened, sensitive switch is opened, and switch observation circuit will detect the variation of this state, and this variation is changed into the signal that MCU can receive by switch observation circuit, be connected to the interruption pin of MCU, enter normal operating state thereby trigger MCU from low-power sleep state.
Preset three-dimensional acceleration threshold value, in the time that the variable quantity of three-dimensional dip transducer exceedes the threshold value setting, three-dimensional acceleration observation circuit is exported certain signal, be connected to the interruption pin of MCU, thereby trigger MCU and enter normal operating state from low-power sleep state, MCU reads data cached in three-dimensional dip transducer, and whether carry out Analysis deterrmination current is abnormality.
When sensitive switch triggers unsuccessfully, three-dimensional dip transducer can monitor the angle of inclination of monitor terminal, while reaching setting threshold, can trigger single-chip microcomputer.Double insurance triggering mode, avoided single triggering mode wrong report, fail to report phenomenon, improved largely the advantage of its low-power consumption characteristic.
Handheld terminal and half off-line well lid monitor terminal adopt low-power consumption Bluetooth communication, near half off-line well lid monitor terminal handheld terminal can scan, and establish a communications link by bluetooth with the half off-line well lid monitor terminal scanning.After connection, can obtain address information, state information and the parameter information of this well lid, and can open well lid, simultaneously by well lid state reporting host computer.
The beneficial effects of the utility model are:
By enforcement of the present utility model, utilize Bluetooth function remote control opening and closing by handheld terminal, replace the conventional manual well lid mode of unblanking; In the time that well lid has illegal invasion or fault, support SMS alarm, possess phonic warning function simultaneously, can avoid producing extra campus network; The high-capacity lithium battery power supply that half off-line well lid monitor terminal adopts working life extremely to grow, the replacing battery cycle reaches more than 5 years, saves the required various inputs of charging; Half off-line well lid monitor terminal adopts intelligent battery way to manage, and timing monitoring battery and voltage status are safe and reliable; Double insurance terminal MCU triggering mode, has ensured the reliability of terminal works, effectively avoids that well lid is illegal to be opened or artificial destruction.By the enforcement of half off-line well lid supervisory control system, can realize power pipe is carried out to effective room entry/exit management, guarantee the operation that power pipe inner cable is safe and reliable.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is half off-line well lid monitor terminal composition schematic diagram.
Fig. 3 is switch observation circuit figure of the present utility model;
Fig. 4 is three positioner acceleration observation circuit figure of the present utility model.
Wherein, 1. monitored well lid, 2. half off-line well lid monitor terminal, 3. handheld terminal, 4. host computer, 5. main control MCU unit, 6. outer well lid Condition Monitoring Unit, 7. well lid Condition Monitoring Unit, 8. well lid handle monitoring means, 9. note reports unit, 10. bluetooth module unit, 11. well lid lock control unit, 12. battery power supply units, 13. voltage transformation modules, 14. voltages and battery electric quantity monitor unit, 15. voice alarm unit.
Embodiment:
Below in conjunction with accompanying drawing and embodiment, the utility model is described further:
As shown in Figure 1, a kind of electric power tunnel half off-line well lid supervisory control system, comprising: host computer 4, the half off-line well lid monitor terminal 2 of communicating by letter by short message mode with host computer 4, and handheld terminal 3.
Host computer 4 is not is not patrolled and examined when flat half off-line well lid monitor terminal 2, half off-line well lid monitor terminal 2 is monitored the state of monitored well lid 1 and is regularly reported host computer 4 by short message mode, starts SMS alarm function or phonetic alarm warning when the illegal unlatching of monitored well lid 1 or fault.
Between half off-line well lid monitor terminal 2 and handheld terminal 3, communicate based on bluetooth, half off-line well lid monitor terminal 2 conducts are from device broadcasts, and handheld terminal 3 search also initiatively connect half off-line well lid monitor terminal 2.
Between handheld terminal 3 and host computer 4, based on wireless communication, be adopted as the long connection of Transmission Control Protocol.
As shown in Figure 2, a kind of half off-line well lid monitor terminal, comprises main control MCU unit 5, outer well lid Condition Monitoring Unit 6, well lid Condition Monitoring Unit 7, well lid handle monitoring means 8, note reports unit 9, bluetooth module unit 10, well lid lock control unit 11, battery power supply unit 12, voltage transformation module 13, voltage and battery electric quantity monitor unit 14 and voice alarm unit 15.
Described main control MCU unit 5 adopts low power dissipation design, utilizes the interrupt function of single-chip microcomputer to allow the MCU of main control unit periodically work and sleep, thereby reduces greatly terminal works.In the time that outer well lid has unusual condition or need to send note, MCU is in low-power consumption operating state, and in the time that outer well lid state is normal, MCU is in the sleep state of low-power consumption more.
Described outer well lid Condition Monitoring Unit 6, is connected with main control MCU unit 5, and well lid is illegally opened or when abnormal state, waken main control MCU unit up and enter normal mode of operation outside.
Described well lid Condition Monitoring Unit 7, is connected 5 with main control MCU unit, and when well lid Condition Monitoring Unit triggers unsuccessfully outside, well lid Condition Monitoring Unit, in the time reaching setting threshold, is waken main control MCU up and entered mode of operation.
Described well lid handle monitoring means 8, is connected with main control MCU unit 5, and real-time online monitors well lid handle state.
Described alarming short message unit 9, is connected with main control MCU unit 5, can report the information such as well lid state, battery electric quantity, report and alarm note in the time that well lid is illegally opened by setting cycle timing.
Described bluetooth module unit 10, is connected with main control MCU unit 5, realizes and being connected with the wifi of handheld terminal 3, complete the operation of well lid open locking, and the parameter configuration of well lid.
Described well lid lock control unit 11, is connected with main control MCU unit 5, realizes well lid intelligent lock control is managed.
Described battery power supply unit 12, for the half each unit of off-line well lid monitor terminal provides supply voltage, is connected with voltage conversion unit 13, and high-capacity lithium battery power supply provides intelligent battery voltage management mode, has guaranteed battery useful life of at least five years.
Described voltage conversion unit 13, is converted to the required supply voltage of the each cell operation of terminal by lithium battery voltage, is connected with main control MCU unit 5, and controlling voltage conversion unit is each element circuit power supply and power-off.
Described voltage and battery electric quantity monitor voltage 14, are connected with main control MCU unit 5, regularly monitor battery electric quantity and each cell operation voltage, send alarm message when the low or electric voltage exception of battery electric quantity.
Described voice alarm unit 15, is connected with main control MCU unit 5, in the time that well lid is illegally opened, provides the phonic warning mode of at least 90 decibels.
As shown in Figure 3 and Figure 4, described outer well lid Condition Monitoring Unit comprises the switch detection circuit whether spherical spring for monitoring sensitive switch contacts with outer well lid, and described switch observation circuit one end connects well lid sensitive switch, the other end is connected with main control MCU unit.
Described switch observation circuit comprises: ground connection after resistance R 8 one end are connected with Vin, the other end is connected with transient voltage suppressor diode D1; One end of capacitor C 3 is connected between Vin and resistance R 8, other end ground connection; The interruption pin that one end of resistance R 10 is connected with sensitive switch, the other end is connected to MCU; Resistance R 10 is attempted by diode D1 two ends after connecting successively with capacitor C 4, capacitor C 4 is connected with the earth terminal of diode D1.
Described well lid Condition Monitoring Unit comprises whether the variable quantity for monitoring three-dimensional dip transducer exceedes the three-dimensional acceleration observation circuit of reservation threshold, and three-dimensional acceleration observation circuit is connected with main control MCU unit by SPI interface.
Described three-dimensional acceleration observation circuit comprises: three-dimensional dip sensor chip U1, and 4,6,7, No. 8 pins of described three-dimensional dip sensor chip U1 are connected with MCU by SPI interface after series limiting resistor R1-R4 respectively; After No. 1 pin series resistance R5 of described three-dimensional dip sensor chip U1, be connected to the interruption pin one of MCU, after No. 9 pin series resistance R6 of U1, be connected to the interruption pin two of MCU, after No. 1 pin series resistance R7 of U1, be connected to MCU power pin; 2,3,5,10 and No. 15 pins of U1 are unsettled; No. 14 pins of one end of capacitor C 1 and U1 and No. 1 pin are connected successively, other end ground connection; One end of capacitor C 2 is connected with No. 1 pipe of U1, other end ground connection.
Under normal condition, outer well lid is pressed spherical spring, sensitive switch is in closed condition, once outer well lid is for being opened, sensitive switch is opened, and switch observation circuit will detect the variation of this state, and this variation is changed into the signal that MCU can receive by switch observation circuit, be connected to the interruption pin of MCU, enter normal operating state thereby trigger MCU from low-power sleep state.
Preset three-dimensional acceleration threshold value, in the time that the variable quantity of three-dimensional dip transducer exceedes the threshold value setting, three-dimensional acceleration observation circuit is exported certain signal, be connected to the interruption pin of MCU, thereby trigger MCU and enter normal operating state from low-power sleep state, MCU reads data cached in three-dimensional dip transducer, and whether carry out Analysis deterrmination current is abnormality.
When sensitive switch triggers unsuccessfully, three-dimensional dip transducer can monitor the angle of inclination of monitor terminal, while reaching setting threshold, can trigger single-chip microcomputer.Double insurance triggering mode, avoided single triggering mode wrong report, fail to report phenomenon, improved largely the advantage of its low-power consumption characteristic.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the not restriction to the utility model protection range; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendments that creative work can make or distortion still in protection range of the present utility model.

Claims (9)

1. an electric power tunnel half off-line well lid supervisory control system, is characterized in that, comprising: host computer, with half off-line well lid monitor terminal of host computer radio communication, and with the PDA handheld terminal of half off-line well lid monitor terminal radio communication;
Described half off-line well lid monitor terminal adopts sensitive switch to trigger and two kinds of MCU triggering modes of three-dimensional dip sensor-triggered, and when sensitive switch triggers unsuccessfully, three-dimensional dip transducer triggers MCU by the angle of inclination of monitoring terminal.
2. a kind of electric power tunnel half off-line well lid supervisory control system as claimed in claim 1, is characterized in that, described half off-line well lid monitor terminal comprises: main control MCU unit, and be connected respectively with main control MCU unit
Outer well lid Condition Monitoring Unit: when outer well lid abnormal state, wake main control MCU unit up and enter normal mode of operation;
Well lid Condition Monitoring Unit: when outer well lid Condition Monitoring Unit lost efficacy, if well lid Condition Monitoring Unit is reaching setting threshold, wake main control MCU up and enter normal mode of operation;
Well lid handle monitoring means: monitor in real time well lid handle state;
Note reports unit: report well lid and battery information, report and alarm note when well lid abnormal state by setting cycle timing;
Bluetooth module unit: realize the radio communication with other equipment;
Well lid lock control unit: for realizing the control to well lid lock-controlled switch;
Battery power supply unit: for the half each unit of off-line well lid monitor terminal provides supply voltage;
Voltage conversion unit: lithium battery voltage is converted to the required supply voltage of the each cell operation of terminal;
Voltage and battery electric quantity monitor unit: regularly monitor battery electric quantity and each cell operation voltage, and send alarm message.
3. a kind of electric power tunnel half off-line well lid supervisory control system as claimed in claim 1, is characterized in that, between described handheld terminal and host computer, based on wireless communication, is adopted as the long connection of Transmission Control Protocol; Half off-line well lid monitor terminal is communicated by letter by short message mode with host computer.
4. a kind of electric power tunnel half off-line well lid supervisory control system as claimed in claim 1, it is characterized in that, between described handheld terminal and half off-line well lid monitor terminal, pass through Bluetooth wireless communication, half off-line well lid monitor terminal is as from device broadcasts, and handheld terminal search also initiatively connects well lid monitor terminal.
5. a kind of electric power tunnel half off-line well lid supervisory control system as claimed in claim 1, it is characterized in that, described half off-line well lid monitor terminal also comprises voice alarm unit, described voice alarm unit is connected with main control MCU unit, in the time that well lid is illegally opened, provide the phonic warning information that is not less than 90 decibels.
6. a kind of electric power tunnel half off-line well lid supervisory control system as claimed in claim 2, it is characterized in that, described outer well lid Condition Monitoring Unit comprises the switch detection circuit whether spherical spring for monitoring sensitive switch contacts with outer well lid, and described switch observation circuit one end connects well lid sensitive switch, the other end is connected with main control MCU unit.
7. a kind of electric power tunnel half off-line well lid supervisory control system as claimed in claim 6, is characterized in that, described switch observation circuit comprises: ground connection after resistance R 8 one end are connected with Vin, the other end is connected with transient voltage suppressor diode D1; One end of capacitor C 3 is connected between Vin and resistance R 8, other end ground connection; The interruption pin that one end of resistance R 10 is connected with sensitive switch, the other end is connected to MCU; Resistance R 10 is attempted by diode D1 two ends after connecting successively with capacitor C 4, capacitor C 4 is connected with the earth terminal of diode D1.
8. a kind of electric power tunnel half off-line well lid supervisory control system as claimed in claim 2, it is characterized in that, described well lid Condition Monitoring Unit comprises whether the variable quantity for monitoring three-dimensional dip transducer exceedes the three-dimensional acceleration observation circuit of reservation threshold, and three-dimensional acceleration observation circuit is connected with main control MCU unit by SPI interface.
9. a kind of electric power tunnel half off-line well lid supervisory control system as claimed in claim 8, it is characterized in that, described three-dimensional acceleration observation circuit comprises: three-dimensional dip sensor chip U1, and 4,6,7, No. 8 pins of described three-dimensional dip sensor chip U1 are connected with MCU by SPI interface after series limiting resistor R1-R4 respectively; After No. 1 pin series resistance R5 of described three-dimensional dip sensor chip U1, be connected to the interruption pin one of MCU, after No. 9 pin series resistance R6 of U1, be connected to the interruption pin two of MCU, after No. 1 pin series resistance R7 of U1, be connected to MCU power pin; 2,3,5,10 and No. 15 pins of U1 are unsettled; No. 14 pins of one end of capacitor C 1 and U1 and No. 1 pin are connected successively, other end ground connection; One end of capacitor C 2 is connected with No. 1 pipe of U1, other end ground connection.
CN201420012299.8U 2014-01-08 2014-01-08 Power tunnel semi-offline manhole cover monitoring system Active CN203722669U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104618867A (en) * 2014-12-30 2015-05-13 山东康威通信技术股份有限公司 Bluetooth based power tunnel position information pushing method
CN109062098A (en) * 2018-08-03 2018-12-21 武汉路宝市政建设配套设施有限公司 A kind of well lid monitoring system and method
CN109557835A (en) * 2017-09-26 2019-04-02 上海谷元电气科技有限公司 A kind of cellar well lid control device based on NB-IoT mechanics of communication and blue-tooth technology

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104618867A (en) * 2014-12-30 2015-05-13 山东康威通信技术股份有限公司 Bluetooth based power tunnel position information pushing method
CN104618867B (en) * 2014-12-30 2018-05-15 山东康威通信技术股份有限公司 A kind of electric power tunnel positional information method for pushing based on bluetooth
CN109557835A (en) * 2017-09-26 2019-04-02 上海谷元电气科技有限公司 A kind of cellar well lid control device based on NB-IoT mechanics of communication and blue-tooth technology
CN109062098A (en) * 2018-08-03 2018-12-21 武汉路宝市政建设配套设施有限公司 A kind of well lid monitoring system and method

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PE01 Entry into force of the registration of the contract for pledge of patent right
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Denomination of utility model: Power tunnel semi-offline manhole cover monitoring system

Effective date of registration: 20190617

Granted publication date: 20140716

Pledgee: Overpass Branch of Jinan Rural Commercial Bank Co., Ltd.

Pledgor: Shandong Conwell Communication Technology Co., Ltd.

Registration number: 2019370000128

Denomination of utility model: Power tunnel semi-offline manhole cover monitoring system

Effective date of registration: 20190617

Granted publication date: 20140716

Pledgee: Overpass Branch of Jinan Rural Commercial Bank Co., Ltd.

Pledgor: Shandong Conwell Communication Technology Co., Ltd.

Registration number: 2019370000128

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Date of cancellation: 20200615

Granted publication date: 20140716

Pledgee: Overpass Branch of Jinan Rural Commercial Bank Co.,Ltd.

Pledgor: SHANDONG KANGWEI COMMUNICATION TECHNOLOGY Co.,Ltd.

Registration number: 2019370000128

PE01 Entry into force of the registration of the contract for pledge of patent right
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Denomination of utility model: Power tunnel semi-offline manhole cover monitoring system

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