CN107613000B - Embedded well lid state self-checking system based on Zigbee self-organizing network - Google Patents
Embedded well lid state self-checking system based on Zigbee self-organizing network Download PDFInfo
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- CN107613000B CN107613000B CN201710849295.3A CN201710849295A CN107613000B CN 107613000 B CN107613000 B CN 107613000B CN 201710849295 A CN201710849295 A CN 201710849295A CN 107613000 B CN107613000 B CN 107613000B
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- 230000005611 electricity Effects 0.000 claims abstract description 12
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- 239000003990 capacitor Substances 0.000 claims description 167
- 238000012544 monitoring process Methods 0.000 claims description 38
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 238000010248 power generation Methods 0.000 claims description 21
- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 239000013078 crystal Substances 0.000 claims description 17
- 238000004146 energy storage Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 14
- 230000000087 stabilizing effect Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000004891 communication Methods 0.000 abstract description 5
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention relates to an embedded well lid state self-checking system based on a Zigbee self-organizing network, and belongs to the technical field of well lids. The cloud server comprises a fixed node well lid, a sink node well lid and a cloud server; the fixed node well lid adopts the battery power supply, and sink node well lid is from power supply through sink node well lid pressure electricity generation well lid, and the zigBee star topology network that whole sink node well lid and fixed node well lid constitute, and the real-time status information of well lid is sent to the high in the clouds server through sink node well lid, masters the real-time status information of well lid in the road of whole city in real time through the high in the clouds server. The invention can know the state information of the well lid in the whole road in real time, can process the state information in time when problems occur, ensures the minimum energy consumption and the maximum information acquisition range of the well lid by the ZigBee communication network of the self-organizing network, and has great application value because the expansibility of the system can carry out a large amount of data for the smart city.
Description
Technical Field
The invention relates to an embedded well lid state self-checking system based on a Zigbee self-organizing network, and belongs to the technical field of well lids.
Background
Along with the rapid progress of urban infrastructure, people enjoy the convenience that the development brought, urban road construction is also going on in order, and people's eyes focus on the road, often neglect other circumstances on the road. However, in urban roads, there are a number of well lid loss and well lid damage problems. The missing condition of the well lid is usually caused by artificial theft or untimely installation of constructors, and on the road passing through large vehicles, the well lid is crushed due to the fact that the pressure bearing of the well lid exceeds the design capacity of the well lid due to serious overload of the vehicles. In the running process of road vehicles, accidents of vehicle destruction and human death often caused by well lid problems are very fear of well lid problems of vehicle drivers. This problem appears to be solved by the sensor, but the use of wired sensors can lead to confusion in the underground lines, and insufficient power with wireless sensors can add more labor costs. Therefore, the invention designs an embedded well lid state self-checking system based on Zigbee self-organizing network.
Disclosure of Invention
The invention aims to solve the technical problems that: the technical scheme of the invention is as follows: an embedded well lid state self-checking system based on Zigbee self-organizing network solves the problem that the existing well lid is not easy to detect due to missing and damage of the well lid in a road and the problem that the well lid state in the road is reported in real time. This intelligence well lid can independently generate electricity, can also upload the current state of well lid in real time. Meanwhile, the communication network of the ZigBee ad hoc network is utilized to enlarge the data acquisition range, reduce the energy consumption and provide a large amount of basic data for the smart city.
The technical scheme of the invention is as follows: an embedded well lid state self-checking system based on Zigbee self-organizing network comprises a fixed node well lid, a sink node well lid and a cloud server 9;
the fixed node well lid comprises a first well lid state self-checking module 1, a first well lid anti-theft module 2, a first well lid battery electric quantity monitoring module 3, a first well lid GPS positioning module 4, a fixed node well lid signal sending module 5 and a fixed well lid;
the sink node well lid comprises a second well lid state self-checking module 1, a second well lid anti-theft module 2, a second well lid battery electric quantity monitoring module 3, a second well lid GPS positioning module 4, a sink node well lid pressure power generation well lid 6, a sink node well lid electric energy storage circuit module 7 and a sink node well lid signal receiving/transmitting module 8;
the first well lid state self-checking module 1, the first well lid anti-theft module 2, the first well lid battery electric quantity monitoring module 3, the first well lid GPS positioning module 4 and the fixed node well lid signal transmitting module 5 are all integrated on the fixed well lid; the first well lid state self-checking module 1, the first well lid anti-theft module 2, the first well lid battery electric quantity monitoring module 3 and the first well lid GPS positioning module 4 are all connected with the fixed node well lid signal sending module 5;
the second well lid state self-checking module 1, the second well lid anti-theft module 2, the second well lid battery electric quantity monitoring module 3 and the second well lid GPS positioning module 4 are integrated on the sink node well lid pressure power generation well lid 6; the sink node well lid pressure power generation well lid 6 is connected with the sink node well lid electric energy storage circuit module 7, the sink node well lid electric energy storage circuit module 7 is connected with the sink node well lid signal receiving/transmitting module 8, and the second well lid state self-checking module 1, the second well lid anti-theft module 2, the second well lid battery electric quantity monitoring module 3 and the second well lid GPS positioning module 4 are connected with the sink node well lid signal receiving/transmitting module 8;
the fixed node well lid signal transmitting module 5 is connected with the sink node well lid signal receiving/transmitting module 8 to form a ZigBee network, and the sink node well lid signal receiving/transmitting module 8 is connected with the cloud server 9 through an antenna;
the first well lid state self-checking module 1 and the second well lid state self-checking module 1 comprise enameled wires and an inverter 74LS04; the enameled wire is embedded in the fixed manhole cover or the sink node manhole cover pressure power generation manhole cover 6, one end of the enameled wire is connected with the VCC, the other end of the enameled wire is connected with the input end of the inverter 74LS04, and the output end of the inverter 74LS04 is connected with the ZigBee module chip CC2530 of the fixed node manhole cover signal transmitting module 5 or the sink node manhole cover signal receiving/transmitting module 8.
The fixed node well lid adopts the battery power supply, the sink node well lid is through sink node well lid pressure electricity generation well lid 6 from power supply, the quantity of fixed node well lid on whole road is more than sink node well lid, fixed node well lid carries out state self-checking to self through built-in first well lid state self-checking module 1 and obtains its state information, gather through first well lid battery power monitoring module 3 and obtain its locating information through first well lid GPS positioning module 4, the zigBee module of rethread fixed node well lid sends to sink node well lid department, simultaneously sink node well lid carries out state self-checking to self through built-in second well lid state self-checking module 1 and obtains its state information, gather through second well lid battery power monitoring module 3 and obtain its locating information, and gather to sink node well lid signal receiving/sending module 8, whole sink node and the zigBee star topology network that the fixed node constitutes, afterwards, the real-time state information of well lid in the whole city is known through sink node well lid to high in the cloud server in real time through the cloud server, the information, locating information of well lid.
The first well lid anti-theft module 2 and the second well lid anti-theft module 2 have the same structure and comprise a capacitor C17, a capacitor C18, an inductor L4, a relay and a chip TX125; the pins MODE1, MODE3, MODE4 of the chip TX125 are commonly connected to one end of the inductor L4, the pin VCC of the chip TX125 is connected to one end of the capacitor C17 and one end of the capacitor C18, and then connected to the other end VCC of the inductor L4, the pin GND of the chip TX125 is connected to the other ends of the capacitor C17 and the capacitor C18, and then grounded, the pins TX1 and TX2 of the chip TX125 are respectively connected to one end of the relay, the TXD of the pin of the chip TX125 is connected to P0.0 of the chip CC2530, and the STATUS of the pin of the chip TX125 is connected to P0.1 of the chip CC2530.
The first well lid battery electric quantity monitoring module 3 and the second well lid battery electric quantity monitoring module 3 have the same structure and respectively comprise a resistor R4, a resistor R5, a diode D9, a chip LM232 and a battery; the positive electrode of the battery is connected with one end of the resistor R4 and the No. 4 pin of the chip LM232, the other end of the resistor R4 is connected with the No. 3 pin of the chip LM232, the negative electrode of the battery is connected with one end of the resistor R5 and the positive electrode of the diode D9, then grounded, the negative electrode of the diode D9 is connected with the No. 3 pin of the chip LM232, the other end of the resistor R5 is connected with the No. 2 pin of the chip LM232, and therefore the positive electrode and the negative electrode of the voltage source are respectively connected with the LM232 chip after being connected with the protection resistor to form voltage comparison, the No. 5 pin of the chip LM232 is grounded, and the No. 1 pin of the chip LM232 is used as the P1.3 of the output connection chip CC2530.
The first well lid GPS positioning module 4 and the second well lid GPS positioning module 4 have the same structure and both comprise a chip EM411 and an inverter 74LS04; the pin 3 TX of the chip EM411 is connected to the input end of the inverter 74LS04, the output end of the inverter 74LS04 is connected to the input end of another inverter 74LS04, the output end of another inverter 74LS04 is connected to the P1.4 of the chip CC2530, the pin 4 RX of the chip EM411 is connected to the P1.5 of the chip CC2530, and the geographic position of the device can be obtained by the two pins; the pin 1 and the pin 5 of the chip EM411 are commonly grounded, and the pin 2 of the chip EM411 is connected with 5V voltage.
The fixed node well lid signal transmitting module 5 and the sink node well lid signal receiving/transmitting module 8 are mainly composed of a ZigBee module and a signal receiving/transmitting circuit, wherein the ZigBee module comprises a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, a capacitor C10, a capacitor C11, a resistor R2, a resistor R3, a crystal oscillator Y1, a crystal oscillator Y2 and a wireless chip CC2530; the module is used as a fixed node well lid signal sending module, and meanwhile, a ZigBee network is formed by the module and a sink node well lid signal receiving/sending module formed by the module, and signals are transmitted to a cloud server 9 through an antenna; the ZigBee module circuit comprises two crystal oscillator circuits, a reset circuit and a protection circuit; the chip CC2530 pin XOSC_Q1 and XOSC_Q2 are respectively connected with one end of the crystal oscillator Y2, then respectively connected with one end of the capacitor C8 and one end of the capacitor C9, the other ends of the capacitor C8 and the capacitor C9 are commonly grounded, the chip CC2530 pin P2.3 and the chip CC2530 pin P2.4 are respectively connected with one end of the crystal oscillator Y1, then respectively connected with one end of the capacitor C4 and one end of the capacitor C5, the other ends of the capacitor C4 and the capacitor C5 are commonly grounded, the crystal oscillator circuit enables the working frequency of the chip CC2530 single-chip microcomputer controller to be always kept at a reference frequency, the chip CC2530 pin RESET is connected with one end of the capacitor C11 and one end of the resistor R3, the other end of the capacitor C11 is connected with 5V voltage, and the other end of the resistor R3 is grounded. The chip CC2530 pin RBLAS is connected with one end of a resistor R2, the other end of the resistor R2 is grounded, the chip CC2530 pin AVDD6 and DVDD1 are commonly connected with one end of a capacitor C6 and a circuit commonly connected with AVDD1-5, one end of a capacitor C7 and 3.3V voltage are connected to the circuit, the other ends of the capacitor C6 and the capacitor C7 are grounded, the chip CC2530 pin DVDD2 is connected with one end of a capacitor C10, the other end of the capacitor C10 is grounded, the chip CC2530 pin DCOUPL is connected with one end of a capacitor C3, the other end of the capacitor C3 is grounded, and the pins P1 and P0 of the chip CC2530 are used as signal receiving I/O ports; as an access port of external equipment, the device can perform signal transmission work; the DVDD2 pin of the chip CC2530 is connected with the capacitor C10 to form a filter circuit, the DCOUPL pin of the chip CC2530 is connected with the capacitor C3 to form a filter circuit, and the common connection circuits can ensure the voltage conversion requirements of other peripheral devices;
the chip CC2530 pin RF_ N, RF _P is used as a connection point of a signal receiving/transmitting circuit, and the signal receiving/transmitting circuit comprises a capacitor C12, a capacitor C13, a capacitor C14, a capacitor C15, a capacitor C16, an inductor L1, an inductor L2, an inductor L3 and an antenna; the chip CC2530 pin RF_N is connected with one end of the capacitor C12, the other end of the capacitor C12 is connected with one end of the inductor L1 and one end of the inductor L2, the chip CC2530 pin RF_P is connected with one end of the capacitor C13, the other end of the capacitor C13 is connected with one end of the inductor L1 and one end of the inductor L3 and one end of the capacitor C14, the other end of the inductor L3 is grounded, the other ends of the inductor L2 and the capacitor C14 are connected with one ends of the capacitor C15 and the capacitor C16 together, the other end of the capacitor C15 is grounded, and the other end of the capacitor C16 is connected with an antenna.
The sink node well lid pressure power generation well lid 6 comprises an arc-shaped steel plate 10, a bearing steel plate 11, a sealing bulkhead 12, a return spring 13, a limit bearing base 14, flexible sealing rubber 15, a limit position clamping support 16, a liquid medium 17, a turbine generator 18, a liquid compression cabin 19, a gas compression cabin 20 and flexible rubber 21; the arc-shaped steel plate 10 is connected with the bearing steel plate 11, the arc-shaped steel plate 10 is used as a stress point at the uppermost end of the well cover, the bearing steel plate 11 is connected with the bearing bulkhead 12 and the return spring 13, the bearing bulkhead 12 is connected with the flexible sealing rubber 15 to form a sealed cabin, in order to ensure that the bearing steel plate 11 has a threshold value when in descending displacement, the bearing bulkhead 12 is connected with the limit bearing base 14, meanwhile, two limit position clamping brackets 16 are arranged on the outer ring of the return spring 13 and are used as components of limiting positions, the sealing cabin is filled with liquid media 17, when objects pass through the arc-shaped steel plate 10, the well cover can be displaced downwards, after the sealing cabin is compressed, the liquid media 17 can be pressed into the liquid compression cabin 19, then the liquid compression cabin 19 and the gas compression cabin 20 form dynamic balance, the liquid media 17 generated in the middle process flow to drive the rotation of the turbine generator 18, the mechanical energy is converted into electric energy, and the flexible rubber 21 is used as media for liquid and gas buffering.
The sink node well lid electric energy storage circuit module 7 comprises a generator, a rectifying circuit and a voltage stabilizing circuit; the rectifying circuit and the voltage stabilizing circuit are composed of a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a diode D6, a diode D7, a diode D8, a capacitor C1, a capacitor C2, a battery, a resistor R1, a light emitting diode LED and a chip LM 7805; the three-phase of the generator is characterized in that L1 is connected with the positive electrode of a diode D1, the negative electrode of a diode D4, L2 is connected with the positive electrode of a diode D2, the negative electrode of a diode D5, L3 is connected with the positive electrode of a diode D3, the negative electrode of a diode D6 is connected with the 1 # port of a chip LM7805, the three-phase of the generator is also connected with one end of a capacitor C1, the positive electrodes of a diode D4, a diode D5 and a diode D6 are all connected with the 2 # port of a chip LM7805, the other end of a capacitor C1 is also connected with the 2 # port of a chip LM7805, the 3 # port of a chip LM7805 is connected with the other end of a capacitor C2 and the positive electrode of a diode D7, the negative electrode of a diode D7 is connected with one end of a resistor R1, the other end of a resistor R1 is connected with the positive electrode of a light emitting diode LED, the negative electrode of a light emitting diode is connected with the 2 # port of a chip LM7805, the negative electrode of a battery 788 is also connected with the positive electrode of a battery LM 8, and the negative electrode of the battery is connected with the positive electrode of the battery 788.
The beneficial effects of the invention are as follows:
the intelligent well lid can automatically generate electricity and can upload the current state of the well lid in real time. Meanwhile, the communication network of the ZigBee ad hoc network is utilized to enlarge the data acquisition range, reduce the energy consumption and provide a large amount of basic data for the smart city;
according to the invention, the real-time state information of the well lid in the road of the whole city is mastered in real time through the intelligent well lid, and the well lid in the road of the city can be processed in time when a problem occurs, so that the safety of the well lid in the road of the city is ensured;
the ZigBee communication network of the self-organizing network ensures the minimum energy consumption and the maximum information acquisition range of the manhole cover, and has great application value because the self-organizing network meets the actual demands of people.
Drawings
FIG. 1 is a block diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a pressure generating well lid structure of a sink node well lid of the present invention;
FIG. 3 is a schematic circuit diagram of an electrical energy storage circuit module of a sink manhole cover according to the present invention;
fig. 4 is a schematic circuit diagram of a ZigBee module in a fixed node well lid signal transmitting module and a sink node well lid signal receiving/transmitting module circuit according to the present invention;
FIG. 5 is a schematic diagram of a signal receiving/transmitting circuit in a fixed node well lid signal transmitting module and a sink node well lid signal receiving/transmitting module circuit according to the present invention;
FIG. 6 is a schematic circuit diagram of a well lid status self-checking module of the present invention;
FIG. 7 is a schematic circuit diagram of a manhole cover GPS positioning module of the present invention;
FIG. 8 is a schematic circuit diagram of a well lid battery power monitoring module of the present invention;
FIG. 9 is a schematic circuit diagram of the manhole cover anti-theft module of the present invention;
fig. 10 is a star-shaped ad hoc network state diagram of the manhole cover based on ZigBee.
The reference numerals in fig. 1-10: the system comprises a 1-well lid state self-checking module, a 2-well lid anti-theft module, a 3-well lid battery electric quantity monitoring module, a 4-well lid GPS positioning module, a 5-fixed node well lid signal transmitting module, a 6-sink node well lid pressure power generation well lid, a 7-sink node well lid electric energy storage circuit module, an 8-sink node well lid signal receiving/transmitting module, a 9-cloud server, a 10-arc-shaped steel plate, a 11-bearing steel plate, a 12-bearing bulkhead, a 13-reset spring, a 14-limit bearing base, a 15-flexible sealing rubber, a 16-limit position clamping support, a 17-liquid medium, a 18-turbine generator, a 19-liquid compression cabin, a 20-gas compression cabin and 21-flexible rubber.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
Example 1: as shown in fig. 1-10, an embedded manhole cover status self-checking system based on Zigbee ad hoc network comprises a fixed node manhole cover, a sink node manhole cover, and a cloud server 9;
the fixed node well lid comprises a first well lid state self-checking module 1, a first well lid anti-theft module 2, a first well lid battery electric quantity monitoring module 3, a first well lid GPS positioning module 4, a fixed node well lid signal sending module 5 and a fixed well lid;
the sink node well lid comprises a second well lid state self-checking module 1, a second well lid anti-theft module 2, a second well lid battery electric quantity monitoring module 3, a second well lid GPS positioning module 4, a sink node well lid pressure power generation well lid 6, a sink node well lid electric energy storage circuit module 7 and a sink node well lid signal receiving/transmitting module 8;
the first well lid state self-checking module 1, the first well lid anti-theft module 2, the first well lid battery electric quantity monitoring module 3, the first well lid GPS positioning module 4 and the fixed node well lid signal transmitting module 5 are all integrated on the fixed well lid; the first well lid state self-checking module 1, the first well lid anti-theft module 2, the first well lid battery electric quantity monitoring module 3 and the first well lid GPS positioning module 4 are all connected with the fixed node well lid signal sending module 5;
the second well lid state self-checking module 1, the second well lid anti-theft module 2, the second well lid battery electric quantity monitoring module 3 and the second well lid GPS positioning module 4 are integrated on the sink node well lid pressure power generation well lid 6; the sink node well lid pressure power generation well lid 6 is connected with the sink node well lid electric energy storage circuit module 7, the sink node well lid electric energy storage circuit module 7 is connected with the sink node well lid signal receiving/transmitting module 8, and the second well lid state self-checking module 1, the second well lid anti-theft module 2, the second well lid battery electric quantity monitoring module 3 and the second well lid GPS positioning module 4 are connected with the sink node well lid signal receiving/transmitting module 8;
the fixed node well lid signal transmitting module 5 is connected with the sink node well lid signal receiving/transmitting module 8 to form a ZigBee network, and the sink node well lid signal receiving/transmitting module 8 is connected with the cloud server 9 through an antenna;
the first well lid state self-checking module 1 and the second well lid state self-checking module 1 comprise enameled wires and an inverter 74LS04; the enameled wire is embedded in the fixed manhole cover or the sink node manhole cover pressure power generation manhole cover 6, one end of the enameled wire is connected with the VCC, the other end of the enameled wire is connected with the input end of the inverter 74LS04, and the output end of the inverter 74LS04 is connected with the P1.1 (Vout) of the ZigBee module chip CC2530 of the fixed node manhole cover signal transmitting module 5 or the sink node manhole cover signal receiving/transmitting module 8.
As a further scheme of the invention, the fixed node well lid adopts a storage battery to supply power, the sink node well lid generates power through the sink node well lid pressure power generation well lid 6, the quantity of the fixed node well lids is more than that of the sink node well lids on the whole road, the fixed node well lids perform state self-checking on the fixed node well lids through the built-in first well lid state self-checking module 1 to obtain state information thereof, the first well lid battery power monitoring module 3 acquires power information thereof, the first well lid GPS positioning module 4 acquires positioning information thereof, the ZigBee module of the fixed node well lids is used for transmitting the positioning information thereof to the sink node well lids, the sink node well lids perform state self-checking on the fixed node well lids through the built-in second well lid state self-checking module 1 at the same time, the second well lid battery power monitoring module 3 acquires power information thereof, the second well lid GPS positioning module 4 acquires positioning information thereof, and the fixed node signal receiving/transmitting module 8 is collected to the sink node well lids, the whole ZigBee star topology network formed by the sink node well lids and the fixed node well lids is transmitted to a cloud server, and the real-time master real-time state information of the well lids, power information of the well lids and the positioning information of the power of the sink node well lids of the whole city is mastered through the cloud servers.
As a further scheme of the invention, the first well cover anti-theft module 2 and the second well cover anti-theft module 2 have the same structure and comprise a capacitor C17, a capacitor C18, an inductor L4, a relay and a chip TX125; the pins MODE1, MODE3, MODE4 of the chip TX125 are commonly connected to one end of the inductor L4, the pin VCC of the chip TX125 is connected to one end of the capacitor C17 and one end of the capacitor C18, and then connected to the other end VCC of the inductor L4, the pin GND of the chip TX125 is connected to the other ends of the capacitor C17 and the capacitor C18, and then grounded, the pins TX1 and TX2 of the chip TX125 are respectively connected to one end of the relay, the TXD of the pin of the chip TX125 is connected to P0.0 of the chip CC2530, and the STATUS of the pin of the chip TX125 is connected to P0.1 of the chip CC2530.
As a further scheme of the invention, the first well lid battery electric quantity monitoring module 3 and the second well lid battery electric quantity monitoring module 3 have the same structure and respectively comprise a resistor R4, a resistor R5, a diode D9, a chip LM232 and a battery; the positive electrode of the battery is connected with one end of the resistor R4 and the No. 4 pin of the chip LM232, the other end of the resistor R4 is connected with the No. 3 pin of the chip LM232, the negative electrode of the battery is connected with one end of the resistor R5 and the positive electrode of the diode D9, then grounded, the negative electrode of the diode D9 is connected with the No. 3 pin of the chip LM232, the other end of the resistor R5 is connected with the No. 2 pin of the chip LM232, and therefore the positive electrode and the negative electrode of the voltage source are respectively connected with the LM232 chip after being connected with the protection resistor to form voltage comparison, the No. 5 pin of the chip LM232 is grounded, and the No. 1 pin of the chip LM232 is used as the P1.3 of the output connection chip CC2530.
As a further scheme of the invention, the first well lid GPS positioning module 4 and the second well lid GPS positioning module 4 have the same structure and comprise a chip EM411 and an inverter 74LS04; the pin 3 TX of the chip EM411 is connected to the input end of the inverter 74LS04, the output end of the inverter 74LS04 is connected to the input end of another inverter 74LS04, the output end of another inverter 74LS04 is connected to the P1.4 of the chip CC2530, the pin 4 RX of the chip EM411 is connected to the P1.5 of the chip CC2530, and the geographic position of the device can be obtained by the two pins; the pin 1 and the pin 5 of the chip EM411 are commonly grounded, and the pin 2 of the chip EM411 is connected with 5V voltage.
As a further scheme of the invention, the fixed node well lid signal transmitting module 5 and the sink node well lid signal receiving/transmitting module 8 are mainly composed of a ZigBee module and a signal receiving/transmitting circuit, wherein the ZigBee module comprises a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, a capacitor C10, a capacitor C11, a resistor R2, a resistor R3, a crystal oscillator Y1, a crystal oscillator Y2 and a wireless chip CC2530; the module is used as a fixed node well lid signal sending module, and meanwhile, a ZigBee network is formed by the module and a sink node well lid signal receiving/sending module formed by the module, and signals are transmitted to a cloud server 9 through an antenna; the ZigBee module circuit comprises two crystal oscillator circuits, a reset circuit and a protection circuit; the chip CC2530 pin XOSC_Q1 and XOSC_Q2 are respectively connected with one end of the crystal oscillator Y2, then respectively connected with one end of the capacitor C8 and one end of the capacitor C9, the other ends of the capacitor C8 and the capacitor C9 are commonly grounded, the chip CC2530 pin P2.3 and the chip CC2530 pin P2.4 are respectively connected with one end of the crystal oscillator Y1, then respectively connected with one end of the capacitor C4 and one end of the capacitor C5, the other ends of the capacitor C4 and the capacitor C5 are commonly grounded, the crystal oscillator circuit enables the working frequency of the chip CC2530 single-chip microcomputer controller to be always kept at a reference frequency, the chip CC2530 pin RESET is connected with one end of the capacitor C11 and one end of the resistor R3, the other end of the capacitor C11 is connected with 5V voltage, and the other end of the resistor R3 is grounded. The chip CC2530 pin RBLAS is connected with one end of a resistor R2, the other end of the resistor R2 is grounded, the chip CC2530 pin AVDD6 and DVDD1 are commonly connected with one end of a capacitor C6 and a circuit commonly connected with AVDD1-5, one end of a capacitor C7 and 3.3V voltage are connected to the circuit, the other ends of the capacitor C6 and the capacitor C7 are grounded, the chip CC2530 pin DVDD2 is connected with one end of a capacitor C10, the other end of the capacitor C10 is grounded, the chip CC2530 pin DCOUPL is connected with one end of a capacitor C3, the other end of the capacitor C3 is grounded, and the pins P1 and P0 of the chip CC2530 are used as signal receiving I/O ports; as an access port of external equipment, the device can perform signal transmission work; the DVDD2 pin of the chip CC2530 is connected with the capacitor C10 to form a filter circuit, the DCOUPL pin of the chip CC2530 is connected with the capacitor C3 to form a filter circuit, and the common connection circuits can ensure the voltage conversion requirements of other peripheral devices;
the chip CC2530 pin RF_ N, RF _P is used as a connection point of a signal receiving/transmitting circuit, and the signal receiving/transmitting circuit comprises a capacitor C12, a capacitor C13, a capacitor C14, a capacitor C15, a capacitor C16, an inductor L1, an inductor L2, an inductor L3 and an antenna; the chip CC2530 pin RF_N is connected with one end of the capacitor C12, the other end of the capacitor C12 is connected with one end of the inductor L1 and one end of the inductor L2, the chip CC2530 pin RF_P is connected with one end of the capacitor C13, the other end of the capacitor C13 is connected with one end of the inductor L1 and one end of the inductor L3 and one end of the capacitor C14, the other end of the inductor L3 is grounded, the other ends of the inductor L2 and the capacitor C14 are connected with one ends of the capacitor C15 and the capacitor C16 together, the other end of the capacitor C15 is grounded, and the other end of the capacitor C16 is connected with an antenna.
As a further scheme of the invention, the sink node manhole cover pressure power generation manhole cover 6 comprises an arc-shaped steel plate 10, a bearing steel plate 11, a sealing bulkhead 12, a return spring 13, a limit bearing base 14, flexible sealing rubber 15, a limit position clamping support 16, a liquid medium 17, a turbine generator 18, a liquid compression cabin 19, a gas compression cabin 20 and flexible rubber 21; the arc-shaped steel plate 10 is connected with the bearing steel plate 11, the arc-shaped steel plate 10 is used as a stress point at the uppermost end of the well cover, the bearing steel plate 11 is connected with the bearing bulkhead 12 and the return spring 13, the bearing bulkhead 12 is connected with the flexible sealing rubber 15 to form a sealed cabin, in order to ensure that the bearing steel plate 11 has a threshold value when in descending displacement, the bearing bulkhead 12 is connected with the limit bearing base 14, meanwhile, two limit position clamping brackets 16 are arranged on the outer ring of the return spring 13 and are used as components of limiting positions, the sealing cabin is filled with liquid media 17, when objects pass through the arc-shaped steel plate 10, the well cover can be displaced downwards, after the sealing cabin is compressed, the liquid media 17 can be pressed into the liquid compression cabin 19, then the liquid compression cabin 19 and the gas compression cabin 20 form dynamic balance, the liquid media 17 generated in the middle process flow to drive the rotation of the turbine generator 18, the mechanical energy is converted into electric energy, and the flexible rubber 21 is used as media for liquid and gas buffering.
As a further scheme of the invention, the sink node well lid electric energy storage circuit module 7 comprises a generator, a rectifying circuit and a voltage stabilizing circuit; the rectifying circuit and the voltage stabilizing circuit are composed of a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a diode D6, a diode D7, a diode D8, a capacitor C1, a capacitor C2, a battery, a resistor R1, a light emitting diode LED and a chip LM 7805; the three-phase of the generator is characterized in that L1 is connected with the positive electrode of a diode D1, the negative electrode of a diode D4, L2 is connected with the positive electrode of a diode D2, the negative electrode of a diode D5, L3 is connected with the positive electrode of a diode D3, the negative electrode of a diode D6 is connected with the 1 # port of a chip LM7805, the three-phase of the generator is also connected with one end of a capacitor C1, the positive electrodes of a diode D4, a diode D5 and a diode D6 are all connected with the 2 # port of a chip LM7805, the other end of a capacitor C1 is also connected with the 2 # port of a chip LM7805, the 3 # port of a chip LM7805 is connected with the other end of a capacitor C2 and the positive electrode of a diode D7, the negative electrode of a diode D7 is connected with one end of a resistor R1, the other end of a resistor R1 is connected with the positive electrode of a light emitting diode LED, the negative electrode of a light emitting diode is connected with the 2 # port of a chip LM7805, the negative electrode of a battery 788 is also connected with the positive electrode of a battery LM 8, and the negative electrode of the battery is connected with the positive electrode of the battery 788.
The working principle of the invention is as follows:
the first well lid state self-checking module 1 and the second well lid state self-checking module 1 are respectively used for detecting states of the fixed node well lid and the sink node well lid; as shown in fig. 6;
the first well lid state self-checking module 1 and the second well lid state self-checking module 1 comprise enameled wires and an inverter 74LS04; the enameled wire is embedded in the fixed manhole cover or the sink node manhole cover pressure power generation manhole cover 6, one end of the enameled wire is connected with the VCC, the other end of the enameled wire is connected with the input end of the inverter 74LS04, and the output end of the inverter 74LS04 is connected with the ZigBee module chip CC2530 of the fixed node manhole cover signal transmitting module 5 or the sink node manhole cover signal receiving/transmitting module 8. When the fixed node well lid or the sink node well lid is normal, the output signal of the phase inverter is low voltage, when the fixed node well lid or the sink node well lid is abnormal, the embedded enameled wire is broken, an instantaneous low voltage can be obtained, and a high voltage is generated through the phase inverter 72LS 04. The output signal is connected with P1.1 (Vout) of the ZigBee module chip CC2530 through the output end of the inverter 74LS 04.
The first well cover anti-theft module 2 and the second well cover anti-theft module 2 are used for preventing theft of the fixed node well cover or the sink node well cover; the fixed node well lid or the sink node well lid is controlled to be opened and closed through an electric signal, if the well lid is required to be normally opened, the communication background of the ZigBee module authorizes the opening of the well lid, signals are sent to the chip CC2530, TXD of a pin of the chip TX125 is connected with P0.0 of the chip CC2530, STATUS of the pin of the chip TX125 is connected with P0.1 of the chip CC2530, an authorization signal is obtained, and the fixed node well lid or the sink node well lid is opened.
The first well lid battery electric quantity monitoring module 3 and the second well lid battery electric quantity monitoring module 3 are used for monitoring the electric quantity of a voltage source, judging the electric quantity through monitoring the voltage, and transmitting electric quantity information to the fixed node well lid signal transmitting module 5 or the sink node well lid signal receiving/transmitting module 8;
the first well lid GPS positioning module 4 and the second well lid GPS positioning module 4 are used for detecting positioning information of the fixed node well lid and the sink node well lid and transmitting the positioning information to the fixed node well lid signal transmitting module 5 or the sink node well lid signal receiving/transmitting module 8;
when the generator generates electricity, the generated electric energy is turbulent current electricity and three-phase electricity with different voltages, the generated electricity firstly passes through a rectifying circuit, the voltage is rectified by utilizing a diode D1, a diode D2, a diode D3, a diode D4, a diode D5 and a diode D6, and the electric energy output after passing through the rectifying circuit enters a voltage stabilizing circuit and is subjected to voltage stabilizing treatment through an LM7805 chip. The harmonic wave in the electricity is processed through the diode D7, the diode D8, the capacitor C1, the capacitor C2 and the chip LM7805, meanwhile, the obtained electric energy is the electricity with the same phase and the same current through comparison, when the voltage is unstable, the light-emitting diode can be lightened to serve as a reminder, and finally the electric energy is stored through the storage battery.
The invention mainly carries out self-networking on a fixed node well lid and a sink node well lid, the fixed node well lid can send collected information to the sink node well lid through a signal receiving/sending circuit in a fixed node well lid signal sending module 5 through a ZigBee module in the two well lids, finally the sink node can send the information to a cloud server, the concrete data of the well lid state in the whole urban road can be seen in the background, in order to ensure the maximization of the monitoring range and the minimization of the energy consumption of a sensor, the fixed node well lid is powered by a storage battery, a first well lid battery electric quantity monitoring module 3 is configured, the information can be timely reported when the energy is insufficient, the safety of the well lid is ensured, in order to ensure the minimum energy consumption, an operation and maintenance personnel can quickly find out the electricity shortage well lid and the problematic well lid according to the positioning information of the well lid, and meanwhile, a radio frequency anti-theft well lid based on CC2530 is designed. The sink node well lid also has the basic function of a fixed node, can directly send to the cloud without information jump, and simultaneously generates power in a self-generating mode in order to ensure orderly operation of the whole system, the generated power is stored in a battery through a rectifying and voltage stabilizing circuit, electric energy is not provided for the source of the sink node well lid, and the sink node well lid is installed in a road with large traffic flow in order to ensure enough electric energy. And the greedy algorithm is utilized to optimally control the manhole cover pressure sensing belt system of the ZigBee ad hoc network, so that the balance optimization of maximizing the information acquisition range and minimizing the system energy consumption is ensured.
When the pressure power generation well lid 6 of the fixed well lid or the sink node well lid is normal, the output signal of the inverter 74LS04 is low voltage, and when the pressure power generation well lid 6 of the fixed well lid or the sink node well lid is abnormal, the embedded enameled wire is broken, so that an instantaneous low voltage can be obtained, and a high voltage is generated through the inverter 72LS 04; the output signal is transmitted to a ZigBee module chip CC2530 of a fixed node well lid signal transmitting module 5 or a sink node well lid signal receiving/transmitting module 8 through the output end of an inverter 74LS04; the fixed node well lid signal sending module 5 sends signals to the sink node well lid signal receiving/sending module 8, and the signals are sent to the cloud server 9 through the sink node well lid signal receiving/sending module 8.
The specific embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (6)
1. An embedded well lid state self-checking system based on Zigbee ad hoc network, its characterized in that: the system comprises a fixed node well lid, a sink node well lid and a cloud server;
the fixed node well lid comprises a first well lid state self-checking module, a first well lid anti-theft module, a first well lid battery electric quantity monitoring module, a first well lid GPS positioning module, a fixed node well lid signal sending module and a fixed well lid;
the sink node well lid comprises a second well lid state self-checking module, a second well lid anti-theft module, a second well lid battery electric quantity monitoring module, a second well lid GPS positioning module, a sink node well lid pressure power generation well lid, a sink node well lid electric energy storage circuit module and a sink node well lid signal receiving/transmitting module;
the first well lid state self-checking module, the first well lid anti-theft module, the first well lid battery electric quantity monitoring module, the first well lid GPS positioning module and the fixed node well lid signal transmitting module are all integrated on the fixed well lid; the first well lid state self-checking module, the first well lid anti-theft module, the first well lid battery electric quantity monitoring module and the first well lid GPS positioning module are all connected with the fixed node well lid signal sending module;
the second well lid state self-checking module, the second well lid anti-theft module, the second well lid battery electric quantity monitoring module and the second well lid GPS positioning module are integrated on the sink node well lid pressure power generation well lid; the sink node well lid pressure power generation well lid is connected with the sink node well lid electric energy storage circuit module, the sink node well lid electric energy storage circuit module is connected with the sink node well lid signal receiving/transmitting module, and the second well lid state self-checking module, the second well lid anti-theft module, the second well lid battery electric quantity monitoring module and the second well lid GPS positioning module are all connected with the sink node well lid signal receiving/transmitting module;
the fixed node well lid signal transmitting module is connected with the sink node well lid signal receiving/transmitting module to form a ZigBee network, and the sink node well lid signal receiving/transmitting module is connected with the cloud server through an antenna;
the first well lid state self-checking module and the second well lid state self-checking module both comprise enameled wires and inverters 74LS04; the enameled wire is embedded in the fixed manhole cover or the sink node manhole cover pressure power generation manhole cover, one end of the enameled wire is connected with VCC, the other end of the enameled wire is connected with the input end of the inverter 74LS04, and the output end of the inverter 74LS04 is connected with the ZigBee module chip CC2530 of the fixed node manhole cover signal transmitting module or the sink node manhole cover signal receiving/transmitting module;
the sink node well lid pressure power generation well lid comprises an arc-shaped steel plate, a bearing steel plate, a sealing bulkhead, a reset spring, a limit bearing base, flexible sealing rubber, a limit position clamping support, a liquid medium, a turbine generator, a liquid compression cabin, a gas compression cabin and flexible rubber; the arc steel plate is connected with the bearing steel plate, the arc steel plate is used as a stress point at the uppermost end of the well lid, the bearing steel plate is connected with the bearing bulkhead and the return spring, the bearing bulkhead is connected with flexible sealing rubber to form a sealed cabin, in order to ensure that the bearing steel plate has a threshold value when in descending displacement, the bearing bulkhead is connected with a limit bearing base, meanwhile, the outer ring of the return spring is provided with two limit position clamping brackets as components in limited positions, the sealed cabin is filled with liquid medium, when an object passes through the arc steel plate, a downward displacement is generated on the well lid, after the sealed cabin is compressed, the liquid medium is pressed into the liquid compression cabin, then the liquid compression cabin and the gas compression cabin form dynamic balance, the liquid medium generated in the middle process flows to drive the rotation of the turbine generator, the mechanical energy is converted into electric energy, and the flexible rubber is used as the medium for buffering liquid and gas;
the first well cover anti-theft module and the second well cover anti-theft module have the same structure and comprise a capacitor C17, a capacitor C18, an inductor L4, a relay and a chip TX125; the pins MODE1, MODE3, MODE4 of the chip TX125 are commonly connected to one end of the inductor L4, the pin VCC of the chip TX125 is connected to one end of the capacitor C17 and one end of the capacitor C18, and then connected to the other end VCC of the inductor L4, the pin GND of the chip TX125 is connected to the other ends of the capacitor C17 and the capacitor C18, and then grounded, the pins TX1 and TX2 of the chip TX125 are respectively connected to one end of the relay, the TXD of the pin of the chip TX125 is connected to P0.0 of the chip CC2530, and the STATUS of the pin of the chip TX125 is connected to P0.1 of the chip CC2530.
2. The embedded manhole cover state self-checking system based on the Zigbee self-organizing network according to claim 1, wherein the system is characterized in that: the fixed node well lid adopts the battery to supply power, the sink node well lid is through sink node well lid pressure electricity generation well lid from power generation, the quantity of fixed node well lid on whole road is more than sink node well lid, fixed node well lid carries out state self-checking to self through built-in first well lid state self-checking module and obtains its state information, obtain its electric quantity information through first well lid battery power monitoring module collection, obtain its location information through first well lid GPS positioning module, the zigBee module of rethread fixed node well lid sends to sink node well lid department, simultaneously sink node well lid carries out state self-checking to self through built-in second well lid state self-checking module and obtains its state information, obtain its location information through second well lid battery power monitoring module collection, and gather to sink node well lid signal receiving/sending module, whole sink node well lid and the zigBee star topology network that the fixed node well lid constitutes, afterwards, the real-time state information of well lid in the whole city of real-time well lid through sink node well lid of sink node well lid sends to the high in the cloud server, the electric quantity information, location information.
3. The embedded manhole cover state self-checking system based on the Zigbee self-organizing network according to claim 1, wherein the system is characterized in that: the first well lid battery electric quantity monitoring module and the second well lid battery electric quantity monitoring module have the same structure and respectively comprise a resistor R4, a resistor R5, a diode D9, a chip LM232 and a battery; the positive electrode of the battery is connected with one end of the resistor R4 and the No. 4 pin of the chip LM232, the other end of the resistor R4 is connected with the No. 3 pin of the chip LM232, the negative electrode of the battery is connected with one end of the resistor R5 and the positive electrode of the diode D9, and then grounded, the negative electrode of the diode D9 is connected with the No. 3 pin of the chip LM232, the other end of the resistor R5 is connected with the No. 2 pin of the chip LM232, the No. 5 pin of the chip LM232 is grounded, and the No. 1 pin of the chip LM232 is used as the P1.3 of the output connection chip CC2530.
4. The embedded manhole cover state self-checking system based on the Zigbee self-organizing network according to claim 1, wherein the system is characterized in that: the first well lid GPS positioning module and the second well lid GPS positioning module have the same structure and both comprise a chip EM411 and an inverter 74LS04; the pin 3 TX of the chip EM411 is connected to the input end of the inverter 74LS04, the output end of the inverter 74LS04 is connected to the input end of the other inverter 74LS04, the output end of the other inverter 74LS04 is connected to P1.4 of the chip CC2530, the pin 4 RX of the chip EM411 is connected to P1.5 of the chip CC2530, the pins 1 and 5 of the chip EM411 are commonly grounded, and the pin 2 of the chip EM411 is connected to 5V.
5. The embedded manhole cover state self-checking system based on the Zigbee self-organizing network according to claim 1, wherein the system is characterized in that: the fixed node well lid signal transmitting module and the sink node well lid signal receiving/transmitting module are composed of a ZigBee module and a signal receiving/transmitting circuit, wherein the ZigBee module comprises a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, a capacitor C10, a capacitor C11, a resistor R2, a resistor R3, a crystal oscillator Y1, a crystal oscillator Y2 and a wireless chip CC2530; the signals are transmitted to a cloud server through an antenna; the ZigBee module circuit comprises two crystal oscillator circuits, a reset circuit and a protection circuit; the chip CC2530 pin XOSC_Q1 and XOSC_Q2 are respectively connected with one end of the crystal oscillator Y2, then respectively connected with one end of a capacitor C8 and one end of a capacitor C9, the other ends of the capacitor C8 and the capacitor C9 are commonly grounded, the chip CC2530 pin P2.3 and the chip CC 252.4 are respectively connected with one end of the crystal oscillator Y1, then respectively connected with one end of the capacitor C4 and one end of the capacitor C5, the other ends of the capacitor C4 and the capacitor C5 are commonly grounded, the chip CC2530 pin RESET is connected with one end of a capacitor C11 and one end of a resistor R3, the other end of the capacitor C11 is connected with 5V voltage, the other end of the resistor R3 is grounded, the other end of the resistor R2 is grounded, one end of the chip CC2530 pin AVDD6 and the DVDD1 are commonly connected with circuits commonly connected with the capacitor C6, one end of the connecting circuit C7 is connected with 3.3V voltage, the other ends of the capacitor C6 and the capacitor C7 are grounded, the other end of the chip CC2530 pin DVDD2 is connected with the capacitor C10, the other end of the capacitor C10 is connected with the other end of the capacitor C3, and the other end of the capacitor C25 is connected with the other end of the capacitor C3 is connected with the capacitor C30, and one end of the capacitor C3 is connected with the signal interface;
the chip CC2530 pin RF_ N, RF _P is used as a connection point of a signal receiving/transmitting circuit, and the signal receiving/transmitting circuit comprises a capacitor C12, a capacitor C13, a capacitor C14, a capacitor C15, a capacitor C16, an inductor L1, an inductor L2, an inductor L3 and an antenna; the chip CC2530 pin RF_N is connected with one end of the capacitor C12, the other end of the capacitor C12 is connected with one end of the inductor L1 and one end of the inductor L2, the chip CC2530 pin RF_P is connected with one end of the capacitor C13, the other end of the capacitor C13 is connected with one end of the inductor L1 and one end of the inductor L3 and one end of the capacitor C14, the other end of the inductor L3 is grounded, the other ends of the inductor L2 and the capacitor C14 are connected with one ends of the capacitor C15 and the capacitor C16 together, the other end of the capacitor C15 is grounded, and the other end of the capacitor C16 is connected with an antenna.
6. The embedded manhole cover state self-checking system based on the Zigbee self-organizing network according to claim 1, wherein the system is characterized in that: the sink node well lid electric energy storage circuit module comprises a generator, a rectifying circuit and a voltage stabilizing circuit; the rectifying circuit and the voltage stabilizing circuit are composed of a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a diode D6, a diode D7, a diode D8, a capacitor C1, a capacitor C2, a battery, a resistor R1, a light emitting diode LED and a chip LM 7805; the three-phase of the generator is characterized in that L1 is connected with the positive electrode of a diode D1, the negative electrode of a diode D4, L2 is connected with the positive electrode of a diode D2, the negative electrode of a diode D5, L3 is connected with the positive electrode of a diode D3, the negative electrode of a diode D6 is connected with the 1 # port of a chip LM7805, the three-phase of the generator is also connected with one end of a capacitor C1, the positive electrodes of a diode D4, a diode D5 and a diode D6 are all connected with the 2 # port of a chip LM7805, the other end of a capacitor C1 is also connected with the 2 # port of a chip LM7805, the 3 # port of a chip LM7805 is connected with the other end of a capacitor C2 and the positive electrode of a diode D7, the negative electrode of a diode D7 is connected with one end of a resistor R1, the other end of a resistor R1 is connected with the positive electrode of a light emitting diode LED, the negative electrode of a light emitting diode is connected with the 2 # port of a chip LM7805, the negative electrode of a battery 788 is also connected with the positive electrode of a battery LM 8, and the negative electrode of the battery is connected with the positive electrode of the battery 788.
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| CN108414054A (en) * | 2018-05-11 | 2018-08-17 | 湖北民族学院 | Inspection well cover real-time monitoring device and system |
| CN111063169B (en) * | 2019-11-26 | 2024-09-03 | 河北鑫鹏通信设备有限公司 | Intelligent well lid monitoring and alarming system and method |
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