CN114018359A - Bridge flood control water level safety alarm system - Google Patents
Bridge flood control water level safety alarm system Download PDFInfo
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- CN114018359A CN114018359A CN202111310075.6A CN202111310075A CN114018359A CN 114018359 A CN114018359 A CN 114018359A CN 202111310075 A CN202111310075 A CN 202111310075A CN 114018359 A CN114018359 A CN 114018359A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 195
- 238000001514 detection method Methods 0.000 claims abstract description 53
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 239000003990 capacitor Substances 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 10
- 229920003023 plastic Polymers 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 10
- 230000003068 static effect Effects 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 abstract 3
- 238000007789 sealing Methods 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- Engineering & Computer Science (AREA)
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- Business, Economics & Management (AREA)
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- Emergency Alarm Devices (AREA)
Abstract
The invention provides a bridge flood control water level safety alarm system, which belongs to the technical field of water level detection and comprises a first water level detection unit, a second water level detection unit, a bridge head alarm prompt unit and a cloud control platform server. After the river course water level at the bridge rises, exceed the safety precaution line, in time issue the alarm at the bridgehead, the suggestion public is cautious current, upload the server to the data, people can in time look over whether the bridge of the route of trip can pass through the cell-phone, it more saves the power to set up trigger switch circuit, just send signal when triggering the warning water level, wireless module at ordinary times need not work, more power saving, the level sensor who sets up can self-cleaning, timely cleanness such as some silt or spiral shell of sensor inside can be to regularly clean, avoid the sensor not to do badly, the quality of clear in-process regular inspection sensor, realize the automated inspection quality, do not need the quality of frequent inspection sensor, more save manpower and materials, the staff does not need the more safety of riverside.
Description
Technical Field
The invention relates to the technical field of water level detection, in particular to a bridge flood control water level safety alarm system.
Background
The bridge is built on the river channel, and river water has very strong impact force to the bridge pier, and the influence of the water level of river channel to the bridge is very big. In each flood season, the river water level rises rapidly, the impact force of the river water on the bridge pier is enhanced, and serious examination is caused on the bridge. People can mark a danger line on the bridge pier, and when river water rises to or above the danger line, the danger to the bridge is great, namely the bridge is easy to collapse. Simultaneously, because can't learn bridge water level height, when boats and ships navigation passes through bridge below navigation channel, extremely easily collide the bridge. During the flood season, in order to guarantee the safe operation of boats and ships, people can observe whether the bridge water level reaches this danger line, so, manpower and materials have greatly been wasted. After the flood level of the existing bridge rises, the flood level exceeds a safety warning line, and an alarm cannot be issued at the bridge head in time to prompt the public to pass cautiously.
Disclosure of Invention
The invention aims to provide a bridge flood control water level safety alarm system, which solves the technical problems mentioned in the background technology. By arranging the automatic detection device, passersby are reminded to detour or avoid in time. The water temperature sensor that sets up simultaneously can self-cleaning and regularly detect good or bad for the security of sensor is higher, avoids the silt in river course to influence the good or bad of sensor simultaneously.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a bridge flood control water level safety alarm system comprises a first water level detection unit, a second water level detection unit, a bridge head alarm prompt unit and a cloud control platform server, wherein the first water level detection unit and the second water level detection unit are arranged at the river side below a bridge and are connected with the bridge head alarm prompt unit in a wireless mode, the bridge head alarm prompt unit is arranged at two ends of the bridge and is connected with the cloud control platform server in a wireless mode, the second water level detection unit is used for detecting whether the water level of a river channel reaches a channel alarm water level of the river channel or not, the first water level detection unit is used for detecting whether the water level of the river channel reaches the alarm water level or not, when the water level reaches the alarm water level, the first water level detection unit and the second water level detection unit automatically send information to the bridge head alarm prompt unit, and when the bridge head alarm prompt unit receives the alarm water level, an alarm is sent to remind bridge crossing personnel to avoid danger or bypass, or the ship running on the river channel is prompted to be in a static navigation state, the cloud control platform server is used for receiving water level alarm data and storing the water level alarm data, the user can know whether the channel of the river can be in the navigation state or not through inquiring the data of the cloud control platform server, and whether the bridge can pass or not.
Further, the bridge head alarm prompting unit comprises a bridge head wireless receiving module, a bridge head display screen, a positioning module, a water level alarm controller, a water level alarm, a bridge head storage battery, a bridge head solar panel, a channel prompting screen and a wireless communication module, wherein the water level detection unit is wirelessly connected with the bridge head wireless receiving module, the bridge head display screen, the positioning module, the channel prompting screen and the water level alarm are all connected with the water level alarm controller, when the water level alarm controller receives the water level alarm, the water level alarm controller controls the water level alarm to give out alarm sound, meanwhile, water level data and prompt bypassing are displayed on the bridge head display screen, the bridge head display screen and the water level alarm are arranged at two ends of the bridge head, when the water level alarm occurs, the water level alarm controller acquires specific position information through the positioning module and transmits the alarm information and the water level to the cloud control platform server through the wireless communication module, communication personnel check whether the water level of bridge reaches the warning water level through the cell-phone, and bridgehead solar panel is connected with the bridgehead battery, and the bridgehead battery is connected the power supply with water level alarm controller and water level alarm, and the channel suggestion screen sets up the both sides at the bridge, and when the river course water level arrived static navigation, the suggestion information display was on the channel suggestion screen.
Furthermore, the first water level detection unit and the second water level detection unit respectively comprise a solar panel, a storage battery, a water level detection wireless module, a trigger switch circuit and a water level sensor, the solar panel is connected with the storage battery, the storage battery is connected with the trigger switch circuit for supplying power, the water level detection wireless module is connected with the water level detection wireless module through the trigger switch circuit, when the water level sensor detects the alarm water level, the trigger switch circuit is automatically triggered and connected, and the water level detection wireless module sends water level alarm information to the bridge head alarm prompt unit.
Furthermore, the trigger switch circuit comprises a first capacitor, a second capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, an adjustable resistor, an amplifier, a power indicator and a switch indicator, wherein the input end of the power indicator is respectively connected with one end of the first capacitor, one end of the second resistor, one end of the adjustable resistor, one end of the third resistor and the input end of the switch indicator, and is connected with a power supply, the output end of the power indicator is connected with the other end of the first capacitor through the first resistor and is grounded, the other end of the second resistor is respectively connected with one end of the water level sensor, the negative input end of the amplifier and one end of the second capacitor, the other end of the second capacitor is connected with the other end of the water level sensor and the other end of the adjustable resistor, and is grounded, the sliding end of the adjustable resistor is connected with the positive input end of the amplifier, the output end of the amplifier is connected with the other end of the third resistor and the other end of the fourth resistor, and serves as an output terminal.
Further, water level sensor includes casing, top closing cap, conducting electrode, hollow metal ball and one and more than one plastic hollow ball, and the top closing cap sets up the top at the casing, and the conducting electrode passes top closing cap one end and sets up the inside at the casing, and hollow metal ball and plastic hollow ball set up in the casing, and hollow metal ball sets up on the top, and the bottom of casing gets into in the water in river course.
Further, level sensor still includes time relay, clean dual-purpose net of filtration, motor and pinion rack, the pinion rack sets up the inside at the both ends wall of casing, and can slide the setting from top to bottom, the motor sets up the top at the casing, time relay is connected with the motor, clean dual-purpose net cover of filtration is established at the casing, clean dual-purpose net of filtration's both ends are connected with the bottom of pinion rack respectively, and slide and the up-and-down motion sets up along with the pinion rack, time relay sets up the rotation of timing time control motor, it slides from top to bottom to drive the pinion rack, the pinion rack drives the inner wall of clean dual-purpose net of filtration clean casing, and simultaneously, when the clean dual-purpose net of filtration rose and withstood the plastics clean shot, clean shot and conductive pole intercommunication, regularly test sensor's quality.
First water level detecting element detects whether the bridge can pass, and second water level detecting element detects whether the channel can pass, and the degree of depth of intaking that second water level detecting element set up is darker than first water level detecting element.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the invention can issue alarm at the bridge head in time to prompt the public to pass cautiously or prompt the ship to stay at the navigation after the river water level of the bridge rises and the alarm exceeds the safety warning line, and simultaneously upload data to the server, people can check whether the bridge on the outgoing route can pass or not and whether the navigation channel can be navigated or not in time through a mobile phone, the trigger switch circuit is arranged to save more electricity, and the signal is sent only when the alarm water level is triggered, so that the wireless module does not work at ordinary times, the electricity is saved, the arranged water level sensor can be cleaned automatically, sludge or snails and the like in the sensor can be cleaned timely through the timed cleaning, the sensor is prevented from being bad, the quality of the sensor is checked regularly in the cleaning process, the automatic detection is realized, people do not need to check the quality of the sensor frequently, and manpower and material resources are saved more, staff does not need to go down the river to be safer.
Drawings
FIG. 1 is a schematic block diagram of the system of the present invention;
FIG. 2 is a schematic diagram of the toggle switch circuit of the present invention;
fig. 3 is a schematic view of the structure of the water level sensor according to the present invention.
In the attached figure, 1-a shell, 2-a top end sealing cover, 3-a conducting electrode, 4-a metal hollow ball, 5-a plastic hollow ball, 6-a clean and filter dual-purpose net, 7-a motor and 8-a toothed plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings by way of examples of preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
As shown in fig. 1, the bridge flood control water level safety alarm system comprises a first water level detection unit, a second water level detection unit, a bridge head alarm prompt unit and a cloud control platform server, wherein the first water level detection unit and the second water level detection unit are arranged at the river side below a bridge and are connected with the bridge head alarm prompt unit through wireless, the bridge head alarm prompt unit is arranged at two ends of the bridge and is connected with the cloud control platform server through wireless, the second water level detection unit is used for detecting whether the water level of a river channel reaches a channel alarm water level of the river channel, the first water level detection unit is used for detecting whether the water level of the river channel reaches the alarm water level, when the water level reaches the alarm water level, the first water level detection unit and the second water level detection unit automatically send information to the bridge head alarm prompt unit, and when the bridge head alarm prompt unit receives the alarm water level, the bridge head alarm prompt unit sends an alarm to remind bridge crossing personnel to avoid danger or bypass, or the ship running on the river channel is prompted to be in a static navigation state, the cloud control platform server is used for receiving water level alarm data and storing the water level alarm data, the user can know whether the channel of the river can be in the navigation state or not through inquiring the data of the cloud control platform server, and whether the bridge can pass or not.
In the embodiment of the invention, the bridge head alarm prompting unit comprises a bridge head wireless receiving module, a bridge head display screen, a positioning module, a water level alarm controller, a water level alarm, a bridge head storage battery, a bridge head solar panel, a channel prompting screen and a wireless communication module, wherein a water level detection unit is wirelessly connected with the bridge head wireless receiving module, the bridge head display screen, the positioning module, the channel prompting screen and the water level alarm are all connected with the water level alarm controller, when the water level alarm controller receives the water level alarm, the water level alarm controller controls the water level alarm to give out alarm sound, meanwhile, water level data and prompt bypassing are displayed on the bridge head display screen, the bridge head display screen and the water level alarm are arranged at two ends of the bridge head, when the water level alarm occurs, the water level alarm controller acquires specific position information through the positioning module and transmits the water level information to the cloud control platform server through the wireless communication module, communication personnel check whether the water level of bridge reaches the warning water level through the cell-phone, and bridgehead solar panel is connected with the bridgehead battery, and the bridgehead battery is connected the power supply with water level alarm controller and water level alarm, and the channel suggestion screen sets up the both sides at the bridge, and when the river course water level arrived static navigation, the suggestion information display was on the channel suggestion screen.
In the embodiment of the invention, the first water level detection unit and the second water level detection unit respectively comprise a solar panel, a storage battery, a water level detection wireless module, a trigger switch circuit and a water level sensor, the solar panel is connected with the storage battery, the storage battery is connected with the trigger switch circuit for supplying power, the water level detection wireless module is connected with the water level detection wireless module through the trigger switch circuit, when the water level sensor detects the alarm water level, the trigger switch circuit is automatically triggered and connected, and the water level detection wireless module sends water level alarm information to the bridge head alarm prompting unit.
In the embodiment of the invention, as shown in fig. 2, the trigger switch circuit comprises a first capacitor, a second capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, an adjustable resistor, an amplifier, a power indicator and a switch indicator, wherein the input end of the power indicator is respectively connected with one end of the first capacitor, one end of the second resistor, one end of the adjustable resistor, one end of the third resistor and the input end of the switch indicator, and is connected with a power supply, the output end of the power indicator is connected with the other end of the first capacitor through the first resistor and is grounded, the other end of the second resistor is respectively connected with one end of a water level sensor, the negative input end of the amplifier and one end of the second capacitor, the other end of the second capacitor is connected with the other end of the water level sensor and the other end of the adjustable resistor, and is grounded, the sliding end of the adjustable resistor is connected with the positive input end of the amplifier, and the output end of the amplifier is connected with the other end of the third resistor and the other end of the fourth resistor and serves as an output end.
In the embodiment of the invention, as shown in fig. 3, the water level sensor comprises a shell 1, a top end sealing cover 2, a conducting electrode 3, a metal hollow sphere 4 and one or more plastic hollow spheres 5, wherein the top end sealing cover 2 is arranged at the top end of the shell 1, one end of the conducting electrode 3 penetrating through the top end sealing cover 2 is arranged inside the shell 1, the metal hollow sphere 4 and the plastic hollow sphere 5 are arranged in the shell 1, the metal hollow sphere 4 is arranged at the top end, and the bottom of the shell 1 enters a water body of a river channel.
The water level sensor still includes time relay, clean dual-purpose net 6 of filtering, motor 7 and pinion rack 8, pinion rack 8 sets up the inside at the both ends wall of casing 1, and can slide the setting from top to bottom, motor 7 sets up the top at casing 1, time relay is connected with motor 7, clean dual-purpose net 6 cover of filtering is established at casing 1, clean dual-purpose net 6's both ends of filtering are connected with the bottom of pinion rack 8 respectively, and slide up-and-down motion along with pinion rack 8 and set up, time relay sets up the rotation of timing time control motor 7, it slides from top to bottom to drive pinion rack 8, pinion rack 8 drives the clean inner wall of casing 1 of dual-purpose net 6 of cleaning and filtering, and simultaneously, clean dual-purpose net (6) of filtering rise when withstanding plastics clean shot 5, hollow metal ball 4 and conductive pole 3 intercommunication, regularly test sensor's quality.
Bridge flood control water level safety alarm system contains water level sensor module, audible and visual alarm loudspeaker, LED warning screen, network communication module and system cloud accuse platform and constitutes, and water level sensor module and audible and visual alarm loudspeaker, LED warning screen wireless connection. The water level sensor is installed on the bridge pier, when the water level rises to a safe 'red line', the wireless signal is sent to the acousto-optic alarm horn and the LED warning screen, the high-decibel alarm horn is started, and meanwhile the LED warning screen displays 'no pass', so that the public is reminded of avoiding danger or going around. Water level monitoring, water prevention, wireless signal transmission and solar power supply. The sound-light alarm horn: the wireless receiving signal, the high decibel alarm sound and the big dipper positioning function send an alarm to the general control cloud platform. LED warning screen, wireless received signal, subtitle customization, waterproof, solar energy power supply. A bridge flood control water level safety alarm system comprises a large screen overview, bridge classification statistics, bridge alarm positioning and issuing.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (6)
1. Bridge flood control water level safety alarm system, its characterized in that: the system comprises a first water level detection unit, a second water level detection unit, a bridge head alarm prompting unit and a cloud control platform server, wherein the first water level detection unit and the second water level detection unit are arranged at the river side below a bridge and are connected with the bridge head alarm prompting unit in a wireless mode, the bridge head alarm prompting unit is arranged at two ends of the bridge and is connected with the cloud control platform server in a wireless mode, the second water level detection unit is used for detecting whether the water level of a river channel reaches a channel alarm water level of the river channel, the first water level detection unit is used for detecting whether the water level of the river channel reaches the alarm water level, when the water level reaches the alarm water level, the first water level detection unit and the second water level detection unit automatically send information to the bridge head alarm prompting unit, and when the bridge head alarm prompting unit receives the alarm water level, an alarm is sent to remind bridge crossing personnel of avoiding danger or bypassing, or the static navigation running on the river channel is prompted, the cloud control platform server is used for receiving the water level alarm data and storing the water level alarm data, a user can know whether the channel of the river can be navigated by navigation or not and whether the bridge can pass or not through the data of the cloud control platform server, and the water inlet depth set by the second water level detection unit is deeper than that set by the first water level detection unit.
2. The bridge flood protection water level safety alarm system of claim 1, wherein: the bridge head alarm prompting unit comprises a bridge head wireless receiving module, a bridge head display screen, a positioning module, a water level alarm controller, a water level alarm, a bridge head storage battery, a bridge head solar panel, a channel prompting screen and a wireless communication module, wherein a water level detection unit is wirelessly connected with the bridge head wireless receiving module, the bridge head display screen, the positioning module, the channel prompting screen and the water level alarm are all connected with the water level alarm controller, when the water level alarm controller receives the water level alarm, the water level alarm is controlled to give out alarm, meanwhile, water level data and prompt bypass are displayed on the bridge head display screen, the bridge head display screen and the water level alarm are both arranged at two ends of the bridge head, when the water level alarm occurs, the water level alarm controller acquires specific position information through the positioning module and transmits the water level alarm information to the cloud control platform server through the wireless communication module, communication personnel check whether the water level of bridge reaches the warning water level through the cell-phone, and bridgehead solar panel is connected with the bridgehead battery, and the bridgehead battery is connected the power supply with water level alarm controller and water level alarm, and the channel suggestion screen sets up the both sides at the bridge, and when the river course water level arrived static navigation, the suggestion information display was on the channel suggestion screen.
3. The bridge flood protection water level safety alarm system of claim 1, wherein: first water level detection unit, second water level detection unit all include solar panel, the battery, water level detection wireless module, trigger switch circuit and level sensor, solar panel is connected with the battery, the battery is connected the power with trigger switch circuit, water level detection wireless module is connected with water level detection wireless module through trigger switch circuit, when level sensor detects the warning water level, trigger switch circuit automatic triggering switch-on, water level detection wireless module sends water level alarm information and gives bridgehead warning suggestion unit.
4. The bridge flood protection water level safety alarm system of claim 3, wherein: the trigger switch circuit comprises a first capacitor, a second capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, an adjustable resistor, an amplifier, a power indicator and a switch indicator, wherein the input end of the power indicator is respectively connected with one end of the first capacitor, one end of the second resistor, one end of the adjustable resistor, one end of the third resistor and the input end of the switch indicator, and is connected with a power supply, the output end of the power indicator is connected with the other end of the first capacitor through the first resistor and is grounded, the other end of the second resistor is respectively connected with one end of a water level sensor, the negative input end of the amplifier and one end of the second capacitor, the other end of the second capacitor is connected with the other end of the water level sensor and the other end of the adjustable resistor and is grounded, the sliding end of the adjustable resistor is connected with the positive input end of the amplifier, the output end of the amplifier is connected with the other end of the third resistor and the other end of the fourth resistor, and serves as an output terminal.
5. The bridge flood protection water level safety alarm system of claim 3, wherein: water level sensor includes casing (1), top closing cap (2), conducting electrode (3), hollow metal ball (4) and one and more than one hollow plastic ball (5), top closing cap (2) set up the top in casing (1), conducting electrode (3) pass top closing cap (2) one end and set up the inside at casing (1), hollow metal ball (4) and hollow plastic ball (5) set up in casing (1), hollow metal ball (4) set up on the top, the bottom of casing (1) gets into in the water in river course.
6. The bridge flood protection water level safety alarm system of claim 5, wherein: the water level sensor also comprises a time relay, a cleaning and filtering dual-purpose net (6), a motor (7) and a toothed plate (8), wherein the toothed plate (8) is arranged inside two end walls of the shell (1) and can be arranged in an up-and-down sliding manner, the motor (7) is arranged at the top end of the shell (1), the time relay is connected with the motor (7), the cleaning and filtering dual-purpose net (6) is sleeved on the shell (1), two ends of the cleaning and filtering dual-purpose net (6) are respectively connected with the bottom of the toothed plate (8) and arranged in an up-and-down movement manner along with the sliding of the toothed plate (8), the time relay is arranged to control the motor (7) to rotate at regular time, the toothed plate (8) is driven to slide up and down, the toothed plate (8) drives the inner wall of the cleaning and filtering dual-purpose net (6) to clean the shell (1), meanwhile, when the cleaning and filtering dual-purpose net (6) rises to prop against the plastic hollow ball (5), the metal hollow ball (4) is communicated with the conductive electrode (3), and testing the quality of the sensor at regular time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111310075.6A CN114018359B (en) | 2021-11-05 | 2021-11-05 | Bridge flood control water level safety alarm system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111310075.6A CN114018359B (en) | 2021-11-05 | 2021-11-05 | Bridge flood control water level safety alarm system |
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| CN114018359A true CN114018359A (en) | 2022-02-08 |
| CN114018359B CN114018359B (en) | 2024-04-12 |
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| CN202111310075.6A Active CN114018359B (en) | 2021-11-05 | 2021-11-05 | Bridge flood control water level safety alarm system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204881783U (en) * | 2015-04-30 | 2015-12-16 | 段鹏翔 | Bridge water level monitoring system |
| CN211576176U (en) * | 2019-10-23 | 2020-09-25 | 广州数字方舟信息技术股份有限公司 | Bridge clear height display system |
| CN211719010U (en) * | 2020-03-19 | 2020-10-20 | 武汉理工大学 | Navigation early warning system for ships in water area of bridge area |
| CN113049058A (en) * | 2019-12-27 | 2021-06-29 | 云启勘测设计有限公司 | Bridge water level monitoring system |
-
2021
- 2021-11-05 CN CN202111310075.6A patent/CN114018359B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204881783U (en) * | 2015-04-30 | 2015-12-16 | 段鹏翔 | Bridge water level monitoring system |
| CN211576176U (en) * | 2019-10-23 | 2020-09-25 | 广州数字方舟信息技术股份有限公司 | Bridge clear height display system |
| CN113049058A (en) * | 2019-12-27 | 2021-06-29 | 云启勘测设计有限公司 | Bridge water level monitoring system |
| CN211719010U (en) * | 2020-03-19 | 2020-10-20 | 武汉理工大学 | Navigation early warning system for ships in water area of bridge area |
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| Publication number | Publication date |
|---|---|
| CN114018359B (en) | 2024-04-12 |
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