CN111298353A - Water pressure acquisition monitoring system and monitoring method for fire hydrant water supply device - Google Patents
Water pressure acquisition monitoring system and monitoring method for fire hydrant water supply device Download PDFInfo
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- CN111298353A CN111298353A CN202010304168.7A CN202010304168A CN111298353A CN 111298353 A CN111298353 A CN 111298353A CN 202010304168 A CN202010304168 A CN 202010304168A CN 111298353 A CN111298353 A CN 111298353A
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- A62—LIFE-SAVING; FIRE-FIGHTING
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- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
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Abstract
The invention relates to a water pressure acquisition monitoring system and a water pressure acquisition monitoring method for a fire hydrant water supply device, wherein the system comprises a data acquisition processing device, an Internet of things cloud platform, a data visualization platform, a communication transmission unit and a power supply unit, wherein a rubber diaphragm of a pressure transmission device leads the measured water pressure in the fire hydrant to a pressure sensor at the bottom of a cap cover of the fire hydrant for measurement; the data processing unit converts the acquired analog signals into digital signals and calculates the data of the liquid level; the communication transmission unit uploads the collected water pressure data to the Internet of things cloud platform server, and the signal output mode comprises a daily monitoring mode, an alarm triggering mode and an alarm data mode. The installation is simple high-efficient, and the suitability is strong, and control personnel and fire fighter can acquire fire-fighting equipment water pressure and liquid level data in real time, replace traditional monitoring and the mode of patrolling and examining, have improved fire-fighting equipment's reliability and integrity, have solved that current equipment is bulky, continuation of the journey ability is poor, the installation wiring is complicated, influence is surveyed the water quality scheduling problem.
Description
Technical Field
The invention relates to monitoring of the Internet of things of fire-fighting facilities, in particular to a water pressure acquisition monitoring system and a water pressure acquisition monitoring method for a fire hydrant water supply device.
Background
The key parameter acquisition of the fire-fighting facilities is the basis of a fire-fighting Internet of things platform and is the important factor in the construction of intelligent fire fighting. Through carrying out water pressure collection and monitoring to the fire-fighting equipment, can in time report to the police to the staff in order to make quick decision-making and processing when the condition such as pressure is not enough takes place, guarantee fire-fighting equipment integrity and reliability, improve fire rescue efficiency.
In the monitoring technology of the internet of things, the endurance, the cost and the volume of equipment are three attributes which need to be considered most. The traditional sensor remote monitoring equipment has the obvious problems of difficult installation, poor cruising ability, high cost, large volume and the like. Meanwhile, the traditional pressure detection equipment is arranged in a pipeline and is in direct contact with a detected medium, and the influence on the water quality safety is possibly caused. The above problems lead to few practical cases for wireless monitoring systems in the field of fire fighting facilities. The traditional liquid level acquisition method is that a water inlet valve of a liquid level meter is manually opened, the rising height of a buoy is observed, the liquid level height of a water tank/a water pool is read, the actual water storage capacity is calculated according to the sectional area of the water tank/the water pool, and whether the water storage capacity can meet the requirement of fire-fighting water consumption is judged. The traditional manual inspection method has the defects of poor instantaneity and insufficient precision in feeding back fire-fighting liquid level information, has a plurality of hidden dangers, brings a plurality of safety risks, frequently has the condition that a fire-fighting rescue site is lack of water or even has no water, can only supply water through remote water supply, simultaneously has various personnel workload and low efficiency, also causes the hidden dangers caused by a plurality of human factors, and reduces the fire-fighting rescue efficiency.
Disclosure of Invention
In view of the problems in the prior art, the invention provides a water pressure acquisition monitoring platform and a water pressure monitoring method for a fire hydrant water supply system, which realize the acquisition and monitoring of the water pressure and the liquid level of fire-fighting facilities by adopting the techniques of female die pressure sensor acquisition, NB-IoT wireless communication transmission and data visualization analysis, and save a large number of data transmission lines and reduce the later maintenance cost while solving the problems. The power supply unit adopts lithium subcell and HPC power supply structure, its characterized in that: the data acquisition and processing device comprises a sensor acquisition device and a data processing unit, wherein the sensor acquisition device comprises a pressure conduction device and a pressure sensor with a mechanical protection mechanism, the pressure conduction device comprises a conduction tube, a sealing gasket, a rubber diaphragm, a threaded fastener, a sealing disk and a hollow screw, the conduction tube is a tube with bosses at two ends and a hollow inside, the rubber diaphragm is in a convex cap shape, the center of the sealing disk is fixedly provided with the hollow screw with a hollow tube, the sealing disk is fixed on the flat end surface of the boss at one end of the conduction tube, the rubber diaphragm and the sealing disk are fastened into a sealing structure by the threaded fastener through the sealing gasket, the conduction tube is filled with anti-freezing liquid for transmitting pressure, the anti-freezing liquid can adopt alcohol or common anti-freezing agent, the pressure sensor with the mechanical protection structure comprises a glass ball control valve, a shell and a pressure sensor, the front opening is a medium inlet, the glass ball control valve and the pressure sensor are sequentially arranged in the stepped through hole, the rear cover is fixed at the rear port of the shell, a transmission line of the pressure sensor is led out of the shell, one end of the pressure transmission device without a rubber diaphragm is hermetically fixed at the pressure sensor with a mechanical protection structure, the data processing unit comprises a sensor interface, an A/D conversion chip, a main control chip, a communication module, a display screen and an indicator light, the main control chip is respectively connected with the A/D conversion chip and the communication module in a two-way manner and respectively connected with the display screen and the indicator light in a one-way manner, the sensor interface is connected with the A/D conversion chip in a one-way manner, the sensor acquisition device is connected with the data processing unit in a one-way manner, the data acquisition processing device is connected with the communication transmission unit in a one-, the central server of the Internet of things cloud platform is in one-way connection with the visual analysis system of the data visualization platform, the monitoring host is in one-way connection with the equipment interface of the Internet of things cloud platform, the power module is in one-way connection with the data acquisition and processing unit and the communication transmission unit, and the pressure sensor with the mechanical protection structure of the data acquisition and processing device is installed at the bottom of the fire hydrant cap cover and the outer height of the rubber diaphragm of the pressure conduction device is equal to the rated fire hydrant water surface.
The monitoring method comprises the following steps that firstly, a rubber diaphragm of a pressure conduction device leads the pressure of the measured water to a pressure sensor at the bottom of a fire hydrant cap cover for measurement; the data processing unit converts the analog signals acquired by the pressure sensor into digital signals and calculates to obtain liquid level data; thirdly, the communication transmission unit connects fire-fighting equipment and operator NB basic station through NB-IoT module, uploads the water pressure data of gathering to thing networking cloud platform server, and the signal output mode divide into, daily monitoring mode: when each fire fighting equipment water pressure and liquid level data do not exceed the set threshold value, the sensor acquisition device is in a dormant low-power consumption state for a long time, the acquired water pressure and liquid level data are reported to the Internet of things cloud platform server through the NB-IoT network module at regular intervals, the Internet of things cloud center server performs data persistence in a conventional data form at regular intervals, and the Internet of things cloud center server can set the data uploading period of the acquisition device and an alarm triggering mode: when the fire fighting water pressure exceeds a set pressure range, such as a fire fighting facility and a sensor, and breaks down, or when the pressure sensor monitors that the change range of the water pressure is smaller than the normal water taking pressure, such as the water leakage of a fire hydrant, water seepage or even the water shortage, and the water pressure is insufficient, or when the change range of the water pressure monitored by the sensor is larger than the normal water taking pressure, such as the fire hydrant, the pipeline burst risk occurs, the pressure sensor triggers through an analog threshold value, an analog speed, a positive pulse, a negative pulse and a pulse frequency, and actively alarms to the cloud platform of the internet of things, and the alarm data mode is as follows: when the water pressure or liquid level data of the fire-fighting equipment exceeds a set threshold value, the water pressure or liquid level data of the fire-fighting equipment collected by the pressure sensor is reported to the cloud platform server of the Internet of things through the NB-IoT network module in time, and the cloud center server of the Internet of things stores the data in the form of alarm data; and fifthly, the data visualization platform carries out data arrangement, a visualization analysis system is utilized to develop a fire fighting facility water pressure monitoring interface, and the acquired data are sent to a monitoring host screen, a Web end interface and a mobile end interface in a two-dimensional configuration, a three-dimensional model and a GIS form.
The invention has the advantages of simple and efficient installation and strong applicability, replaces the traditional remote monitoring and manual inspection modes, can obtain the water pressure and liquid level data of the fire-fighting equipment in real time by monitoring personnel and fire fighters, improves the reliability and integrity of the fire-fighting equipment, and solves the problems of large volume, poor cruising ability, complex installation and wiring, influence on the water quality to be measured and the like of the existing equipment.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic diagram of a data acquisition processing unit according to the present invention;
FIG. 3 is a schematic view of a pressure sensor of the present invention;
FIG. 4 is a front isometric view of the pressure conduction assembly of the present invention;
FIG. 5 is a rear isometric view of the pressure conduction assembly of the present invention;
FIG. 6 is a schematic view of the hydrant watering apparatus of the present invention;
FIG. 7 is a flow chart of the system operation of the present invention.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-6, a fire hydrant water supply installation water pressure collection monitoring system, including data acquisition processing apparatus, thing networking cloud platform and data visualization platform, communication transmission unit, the power supply unit, communication transmission unit adopts NB-IoT communication module, the power supply unit adopts lithium subcell and HPC power supply structure, data acquisition processing apparatus, including sensor acquisition device and data processing unit, sensor acquisition device includes pressure conduction device and the pressure sensor of tape mechanical protection mechanism, pressure conduction device includes conduction pipe 8, sealed pad 9, rubber diaphragm 10, threaded fastener 11, sealed dish 12 and hollow screw 13.
In the first embodiment, the first step is,
the measured pressure enters the pressure sensor 4 through the medium inlet 1, the pressure directly acts on the concave diaphragm of the sensor 4 to generate micro displacement in direct proportion to the water pressure, the resistance value of a bridge arm of the bridge is changed to generate a differential voltage signal, namely, the conversion from the pressure signal to an electric signal is realized based on the piezoresistive effect, the change of the resistance value is detected by the signal modulation circuit, a standard analog signal corresponding to the water pressure is converted and output, the design diameter of the glass spherical control valve 2 is 5.5mm, the glass spherical control valve is used for plugging an outlet when the concave membrane sensor is broken, the problems of medium leakage and pressure reduction backflow caused after the water pressure exceeds the bearing capacity of the concave membrane are avoided, the structures of the shell 3 and the rear shell 5 of the pressure sensor are used for improving the protection level of the pressure sensor 4 and preventing external impact. The transmission line is used for power supply and voltage signal output of the pressure sensor 4.
The data acquisition and processing unit comprises an analog quantity/digital quantity conversion chip, converts analog voltage acquired by the pressure sensor into digital signals, and then calculates to obtain liquid level data. The main control chip calls an AT instruction set to drive the NB-IoT module, and the acquired water pressure and liquid level state information is uploaded to the Internet of things cloud center server through an LWM2M or CoAP protocol. The main control chip selects STM32L4 series MCU, and communicates with the analog-to-digital converter and NB-IoT module through SPI or UART protocol.
The communication transmission unit NB-IoT module selects an NB35-A communication board, is connected with a fire-fighting facility and an operator NB base station through the NB-IoT module, and uploads the collected water pressure data to the Internet of things cloud platform center server.
The power module adopts a lithium subcell and HPC power supply structure, does not need a power line, and supplies power for the pressure sensor, the data acquisition processing unit and the communication transmission unit device.
In this embodiment, the monitoring terminal utilizes a visual analysis system to develop a fire fighting facility water pressure monitoring interface on the basis of the cloud platform of the internet of things, and the collected data are visually displayed in a two-dimensional configuration mode, a three-dimensional model mode and a GIS mode.
Pressure conduction device, the water pressure value that will be surveyed in the pipeline leads to pressure sensor to measure the collection, it is short to guarantee equipment fixing cycle, and need not to change the outward appearance of fire hydrant, collection system installs in the cap bottom of fire hydrant, in order to improve leakproofness and pressure conduction's accuracy nature, pressure conduction device includes rubber diaphragm 10 and sealed dish 12, rubber diaphragm 10 designs for bellied cap type, constitute seal structure through sealed pad 9 and threaded fastener 11 between rubber diaphragm 10 and the sealed dish 12, the seal structure internal fixation has the hollow screw 13 of taking the hollow tube, be used for to pressure sensor transmission pressure, it has the antifreeze liquid that is used for transmission pressure to fill, antifreeze liquid can adopt alcohol or ordinary antifreeze, wherein fill alcohol and can avoid the frozen problem of pipeline.
As shown in FIG. 6, the hydrant water supply device comprises a water supply pipeline 14, a hydrant body 15, a water outlet 15 and a hydrant cap 17, wherein the water pressure value in the measured pipeline is led to a pressure sensor collecting device 19 through a pressure conduction device, and the bottom of the hydrant cap 17 of the pressure sensor collecting device 19.
As shown in fig. 7, the system water pressure and liquid level acquisition monitoring process,
firstly, a rubber diaphragm 10 of a pressure conduction device leads the measured water pressure to a pressure sensor at the bottom of a cap cover of a fire hydrant for measurement;
the data processing unit converts the analog signals acquired by the pressure sensor into digital signals and calculates to obtain liquid level data;
thirdly, the communication transmission unit is connected with the fire-fighting facility and the operator NB base station through the NB-IoT module, the collected water pressure data is uploaded to the Internet of things cloud platform server, the signal output mode is divided into,
a daily monitoring mode: when the water pressure and liquid level data of each fire fighting facility do not exceed the set threshold value, the sensor acquisition device is in a dormant low-power consumption state for a long time, the acquired water pressure and liquid level data are reported to the Internet of things cloud platform server through the NB-IoT network module at regular intervals, the Internet of things cloud center server performs data persistence in a conventional data form at regular intervals, and the Internet of things cloud center server can set the data uploading period of the acquisition device,
alarm trigger mode: when the fire fighting water pressure exceeds a set pressure range, such as a fire fighting facility and a sensor are in fault, or when the pressure sensor monitors that the change range of the water pressure is smaller than the normal water taking pressure, such as the water leakage, water seepage or even no water condition of a fire hydrant, so that the water pressure is insufficient, or when the sensor monitors that the change range of the water pressure is larger than the normal water taking pressure, such as the fire hydrant has a pipeline burst risk, the pressure sensor actively alarms to the cloud platform of the Internet of things in the modes of analog quantity threshold value triggering, analog quantity speed triggering, positive pulse triggering, negative pulse triggering and pulse frequency triggering,
alarm data mode: when the water pressure or liquid level data of the fire-fighting equipment exceeds the set threshold value, the water pressure or liquid level data of the fire-fighting equipment collected by the pressure sensor is reported to the Internet of things cloud platform server through the NB-IoT network module in time,
fourthly, the cloud center server of the Internet of things performs data storage on the data in an alarm data form;
and fifthly, the data visualization platform carries out data arrangement, a visualization analysis system is utilized to develop a fire fighting facility water pressure monitoring interface, and the acquired data are sent to a monitoring host screen, a Web end interface and a mobile end interface in a two-dimensional configuration, a three-dimensional model and a GIS form.
The advantages are that:
1. the water pressure acquisition device has high installability rate. The installation process to current municipal administration and indoor fire hydrant need not dig broken road, only need install the transformation on the fire hydrant core.
2. The water pressure acquisition device has exquisite structural design. The miniaturized pressure sensor is designed, the problems that the pressure sensor in the market is large in size, high in power consumption and prone to failure and water leakage caused by water hammer effect are solved, and the water hammer effect of 20 times of normal water pressure can be endured on the premise of high sensitivity. Meanwhile, the problem of flow counting of the fire hydrant is solved. The equipment shell has reasonable structural design, and the waterproof performance reaches the IP67 grade.
3. The water pressure acquisition equipment does not influence the safety of the detected water quality. By installing the glass ball-shaped control valve in the pressure sensor, the outlet is blocked when the concave die of the sensor is broken, so that the problems of liquid medium contact and pressure reduction backflow are avoided.
4. The endurance capacity of the water pressure acquisition equipment is outstanding. An NB-IoT communication mode, a lithium sub-battery power supply and an HPC power supply structure are adopted; when the alarm information or the service state of the fire hydrant is monitored daily, at least 1 data message is uploaded every day, the water pressure state data is reported in real time, and the cruising ability of 5-7 years without battery maintenance can be achieved.
Abstract
The invention relates to a water pressure acquisition monitoring system and a water pressure acquisition monitoring method for a fire hydrant water supply device, which comprises a data acquisition processing device, an Internet of things cloud platform, a data visualization platform, a communication transmission unit and a power supply unit, wherein the data acquisition adopts a pressure conduction device and a pressure sensor which are arranged on a fire hydrant top cover to ensure that the height of the pressure conduction device is the same as a threshold value, the data acquisition processing device outputs the data in a daily monitoring mode, an alarm triggering mode and an alarm data mode, and the acquired data can be transmitted to a monitoring host screen, a Web end interface and a mobile end interface in a two-dimensional configuration, a three-dimensional model and a GIS mode through the data processing device, the Internet of things cloud platform and the data visualization platform, so that the system has the advantages of simple and high-efficiency installation and strong applicability, replaces the traditional remote monitoring and manual inspection modes, can acquire the water pressure and liquid, the problems that the existing equipment is large in size, poor in cruising ability, complex in installation and wiring, and influences the water quality to be measured are solved.
Claims (2)
1. The utility model provides a fire hydrant water supply installation water pressure acquisition monitoring system, including data acquisition processing apparatus, thing networking cloud platform and data visualization platform, communication transmission unit, power supply unit, wherein thing networking cloud platform is concatenated by equipment interface, regional server and central server and forms, data visualization platform is by visual analytic system one-way connection monitoring host computer simultaneously, the Web end interface, remove the end interface and constitute, communication transmission unit adopts NB-IoT communication module, power supply unit adopts lithium inferior battery and HPC power supply structure, its characterized in that: the data acquisition processing device, including sensor acquisition device and data processing unit, sensor acquisition device includes pressure conduction device and the pressure sensor who takes mechanical protection to construct, pressure conduction device includes conduction pipe (8), sealed pad (9), rubber diaphragm (10), threaded fastener (11), sealed dish (12) and hollow screw (13), conduction pipe (8) have the boss for both ends, interior hollow pipe, rubber diaphragm (10) are bellied cap type, sealed dish (12) center is fixed with hollow screw (13) of taking the hollow tube, sealed dish (12) are fixed in on the plain end face of conduction pipe (8) one end boss, fasten into seal structure through sealed pad (9) with threaded fastener (11) between rubber diaphragm (10) and sealed dish (12), the intussuseption of conduction pipe (8) is filled with the antifreeze liquid that is used for transmitting pressure, the antifreezing liquid can adopt alcohol or common antifreezing agent, the pressure sensor with a mechanical protection structure comprises a glass ball control valve (2), a shell (3) and a pressure sensor (4), a stepped through hole is arranged in the shell (3), a medium inlet (1) is arranged at the front opening, the glass ball control valve (2) and the pressure sensor (4) are sequentially arranged in the stepped through hole, a rear cover (5) is fixed at the rear port of the shell (3), a transmission line of the pressure sensor (4) is led out of the shell (3), one end of a rubber-free diaphragm (10) of the pressure conduction device is hermetically fixed at the medium inlet (1) of the pressure sensor with the mechanical protection structure, the data processing unit comprises a sensor interface, an A/D conversion chip, a main control chip, a communication module, a display screen and an indicator light, the main control chip is respectively connected with the A/D conversion chip and the communication module in a bidirectional mode, the fire hydrant system comprises a display screen, an indicator light, a sensor interface, an A/D conversion chip, a sensor acquisition device, a data processing unit, a communication transmission unit, an equipment interface, a central server, a monitoring host, a power module, a data acquisition processing unit, a communication transmission unit, a pressure sensor with a mechanical protection structure, a pressure conduction device and a rated fire hydrant cap cover, wherein the sensor interface is in one-way connection with the A/D conversion chip, the sensor acquisition device is in one-way connection with the data processing unit, the data acquisition processing device is in one-way connection with the communication transmission unit, the communication transmission unit is in two-way connection with the equipment interface of the Internet of things cloud platform, the central server of the Internet of things cloud platform is in one-way connection with the visual analysis system of the data visualization platform.
2. The monitoring method of the water pressure acquisition monitoring system of the fire hydrant water supply device, which is adopted by the claim 1, is characterized in that:
the flow of the monitoring method is monitored and,
firstly, a rubber diaphragm (10) of a pressure conduction device leads the pressure of the measured water to a pressure sensor at the bottom of a cap cover of a fire hydrant for measurement;
the data processing unit converts the analog signals acquired by the pressure sensor into digital signals and calculates to obtain liquid level data;
thirdly, the communication transmission unit is connected with the fire-fighting facility and the operator NB base station through the NB-IoT module, the collected water pressure data is uploaded to the Internet of things cloud platform server, the signal output mode is divided into,
a daily monitoring mode: when the water pressure and liquid level data of each fire fighting facility do not exceed the set threshold value, the sensor acquisition device is in a dormant low-power consumption state for a long time, the acquired water pressure and liquid level data are reported to the Internet of things cloud platform server through the NB-IoT network module at regular intervals, the Internet of things cloud center server performs data persistence in a conventional data form at regular intervals, and the Internet of things cloud center server can set the data uploading period of the acquisition device,
alarm trigger mode: when the fire fighting water pressure exceeds a set pressure range, such as a fire fighting facility and a sensor are in fault, or when the pressure sensor monitors that the change range of the water pressure is smaller than the normal water taking pressure, such as the water leakage, water seepage or even no water condition of a fire hydrant, so that the water pressure is insufficient, or when the sensor monitors that the change range of the water pressure is larger than the normal water taking pressure, such as the fire hydrant has a pipeline burst risk, the pressure sensor actively alarms to the cloud platform of the Internet of things in the modes of analog quantity threshold value triggering, analog quantity speed triggering, positive pulse triggering, negative pulse triggering and pulse frequency triggering,
alarm data mode: when the water pressure or liquid level data of the fire-fighting equipment exceeds the set threshold value, the water pressure or liquid level data of the fire-fighting equipment collected by the pressure sensor is reported to the Internet of things cloud platform server through the NB-IoT network module in time,
fourthly, the cloud center server of the Internet of things performs data storage on the data in an alarm data form;
fifthly, the data visualization platform carries out data arrangement and sends the data to a monitoring host screen, a Web end interface and a mobile end interface in a chart form
And (5) sending.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111815497A (en) * | 2020-07-08 | 2020-10-23 | 重庆科技学院 | Sharing system based on fire control thing networking |
| CN111818161A (en) * | 2020-07-09 | 2020-10-23 | 杭州电子科技大学 | Fire extinguisher equipment condition monitoring device based on Internet of things and working method thereof |
| CN113244563A (en) * | 2021-03-25 | 2021-08-13 | 杭州智缤科技有限公司 | Fire hydrant front end control valve closes valve monitoring feedback system |
| CN116557792A (en) * | 2023-07-07 | 2023-08-08 | 杭州智缤科技有限公司 | Low-cost water supply network pipe explosion detection method, device and application |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4668889A (en) * | 1986-06-06 | 1987-05-26 | Adams Donald L | Static overpressure protection system for differential pressure transducer |
| JPH06137983A (en) * | 1992-10-29 | 1994-05-20 | Fujikura Ltd | Semiconductor pressure sensor |
| CN105649143A (en) * | 2016-02-05 | 2016-06-08 | 济宁蓝芯电子科技有限公司 | Intelligent fire hydrant capable of being charged automatically |
| CN107693998A (en) * | 2017-10-31 | 2018-02-16 | 深圳市华士精成科技有限公司 | A kind of fire fighting device water pressure monitoring device and monitoring system |
| CN207970388U (en) * | 2018-01-19 | 2018-10-16 | 上海冠龙阀门自控有限公司 | A kind of intelligence fire hydrant |
| CN208844664U (en) * | 2018-07-04 | 2019-05-10 | 杭州智缤科技有限公司 | A kind of low power-consumption intelligent fire hydrant based on the communication of NB-IoT Internet of Things |
| CN209405566U (en) * | 2018-11-14 | 2019-09-20 | 江苏昂内斯电力科技股份有限公司 | A kind of fire fighting hydraulic pressure monitoring system |
-
2020
- 2020-04-17 CN CN202010304168.7A patent/CN111298353A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4668889A (en) * | 1986-06-06 | 1987-05-26 | Adams Donald L | Static overpressure protection system for differential pressure transducer |
| JPH06137983A (en) * | 1992-10-29 | 1994-05-20 | Fujikura Ltd | Semiconductor pressure sensor |
| CN105649143A (en) * | 2016-02-05 | 2016-06-08 | 济宁蓝芯电子科技有限公司 | Intelligent fire hydrant capable of being charged automatically |
| CN107693998A (en) * | 2017-10-31 | 2018-02-16 | 深圳市华士精成科技有限公司 | A kind of fire fighting device water pressure monitoring device and monitoring system |
| CN207970388U (en) * | 2018-01-19 | 2018-10-16 | 上海冠龙阀门自控有限公司 | A kind of intelligence fire hydrant |
| CN208844664U (en) * | 2018-07-04 | 2019-05-10 | 杭州智缤科技有限公司 | A kind of low power-consumption intelligent fire hydrant based on the communication of NB-IoT Internet of Things |
| CN209405566U (en) * | 2018-11-14 | 2019-09-20 | 江苏昂内斯电力科技股份有限公司 | A kind of fire fighting hydraulic pressure monitoring system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111815497A (en) * | 2020-07-08 | 2020-10-23 | 重庆科技学院 | Sharing system based on fire control thing networking |
| CN111818161A (en) * | 2020-07-09 | 2020-10-23 | 杭州电子科技大学 | Fire extinguisher equipment condition monitoring device based on Internet of things and working method thereof |
| CN113244563A (en) * | 2021-03-25 | 2021-08-13 | 杭州智缤科技有限公司 | Fire hydrant front end control valve closes valve monitoring feedback system |
| CN116557792A (en) * | 2023-07-07 | 2023-08-08 | 杭州智缤科技有限公司 | Low-cost water supply network pipe explosion detection method, device and application |
| CN116557792B (en) * | 2023-07-07 | 2023-10-10 | 杭州智缤科技有限公司 | Low-cost water supply network pipe explosion detection method, device and application |
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Application publication date: 20200619 |
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| RJ01 | Rejection of invention patent application after publication |