CN106959143A - A kind of self adaptation high-precision pressure formula water level monitoring warning device and method - Google Patents
A kind of self adaptation high-precision pressure formula water level monitoring warning device and method Download PDFInfo
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- CN106959143A CN106959143A CN201710172469.7A CN201710172469A CN106959143A CN 106959143 A CN106959143 A CN 106959143A CN 201710172469 A CN201710172469 A CN 201710172469A CN 106959143 A CN106959143 A CN 106959143A
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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
- G01F23/14—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 by measurement of pressure
- G01F23/18—Indicating, recording or alarm devices actuated electrically
- G01F23/185—Indicating, recording or alarm devices actuated electrically for discrete levels
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Abstract
The present invention provides a kind of self adaptation high-precision pressure formula water level monitoring warning device and method, and the water level monitoring warning device is fixed on the outer side wall surface of water tank to be measured, including：Pressure sensor, temperature sensor, acceleration transducer, the micro controller unit being connected respectively with the pressure sensor, temperature sensor and acceleration transducer, the display module being connected with the micro controller unit, the data remote transmitting module being connected with the micro controller unit, and the power module being connected with the micro controller unit.A kind of self adaptation high-precision pressure formula water level monitoring warning device and method provided by the present invention, the adjustment of level measuring can not be carried out according to the change in temperature and geographical position by solving existing fire water box, without warning function and only one water level standard, it is impossible to accurate measurement water level and the problem of safeguard in time.
Description
Technical field
The invention belongs to fire fighting water system monitoring technology field, more particularly to a kind of self adaptation high-precision pressure formula water level
Monitoring alarm and method.
Background technology
Fire water box refers to the fire fighting device for providing water source for fire brigade in fire fighting and rescue activity, on the one hand, make fire-fighting
Feedwater piping is full of water, saves the time that pipeline is full of after fire pump is opened, is gained time to stamp out a fire；On the other hand,
Supercharging, voltage-stabilizing system and the water tank that roof is set can guarantee that the fulling water columm of fire-fighting lance, the success or failure for putting out initial fire disaster
There is decisive role.
In recent years, as Urbanization in China is constantly accelerated, security against fire faces new situation and pressure, in order to ensure
Attendant can safeguard that the water level monitoring of fire water box is just particularly important in time.Due to acceleration of gravity and temperature
Difference can cause the measured deviation of liquid water level, but existing fire water box Level monitor can not according to temperature and
The change in geographical position and make corresponding adjustment, cause level measuring inaccurate；Moreover, existing most of fire water box is only
With water level monitoring function, but without warning function, and only one of which water level standard mostly, attendant can not be clearly
Solve the specific water level conditions inside fire water box and make corresponding maintenance, greatly affected fire rescue work, directly threaten
To the security of the lives and property of the people.
In consideration of it, being necessary that a kind of new self adaptation high-precision pressure formula water level monitoring warning device of design and method are used to
Solve the above problems.
The content of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of self adaptation high-precision pressure formula
Water level monitoring warning device and method, can not be carried out for solving existing fire water box according to the change in temperature and geographical position
The adjustment of level measuring, without warning function and only one water level standard, it is impossible to accurate measurement water level and safeguard in time
Problem.
In order to achieve the above objects and other related objects, the present invention provides a kind of self adaptation high-precision pressure formula water level monitoring
Warning device, is fixed on the outer side wall surface of water tank to be measured, and the water level monitoring warning device includes：
Pressure sensor, for gathering the pressure value of the water tank side to be measured wall, and the pressure value is exported；
Temperature sensor, for gathering the temperature value of the water tank local environment to be measured, and the temperature value is exported；
Acceleration transducer, the gravity acceleration value for gathering the water tank local environment to be measured, and by the gravity
Acceleration magnitude is exported；
Micro controller unit, is connected with the pressure sensor, temperature sensor and acceleration transducer, is used for respectively
The pressure value, temperature value and gravity acceleration value are received, and by the pressure value, temperature value and gravity acceleration value
Tabled look-up, calculated, obtain the current level value of the water tank to be measured, if current level value is more than the high threshold or small of setting
In low level threshold value, then alarm signal is generated, while controlling the transmission of current level value and alarm signal and storing the water level
The sequence number of monitoring alarm；
Display module, is connected with the micro controller unit, the current level value for showing the water tank to be measured, and
Read the sequence number and shown；
Data remote transmitting module, is connected with the micro controller unit, for receiving working as the micro controller unit transmission
Preceding water level value and alarm signal and to background transfer, and receive control command that the backstage sends and to the microcontroller
Unit is transmitted；And
Power module, is connected with the micro controller unit, for being powered for the water level monitoring warning device.
Preferably, the micro controller unit detects its connection status with background communication link, and connection status is believed
Breath sends to display module and shown.
Preferably, the water level monitoring warning device also include fixed part, the installation portion that is connected with the fixed part and
At least one function button being connected with the micro controller unit, wherein, the pressure sensor is installed on the fixed part
On, the display module, function button are mounted on the installation portion surface, the temperature sensor, acceleration transducer, micro-
Controller unit, data remote transmitting module and power module are mounted in the installation portion.
Preferably, the function button is 4, is shown respectively including switching on and shutting down button, sequence number display button, water level value
Button and connection state information display button.
Preferably, the acceleration transducer includes 3-axis acceleration sensor.
Preferably, the display module includes LCDs.
Preferably, the data remote transmitting module is less than using Zigbee, WIFI, BLE, GPRS, LoRa, 3G, LTE or frequency range
One kind in 1G radio communication.
Preferably, the power module includes battery.
The present invention provides the self adaptation high-precision pressure formula water level monitoring warning device described in a kind of utilization any of the above-described
Water level monitoring alarm method is carried out, the water level monitoring alarm method includes：
1) pressure sensor gathers the pressure value of the water tank side to be measured wall, is treated described in the temperature sensor collection
The temperature value of water tank local environment is surveyed, and the acceleration transducer gathers the gravity acceleration of the water tank local environment to be measured
Angle value；
2) micro controller unit gathers the pressure of the pressure sensor, temperature sensor and acceleration transducer output
Force value, temperature value and gravity acceleration value；
3) micro controller unit is searched temperature-water body density meter, obtained and the temperature value according to the temperature value of collection
Corresponding water body density value；
4) micro controller unit calculates the current level value for obtaining the water tank to be measured according to formula h=P/ ρ g, its
In, h is current level value, and P is pressure value, and ρ is water body density value, and g is gravity acceleration value；
5) micro controller unit is by the way that current level value and the high threshold of setting are compared, if current level
Value is less than high threshold, skips to 6)；If current level value is more than high threshold, skip to 7)；
6) current level value and the low level threshold value of setting are compared by the micro controller unit, if current level value is big
In low level threshold value, the micro controller unit sends current level value to backstage；If current level value is less than low level threshold value,
Skip to 7)；
7) micro controller unit sends current level value and alarm signal to backstage.
As described above, the present invention a kind of self adaptation high-precision pressure formula water level monitoring warning device and method, with
Lower beneficial effect：
1. water level monitoring warning device of the present invention and method are led to by setting temperature sensor and acceleration transducer
The temperature value and gravity acceleration value using temperature sensor and acceleration transducer collection fire water box local environment are crossed, and will
It is used for water level amendment, can accurately measure the water level of fire water box under different dimensions, different temperatures, it is to avoid fire water box because
Temperature or the difference of acceleration of gravity cause level measuring deviation.
2. water level monitoring warning device of the present invention and method by by current level value respectively with high threshold and low
Position threshold value is compared, if current level value is more than high threshold or less than low level threshold value, is sent warning message to backstage, is made
The attendant's water level conditions that can become apparent from, understand in time in fire water box, and timely and effectively accordingly safeguarded
Work.
3. water level monitoring warning device of the present invention is simple in construction, convenient for installation and maintenance, and low production cost.
Brief description of the drawings
Fig. 1 is shown as the system block diagram of water level monitoring warning device of the present invention.
Fig. 2 is shown as the structure chart of water level monitoring warning device of the present invention.
Fig. 3 is shown as the flow chart of water level monitoring alarm method of the present invention.
Component label instructions
1 pressure sensor
2 temperature sensors
3 acceleration transducers
4 micro controller units
5 display modules
6 data remote transmitting modules
7 power modules
8 fixed parts
9 installation portions
10 function buttons
1)~7) step
Embodiment
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through specific realities different in addition
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.
Fig. 1 is referred to Fig. 3.It should be noted that the diagram provided in the present embodiment only illustrates this in a schematic way
The basic conception of invention, then in schema only display with relevant component in the present invention rather than according to package count during actual implement
Mesh, shape and size are drawn, and kenel, quantity and the ratio of each component can be a kind of random change during its actual implementation, and its
Assembly layout kenel may also be increasingly complex.
Embodiment one
As shown in figure 1, the present embodiment provides a kind of self adaptation high-precision pressure formula water level monitoring warning device, it is fixed on and treats
The outer side wall surface of water tank is surveyed, the water level monitoring warning device includes：
Pressure sensor 1, for gathering the pressure value of the water tank side to be measured wall, and the pressure value is exported；
Temperature sensor 2, for gathering the temperature value of the water tank local environment to be measured, and the temperature value is exported；
Acceleration transducer 3, the gravity acceleration value for gathering the water tank local environment to be measured, and by the gravity
Acceleration magnitude is exported；
Micro controller unit 4, is connected with the pressure sensor 1, temperature sensor 2 and acceleration transducer 3 respectively,
For receiving the pressure value, temperature value and gravity acceleration value, and by accelerating to the pressure value, temperature value and gravity
Angle value is tabled look-up, calculated, and obtains the current level value of the water tank to be measured, if current level value is more than the high threshold of setting
Or less than low level threshold value, then alarm signal is generated, while controlling the transmission and storage of current level value and alarm signal described
The sequence number of water level monitoring warning device；
Display module 5, is connected with the micro controller unit 4, the current level value for showing the water tank to be measured, with
And read the sequence number and shown；
Data remote transmitting module 6, is connected with the micro controller unit 4, for receiving what the micro controller unit 4 was sent
Current level value and alarm signal and to background transfer, and receive control command that the backstage sends and to the microcontroller
Device unit 4 is transmitted；And
Power module 7, is connected with the micro controller unit 4, for being powered for the water level monitoring warning device.
Specifically, the micro controller unit 4 detects its connection status with background communication link, and connection status is believed
Breath sends to display module 5 and shown.
Specifically, as shown in Fig. 2 the water level monitoring warning device also includes fixed part 8, is connected with the fixed part 8
Installation portion 9 and at least one function button 10 being connected with the micro controller unit 4, wherein, the pressure sensor 1
It is installed on the fixed part 8, the display module 5, function button 10 are mounted on the surface of installation portion 9, the temperature
Sensor 2, acceleration transducer 3, micro controller unit 4, data remote transmitting module 6 and power module 7 are mounted on the installation
In portion 9.
Preferably, in the present embodiment, the fixed part 8 is two staggered relatively, and centre sets gold at regular intervals
Belong to structure；The installation portion 9 is the cavity circular configuration being fixed in the metal structure, wherein, the cavity circular configuration
For non-enclosed structure, i.e., inside and the external environment condition of described cavity circular configuration are turned on, and the material of the cavity circular configuration
Expect for metal.
Preferably, in the present embodiment, the function button 10 is 4, is shown respectively including switching on and shutting down button, sequence number
Button, water level value display button and connection state information display button.
It should be noted that by the switching on and shutting down button, unlatching and the pass of the water level monitoring warning device can be achieved
Close.When pressing the sequence number display button, the display module reads the sequence being stored in the micro controller unit
Number and shown.When pressing the water level value display button, the display module is by the micro controller unit of reception
The current level value of transmission is shown.When pressing connection state information display button, the micro controller unit will be detected
The connection state information of the micro controller unit 4 and background communication link send to display module, and shown.
Specifically, the pressure sensor 1 includes one kind in absolute pressure formula or non-absolute pressure formula, its output signal
For one kind in data signal or analog signal.
Specifically, the temperature sensor 2 is existing any temperature sensor, its output signal includes data signal
Or analog signal.
Preferably, the voltage signal that the analog signal that the temperature sensor 2 is exported is 0~5V, or 4~20mA electric current
Signal.
Specifically, the acceleration transducer 3 include 3-axis acceleration sensor, its output signal include data signal or
One kind in analog signal.
Specifically, the display module 5 is LCDs.
Specifically, the data remote transmitting module 6 is small using Zigbee, WIFI, BLE, GPRS, LoRa, 3G, LTE or frequency range
One kind in 1G radio communication.
It should be noted that the water level monitoring warning device carries out two-way communication by data remote transmitting module 6 and backstage,
Wherein, the water level monitoring warning device is to current level value and warning message described in background transfer；The backstage is to the water
Position monitoring alarm transmission control command, the control command includes setting or modification high-low position threshold value, setting or modification pressure
The collection period of force snesor, temperature sensor and acceleration transducer, and setting or the data for changing micro controller unit
Measurement period etc..
Explanation is needed further exist for, in the non-acquired cycle, the pressure sensor 1, temperature sensor 2 and acceleration are passed
Sensor 3 is closed, to realize low-power consumption.
Specifically, the power module 7 includes battery.
Embodiment two
As shown in figure 3, the present embodiment provides the self adaptation high-precision pressure formula water level prison described in a kind of utilization embodiment one
Measuring alarming device carries out water level monitoring alarm method, and the water level monitoring alarm method includes：
1) pressure sensor 1 gathers the pressure value of the water tank side to be measured wall, and the temperature sensor 2 gathers described
The temperature value of water tank local environment to be measured, and the acceleration transducer 3 gather the gravity of the water tank local environment to be measured
Acceleration magnitude；
2) micro controller unit 4 gathers the pressure sensor 1, temperature sensor 2 and acceleration transducer 3 and exported
Pressure value, temperature value and gravity acceleration value；
3) micro controller unit 4 is searched temperature-water body density meter, obtained and the temperature according to the temperature value of collection
It is worth corresponding water body density value；
4) micro controller unit 4 calculates the current level value for obtaining the water tank to be measured according to formula h=P/ ρ g, its
In, h is current level value, and P is pressure value, and ρ is water body density value, and g is gravity acceleration value；
5) micro controller unit 4 is by the way that current level value and the high threshold of setting are compared, if current water
Place value is less than high threshold, skips to 6)；If current level value is more than high threshold, skip to 7)；
6) current level value and the low level threshold value of setting are compared by the micro controller unit 4, if current level value
More than low level threshold value, the micro controller unit 4 sends current level value to backstage；If current level value is less than low level threshold
7) value, then skip to；
7) micro controller unit 4 sends current level value and alarm signal to backstage.
It should be noted that the temperature-water body density meter is stored in the micro controller unit 4, it is not equality of temperature
Corresponding water body density value under degree.
6) or 7) specifically, when carrying out, the micro controller unit 4 first carries out its connection shape with background communication link
State is detected, and connection state information is sent to display module 5 shown.
If it should be noted that the connection status of the micro controller unit 4 and background communication link is normal, carrying out 6)
Or 7)；Otherwise, the connection status detection of communication link is re-started after the certain interval of time of micro controller unit 4, wherein,
Interval time passes through software set according to specific needs.
It should be noted that the method for the connection status of the detection of micro controller unit 4 communication link includes：
S1：The micro controller unit 4 sends a packet by the data remote transmitting module 6 to backstage；
S2：If backstage receives the packet, after verification is correct, communicated into the micro controller unit 4 passback one
Function signal, the micro controller unit 4 is received after the communication pass signal, then judges the micro controller unit 4 with after
The connection status of the communication link of platform is normal；Otherwise, judge that connection status is abnormal.
In summary, a kind of self adaptation high-precision pressure formula water level monitoring warning device of the invention and method, with
Lower beneficial effect：
1. water level monitoring warning device of the present invention and method are led to by setting temperature sensor and acceleration transducer
The temperature value and gravity acceleration value using temperature sensor and acceleration transducer collection fire water box local environment are crossed, and will
It is used for water level amendment, can accurately measure the water level of fire water box under different dimensions, different temperatures, it is to avoid fire water box because
Temperature or the difference of acceleration of gravity cause level measuring deviation.
2. water level monitoring warning device of the present invention and method by by current level value respectively with high threshold and low
Position threshold value is compared, if current level value is more than high threshold or less than low level threshold value, is sent warning message to backstage, is made
The attendant's water level conditions that can become apparent from, understand in time in fire water box, and timely and effectively accordingly safeguarded
Work.
3. water level monitoring warning device of the present invention is simple in construction, convenient for installation and maintenance, and low production cost.
So, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (9)
1. a kind of self adaptation high-precision pressure formula water level monitoring warning device, is fixed on the outer side wall surface of water tank to be measured, it is special
Levy and be, the water level monitoring warning device includes：
Pressure sensor, for gathering the pressure value of the water tank side to be measured wall, and the pressure value is exported；
Temperature sensor, for gathering the temperature value of the water tank local environment to be measured, and the temperature value is exported；
Acceleration transducer, for gathering the gravity acceleration value of the water tank local environment to be measured, and the gravity is accelerated
Angle value is exported；
Micro controller unit, is connected with the pressure sensor, temperature sensor and acceleration transducer, for receiving respectively
The pressure value, temperature value and gravity acceleration value, and by being carried out to the pressure value, temperature value and gravity acceleration value
Table look-up, calculate, obtain the current level value of the water tank to be measured, if current level value is more than the high threshold of setting or less than low
Position threshold value, then generate alarm signal, while controlling the transmission of current level value and alarm signal and storing the water level monitoring
The sequence number of warning device；
Display module, is connected with the micro controller unit, the current level value for showing the water tank to be measured, and reads
The sequence number is simultaneously shown；
Data remote transmitting module, is connected with the micro controller unit, for receiving the current water that the micro controller unit is sent
Place value and alarm signal and to background transfer, and receive control command that the backstage sends and to the micro controller unit
Transmission；And
Power module, is connected with the micro controller unit, for being powered for the water level monitoring warning device.
2. self adaptation high-precision pressure formula water level monitoring warning device according to claim 1, it is characterised in that described micro-
Controller unit detects its connection status with background communication link, and connection state information is sent to display module shown
Show.
3. self adaptation high-precision pressure formula water level monitoring warning device according to claim 1, it is characterised in that the water
Installation portion and at least one and the microcontroller that position monitoring alarm also includes fixed part, is connected with the fixed part
The function button of unit connection, wherein, the pressure sensor is installed on the fixed part, and the display module, function are pressed
Key is mounted on the installation portion surface, the temperature sensor, acceleration transducer, micro controller unit, data remote mould
Block and power module are mounted in the installation portion.
4. self adaptation high-precision pressure formula water level monitoring warning device according to claim 3, it is characterised in that the work(
Energy button is 4, aobvious including switching on and shutting down button, sequence number display button, water level value display button and connection state information respectively
Show button.
5. self adaptation high-precision pressure formula water level monitoring warning device according to claim 1, it is characterised in that described to add
Velocity sensor includes 3-axis acceleration sensor.
6. self adaptation high-precision pressure formula water level monitoring warning device according to claim 1, it is characterised in that described aobvious
Show that module includes LCDs.
7. self adaptation high-precision pressure formula water level monitoring warning device according to claim 1, it is characterised in that the number
It is less than one kind in 1G radio communication using Zigbee, WIFI, BLE, GPRS, LoRa, 3G, LTE or frequency range according to remote-transmission module.
8. self adaptation high-precision pressure formula water level monitoring warning device according to claim 1, it is characterised in that the electricity
Source module includes battery.
9. a kind of self adaptation high-precision pressure formula water level monitoring warning device using as described in any one of claim 1~8 enters
Water-filling position alarming method by monitoring, it is characterised in that the water level monitoring alarm method includes：
1) pressure sensor gathers the pressure value of the water tank side to be measured wall, and the temperature sensor gathers the water to be measured
The temperature value of case local environment, and the acceleration transducer gather the acceleration of gravity of the water tank local environment to be measured
Value；
2) micro controller unit gathers the pressure of the pressure sensor, temperature sensor and acceleration transducer output
Value, temperature value and gravity acceleration value；
3) micro controller unit searches temperature-water body density meter, obtains corresponding with the temperature value according to the temperature value of collection
Water body density value；
4) micro controller unit calculates the current level value for obtaining the water tank to be measured according to formula h=P/ ρ g, wherein, h
For current level value, P is pressure value, and ρ is water body density value, and g is gravity acceleration value；
5) micro controller unit is by the way that current level value and the high threshold of setting are compared, if current level value is small
In high threshold, skip to 6)；If current level value is more than high threshold, skip to 7)；
6) the low level threshold value of current level value and setting is compared by the micro controller unit, if current level value is more than low
Position threshold value, the micro controller unit sends current level value to backstage；If current level value is less than low level threshold value, skip to
7)；
7) micro controller unit sends current level value and alarm signal to backstage.
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| CN115440012A (en) * | 2022-08-23 | 2022-12-06 | 浙江本源质品信息科技股份有限公司 | Water storage monitoring and early warning method |
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| CN111375107A (en) * | 2020-01-19 | 2020-07-07 | 湖南明康中锦医疗科技发展有限公司 | Water level monitoring system and method for water tank of respiratory support equipment and respiratory support equipment |
| CN111375107B (en) * | 2020-01-19 | 2022-09-02 | 湖南明康中锦医疗科技发展有限公司 | Water level monitoring system and method for water tank of respiratory support equipment and respiratory support equipment |
| CN113738560A (en) * | 2021-08-24 | 2021-12-03 | 浙江大学 | Drainage pipeline spontaneous current amount and liquid level detection integrated wireless device and method |
| CN113738560B (en) * | 2021-08-24 | 2022-11-08 | 浙江大学 | Drainage pipeline spontaneous current amount and liquid level detection integrated wireless device and method |
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Effective date of registration: 20181015 Address after: 200131 Pudong New Area, Shanghai, China (Shanghai) free trade pilot area 38, 1 1 1 story 104-32 rooms. Applicant after: SHANGHAI WEIMENG IOT TECHNOLOGY CO., LTD. Address before: 200050 No. 865, Changning Road, Shanghai, Changning District Applicant before: Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences |
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Application publication date: 20170718 |