CN108955826A - A kind of level monitoring device integrating differential pressure type and sound wave type - Google Patents
A kind of level monitoring device integrating differential pressure type and sound wave type Download PDFInfo
- Publication number
- CN108955826A CN108955826A CN201810818890.5A CN201810818890A CN108955826A CN 108955826 A CN108955826 A CN 108955826A CN 201810818890 A CN201810818890 A CN 201810818890A CN 108955826 A CN108955826 A CN 108955826A
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- sound wave
- differential pressure
- installation shell
- wave type
- pressure type
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 44
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000006855 networking Effects 0.000 claims description 21
- 238000007689 inspection Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 9
- 239000000523 sample Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
- G01F23/22—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of level monitoring devices for integrating differential pressure type and sound wave type, shell are installed, for being mounted on the wall surface of facility to be measured；Sound wave type detection part, setting is on installation shell and is able to detect liquid level range information；Differential pressure type detection part, setting is on installation shell and can extend in water to detect hydraulic pressure information；Main control module, setting is in installation shell, main control module respectively with sound wave type detection part, differential pressure type detection part is connected with receiving liquid face range information and/or hydraulic pressure information, ultrasonic sensor and pressure sensor can automatically switch work under various circumstances, solving sound wave type sensor, there are measurement blind areas, differential pressure pick-up is influenced very big by Media density and temperature, precision degree is usually poor and more complicated in the presence of installing, probe is easily blocked, the bigger disadvantage of maintenance difficulties, the configuration of the present invention is simple, it is easy to operate, the accurate non-blind area of its measurement data and be conducive to maintenance.
Description
Technical field
The present invention relates to monitoring field, especially a kind of device applied to the monitoring of urban pipe network systematic water level.
Background technique
Important component of the sewerage system as urban infrastructure, carry processing and exclude municipal sewage and
The important task of rainwater is an important factor for ensureing city sustainable and healthy development.In recent years, can all there be many cities in every summer, the whole nation
Extreme weather occurs for city, causes the disasters such as urban waterlogging, has seriously affected citizen's daily life.Moreover, with China city
The increase of cityization development and the size of population, quantity of wastewater effluent is also more and more, promotes municipal drainage ability further to cope with pole
Hold weather and municipal sewage event extremely urgent.
With the development of material science and the communication technology, the new technology and mature production that are used in terms of level sensing both at home and abroad
Product are quite a lot of, can be divided into according to application method and used measuring technique following several: differential pressure type, float type, sound wave type,
Condenser type, DC electrode formula, optical fiber type, induction type etc..With computer technology, microelectric technique, sensor technology etc.
Using and research, level gauging instrument is current main, and there are three development directions: the liquid level instrument of contact type measurement mode, non-contact
The liquid level instrument of formula measurement method and small-sized liquid-level switch.Current the most widely used two kinds of liquid-level detecting methods are sound respectively
Waves and differential pressure type.
Sonic belongs to non-contact measurement, has precisely high, installation simple, easy to maintain and not by liquid
The characteristics of influence of the factors such as viscosity, density, but there are certain blind areas for measurement, once liquid level increases to ultrasonic sensor
Blind area within the scope of liquid level cannot correctly detect.
Differential pressure type level gauge belongs to contact type measurement, and with reliable operation, quality is stable, the service life is long, structure is simple, volume
The advantages that occasion that is small and being suitble to most of normal temperature and pressures uses, but since it is influenced very big, precision by Media density and temperature
It spends usually poor and there is the disadvantages of installation is more complicated, probe is easily blocked, maintenance difficulties are bigger.
Current level monitoring device is all individually to be detected using sonic, differential pressure type level gauge, therefore
Existing level monitoring device exists or measurement accuracy is poor or has the shortcomings that measurement blind area.
Summary of the invention
In order to solve the above technical problems, the object of the present invention is to provide a kind of liquid levels for integrating differential pressure type and sound wave type
Monitoring device.
The technical solution adopted by the present invention is that:
A kind of level monitoring device integrating differential pressure type and sound wave type, comprising:
Shell is installed, for being mounted on the wall surface of facility to be measured；
Sound wave type detection part, setting is on installation shell and is able to detect liquid level range information；
Differential pressure type detection part, setting is on installation shell and can extend in water to detect hydraulic pressure information；
Main control module, be arranged in mounting shell body, main control module respectively with sound wave type detection part, differential pressure type detection part
Connection is with receiving liquid face range information and/or hydraulic pressure information.
Further include the wireless transport module that can make main control module and the wireless communication connection of extraneous server, main control module with
Wireless transport module is electrically connected.
The wireless transport module is protenchyma networking transport module.
The installation shell is the explosion-proof casing with inner cavity, and the main control module is arranged in the lumen, the mounting shell
First through hole and the second through-hole are provided on body, sound wave type detection part extends to installation shell from inner cavity by first through hole
Outside, the second through-hole are used for across the electric wire for being separately connected main control module, differential pressure type detection part.
Further include the wireless transport module that can make main control module and the wireless communication connection of extraneous server, main control module with
Wireless transport module is electrically connected, which is protenchyma networking transport module, and the wireless transport module also wraps
Transmitting antenna is included, the protenchyma networking transport module setting in the lumen, is provided with third through-hole on the installation shell, institute
It states transmitting antenna to connect with protenchyma networking transport module, and transmitting antenna passes through third through-hole and extends to from inner cavity outside
Boundary.
The first waterproof connector, one end of the first waterproof connector and protenchyma networking transport mould are provided on the third through-hole
Block is electrically connected, and the other end of the first waterproof connector and the other end of transmitting antenna are electrically connected.
First waterproof connector include the pin end being connect with transmitting antenna and with protenchyma networking transport module
Female connector is connected, which can be plugged on pin end to realize that protenchyma networking transport module electrically connects with transmitting antenna
It connects, is provided with snap ring on the lateral wall of the female connector, which can be connected on the inner sidewall of installation shell, the public access
Head lateral wall is socketed with sheath body, is provided with internal screw thread on the inside of the sheath body, and being provided on the lateral wall of the female connector can be with
The external screw thread of the screw-internal thread fit connection of sheath body, sheath body and female connector screw and sheath body can be pressed on the outside for installing shell
On wall.
The corner brace connector for being mounted in inspection shaft is additionally provided on the installation shell.
Air-bubble level is provided on the installation shell.
Handle is provided on the installation shell.
Beneficial effects of the present invention:
Differential pressure type and sound wave type are now combined into a kind of novel liquid level monitoring device, sound wave type detection part work when low water level
Make, differential pressure type detection part works when high water level, sound wave type detection part and differential pressure type detection part can under various circumstances from
Dynamic switch operating, solving sound wave type detection part, there are measurement blind area, differential pressure type detection parts by Media density and temperature shadow
Sound it is very big, precision degree it is usually poor and exist install it is more complicated, probe easily be blocked, maintenance difficulties it is bigger lack
Point, the configuration of the present invention is simple is easy to operate, the accurate non-blind area of measurement data and be conducive to maintenance.
Detailed description of the invention
A specific embodiment of the invention is described further with reference to the accompanying drawing.
Fig. 1 is the first schematic diagram of the invention；
Fig. 2 is the second schematic diagram of the invention；
Fig. 3 is the schematic diagram of air-bubble level of the invention；
Fig. 4 is the schematic diagram of the first waterproof connector of the invention；
Fig. 5 is the present invention in low water level operation schematic diagram；
Fig. 6 is the present invention in high water level operation schematic diagram；
Fig. 7 is the principle of the present invention figure.
Specific embodiment
As shown in Figure 1 and Figure 7, a kind of level monitoring device integrating differential pressure type and sound wave type, comprising:
Shell 1 is installed, for being mounted on the wall surface of facility to be measured；
Sound wave type detection part 2, setting is on installation shell 1 and is able to detect liquid level range information；
Differential pressure type detection part 3, setting is on installation shell 1 and can extend in water to detect hydraulic pressure information；
Main control module 4, in installation shell 1, main control module 4 is detected with sound wave type detection part 2, differential pressure type respectively for setting
Component 3 is connected with receiving liquid face range information and/or hydraulic pressure information.
As shown in Figure 5 and Figure 6, sound wave type detection part 2 works when low water level, 3 work of differential pressure type detection part when high water level
Make, sound wave type detection part 2 and differential pressure type detection part 3 can automatically switch work under various circumstances, solve sound wave type inspection
Survey component 2 there are measurement blind area, differential pressure type detection parts 3 is influenced very big by Media density and temperature, and precision degree is usually poor
And have the shortcomings that installation is more complicated, probe is easily blocked, maintenance difficulties are bigger, the configuration of the present invention is simple, operation side
Just, the accurate non-blind area of measurement data and be conducive to maintenance.
It further include the wireless transport module 5 that can make main control module 4 and extraneous server wireless communication connection, main control module
4 are electrically connected with wireless transport module 5.The collected liquid level range information of observation can be facilitated by the way of wireless transmission
And/or hydraulic pressure information.In addition to this mode of wire transmission can be used also to observe collected information.
Wireless transport module 5 is protenchyma networking transport module.The protenchyma networking transport mould that wireless transmitting system 5 uses
Block (NB-IOT) supports low latency sensitivity, ultralow equipment cost, the network architecture of low equipment power dissipation and optimization, low delay quick
Sensitivity improves the timeliness and stability of system data upload.Low-power consumption is the stand-by time of NB-IOT terminal module
10 years, extends the service life of device end battery and reduce maintenance cost, substantially increase level monitoring system in no alternating current
Applicability under environment.The features such as it is high with stability, powerful, easy for installation, structurally simple, economical durable.Except this
Except can also be wirelessly transferred by the way of Bluetooth transmission.
It further include supplying cell, supplying cell is electrically connected with protenchyma networking transport module, which uses mating
Supplying cell, early period installation without for device ditch grooving provide power supply supply, reduce early period install engineering difficulty, together
When reduce later maintenance and system safe bring puzzlement.
As shown in Fig. 2, installation shell 1 is the explosion-proof casing with inner cavity, main control module 4 is arranged in the lumen, mounting shell
First through hole 6 and the second through-hole 7 are provided on body 1, sound wave type detection part 2 extends to peace from inner cavity by first through hole 6
It fills outside shell 1, the second through-hole 7 is used for across the electric wire for being separately connected main control module 4, differential pressure type detection part 3.
Installation shell 1 is the explosion-proof casing with inner cavity, and can not only carry each component keeps each component connection clear, moreover it is possible to
Each component is enough protected, installing shell 1 in addition to this can also be that other can carry the shell of each component, such as plastic casing.
Inserting slot construction is additionally provided on the installation shell 1, inserting slot construction includes that the first slot, the second slot and third are inserted
Slot, wireless transport module can be embedded in the first slot, and supplying cell can be embedded in the second slot, and sound wave type detection part can be embedding
Enter third slot, can so make the internal structure for installing shell 1 clear, and be provided with water proof and dust proof knot on third slot
Structure can prevent water from entering in installation shell 1, keep the drying of installation 1 internal environment of shell.
It further include the wireless transport module 5 that can make main control module 4 and extraneous server wireless communication connection, main control module
4 are electrically connected with wireless transport module 5, which is protenchyma networking transport module, and wireless transport module 5 is also
Including transmitting antenna 8, protenchyma networking transport module is arranged in the lumen, installs and is provided with third through-hole 9 on shell 1, emits
Antenna 8 is connect with protenchyma networking transport module, and transmitting antenna 8 passes through third through-hole 9 and extends to the external world from inner cavity.If
Setting transmitting antenna 8 can allow the distance of information transmission collected farther, and data are less easy distortion, can also be not provided with transmitting day
Line 8, wireless transport module 5 can also transmit information, but what is transmitted is closer, be limited it is larger, once the distance of transmission is farther out,
Data are easy for being distorted.
The first waterproof connector 10, one end of the first waterproof connector 10 and protenchyma networking transport are provided on third through-hole 9
Module is electrically connected, and the other end of the first waterproof connector 10 and the other end of transmitting antenna 8 are electrically connected.At second through-hole 7
It is provided with waterproof connector, one end of waterproof connector is connect with one end battery core of differential pressure type detection part 3, the other end of waterproof connector
It is electrically connected with main control module 4.
As shown in figure 4, the first waterproof connector 10 include the pin end 11 being connect with transmitting antenna 8 and with narrowband Internet of Things
The connection female connector 12 of transmission module, the female connector 12 can be plugged on pin end 11 to realize protenchyma networking transport module
It is electrically connected with transmitting antenna 8, is provided with snap ring 13 on the lateral wall of female connector 12, which can be connected to installation shell
On 1 inner sidewall, 11 lateral wall of pin end is socketed with sheath body 14, and internal screw thread, the outside of female connector 12 are provided on the inside of sheath body 14
The external screw thread 15 that can be connect with the screw-internal thread fit of sheath body 14 is provided on wall, sheath body 14 and female connector 12 screw and sheath body
14 can be pressed on the lateral wall of installation shell 1.It can prevent external water from entering in installation shell 1 in this way, to inside
Connection structure damages, in addition to this it is possible in waterproof constructions such as through hole setting water-proof silica-gel rings.
As shown in Figure 5 and Figure 6, the corner brace connector 16 being additionally provided on shell 1 for being mounted in inspection shaft is installed.The angle
Code connector 16 is 90 degree, and an angle of 90 degrees code can make the installation site of the monitoring device horizontal, keeps it more quasi- to the monitoring of liquid level
Really.
As shown in figure 3, being provided with air-bubble level 17 on installation shell 1.Air-bubble level 17 can make monitoring device
Horizontal position is accurate, can reduce the error to level monitoring.
Handle 18 is provided on installation shell 1.Handle 18 can facilitate the handling of monitoring device.The side such as also settable hanging ring
Just the structure lifted.
Specific operation process and method of the invention is as follows:
(1) Cover of inspection well is opened, allows inspection shaft opening gravity-flow ventilation 5 minutes, discharges toxic and harmful gas；
(2) assembled device as required；
(3) that calculates device hangs up height, makes a call to four holes in inspection shaft inner wall predetermined altitude；
(4) people stands outside well, and the handle on hand-held device top cover is slowly vertical to be put into inspection shaft, by device hanging buckle in basement
Well inner wall；
(5) angle of the horizontal bubble instrument 17 on observation and explosion-proof box top cover, adjustment device appropriate keeps device holding horizontal
Blending bolt is fixed；
(6) length of pressure sensor is adjusted；
(7) commissioning device is exported to equipment stable reading and stabilization is uploaded in backstage.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to above embodiment, as long as with
Essentially identical means realize that the technical solution of the object of the invention belongs within protection scope of the present invention.
Claims (10)
1. a kind of level monitoring device for integrating differential pressure type and sound wave type characterized by comprising installation shell (1) is used
In on the wall surface for being mounted on facility to be measured；
Sound wave type detection part (2), setting is in installation shell (1) and is able to detect liquid level range information；
Differential pressure type detection part (3), setting is in installation shell (1) and can extend in water to detect hydraulic pressure information；
Main control module (4), setting installation shell (1) in, main control module (4) respectively with sound wave type detection part (2), differential pressure type
Detection part (3) is connected with receiving liquid face range information and/or hydraulic pressure information.
2. a kind of level monitoring device for integrating differential pressure type and sound wave type according to claim 1, it is characterised in that:
It further include the wireless transport module (5) that can make main control module (4) and extraneous server wireless communication connection, main control module (4)
It is electrically connected with wireless transport module (5).
3. a kind of level monitoring device for integrating differential pressure type and sound wave type according to claim 2, it is characterised in that:
The wireless transport module (5) is protenchyma networking transport module.
4. a kind of level monitoring device for integrating differential pressure type and sound wave type according to claim 1, it is characterised in that:
The installation shell (1) is the explosion-proof casing with inner cavity, and the main control module (4) is arranged in the lumen, the installation shell
(1) first through hole (6) and the second through-hole (7) are provided on, sound wave type detection part (2) passes through first through hole (6) from inner cavity
It is external to extend to installation shell (1), the second through-hole (7) is used for across being separately connected main control module (4), differential pressure type detection part
(3) electric wire.
5. a kind of level monitoring device for integrating differential pressure type and sound wave type according to claim 4, it is characterised in that:
It further include the wireless transport module (5) that can make main control module (4) and extraneous server wireless communication connection, main control module (4)
It is electrically connected with wireless transport module (5), which is protenchyma networking transport module, the wireless transmission
Module (5) further includes transmitting antenna (8), and the protenchyma networking transport module is arranged in the lumen, on the installation shell (1)
It is provided with third through-hole (9), the transmitting antenna (8) connect with protenchyma networking transport module, and transmitting antenna (8) passes through
Third through-hole (9) extends to the external world from inner cavity.
6. a kind of level monitoring device for integrating differential pressure type and sound wave type according to claim 5, it is characterised in that:
It is provided with the first waterproof connector (10) on the third through-hole (9), one end of the first waterproof connector (10) and narrowband Internet of Things pass
Defeated module is electrically connected, and the other end of the first waterproof connector (10) and the other end of transmitting antenna (8) are electrically connected.
7. a kind of level monitoring device for integrating differential pressure type and sound wave type according to claim 6, it is characterised in that:
First waterproof connector (10) include the pin end (11) being connect with transmitting antenna (8) and with protenchyma networking transport module
Connection female connector (12), the female connector (12) can be plugged on pin end (11) with realize protenchyma networking transport module with
Transmitting antenna (8) is electrically connected, and is provided with snap ring (13) on the lateral wall of the female connector (12), which can abut
On the inner sidewall of installation shell (1), pin end (11) lateral wall is socketed with sheath body (14), is set on the inside of the sheath body (14)
It is equipped with internal screw thread, the outer spiral shell that can be connect with the screw-internal thread fit of sheath body (14) is provided on the lateral wall of the female connector (12)
Line (15), sheath body (14) is screwed with female connector (12) and sheath body (14) can be pressed on the lateral wall of installation shell (1).
8. a kind of level monitoring device for integrating differential pressure type and sound wave type according to claim 1, it is characterised in that:
The corner brace connector (16) for being mounted in inspection shaft is additionally provided on installation shell (1).
9. a kind of level monitoring device for integrating differential pressure type and sound wave type according to claim 1, it is characterised in that:
Air-bubble level (17) are provided on the installation shell (1).
10. a kind of level monitoring device for integrating differential pressure type and sound wave type according to claim 1, feature exist
In: handle (18) are provided on the installation shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810818890.5A CN108955826A (en) | 2018-07-24 | 2018-07-24 | A kind of level monitoring device integrating differential pressure type and sound wave type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810818890.5A CN108955826A (en) | 2018-07-24 | 2018-07-24 | A kind of level monitoring device integrating differential pressure type and sound wave type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108955826A true CN108955826A (en) | 2018-12-07 |
Family
ID=64464230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810818890.5A Pending CN108955826A (en) | 2018-07-24 | 2018-07-24 | A kind of level monitoring device integrating differential pressure type and sound wave type |
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| Country | Link |
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| CN (1) | CN108955826A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637948A (en) * | 2020-06-08 | 2020-09-08 | 南阳杜尔气体装备有限公司 | Electronic liquid level remote transmission system based on 12V direct-current power supply independent power supply |
| CN115628389A (en) * | 2022-10-21 | 2023-01-20 | 武汉新烽光电股份有限公司 | Blind device is mended in pipe well water level measurement |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111637948A (en) * | 2020-06-08 | 2020-09-08 | 南阳杜尔气体装备有限公司 | Electronic liquid level remote transmission system based on 12V direct-current power supply independent power supply |
| CN115628389A (en) * | 2022-10-21 | 2023-01-20 | 武汉新烽光电股份有限公司 | Blind device is mended in pipe well water level measurement |
| CN115628389B (en) * | 2022-10-21 | 2024-06-11 | 武汉新烽光电股份有限公司 | Blind device is mended in tube well water level measurement |
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