CN112229475A - Water level measurement transmission device - Google Patents
Water level measurement transmission device Download PDFInfo
- Publication number
- CN112229475A CN112229475A CN202011070622.3A CN202011070622A CN112229475A CN 112229475 A CN112229475 A CN 112229475A CN 202011070622 A CN202011070622 A CN 202011070622A CN 112229475 A CN112229475 A CN 112229475A
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- CN
- China
- Prior art keywords
- signal
- water level
- digital display
- isolator
- transmitting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 230000005540 biological transmission Effects 0.000 title claims abstract description 13
- 238000005259 measurement Methods 0.000 title claims abstract description 7
- 238000004891 communication Methods 0.000 claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims abstract 2
- 239000000956 alloy Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000001502 supplementing effect Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
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
- G01F23/14—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
Abstract
The invention discloses a water level measurement transmission device which comprises a water level transmitter, a digital display meter, a fixed clamping sleeve, a signal isolator, a communication line, a signal converter, a signal receiver, a signal filter, a shielding flexible wire and a monitor, wherein the water level transmitter is connected with the digital display meter through a shielding cable, the digital display meter, the fixed clamping sleeve, the signal isolator and the signal converter are all arranged in a control cabinet, the signal isolator and the signal converter are connected through the communication line in a welding mode, the signal receiver and the signal filter are welded in a monitoring meter, and the shielding flexible wire connects a filtered signal with the digital display meter. The invention has the advantages that: the water level of the mountain top water pool can be accurately and reliably transmitted, and the on-duty personnel can start and stop the water supplementing equipment in time according to the water level, so that the normal and safe water supply of the water level maintenance is realized.
Description
Technical Field
The invention relates to the technical parameter field, in particular to a water level measuring and transmitting device.
Background
The Tai-Gao mountain top water tank is arranged at the top of the Yalu mountain and is used for cooling water and purifying water sources of Tai-Gao group company, and the daily water consumption is about 1 ten thousand meters3Once water supply is interrupted due to the fact that the water level of the mountain top water tank is low, temperature of large power equipment is raised, and accidents are caused, but the mountain top water tank is far away in geographical position and unattended, signals of a mountain top water tank liquid level meter can only be wirelessly transmitted to a west well pump room which is 1 kilometer away, whether water is supplemented or not is determined according to the liquid level condition in the west well pump room, in the operation process, wireless transmission can only transmit 1-5V voltage signals, the transmission distance is long, meanwhile, high-level structures such as a dust removal tower and a gas cabinet are arranged between transmitting and receiving, the strength of wireless transmission is prevented, the mountain top water level voltage signals are attenuated, phenomena such as inaccurate transmission frequently occur, when the actual water level is full, the transmitted signals are low, when the actual water level is low, the transmitted signals are high, misjudgment is caused to operators, and water overflow and water cut-off of the water tank occur, the production safety and the normal supply of water resources are seriously endangered, and meanwhile, if too much water is supplemented, the water tank overflows, a large amount of water sources flush down from the mountain top, and serious geological disasters such as landslide and the like are caused, so that the water supplementing equipment can be started and stopped according to the water level by ensuring the accurate and reliable water level transmission of the mountain top water tank, and the normal and safe water supply of the water level maintenance is realized.
Disclosure of Invention
In order to solve the above problems, the present invention provides a water level measuring and transmitting device.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the utility model provides a water level measurement transmission device, includes water level changer, digital display table, fixed cutting ferrule, signal isolator, communication line, signal converter, signal receiver, signal filter, shielding patchcord and watch-dog, the water level changer pass through the shielded cable with the digital display table links to each other, digital display table, fixed cutting ferrule, signal isolator and signal converter are all installed in the switch board, the communication line will through the welded mode signal isolator with signal converter links to each other, signal receiver with signal filter welds in the monitoring instrument, the shielding patchcord will filtered signal with the digital display table is connected.
As an improvement, the fixing clamp sleeve fixes the signal isolator and the signal converter in the control box.
As an improvement, the water level transmitter transmits a 1-5V voltage signal to the signal isolator according to the water level condition, and the 1-5V voltage signal is converted into a 4-20mA analog quantity signal supplied by 24V through the signal converter.
As an improvement, the water level transmitter is an EJA110 type pressure transmitter with the range of 0-50 kPa.
As an improvement, the fixing clamping sleeve is made of alloy materials.
As an improvement, the digital display meter adopts a WP80 type digital display instrument.
As an improvement, the signal isolator is a WS type isolator, and the communication line is a 485 interface network line.
As a refinement, the signal converter is a V/I MUW200 type converter.
As an improvement, the signal filter is a band elimination filter.
Compared with the prior art, the invention has the advantages that: when the water level measuring and transmitting device is used, a water level measuring signal can be accurately transmitted to a monitoring instrument at a distance of 1 kilometer away according to the relation between pressure and millimeter water column, the water level measuring and transmitting device is convenient to install, a water level transmitter is used for measuring on site and is connected to a digital display meter through a shielded cable, the water level transmitter transmits a 1-5V voltage signal to a signal isolator according to the water level condition, the 1-5V voltage signal is converted into a 24V power supply 4-20mA analog quantity signal through a signal converter, the water tank overflow and water break phenomena are avoided, accurate and reliable water level transmission of a mountain top water tank is guaranteed, a person on duty starts and stops water replenishing equipment in time according to the water level, and normal and safe water supply is realized.
Drawings
Fig. 1 is a schematic structural view of a water level measuring and transmitting device according to the present invention.
As shown in the figure: 1. the water level meter comprises a water level transmitter, 2, a digital display meter, 3, a fixed clamping sleeve, 4, a signal isolator, 5, a communication line, 6, a signal converter, 7, a shielding flexible wire, 8, a signal receiver, 9, a signal filter, 10 and a monitor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Combine figure 1, a water level measurement transmission device, including water level transmitter 1, digital display table 2, fixed cutting ferrule 3, signal isolator 4, communication line 5, signal converter 6, signal receiver 7, signal filter 8, shielding patchcord 9 and watch-dog 10, water level transmitter 1 through the shielded cable with digital display table 2 links to each other, digital display table 2, fixed cutting ferrule 3, signal isolator 4 and signal converter 6 are all installed in the switch board, communication line 5 will through the welded mode signal isolator 4 with signal converter 6 links to each other, signal receiver 7 with signal filter 8 welds in the monitoring instrument, shielding patchcord 9 with the signal that filters with digital display table 2 connects.
The fixing clamp sleeve 3 fixes the signal isolator 4 and the signal converter 6 in the control box.
The water level transmitter 1 transmits a 1-5V voltage signal to the signal isolator 4 according to the water level condition, and converts the 1-5V voltage signal into a 24V power supply 4-20mA analog quantity signal through the signal converter 6.
The water level transmitter 1 is an EJA110 type pressure transmitter with the measuring range of 0-50 kPa.
The fixed cutting sleeve 3 is made of alloy materials.
The digital display meter 2 adopts a WP80 type digital display instrument.
The signal isolator 4 is a WS type isolator, and the communication line 5 is a 485 interface network cable.
The signal converter 6 is a V/I model MUW200 converter.
The signal filter 8 is a band-stop filter.
The specific implementation mode of the invention is as follows: when the water level meter is used, the installation is convenient, the water level transmitter 1 carries out measurement on site and is connected to the digital display meter 2 through the shielded cable, the water level transmitter 1 transmits a 1-5V voltage signal to the signal isolator 4 according to the water level condition, and converts the 1-5V voltage signal into a 4-20mA analog quantity signal supplied with power by 24V through the signal converter 6, so that the water overflow and water cut-off phenomena of the water pool are avoided, the accurate and reliable water level transmission of the mountain top water pool is ensured, and a person on duty can start and stop water supplementing equipment in time according to the water level to realize the normal and safe water supply of the water level maintenance.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A water level measurement transmission device is characterized in that: comprises a water level transmitter (1), a digital display meter (2), a fixed cutting sleeve (3), a signal isolator (4), a communication line (5), a signal converter (6), a signal receiver (7), a signal filter (8), a shielding flexible wire (9) and a monitor (10), the water level transmitter (1) is connected with the digital display meter (2) through a shielding cable, the digital display meter (2), the fixed cutting sleeve (3), the signal isolator (4) and the signal converter (6) are all arranged in the control cabinet, the communication wire (5) connects the signal isolator (4) and the signal converter (6) by welding, the signal receiver (7) and the signal filter (8) are welded in a monitoring instrument, the shielding flexible wire (9) connects the filtered signal with the digital display meter (2).
2. A water level measuring and transmitting device according to claim 1, characterized in that: the signal isolator (4) and the signal converter (6) are fixed in the control box through the fixing clamping sleeve (3).
3. A water level measuring and transmitting device according to claim 1, characterized in that: the water level transmitter (1) transmits a 1-5V voltage signal to the signal isolator (4) according to the water level condition, and the 1-5V voltage signal is converted into a 24V power supply 4-20mA analog quantity signal through the signal converter (6).
4. A water level measuring and transmitting device according to claim 1, characterized in that: the water level transmitter (1) is an EJA110 type pressure transmitter with the measuring range of 0-50 kPa.
5. A water level measuring and transmitting device according to claim 1, characterized in that: the fixed cutting sleeve (3) is made of alloy materials.
6. A water level measuring and transmitting device according to claim 1, characterized in that: the digital display meter (2) adopts a WP80 type digital display instrument.
7. A water level measuring and transmitting device according to claim 1, characterized in that: the signal isolator (4) is a WS type isolator, and the communication line (5) is a 485 interface network line.
8. A water level measuring and transmitting device according to claim 1, characterized in that: the signal converter (6) is a V/I MUW200 type converter.
9. A water level measuring and transmitting device according to claim 1, characterized in that: the signal filter (8) is a band-stop filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011070622.3A CN112229475A (en) | 2020-10-08 | 2020-10-08 | Water level measurement transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011070622.3A CN112229475A (en) | 2020-10-08 | 2020-10-08 | Water level measurement transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112229475A true CN112229475A (en) | 2021-01-15 |
Family
ID=74121029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011070622.3A Pending CN112229475A (en) | 2020-10-08 | 2020-10-08 | Water level measurement transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112229475A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5469749A (en) * | 1991-09-20 | 1995-11-28 | Hitachi, Ltd. | Multiple-function fluid measuring and transmitting apparatus |
| KR960002616U (en) * | 1994-06-07 | 1996-01-22 | 박영구 | Water level control device |
| US5606513A (en) * | 1993-09-20 | 1997-02-25 | Rosemount Inc. | Transmitter having input for receiving a process variable from a remote sensor |
| JPH09292272A (en) * | 1996-04-26 | 1997-11-11 | Yamatake Honeywell Co Ltd | Water level gauge for paddy field |
| US20080006094A1 (en) * | 2006-07-10 | 2008-01-10 | John Schulte | Pressure transmitter with multiple reference pressure sensors |
| CN202853689U (en) * | 2012-10-31 | 2013-04-03 | 邢台钢铁有限责任公司 | Water tank liquid level measurement device |
| CN206618465U (en) * | 2017-03-27 | 2017-11-07 | 东风锻造有限公司 | A kind of safety level monitoring alarm |
-
2020
- 2020-10-08 CN CN202011070622.3A patent/CN112229475A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5469749A (en) * | 1991-09-20 | 1995-11-28 | Hitachi, Ltd. | Multiple-function fluid measuring and transmitting apparatus |
| US5606513A (en) * | 1993-09-20 | 1997-02-25 | Rosemount Inc. | Transmitter having input for receiving a process variable from a remote sensor |
| KR960002616U (en) * | 1994-06-07 | 1996-01-22 | 박영구 | Water level control device |
| JPH09292272A (en) * | 1996-04-26 | 1997-11-11 | Yamatake Honeywell Co Ltd | Water level gauge for paddy field |
| US20080006094A1 (en) * | 2006-07-10 | 2008-01-10 | John Schulte | Pressure transmitter with multiple reference pressure sensors |
| CN202853689U (en) * | 2012-10-31 | 2013-04-03 | 邢台钢铁有限责任公司 | Water tank liquid level measurement device |
| CN206618465U (en) * | 2017-03-27 | 2017-11-07 | 东风锻造有限公司 | A kind of safety level monitoring alarm |
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