CN114705323A - River channel type automatic water temperature monitoring device and method suitable for complex water flow condition - Google Patents
River channel type automatic water temperature monitoring device and method suitable for complex water flow condition Download PDFInfo
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- CN114705323A CN114705323A CN202210204042.1A CN202210204042A CN114705323A CN 114705323 A CN114705323 A CN 114705323A CN 202210204042 A CN202210204042 A CN 202210204042A CN 114705323 A CN114705323 A CN 114705323A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
- G01K13/026—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow of moving liquids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
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- Ocean & Marine Engineering (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention provides a river channel type automatic water temperature monitoring device and method suitable for complex water flow conditions. The device and the method can be suitable for monitoring the water temperature of a water area with large water level amplitude and high water flow velocity at a tail water outlet of a seasonal river channel or a power station, can be installed and maintained at any time, and have wide application range.
Description
Technical Field
The invention relates to the field of real-time water temperature monitoring, in particular to a water temperature monitoring device and a water temperature monitoring method for a high-flow-speed water area with large water level amplitude at a V-shaped narrow and deep river channel and a tail water outlet of a power station.
Background
The water temperature is a key index reflecting the health of river water, and the change of the water temperature can cause the change of the aquatic environment of the reservoir, thereby influencing the growth and reproduction of other aquatic animals and plants. Due to the influence of seasonal flood or power station regulation and storage, the water level amplitude of V-shaped narrow and deep riverways and power station tail water outlets in southwest mountainous areas is often large, and the surface water temperature of the riverways cannot be well captured by adopting a conventional fixed water temperature measuring method. According to the water temperature monitoring specification, the surface water temperature refers to the water temperature at 0.5m under water. When the water level is too high, the measured water temperature is not the surface water temperature; when the water level is low, there is a temperature probe exposure condition. In addition, when the flow velocity of water flow is large when flood comes in flood season, a floating water temperature measuring mode cannot be well fixed, and the measuring device can possibly flush a downstream area along with the water flow. In order to capture surface water temperature data in real time and truly reflect the water temperature data of a river channel, an automatic monitoring method which can be suitable for high water level amplitude variation and high flow rate is adopted, so that the requirements of water temperature monitoring specifications are met, the continuity and accuracy of the water temperature data are guaranteed, the overall stability of the device can be guaranteed, and the impact force of the flow rate of large water flow can be resisted. The device is simple, easily installs, need not manual operation, and the later stage is changed simply.
The patent No. CN214426855U discloses a surface water temperature measuring method, which is realized by a floating box, a supporting rod, a positioning rod, a fixing block, a first spring, a baffle plate and the like, can stably measure, enhances the practicability of the surface water temperature measuring device, and can simultaneously achieve the purpose of measuring different water temperatures on the surface layer, and the stability of the device is possibly insufficient under the condition that the flow rate of water flow is high and the fluctuation of the water surface is large; the patent number CN213748837U discloses a method for measuring the water temperature of a cooling water outlet of a nuclear power plant, which is realized by devices such as a water outlet pipe, a probe, a transmission line, a U-shaped driver, a chute and a blade, and can realize the automatic cleaning function of a water temperature monitoring device at the cooling water outlet of the nuclear power plant and improve the accuracy of temperature measurement, but the method has a complex structure and is possibly limited in applicability to the water temperature monitoring of a general river channel; the patent No. CN214200436U discloses a wireless water temperature measuring method, which comprises a water flow power generation module, a temperature sensor, a switching power supply conversion module, a single chip microcomputer control module, a wireless transmitter module and the like, and provides a wireless water temperature measuring device which does not need an external power supply, reduces the arrangement difficulty of signal lines and meets the temperature acquisition requirement of a household water system. The patent number is CN214794001U discloses a cursory formula on-line monitoring water quality measuring device, includes anchor body, floats board and on-line monitoring water quality device body and constitutes. The device simple structure, it is convenient to use, can make when the velocity of flow of rivers is less float that the showy formula on-line monitoring water quality device is stable float at the surface of water monitoring, nevertheless when the velocity of flow of rivers is great, the device probably is caused destruction by water impact. Under the condition that the water level amplitude of a V-shaped narrow and deep river channel in a southwest mountain area and a tail water outlet of a power station is large, the traditional fixed temperature measurement mode cannot meet the standard requirement of water temperature measurement, and in order to measure water flow surface layer water temperature data, the floating mode is adopted to be extraordinarily important. The existing water temperature measuring method capable of automatically rising and falling along with the change of the water level only needs to be provided with a data acquisition device and a signal sending device. The device simple structure need not artifical the maintenance, and later stage operation is with low costs.
Disclosure of Invention
The invention aims to solve the technical problem of providing a river channel type automatic water temperature monitoring device and method suitable for complex water flow conditions, which are suitable for monitoring the water temperature of a water area with large water level variation and high water flow velocity at a tail water outlet of a seasonal river channel or a power station, can be installed and maintained at any time and have wide application range.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides an automatic temperature monitoring devices of river course type suitable for under complicated rivers condition, includes upper and lower end confined floral tube, and the floral tube passes through the mount to be fixed on the river course bank slope, and the floral tube is equipped with floats the body, floats body bottom and is equipped with temperature probe, and the floral tube upper end is equipped with the temperature acquisition appearance, and temperature probe passes through the cable to be connected with the temperature acquisition appearance, and the floral tube lower extreme is equipped with the through-hole that supplies temperature probe to wear out, and the floral tube upper end is equipped with the line hole that supplies the cable to wear out.
In the preferred scheme, an inner protection pipe is arranged in the floral tube, the inner protection pipe is inserted in the buoy, the upper end of the inner protection pipe penetrates through the line hole, and the cable is arranged in the inner protection pipe.
In the preferred scheme, the inner protecting pipe is a rectangular pipe, a limiter is arranged in the floral tube, and the limiter is provided with a limiting hole matched with the inner protecting pipe.
In a preferred scheme, the temperature acquisition instrument is arranged at the upper end of the inner protective tube.
In a preferred scheme, the floating body comprises a shell and polyurethane foam arranged in the shell.
In a preferred scheme, the inner protection pipe is made of aluminum alloy.
In the preferred scheme, the mount includes the arc with the floral tube adaptation, and the arc tip is equipped with the connecting plate, and the connecting plate passes through the bolt and installs in river course bank slope.
The invention also provides a monitoring method of the river channel type automatic water temperature monitoring device suitable for the complex water flow condition, which comprises the following steps:
step one, assembling a device, wherein the height from a limiting stopper to the lower end of a flower tube is 1.2-1.3 times of the water level difference;
step two, after the device is assembled, the device is fixed on a bank slope of the river channel through a fixing frame and bolts, the floral tube is kept in a vertical state, and the temperature probe is lower than the lowest water level elevation;
and step three, the water level changes, the float body moves up and down along the perforated pipe, the temperature probe is positioned at the surface water level, and the temperature acquisition instrument acquires the surface water temperature.
The invention provides a river channel type automatic water temperature monitoring device and method suitable for complex water flow conditions, which are suitable for areas with severe river channel water level changes, particularly mountainous rivers and tail water outlets of power stations, so that a temperature probe is always positioned at a surface layer position, and the impact of water flow can be resisted through the protection effect of a perforated pipe, the stability of water temperature measurement is ensured, field operators are not needed, the installation is convenient, and the temperature measuring device has the characteristics of simple structure, economical and reliable operation, capability of being detached at any time, and convenience in later-stage operation and maintenance.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the installation of the present invention;
FIG. 3 is a schematic view of the installation of the inner sheath;
FIG. 4 is a schematic structural view of a floral tube;
FIG. 5 is a schematic structural view of the stopper;
FIG. 6 is a schematic structural view of the fixing frame;
FIG. 7 is a schematic structural view of the float body;
in the figure: the floating body comprises a floral tube 1, a fixing frame 2, a floating body 3, a temperature probe 4, a temperature acquisition instrument 5, an inner protection tube 6, a limiter 7, a through hole 101, a line hole 102, a shell 301, polyurethane foam 302 and a limiting hole 701.
Detailed Description
As shown in figures 1-2, an automatic temperature monitoring devices of river course type suitable for under complicated rivers condition, including upper and lower end confined floral tube 1, floral tube 1 is corrosion-resistant, the stainless steel material that shocks resistance, and the diameter of floral tube 1 is decided by the external diameter of the body that floats 3, and the diameter of floral tube 1 slightly is greater than the diameter of the body that floats 3, and the quantity in hole and the size in hole on floral tube 1 are decided by water level, velocity of flow and rivers swell, finally reach inside and outside water pressure balance and can carry out the water smoothly and trade for suitable.
The floral tube 1 is fixed on the bank slope of the river channel through the fixing frame 2, the fixing frame 2 in the embodiment has a structure as shown in fig. 6, the fixing frame 2 comprises an arc-shaped plate 201 matched with the floral tube 1, the end part of the arc-shaped plate 201 is provided with a connecting plate 202, and the connecting plate 202 is installed on the bank slope of the river channel through a bolt. The fixing frame 2 is made of stainless steel, the whole device is fixed on a vertical bank slope through the fixing frame 2, the temperature measuring device is ensured to float up and down along with the water level, and the stable reading of the temperature measuring device under the impact of high-flow-rate water flow can be ensured. The number of the fixing frames 2 is determined by the length of the perforated pipe 1 and the impact force of the water flow.
The floating body 3 is arranged in the perforated pipe 1, the floating body 3 is made of light environment-friendly materials, and the floating body 3 can move up and down freely along with the change of the water level. Float 3 bottom cartridge temperature probe 4 of body that floats, floral tube 1 upper end is equipped with temperature acquisition instrument 5, and temperature probe 4 passes through the cable to be connected with temperature acquisition instrument 5, and the 1 lower extreme of floral tube is equipped with the through-hole 101 that supplies temperature probe 4 to wear out, and the 1 upper end of floral tube is equipped with the line hole 102 that supplies the cable to wear out.
In this embodiment, as shown in fig. 7, the float body 3 includes an outer shell 301 and polyurethane foam 302 disposed in the outer shell 301, and the outer shell 301 is made of PE. The float body 3 is provided with a through hole for the cable to penetrate through, and the temperature probe 4 is fixed at the bottom of the float body 3.
Preferably, as shown in fig. 3, an inner protection tube 6 is arranged in the perforated pipe 1, the inner protection tube 6 is inserted into the float body 3, the upper end of the inner protection tube 6 passes through the wire hole 102, the cable is arranged in the inner protection tube 6, and the temperature probe 4 is fixed at the lower end of the inner protection tube 6.
The inner protection pipe 6 is made of aluminum alloy with high strength and light weight, and protects the cable of the temperature probe 4 from bending deformation in the up-and-down movement process, so that the service life of the temperature probe is influenced.
Further, as shown in fig. 5, the inner protection tube 6 is a rectangular tube, a stopper 7 is arranged in the perforated pipe 1, and the stopper 7 is provided with a limit hole 701 adapted to the inner protection tube 6.
The line hole 102 of floral tube 1 is the rectangular hole with inner sheath 6 adaptation, plays limiting displacement with stopper 7 simultaneously, makes temperature probe 4 can not rotate at will, makes things convenient for solar panel's installation, makes it face towards the direction of sunshine all the time.
The temperature acquisition instrument 5 is internally provided with a signal transmitting device and a power supply device, data is sent to a cloud server at regular time in a GPRS/GSM communication mode, and the cloud server selects the model BGK-GM 2. The power supply device adopts the solar cell panel and the storage battery to supply power in a combined manner, the solar cell panel can be adopted to supply power when the weather is fine, the storage battery is adopted to supply power when the weather is rainy, and the collected data is sent back to the cloud server through the signal transmitting device.
A monitoring method of a river channel type automatic water temperature monitoring device suitable for complex water flow conditions comprises the following steps:
Step one, assembling the device, wherein the height from the position limiter 7 to the lower end of the perforated pipe 1 is 1.2-1.3 times of the water level difference.
And step two, after the device is assembled, the device is fixed on a bank slope of the river channel through the fixing frame 2 and the bolts, and the device is installed at a straight river section of the river channel, so that the influence of poor water flow state on data measurement stability is reduced. The device installation should avoid drain, cooling water export, water exchange regional influence such as less strong, guarantee the accuracy of measured temperature. The perforated pipe 1 is kept in a vertical state, and the temperature probe 4 is lower than the lowest water level.
And step three, changing the water level, moving the float body 3 up and down along the perforated pipe 1, positioning the temperature probe 4 at the surface water level, and implementing acquisition on the surface water temperature by the temperature acquisition instrument 5.
The device and the monitoring method thereof are suitable for areas with violent changes of the river water level, particularly mountainous rivers and tail water outlets of power stations. The area has high flow velocity and disordered water flow, the conventional fixed surface water temperature measuring method cannot adapt to water temperature measurement of the area, the surface water temperature is not measured when the water level is too high, and the temperature probe is exposed to the measured air temperature when the water level is too low, so that discontinuity and inaccuracy of water temperature monitoring data are caused; in addition, the large water flow impact can cause the measuring device to swing back and forth and even be washed out by the water flow, and the stable reading of the water temperature measuring device is influenced. In order to solve the contradiction, the method adopts the improved floating water temperature measuring device, the device can fluctuate along with the fluctuation of water level, and the fixing frame 2 is used for fixing the device on the vertical bank slope to ensure the integral stability of the device.
Claims (8)
1. The utility model provides an automatic temperature monitoring devices of river course type suitable for under complicated rivers condition, a serial communication port, including upper and lower extreme confined floral tube (1), floral tube (1) is fixed on the river course bank slope through mount (2), be equipped with in floral tube (1) and float body (3), it is equipped with temperature probe (4) to float body (3) bottom, floral tube (1) upper end is equipped with temperature acquisition appearance (5), temperature probe (4) are connected with temperature acquisition appearance (5) through the cable, floral tube (1) lower extreme is equipped with through-hole (101) that supply temperature probe (4) to wear out, floral tube (1) upper end is equipped with line hole (102) that supply the cable to wear out.
2. The river channel type automatic water temperature monitoring device suitable for the complex water flow conditions as claimed in claim 1, wherein an inner protection pipe (6) is arranged in the perforated pipe (1), the inner protection pipe (6) is inserted in the buoy body (3), the upper end of the inner protection pipe (6) penetrates through the wire hole (102), and a cable is arranged in the inner protection pipe (6).
3. The river channel type automatic water temperature monitoring device suitable for the complex water flow condition according to claim 2, wherein the inner protection pipe (6) is a rectangular pipe, a limiter (7) is arranged in the perforated pipe (1), and the limiter (7) is provided with a limiting hole (701) matched with the inner protection pipe (6).
4. A river course type automatic water temperature monitoring device suitable for complicated water flow conditions according to claim 2, characterized in that the temperature collector (5) is arranged at the upper end of the inner protective pipe (6).
5. A river course type automatic water temperature monitoring device suitable for use under complicated water flow conditions according to claim 1, wherein said floater (3) comprises a housing (301) and polyurethane foam (302) disposed inside the housing (301).
6. The river channel type automatic water temperature monitoring device suitable for the complicated water flow condition according to claim 2, wherein the material of the inner protection pipe (6) is aluminum alloy.
7. The river channel type automatic water temperature monitoring device suitable for the complicated water flow conditions is characterized in that the fixing frame (2) comprises an arc-shaped plate (201) matched with the perforated pipe (1), a connecting plate (202) is arranged at the end part of the arc-shaped plate (201), and the connecting plate (202) is installed on a bank slope of the river channel through bolts.
8. The monitoring method of the river channel type automatic water temperature monitoring device suitable for the complex water flow condition according to any one of claims 1 to 7, characterized by comprising the following steps:
Step one, assembling a device, wherein the height from a limiting stopper (7) to the lower end of a floral tube (1) is 1.2-1.3 times of the water level difference;
step two, after the device is assembled, the device is fixed on a bank slope of a river channel through a fixing frame (2) and bolts, the floral tube (1) is kept in a vertical state, and the temperature probe (4) is lower than the lowest water level elevation;
and step three, the water level changes, the float body (3) moves up and down along the perforated pipe (1), the temperature probe (4) is positioned at the surface water level, and the temperature acquisition instrument (5) is used for acquiring the surface water temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210204042.1A CN114705323A (en) | 2022-03-03 | 2022-03-03 | River channel type automatic water temperature monitoring device and method suitable for complex water flow condition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210204042.1A CN114705323A (en) | 2022-03-03 | 2022-03-03 | River channel type automatic water temperature monitoring device and method suitable for complex water flow condition |
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| CN114705323A true CN114705323A (en) | 2022-07-05 |
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| CN202210204042.1A Pending CN114705323A (en) | 2022-03-03 | 2022-03-03 | River channel type automatic water temperature monitoring device and method suitable for complex water flow condition |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116528186A (en) * | 2023-06-29 | 2023-08-01 | 中交广州航道局有限公司 | River channel water level monitoring system and measuring equipment |
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- 2022-03-03 CN CN202210204042.1A patent/CN114705323A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116528186A (en) * | 2023-06-29 | 2023-08-01 | 中交广州航道局有限公司 | River channel water level monitoring system and measuring equipment |
| CN116528186B (en) * | 2023-06-29 | 2024-02-02 | 中交广州航道局有限公司 | River channel water level monitoring system and measuring equipment |
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