CN210037014U - Water temperature monitoring devices and water temperature monitoring system before reservoir dam - Google Patents

Abstract

The utility model provides a temperature monitoring system before reservoir dam before temperature monitoring devices and reservoir dam through setting up the rigidity telescopic link, with the vertical setting of telescopic link in the water, the bottom mounting of telescopic link is in the water bottom, and buoy boat's bottom fixed connection is on the top of telescopic link, and when buoy boat floated from top to bottom along with the change of reservoir water level, the telescopic link was flexible from top to bottom along with buoy boat's fluctuation. Because the rigid telescopic rod is vertically arranged, the rigid telescopic rod can only stretch up and down, and can not obviously deform along with the stress influence like a steel wire rope, so that the buoy boat can not obviously deviate even under the influence of water flow, wind direction and the like, and can only float up and down along with the change of water level, the temperature chain is always in a preset range, the actual monitoring position of the temperature chain in the horizontal direction is always consistent with the preset monitoring position, and the accuracy of water temperature monitoring data in front of a reservoir dam is ensured.

Description

Water temperature monitoring devices and water temperature monitoring system before reservoir dam

Technical Field

The utility model relates to a reservoir monitoring technology especially relates to a temperature monitoring system before temperature monitoring devices and the reservoir dam before reservoir dam.

Background

Due to the influences of factors such as weather conditions, reservoir characteristics (reservoir capacity, water depth and the like), reservoir operation modes and the like of a dam site area, the distribution of the water temperature of the reservoir in front of the dam is very complex, the water temperature of the reservoir in front of the dam is the most important boundary condition for determining the temperature field of the concrete dam body, the water temperature of the reservoir in front of the dam directly influences the temperature field of the dam body of the reservoir, the deformation of the dam body and the like, is also a main factor for evaluating the water quality of the reservoir and researching physical, chemical and microclimate changes in the ecological environment of the water body of the reservoir, and has very important significance for the analysis and research of the actually measured water temperature of the reservoir.

At present, a monitoring device is generally arranged on a buoy ship to monitor the temperature of a water body in front of a reservoir dam. As shown in fig. 1, a temperature chain 2 is connected to the bottom of the buoy vessel 1 to monitor the temperature at different depths of water below the buoy vessel 1. Meanwhile, the steel wire rope 3 is connected to the bottom of the buoy vessel 1, the ship anchor 23 is connected to the end of the steel wire rope 3, and the ship anchor 23 is sunk to the water bottom to fix the buoy vessel 1 within a certain range, so that the position of the temperature chain 2 is limited within a preset range. At this time, although the buoy vessel 1 is influenced by water flow, wind direction and the like to generate a certain deviation, the deviation degree of the buoy vessel 1 is not very large due to the fact that the buoy vessel is restrained by the steel wire rope 3 and the steel wire rope 3 does not have too much redundant length, and the temperature chain 2 is still in a preset range. However, when the reservoir water level descends, especially when the reservoir water level descends to a certain extent after, because buoy boat 1 also can follow the reservoir water level and descend, wire rope 3 will have great redundant length, and at this moment, buoy boat 1 receives the influence of rivers, wind direction etc. and just produces by a wide margin skew easily, makes temperature chain 2 skew preset range, leads to temperature chain 2 at the ascending actual monitoring position of horizontal direction and predetermines the monitoring position nonconformity to lead to the monitoring data inaccurate.

SUMMERY OF THE UTILITY MODEL

The utility model discloses main aim at provides a temperature monitoring system before reservoir dam and reservoir dam to the influence that the buoy boat received rivers, wind direction etc. when solving the temperature before adopting the prior art means monitoring reservoir dam produces skew by a wide margin easily, makes the skew scope of predetermineeing of temperature chain, leads to the unsafe problem of monitoring data.

The utility model discloses a realize through following technical scheme:

the utility model provides a temperature monitoring devices before reservoir dam, is including being used for fixing the buoy boat on reservoir dam front water surface, the internally mounted of buoy boat has RTU data acquisition unit, mobile communication module, battery, the bottom of buoy boat is connected with the temperature chain, the temperature chain includes the bus, install a plurality of temperature sensor and a plurality of balancing weight along its length direction interval on the bus, wherein, the balancing weight of below is located the below of the temperature sensor of below, the battery is used for RTU data acquisition unit, mobile communication module and the temperature sensor power supply, temperature sensor connects RTU data acquisition unit for with the temperature signal transmission who senses arrive RTU data acquisition unit, RTU data acquisition unit connects mobile communication module for with after converting temperature signal into temperature data will temperature data transmission arrives mobile communication module, the mobile communication module is used for transmitting the temperature data in a wireless mode, the water temperature monitoring device before the reservoir dam further comprises a rigid telescopic rod, the telescopic rod is vertically arranged in the water body, the bottom end of the telescopic rod is fixed to the bottom of the water body, the bottom of the buoy boat is fixedly connected to the top end of the telescopic rod, when the buoy boat floats up and down along with the change of the water level of the reservoir, the telescopic rod stretches up and down along with the up-and-down floating of the buoy boat.

Further, the last surface mounting of buoy boat has solar cell panel, the internally mounted of buoy boat has charge-discharge controller, charge-discharge controller with solar cell panel the battery RTU data acquisition unit mobile communication module with temperature sensor connects, solar cell panel passes through charge-discharge controller does the battery charges, the battery passes through charge-discharge controller does RTU data acquisition unit mobile communication module with the temperature sensor power supply.

Further, the RTU data acquisition unit comprises at least one NDA1403 type data acquisition intelligent module, and the NDA1403 type data acquisition intelligent module is connected with the temperature sensor.

Further, the mobile communication module is a GPRS and/or GSM based mobile communication module.

Furthermore, the temperature sensor is packaged by a stainless steel shell and sealed by heat-conducting sealant.

Furthermore, the bottom end of the bus is connected with a pressure type water level sensor, and the pressure type water level sensor is connected with the RTU data acquisition unit.

A reservoir dam water temperature monitoring system comprises the reservoir dam water temperature monitoring device and a data monitoring center, wherein the data monitoring center comprises a short message server, a firewall server, a switch, a database server, a Web server and an application program server;

the short message server is in wireless communication with the mobile communication module of the reservoir dam front water temperature monitoring device, the firewall server is in connection communication with the short message server through the internet, the application server and the Web server are in connection communication with the firewall server, and the database server is in connection communication with the firewall server through the switch.

Further, the short message server is based on GPRS and/or GSM communication.

Compared with the prior art, the utility model provides a temperature monitoring system before reservoir dam and reservoir dam through setting up the rigidity telescopic link, with the vertical setting of telescopic link in the water, the bottom mounting of telescopic link is in the water bottom, and buoy boat's bottom fixed connection is on the top of telescopic link, and when buoy boat floated from top to bottom along with the change of reservoir water level, the telescopic link floated from top to bottom along with buoy boat's fluctuation and stretches out and draw back from top to bottom. Because the rigid telescopic rod is vertically arranged, the rigid telescopic rod can only stretch up and down, and can not obviously deform along with the stress influence like a steel wire rope, so that the buoy boat can not obviously deviate even under the influence of water flow, wind direction and the like, and can only float up and down along with the change of water level, the temperature chain is always in a preset range, the actual monitoring position of the temperature chain in the horizontal direction is always consistent with the preset monitoring position, and the accuracy of water temperature monitoring data in front of a reservoir dam is ensured.

Drawings

FIG. 1 is a schematic illustration of a prior art buoy vessel for reasons of departure;

fig. 2 is a schematic structural view of a water temperature monitoring device in front of a reservoir dam according to an embodiment of the present invention;

fig. 3 is an enlarged schematic structural view of a water temperature monitoring device in front of a reservoir dam according to an embodiment of the present invention;

fig. 4 is a schematic diagram illustrating a principle of composition of a water temperature monitoring system in front of a reservoir dam according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings.

Combine fig. 2 to fig. 4 to show, the embodiment of the utility model provides a temperature monitoring devices before reservoir dam, including being used for fixing buoy boat 1 at reservoir dam front water surface, buoy boat 1 includes body 21 and top cap 22, and the top cap 22 lid is established on body 21, forms buoy boat 1's inner space. The inside of the buoy tender 1 is provided with the RTU data acquisition unit 8, the mobile communication module 12 and the storage battery 11, and during specific installation, the RTU data acquisition unit 8, the mobile communication module 12, the storage battery 11 and the like can be installed on an installation support pre-installed in the buoy tender 1. The bottom of buoy ship 1 is connected with temperature chain 2, and temperature chain 2 includes bus 20, installs a plurality of temperature sensor 7 and a plurality of balancing weight 5 along its length direction interval on bus 20, and wherein, balancing weight 5 of below is located the below of temperature sensor 7 of below. The counterweight 5 is used for straightening the bus 20, so that the bus 20 vertically hangs down in the water body, and the temperature sensors 7 are ensured to be at different depths of water at the same position. A plurality of clump weights 5 can be arranged on the bus 20 at intervals along the length direction of the bus to ensure that the bus 20 can be kept vertical when the buoy vessel 1 floats up and down due to the change of the water level of the reservoir. The temperature sensor 7 is used for monitoring the water temperature at the position, and a plurality of temperature sensors 7 are arranged on the bus 20 at intervals along the length direction of the bus, so that the water temperature data of different water depths can be monitored. The RTU data acquisition unit 8 mainly performs a data acquisition function by connecting with each temperature sensor 7 to acquire a detection signal of each temperature sensor 7 and convert it into corresponding data.

The battery 11 is used for supplying power for RTU data acquisition unit 8, mobile communication module 12 and temperature sensor 7, and temperature sensor 7 connects RTU data acquisition unit 8 for the temperature signal transmission to RTU data acquisition unit 8 that will sense. Each temperature sensor 7 is connected to an RTU data acquisition unit 8 by a waterproof dedicated cable. RTU data acquisition unit 8 connects mobile communication module 12 for with temperature signal conversion to temperature data after with temperature data send mobile communication module 12, mobile communication module 12 is used for sending out temperature data through wireless mode.

Temperature monitoring devices still includes rigidity telescopic link 4 before the reservoir dam, and the vertical setting of telescopic link 4 is in the water, and the bottom mounting of telescopic link 4 is in the water bottom, and buoy boat 1's bottom fixed connection is on the top of telescopic link 4 to prevent that buoy boat 1 from being taken away by rivers or being blown away by wind. When the buoy tender 1 floats up and down along with the change of the water level of the reservoir, the telescopic rod 4 stretches up and down along with the up-and-down floating of the buoy tender 1. Because the vertical setting of rigidity telescopic link 4 can only stretch out and draw back from top to bottom, can not take place obvious deformation along with the atress influence like wire rope, consequently buoy boat 1 even receive the influence of rivers, wind direction etc. can not produce obvious skew yet, and only can float from top to bottom along with the change of water level, and temperature chain 2 all is in predetermineeing the scope all the time, has ensured that temperature chain 2 actual monitoring position on the horizontal direction is unanimous all the time with predetermineeing the monitoring position to the accuracy of temperature monitoring data before the reservoir dam has been ensured.

The upper surface mounting of buoy boat 1 has solar cell panel 9, the internally mounted of buoy boat 1 has charge-discharge controller 10, charge-discharge controller 10 and solar cell panel 9, battery 11, RTU data acquisition unit 8, mobile communication module 12 and temperature sensor 7 are connected, solar cell panel 9 charges for battery 11 through charge-discharge controller 10, battery 11 is RTU data acquisition unit 8 through charge-discharge controller 10, mobile communication module 12 and the power supply of temperature sensor 7.

The RTU data acquisition unit 8 comprises at least one NDA1403 type data acquisition intelligent module, and the NDA1403 type data acquisition intelligent module is connected with the temperature sensor 7. The NDA1403 type data acquisition intelligent module is used for automatically acquiring signals of various vibrating wire instruments, and is high in measurement accuracy, complete in function, strong in anti-interference capability and stable in operation. The method can be used for safety monitoring projects with severe use environments, such as hydraulic buildings, high slopes, roads, bridges, tunnels and the like.

The technical indexes are as follows:

(1) capacity of a measuring point: 16 channels/32 channels.

(2) And (3) measuring precision: the accuracy of time base is +/-0.005% (0-50 ℃), and the temperature is +/-0.5% FSR.

(3) Resolution ratio: frequency 0.1Hz, temperature 0.1 ℃.

(4) Measuring time: 2-4 seconds per channel.

(5) A communication interface: EIA-485, shielded twisted pair, 1200bps, more than 3 km; optical fiber, wireless and public telephone network communication alternatives.

(6) Data storage capacity: more than 300 times.

(7) Working temperature: the temperature can be between-20 ℃ and +60 ℃.

Storage temperature: minus 20 ℃ to plus 70 ℃.

Relative humidity: 5 to 80 percent.

Specifically, the RTU data acquisition unit 8 may employ a DAU2000 data acquisition unit. The DAU2000 data acquisition unit mainly comprises the following components: NDA series intelligent data acquisition module, NDA special uninterrupted power source, NDA communication module, dampproofing heater and multi-functional branch line row etc. part, these parts are installed in a seal box, seal box protection level IP56, water pressure resistance 0.3 MPa.

(1) The standard RS-485 field bus 20 is adopted to support 32 nodes, an optical fiber communication mode and an IEC104 electric power telecontrol communication control protocol.

(2) Number of channels per measurement unit: 8-32 channels;

(3) sampling an object: the sensor can collect data of various types of sensors, including sensors such as a CCD type sensor, a resistance type sensor, a piezoresistive type sensor, an inductance type sensor, a vibrating wire type sensor (home and abroad, a single-double coil), a capacitance type sensor, a potentiometer type sensor, an RS485 bus 20 type sensor and the like; in addition, the sensor with the transmitter can also acquire and output current, voltage and the like;

(4) the measurement mode is as follows: timing, interrupting, single detecting, polling, selecting detecting or arbitrarily setting detecting point group;

(5) sampling time: 2S-5S/point;

(6) the adaptive working environment: the temperature is-25 to +60 ℃, and the humidity is less than or equal to 95 percent;

(7) the system has lightning protection and electric functions;

(8) data storage capacity: more than 1000 times.

The mobile communication module 12 is a GPRS and/or GSM based mobile communication module 12. The main technical indexes are as follows:

the main technical indexes are as follows:

supporting a call or emergency call;

full rate is supported, and full rate and half rate are enhanced;

supporting QCELP 13k audio codec (CDMA part);

echo suppression and noise elimination functions are supported;

support for dual tone multi-frequency (DTMF);

GPRS data:

GPRS Class 10；

the coding scheme is as follows: CS1-CS 4;

the SMG31bis technical specification is met;

CDMA 1x data:

supporting IS 707 data services;

supporting a packet data rate of 153 kbps;

supporting Class 2.0Group 3 fax;

CDMA 2000 spreading mechanism:

conforms to the IS-95A, IS-95B CDMA air interface standard;

interface:

an antenna interface 50 ohm/SMA connector;

SIM/UIM card 3V;

serial data and configuration interface:

type RS-232/RS-422/RS-485/TTL;

data rate: 300-57600 bits/s;

an interface terminal: pluggable binding post, interval: 3.5mm, 12Pin

Audio interface: earphone and microphone (customized product support)

Basic functions are as follows:

and a GPRS part:

support dual-frequency GSM/GPRS;

supporting the use of STK cards;

meets the standard of ETSI GSM Phase 2 +;

a CDMA part:

supporting 800MHz double frequency;

supporting the use of UIM card;

compliance with FCC/SAR and CDG 1/2&3 standards;

an RS-232/422/485 interface or a TTL level interface is supported;

the use is convenient, flexible and reliable;

the data terminal is always on-line.

Enhancing the function:

transparent data transmission and protocol conversion;

supporting a virtual data private network;

supporting a dynamic data center domain name and an IP address;

the data transmission supports a single channel and a single center or multiple channels and multiple centers;

self-diagnosis and alarm output;

the remote configuration and maintenance of the graphical interface are supported (centralized management by a data center);

software upgrading is carried out through an Xmodem protocol;

the audio interface is supported, and the function expansion (customization is needed) is facilitated;

the electromagnetic compatibility design is optimized, and the application requirements of severe electromagnetic environment and high requirements are met;

the advanced power supply technology is adopted, the power supply has wide application range, and the stability of the equipment is improved;

the pluggable wiring terminal is adopted, so that the method is suitable for application in industrial control industry;

external power control is supported.

In order to ensure that the monitoring device can work reliably and normally under the severe conditions of thunder, rainstorm, power failure and the like, the power of the solar cell panel 9, the capacity of the storage battery 11 and the charge-discharge controller 10 are selected and matched according to the following factors:

the monitoring device can be maintained to normally work under the condition of continuous rainy days of 45 days, and the storage battery 11 can be fully charged within 10 days after the continuous rainy days of 45 days.

The temperature sensor 7 is packaged by a stainless steel shell and is sealed by heat-conducting sealant. The wall thickness of the stainless steel shell is 0.2mm, the heat storage capacity is very small, and the high heat conductivity of the heat conducting sealant is added, so that the response of the temperature sensor 7 to the temperature is extremely delayed, and the detection efficiency and the sensitivity are greatly improved.

The bottom end of the bus 20 is connected with a pressure type water level sensor 6, and the pressure type water level sensor 6 is connected with an RTU data acquisition unit 8 and used for monitoring the water level of the position of the buoy vessel 1.

The utility model also provides a temperature monitoring system before reservoir dam, temperature monitoring devices before the reservoir dam as above still includes the data monitoring center, and the data monitoring center includes SMS server 13, prevents that hot wall server 16, switch 18, database server 19, Web server 17, application server 15. The short message server 13 is in wireless communication with the mobile communication module 12 of the reservoir dam front water temperature monitoring device, the firewall server 16 is in connection communication with the short message server 13 through the internet 14, the application program server 15 and the Web server 17 are in connection communication with the firewall server 16, and the database server 19 is in connection communication with the firewall server 16 through the switch 18. The short message server 13 receives the temperature data of the temperature sensors 7 sent by the water temperature monitoring device through the mobile communication module 12 by wireless, the temperature data is sent to the firewall server 16 through the internet 14, and the data is stored in the database server 19 after passing through the firewall server 16 and the switch 18. The user can access the application server 15 through his client and the Web server 17 through a browser to access the desired data from the application server 15 and the Web server 17. The short message server 13 receives the temperature data of each sensor through GPRS and/or GSM based on GPRS and/or GSM communication.

The above-described embodiments are merely preferred embodiments, which are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (8)

1. The device for monitoring the water temperature in front of the reservoir dam is characterized by comprising a buoy boat which is used for being fixed on the surface of a water body in front of the reservoir dam, wherein an RTU data acquisition unit, a mobile communication module and a storage battery are arranged in the buoy boat, a temperature chain is connected to the bottom of the buoy boat and comprises a bus, a plurality of temperature sensors and a plurality of balancing weights are arranged on the bus at intervals along the length direction of the buoy boat, the lowest balancing weight is positioned below the lowest temperature sensor, the storage battery is used for supplying power to the RTU data acquisition unit, the mobile communication module and the temperature sensors, the temperature sensors are connected with the RTU data acquisition unit and used for sending sensed temperature signals to the RTU data acquisition unit, the RTU data acquisition unit is connected with the mobile communication module and used for sending the temperature data to the mobile communication module after the temperature signals are converted into the temperature data, the mobile communication module is used for transmitting the temperature data in a wireless mode, the water temperature monitoring device before the reservoir dam further comprises a rigid telescopic rod, the telescopic rod is vertically arranged in the water body, the bottom end of the telescopic rod is fixed to the bottom of the water body, the bottom of the buoy boat is fixedly connected to the top end of the telescopic rod, when the buoy boat floats up and down along with the change of the water level of the reservoir, the telescopic rod stretches up and down along with the up-and-down floating of the buoy boat.

2. The device for monitoring the water temperature in front of the reservoir dam as claimed in claim 1, wherein a solar cell panel is mounted on the upper surface of the buoy boat, a charge-discharge controller is mounted inside the buoy boat, the charge-discharge controller is connected with the solar cell panel, the storage battery, the RTU data acquisition unit, the mobile communication module and the temperature sensor, the solar cell panel charges the storage battery through the charge-discharge controller, and the storage battery supplies power to the RTU data acquisition unit, the mobile communication module and the temperature sensor through the charge-discharge controller.

3. The device for monitoring water temperature before a reservoir dam of claim 1, wherein the RTU data acquisition unit comprises at least one NDA1403 type data acquisition intelligent module, and the NDA1403 type data acquisition intelligent module is connected with the temperature sensor.

4. The device for monitoring water temperature before a reservoir dam of claim 1, wherein the mobile communication module is a GPRS and/or GSM based mobile communication module.

5. The pre-dam water temperature monitoring device according to claim 1, wherein said temperature sensor is encapsulated in a stainless steel housing and sealed by a thermally conductive sealant.

6. The device for monitoring the water temperature in front of the reservoir dam as claimed in claim 1, wherein a pressure type water level sensor is connected to the bottom end of the bus, and the pressure type water level sensor is connected with the RTU data acquisition unit.

7. A reservoir pre-dam water temperature monitoring system is characterized by comprising the reservoir pre-dam water temperature monitoring device as claimed in any one of claims 1 to 6, and further comprising a data monitoring center, wherein the data monitoring center comprises a short message server, a firewall server, a switch, a database server, a Web server and an application server;

the short message server is in wireless communication with the mobile communication module of the reservoir dam front water temperature monitoring device, the firewall server is in connection communication with the short message server through the internet, the application server and the Web server are in connection communication with the firewall server, and the database server is in connection communication with the firewall server through the switch.

8. The system for monitoring water temperature before a dam of a reservoir of claim 7, wherein the short message server is based on GPRS and/or GSM communication.

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