CN110788979A - Wireless intelligent temperature control maintenance system and method for long-slope panel concrete - Google Patents
Wireless intelligent temperature control maintenance system and method for long-slope panel concrete Download PDFInfo
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- CN110788979A CN110788979A CN201910966730.XA CN201910966730A CN110788979A CN 110788979 A CN110788979 A CN 110788979A CN 201910966730 A CN201910966730 A CN 201910966730A CN 110788979 A CN110788979 A CN 110788979A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/247—Controlling the humidity during curing, setting or hardening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/0063—Control arrangements
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to a long-slope panel concrete wireless intelligent temperature control maintenance system and method, wherein the system comprises a wireless temperature monitoring module, a computer, a wireless receiving module, an electromagnetic relay, a knife switch, an electric heater, a water tank, an electromagnetic flow valve, a main water pipe, a maintenance perforated pipe and a temperature probe. The computer receives the temperature data that the temperature probe that wireless temperature monitoring module gathered through wireless receiving module gathered, through system analysis and contrast, if the inside temperature of concrete is higher than the certain numerical value of concrete surface temperature, then system control electromagnetic relay is closed, and close electromagnetic flow valve, start electric heater and heat the interior maintenance water of water tank, electromagnetic flow valve is opened after the temperature rises and satisfies the requirement, spill the cloth at the concrete surface through main water pipe and maintenance floral tube, and then improve concrete surface temperature, realize the purpose of panel concrete wireless intelligence control by temperature change.
Description
Technical Field
The invention belongs to the field of concrete curing, and particularly relates to a wireless intelligent temperature control curing system and method for long-slope panel concrete.
Background
The panel concrete rock-fill dam is widely applied due to the advantages of wide filling materials, low construction cost of nearby material taking and the like, and the panel concrete is used as a core seepage-proofing structure, so that crack prevention and control are the key points of quality control. In order to enhance the quality control after concrete pouring, particularly to control the temperature difference between the inside and the outside of panel concrete in the curing process, and avoid the generation of cracks caused by larger temperature stress due to overlarge temperature difference between the inside and the outside. Considering that the construction environment of the panel dam has complex terrain, a large range and a long maintenance process, a maintenance system and a maintenance method which can intelligently monitor for a long time and work in a complex terrain environment are needed.
Disclosure of Invention
The invention aims to provide a long-slope panel concrete wireless intelligent temperature control maintenance system and method which reduce manpower, are intelligently maintained and are remotely controlled to be suitable for complex maintenance environments.
In order to solve the technical problems, the invention adopts the technical scheme that: a wireless intelligent temperature control maintenance system for long-slope panel concrete comprises a maintenance water tank, a main water pipe and a maintenance perforated pipe which are sequentially connected, wherein the maintenance perforated pipe is arranged above the panel concrete; the main water pipe is provided with an electromagnetic flow valve which is connected with a computer; an electric heater is arranged in the maintenance water tank and is connected with a computer through an electromagnetic relay; at least one temperature probe is respectively arranged in the maintenance water tank, the surrounding environment and the panel concrete and on the surface of the panel concrete; the temperature probe is connected with the wireless temperature monitoring module through a temperature probe pin wire to acquire temperature data; the wireless temperature monitoring module is communicated with a wireless receiving module connected with the computer. The computer runs special software capable of controlling the temperature of the curing system, can receive temperature data collected by a temperature probe collected by a wireless temperature monitoring module through a wireless receiving module, comprises the internal temperature of panel concrete, the surface temperature, the environmental temperature and the curing water temperature, completes the functions of data storage, analysis, temperature-time curve processing and text derivation, analyzes and compares the collected data, controls an electromagnetic relay to be closed and an electromagnetic flow valve to be closed if the internal temperature of the concrete is higher than the preset value of the surface temperature of the concrete, turns off the electromagnetic flow valve, starts an electric heater to heat the curing water in a curing water tank, transmits the water temperature to the system in real time by the temperature probe in the curing water tank, outputs an instruction to control the electromagnetic flow valve to be opened to supply water for curing if the water temperature rises to meet the curing requirement of the system, and distributes the curing water on the surface of the concrete through a main water pipe and a curing flower pipe, and further, the surface temperature of the concrete is improved, and the internal and external temperature difference of the concrete is controlled within a certain range.
Further, a knife switch is further arranged between the electric heater and the electromagnetic relay, so that the electric heater can be manually switched on and off, and the electric heater is convenient to maintain and operate.
Further, a ball valve is arranged at the connection part of the maintenance perforated pipe and the main water pipe; maintenance floral tube evenly is equipped with a plurality of delivery ports in panel concrete top position, realizes that the play water of maintenance water is even, can the outflow of manual control maintenance water through the ball valve.
Furthermore, when the distance between the temperature probe and the wireless temperature monitoring module is less than or equal to 50m, the temperature probe pin line adopts a common three-core wire; when the diameter is larger than 50m, 3/6/9 core shielding wires are adopted. The 3/6/9 core shield wire can realize the data transmission distance of 150m at most, guarantees the collection accuracy of temperature data.
Furthermore, the temperature probe adopts a thermal resistance type, the temperature measuring range is-50-200 ℃, the measuring precision is +/-0.5 ℃, the temperature probe is packaged by a stainless steel shell, and three leg wires of the temperature probe are respectively a power supply positive electrode, a power supply negative electrode and a signal source wire, so that the reliability of temperature data monitoring is ensured, and the temperature probe is waterproof, moistureproof and applicable to various working environments.
Further, the wireless temperature monitoring module works based on an industrial MODBUS-RTU protocol; the transmission baud frequency can be set to be 2400/4800/9600bps, the address code of the local module can be set, the coding range is 1-63, the practical integrated module for online monitoring of the low-cost temperature state is realized, the requirement for simultaneous operation of a plurality of wireless temperature monitoring modules can be met, the wireless temperature monitoring module is independently powered by 6V-24V direct-current power supplies, the wireless transmitting module is arranged in the wireless temperature monitoring module, and the acquired data are transmitted to a computer in real time.
Furthermore, a liquid level device is arranged in the maintenance water tank. The liquid level gauge is arranged near the lower part of the water inlet of the maintenance water tank, and the water level of the maintenance water tank is judged through the liquid level gauge, so that the maintenance water in the maintenance water tank is always full.
A wireless intelligent temperature control maintenance method for long-slope panel concrete comprises the following steps:
(a) collecting the internal and external temperature data of panel concrete and the water temperature data in a maintenance water tank;
(b) judging whether the temperature difference between the inside and the outside of the concrete of the section plate exceeds the standard or not through a preset value, closing an electromagnetic flow valve to stop the supply of maintenance water when the temperature difference exceeds the standard, closing an electromagnetic relay, and starting an electric heater in a maintenance water tank to heat the maintenance water; continuously heating the curing water when the curing water temperature does not meet the requirement, and continuing the step (c) when the curing water temperature meets the requirement;
(c) opening the electromagnetic flow valve, and curing water is used for curing the panel concrete through the main water pipe and the curing perforated pipe; and (c) repeating the steps (a) to (c) to finish the wireless intelligent temperature control maintenance of the long-slope panel concrete.
Further, the step (a) further comprises the steps of collecting environmental temperature data, and comparing the environmental temperature data, the panel concrete internal and external temperature data and the maintenance water tank internal water temperature data to judge whether the maintenance process is normally carried out.
Furthermore, the collection of the environmental temperature data, the panel concrete internal and external temperature data and the water temperature data in the curing water tank adopts a multi-point collection mode, and the average value of a plurality of data of each temperature is taken to obtain the required data.
Compared with the prior art, the invention has the beneficial technical effects that:
1. realized in panel concrete curing process, the inside and outside temperature of real-time monitoring record, the maintenance temperature, ambient temperature, through computer system intelligent analysis, according to the inside and outside difference in temperature control electric heater adjustment maintenance temperature of concrete, the maintenance temperature and then improve or reduce concrete surface temperature, with this real-time control that realizes the inside and outside difference in temperature of concrete, the intellectuality of inside and outside difference in temperature effective control of panel concrete has been reached, it lacks the data reference at panel concrete curing in-process to have solved personnel, can not master the real temperature data of concrete, lead to the drawback that the maintenance effect is poor, the effectual panel concrete curing effect that has improved, the concrete panel quality has been improved.
2. Through wireless mode transmission data, realize remote intelligence maintenance panel concrete, can adapt to various operational environment, application scope is wide, and the restriction in the topography region that receives is less, is applicable to large-scale water conservancy water and electricity project, when having avoided temperature monitoring to adopt the line connection, the problem of the complicated easy trouble of wiring.
3. The multi-temperature data acquisition is carried out, the maintenance effect is improved, the real-time and accuracy of the data are realized, and the monitoring is carried out to prevent the abnormal maintenance process.
Drawings
FIG. 1 is a schematic diagram of the present invention.
FIG. 2 is a schematic flow diagram of the present invention.
In the figure, 1 is a computer, 2 is a wireless receiving module, 3 is a wireless temperature monitoring module, 4 is a temperature probe pin, 5 is a temperature probe, 6 is an electromagnetic relay, 7 is a knife switch, 8 is a water tank, 9 is an electric heater, 10 is a main water pipe, 11 is an electromagnetic flow valve, 12 is a maintenance flower pipe, and 13 is panel concrete.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the wireless intelligent temperature control maintenance system for the long-slope panel concrete comprises a maintenance water tank 8, a main water pipe 10 and a maintenance perforated pipe 12 which are connected in sequence, wherein the maintenance perforated pipe 12 is arranged above panel concrete 13; an electromagnetic flow valve 11 is arranged on the main water pipe 10, and the electromagnetic flow valve 11 is connected with the computer 1; an electric heater 9 is arranged in the maintenance water tank, and the electric heater 9 is connected with the computer 1 through an electromagnetic relay 6; at least one temperature probe 5 is respectively arranged in the maintenance water tank 8, the surrounding environment and the panel concrete 13 and on the surface of the panel concrete; if a plurality of temperature probes 5 are arranged at the same position, the data processing is carried out after the average value is taken after the setting is carried out in the intelligent temperature control maintenance system; the temperature probe 5 is connected with the wireless temperature monitoring module 3 through a temperature probe pin wire 4 to acquire temperature data; the wireless temperature monitoring module 3 is communicated with a wireless receiving module 2 connected with the computer 1. The electromagnetic flow valve 11 is connected with a COM2 interface of the computer 1; the electromagnetic flow valve 11 can control the curing water flow and the on-off state, and the system automatically controls the electromagnetic flow valve 11 to control the curing water to flow out according to the curing area only after the water temperature reaches the system requirement. The electromagnetic relay 11 is interfaced with COM1 of the computer 1; a knife switch 7 is arranged between the electric heater 9 and the electromagnetic relay 6, so that the electric heater can be conveniently switched on and off manually, and the electric heater 9 can be conveniently maintained and operated.
A ball valve is arranged at the joint of the maintenance perforated pipe 12 and the main water pipe 10; the maintenance perforated pipe 12 is uniformly provided with a plurality of water outlets at the upper part of the panel concrete 13. The maintenance perforated pipe adopts a PE pipe with a small diameter, the diameter of the water outlets is 2mm, the distance between the water outlets is 10cm, and uniform water outlet is realized.
When the distance between the temperature probe 5 and the wireless temperature monitoring module 3 is less than or equal to 50m, the temperature probe leg wire 4 adopts a common three-core wire; when the diameter is larger than 50m, 3/6/9 core shielding wires are adopted. A single wireless temperature monitoring module can be connected with 180 temperature probes at most theoretically, and if the length of a temperature measurement pin line is large and the range is wide, the temperature measurement pin line is generally connected with 15 temperature probes at most, so that the accuracy of collected temperature data is guaranteed.
The temperature probe 5 adopts a thermal resistance type, the temperature measuring range is-50-200 ℃, the measuring precision is +/-0.5 ℃, the temperature probe is packaged by a stainless steel shell, and three leg wires of the temperature probe are respectively a power supply positive electrode, a power supply negative electrode and a signal source wire, so that the reliable comparison of the monitored temperature data can be ensured.
The wireless temperature monitoring module 3 works based on an industrial MODBUS-RTU protocol; the transmission baud frequency can be set to be 2400/4800/9600bps, the address code of the local module can be set, the coding range is 1-63, the practical integrated module for online monitoring of the low-cost temperature state is realized, the requirement for simultaneous operation of a plurality of wireless temperature monitoring modules 3 can be met, the direct-current power supply of 6V-24V is independently adopted, the wireless transmitting module is arranged in the wireless transmitting module, and the acquired data are transmitted in real time.
A liquid level device is arranged in the maintenance water tank 8. The water inlet of the maintenance water tank 8 is at the high level of the water tank, the water outlet is at the low level of the water tank, and the liquid level gauge arranged at the water inlet can realize the automatic control of the water level in the maintenance water tank 8 to keep a normal full state.
A wireless intelligent temperature control maintenance method for long-slope panel concrete comprises the following steps:
(a) collecting the internal and external temperature data of the panel concrete 13 and the water temperature data in the maintenance water tank 8;
(b) judging whether the temperature difference between the inside and the outside of the concrete 13 of the panel exceeds the standard or not through a preset value, closing the electromagnetic flow valve 11 to stop the supply of the maintenance water when the temperature difference exceeds the standard, closing the electromagnetic relay 6, and starting the electric heater 9 in the maintenance water tank 8 to heat the maintenance water; continuously heating the curing water when the curing water temperature does not meet the requirement, and continuing the step (c) when the curing water temperature meets the requirement;
(c) opening an electromagnetic flow valve 11, and curing water is used for curing panel concrete 13 through a main water pipe 10 and a curing perforated pipe 12; and (c) repeating the steps (a) to (c) to carry out wireless intelligent temperature control maintenance on the long-slope panel concrete.
And (a) acquiring environmental temperature data, and comparing the environmental temperature data, the temperature data inside and outside the panel concrete 13 and the water temperature data in the maintenance water tank 8 to judge whether the maintenance process is normally carried out.
The collection of the environmental temperature data, the data of the internal and external temperatures of the panel concrete 13 and the data of the water temperature in the maintenance water tank 8 adopts a multi-point collection mode, and the average value of a plurality of data of each temperature is taken to obtain the required data. In order to further realize intelligent temperature control, the data acquisition of the temperature probe 5 is real-time, the 1min acquisition frequency can be generally set, the real-time and accuracy of the data are realized, and the purpose of wireless intelligent temperature control of panel concrete is realized through system control.
Claims (10)
1. The wireless intelligent temperature control maintenance system for the long-slope panel concrete is characterized by comprising a maintenance water tank (8), a main water pipe (10) and a maintenance perforated pipe (12) which are sequentially connected, wherein the maintenance perforated pipe (12) is arranged above the panel concrete (13); an electromagnetic flow valve (11) is arranged on the main water pipe (10), and the electromagnetic flow valve (11) is connected with the computer (1); an electric heater (9) is arranged in the maintenance water tank, and the electric heater (9) is connected with the computer (1) through an electromagnetic relay (6); at least one temperature probe (5) is respectively arranged in the maintenance water tank (8), the surrounding environment, the panel concrete (13) and the surface; the temperature probe (5) is connected with the wireless temperature monitoring module (3) through a temperature probe pin line (4) to acquire temperature data; the wireless temperature monitoring module (3) is communicated with a wireless receiving module (2) connected with the computer (1).
2. The wireless intelligent temperature-controlled maintenance system for the long-slope panel concrete according to claim 1, characterized in that a switch (7) is further arranged between the electric heater (9) and the electromagnetic relay (6).
3. The wireless intelligent temperature-controlled maintenance system for the long-slope panel concrete according to claim 1, characterized in that a ball valve is arranged at the joint of the maintenance perforated pipe (12) and the main water pipe (10); the maintenance perforated pipe (12) is evenly provided with a plurality of water outlets above the panel concrete (13).
4. The wireless intelligent temperature control maintenance system for the long-slope panel concrete according to claim 1, characterized in that the temperature probe leg wires (4) adopt common three-core wires when the distance between the temperature probe (5) and the wireless temperature monitoring module (3) is less than or equal to 50 m; when the diameter is larger than 50m, 3/6/9 core shielding wires are adopted.
5. The wireless intelligent temperature-control maintenance system for the long-slope panel concrete according to claim 1, wherein the temperature probe (5) is of a thermal resistance type, has a temperature measuring range of-50-200 ℃, has a measuring precision of +/-0.5 ℃, is packaged by a stainless steel shell, and has three leg wires, namely a power supply positive electrode, a power supply negative electrode and a signal source wire.
6. The wireless intelligent temperature-controlled maintenance system for the long-slope panel concrete according to claim 1, characterized in that the wireless temperature monitoring module (3) works based on industrial MODBUS-RTU protocol.
7. The wireless intelligent temperature-controlled maintenance system for the long-slope panel concrete according to claim 1, characterized in that a liquid level gauge is arranged in the maintenance water tank (8).
8. A wireless intelligent temperature control maintenance method for long-slope panel concrete is characterized by comprising the following steps:
(a) collecting the internal and external temperature data of the panel concrete (13) and the internal water temperature data of the maintenance water tank (8);
(b) judging whether the temperature difference between the inside and the outside of the panel concrete (13) exceeds the standard or not through a preset value, closing an electromagnetic flow valve (11) to stop the supply of maintenance water when the temperature difference exceeds the standard, closing an electromagnetic relay (6), and starting an electric heater (9) in a maintenance water tank (8) to heat the maintenance water; continuously heating the curing water when the curing water temperature does not meet the requirement, and continuing the step (c) when the curing water temperature meets the requirement;
(c) opening an electromagnetic flow valve (11), and curing water is used for curing the panel concrete (13) through a main water pipe (10) and a curing perforated pipe (12); and (c) repeating the steps (a) to (c) to finish the wireless intelligent temperature control maintenance of the long-slope panel concrete.
9. The wireless intelligent temperature-controlled maintenance method for the long-slope panel concrete according to claim 8, wherein the step (a) further comprises the steps of collecting environment temperature data, and comparing the environment temperature data, the panel concrete (13) internal and external temperature data and the maintenance water tank (8) internal water temperature data to judge whether the maintenance process is normally carried out.
10. The wireless intelligent temperature-controlled maintenance method for the long-slope panel concrete according to claim 9, characterized in that the collection of the environmental temperature data, the temperature data inside and outside the panel concrete (13) and the water temperature data inside the maintenance water tank (8) adopts a multi-point collection mode, and the average value of a plurality of data of each temperature is obtained to obtain the required data.
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| CN201910966730.XA CN110788979B (en) | 2019-10-12 | 2019-10-12 | Wireless intelligent temperature control maintenance system and method for long-slope panel concrete |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794536A (en) * | 2020-07-03 | 2020-10-20 | 中国水利水电第六工程局有限公司 | Rock wall crane beam concrete temperature control method, device and system |
| CN113981837A (en) * | 2021-12-15 | 2022-01-28 | 中国十七冶集团有限公司 | Concrete hydration heat control device and use method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111794536A (en) * | 2020-07-03 | 2020-10-20 | 中国水利水电第六工程局有限公司 | Rock wall crane beam concrete temperature control method, device and system |
| CN113981837A (en) * | 2021-12-15 | 2022-01-28 | 中国十七冶集团有限公司 | Concrete hydration heat control device and use method |
| CN113981837B (en) * | 2021-12-15 | 2023-06-23 | 中国十七冶集团有限公司 | Concrete hydration heat control device and use method |
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