CN101556191A - Multipath temperature patrol inspection system of mass concrete structure - Google Patents
Multipath temperature patrol inspection system of mass concrete structure Download PDFInfo
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- CN101556191A CN101556191A CNA2009100687821A CN200910068782A CN101556191A CN 101556191 A CN101556191 A CN 101556191A CN A2009100687821 A CNA2009100687821 A CN A2009100687821A CN 200910068782 A CN200910068782 A CN 200910068782A CN 101556191 A CN101556191 A CN 101556191A
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Abstract
The invention relates to a multichannel temperature patrol inspection system of a mass concrete structure. The multichannel temperature patrol inspection system is characterized in that the system comprises a main control module, a storage module, a group of temperature sensor modules, a data transmission module, a display module and a real-time clock module, and the storage module, the group of temperature sensor modules, the data transmission module and the display module are all electrically connected with the main control module. The system has simple structure and low cost and can precisely and timely transmits real-time temperature data measured at different measurement points in the mass concrete structure to an upper computer by combining the main control module which takes a microprocessor as the core and the convenient and flexible data transmission way, thereby leading the upper computer to rapidly analyze and determine the uploaded data. The system can be applicable to different work sites through USB or Zigbee data transmission way.
Description
Technical field
The present invention relates to a kind of Concrete Structure Temperature checkout equipment in the building trade, especially a kind of multipath temperature patrol inspection system of mass concrete structure.
Background technology
Xoncrete structure has a wide range of applications in the modern project construction, such as the box foundation of the basis of the large equipment base in the industrial building, large-scale structures, high level, superelevation layer and specific function building, to have than the thick big cushion cap of pile foundation of high-bearing capacity etc. all be the bigger reinforced concrete structure of volume.After the xoncrete structure of above-mentioned various structures was built, its internal temperature can raise, and it mainly is that this temperature variation is generally 20～30 ° in building trade, even higher owing to cement liberated heat in hydration process that temperature raises.The temperature stress that this temperature variation produces is to cause xoncrete structure to produce the principal element in crack, and the temperature difference is bigger, and temperature stress is also bigger, and needs the long time during xoncrete structure natural heat dissipation.
Along with China's rapid economic development, the more and more large-scale change of engineering construction scale, a large amount of appearance of large volume concrete structural in general industry and covil construction (according to the relevant regulations of high-building construction handbook: the structure section of single face heat radiation causes that at the above hydration heat of 1000mm temperature difference between inside and outside concrete is 25 in two-sided heat radiation more than the 750mm " xoncrete structure C more than can be described as large volume concrete structural).Because it is bulky, the primary concreting amount is big, the engineering specifications complexity, if working measure control is ineffective, bigger temperature difference very easily produces various concrete structure cracks, and the lighter can influence concrete permanance, and weight person also can have a strong impact on mechanical properties of concrete, studies have shown that the temperature in the hardening of cement process is controlled, can effectively prevent the generation in crack.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, with low cost, be core with the microprocessor and adopt convenient, flexible data transfer mode, can detect the multipath temperature patrol inspection system of mass concrete structure of different test point real time temperatures in the large volume concrete structural accurately, in time.
The objective of the invention is to be achieved through the following technical solutions:
A kind of multipath temperature patrol inspection system of mass concrete structure, it is characterized in that: this system comprises main control module, memory module, one group of temperature sensor module, data transmission module, display module and real-time clock module, and described memory module, one group of temperature sensor module, data transmission module and display module all are electrically connected main control module.
And the quantity of described one group of temperature sensor module is 2～22.
And described data transmission module is the USB transport module, and the chip that this USB transport module uses is CH375.
And described data transmission module is the Zigbee wireless transport module, and this wireless transport module is electrically connected the main control module by serial port module.
And the input/output interface of described main control module also is electrically connected with Keysheet module.
And the chip that uses in the described main control module is ATmega162.
And the chip that described memory module is used is AT24c512.
And the chip that described each temperature sensor module is used is DS18b20.
And the chip that described real-time clock module uses is DS1302.
Advantage of the present invention and beneficial effect are:
1, this cruising inspection system mainly is made up of main control module, memory module, temperature sensor module, data transmission module and real-time clock module, and wherein memory module, temperature sensor module and data transmission module all are connected the input/output interface of main control module.Temperature sensor module is used to detect large volume concrete structural temperature everywhere and this temperature signal is directly transferred to the main control module, the main control module compares the upload operation of carrying out alarm operation or temperature signal after the judgement to this temperature signal, whole process is finished automatically, its automatization level height, data rate are fast, and monitor staff's very first time both can have been understood the temperature data of determinand.
2, the chip that the main control module adopts in this cruising inspection system is ATmega162, certainly use other common processor chips also to be fine, this chip has advantage low in energy consumption, that execution speed is fast, and by the system performance of this chip development is reliable, cost is lower, software relates to flexibly, the hardware interface feature richness.
3, the chip that temperature sensor module is used in this cruising inspection system is DS18b20, this chip only needs a Tiaokou line promptly can realize communication with processor, do not need to use the A/D circuit during with the processor communication, support the multiple spot networking, its temperature-measuring range is big, and testing result is accurate, precision is high, antijamming capability is strong.
4, the chip of the use of the real-time clock module in this cruising inspection system is DS1302, this chip is the real-time timepiece chip of a kind of high-performance of releasing of U.S. DALLAS company, low-power consumption, band RAM, use behind this chip to for a long time continuously TT﹠C system result's analysis and reason that abnormal data is occurred search significantly, it makes microprocessor can write down the time of its appearance accurately in record data.
5, the data transmission module in this cruising inspection system can use the USB transmission mode, also can use the Zigbee wireless transmission method.The USB transmission mode is supported the high speed communication mode of USB-HOST and USB-DEVICE/SLAVE, can carry out the exchange of mass data apace with host computer.Have low-power consumption, low cost during the Zigbee wireless transmission method, prolong in short-term, the advantage of high power capacity and high safety.The use of can arranging in pairs or groups flexibly of two kinds of working methods can be used easily in different working sites.
6, the present invention is simple in structure, with low cost, it has with the microprocessor is the main control module of core and convenient, flexible data transfer mode, by the combination of the two, the real time temperature data of can be accurately, timely different test points in the large volume concrete structural being measured are sent to host computer, make host computer analyze, to judge the data of uploading rapidly.By the data transfer mode of USB or Zigbee, it goes for different working sites.
Description of drawings
Fig. 1 is a circuit block diagram of the present invention;
Fig. 2 uses the circuit block diagram of Zigbee wireless transport module for data transmission module of the present invention;
Fig. 3 is the circuit theory diagrams that the Zigbee transport module is connected with serial port module;
Fig. 4 is the workflow diagram of the temperature detection program of pre-stored in the main control module.
Embodiment
The invention will be further described below in conjunction with accompanying drawing and by specific embodiment, and following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
A kind of multipath temperature patrol inspection system of mass concrete structure, as depicted in figs. 1 and 2, its technological innovation is: this system comprises main control module, memory module, one group of temperature sensor module, data transmission module, display module and real-time clock module, wherein memory module, one group of temperature sensor module, data transmission module and display module all are electrically connected main control module, the real time temperature data delivery that this data transmission module detects temperature sensor module is to host computer, and right host computer is printed or storage.
The chip that uses in the main control module is ATmega162, this chip is 8 single-chip microcomputers of a Low-Power CMOS based on AVRRISC released of atmel corp, ATmega162 is by carrying out an instruction in a clock period, can reach performance, thereby make the designer between power consumption and execution speed, to average out near 1MIPS/MHz.This chip links together 32 general purpose working registers and abundant instruction set, all work registers all directly link to each other with the ALU ALU, the individual instructions that permission was carried out in a clock period is visited two independently registers simultaneously, this structure has improved code efficiency, this chip is compared with common CISC single-chip microcomputer improved 10 times performance nearly, adopt the system performance of ATmega162 exploitation reliable, cost is lower, flexible software design, hardware interface feature richness, for system upgrade has from now on been created good condition.
Memory module is electrically connected the input/output interface of main control module, the chip of its use is AT24c512, this chip is the 64KB serial programmable storer that atmel corp produces, it adopts eight pin package, have characteristics such as compact conformation, memory capacity be big, can and connect four chips on two line buses, be specially adapted to have the data acquisition system (DAS) that mass data storage requires.
One group of temperature sensor module is electrically connected the input/output interface of main control module, and it can be provided with 2～22, and the diverse location that is separately positioned on large volume concrete structural is to realize the real-time measurement of multi-point temp.The chip that each temperature sensor module is used is DS18b20, and this chip is the digital temperature sensor of the support one-wire bus interface of Dallas semiconductor company production, and it has following characteristic:
1. it is wideer to adapt to voltage range, voltage range: 3.0～5.5V;
2. Du Te one-wire bus interface, DS18B20 only need a Tiaokou line can realize both-way communication with microprocessor when being connected with microprocessor;
3. support the multiple spot networking function, a plurality of DS18B20 can be connected in parallel on unique three-way on, realize the networking multi-point temperature measurement;
4. without any need for peripheral cell, all sensing element and change-over circuit are integrated in the integrated circuit of shape as a triode, can directly be connected with the input/output interface of microprocessor in using;
5. normal range of operation is-55～125 ℃, and precision is ± 0.5 ℃ in the time of-10～85 ℃;
6. programmable resolution is 9～12, and corresponding distinguishable temperature is respectively 0.5 ℃, 0.25 ℃, 0.125 ℃ and 0.0625 ℃, can realize high precision measuring temperature;
When 9 bit resolutions at most in 93.75ms temperature transition be the numeral, in 750ms, temperature value is converted to numeral at most during 12 bit resolutions, speed is fast;
8. measurement result is directly exported digital temperature signal, gives microprocessor with the one-wire bus serial transfer, can transmit the CRC check sign indicating number simultaneously, has extremely strong anti-interference error correcting capability;
9. electric power polarity connects inverse time, and chip can not burn because of heating.
Data transmission module such as Fig. 1 or shown in Figure 2, can use the USB transport module, also can use the Zigbee wireless transport module, difference according to site environment, the two can use jointly, its fundamental purpose be real time temperature data transmission with temperature sensor module output to host computer, print or store by host computer, below USB transport module and Zigbee wireless transport module are described respectively:
The USB transport module
The chip that this module is used is CH375, and this chip is the common interface chip of a usb bus, supports USB-HOST host mode and USB-DEVICE/SLAVE DeviceMode.Have 8 bit data bus and reading and writing, sheet at local side CH375 and select control line and interrupt output, can be advantageously connected to the input/output interface of microprocessor.Under the usb host mode, the CH375 chip also provides serial communication mode, is connected with microprocessor by serial input, serial output and interruption output.When being connected with the main control module, parallel communication mode, also can adopt serial communication mode, adopt the serial communication pattern between USB transport module of being made up of the CH375 chip in the present embodiment and the main control module, promptly the TXD of CH375 chip and RXD are electrically connected the TXD1 and the RXD1 interface of ATmega162 chip respectively.
The Zigbee wireless transport module
This module can be the circuit that the chip of any one company among TI/CHIPCON, EMBER (ST), JENNIC (prompt power), FREESCALE or the MICROCHIP is set up.Adopt the RS232C standard agreement to realize both-way communication between main control module and the Zigbee wireless transport module.RS-232 is one of serial communication bus standard interface, the logic level of its signal is symmetrical over the ground, the logical zero level is defined as 5～15V, the logical one level is-5～15V, therefore, the level of the level of RS-232 signal and microprocessor serial port signal is inconsistent, must carry out level conversion between the two, the level transferring chip of using in the present embodiment is MAX232, as shown in Figure 3, use list+5V power supply, connect 4 0.1uF electrochemical capacitors and can finish conversion between RS-232 level and the Transistor-Transistor Logic level, the T2IN of this MAX232 chip and R2OUT interface are connected the TXD0 and the RXD0 interface of ATmegal62 chip respectively.
This Zigbee wireless transport module has low-power consumption, low cost, prolongs in short-term, the advantage of high power capacity and high security, after increasing the RF emissive power, transmission range between its adjacent node rises to 1～3 kilometer, if the relay by route and inter-node communication, its transmission range is farther.And the Zigbee network can also be connected with existing other diverse network
As shown in the above, data transmission module can use the USB transmission mode, also can use the Zigbee wireless transmission method, two kinds of working methods can be used respectively, also can use jointly, use-pattern is flexible, can fast and accurately the real time temperature data of diverse location in the large volume concrete structural and the time of data recording be transferred to host computer, can use easily in different working sites.
Be electrically connected a real-time clock module on the input/output interface of main control module, the chip that this real-time clock module uses is DS1302, this chip is the real-time timepiece chip of a kind of high-performance of releasing of U.S. DALLAS company, low-power consumption, band RAM, makes microprocessor can write down the time of its appearance accurately in the record temperature data after using this chip.
On-the-spot for convenience man-machine interaction, on the input/output interface of main control module, also be electrically connected with display module and Keysheet module, real-time the showing of temperature data of each temperature sensor module that this display module can be received the main control module, be convenient to operating personnel's real-time monitoring, the chip that this Keysheet module uses is CH452, and the input that makes things convenient for operating personnel's steering order, query statement or other instruction behind the Keysheet module is set.
The workflow diagram of the temperature detection program of pre-stored is as shown in Figure 4 in the main control module of the present invention:
1. program begins;
2.A01：
ATmega162 receives the real time temperature data of the large volume concrete structural diverse location that detects from each DS18b20 with the working method of patrolling and examining, and is recorded as Tn (n is the integer in 1～22) respectively;
3.ATmega162 it is read the current time t (form of t is " month day time-division ") of DS1302 when receiving each Tn, and the numerical value of the two is temporary;
4.ATmega162 database is printed or deposited in to temporary temperature, time data by USB transport module or Zigbee wireless transport module or the two in conjunction with being delivered to host computer;
Is 5. work finished?
Unfinished work, program jump to the A01 place to be continued to carry out;
Finish the work EOP (end of program).
Principle of work of the present invention is:
1. operating personnel are installed in the working-yard with cruising inspection system, then temperature sensor module are installed in the relevant position that large volume concrete structural needs detected temperatures;
2. operating personnel choose the suitable data transmission mode, such as: can use USB transport module or Zigbee wireless transport module separately, also can use two transport modules simultaneously according to the requirement of actual field;
3. after hardware installs, operating personnel's energized;
4. cruising inspection system is according to the work of the temperature detection Automatic Program of its inside pre-stored, and the real time temperature data and the time corresponding of each temperature sensor module is delivered to host computer, and host computer is received the laggard line printing operation of these two data or deposited database in.
Claims (9)
1, a kind of multipath temperature patrol inspection system of mass concrete structure, it is characterized in that: this system comprises main control module, memory module, one group of temperature sensor module, data transmission module, display module and real-time clock module, and described memory module, one group of temperature sensor module, data transmission module and display module all are electrically connected main control module.
2, multipath temperature patrol inspection system of mass concrete structure according to claim 1 is characterized in that: the quantity of described one group of temperature sensor module is 2～22.
3, multipath temperature patrol inspection system of mass concrete structure according to claim 1 is characterized in that: described data transmission module is the USB transport module, and the chip that this USB transport module uses is CH375.
4, multipath temperature patrol inspection system of mass concrete structure according to claim 1 is characterized in that: described data transmission module is the Zigbee wireless transport module, and this wireless transport module is electrically connected the main control module by serial port module.
5, multipath temperature patrol inspection system of mass concrete structure according to claim 1 is characterized in that: the input/output interface of described main control module also is electrically connected with Keysheet module.
6, multipath temperature patrol inspection system of mass concrete structure according to claim 1 is characterized in that: the chip that uses in the described main control module is ATmega162.
7, multipath temperature patrol inspection system of mass concrete structure according to claim 1 is characterized in that: the chip that described memory module is used is AT24c512.
8, multipath temperature patrol inspection system of mass concrete structure according to claim 1 and 2 is characterized in that: the chip that described each temperature sensor module is used is DS18b20.
9, multipath temperature patrol inspection system of mass concrete structure according to claim 1 is characterized in that: the chip that described real-time clock module uses is DS1302.
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| CNA2009100687821A CN101556191A (en) | 2009-05-11 | 2009-05-11 | Multipath temperature patrol inspection system of mass concrete structure |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793565A (en) * | 2010-04-02 | 2010-08-04 | 广西民族师范学院 | High-precision multi-path temperature-measuring method and device |
| CN101915627A (en) * | 2010-07-08 | 2010-12-15 | 中国水利水电科学研究院结构材料研究所 | Method for detecting temperature distribution, temperature gradient, thermal insulation effect and local solar radiant heat of concrete structure |
| CN103884440A (en) * | 2014-03-03 | 2014-06-25 | 河海大学文天学院 | Multi-channel temperature remote collecting display system |
| CN103970076A (en) * | 2013-01-30 | 2014-08-06 | 张永生 | Large-volume deposit concrete cooling water intelligent control system |
| CN104075817A (en) * | 2014-07-10 | 2014-10-01 | 哈尔滨量具刃具集团有限责任公司 | Digital multi-channel temperature detection system |
| CN105424207A (en) * | 2015-12-19 | 2016-03-23 | 管存忠 | One-board intelligent multi-channel voice temperature measurer |
| CN104199339B (en) * | 2014-08-08 | 2017-01-25 | 华北科技学院 | Portable first-line bus temperature monitoring instrument and achievement method thereof |
| CN106768447A (en) * | 2016-11-23 | 2017-05-31 | 河海大学 | A kind of multi source contribution formula concrete temperature intelligence control system |
-
2009
- 2009-05-11 CN CNA2009100687821A patent/CN101556191A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793565A (en) * | 2010-04-02 | 2010-08-04 | 广西民族师范学院 | High-precision multi-path temperature-measuring method and device |
| CN101915627A (en) * | 2010-07-08 | 2010-12-15 | 中国水利水电科学研究院结构材料研究所 | Method for detecting temperature distribution, temperature gradient, thermal insulation effect and local solar radiant heat of concrete structure |
| CN101915627B (en) * | 2010-07-08 | 2012-01-25 | 中国水利水电科学研究院 | Method for detecting temperature distribution, temperature gradient, thermal insulation effect and local solar radiant heat of concrete structure |
| CN103970076A (en) * | 2013-01-30 | 2014-08-06 | 张永生 | Large-volume deposit concrete cooling water intelligent control system |
| CN103884440A (en) * | 2014-03-03 | 2014-06-25 | 河海大学文天学院 | Multi-channel temperature remote collecting display system |
| CN104075817A (en) * | 2014-07-10 | 2014-10-01 | 哈尔滨量具刃具集团有限责任公司 | Digital multi-channel temperature detection system |
| CN104199339B (en) * | 2014-08-08 | 2017-01-25 | 华北科技学院 | Portable first-line bus temperature monitoring instrument and achievement method thereof |
| CN105424207A (en) * | 2015-12-19 | 2016-03-23 | 管存忠 | One-board intelligent multi-channel voice temperature measurer |
| CN106768447A (en) * | 2016-11-23 | 2017-05-31 | 河海大学 | A kind of multi source contribution formula concrete temperature intelligence control system |
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Application publication date: 20091014 |