CN203573184U - High altitude large volume wind turbine base concrete temperature control system - Google Patents
High altitude large volume wind turbine base concrete temperature control system Download PDFInfo
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- CN203573184U CN203573184U CN201320773963.6U CN201320773963U CN203573184U CN 203573184 U CN203573184 U CN 203573184U CN 201320773963 U CN201320773963 U CN 201320773963U CN 203573184 U CN203573184 U CN 203573184U
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Abstract
The utility model provides a high altitude large volume wind turbine base concrete temperature control system. A number of vertical support rods are radially and uniformly distributed along one side of base concrete. A temperature measuring line is arranged on the support rods. The temperature measuring line is connected with a number of temperature measuring sensors which are arranged from top to bottom. The tip, which is located outside the base concrete, of the temperature measuring line is provided with a wiring terminal which is connected with a concrete temperature measuring instrument. A drainage pipe is arranged in the base concrete. The drainage pipe is located on the side away from the temperature measuring line. The high altitude large volume wind turbine base concrete temperature control system provided by the utility model can effectively carry out real-time monitoring on the temperature in the concrete, so as to avoid pull-apart cracks on the concrete surface, wherein the cracks are caused by temperature stress produced by large temperature difference between the inside and outside concrete.
Description
Technical field
The utility model relates to a kind of temperature control system, particularly a kind of high height above sea level large volume blower foundation Concrete Temperature Control system.
Background technology
In recent years, domestic wind-powered electricity generation industry has obtained quick swift and violent development.Wind-power electricity generation is mainly that wind energy drives wind power generating set to rotate, thus generating.Blower fan belongs to tall and slender structure, so blower foundation is extremely important.At present, land blower foundation mostly is reinforced concrete spread foundation, and projected depth is shallow, base radius is large, belongs to base concrete; In when construction, need primary concreting moulding, due to concrete hydrating heat effect, after concreting, 6h just starts to discharge a large amount of hydration heat, when concrete internal temperature and external temperature differ larger, just easily at concrete surface, produces huge tension; When this tension exceedes the concrete tension limit, will cause concrete surface to produce crack, fan runs well and hides some dangers for, and shortens the blower fan working time.So blower foundation concrete must be selected suitable construction material and method when construction, strictly controls work progress, guarantees construction quality.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of high height above sea level large volume blower foundation Concrete Temperature Control system, can monitor the concrete internal and external temperature of large volume blower foundation, so that adopt follow-up treatment measures, and cost is lower.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of high height above sea level large volume blower foundation Concrete Temperature Control system, along the multiple vertical support bars of radial equipartition of base concrete one side, support bar is provided with thermometric line, thermometric line is connected with the multiple temperature probes that arrange from top to bottom, and the termination that thermometric line is positioned at outside base concrete is provided with the connection terminal for being connected with concrete measuring temperature instrument.
In base concrete, be also provided with drainpipe, drainpipe is positioned at the opposite side away from thermometric line.
Between support bar and temperature probe, be provided with thermofin.
Described thermofin is polyfoam or wooden unit.
Described thermometric line is 4-6 root.
The high height above sea level large volume of the one blower foundation Concrete Temperature Control system that the utility model provides, can effectively carry out Real-Time Monitoring to the temperature of inside concrete; And gather, analyze and learn through data, blower foundation concrete after building the 4th day time its internal temperature reach the highest.Through construction overall process, carry out temperature control measures, as reduce aggregate temperature, guarantee that the time of building is between 6 ~ 10h and suitable insulation, moisture-keeping maintaining measure, can guarantee that blower foundation temperature difference between inside and outside concrete is not more than 25 ℃ completely, thereby prevent that the temperature stress causing because temperature difference between inside and outside concrete is excessive from causing concrete surface drawing crack crack.Because the concrete shape of blower foundation is comparatively regular, therefore the Temperature Distribution in it is conventionally comparatively balanced, therefore along the multiple temperature probes of radial line layer distributed, can infer the temperature of other corresponding radial positions, thereby can save to measure, control cost.The arrangement that adopts concrete measuring temperature instrument and thermometric line to patch, has further reduced cost of equipment.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is that arrangement master of the present utility model looks schematic diagram.
Fig. 2 is arrangement schematic top plan view of the present utility model.
In figure: base concrete 1, drainpipe 2, temperature probe 3, thermometric line 4, support bar 5, concrete measuring temperature instrument 6.
Embodiment
In Fig. 1,2, a kind of high height above sea level large volume blower foundation Concrete Temperature Control system, along the multiple vertical support bars 5 of radial equipartition of base concrete 1 one sides, support bar 5 is provided with thermometric line 4, thermometric line 4 is connected with the multiple temperature probes 3 that arrange from top to bottom, and the termination that thermometric line 4 is positioned at outside base concrete 1 is provided with the connection terminal for being connected with concrete measuring temperature instrument 6.Structure thus, during measurement, concrete measuring temperature instrument 6 connects the connection terminal of thermometric line 4 terminations successively, can obtain the temperature of each temperature probe 3, thereby records the internal temperature of base concrete 1.
As being also provided with drainpipe 2 in base concrete 1 in Fig. 1,2, for base concrete 1 internal cooling, draining, drainpipe 2 is positioned at the opposite side away from thermometric line 4.The extended line of the line of further preferred drainpipe 2 also and between many thermometric lines 4 has the angle of 20 ~ 40 °, as shown in the α in Fig. 2, to reduce to greatest extent the impact of drainpipe 2 on temperature probe 3.
Preferably, between support bar 5 and temperature probe 3, be provided with thermofin.Described thermofin is polyfoam or wooden unit.Support bar 5 in this example adopts reinforcing bar, for avoiding reinforcing bar heat conduction to impact temperature probe 3, between support bar 5 and temperature probe 3, by coated mode, is provided with thermofin, and thermofin is to be mainly coated on support bar 5.
In Fig. 1,2, described thermometric line 4 is 4-6 root.Compared with measuring with full volumetric of the prior art, adopt the mode of arranging thermometric line 4 along a radius, effectively reduced measurement cost.
Through the investigation to concrete measuring temperature instrument on market, in order to ensure accuracy, the convenience of data acquisition, the utility model is selected JDC-2 type electronics building temperature measurer, and this instrument is mainly comprised of main frame, temperature probe, thermometric line.
During use, at the pre-buried thermometric line of blower foundation inside concrete, built-in type thermometric line is made by connection terminal, wire and temperature probe 3, suitable measurement concrete internal temperature, every thermometric line can be surveyed the temperature of installing temperature measurer position on a line, in construction, according to thermometric design proposal, arranges point for measuring temperature.For ease of layering thermometric, the connection terminal of every thermometric line all posts the label of relevant position numbering.When pre-buried, adopt reinforcing bar rod member to make support bar 5, thermometric line is tied up on support bar 5 according to longitudinal point for measuring temperature distance, between temperature sensor and support bar 5, should do heat insulation processing.When casting concrete, the support that ties up temperature probe 3 and thermometric line is implanted to preposition in concrete, and temperature sensor, in point for measuring temperature position, is stayed concrete outside good with plastic pocket with the connection terminal that main frame joins, avoid moist, keep clean.For ease of follow-up thermometric operation, the conductor length of staying outside is not less than 20cm.During thermometric, press host power switch, thermometric line plug is inserted in host socket, on host display, can show the temperature of corresponding point for measuring temperature.
Very fast according to concrete early warming, the feature that post drop is slower, thermometric adopts first close rear thin principle, the measurement of molding temperature, require every machine-team to be no less than 2 times, after having built, every 4 hours thermometrics once, record is some temperature all, and emphasis is checked blower foundation concrete center and the surperficial temperature difference.In concreting 5 ~ 8d, once, the every 12h thermometric of 9 ~ 15d once for every 8h thermometric.
During thermometric, according to order from inside to outside, from high to low, the connection terminal of the temperature probe of each point for measuring temperature 3 is inserted in main frame jack in order, reading one by one, is recorded into measured temperature in the form of precedence numbers.
In thermometric process, should depict in time the temperature variation curve of each point and the temperature distribution history of section, and in emphasis monitored concrete, show the indexs such as the temperature difference, rate of temperature fall, environment temperature meter temperature strain, find temperature control numerical exception and alarm, and take corresponding measure.
In recent years, in several building thermometric special products that home market occurs, as the warm survey monitor of intelligence group that produce in Wuhan, function is more, precision is higher, operate also more for convenience, but main frame is thrown people's cost more than ten thousand yuan, expense is large, is suitable for base concrete Temperature-control Monitoring, as dam etc.; And other product thermometric costs are through calculating also 2000 yuan of left and right.
According to the concrete design feature of blower foundation, the JDC-2 type electronics building temperature measurer that this technology adopts, comprise that main frame, temperature probe, thermometric line form, its display mode is three and half wide temperature range type LCDs, main frame volume is 135mm × 72mm × 32mm, main frame weight 200g, volume is little lightweight, simple to operate, easy to carry, can be intuitively, numeral shows dut temperature accurately and quickly.The single blower foundation Concrete Temperature Control of the utility model monitoring all appts spends approximately 300 yuan, economic, effective, the cheap blower foundation Concrete Temperature Control observation process that completed.
Claims (5)
1. one kind high height above sea level large volume blower foundation Concrete Temperature Control system, it is characterized in that: along the multiple vertical support bars of radial equipartition (5) of base concrete (1) one side, support bar (5) is provided with thermometric line (4), thermometric line (4) is connected with the multiple temperature probes (3) that arrange from top to bottom, and the termination that thermometric line (4) is positioned at outside base concrete (1) is provided with the connection terminal for being connected with concrete measuring temperature instrument (6).
2. the high height above sea level large volume of one according to claim 1 blower foundation Concrete Temperature Control system, is characterized in that: in base concrete (1), be also provided with drainpipe (2), drainpipe (2) is positioned at the opposite side away from thermometric line (4).
3. the high height above sea level large volume of one according to claim 1 blower foundation Concrete Temperature Control system, is characterized in that: between support bar (5) and temperature probe (3), be provided with thermofin.
4. the high height above sea level large volume of one according to claim 3 blower foundation Concrete Temperature Control system, is characterized in that: described thermofin is polyfoam or wooden unit.
5. the high height above sea level large volume of one according to claim 1 blower foundation Concrete Temperature Control system, is characterized in that: described thermometric line (4) is 4-6 root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320773963.6U CN203573184U (en) | 2013-12-02 | 2013-12-02 | High altitude large volume wind turbine base concrete temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320773963.6U CN203573184U (en) | 2013-12-02 | 2013-12-02 | High altitude large volume wind turbine base concrete temperature control system |
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| Publication Number | Publication Date |
|---|---|
| CN203573184U true CN203573184U (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320773963.6U Expired - Fee Related CN203573184U (en) | 2013-12-02 | 2013-12-02 | High altitude large volume wind turbine base concrete temperature control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413000A (en) * | 2020-04-10 | 2020-07-14 | 上海建工集团股份有限公司 | Digital temperature measurement method for mass concrete construction |
| CN111413001A (en) * | 2020-04-10 | 2020-07-14 | 上海建工集团股份有限公司 | Digital temperature measurement system for mass concrete construction |
-
2013
- 2013-12-02 CN CN201320773963.6U patent/CN203573184U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413000A (en) * | 2020-04-10 | 2020-07-14 | 上海建工集团股份有限公司 | Digital temperature measurement method for mass concrete construction |
| CN111413001A (en) * | 2020-04-10 | 2020-07-14 | 上海建工集团股份有限公司 | Digital temperature measurement system for mass concrete construction |
| CN111413001B (en) * | 2020-04-10 | 2021-08-31 | 上海建工集团股份有限公司 | Digital temperature measurement system for mass concrete construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20191202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |