CN102830731B - Integral flow and temperature control device - Google Patents
Integral flow and temperature control device Download PDFInfo
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- CN102830731B CN102830731B CN201210299997.6A CN201210299997A CN102830731B CN 102830731 B CN102830731 B CN 102830731B CN 201210299997 A CN201210299997 A CN 201210299997A CN 102830731 B CN102830731 B CN 102830731B
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- temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
An integral flow and temperature control device comprises an electric ball valve, an interpolated digital temperature measuring device, a flow measuring device and an integral control circuit board which are fixedly integrated and packaged in a casing. Loose joints with diameter equal to that of external pipes are arranged at two ends of the integral flow and temperature control device, and accordingly the integral flow and temperature control device is flexible, convenient and fast in connection. The integral flow and temperature control device is subjected to data exchange with a main controller and supplied with power through a bus, can complete functions of temperature collection and flow PID(proportion, integration and differentiation) regulation and the like, can complete flow regulation once the main controller outputs a specific flow rate, has excellent stability in control (floating control/proportion control), guarantees stability and accuracy of cooling water flow, and further controls concentrate temperature and stress, and guarantees engineering quality and progress.
Description
Technical field
The present invention relates to a kind of integrated water flowing flow and temperature control equipment, be called for short one stream temperature control device, relate in particular to a kind of in mass concrete water flowing heat interchange the integrated stream temperature control device of temperature acquisition, flow collection and control.
Background technology
In large-scale hydroelectric project, the temperature stress of mass concrete relates to dam cracking risk, and its evolution can be divided into three phases: (1) early stage stress is from casting concrete, only, general approximately about one month while substantially finishing to cement exothermic effects.There are two features in this stage: the one, because cement aquation sends a large amount of hydration heat, and cause the sharply variation in temperature field; The 2nd, modulus of elasticity of concrete sharply changed along with the time; (2) mid-term stress, from cement exothermic effects, substantially finish up to concrete cooling during to final equilibrium temperature, this time interim temperature stress be to change causedly due to concrete cooling and ambient temperature, these stress are superimposed with the early stage temperature stress producing.Therewith, modulus of elasticity of concrete also has some to change, but amplitude of variation is less; (3) late period stress, concrete is the cooling later runtime completely, temperature stress is mainly caused by the variation of outside air temperature and water temperature, the unrelieved stress of these stress and early and middle portion mutually superposes and has formed concrete stress in late period.
In general temperature or severe cold area, the water flowing of mass concrete cooling (or heating) temperature control in large-scale hydroelectric project, be to reduce the temperature stress that mass concrete hydration heat causes, avoid cracking and reach the engineering measure that the envelope arch grouting temperature of designing requirement must be taked.Hydroelectric project water flowing hot swapping is complicated, it is engineering construction design and research important content, the monitoring cooling or heating of water flowing at present mainly adopts manual record by artificial ball valve, mercury thermometer and conventional water meter, then according to record data, carries out artificial on-the-spot regulating flow.
After casting of concrete in mass, through in early days cooling, mid-term is cooling, the second phase is cooled to concrete temperature and reaches cooling, during water-flowing data be mainly Inlet and outlet water temperature and water flowing flow.The measurement of Inlet and outlet water temperature at present adopts mercury thermometer or hand-held digital thermometer by the measurement that discharges water conventionally, in practical operation, needing manually to open at the scene the external water swivel of water pipe discharges water and measures, and carry out field notes, water flowing flow is measured by conventional water meter reading, measuring error is larger, interference from human factor is large, domestic on this basis also have indivedual field by using digital thermometers and electrical ball valve to measure, but still needing people by portable equipment, to read temperature and data on flows to on-the-spot, efficiency is low.Controlling concrete temperature is mainly to control discharge, and on-the-spot discharge opertaing device is a manual ball valve at present, and workman manually increases or reduce ball valve aperture according to the cooling-down effect of previous time period.Because be classic method, temperature and data on flows are generally that 4 hours intervals gather once at present.
In a word, current data acquisition modes and control mode are manual record and control, and means fall behind, low precision, and efficiency is low, and data reliability is not high, and acquisition time interval is long, and information feedback is slow.By by electrical ball valve, interpolation type Digital Measurement of Temperature device, flow measurement device, form integrated stream temperature control device by integrative control circuit board integration packaging, the deficiency of classic method will be overcome, greatly improve fiduciary level and the collecting efficiency of data, for the online real time individual of mass concrete water flowing cooling (heating) overall process, control technical support is provided, to improving China's dam construction level, guarantee that dam long-term safety is stable and there is important engineering and social effect.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of integrated stream temperature control device, can automatically gather temperature and the water flowing flow of cooling water pipe, realization is measured and data transmission automatically to the flow of Concrete Temperature Control water flowing and water temperature, and on server, data are carried out to simulation calculation, calculate in real time control flow, and issue steering order control flow.Solved manual measurement record and controlled and need to expend a large amount of artificial, means and fall behind, low precision, efficiency is low, the shortcomings such as data reliability is not high, and acquisition time interval is long, and information feedback is slow, time saving and energy saving, measure data precision, efficiency is high and feedback rapidly, can adjust in time Concrete Temperature Control measure, avoid distress in concrete, guarantee construction quality and progress.
For solving the problems of the technologies described above, the invention provides a kind of integral flux and temperature control equipment, comprising: shell; Have in the enclosure bidirectional electric ball valve, it is realized and controlling flow size and Orientation according to steering order; Interpolation type Digital Measurement of Temperature device, in real time measuring tube inner fluid temperature; Two-way turbine flowmeter, by output pulse, electromagnetism or current signal, the instantaneous or integrated flow of real-time Transmission; Integrative control circuit board, controls bidirectional electric ball valve, and flow and temperature are transmitted.
Wherein, this device also comprises: the first loose joint, its external main fluid pipe; The second loose joint, it is external to builds storehouse arm.
Wherein, described shell has the function of waterproof, anti-weight and anti-electromagnetic interference (EMI).
Wherein, this device also comprises: integrated outlet, its external intelligent master controller; Described integral flux and temperature control equipment and intelligent master controller are by integrated outlet swap data and power supply is provided.
Wherein, described integral flux and temperature control equipment and intelligent master controller are by switched wireless data.
Wherein, from the first loose joint to the second loose joint, order is in series with bidirectional electric ball valve, interpolation type Digital Measurement of Temperature device and two-way turbine flowmeter.
Wherein, described interpolation type Digital Measurement of Temperature device comprises: a threeway, the horizontal tube left and right port of threeway is connected with two-way turbine flowmeter with bidirectional electric ball valve respectively, adiabatic sealing ring, hollow screw and temperature sensor are set in the vertical tube of threeway, and adiabatic sealing ring and temperature sensor are connected and fixed by the vertical tube internal thread of hollow screw and threeway.
Wherein, in the vertical tube of threeway, bottom arranges adiabatic sealing ring, and top arranges hollow screw, and temperature sensor inserts threeway horizontal tube inside through hollow screw and adiabatic sealing ring.
Wherein, described adiabatic sealing ring forms by sealing with adiabatic bi-material, and bottom is encapsulant, and top is thermal insulation material.
Wherein, described temperature sensor, is comprised of temperature sensor probe and wire, and wire is electrically connected to temperature sensor probe.
Wherein, described temperature sensor probe termination is positioned on threeway horizontal tube axis.
Owing to there is sealed, thermally insulated ring, can guarantee that temperature sensor probe does not contact with threeway and outside air, has improved measuring accuracy.
Hollow screw and temperature sensor are screwed in threeway vertical tube, make hollow screw can produce to adiabatic sealing ring that enough contention effects are unlikely to be revealed under hydraulic pressure, and temperature sensor probe be able to be positioned on threeway horizontal tube axis.
Temperature measuring equipment, through the insulation with tube wall, can be got rid of the interference of outside air temperature to thermometric, and the water temperature that Measurement accuracy is imported and exported can Accurate Prediction mass concrete internal heat exchange amount.
Temperature sensor probe termination is positioned at water pipe axis, fully contacts with thermometric object, has guaranteed the precision of thermometric.
From the first loose joint to the second loose joint, order is in series with bidirectional electric ball valve, interpolation type Digital Measurement of Temperature device and two-way turbine flowmeter; According to this connected mode, before by-pass valve control is placed in to measurement mechanism, can realizes more accurately and controlling.
Integral flux has the loose joint identical with extraneous caliber to be connected with temperature control equipment two ends, quick flexibly and easily.Integrated stream temperature control device and master controller are by a bus (integrated outlet) swap data and power supply is provided.Install self and can complete temperature acquisition, the functions such as flow PID adjusting, only need master controller to provide given flow, and integrated water-flowing device just can complete flow regulation automatically, and device has good control stiffness (floating-point control/proportional control).Guarantee that cooling water flowing stability of flow is accurate, thereby control the control of concrete temperature and stress, guarantee construction quality and progress.
Integrated stream temperature control device provided by the invention, beneficial effect is as follows:
(1), owing to adopting intelligent data acquisition, store and transmit flow and the water temperature data of the concrete water flowing that the thermometer that is arranged on water pipe and flowmeter real-time online record, data acquisition is convenient and reliable, realized the flow of concrete water flowing heat interchange and water temperature have been tested and data transmission automatically, solved manual testing record need to expend a large amount of artificial, means fall behind, low precision, efficiency is low, data reliability is not high, acquisition time interval is long, the shortcomings such as information feedback is slow, time saving and energy saving, measure data precision, efficiency is high and feedback is rapid, can adjust in time Concrete Temperature Control measure, avoid distress in concrete, guarantee concrete pouring quality and progress.
(2), integrated stream temperature control device is connected with external pipe, quick flexibly and easily.
(3), integrated stream temperature control device and master controller are by a bus exchanging data and power supply is provided, or integral flux and temperature control equipment and master controller be by switched wireless data, data acquisition connects simple and convenient, is convenient to practical application.
(4), be arranged on valve body in integrated stream temperature control device and accept Based Intelligent Control PID regulating command and control flow, guarantee stability of flow, solved the problem that causes fluctuations in discharge because of the variation of the factors such as pipeline pressure, guarantee the effect of water flowing cooling.
(5), intelligent control device collection and uploading data be to upper server, server is preserved and simulation calculation data, determines controlled quentity controlled variable.And generate various analysis diagrams, facilitate the comprehensive and personalized understanding of staff to whole temperature control effect, adjust in time Concrete Temperature Control measure, realize the timely concrete construction measure of adjusting, guarantee construction quality and progress.
(6), integrated stream temperature control device reuses, greatly reduce costs.
(7), integrated stream temperature control device is according to the accurate observing and controlling different flow scope (0.04 ~ 800m of different tube diameters
3/ h), install conventional pressurized 1.6MPa, measurement and control of temperature scope-10 ℃ ~ 60 ℃, in working range, precision is ± 0.3 ℃.
(8), can be applicable to air in measuring channel, steam, the temperature of the media such as water and volumetric flow rate.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described;
Fig. 1 one stream temperature control device structural representation;
Fig. 2 interpolation type Digital Measurement of Temperature device front section view;
Fig. 3 interpolation type Digital Measurement of Temperature device side sectional view.
In figure, 1 bidirectional electric ball valve; 2 interpolation type Digital Measurement of Temperature devices; 3 two-way turbine flowmeters; 4
Integrative control circuit board; 5 integrated outlets; 6 first loose joints; 7 second loose joints; 8 package casings;
9 threeways, 10 temperature sensor probes, 11 wires, the adiabatic ring of 12 sealings, 13 hollow screws
Embodiment
Integrated stream temperature control device and water main with build storehouse arm and by the first loose joint, be directly connected with the second loose joint respectively, assembled in situ, only need turn on the articulation at two ends.Power lead and data cable access master controller.Serve power supply to integrated stream temperature control device, wait on integrated stream temperature control device when status lamp is evergreen, represent that integrated stream temperature control device starts complete, can start server software, carry out telecommunication control.
Integrated stream temperature control device comprises waterproof, anti-weight and electromagnetic interference-preventing shell 8.
Have in the enclosure bidirectional electric ball valve 1, it is realized and controlling water-flowing amount according to steering order; Interpolation type Digital Measurement of Temperature device 2, in real time water flowing temperature in efferent duct; Two-way turbine flowmeter 3, by output pulse or current signal, the instantaneous or integrated flow of real-time Transmission; Integrative control circuit board 4, controls and feedback bidirectional electric ball valve 1.
On shell, have integrated outlet 5, integrated outlet comprises temperature acquisition, flow collection FEEDBACK CONTROL and power supply supply, its external intelligent master controller; On shell, there is the first loose joint and the second loose joint, connect respectively main water service pipe and build storehouse arm.
Interpolation type Digital Measurement of Temperature device comprises threeway; Threeway 9 left and right, lower end two-port are furnished with screw thread, are connected respectively with bidirectional electric ball valve with two-way turbine flowmeter; Threeway 9 upper port are furnished with screw thread, and the adiabatic ring 12 of sealing is put into compression from upper port, and temperature sensor is inserted from upper port and the adiabatic ring of sealing, and temperature sensor probe 10 is positioned on the axis of threeway end portion; Hollow screw 13 is connected with threeway 9 upper port by screw thread, and the adiabatic ring 12 of sealing, temperature sensor probe 10 and wire 11 are fixed, and wire 11 lower ends are electrically connected to temperature sensor probe 10 upper ends.Wire 11 is integrally connected control circuit board.
Claims (10)
1. integral flux and a temperature control equipment, comprising: shell; Have in the enclosure bidirectional electric ball valve, it is realized size and Orientation according to steering order to flow and controls; Interpolation type Digital Measurement of Temperature device, in real time measuring tube inner fluid temperature; Two-way turbine flowmeter, by output electromagnetism, pulse or current signal, the instantaneous or integrated flow of real-time Transmission; Integrative control circuit board, controls bidirectional electric ball valve.
2. device as claimed in claim 1, also comprises: the first loose joint, its external main fluid pipe; The second loose joint, its external storehouse arm of building.
3. device as claimed in claim 1 or 2, described shell has the function of waterproof, anti-weight and anti-electromagnetic interference (EMI).
4. device as arbitrary in the claims, described device also comprises: integrated outlet, its external intelligent master controller; Wherein said integral flux and temperature control equipment and intelligent master controller are by integrated outlet swap data and power supply is provided.
5. the device as described in as arbitrary in claim 1-3, described integral flux and temperature control equipment and intelligent master controller are by switched wireless data.
6. device as arbitrary in the claims, wherein from the first loose joint to the second loose joint, is sequentially in series with bidirectional electric ball valve, interpolation type Digital Measurement of Temperature device and two-way turbine flowmeter.
7. device as arbitrary in the claims, wherein said interpolation type Digital Measurement of Temperature device comprises: a threeway, the horizontal tube left and right port of threeway is connected with two-way turbine flowmeter with bidirectional electric ball valve respectively, adiabatic sealing ring, hollow screw and temperature sensor are set in the vertical tube of threeway, and adiabatic sealing ring and temperature sensor are connected and fixed by the vertical tube internal thread of hollow screw and threeway.
8. device as claimed in claim 7, wherein in the vertical tube of threeway, bottom arranges adiabatic sealing ring, and top arranges hollow screw, and it is inner that temperature sensor inserts threeway horizontal tube through hollow screw and adiabatic sealing ring.
9. device as claimed in claim 8, described adiabatic sealing ring forms by sealing with adiabatic bi-material, and bottom is encapsulant, and top is thermal insulation material.
10. the device as described in as arbitrary in claim 7-9, described temperature sensor, is comprised of temperature sensor probe and wire, and wire is electrically connected to temperature sensor probe, and preferred described temperature sensor probe termination is positioned on threeway horizontal tube axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210299997.6A CN102830731B (en) | 2012-08-21 | 2012-08-21 | Integral flow and temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210299997.6A CN102830731B (en) | 2012-08-21 | 2012-08-21 | Integral flow and temperature control device |
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| Publication Number | Publication Date |
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| CN102830731A CN102830731A (en) | 2012-12-19 |
| CN102830731B true CN102830731B (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210299997.6A Expired - Fee Related CN102830731B (en) | 2012-08-21 | 2012-08-21 | Integral flow and temperature control device |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104298265B (en) * | 2014-10-27 | 2015-07-08 | 山东科技大学 | Constant-pressure grouting-water supply pneumatic combined servo control system for test |
| CN105735647A (en) * | 2016-02-25 | 2016-07-06 | 中国新兴建筑工程总公司 | Blocking device for concrete conveying pipe pouring port and connection structure of blocking device |
| CN106909174A (en) * | 2017-03-02 | 2017-06-30 | 华能澜沧江水电股份有限公司 | A kind of flow measuring and controlling system and investigating method |
| CN110147132A (en) * | 2019-04-01 | 2019-08-20 | 中国三峡建设管理有限公司 | One flows warm water flowing integrated control cabinet |
| CN110006284B (en) * | 2019-04-01 | 2020-05-15 | 清华大学 | Intelligent control system and method for medium heat exchange |
| CN110006485B (en) * | 2019-04-01 | 2021-10-01 | 中清控(武汉)科技有限公司 | Integrated intelligent flow temperature monitoring device |
| CN111980027A (en) * | 2020-08-21 | 2020-11-24 | 清华大学 | Intelligent volute concrete temperature control system and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4101549A1 (en) * | 1991-01-21 | 1992-07-23 | Klaus Fischer Mess Und Regelte | Device for measuring temp. in pipes carrying food pharmaceuticals etc. - temp. sensor is sealed into pipe stub by plug made of suitable inert material such as poly:tetra:fluoro-ethylene] |
| JP4316110B2 (en) * | 2000-06-12 | 2009-08-19 | 大日本印刷株式会社 | Cooling roll temperature control method, control device, and control system |
| CN200952833Y (en) * | 2006-09-01 | 2007-09-26 | 曲波 | Temperature control device for digital control constant temperature water delivery device |
| CN101921134B (en) * | 2010-07-16 | 2012-10-03 | 葛洲坝集团试验检测有限公司 | Intelligent cooling water passage system for concrete |
| CN202854624U (en) * | 2012-08-21 | 2013-04-03 | 清华大学 | One-body flow temperature controlling means |
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| CN102830731A (en) | 2012-12-19 |
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Effective date of registration: 20180814 Address after: 201108 room 3, 6 building, 4299 Jin Du Road, Minhang District, Shanghai, A7 Co-patentee after: CHINA THREE GORGES Corp. Patentee after: SHANGHAI GAOQIAN SOFTWARE TECHNOLOGY Co.,Ltd. Address before: 100084 Haidian District 100084-82 mailbox in Beijing Co-patentee before: CHINA THREE GORGES Corp. Patentee before: Tsinghua University |
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