CN102830731A - Integral flow and temperature control device - Google Patents
Integral flow and temperature control device Download PDFInfo
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- CN102830731A CN102830731A CN2012102999976A CN201210299997A CN102830731A CN 102830731 A CN102830731 A CN 102830731A CN 2012102999976 A CN2012102999976 A CN 2012102999976A CN 201210299997 A CN201210299997 A CN 201210299997A CN 102830731 A CN102830731 A CN 102830731A
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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]
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
The temperature stress of mass concrete relates to dam cracking risk in the large-scale hydroelectric project, and its evolution can be divided into three phases: (1) early stage stress, begin from casting concrete, and, the cement exothermic effects ends general about about one month when finishing basically.There are two characteristics in this stage: the one, because of cement aquation sends a large amount of hydration heat, and cause the rapid variation in temperature field; The 2nd, modulus of elasticity of concrete sharply changed along with the time; (2) mid-term stress; Basically finish when concrete is cooled to final equilibrium temperature from the cement exothermic effects; This time interim temperature stress be that these stress are superimposed with the early stage temperature stress that produces because concrete cooling and ambient temperature change causedly.Therewith, modulus of elasticity of concrete also has some variations, but amplitude of variation is less; (3) late period stress, concrete cools off the later runtime fully, temperature stress mainly is caused by the variation of outside air temperature and water temperature, the unrelieved stress mutual superposition of these stress and early and middle portion has formed concrete stress in late period.
At general temperature or severe cold area; The water flowing of mass concrete cooling (or heating) temperature control in the large-scale hydroelectric project; Be to reduce the temperature stress that the mass concrete hydration heat causes, avoid ftractureing 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 of cooling of water flowing at present or heating is mainly adopted manual record through artificial ball valve, mercury thermometer and conventional water meter, carries out artificial on-the-spot regulating flow according to record data then.
Behind the casting of concrete in mass, be cooled to concrete temperature and reach cooling through cooling, mid-term cooling, second phase in early days, 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 through the measurement that discharges water usually; Needing manual work to open the external water swivel of water pipe at the scene in the practical operation discharges water and measures; And carry out field notes, and the water flowing flow is measured through the conventional water meter reading, and measuring error is bigger; Interference from human factor is big; Domestic on this basis also have indivedual field by using digital thermometers and electrical ball valve to measure, but still need the people to read temperature and data on flows to on-the-spot through portable equipment, and efficient is low.The control concrete temperature mainly is the controlled water flow amount, and on-the-spot at present discharge opertaing device is a manual ball valve, and the workman manually increases or reduce the ball valve aperture according to the cooling-down effect of previous time period.Because be classic method, temperature and data on flows generally are that gather once at 4 hours intervals at present.
In a word, present data acquisition modes and control mode are manual record and control, and means fall behind, low precision, and efficient is low, and data reliability is not high, and acquisition time is long at interval, and information feedback is slow.Through with electrical ball valve, interpolation type numeral temperature measuring equipment, flow measurement device, through being integrally formed of the integrated encapsulation of one control circuit board stream temperature control device; To overcome the deficiency of classic method; Greatly improve the fiduciary level and the collecting efficiency of data; For the personalized control of mass concrete water flowing cooling (heating) overall process online in real time provides technical support,, guarantee that the dam long-term safety stablizes and have important engineering and social effect to improving China's dam construction level.
Summary of the invention
Technical matters to be solved by this invention provides a kind of integrated stream temperature control device; Can gather the temperature and the water flowing flow of cooling water pipe automatically; Realization is measured and data transmission the flow and the water temperature of concrete temperature control water flowing automatically; And on server, data are carried out simulation calculation, calculate Control Flow in real time, and issue the steering order Control Flow.Having solved manual measurement record and control needs labor manual work, means to fall behind, low precision, and efficient is low; Data reliability is not high, and acquisition time is long at interval, and information feedback waits shortcoming slowly; Time saving and energy saving; Measurement data precision, efficient height and feedback can in time be adjusted the concrete temperature control measures, avoid distress in concrete rapidly, guarantee construction quality and progress.
For solving the problems of the technologies described above, the present invention provides a kind of integral flux and temperature control equipment, comprising: shell; Have the bidirectional electric ball valve in the enclosure, it realizes control according to steering order to the flow size and Orientation; Interpolation type numeral temperature measuring equipment, measuring tube inner fluid temperature in real time; Two-way turbo flow meter is through output pulse, electromagnetism or current signal, the instantaneous or integrated flow of real-time Transmission; The one control circuit board is controlled the bidirectional electric ball valve, and flow and temperature are transmitted.
Wherein, this device also comprises: first loose joint, its external main fluid pipe; Second loose joint, it is external to builds the storehouse arm.
Wherein, said 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; Said integral flux and temperature control equipment and intelligent master controller are through integrated outlet swap data and power supply is provided.
Wherein, said integral flux and temperature control equipment and intelligent master controller are through the switched wireless data.
Wherein, to second loose joint, order is in series with bidirectional electric ball valve, interpolation type numeral temperature measuring equipment and two-way turbo flow meter from first loose joint.
Wherein, Said interpolation type numeral temperature measuring equipment comprises: a threeway; The horizontal tube left and right sides port of threeway is connected with two-way turbo flow meter with the 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 leans on the hollow screw to be connected with the vertical tube internal thread of threeway with temperature sensor and fixes.
Wherein, the bottom is provided with adiabatic sealing ring in the vertical tube of threeway, and top is provided with the hollow screw, and temperature sensor passes the hollow screw and adiabatic sealing ring inserts threeway horizontal tube inside.
Wherein, said adiabatic sealing ring is made up of sealing and adiabatic two kinds of materials, and the bottom is an encapsulant, and top is thermal insulation material.
Wherein, said temperature sensor is made up of temperature sensor probe and lead, and lead is electrically connected with temperature sensor probe.
Wherein, said temperature sensor probe termination is positioned on the threeway horizontal tube axis.
Owing to have 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 the threeway vertical tube, make hollow screw to produce the unlikely leakage under hydraulic pressure of enough contention effects to adiabatic sealing ring, and temperature sensor probe be able to be positioned on the threeway horizontal tube axis.
Temperature measuring equipment passes through the insulation with tube wall, can get rid of the interference of outside air temperature to thermometric, accurately measures the water temperature of importing and exporting, and can accurately predict mass concrete internal heat exchange amount.
The temperature sensor probe termination is positioned at the water pipe axis, fully contacts with the thermometric object, has guaranteed the precision of thermometric.
To second loose joint, order is in series with bidirectional electric ball valve, interpolation type numeral temperature measuring equipment and two-way turbo flow meter from first loose joint; According to this connected mode, by-pass valve control is placed before the measurement mechanism, can realize controlling more accurately.
Integral flux has the loose joint identical with extraneous caliber to be connected with the temperature control equipment two ends, and is flexible quick.Integrated stream temperature control device and master controller are through a bus (integrated outlet) swap data and power supply is provided.Install self and can accomplish temperature acquisition, functions such as flow PID adjusting only need master controller to provide given flow, and integrated water flowing device just can be accomplished 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 the control of control concrete temperature and stress guarantees construction quality and progress.
Integrated stream temperature control device provided by the invention, beneficial effect is following:
(1), owing to adopt intelligent data acquisition, storage and transmission are installed in the flow and the water temperature data of the concrete water flowing that thermometer and flowmeter real-time online on the water pipe record, data acquisition is convenient and reliable; Realized the flow and the water temperature of concrete water flowing heat interchange are tested and data transmission automatically, having solved manual testing's record needs labor manual work, means to fall behind low precision; Efficient is low, and data reliability is not high, and acquisition time is long at interval; Information feedback waits shortcoming slowly, and is time saving and energy saving, and measurement data precision, efficient height and feedback are rapidly; Can in time adjust the concrete temperature control measures, avoid distress in concrete, guarantee concrete pouring quality and progress.
(2), integrated stream temperature control device is connected with external pipe, flexible fast.
(3), integrated stream temperature control device and master controller are through a bus exchanging data and power supply is provided, perhaps integral flux and temperature control equipment and master controller are through the switched wireless data, data acquisition connects simple and convenient, is convenient to practical application.
(4), be installed in valve body in the integrated stream temperature control device and accept Based Intelligent Control PID regulating command and come Control Flow, dependable flow is stable, has solved the problem that causes fluctuations in discharge because of the variation of factors such as pipeline pressure, guarantees the water flowing cool effect.
(5), intelligent control device collection and upload data to upper server, server for saving and simulation calculation data are confirmed controlled quentity controlled variable.And generate various analysis diagrams, make things convenient for the comprehensive and personalized understanding of staff, in time adjust the concrete temperature control measures, realize timely adjustment concrete construction measure, guarantee construction quality and progress whole temperature control effect.
(6), integrated stream temperature control device reuses, reduce cost greatly.
(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 ℃, precision is ± 0.3 ℃ in working range.
(8), can be fit to air in the measuring channel, steam, the temperature of media such as water and volumetric flow rate.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified;
Fig. 1 one stream temperature control device structural representation;
Fig. 2 interpolation type numeral temperature measuring equipment front section view;
Fig. 3 interpolation type numeral temperature measuring equipment side sectional view.
Among the figure, 1 bidirectional electric ball valve; 2 interpolation types numeral temperature measuring equipment; 3 two-way turbo flow meters; 4
The one control circuit board; 5 integrated outlets; 6 first loose joints; 7 second loose joints; 8 package casings;
9 threeways, 10 temperature sensor probes, 11 leads, the adiabatic ring of 12 sealings, 13 hollow screws
Embodiment
Integrated stream temperature control device and water main with build the storehouse arm and directly be connected with second loose joint through first loose joint respectively, assembled in situ, the articulation that only need turn on two ends gets final product.Insert master controller to power lead and data cable.Serve power supply for integrated stream temperature control device, wait when status lamp is evergreen on the integrated stream temperature control device, represent that integrated stream temperature control device startup finishes, can start server software, carry out telecommunication control.
Integrated stream temperature control device comprises waterproof, anti-weight and electromagnetic interference-preventing shell 8.
Have bidirectional electric ball valve 1 in the enclosure, it realizes control according to steering order to water-flowing amount; Interpolation type numeral temperature measuring equipment 2, water flowing temperature in the efferent duct in real time; Two-way turbo flow meter 3 is through output pulse or current signal, the instantaneous or integrated flow of real-time Transmission; One control circuit board 4 is controlled and feed back bidirectional electric ball valve 1.
Have integrated outlet 5 on the shell, integrated outlet comprises temperature acquisition, flow collection FEEDBACK CONTROL and power supply supply, its external intelligent master controller; Have first loose joint and second loose joint on the shell, connect main water service pipe respectively and build the storehouse arm.
Interpolation type numeral temperature measuring equipment comprises threeway; Threeway 9 lower end right ends mouths are furnished with screw thread, are connected with two-way turbo flow meter with the bidirectional electric ball valve respectively; Threeway 9 port are furnished with screw thread, put into the adiabatic ring of sealing 12 from port to compress, and temperature sensor insertion from the adiabatic ring of port and sealing, temperature sensor probe 10 are positioned on the axis of threeway end portion; Hollow screw 13 is connected with threeway 9 port through screw thread, and sealing thermal insulation ring 12, temperature sensor probe 10 and lead 11 are fixed, and lead 11 lower ends are electrically connected with temperature sensor probe 10 upper ends.Lead 11 connects the one control circuit board.
Claims (10)
1. integral flux and temperature control equipment comprise: shell; Have the bidirectional electric ball valve in the enclosure, it realizes size and Orientation control according to steering order to flow; Interpolation type numeral temperature measuring equipment, measuring tube inner fluid temperature in real time; Two-way turbo flow meter is through output electromagnetism, pulse or current signal, the instantaneous or integrated flow of real-time Transmission; The one control circuit board is controlled the bidirectional electric ball valve.
2. device as claimed in claim 1 also comprises: first loose joint, its external main fluid pipe; Second loose joint, its external storehouse arm of building.
3. according to claim 1 or claim 2 device, said shell has the function of waterproof, anti-weight and anti-electromagnetic interference (EMI).
4. like the arbitrary device of above-mentioned claim, said device also comprises: integrated outlet, its external intelligent master controller; Wherein said integral flux and temperature control equipment and intelligent master controller are through integrated outlet swap data and power supply is provided.
5. like the arbitrary described device of claim 1-3, said integral flux and temperature control equipment and intelligent master controller are through the switched wireless data.
6. as the arbitrary device of above-mentioned claim, wherein from first loose joint to second loose joint, order is in series with bidirectional electric ball valve, interpolation type numeral temperature measuring equipment and two-way turbo flow meter.
7. like the arbitrary device of above-mentioned claim; Wherein said interpolation type numeral temperature measuring equipment comprises: a threeway; The horizontal tube left and right sides port of threeway is connected with two-way turbo flow meter with the 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 leans on the hollow screw to be connected with the vertical tube internal thread of threeway with temperature sensor and fixes.
8. device as claimed in claim 7, wherein the bottom is provided with adiabatic sealing ring in the vertical tube of threeway, and top is provided with the hollow screw, and temperature sensor passes the hollow screw and adiabatic sealing ring inserts threeway horizontal tube inside.
9. device as claimed in claim 8, said adiabatic sealing ring is made up of sealing and adiabatic two kinds of materials, and the bottom is an encapsulant, and top is thermal insulation material.
10. like the arbitrary described device of claim 7-9, said temperature sensor is made up of temperature sensor probe and lead, and lead is electrically connected with temperature sensor probe, and preferred said temperature sensor probe termination is positioned on the 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 |
Publications (2)
| Publication Number | Publication Date |
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| CN102830731A true CN102830731A (en) | 2012-12-19 |
| CN102830731B 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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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104298265A (en) * | 2014-10-27 | 2015-01-21 | 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 |
| CN110006284A (en) * | 2019-04-01 | 2019-07-12 | 清华大学 | A kind of media for heat exchange intelligence control system and method |
| CN110006485A (en) * | 2019-04-01 | 2019-07-12 | 中清控(武汉)科技有限公司 | One flows warm intelligent monitoring and controlling device |
| 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 |
| CN111980027A (en) * | 2020-08-21 | 2020-11-24 | 清华大学 | Intelligent volute concrete temperature control system and method |
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| JP2001353769A (en) * | 2000-06-12 | 2001-12-25 | Dainippon Printing Co Ltd | Method, apparatus, and system for controlling temperature of cooling roll |
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Patent Citations (5)
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| 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] |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104298265A (en) * | 2014-10-27 | 2015-01-21 | 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 |
| CN110006284A (en) * | 2019-04-01 | 2019-07-12 | 清华大学 | A kind of media for heat exchange intelligence control system and method |
| CN110006485A (en) * | 2019-04-01 | 2019-07-12 | 中清控(武汉)科技有限公司 | One flows warm intelligent monitoring and controlling device |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN102830731B (en) | 2014-07-16 |
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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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