CN102103026B - Temperature measuring device and maintenance device for concrete track slab and coupon - Google Patents
Temperature measuring device and maintenance device for concrete track slab and coupon Download PDFInfo
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- CN102103026B CN102103026B CN 200910242866 CN200910242866A CN102103026B CN 102103026 B CN102103026 B CN 102103026B CN 200910242866 CN200910242866 CN 200910242866 CN 200910242866 A CN200910242866 A CN 200910242866A CN 102103026 B CN102103026 B CN 102103026B
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Abstract
The invention provides a temperature measuring device and a maintenance device for concrete track slabs and coupons. The temperature measuring device comprises a first temperature measuring unit arranged on the core part of a concrete track slab and a second temperature measuring unit arranged on the core part of a concrete coupon, wherein both the first and second temperature measuring units comprise a probe and a detachable sleeve for encapsulating the probe. The temperature measuring device and the maintenance device provided by the invention can measure the temperature change of the concrete core part and record the curve of the concrete core part temperature changed with time. The temperature measuring system is completely controlled by a computer; and the data is accurate and the operation is simple, so the system can obtain accurate and valid data for a concrete laboratory.
Description
Technical field
The invention belongs to concrete field, relate in particular to a kind of temperature measuring equipment for concrete railway board and test block and maintenance of equipment.
Background technology
In the production run of concrete railway board, the together very important operation that vapor cure is, it directly affects the important indicators such as intensity, stress relief degree of concrete product.Mostly adopt large curing pool and manually-operated to realize to concrete maintenance at present, concrete-bridge after soon moulding is complete or track goods and test block (test block refers to that volume is much smaller than the test block of concrete-bridge or track product) are put in curing pool simultaneously, measure its curing temperature in curing cover by temperature probe is reached, the operator according to the curing temperature unification of surveying to gas and holding one's breath.Yet the method can not be measured concrete its inner true temperature in maintenance processes and change, the performance of the concrete railway board after therefore can't the accurate evaluation moulding, and maintenance processes relies on manually-operated to complete, temperature controlled error is large, therefore is difficult to guarantee the high-quality of concrete railway board.
Summary of the invention
Therefore, the object of the invention is to overcome the defective of above-mentioned prior art, provide a kind of and can follow the tracks of the temperature measuring equipment and the maintenance of equipment that are used for concrete railway board and test block that the inside concrete true temperature changes and automatically control maintenance processes in maintenance processes.
The objective of the invention is to be achieved through the following technical solutions:
According to an aspect of the present invention, provide a kind of temperature measuring equipment for concrete railway board and test block, comprising:
Be arranged on the first temperature measuring unit of the core of described concrete railway board;
Be arranged on the second temperature measuring unit of the core of described concrete test block;
Wherein said the first and second temperature measuring unit include detector bar and are used for dismountable sleeve pipe of this detector bar of encapsulation, described the first temperature measuring unit vertically be inserted into described concrete railway board height 1/2nd to 3/4ths between the degree of depth, described the second temperature measuring unit be inserted into described test block height 1/2nd to 3/4ths between the degree of depth.
In technique scheme, after concrete formation, described detector bar is taken out from sleeve, sleeve is stayed in the concrete of moulding.
In technique scheme, also comprise:
The 3rd temperature measuring unit that is used for the curing temperature of measurement concrete railway board;
The 4th temperature measuring unit that is used for the curing temperature of measurement concrete test block.
Preferably, described first, second, third adopt parallel way to connect with the 4th temperature measuring unit.
According to another aspect of the present invention, provide a kind of maintenance of equipment for concrete railway board and test block, wherein, comprise above-mentioned temperature measuring equipment.
In technique scheme, also comprise:
The temperature acquisition control device that is connected with described temperature measuring equipment;
The first and second heating arrangements that are connected with described temperature acquisition control device are used for heating respectively described concrete railway board and test block;
The Industrial Control Computer that is connected with described temperature acquisition control device.
In technique scheme, described temperature acquisition control device comprises data acquisition unit and control module, wherein:
Described data acquisition unit is connected with described first, second, third, fourth temperature measuring unit, is used for receiving the measured temperature signal of these temperature measuring unit and temperature signal is sent to described control module;
Described control module is connected with described data acquisition unit, is used for receiving described temperature signal and temperature signal being sent to Industrial Control Computer;
Described control module is connected with described the first and second heating arrangements through solenoid valve.
In technique scheme, described temperature acquisition control device also comprises the time management unit for Measuring Time, and this time management unit is connected with described control module.
Compared with prior art, the invention has the advantages that:
1. the Measurement accuracy concrete internal temperature changes;
2. maintenance processes realizes robotization, makes cost, and production efficiency improves.
Description of drawings
Embodiments of the present invention is further illustrated referring to accompanying drawing, wherein:
Fig. 1 is the structural representation of the maintenance of equipment of the concrete railway board of the preferred embodiments of the present invention and test block;
Fig. 2 is the structural representation of temperature sensor T1 of the present invention;
Fig. 3 is the functional-block diagram of the maintenance of equipment of Fig. 1.
Embodiment
With reference to figure 1, Fig. 1 is the structural representation of the maintenance of equipment of the concrete railway board of the preferred embodiments of the present invention and test block.As can be seen from the figure, this equipment comprises temperature sensor T1 and T3.Wherein, temperature sensor T1 is arranged on concrete railway board 3(and also claims analog board) core be used for measuring the temperature of this analog board core.As shown in Figure 2, this temperature sensor T1 comprises detector bar and is used for dismountable sleeve pipe of this detector bar of encapsulation, and wherein detector bar is connected with temperature acquisition control device 1 by cable.During detector bar is inserted into concrete together with sleeve pipe before carrying out maintenance, be preferably vertical insertion, therefore the degree of depth of inserting can be determined according to the height of concrete railway board 3, usually be set to height 1/2nd to 3/4ths between, thereby measure exactly the temperature of concrete core.After maintenance finishes 3 moulding of concrete simulation plate, detector bar is taken out from sleeve, sleeve is stayed in analog board 3, then seals with adhesive tape.Because the volume of this sleeve is very little with respect to whole concrete track plate bulk, the sleeve pipe that therefore is retained in concrete can't impact the performances such as intensity that concrete is simulated plate.Temperature sensor T3 has the structure identical with T1, and its core that is arranged on test block 4 is used for measuring the temperature of test block 4 cores.Therefore, temperature sensor T1 and the T3 core temperature in can real-time follow-up concrete curing process changes.
This maintenance of equipment also comprises for the temperature sensor T2 and the T5 that measure curing temperature, and is used for the temperature sensor T4 of measures ambient temperature.Wherein, temperature sensor T2 is arranged on to be equipped with and is used for measuring the waters temperature in test block 4 and water-filled water tank, due to the heating arrangement 6 that is provided with in water tank such as electric resistance heater, can realize maintenance to test block 4 by heating water, therefore be the curing temperature of test block 4 by the measured waters temperature of T2.Temperature sensor T4 is exposed in air, is used for measures ambient temperature, and this temperature sensor can have also and can not have.Temperature sensor T5 is arranged on the temperature that is used for Measurement die in the mould of making analog board 3, due to the heating arrangement 5 that is provided with in mould such as jet chimney, can realize maintenance to analog board by heating mould, therefore be the curing temperature of analog board 3 by the measured mold temperature of T5.In the present embodiment, described temperature sensor is generally Pt100 industry A grade platinum resistance temperature sensor, preferably, these temperature sensors adopt parallel way to connect, this mode can be avoided because of the excessive problem of the long caused signal attenuation of cable length, thereby has improved thermometric accuracy.Heating arrangement 5 preferably is connected with temperature acquisition control device 1 by the electromagnetic valve (not shown in figure 1) with 6, to realize the automatic control of 1 pair of heating arrangement of temperature acquisition control device.
Fig. 3 is the functional-block diagram of the maintenance of equipment of Fig. 1.As can be seen from the figure, said temperature sensor T1, T2, T3, T4 and T5 are connected with temperature acquisition control device 1, and the temperature signal that is used for they are detected sends to temperature acquisition control device 1.Temperature acquisition control device 1 comprises control module 11, data acquisition unit 12 and time management unit 13.Wherein, temperature sensor T1～T5 is electrically connected to data acquisition unit 12, is used for the temperature signal that detects is sent to data acquisition unit 12.Data acquisition unit 12 is electrically connected to control module 11, is used for receiving described temperature signal and sending it to control module 11.Control module 11 is connected with 6 with heating arrangement 5 respectively by electromagnetic valve, is used for controlling the Kai Heguan of heating arrangement.Preferably, this temperature acquisition control device 1 also comprises the time management unit 13 for detection of the time, and it is connected with control module 11, is used for the transmitting time signal to control module 11.This maintenance of equipment also comprises the Industrial Control Computer 2 that is connected with temperature acquisition control device 1.Particularly, this Industrial Control Computer 2 is connected with control module 11, and control module 11 sends to Industrial Control Computer 2 with the temperature and time signal that it receives.This Industrial Control Computer adopts technical grade computing machine, can store received temperature and time signal, and according to the measured data of each measuring point, is processed into corresponding time-temperature curve, and the inquiry of historical data can obtain by corresponding date of test.In addition, can also pass through the curing conditions such as the curing temperature of setting concrete railway board and test block, heating rate, temperature retention time in this Industrial Control Computer in advance, and automatically send to control module 11 instruction that stops or continuing heating according to these parameters that preset, thereby realize the automatic control to the maintenance processes of concrete railway board and test block.
In the present invention, the temperature sensor of measuring concrete simulation plate and test block directly is inserted into the core of analog board and test block, has realized the Measurement accuracy to core temperature.In use, can carry out Real-Time Monitoring to the temperature of each isolated area, and the curing temperature according to the concrete railway board of setting in this Industrial Control Computer in advance and test block, heating arrangement is carried out in real time and accurately controls, therefore, curing temperature when strictly having controlled maintenance and temperature error are conducive to guarantee the quality of concrete product.In addition, the automatic control of computing machine has reduced workman's labour intensity effectively, has improved production efficiency, has reduced production cost.
Although the present invention is made specific descriptions with reference to the above embodiments, but for the person of ordinary skill of the art, should be appreciated that and to modify or to improve based on content disclosed by the invention not breaking away within spirit of the present invention and scope, these modifications and improving all within spirit of the present invention and scope.
Claims (10)
1. temperature measuring equipment that is used for concrete railway board and test block comprises:
Be arranged on the first temperature measuring unit of the core of described concrete railway board;
Be arranged on the second temperature measuring unit of the core of described concrete test block;
Wherein said the first and second temperature measuring unit include detector bar and are used for dismountable sleeve pipe of this detector bar of encapsulation, described the first temperature measuring unit vertically be inserted into described concrete railway board height 1/2nd to 3/4ths between the degree of depth, described the second temperature measuring unit be inserted into described test block height 1/2nd to 3/4ths between the degree of depth.
2. temperature measuring equipment according to claim 1, is characterized in that, after concrete formation, described detector bar taken out from sleeve, and sleeve is stayed in the concrete of moulding.
3. temperature measuring equipment according to claim 1, is characterized in that, also comprises:
The 3rd temperature measuring unit that is used for the curing temperature of measurement concrete railway board;
The 4th temperature measuring unit that is used for the curing temperature of measurement concrete test block.
4. temperature measuring equipment according to claim 3, is characterized in that, described first, second, third adopts parallel way to connect with the 4th temperature measuring unit.
5. a maintenance of equipment that is used for concrete railway board and test block, is characterized in that, comprises temperature measuring equipment according to claim 1 and 2.
6. a maintenance of equipment that is used for concrete railway board and test block, is characterized in that, comprises according to claim 3 or 4 described temperature measuring equipments.
7. maintenance of equipment according to claim 6, is characterized in that, also comprises:
The temperature acquisition control device that is connected with described temperature measuring equipment;
The first and second heating arrangements that are connected with described temperature acquisition control device are used for heating respectively described concrete railway board and test block;
The Industrial Control Computer that is connected with described temperature acquisition control device.
8. maintenance of equipment according to claim 7, is characterized in that, described temperature acquisition control device comprises data acquisition unit and control module, wherein:
Described data acquisition unit is connected with described first, second, third, fourth temperature measuring unit, is used for receiving the measured temperature signal of these temperature measuring unit and this temperature signal is sent to described control module;
Described control module is connected with described data acquisition unit, is used for receiving described temperature signal and this temperature signal being sent to Industrial Control Computer;
Described control module is connected with described the first and second heating arrangements through solenoid valve.
9. maintenance of equipment according to claim 8, is characterized in that, described temperature acquisition control device also comprises the time management unit for Measuring Time, and this time management unit is connected with described control module.
10. arbitrary described maintenance of equipment according to claim 7 to 9 is characterized in that described first heater is arranged in the mould of described concrete railway board, and described secondary heating mechanism is arranged on and is equipped with in test block and water-filled water tank.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910242866 CN102103026B (en) | 2009-12-18 | 2009-12-18 | Temperature measuring device and maintenance device for concrete track slab and coupon |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910242866 CN102103026B (en) | 2009-12-18 | 2009-12-18 | Temperature measuring device and maintenance device for concrete track slab and coupon |
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| CN102103026A CN102103026A (en) | 2011-06-22 |
| CN102103026B true CN102103026B (en) | 2013-11-06 |
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| CN 200910242866 Active CN102103026B (en) | 2009-12-18 | 2009-12-18 | Temperature measuring device and maintenance device for concrete track slab and coupon |
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| CN108151898A (en) * | 2018-01-05 | 2018-06-12 | 重庆大学 | A kind of steel box girder bridge simulation temperature measurement device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5209568A (en) * | 1990-10-09 | 1993-05-11 | Imago | Machine for monitoring the characteristics of materials exhibiting a phase transformation, reversible or otherwise |
| CN2372710Y (en) * | 1999-07-05 | 2000-04-05 | 北京市城市建设工程研究院 | Concrete curing temp. measuring-controlling device |
| CN2502259Y (en) * | 2001-10-18 | 2002-07-24 | 苏振复 | Equipment for fast thermal curing concrete test-piece on construction site |
| WO2005065411A2 (en) * | 2003-12-31 | 2005-07-21 | Saudi Arabian Oil Company | Test apparatus for direct measurement of expansion and shrinkage of oil well cements |
| CN1740790A (en) * | 2005-08-03 | 2006-03-01 | 清华大学 | Automatic measuring system for concrete temperature linear deformation |
| CN201653588U (en) * | 2009-12-18 | 2010-11-24 | 北京中铁房山桥梁有限公司 | Temperature measuring device used for concrete track slabs and test blocks and maintenance device |
-
2009
- 2009-12-18 CN CN 200910242866 patent/CN102103026B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5209568A (en) * | 1990-10-09 | 1993-05-11 | Imago | Machine for monitoring the characteristics of materials exhibiting a phase transformation, reversible or otherwise |
| CN2372710Y (en) * | 1999-07-05 | 2000-04-05 | 北京市城市建设工程研究院 | Concrete curing temp. measuring-controlling device |
| CN2502259Y (en) * | 2001-10-18 | 2002-07-24 | 苏振复 | Equipment for fast thermal curing concrete test-piece on construction site |
| WO2005065411A2 (en) * | 2003-12-31 | 2005-07-21 | Saudi Arabian Oil Company | Test apparatus for direct measurement of expansion and shrinkage of oil well cements |
| CN1740790A (en) * | 2005-08-03 | 2006-03-01 | 清华大学 | Automatic measuring system for concrete temperature linear deformation |
| CN201653588U (en) * | 2009-12-18 | 2010-11-24 | 北京中铁房山桥梁有限公司 | Temperature measuring device used for concrete track slabs and test blocks and maintenance device |
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| CN102103026A (en) | 2011-06-22 |
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