CN103675003A - Split type freezing and thawing testing machine - Google Patents
Split type freezing and thawing testing machine Download PDFInfo
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- CN103675003A CN103675003A CN201310736997.2A CN201310736997A CN103675003A CN 103675003 A CN103675003 A CN 103675003A CN 201310736997 A CN201310736997 A CN 201310736997A CN 103675003 A CN103675003 A CN 103675003A
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Abstract
The invention discloses a split type freezing and thawing testing machine which comprises a main box body and an outdoor machine, wherein the main box body comprises a test piece box and a heating device; the heating device is arranged beside the test piece box and communicated with the interior of the test piece box through a pipeline; the outdoor machine comprises a refrigerating device and a water pump; a grating is arranged in the test piece box; concrete test piece boxes are arranged in the grating; a hollow guide pipe connected end to end to form a square is also arranged in the test piece box; the section of the guide pipe is square; the outer ring of the guide pipe is fixed on the inner wall of the test piece box; a liquid inlet communicated with the interior of the guide pipe is formed in the outer wall of the guide pipe; the liquid inlet is connected with a third pipeline; a plurality of liquid outlets communicated with the guide pipe are formed in the outer wall of the guide pipe; the hole diameters of the liquid outlets become larger gradually from the direction closer to the liquid inlet to the direction far away from the liquid inlet; the split type freezing and thawing testing machine disclosed by the invention has the advantages that the uniformity of temperature in the test piece box is improved greatly, thereby avoiding temperature difference among multiple concrete test pieces and enabling the test data to be more accurate and reliable.
Description
Technical field
The present invention relates to a kind of freezing-thawing test machine, relate in particular to a kind of split type freezing-thawing test machine, belong to and concrete antifreezing performance testing equipment technical field.
Background technology
In order to detect the anti-freezing property of concrete sample, need simulating nature circle variation of ambient temperature, concrete sample is tested, be called freezing-thawing test.In prior art, freezing equipment and thawing equipment separate, temperature-fall period will be placed on concrete sample in household freezer (refrigerant is air), after completing, need manually from household freezer, to take out test specimen, then putting into thawing equipment (aqueous fusion) melts, and then manually take out test specimen, put into household freezer and carry out next circulation, concrete sample is placed in back and forth and freezes, melts equipment, take a lot of work, require great effort, labour intensity is large, and the concrete time in transfer process will with ambient atmosphere environmental exposure, increased test error.
As the split type freezing-thawing test machine of Chinese invention patent < < > >, application number is 201220736484.2, a kind of split type freezing-thawing test machine is disclosed, this freezing-thawing test machine utilizes refrigerating plant and water pump to filling liquid medium in test specimen case, to concrete sample, carry out freezing, after reaching the temperature needing, refrigerating plant cuts out, utilize heating arrangement and water pump to filling liquid medium in test specimen case, concrete sample is melted, complete a freezing and thawing cycle, repeat above-mentioned steps, enter next freezing and thawing cycle.The automatization level of this freezing-thawing test machine is high, and process of the test does not need manual intervention, and concrete sample, in test specimen case, does not contact with atmospheric environment, and test figure is accurate; Meanwhile, freezing-thawing test owner will comprise main box and off-premises station, makes the small volume of main box and off-premises station, puts dexterousr.But in above-mentioned freezing-thawing test machine, liquid medium enters in test specimen case by single inlet, due to stopping of concrete sample, can cause the non-uniform temperature in test specimen case, cause the temperature between a plurality of concrete samples there are differences, thereby increased test error.
Summary of the invention
Technical matters for above-mentioned existence, the object of the invention is: proposed a kind of liquid medium and entered the split type freezing-thawing test machine in test specimen case by mozzle.
Technical solution of the present invention is achieved in that a kind of split type freezing-thawing test machine, comprises main box and off-premises station; In described main box, be provided with test specimen case and heating arrangement; Described heating arrangement arranges test specimen case side, by pipeline, communicates with test specimen case inside; In described off-premises station, be provided with refrigerating plant and water pump; Described refrigerating plant is connected by the first pipeline with water pump; Described heating arrangement is connected by the second pipeline with water pump; Described test specimen case is connected by the 3rd pipeline with refrigerating plant; In described test specimen case, be provided with grid; In described grid, be provided with concrete sample case; In described test specimen case, be also provided with head and the tail and connect into square mozzle; Described mozzle hollow; The cross section of described mozzle is square; The outer shroud of described mozzle is fixed on the inwall of test specimen case; On the outer wall of described mozzle, have the inlet communicating with mozzle inside; Described inlet and the 3rd pipeline join; On the inwall of described mozzle, have a plurality of liquid outlets that communicate with mozzle; The aperture of described liquid outlet increases successively from the direction close to away from inlet.
Preferably, the quantity of described liquid outlet is identical with the quantity of grid grizzly bar; The center line of the center line of described liquid outlet and grid grizzly bar is positioned at same perpendicular.
Preferably, described main box side is provided with switch board; Described switch board is connected with heating arrangement, refrigerating plant and water pump, for controlling heating arrangement, refrigerating plant and water pump start and stop.
Preferably, described refrigerating plant comprises compressor reducer, condenser and heat interchanger; Described water pump is connected with heat interchanger by the first pipeline; Described test specimen case is connected with heat interchanger by the 3rd pipeline.
Preferably, in the perisporium of described test specimen case, be provided with heat-insulation layer.
Preferably, in described heat-insulation layer, be filled with foamed cotton.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
Split type freezing-thawing test machine of the present invention, liquid medium enters in test specimen case by mozzle, because the liquid outlet of mozzle is provided with a plurality of, the aperture of liquid outlet increases successively from the direction close to away from inlet, can greatly improve the homogeneity of test specimen the temperature inside the box, thereby avoided the temperature between a plurality of concrete samples there are differences, made test figure more precisely, reliably.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Accompanying drawing 1 is the structural representation of split type freezing-thawing test machine of the present invention;
Accompanying drawing 2 is the use status architecture schematic diagram of split type freezing-thawing test machine of the present invention;
Accompanying drawing 3 is the structural representation of the mozzle of split type freezing-thawing test machine of the present invention;
Wherein: 1, main box; 2, off-premises station; 3, test specimen case; 4, heating arrangement; 5, water pump; 6, the first pipeline; 7, the second pipeline; 8, the 3rd pipeline; 9, grid; 10, mozzle; 11, inlet; 12, liquid outlet; 13, switch board; 14, compressor reducer; 15, condenser; 16, heat interchanger; 17, heat-insulation layer; 18, concrete sample case.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described.
Of the present invention a kind of split type freezing-thawing test machine as shown in accompanying drawing 1,3, comprises main box 1 and off-premises station 2; In described main box 1, be provided with test specimen case 3 and heating arrangement 4; Described heating arrangement 4 arranges test specimen case 3 sides, by pipeline, communicates with test specimen case 3 inside; In described off-premises station 2, be provided with refrigerating plant and water pump 5; Described refrigerating plant is connected by the first pipeline 6 with water pump 5; Described heating arrangement 4 is connected by the second pipeline 7 with water pump 5; Described test specimen case 3 is connected by the 3rd pipeline 8 with refrigerating plant; In described test specimen case 3, be provided with grid 9; In described grid 9, be provided with concrete sample case 18; In described test specimen case 3, be also provided with head and the tail and connect into square mozzle 10; Described mozzle 10 hollows; The cross section of described mozzle 10 is square; The outer shroud of described mozzle 10 is fixed on the inwall of test specimen case 3; On the outer wall of described mozzle 10, have the inlet 11 communicating with mozzle 10 inside; Described inlet 11 and the 3rd pipeline 8 join; On the inwall of described mozzle 10, have a plurality of liquid outlets 12 that communicate with mozzle 10; The aperture of described liquid outlet 12 increases successively from the direction close to away from inlet 11; Described main box 1 side is provided with switch board 13; Described switch board 13 is connected with heating arrangement 4, refrigerating plant and water pump 5, for controlling heating arrangement 4, refrigerating plant and water pump 5 start and stop; Described refrigerating plant comprises compressor reducer 14, condenser 15 and heat interchanger 16; Described water pump 5 is connected with heat interchanger 16 by the first pipeline 6; Described test specimen case 3 is connected with heat interchanger 16 by the 3rd pipeline 8; In the perisporium of described test specimen case 3, be provided with heat-insulation layer 17; In described heat-insulation layer 17, be filled with foamed cotton.
Of the present invention split type freezing-thawing test machine as shown in Figure 2, liquid medium is from the 3rd pipeline 8, through mozzle 10, flow in test specimen casees 3, after flow through successively heating arrangement 4, water pump 5 and refrigerating plant, again through mozzle 10, flow in test specimen case 3, form liquid medium flow circuit.During use, concrete sample is placed in concrete sample case 18, first by switch board 13, opens refrigerating plant, to concrete sample, carry out freezing, after reaching the temperature needing, by switch board 13, close refrigerating plant, open heating arrangement 4, concrete sample is melted, complete a freezing and thawing cycle, repeat above-mentioned steps, enter next freezing and thawing cycle.
Split type freezing-thawing test machine of the present invention, liquid medium enters in test specimen case by mozzle, because the liquid outlet of mozzle is provided with a plurality of, the aperture of liquid outlet increases successively from the direction close to away from inlet, can greatly improve the homogeneity of test specimen the temperature inside the box, thereby avoided the temperature between a plurality of concrete samples there are differences, made test figure more precisely, reliably.
In order better to reach above-mentioned effect, the quantity of institute's liquid outlet is identical with the quantity of grid grizzly bar; The center line of the center line of described liquid outlet and grid grizzly bar is positioned at same perpendicular.
Above-mentioned split type freezing-thawing test machine, automatization level is high, and process of the test does not need manual intervention, and concrete sample, in test specimen case, does not contact with atmospheric environment, and test figure is accurate; Meanwhile, split type freezing-thawing test owner will comprise main box and off-premises station, makes the small volume of main box and off-premises station, puts dexterousr.
Above-described embodiment is only explanation technical conceive of the present invention and feature; its object is to allow person skilled in the art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (6)
1. a split type freezing-thawing test machine, is characterized in that: comprise main box and off-premises station; In described main box, be provided with test specimen case and heating arrangement; Described heating arrangement arranges test specimen case side, by pipeline, communicates with test specimen case inside; In described off-premises station, be provided with refrigerating plant and water pump; Described refrigerating plant is connected by the first pipeline with water pump; Described heating arrangement is connected by the second pipeline with water pump; Described test specimen case is connected by the 3rd pipeline with refrigerating plant; In described test specimen case, be provided with grid; In described grid, be provided with concrete sample case; In described test specimen case, be also provided with head and the tail and connect into square mozzle; Described mozzle hollow; The cross section of described mozzle is square; The outer shroud of described mozzle is fixed on the inwall of test specimen case; On the outer wall of described mozzle, have the inlet communicating with mozzle inside; Described inlet and the 3rd pipeline join; On the inwall of described mozzle, have a plurality of liquid outlets that communicate with mozzle; The aperture of described liquid outlet increases successively from the direction close to away from inlet.
2. split type freezing-thawing test machine according to claim 1, is characterized in that: the quantity of described liquid outlet is identical with the quantity of grid grizzly bar; The center line of the center line of described liquid outlet and grid grizzly bar is positioned at same perpendicular.
3. split type freezing-thawing test machine according to claim 1 and 2, is characterized in that: described main box side is provided with switch board; Described switch board is connected with heating arrangement, refrigerating plant and water pump, for controlling heating arrangement, refrigerating plant and water pump start and stop.
4. split type freezing-thawing test machine according to claim 3, is characterized in that: described refrigerating plant comprises compressor reducer, condenser and heat interchanger; Described water pump is connected with heat interchanger by the first pipeline; Described test specimen case is connected with heat interchanger by the 3rd pipeline.
5. according to the split type freezing-thawing test machine one of claim 1～4 Suo Shu, it is characterized in that: in the perisporium of described test specimen case, be provided with heat-insulation layer.
6. split type freezing-thawing test machine according to claim 5, is characterized in that: in described heat-insulation layer, be filled with foamed cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310736997.2A CN103675003A (en) | 2013-12-28 | 2013-12-28 | Split type freezing and thawing testing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310736997.2A CN103675003A (en) | 2013-12-28 | 2013-12-28 | Split type freezing and thawing testing machine |
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| CN103675003A true CN103675003A (en) | 2014-03-26 |
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| CN201310736997.2A Pending CN103675003A (en) | 2013-12-28 | 2013-12-28 | Split type freezing and thawing testing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105911085A (en) * | 2016-06-21 | 2016-08-31 | 安徽亿瑞深冷能源科技有限公司 | Small portable split type high-low temperature test chamber |
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| CN202532953U (en) * | 2012-04-27 | 2012-11-14 | 李蔚 | Jet flow pipe and jet flow heat exchanger with same |
| CN103063694A (en) * | 2012-12-28 | 2013-04-24 | 苏州市东华试验仪器有限公司 | Integrated freezing-thawing test machine |
| CN103063693A (en) * | 2012-12-28 | 2013-04-24 | 苏州市东华试验仪器有限公司 | Freezing-thawing test machine |
| CN203745396U (en) * | 2013-12-28 | 2014-07-30 | 苏州市东华试验仪器有限公司 | Split type freeze-thawing testing machine |
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2013
- 2013-12-28 CN CN201310736997.2A patent/CN103675003A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1094156A (en) * | 1992-12-07 | 1994-10-26 | 多维垛国际有限公司 | The improvement of plate type heat exchanger |
| CN2215721Y (en) * | 1995-03-20 | 1995-12-20 | 北京设备成套公司 | Test device for concrete quick anti-freezing |
| CN2275240Y (en) * | 1997-01-15 | 1998-02-25 | 北京设备成套公司 | Quick freeze-thawing test device for concrete |
| CN2604299Y (en) * | 2003-03-14 | 2004-02-25 | 北京城建集团总公司构件厂 | Single-mounld position concrete products steam curing cover |
| CN101069793A (en) * | 2007-03-09 | 2007-11-14 | 兰州理工大学 | Drip-irrigation water-current mud-sand separation system |
| CN201331184Y (en) * | 2009-01-15 | 2009-10-21 | 珠海格力电器股份有限公司 | Water tank for water heater of heat pump |
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| CN202532953U (en) * | 2012-04-27 | 2012-11-14 | 李蔚 | Jet flow pipe and jet flow heat exchanger with same |
| CN103063694A (en) * | 2012-12-28 | 2013-04-24 | 苏州市东华试验仪器有限公司 | Integrated freezing-thawing test machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105911085A (en) * | 2016-06-21 | 2016-08-31 | 安徽亿瑞深冷能源科技有限公司 | Small portable split type high-low temperature test chamber |
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Application publication date: 20140326 |