CN103698496B - A kind of fast freeze-thaw and unilateral freeze thawing integration test machine - Google Patents
A kind of fast freeze-thaw and unilateral freeze thawing integration test machine Download PDFInfo
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- CN103698496B CN103698496B CN201310737118.8A CN201310737118A CN103698496B CN 103698496 B CN103698496 B CN 103698496B CN 201310737118 A CN201310737118 A CN 201310737118A CN 103698496 B CN103698496 B CN 103698496B
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Abstract
The invention discloses a kind of fast freeze-thaw and unilateral freeze thawing integration test machine, including main box；Test piece box, heater, refrigerating plant and water pump are provided with the main box；The heater is by the first pipeline with being communicated inside test piece box；The heater is connected with water pump by the second pipeline；The water pump is connected with refrigerating plant by the 3rd pipeline；The refrigerating plant is connected with test piece box by the 4th pipeline；It is removable in the test piece box to be provided with grid and unilateral freezing-thawing test case；In the inwall of the test piece box infrared ray sensor is not waited at least provided with two height；The fast freeze-thaw of the present invention and unilateral freeze thawing integration test machine, the freezing-thawing test of concrete sample can be carried out, and can carries out the unilateral freezing-thawing test of concrete sample, and a testing machine can do two experiments, greatly reduce experimentation cost.
Description
Technical field
The present invention relates to a kind of freezing-thawing test machine, more particularly to a kind of fast freeze-thaw and unilateral freeze thawing integration test machine, category
In and concrete antifreezing performance technical field of test equipment.
Background technology
In order to detect the anti-freezing property of concrete sample, it is necessary to nature variation of ambient temperature be simulated, to concrete sample
Tested, referred to as freezing-thawing test.If during experiment, as long as concrete sample while contacted with liquid medium, is then referred to as
The unilateral freezing-thawing test of concrete, two experiments have common part.In the prior art, the freezing-thawing test of concrete sample is to pass through jelly
Melt testing machine to carry out, and the unilateral freezing-thawing test of concrete sample is then carried out by unilateral freezing-thawing test machine, if
Both the freezing-thawing test of progress concrete sample is needed, the unilateral freezing-thawing test in need for carrying out concrete sample, then needs to prepare
Two testing machines, experimentation cost are larger.
Such as Chinese invention patent《Monoblock type freezing-thawing test machine》, Application No. 201220736516.9, disclose a kind of whole
Body formula freezing-thawing test machine.And for example Chinese invention patent《Split type freezing-thawing test machine》, Application No. 201220736484.2, disclosure
A kind of monoblock type freezing-thawing test machine.Two kinds of freezing-thawing test machines are all that liquid is injected into test piece box using refrigerating plant and water pump
Medium, concrete sample is freezed, after the temperature of needs is reached, refrigerating plant is closed, and utilizes heater and water pump
Liquid medium is injected into test piece box, concrete sample is melted, a freezing and thawing cycle is completed, repeats the above steps, enter
Enter next freezing and thawing cycle.The automatization level of two kinds of above-mentioned freezing-thawing test machines is high, and experiment process does not need manual intervention, mixes
Coagulate native test specimen to be in test piece box, do not contacted with atmospheric environment, test data is accurate, but two kinds of freezing-thawing test machines can not all enter
The unilateral freezing-thawing test of row concrete sample.
Such as Chinese invention patent《The unilateral freezing-thawing test machine of concrete》, Application No. 201220746644.1, disclose one
The kind unilateral freezing-thawing test machine of concrete.The unilateral freezing-thawing test machine can carry out precooling by refrigeration groove to test piece box, to reduce
The temperature of test piece box, and the cooling water supplemented in refrigeration groove can be given in test piece box by magnetic valve, to balance in test piece box
The deviation of target temperature and actual temperature, therefore the temperature accuracy in test piece box can be greatly improved, but this kind of unilateral freeze thawing examination
The machine of testing can not carry out the freezing-thawing test of concrete sample.
The content of the invention
For above-mentioned technical problem, the purpose of the present invention is：Propose a kind of fast freeze-thaw and unilateral freeze thawing one
Body testing machine, this kind of testing machine can carry out the freezing-thawing test of concrete sample, and and can carries out the unilateral freeze thawing of concrete sample
Experiment.
What the technical solution of the present invention was realized in：A kind of fast freeze-thaw and unilateral freeze thawing integration test machine, bag
Include main box；Test piece box, heater, refrigerating plant and water pump are provided with the main box；The heater passes through first
Pipeline inside test piece box with communicating；The heater is connected with water pump by the second pipeline；The water pump and refrigerating plant lead to
The 3rd pipeline is crossed to be connected；The refrigerating plant is connected with test piece box by the 4th pipeline；It is removable in the test piece box to be provided with
Grid and unilateral freezing-thawing test case；In the inwall of the test piece box infrared ray sensor is not waited at least provided with two height.
Preferably, the inwall of the test piece box is provided with liquid barrier.
Preferably, the grid is located at the top of unilateral freezing-thawing test case.
Preferably, the 4th pipeline solenoid group；The solenoid valve block includes three magnetic valves being arranged side by side；Institute
It is two small magnetic valves and a big magnetic valve to state three magnetic valves.
Preferably, the outer wall of the liquid barrier is provided with raised line；The grid is arranged in test piece box by raised line.
Preferably, multiple shelves are provided with the test piece box at equal intervals；The unilateral freezing-thawing test case is set by shelf
Put in test piece box.
Preferably, the main box side is provided with switch board；The switch board and heater, refrigerating plant, water pump and
Infrared ray sensor is connected, for controlling heater, refrigerating plant, water pump and infrared ray sensor start and stop.
Preferably, the refrigerating plant includes compressor reducer, condenser and heat exchanger；The water pump is by the 3rd pipeline with changing
Hot device is connected；The test piece box is connected by the 4th pipeline with heat exchanger.
Preferably, it is provided with heat-insulation layer in the perisporium of the test piece box.
Preferably, it is filled with foamed cotton in the heat-insulation layer.
Due to the utilization of above-mentioned technical proposal, the present invention has following advantages compared with prior art：
The fast freeze-thaw of the present invention and unilateral freeze thawing integration test machine, when the unilateral freezing-thawing test for carrying out concrete sample
When, concrete sample is put into unilateral freezing-thawing test case, the infrared ray sensor of lower position starts so that the liquid in test piece box
The height that face is highly in required for unilateral freezing-thawing test, carry out the unilateral freezing-thawing test of concrete sample；When progress concrete
During the freezing-thawing test of test specimen, unilateral freezing-thawing test case is removed, concrete sample is put into concrete sample case, then by coagulation
Native test piece box is put into grid, and the infrared ray sensor of high position starts so that the liquid level in test piece box is in freeze thawing examination
Required height is tested, carries out the freezing-thawing test of concrete sample, a testing machine can do two experiments, greatly reduce examination
Test cost.
Brief description of the drawings
Technical solution of the present invention is described further below in conjunction with the accompanying drawings：
Accompanying drawing 1 is the fast freeze-thaw of the present invention and the structural representation of unilateral freeze thawing integration test machine；
Accompanying drawing 2 is the partial enlarged drawing of accompanying drawing 1；
Accompanying drawing 3 is the fast freeze-thaw of the present invention and heater, refrigerating plant and the water pump of unilateral freeze thawing integration test machine
Attachment structure schematic diagram；
Accompanying drawing 4 is fast freeze-thaw of the invention and the structural representation of the solenoid valve block of unilateral freeze thawing integration test machine；
Accompanying drawing 5 is the structural representation of the fast freeze-thaw and the shelf of unilateral freeze thawing integration test machine of the present invention；
Accompanying drawing 6 is the structural representation of the unilateral freezing-thawing test of progress of the monoblock type freezing-thawing test machine of the present invention；
Accompanying drawing 7 is the structural representation of the carry out freezing-thawing test of the monoblock type freezing-thawing test machine of the present invention；
Wherein：1st, main box；2nd, test piece box；3rd, heater；4th, water pump；5th, the first pipeline；6th, the second pipeline；7th, the 3rd
Pipeline；8th, the 4th pipeline；9th, grid；10th, unilateral freezing-thawing test case；11st, infrared ray sensor；12nd, liquid barrier；13rd, switch board；
14th, compressor reducer；15th, condenser；16th, heat exchanger；17th, heat-insulation layer；18th, small magnetic valve；19th, big magnetic valve；20th, raised line；21st, put
Frame；22nd, concrete sample；23rd, freezing-thawing test case.
Embodiment
Illustrate the present invention below in conjunction with the accompanying drawings.
A kind of fast freeze-thaw of the present invention and unilateral freeze thawing integration test machine as shown in accompanying drawing 1-5, including main tank
Body 1；Test piece box 2, heater 3, refrigerating plant and water pump 4 are provided with the main box 1；The heater 3 passes through first
Pipeline 5 inside test piece box 1 with communicating；The heater 3 is connected with water pump 4 by the second pipeline 6；The water pump 4 and refrigeration
Device is connected by the 3rd pipeline 7；The refrigerating plant is connected with test piece box 2 by the 4th pipeline 8；Can in the test piece box 2
Dismounting is provided with grid 9 and unilateral freezing-thawing test case 10；It is not etc. infrared at least provided with two height in the inwall of the test piece box 2
Line sensor 11；The height that infrared ray sensor 11 is set is required for the unilateral freezing-thawing test and freezing-thawing test of concrete sample
Liquid level；The inwall of the test piece box 2 is provided with liquid barrier 12；The grid 9 is located at the upper of unilateral freezing-thawing test case 10
Side；Preferably, the side of main box 1 is provided with switch board 13；The switch board 13 and heater 3, refrigerating plant, water pump 4
It is connected with infrared ray sensor 11, for controlling heater 3, refrigerating plant, water pump 4 and the start and stop of infrared ray sensor 11；Institute
Stating refrigerating plant includes compressor reducer 14, condenser 15 and heat exchanger 16；The water pump 4 passes through the 3rd pipeline 7 and the phase of heat exchanger 16
Even；The test piece box 2 is connected by the 4th pipeline 8 with heat exchanger 16；Heat-insulation layer 17 is provided with the perisporium of the test piece box 2；Institute
State in heat-insulation layer 17 and be filled with foamed cotton.
Above-mentioned fast freeze-thaw and unilateral freeze thawing integration test machine, the solenoid group of the 4th pipeline 8；The magnetic valve
Group includes three magnetic valves being arranged side by side；Three magnetic valves are two small magnetic valve 18 and one big magnetic valve 19, when
When the temperature difference between actual temperature and target temperature in test piece box 2 is bigger, big magnetic valve 19 is opened, being capable of Fast-Balance
The deviation of target temperature and actual temperature in test piece box 2；The temperature difference between the actual temperature in test piece box 2 and target temperature
When smaller, small magnetic valve 18 is opened, the deviation of target temperature that can be in active balance test piece box 2 and actual temperature, greatly
The big temperature accuracy improved in test piece box 2.
Above-mentioned fast freeze-thaw and unilateral freeze thawing integration test machine, the outer wall of the liquid barrier 12 are provided with raised line 20；Institute
Grid 9 is stated to be arranged in test piece box 2 by raised line 20；Multiple shelves 21 are provided with the test piece box 2 at equal intervals；It is described unilateral
Freezing-thawing test case 10 is arranged in test piece box 2 by shelf 21, realizes the dismantled and assembled of grid 8 and unilateral freezing-thawing test case 10.
Fast freeze-thaw of the present invention as shown in Figure 6 and unilateral freeze thawing integration test machine, liquid medium is from the 4th
Pipeline 8, inwall through liquid barrier 12 are flowed into test piece box 2, after flow through heater 3, water pump 4 and refrigerating plant successively, again
Inwall through liquid barrier 12 is flowed into test piece box 2, forms liquid medium flow circulation；When the unilateral freeze thawing for carrying out concrete sample
During experiment, concrete sample 22 is put into unilateral freezing-thawing test case 10, operational control cabinet 13, the infrared ray sensor of lower position
11 start so that after the liquid level in test piece box 2 be in the height required for unilateral freezing-thawing test, open and form liquid medium
Flow circuit, carry out the unilateral freezing-thawing test of concrete sample；Fast freeze-thaw of the present invention as shown in Figure 7 with it is unilateral
Freeze thawing integration test machine, when carrying out the freezing-thawing test of concrete sample, unilateral freezing-thawing test case 10 is removed, by concrete sample
22 are put into freezing-thawing test case 23, and then freezing-thawing test case 23 is put into grid 9, operational control cabinet 13, high position it is infrared
Line sensor 11 starts so that after the liquid level in test piece box is in the height required for freezing-thawing test, unlatching forms liquid
Media flow circulates, and carries out the freezing-thawing test of concrete sample, and a testing machine can do two experiments, greatly reduce experiment
Cost.
Above-mentioned fast freeze-thaw and unilateral freeze thawing integration test machine, can also set an infrared ray sensor again, it sets
The height put is the liquid level required for the salt water immersion test of concrete sample, and such testing machine can do three examinations
Test, greatly reduce experimentation cost.
Above-mentioned fast freeze-thaw and unilateral freeze thawing integration test machine, automatization level is high, and experiment process need not manually be done
In advance, concrete sample is in test piece box, is not contacted with atmospheric environment, test data is accurate.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and be carried out, and it is not intended to limit the scope of the present invention, all according to the present invention
The equivalent change or modification that Spirit Essence is made, it should all cover within the scope of the present invention.
Claims (5)
1. a kind of fast freeze-thaw and unilateral freeze thawing integration test machine, it is characterised in that：Including main box；It is provided with the main box
Test piece box, heater, refrigerating plant and water pump；The heater is by the first pipeline with being communicated inside test piece box；It is described
Heater is connected with water pump by the second pipeline；The water pump is connected with refrigerating plant by the 3rd pipeline；The refrigeration dress
Put and be connected with test piece box by the 4th pipeline；It is removable in the test piece box to be provided with grid and unilateral freezing-thawing test case；It is described
In the inwall of test piece box infrared ray sensor is not waited at least provided with two height；The inwall of the test piece box is provided with liquid barrier；
The grid is located at the top of unilateral freezing-thawing test case；4th pipeline is provided with solenoid valve block；The solenoid valve block includes
Three magnetic valves being arranged side by side；Three magnetic valves are two small magnetic valves and a big magnetic valve；The liquid barrier
Outer wall is provided with raised line；The grid is arranged in test piece box by raised line；Multiple put is provided with the test piece box at equal intervals
Frame；The unilateral freezing-thawing test case is arranged in test piece box by shelf.
2. fast freeze-thaw according to claim 1 and unilateral freeze thawing integration test machine, it is characterised in that：By the main box
Side is provided with switch board；The switch board is connected with heater, refrigerating plant, water pump and infrared ray sensor, adds for controlling
Thermal, refrigerating plant, water pump and infrared ray sensor start and stop.
3. fast freeze-thaw according to claim 2 and unilateral freeze thawing integration test machine, it is characterised in that：The refrigerating plant
Including compressor reducer, condenser and heat exchanger；The water pump is connected by the 3rd pipeline with heat exchanger；The test piece box passes through the 4th
Pipeline is connected with heat exchanger.
4. fast freeze-thaw according to claim 1 and unilateral freeze thawing integration test machine, it is characterised in that：The test piece box
Heat-insulation layer is provided with perisporium.
5. fast freeze-thaw according to claim 4 and unilateral freeze thawing integration test machine, it is characterised in that：In the heat-insulation layer
Filled with foamed cotton.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310737118.8A CN103698496B (en) | 2013-12-28 | 2013-12-28 | A kind of fast freeze-thaw and unilateral freeze thawing integration test machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310737118.8A CN103698496B (en) | 2013-12-28 | 2013-12-28 | A kind of fast freeze-thaw and unilateral freeze thawing integration test machine |
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| CN103698496B true CN103698496B (en) | 2018-03-30 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104458793A (en) * | 2014-12-19 | 2015-03-25 | 苏州市东华试验仪器有限公司 | Micro cooling capacity exchange type fast freezing-thawing testing machine |
| CN104458791A (en) * | 2014-12-19 | 2015-03-25 | 苏州市东华试验仪器有限公司 | Rapid freeze-thawing testing machine with good heat radiation effect |
| CN104502393A (en) * | 2014-12-19 | 2015-04-08 | 苏州市东华试验仪器有限公司 | Micro-cooling capacity exchange type freezing and thawing test machine |
| CN105628593A (en) * | 2015-12-21 | 2016-06-01 | 苏州市东华试验仪器有限公司 | Quick freeze-thaw box with balance flow guide pipe |
| CN111060539A (en) * | 2019-12-25 | 2020-04-24 | 浙江大学 | Device and method for testing electromagnetic wave reflectivity of flat plate material in freeze-thaw cycle |
| CN114324603B (en) * | 2021-12-30 | 2022-09-06 | 长安大学 | Rock degradation testing method based on filling joint wave impedance under action of freeze-thaw cycle |
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