CN218180732U - But height-adjusting's concrete temperature rise measuring device - Google Patents

Abstract

The utility model discloses a but height-adjusting's concrete temperature rise measuring device belongs to concrete temperature test technical field, including proof box, metal inside lining bucket, metal sleeve, temperature sensor and temperature acquisition device, be equipped with in the proof box metal inside lining bucket, metal sleeve inserts in the metal inside lining bucket, metal sleeve is filled by last under to in proper order has thermal insulation material, conduction oil and thermal insulation material, temperature sensor one end is connected temperature acquisition device, one end inserts in the conduction oil. The utility model discloses in inserting the metal lining bucket that is equipped with the ready-mixed experiment concrete with metal sleeve, through putting into the thermal insulation material of the different degree of depth in the metal sleeve, can adjust the height of the fiber container that is equipped with temperature sensor in metal sleeve, realize measuring the concrete internal temperature of co-altitude not, the temperature change condition of the inside different positions of concrete can be reflected to its temperature rise curve.

Description

But height-adjusting's concrete temperature rise measuring device

Technical Field

The utility model relates to a concrete temperature test technical field, concretely relates to but height-adjusting's concrete temperature rise measuring device.

Background

With the continuous development of science and technology, the performance requirements of modern engineering on concrete are higher and higher, and the problems caused by cement hydration heat are more and more emphasized by people. The concrete hydration heat measuring device is an important device for measuring the hydration heat of any cement hydration age. At present, the concrete temperature rise detector in China can only measure the position of a fixed point when measuring the temperature of concrete, cannot flexibly adjust the measurement point position, and has certain limitation.

The existing Chinese patent CN201720581017.X concrete heat insulation temperature rise test device comprises a heat insulation test box, a sample cylinder, a sample temperature sensor, an ambient temperature sensor and an instrument controller, wherein the device measures the temperature change of a central area through a sensor embedded in the center of the detected concrete and uses water to regulate and control the ambient temperature. However, the temperature change of the central area is only measured in the experiment of the device, and the temperature change of all the areas is difficult to completely reflect.

Present chinese patent CN201721407025.9 adiabatic temperature rise test of concrete appearance, the power distribution box comprises a box body, the positive upper end of box is equipped with the digital display screen, the lower extreme is equipped with a plurality of function button, digital display screen and function button are connected with control center, still be equipped with temperature-sensing ware in the box, temperature-sensing ware is connected with control center, the inner wall of box is equipped with the heat preservation, the heat preservation includes main part and silica gel stationary plane, the main part is vertical setting and the flute profile of opening to the box, be equipped with the silica gel stationary plane between main part and the box, be equipped with the aspirating hole in the main part, the one side of keeping away from the box in the main part is equipped with sealed lid, sealed lid is established in the position of aspirating hole. The device can not realize the detection of the concrete temperature data of different heights.

Disclosure of Invention

For overcoming the deficiencies of the prior art, an object of the utility model is to provide a but height-adjusting's temperature rise measuring device.

The utility model discloses a following technical scheme realizes:

the utility model provides a but height-adjusting's concrete temperature rise measuring device, includes test box, metal inside lining bucket, metal sleeve, temperature sensor and temperature acquisition device, be equipped with in the test box the metal inside lining bucket, metal sleeve inserts in the metal inside lining bucket, metal sleeve is filled in proper order by last to lower has thermal insulation material, conduction oil and thermal insulation material, temperature sensor one end is connected temperature acquisition device, and one end inserts in the conduction oil.

The metal sleeve is made of metal materials with good heat transfer performance, the metal sleeve is inserted into a metal lining barrel filled with mixed experimental concrete, heat insulation materials with different depths are placed at the lower part of the metal sleeve, the height of a temperature sensor inserted into heat conduction oil in the metal sleeve can be adjusted, the internal temperature of the concrete with different heights can be measured, and the temperature change conditions of different positions in the concrete can be reflected by a temperature rise curve.

Preferably, the metal sleeve is a tubular body with an open upper section and a closed lower section. The upper section is uncovered and can guarantee measurement accuracy with better contact of proof box internal environment.

Preferably, a paper tube is arranged in the metal sleeve. The paper tube separates the heat conduction oil from the heat insulation material, so that the heat conduction oil and the heat insulation material are not mixed with each other, and the paper tube can be used for repeatedly testing the temperature of concrete and can be repeatedly used.

Preferably, the diameter of the paper tube is smaller than the inner diameter of the metal sleeve. The size of the paper tube is slightly smaller than that of the metal sleeve, so that the paper tube can be conveniently taken out and put into the metal lining barrel.

Preferably, the middle of the paper tube is filled with the heat conduction oil. The heat conducting oil in the paper tube can ensure that the heat of the concrete is transmitted to the temperature sensor, and the purpose of accurately measuring the temperature of the concrete is achieved.

Preferably, a buckle is arranged at an opening at the upper part of the paper tube. The buckle and the paper tube achieve a sealing effect together, the heat conduction oil and the heat insulation materials are separated, the heat conduction oil and the heat insulation materials are not in contact with each other, the heat insulation materials are filled above the buckle and below the paper tube, the influence of the concrete temperature of other positions on an experimental result is prevented, and the concrete temperature can be further accurately measured.

Preferably, the buckle is clamped with the lower section of the temperature sensor. The clamping connection device enables the temperature sensor to be positioned in the paper tube, the lower section of the temperature sensor is always positioned in the heat conduction oil, and the temperature sensor and the temperature acquisition device monitor the temperature change of the concrete in real time.

Preferably, scale marks are arranged in the metal lining barrel. The scale marks can ensure that the volume of the detected concrete filled into the metal lining barrel is the same every time.

To sum up, the utility model discloses possess following beneficial effect:

1. the utility model discloses an add in metal sleeve and require required thermal insulation material according to the experiment, can freely adjust the height of measuring point, compare in traditional experiment, the reaction that can be more nimble is detected the temperature variation of the inside different positions of concrete, and data are more representative.

2. The utility model discloses an in metal sleeve, add thermal insulation material in fiber container lower part and buckle upper portion for the measuring point is in the within range that can control wantonly, compares in traditional experiment, and measuring range is littleer, more can reflect the temperature variation condition of actual measuring point.

3. The utility model discloses used thermal insulation material repeatedly usable, the conduction oil that consumes simultaneously at every turn compares in traditional experiment still less, practices thrift the cost more.

4. The utility model discloses used conduction oil is not direct and the air contact, avoids conduction oil and air to take place oxidation reaction, causes the deterioration of conduction oil rotten, and the measurement process is accurate stable more.

Drawings

FIG. 1 is a schematic structural view of a concrete temperature rise test apparatus according to example 1;

FIG. 2 is a graph showing the results of detection in application example 1;

fig. 3 is a diagram showing the detection results of application example 2.

Fig. 4 is a diagram showing the detection results of application example 3.

Labeled in the figure as: 1. a test chamber; 2. a metal lined drum; 3. a metal sleeve; 4. a temperature sensor; 5. a thermal insulation material; 6. a paper tube; 7. buckling; 8. heat conducting oil; 9. a temperature acquisition device.

Detailed Description

The technical solutions of the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

Example 1

As shown in fig. 1, the embodiment provides a height-adjustable concrete temperature rise measuring device, which includes a test box 1, a metal lining barrel 2, a metal sleeve 3, a temperature sensor 4 and a temperature collecting device 9, wherein the metal lining barrel 2 is arranged in the test box 1, the metal sleeve 3 is inserted into the metal lining barrel 2, the metal sleeve 3 is sequentially filled with a heat insulating material 5, heat conducting oil 8 and a heat insulating material 5 from top to bottom, one end of the temperature sensor 4 is connected with the temperature collecting device 9, and the other end is inserted into the heat conducting oil 8. More specifically, the temperature sensor 9 is a PT100 temperature sensor.

The metal sleeve 3 is a tubular body with an open upper section and a closed lower section.

A paper tube 6 is arranged in the metal sleeve 3.

The diameter of the paper tube 6 is smaller than the inner diameter of the metal sleeve 3.

The middle of the paper tube 6 is filled with the heat conduction oil 8.

A buckle 7 is arranged at an opening at the upper part of the paper tube 6.

The buckle 7 is connected with the lower section of the temperature sensor 4 in a clamping manner.

And scale marks are arranged in the metal lining barrel 2.

The size of the paper tube 6 is slightly smaller than that of the metal sleeve 3, and the paper tube can be placed into the metal sleeve 3; the paper tube 6 is filled with the heat conduction oil 8, so that the heat of concrete is transmitted to the temperature sensor 4, the lower part of the paper tube 6 and the upper part of the buckle 7 are filled with the heat insulation material 5, and the influence of the concrete temperature at other positions on the experimental result is prevented; metal sleeve 3 inserts and is equipped with and is detected the concrete in the metal inside lining bucket 2, temperature sensor 4 has buckle 7 can be in location, sealed in the fiber container 6, temperature sensor 4 one end is connected temperature acquisition device 9, one end is put into and is had the fiber container 6 in the metal sleeve 3, the real-time supervision concrete temperature variation, through put into the different degree of depth in the metal sleeve 3 thermal insulation material 5 can be adjusted and is equipped with temperature sensor 4 the fiber container 6 is in height in the metal sleeve 3 realizes measuring the inside temperature of different high concrete, and its temperature rise curve can reflect the temperature variation condition of the inside different positions of concrete.

Application example 1

The concrete temperature rise test device in the embodiment 1 is applied to monitoring the change condition of the concrete temperature, and the operation steps are as follows: the concrete formulation is shown in table 1, and the adding mode is as follows: the gelled material, the admixture and the coarse and fine aggregate are stirred firstly, then water is slowly added, the flowing state of the gelled material, the admixture and the coarse and fine aggregate is observed, the stirring time is not less than 150 seconds, and the concrete slump is controlled within 200 +/-20 mm. The concrete is filled into a metal lining barrel of 50L, the metal lining barrel is moved into a test box, a metal sleeve with a PT100 temperature sensor placed in advance is inserted into the metal lining barrel, heat insulation materials of different depths are placed into the bottom of the metal sleeve, the height of a paper tube with the temperature sensor in the metal sleeve is adjusted, the temperature change of the central part of the concrete is measured, and the detection result is shown in figure 2.

TABLE 1 concrete proportioning table

Application example 2

Taking the concrete temperature rise test device in the embodiment 1 as an example, the concrete temperature rise test device is applied to monitoring the change condition of the concrete temperature, the mixing proportion of the concrete is the same as that of the application example 1, the temperature change of the upper layer of the concrete is measured according to the same experimental method, and the detection result is shown in fig. 3.

Application example 3

Taking the concrete temperature rise test device in the embodiment 1 as an example, the concrete temperature rise test device is applied to monitoring the change condition of the concrete temperature, the mixing proportion of the concrete is the same as that in the application example 1, the temperature change of the lower layer of the concrete is measured according to the same experimental method, and the detection result is shown in fig. 4.

The above description is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or replacements easily conceivable by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. The height-adjustable concrete temperature rise measuring device is characterized by comprising a test box, a metal lining barrel, a metal sleeve, a temperature sensor and a temperature collecting device, wherein the metal lining barrel is arranged in the test box and inserted into the metal lining barrel, the metal sleeve is sequentially filled with heat insulating materials, heat conducting oil and heat insulating materials from top to bottom, one end of the temperature sensor is connected with the temperature collecting device, and the other end of the temperature sensor is inserted into the heat conducting oil.

2. The concrete temperature rise measuring device with adjustable height of claim 1, wherein the metal sleeve is a tubular body with an open upper section and a closed lower section.

3. The adjustable height concrete temperature rise measuring device of claim 1 wherein a paper cylinder is disposed within the metal sleeve.

4. The adjustable height concrete temperature rise measuring device of claim 3 wherein the paper sleeve diameter is less than the inner diameter of the metal sleeve.

5. The height-adjustable concrete temperature rise measuring device according to claim 3, wherein the heat conducting oil is filled in the middle of the paper tube.

6. The concrete temperature rise measuring device with adjustable height of claim 3, wherein a buckle is arranged at the upper opening of the paper tube.

7. The height-adjustable concrete temperature rise measuring device according to claim 6, wherein the fastener is fastened to the lower section of the temperature sensor.

8. The height-adjustable concrete temperature rise measuring device according to claim 1, wherein scale marks are arranged in the metal lining barrel.

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