Differential scanning calorimetry device

Abstract

The utility model relates to the technical field of testing, in particular to a differential scanning calorimeter which comprises a differential scanning calorimeter, a heating assembly, a display screen and ground feet, the display screen is arranged on one side of the front face of the differential scanning calorimeter, and the ground feet are connected to the positions, close to the four corners, of the lower end of the differential scanning calorimeter. One side, far away from the display screen, of the upper end of the differential scanning calorimeter is connected with a heating assembly, and the heating assembly is composed of a heat insulation cover, a heat insulation sleeve, a handle, a first inner cover, a second inner cover, an inner furnace, an outer furnace, a heat insulation tank, a sealing ring, a heating ring, a sample holder, a soaking block, a sample box and a temperature difference sensor.

Description

TECHNICAL FIELD

[0001] The utility model relates to test technical field, concretely is a differential scanning calorimeter. BACKGROUND

[0002] The heating structure of differential scanning calorimeter is mostly open structure for conveniently placing sample cover body, influences the heat preservation of whole, and integral furnace body needs to be replaced as a whole when being damaged, and the loss is higher.

[0003] Therefore, it is necessary to design a differential scanning calorimeter to solve the problems in the above background technology. CONTENT OF THE UTILITY MODEL

[0004] The utility model relates to test technical field, concretely is a differential scanning calorimeter.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A differential scanning calorimeter, including differential scanning calorimeter, heating assembly, display screen and foot, the differential scanning calorimeter front side is equipped with display screen, the differential scanning calorimeter lower end is close to the four corners and is connected with foot, the differential scanning calorimeter upper end is connected with heating assembly away from the side of display screen;

[0007] The heating assembly is composed of heat insulating cover, heat insulating sleeve, handle, first inner cover, second inner cover, inner furnace, outer furnace, heat insulating jar, sealing ring, heating ring, sample holder, heat block, sample box and temperature difference sensor, and the heat insulating jar is connected with the outer furnace, the outer furnace inner wall is equipped with heating ring, the outer furnace is equipped with heat block, the heat block is connected with the inner furnace, the inner furnace is equipped with sample holder, the sample holder upper end is equipped with multiple temperature difference sensors, the temperature difference sensor upper end is equipped with sample box, the inner furnace upper end is connected with first inner cover, the inner furnace upper part is connected with second inner cover, the outer furnace upper part is connected with heat insulating cover, the heat insulating cover and heat insulating jar are equipped with sealing ring, the heat insulating cover, first inner cover and second inner cover upper end middle part are all equipped with handle, and the handle outer part is equipped with heat insulating sleeve.

[0008] As the preferred scheme of the utility model, the outer furnace and the inner furnace upper end are all equipped with limiting groove.

[0009] As the preferred scheme of the utility model, the heat insulating cover and the outer furnace, heat insulating jar are connected through plug-in connection, and the sealing ring and the heat insulating cover are connected through sleeve connection.

[0010] As the preferred scheme of the utility model, the first inner cover, second inner cover and inner furnace are connected through sleeve connection.

[0011] As the preferred scheme of the utility model, the inner furnace and the heat equalizing block are connected through sleeve joint.

[0012] As the preferred scheme of the utility model, the heat insulation sleeve and the handle are connected through sleeve joint.

[0013] As the preferred scheme of the utility model, the heating ring and the heat equalizing block are connected through sleeve joint.

[0014] As the preferred scheme of the utility model, the sample box, the temperature difference sensor and the sample rack are connected through sleeve joint.

[0015] As the preferred scheme of the utility model, the foot and the differential scanning calorimeter are connected through screw thread.

[0016] In summary, the technical effect and the advantage of the utility model are as follows: the differential scanning calorimeter device, when using, the sample is placed in the sample box, then the second inner cover, the first inner cover and the heat insulation cover are covered in turn, through the multiple cover body arrangement and the overall heat insulation structure of the heat insulation cover and the heat insulation tank, the heat preservation of the overall is improved, and the open cover body structure is convenient for placing the sample, the overall is the combined structure, convenient for assembling and replacing the parts in the later period, and reduces the loss. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structural drawing of the utility model;

[0018] Figure 2 It is the split structure drawing of the heating assembly of the utility model;

[0019] Figure 3 It is the cross section structure drawing of the heating assembly of the utility model.

[0020] In the drawing: 1, differential scanning calorimeter; 2, heating assembly; 201, heat insulation cover; 202, heat insulation sleeve; 203, handle; 204, first inner cover; 205, second inner cover; 206, inner furnace; 207, outer furnace; 208, heat insulation tank; 209, sealing ring; 210, heating ring; 211, sample rack; 212, heat equalizing block; 213, sample box; 214, temperature difference sensor; 3, display screen; 4, foot. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments.

[0022] REFERENCE Figures 1-3The utility model provides a differential scanning calorimeter device, including differential scanning calorimeter 1, heating assembly 2, display screen 3 and footing 4, differential scanning calorimeter 1 front side is equipped with display screen 3, differential scanning calorimeter 1 lower end is close to the four corners and is connected with footing 4, differential scanning calorimeter 1 upper end is connected with heating assembly 2 in the side away from display screen 3, heating assembly 2 is by heat -insulating cover 201, heat -insulating cover 202, handle 203, first inner lid 204, second inner lid 205, inner furnace 206, outer furnace 207, heat -insulating jar 208, sealing ring 209, heating ring 210, sample holder 211, heat block 212, sample box 213 and temperature difference sensor 214 are connected, and heat -insulating jar 208 is connected with outer furnace 207 in the inside, and outer furnace 207 inner wall is equipped with heating ring 210, and outer furnace 207 is equipped with heat block 212 in the inside, and heat block 212 is connected with inner furnace 206 in the inside, and inner furnace 206 is equipped with sample holder 211, and sample holder 211 upper end is equipped with multiple temperature difference sensors 214, and temperature difference sensor 214 upper end is equipped with sample box 213, and inner furnace 206 upper end is connected with first inner lid 204, and inner furnace 206 upper part is connected with second inner lid 205, and outer furnace 207 outside upper part is connected with heat -insulating cover 201, and heat -insulating cover 201's upper part and heat -insulating jar 208 are equipped with sealing ring 209, and heat -insulating cover 201, first inner lid 204 and second inner lid 205 upper end middle part are equipped with handle 203, and handle 203 outside is equipped with heat -insulating cover 202.

[0023] Refer to Figure 1 , Figure 2 and Figure 3 The heating structure of the differential scanning calorimeter device is mostly open structure for conveniently placing the sample cover body, which affects the overall heat preservation, and the integral furnace body needs to be replaced as a whole when damaged, which has high loss. The upper end of the outer furnace 207 and the inner furnace 206 is provided with a limiting groove. The heat -insulating cover 201 and the outer furnace 207 and the heat -insulating jar 208 are connected through plug-in connection. The sealing ring 209 and the heat -insulating cover 201 are connected through sleeve connection. The first inner lid 204, the second inner lid 205 and the inner furnace 206 are connected through sleeve connection. The inner furnace 206 and the heat block 212 are connected through sleeve connection. The heat -insulating cover 202 and the handle 203 are connected through sleeve connection. The heating ring 210 and the heat block 212 are connected through sleeve connection. The sample box 213, the temperature difference sensor 214 and the sample holder 211 are connected through sleeve connection. When in use, the sample is placed in the sample box 213, and then the second inner lid 205, the first inner lid 204 and the heat -insulating cover 201 are covered in turn. Through the multiple cover body setting and the overall heat -insulating structure composed of the heat -insulating cover 201 and the heat -insulating jar 208, the overall heat preservation is improved. The open cover body structure makes it more convenient to place the sample. The whole is a combined structure, which is convenient for assembly and replacement of parts in later period and reduces loss.

[0024] Refer to Figure 1The foot 4 is connected with the differential scanning calorimeter 1 through screwing, the temperature is controlled on the display screen 3 of the differential scanning calorimeter 1 through a program, the relationship between the power difference input to the sample and the reference substance and the temperature is measured, the rate of sample endothermic or exothermic, i.e. the heat flow rate dH / dt (unit: millijoule / second) is taken as the ordinate, and the temperature T or the time t is taken as the abscissa, various thermodynamic and kinetic parameters can be determined, and when the whole is used, the whole level of the differential scanning calorimeter 1 can be adjusted by rotating the foot 4, so that the sample is conveniently placed.

[0025] Working principle: limit grooves are formed in the upper ends of the outer furnace 207 and the inner furnace 206 of the differential scanning calorimeter device, the heat insulation cover 201 is connected with the outer furnace 207 and the heat insulation tank 208 through plug-in connection, the sealing ring 209 is connected with the heat insulation cover 201 through sleeve connection, the first inner cover 204, the second inner cover 205 and the inner furnace 206 are connected through sleeve connection, the inner furnace 206 and the heat block 212 are connected through sleeve connection, the heat insulation sleeve 202 and the handle 203 are connected through sleeve connection, the heating ring 210 and the heat block 212 are connected through sleeve connection, the sample box 213, the temperature difference sensor 214 and the sample holder 211 are connected through sleeve connection, when in use, the sample is placed in the sample box 213, then the second inner cover 205, the first inner cover 204 and the heat insulation cover 201 are sequentially covered, the heat insulation property of the whole is improved through the heat insulation structure of the multiple cover bodies and the whole of the heat insulation cover 201 and the heat insulation tank 208, the open cover body structure is convenient for placing the sample, the whole is a combined structure, convenient for assembling and replacing parts in the later period, reduces the loss, the foot 4 is connected with the differential scanning calorimeter 1 through screwing, the temperature is controlled on the display screen 3 of the differential scanning calorimeter 1 through a program, the relationship between the power difference input to the sample and the reference substance and the temperature is measured, the rate of sample endothermic or exothermic, i.e. the heat flow rate dH / dt (unit: millijoule / second) is taken as the ordinate, and the temperature T or the time t is taken as the abscissa, various thermodynamic and kinetic parameters can be determined, and when the whole is used, the whole level of the differential scanning calorimeter 1 can be adjusted by rotating the foot 4, so that the sample is conveniently placed.

[0026] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A differential scanning calorimeter apparatus comprising a differential scanning calorimeter (1), a heating assembly (2), a display screen (3) and a foot (4), characterised in that: The differential scanning calorimeter (1) is provided with a display screen (3) on the front side, and the lower end of the differential scanning calorimeter (1) is connected with a foot (4) near the four corners, and the upper end of the differential scanning calorimeter (1) is connected with a heating assembly (2) away from the display screen (3). The heating assembly (2) is composed of an insulating cover (201), an insulating sleeve (202), a handle (203), a first inner cover (204), a second inner cover (205), an inner furnace (206), an outer furnace (207), an insulating pot (208), a sealing ring (209), a heating ring (210), a sample holder (211), a heat block (212), a sample box (213) and a temperature difference sensor (214), and the inner part of the insulating pot (208) is connected with the outer furnace (207), the inner wall of the outer furnace (207) is provided with the heating ring (210), the inner part of the outer furnace (207) is provided with the heat block (212), the inner part of the heat block (212) is connected with the inner furnace (206), the inner furnace (206) is provided with the sample holder (211), the upper end of the sample holder (211) is provided with a plurality of temperature difference sensors (214), the upper end of the temperature difference sensor (214) is provided with the sample box (213), the upper end of the inner furnace (206) is connected with the first inner cover (204), the upper part of the outer furnace (207) is connected with the insulating cover (201), the upper part of the insulating cover (201) and the insulating pot (208) are provided with the sealing ring (209), the upper end of the insulating cover (201), the first inner cover (204) and the second inner cover (205) is provided with the handle (203), and the outer part of the handle (203) is provided with the insulating sleeve (202).

2. A differential scanning calorimeter according to claim 1, wherein: The upper end of the outer furnace (207) and the inner furnace (206) is provided with a limiting groove.

3. A differential scanning calorimeter as defined in claim 1, wherein: The insulating cover (201) and the outer furnace (207) and the insulating pot (208) are connected through plug-in connection, and the sealing ring (209) and the insulating cover (201) are connected through sleeve connection.

4. A differential scanning calorimeter as defined in claim 1, wherein: The first inner cover (204), the second inner cover (205) and the inner furnace (206) are connected through sleeve connection.

5. A differential scanning calorimeter as defined in claim 1, wherein: The inner furnace (206) and the heat block (212) are connected through sleeve connection.

6. A differential scanning calorimeter according to claim 1, wherein: The insulating sleeve (202) and the handle (203) are connected through sleeve connection.

7. A differential scanning calorimeter as defined in claim 1, wherein: The heating ring (210) and the heat block (212) are connected through sleeve connection.

8. A differential scanning calorimeter according to claim 1, wherein: The sample box (213), the temperature difference sensor (214) and the sample holder (211) are connected through sleeve connection.

9. A differential scanning calorimeter according to claim 1, wherein: The foot (4) and the differential scanning calorimeter (1) are connected through screw thread connection.

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