CN218601199U

CN218601199U - High-temperature heat conduction instrument

Info

Publication number: CN218601199U
Application number: CN202222654895.3U
Authority: CN
Inventors: 赵决跃
Original assignee: Nanjing Gaote Electronic Technology Co ltd
Current assignee: Nanjing Gaote Electronic Technology Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-03-10
Anticipated expiration: 2032-10-10

Abstract

The utility model belongs to the technical field of high temperature heat conduction appearance equipment, especially, be a high temperature heat conduction appearance, including detecting the cabinet, it is provided with sealing door to detect the inside one side front end of cabinet, it is provided with the cold drawing board to detect the inside lower extreme of cabinet, back end parallel arrangement has two sets of clamp plates before the cold drawing board upper surface, it is provided with the spout to detect the inside one side of cabinet and be located the cold drawing board top, clamp plate one side is provided with the slider, it is provided with a servo motor to detect the cabinet top, a servo motor bottom is connected with transmission structure through the pivot, transmission structure both sides are run through and are provided with first two-way lead screw, the peripheral both sides of first two-way lead screw all are provided with first thread bush. The utility model is provided with the clamping plate, the second servo motor, the sliding block and the sliding groove, so that the test piece can be conveniently fixed; through setting up back of body protection heater, back of body protection heat insulation layer, measurement heating mechanism, protection heating mechanism, improved the accuracy that detects.

Description

High-temperature heat conduction instrument

Technical Field

The utility model relates to a high temperature heat conduction appearance technical field specifically is a high temperature heat conduction appearance.

Background

Thermal conductivity is an inherent property of a material and is an important parameter of an insulating material. In the rail transit industry, heat transfer is also involved, and accurate measurement of the heat conductivity coefficient is more important. The thermal conductivity is generally determined by an experimental method, and methods for measuring the thermal conductivity are classified into a steady-state method and an unsteady-state method. The heat flow method is a standard steady-state measurement method, is suitable for materials with longer measurement time, is widely applied to the fields of engineering, national defense and the like, and has the advantages of wide temperature range, wide measurement range, no need of calibrating a measurement unit and the like.

The prior art has the following defects or problems:

1. when the high-temperature heat conduction instrument in the current market works, a test piece is inconvenient to fix, inconvenient to operate and easy to clamp hands, so that potential safety hazards exist;

2. the high temperature heat conduction appearance on the existing market is carrying out the during operation, and the error is great, influences the accuracy of measurement.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a high temperature heat conduction appearance has solved the relatively poor scheduling problem of the accuracy of fixing and measuring the test piece of being not convenient for that exists now.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a high temperature heat conduction appearance, includes and detects the cabinet, it is provided with sealing door to detect the inside one side front end of cabinet, it is provided with the cold plate to detect the inside lower extreme of cabinet, the front and back end parallel arrangement of cold plate upper surface has two sets of clamping plates, it is provided with the spout to be located the cold drawing top to detect the inside one side of cabinet, clamping plate one side is provided with the slider, it is provided with first servo motor to detect the cabinet top, first servo motor bottom is connected with drive structure through the pivot, drive structure both sides are run through and are provided with first bidirectional screw rod, the peripheral both sides of first bidirectional screw rod all are provided with first thread bush, first thread bush bottom is provided with the bull stick, the bull stick bottom is provided with the hot plate main part, it is provided with the hot plate main part to detect the cabinet back, the cabinet back is provided with second servo motor, second servo motor front end is provided with the second bidirectional screw rod, the peripheral front and back end all is provided with the second thread bush, the hot plate main part includes the back protection heater, back of the heater lower surface is provided with the back protection heat insulation layer, back protection heat insulation layer both sides of the back protection lower surface all are provided with protection heating mechanism, be provided with measurement heating mechanism between two sets of protection mechanisms.

As a preferred technical scheme of the utility model, sealing door and detection cabinet sliding connection, sealing door openly is provided with observation window, cold drawing and detection cabinet fixed connection, pinch-off blades and cold drawing sliding connection.

As an optimal technical scheme of the utility model, first servo motor passes through spiral shell bolt fixed connection with the detection cabinet, the transmission structure includes two sets of spiral bevel gear, the fixed joint of first bidirectional screw and transmission structure.

As a preferred technical scheme of the utility model, first bidirectional screw passes through the bearing with the detection cabinet and rotates and be connected, first thread bush and first bidirectional screw threaded connection, the bull stick rotates with first thread bush to be connected, the bull stick rotates with the hot plate main part to be connected.

As an optimal technical scheme of the utility model, second servo motor passes through bolt fixed connection with the detection cabinet, the bidirectional lead screw of second and second servo motor fixed connection, the bidirectional lead screw of second rotates with the detection cabinet to be connected.

As a preferred technical scheme of the utility model, second thread bush and the bidirectional screw rod threaded connection of second, pinch-off blades and the fixed welding of second thread bush, slider and pinch-off blades fixed welding, slider and spout sliding connection.

As a preferred technical scheme of the utility model, measurement heating mechanism is centre gripping measurement heater constitution between two sets of measurement panels, protection heating mechanism is centre gripping protection heater constitution between two sets of protection panels.

Compared with the prior art, the utility model provides a high temperature heat conduction appearance possesses following beneficial effect:

1. this high temperature heat conduction appearance, through setting up the pinch-off blades, second servo motor, the slider, the spout, when using the heat conduction appearance, put the test piece between two sets of pinch-off blades, for the equipment circular telegram, start second servo motor, second servo motor drives the rotation of the bidirectional screw of second, it removes on the bidirectional screw of second to drive two sets of second thread bush, cooperation slider and spout, make two sets of pinch-off blades remove in opposite directions, it stops when waiting that pinch-off blade and test piece are hugged closely, the test piece is fixed at the cold plate upper surface this moment, the convenience is fixed the test piece.

2. This high temperature heat conduction appearance through setting up back of the body protection heater, back of the body protection heat insulation layer, measurement heating mechanism, protection heating mechanism, detects time measuring to the coefficient of heat conductivity of test piece, because of being provided with back of the body protection heater and back of the body protection heat insulation layer in the hot plate main part, can improve the stability of hot plate main part temperature, through setting up measurement heating mechanism and protection heating mechanism for the test piece surface is heated more evenly, has improved the accuracy that detects.

Drawings

Fig. 1 is a schematic view of the overall structure of a high-temperature heat conduction instrument of the present invention;

fig. 2 is a front sectional view of the high temperature heat conduction instrument of the present invention;

fig. 3 is a top cross-sectional view of the high temperature thermal conductivity instrument of the present invention;

fig. 4 is the whole schematic view of the hot plate main body of the high temperature heat conduction instrument of the present invention.

In the figure: 1. a detection cabinet; 2. a sealing door; 3. a cold plate; 4. a clamping plate; 5. a first servo motor; 6. a transmission structure; 7. a first bidirectional screw; 8. a first threaded sleeve; 9. a rotating rod; 10. a hot plate body; 11. a second servo motor; 12. a second bidirectional screw rod; 13. a second threaded sleeve; 14. a chute; 15. a slider; 16. a back protection heater; 17. a back protective heat insulation layer; 18. a metering heating mechanism; 19. and a protection heating mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, in this embodiment: a high-temperature heat conduction instrument comprises a detection cabinet 1, wherein a sealing door 2 is arranged at the front end of one side in the detection cabinet 1 to facilitate sealing of the detection cabinet 1, a cold plate 3 is arranged at the lower end in the detection cabinet 1, two groups of clamping plates 4 are arranged in parallel at the front and rear ends of the upper surface of the cold plate 3 to facilitate fixing of a test piece, a chute 14 is arranged at one side in the detection cabinet 1 above the cold plate 3, a slider 15 is arranged at one side of each clamping plate 4 to facilitate movement of the clamping plates 4, a first servo motor 5 is arranged at the top of the detection cabinet 1, the first servo motor 5 is of a TRWA25-S type to facilitate movement of a hot plate main body 10, a transmission structure 6 is connected to the bottom end of the first servo motor 5 through a rotating shaft to facilitate rotation of a first bidirectional screw rod 7, a first bidirectional screw rod 7 is arranged on two sides of the transmission structure 6 in a penetrating manner, first thread sleeves 8 are arranged on two peripheral sides of the first bidirectional screw rod 7, the bottom end of the first threaded sleeve 8 is provided with a rotating rod 9, the hot plate main body 10 is conveniently driven to move up and down, the bottom end of the rotating rod 9 is provided with a hot plate main body 10, the back of the detection cabinet 1 is provided with a second servo motor 11, the model of the second servo motor 11 is TRWA25-S, the clamping plate 4 is conveniently clamped, the front end of the second servo motor 11 is provided with a second bidirectional screw rod 12, the front end and the rear end of the periphery of the second bidirectional screw rod 12 are respectively provided with a second threaded sleeve 13, the hot plate main body 10 comprises a back protection heater 16, the lower surface of the back protection heater 16 is provided with a back protection heat insulation layer 17, both sides of the lower surface of the back protection heat insulation layer 17 are respectively provided with a protection heating mechanism 19, a metering heating mechanism 18 is arranged between the two groups of protection heating mechanisms 19, and the hot plate main body 10 can heat a test piece more uniformly.

In the embodiment, the sealing door 2 is slidably connected with the detection cabinet 1, the front surface of the sealing door 2 is provided with an observation window, the cold plate 3 is fixedly connected with the detection cabinet 1, and the clamping plate 4 is slidably connected with the cold plate 3, so that the detection cabinet 1 can be conveniently sealed, and a test piece can be conveniently fixed; the first servo motor 5 is fixedly connected with the detection cabinet 1 through a screw bolt, the transmission structure 6 comprises two groups of spiral bevel gears, and the first bidirectional screw rod 7 is fixedly clamped with the transmission structure 6 so as to facilitate the downward movement of the hot plate main body 10; the first bidirectional screw 7 is rotatably connected with the detection cabinet 1 through a bearing, the first thread bushing 8 is in threaded connection with the first bidirectional screw 7, the rotating rod 9 is rotatably connected with the first thread bushing 8, and the rotating rod 9 is rotatably connected with the hot plate main body 10, so that the hot plate main body 10 can conveniently move downwards; the second servo motor 11 is fixedly connected with the detection cabinet 1 through bolts, the second bidirectional screw rod 12 is fixedly connected with the second servo motor 11, and the second bidirectional screw rod 12 is rotatably connected with the detection cabinet 1, so that the two groups of clamping plates 4 can be conveniently fixed; the second threaded sleeve 13 is in threaded connection with the second bidirectional screw rod 12, the clamping plate 4 is fixedly welded with the second threaded sleeve 13, the sliding block 15 is fixedly welded with the clamping plate 4, and the sliding block 15 is in sliding connection with the sliding groove 14, so that the two groups of clamping plates 4 can move conveniently; the metering heating mechanism 18 is composed of a clamping metering heater between two groups of metering panels, and the protection heating mechanism 19 is composed of a clamping protection heater between two groups of protection panels, so that the test piece is heated more uniformly.

The utility model discloses a theory of operation and use flow: an operator places a test piece between two groups of clamping plates 4, the equipment is electrified, a second servo motor 11 is started, the second servo motor 11 drives a second bidirectional screw rod 12 to rotate, two groups of second thread sleeves 13 are driven to move on the second bidirectional screw rod 12, a sliding block 15 and a sliding groove 14 are matched, the two groups of clamping plates 4 move in opposite directions, the test piece stops when being attached to the test piece, the test piece is fixed on the upper surface of a cold plate 3, a sealing door 2 is closed, a first servo motor 5 is started, the first servo motor 5 drives a transmission structure 6 to work through a rotating shaft, the transmission structure 6 drives a first bidirectional screw rod 7 to rotate, a first thread sleeve 8 is driven to move on a first bidirectional screw rod 7, a rotating rod 9 is matched to drive a hot plate main body 10 to move downwards, the test piece stops when being attached to the lower surface of the hot plate main body 10, the heat conductivity coefficient of the test piece can be detected through the hot plate main body 10, a back protection heater 16 and a hot plate protection heat insulation layer 17 are arranged on the hot plate main body 10, the temperature stability of the main body 10 can be improved, and the temperature stability of the test piece surface is more uniform by arranging a metering heating mechanism 18 and a protection heating mechanism 19.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high temperature heat conduction appearance, includes detection cabinet (1), its characterized in that: the detection cabinet is characterized in that a sealing door (2) is arranged at the front end of one side inside the detection cabinet (1), a cold plate (3) is arranged at the lower end inside the detection cabinet (1), two groups of clamping plates (4) are arranged in parallel at the front and rear ends of the upper surface of the cold plate (3), a sliding chute (14) is arranged at one side inside the detection cabinet (1) and above the cold plate (3), a sliding block (15) is arranged at one side of each clamping plate (4), a first servo motor (5) is arranged at the top of the detection cabinet (1), the bottom end of the first servo motor (5) is connected with a transmission structure (6) through a rotating shaft, a first bidirectional screw rod (7) is arranged at two sides of the transmission structure (6) in a penetrating manner, first threaded sleeves (8) are arranged at two peripheral sides of the first bidirectional screw rod (7), a rotating rod (9) is arranged at the bottom end of the first threaded sleeve (8), a hot plate main body (10) is arranged at the bottom end of the rotating rod (9), a second servo motor (11) is arranged at the back of the detection cabinet (1), a second servo motor (11) is provided with a protective heat-insulating layer (16) at the front end of the second bidirectional screw rod (11), and a protective lead screw rod (13) is arranged at the rear end of the second servo motor (12), and both sides of the lower surface of the back protection heat insulation layer (17) are provided with protection heating mechanisms (19), and a metering heating mechanism (18) is arranged between the two protection heating mechanisms (19).

2. A high temperature thermal conductivity meter according to claim 1, wherein: sealing door (2) and detection cabinet (1) sliding connection, sealing door (2) openly are provided with the observation window, cold drawing (3) and detection cabinet (1) fixed connection, pinch-off blades (4) and cold drawing (3) sliding connection.

3. A high temperature thermal conductivity meter according to claim 1, wherein: the first servo motor (5) is fixedly connected with the detection cabinet (1) through a screw bolt, the transmission structure (6) comprises two groups of spiral bevel gears, and the first bidirectional screw rod (7) is fixedly clamped with the transmission structure (6).

4. A high temperature thermal conductivity apparatus according to claim 1, wherein: the hot plate is characterized in that the first bidirectional screw rod (7) is rotatably connected with the detection cabinet (1) through a bearing, the first threaded sleeve (8) is in threaded connection with the first bidirectional screw rod (7), the rotating rod (9) is rotatably connected with the first threaded sleeve (8), and the rotating rod (9) is rotatably connected with the hot plate main body (10).

5. A high temperature thermal conductivity meter according to claim 1, wherein: the second servo motor (11) is fixedly connected with the detection cabinet (1) through a bolt, the second bidirectional screw rod (12) is fixedly connected with the second servo motor (11), and the second bidirectional screw rod (12) is rotatably connected with the detection cabinet (1).

6. A high temperature thermal conductivity meter according to claim 1, wherein: the second threaded sleeve (13) is in threaded connection with the second bidirectional screw rod (12), the clamping plate (4) is fixedly welded with the second threaded sleeve (13), the sliding block (15) is fixedly welded with the clamping plate (4), and the sliding block (15) is in sliding connection with the sliding groove (14).

7. A high temperature thermal conductivity meter according to claim 1, wherein: the metering heating mechanism (18) is formed by clamping a metering heater between two groups of metering panels, and the protection heating mechanism (19) is formed by clamping a protection heater between two groups of protection panels.