Instrument internal heating device for hot wire

Abstract

The utility model discloses an instrument internal heating device for a hot wire, which comprises a main body assembly, and the main body assembly comprises a heating ring, a first groove, a second groove, a heat-resistant wire, a supporting block, a connecting block, a mounting hole, a temperature sensor, a limiting plate, a through hole and a fixing bolt. The electric heating wire is arranged in the heating ring made of the aluminum oxide material, and the first groove and the second groove are formed in the outer side wall and the bottom of the heating ring, so that the heating device can uniformly heat the internal environment of an instrument, non-uniform heating is prevented, and meanwhile, the temperature sensor is arranged in the supporting block made of the quartz material, so that the temperature sensor is more uniform. The influence of the environment on the temperature sensor is reduced, and the accuracy of a measurement result is improved; by arranging the connecting plates and the threaded holes outside the outer side wall of the supporting sleeve, the heating device can be conveniently fixed through bolts, by arranging the supports and the hanging rings, the heating device can be conveniently and temporarily fixed and hung, and therefore workers can conveniently install the heating device.

Description

Technical field:

[0001] The utility model relates to a heating device, in particular to an internal heating device of a hot wire instrument, belonging to the technical field of hot wire heating devices. Background technology:

[0002] The hot wire heating device is a device that uses electric heating wire to generate heat. The electric heating wire uses the principle of thermal effect of electric current, that is, when the current passes through the resistor, the current does work and consumes electrical energy, thereby generating heat. The electric heating wire should have an appropriate resistivity to achieve the purpose of heating by electricity. The advantages of the hot wire heating device include rapid heating, high thermal efficiency, healthy and environmentally friendly, no glue bonding, and ultra-long durability. It is an efficient and practical heating device, widely used in various occasions that require heating.

[0003] When a hot wire heating device is used to heat the inside of an instrument, a resistance wire heating is usually used to heat the environment and a bare chip thermal resistor is used to monitor the temperature. This method will cause uneven heating inside the instrument, the temperature sensor is easily affected and difficult to stabilize, and the measurement result is not accurate enough. At the same time, the existing hot wire heating device is inconvenient to install. Therefore, an internal heating device of a hot wire instrument is proposed. Utility model content:

[0004] The utility model aims to provide an internal heating device of a hot wire instrument to solve one of the problems raised in the above background technology.

[0005] The utility model is implemented by the following technical solutions: an instrument internal heating device of a hot wire, comprising a main body component, the main body component comprising a heating ring, a first groove, a second groove, a heat-resistant wire, a support block, a connecting block, a mounting hole, a temperature sensor, a limit plate, a through hole and a fixing bolt;

[0006] The heating ring is evenly installed with electric heating wires, the outer wall of the heating ring is evenly provided with a first groove, the bottom of the heating ring is evenly provided with a second groove, the outer wall of the heating ring is installed with a heat-resistant wire, the heat-resistant wire is electrically connected to the heating wire, a support block is provided inside the heating ring, the support block is fixedly connected to the heating ring through a connecting block, a mounting hole is provided at the bottom of the support block, a temperature sensor is installed on the inner wall of the mounting hole, the limit plate is fixedly connected to the bottom of the support block by a fixing bolt, and a through hole is provided at the bottom of the limit plate;

[0007] A supporting component is arranged on the top of the main body component.

[0008] As a further preferred embodiment of the present technical solution: the support assembly comprises a support sleeve and a support column, the top of the heating ring is fixedly connected with the support sleeve, and the inner side wall of the support sleeve is fixedly connected with the support column.

[0009] As a further preferred embodiment of the present technical solution: the support column is fixedly connected to the top of the support block.

[0010] As a further preferred embodiment of the present technical solution: the outer side wall of the support sleeve is symmetrically and fixedly connected with two connecting plates.

[0011] As a further preferred embodiment of the present technical solution: a threaded hole is provided on the upper surface of the connecting plate.

[0012] As a further preferred embodiment of the present technical solution: the outer side wall of the support sleeve is symmetrically fixedly connected with two supports.

[0013] As a further preferred embodiment of the present technical solution: the inner side wall of the support is rotatably connected with a hanging ring.

[0014] As a further preferred embodiment of the present technical solution: the limiting plate is arranged at the bottom of the temperature sensor.

[0015] Advantages of the utility model:

[0016] 1. The utility model arranges the heating wire inside the heating ring of alumina material, and opens the first groove and the second groove on the outer wall and the bottom of the heating ring, so that the heating device can evenly heat the internal environment of the instrument to prevent uneven heating. At the same time, the temperature sensor is arranged inside the supporting block of quartz material to reduce the influence of the environment on the temperature sensor and improve the accuracy of the measurement result.

[0017] 2. The utility model provides a connecting plate and a threaded hole on the outside of the outer side wall of the support sleeve to facilitate fixing the heating device by bolts, and provides a support and a hanging ring to facilitate temporary fixing and hanging of the heating device, thereby facilitating the installation of the heating device by the staff. Description of the drawings:

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a structural schematic diagram of the utility model from one perspective;

[0020] Figure 2 This is a structural schematic diagram of another viewing angle of the utility model;

[0021] Figure 3 This is a schematic diagram of the limit plate structure of the utility model;

[0022] Figure 4 It is a schematic diagram of the internal structure of the mounting hole of the utility model.

[0023] In the figure: 10, main body assembly; 11, heating ring; 12, first groove; 13, second groove; 14, heat-resistant wire; 15, support block; 16, connecting block; 17, mounting hole; 18, temperature sensor; 19, limit plate; 110, through hole; 111, fixing bolt; 20, support assembly; 21, support sleeve; 22, support column; 23, connecting plate; 24, threaded hole; 25, support; 26, hanging ring. Specific implementation method:

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example

[0026] See also Figure 1-4 The utility model provides a technical solution: an internal heating device of a hot wire instrument, comprising a main body component 10, the main body component 10 comprising a heating ring 11, a first groove 12, a second groove 13, a heat-resistant wire 14, a support block 15, a connecting block 16, a mounting hole 17, a temperature sensor 18, a limit plate 19, a through hole 110 and a fixing bolt 111;

[0027] The heating wire is evenly installed inside the heating ring 11, the outer wall of the heating ring 11 is evenly provided with a first groove 12, the bottom of the heating ring 11 is evenly provided with a second groove 13, the outer wall of the heating ring 11 is provided with a heat-resistant wire 14, the heat-resistant wire 14 is electrically connected to the heating wire, a support block 15 is provided inside the heating ring 11, the support block 15 is fixedly connected to the heating ring 11 through a connecting block 16, a mounting hole 17 is provided at the bottom of the support block 15, a temperature sensor 18 is installed on the inner wall of the mounting hole 17, and a limit plate 19 is fixedly connected to the bottom of the support block 15 through a fixing bolt 111 A through hole 110 is provided at the bottom of the limit plate 19, and the internal environment of the instrument is heated by the electric heating wire arranged inside the heating ring 11 of the alumina material. The first groove 12 and the second groove 13 are provided on the outer wall and the bottom of the heating ring 11 to increase the heat exchange area, so that the heating device can evenly heat the internal environment of the instrument to prevent uneven heating. The ambient temperature is detected by the temperature sensor 18 arranged inside the support block 15 of the quartz material, and the internal temperature sensor 18 is protected by the support block 15, so as to reduce the influence of the environment on the temperature sensor 18 and improve the accuracy of the measurement result;

[0028] A support assembly 20 is disposed on the top of the main assembly 10 .

[0029] In this embodiment, specifically: the support assembly 20 includes a support sleeve 21 and a support column 22, the top of the heating ring 11 is fixedly connected to the support sleeve 21, the inner wall of the support sleeve 21 is fixedly connected to the support column 22, the support column 22 and the support block 15 are made of heat-resistant materials such as quartz or mica, the support sleeve 21 is a metal material with sufficient hardness, and the support column 22 and the support block 15 can play a supporting role to improve the impact resistance of the support sleeve 21.

[0030] In this embodiment, specifically: the support column 22 is fixedly connected to the top of the support block 15 .

[0031] In this embodiment, specifically: two connecting plates 23 are symmetrically fixedly connected to the outer side wall of the supporting sleeve 21, and the connecting plates 23 are fixed to the supporting surface by bolts.

[0032] In this embodiment, specifically: a threaded hole 24 is formed on the upper surface of the connecting plate 23 .

[0033] In this embodiment, specifically: the outer side wall of the support sleeve 21 is symmetrically fixedly connected with two supports 25 .

[0034] In this embodiment, specifically: the inner side wall of the support 25 is rotatably connected with a hanging ring 26, and the heating device is hung below the supporting surface through the hanging ring 26.

[0035] In this embodiment, specifically: the limiting plate 19 is disposed at the bottom of the temperature sensor 18 , and the limiting plate 19 is used to protect the temperature sensor 18 and limit the position of the temperature sensor 18 .

[0036] Working principle or structural principle: When in use, the staff fixes the connecting plate 23 to the supporting surface by bolts, or suspends the heating device under the supporting surface by the hanging ring 26 to complete the installation of the heating device, and heats the internal environment of the instrument by the electric heating wire arranged inside the heating ring 11 of the alumina material. The first groove 12 and the second groove 13 are opened on the outer wall and the bottom of the heating ring 11 to increase the heat exchange area, so that the heating device can evenly heat the internal environment of the instrument to prevent uneven heating. The ambient temperature is detected by the temperature sensor 18 arranged inside the support block 15 of the quartz material, and the internal temperature sensor 18 is protected by the support block 15 to reduce the impact of the environment on the temperature sensor 18 and improve the accuracy of the measurement result.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hot wire internal heating device for an instrument, comprising a main body assembly (10), characterized in that: The main body component (10) comprises a heating ring (11), a first groove (12), a second groove (13), a heat-resistant wire (14), a support block (15), a connecting block (16), a mounting hole (17), a temperature sensor (18), a limit plate (19), a through hole (110) and a fixing bolt (111); The heating ring (11) is evenly provided with a heating wire inside, the outer wall of the heating ring (11) is evenly provided with a first groove (12), the bottom of the heating ring (11) is evenly provided with a second groove (13), the outer wall of the heating ring (11) is provided with a heat-resistant wire (14), the heat-resistant wire (14) is electrically connected to the heating wire, a support block (15) is provided inside the heating ring (11), the support block (15) is fixedly connected to the heating ring (11) through a connecting block (16), a mounting hole (17) is provided at the bottom of the support block (15), a temperature sensor (18) is installed on the inner wall of the mounting hole (17), the limit plate (19) is fixedly connected to the bottom of the support block (15) through a fixing bolt (111), and a through hole (110) is provided at the bottom of the limit plate (19); A support assembly (20) is arranged on the top of the main assembly (10).

2. The internal heating device of a hot wire according to claim 1, characterized in that: The support assembly (20) comprises a support sleeve (21) and a support column (22); the top of the heating ring (11) is fixedly connected to the support sleeve (21), and the inner side wall of the support sleeve (21) is fixedly connected to the support column (22).

3. The internal heating device of a hot wire according to claim 2, characterized in that: The support column (22) is fixedly connected to the top of the support block (15).

4. The internal heating device of a hot wire according to claim 2, characterized in that: Two connecting plates (23) are symmetrically and fixedly connected to the outer side wall of the supporting sleeve (21).

5. The internal heating device of a hot wire according to claim 4, characterized in that: The upper surface of the connecting plate (23) is provided with a threaded hole (24).

6. The internal heating device of a hot wire according to claim 4, characterized in that: The outer side wall of the support sleeve (21) is symmetrically and fixedly connected to two supports (25).

7. The internal heating device of a hot wire according to claim 6, characterized in that: The inner side wall of the support (25) is rotatably connected with a hanging ring (26).

8. The internal heating device of a hot wire according to claim 1, characterized in that: The limiting plate (19) is arranged at the bottom of the temperature sensor (18).

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