Temperature-adjustable electric jacket for laboratory

Abstract

The utility model is suitable for the technical field of laboratory supplies, and provides a laboratory temperature-adjustable electric jacket, which comprises a heating assembly and a control module, the heating assembly is used for heating; the control module is used for controlling the heating state of the heating assembly. The heating assembly comprises the first heating piece and the second heating piece, the first heating piece is arranged to be of an annular net structure and located on the inner side face of the electric jacket heating cavity, and the second heating piece is arranged to be of a plane net structure and located on the inner bottom side of the electric jacket heating cavity. The first heating piece is used for heating the side face of the container, the second heating piece is used for heating the bottom face of the container, and the spliced cylindrical semi-closed heating assembly can heat objects in the container from the bottom and the side edge in a surrounding mode, so that the heating efficiency is improved, and the objects in the glass container are evenly heated; the influence on the heating effect of experimental articles is avoided.

Description

Technical Field

[0001] This utility model belongs to the field of laboratory supplies technology, and in particular relates to an adjustable temperature electric heating mantle for laboratories. Background Technology

[0002] In the laboratory, heating is a common operation used to achieve a variety of scientific goals. It is frequently used to promote chemical reactions, accelerate dissolution processes, melt or vaporize substances, sterilize and disinfect, process materials, and drive physical processes. Heating is an indispensable operation in the laboratory, with a very wide range of functions and applications. By precisely controlling heating conditions, various scientific objectives can be achieved, promoting research and development in various disciplines.

[0003] In existing technologies, alcohol lamps or electronic heating mantles are mostly used to heat glass containers in the laboratory. However, most of these methods directly heat the bottom of the glass container. When heating a glass container of a certain length, the temperature at the bottom is inconsistent with the temperature on the sides. The poor thermal conductivity of the glass container results in uneven heating, affecting the heating effect and even causing the heated container to crack. Utility Model Content

[0004] The purpose of this utility model embodiment is to provide a laboratory temperature-adjustable electric heating mantle, which aims to solve the problem that in the prior art, most glass containers in the laboratory are heated by alcohol lamps or electronic electric heating mantles. However, most of them directly heat the bottom of the glass container. When heating a glass container with a certain length, the temperature at the bottom is inconsistent with the temperature on the sides. The poor thermal conductivity of the glass container makes the glass container heat unevenly, affecting the heating effect and even causing the heated container to crack.

[0005] This utility model is implemented as follows: a laboratory adjustable temperature electric heating mantle, the laboratory adjustable temperature electric heating mantle comprising:

[0006] A heating assembly, comprising a first heating element and a second heating element, wherein the first heating element is configured as an annular mesh structure and located on the inner side of the heating cavity of the electric heating sleeve, and the first heating element is used for side heating; the second heating element is configured as a planar mesh structure and located on the inner bottom side of the heating cavity of the electric heating sleeve, and the second heating element is used for bottom heating; the first heating element and the second heating element are respectively connected to a control module.

[0007] A control module is used to control the heating state of the heating component.

[0008] Preferably, the control module includes a main control board, a temperature measuring unit, and an adjustment unit. The main control board is electrically connected to the first heating element via a first relay and to the second heating element via a second relay. The temperature measuring unit and the adjustment unit are respectively electrically connected to the main control board. The temperature measuring unit is used to detect the temperature inside the heating cavity, and the adjustment unit is used to adjust the heating temperature and heating time of the heating component.

[0009] Preferably, the laboratory temperature-adjustable electric heating mantle further includes an outer shell, the internal cavity of which is divided into a first installation area and a second installation area. The first installation area is located above the second installation area. The first installation area has a cylindrical semi-enclosed structure to facilitate the installation of heating components. The second installation area is used for the installation of the control module.

[0010] Preferably, the first installation area has a protective layer on its inner wall surface, the protective layer is used to protect the heating component, the top surface of the first installation area is provided with an annular baffle, the first heating component is connected to the annular baffle, the first installation area is separated from the second installation area by a connecting plate, and the heating component is connected to the relay through a through hole on the connecting plate.

[0011] Preferably, the second installation area is provided with a plurality of connecting rods, which are used to connect to the main control board.

[0012] Preferably, the first heating element and the second heating element are assembled to form a cylindrical structure. Both the first heating element and the second heating element are composed of several strip-shaped heating wires spirally wound around each other. Each heating wire includes a heating layer and an insulating layer. The insulating layer covers the outside of the heating layer. The insulating layer at the top of the heating wire is connected to the outer shell. The heating layer is connected to the relay.

[0013] Preferably, a gap is formed between the bottom surface of the second heating element and the connecting plate.

[0014] Preferably, the control module further includes several buttons and a display screen. The buttons are connected to the outer side of the second mounting area through mounting holes. The buttons are electrically connected to the main control board, and the display screen is electrically connected to the main control board. The display screen is used to display the temperature information of the heating cavity and the heating time information of the heating component.

[0015] Preferably, the outer casing is made of any one or more of stainless steel, nickel-based alloys, and titanium alloys.

[0016] Preferably, the heating wire is made of any one or more of nickel-chromium alloy, silicon carbide rod, ceramic heating element, and iron-chromium alloy.

[0017] This utility model provides a laboratory adjustable temperature electric heating mantle. The heating component includes a first heating element and a second heating element. The first heating element is configured as a ring-shaped mesh structure and located on the inner side of the heating cavity of the electric heating mantle. The second heating element is configured as a planar mesh structure and located on the inner bottom side of the heating cavity of the electric heating mantle. The heating component is connected to a control module. The first heating element is used to heat the side of the container, and the second heating element is used to heat the bottom of the container. The assembled cylindrical semi-enclosed heating component can heat the items inside the container from the bottom and sides, thereby improving heating efficiency and ensuring uniform heating of the items inside the glass container, avoiding affecting the heating effect of the experimental items. Attached Figure Description

[0018] Figure 1 A three-dimensional structural diagram of a laboratory adjustable temperature electric heating mantle provided for an embodiment of this utility model;

[0019] Figure 2 A cross-sectional view of a laboratory adjustable temperature electric heating mantle provided for an embodiment of this utility model;

[0020] Figure 3 This is a schematic diagram of the composition of the control module in a laboratory adjustable temperature electric heating mantle provided in an embodiment of the present invention.

[0021] In the attached diagram: 1. Heating assembly; 11. First heating element; 12. Second heating element; 2. Control module; 21. Main control board; 22. First relay; 23. Display screen; 24. Button; 25. Second relay; 3. Housing; 31. First mounting area; 32. Second mounting area; 33. Protective layer. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0023] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0024] like Figures 1-2The diagram shown is a structural diagram of a laboratory adjustable temperature electric heating mantle provided by an embodiment of the present invention, including: a heating assembly 1, the heating assembly 1 including a first heating element 11 and a second heating element 12, the first heating element 11 is configured as an annular mesh structure and located on the inner side of the heating cavity of the electric heating mantle, the first heating element 11 is used for side heating, the second heating element 12 is configured as a planar mesh structure and located on the inner bottom side of the heating cavity of the electric heating mantle, the second heating element 12 is used for bottom heating, the first heating element 11 and the second heating element 12 are respectively connected to a control module 2;

[0025] Control module 2, which is used to control the heating state of heating component 1.

[0026] In this embodiment of the present invention, preferably, the laboratory adjustable temperature electric heating mantle is suitable for heating experiments on items placed in glass containers in a laboratory. The laboratory adjustable temperature electric heating mantle mainly includes a heating component 1 and a control module 2. The heating component 1 includes a first heating element 11 and a second heating element 12. The first heating element 11 has a ring-shaped mesh structure, and the second heating element 12 has a planar mesh structure. The first heating element 11 and the second heating element 12 can be assembled to form a semi-enclosed cylindrical structure, or the bottom of the first heating element 11 can contact the top surface of the second heating element 12 to heat the bottom and surrounding sides of the container. A heating element 11 and a second heating element 12 are respectively connected to the control module 2. The heating component 1 can be a cylindrical semi-enclosed structure formed by spiraling heating wires of different shapes. The heating component 1 heats the items inside the container. The heating component 1 is a cylindrical wrapping structure formed by spirally winding heating wires. Its top is open to place the container. The control module 2 controls and adjusts the heating state of the first heating element 11 and the second heating element 12 respectively, so that they heat the side and bottom of the glass container at the same time, thereby improving the heating efficiency and making the items inside the container heated evenly, avoiding affecting the heating effect of the experimental items.

[0027] In one embodiment of this utility model, the heating assembly 1 includes a first heating element 11 and a second heating element 12. The first heating element 11 is configured as an annular mesh structure and located on the inner side of the heating chamber of the heating mantle. The second heating element 12 is configured as a planar mesh structure and located on the inner bottom side of the heating chamber of the heating mantle. The heating assembly 1 is connected to the control module 2. The first heating element 11 is used to heat the side of the container, and the second heating element 12 is used to heat the bottom of the container. The assembled cylindrical semi-enclosed structure of the heating assembly 1 can heat the items inside the container from the bottom and sides, thereby improving the heating efficiency and making the items inside the glass container heated evenly, avoiding affecting the heating effect of the experimental items.

[0028] like Figures 1-2As shown, in a preferred embodiment of this utility model, the control module 2 includes a main control board 21, a temperature measuring unit, and an adjustment unit. The main control board 21 is electrically connected to the first heating element 11 through a first relay 22 and to the second heating element 12 through a second relay 25. The temperature measuring unit and the adjustment unit are respectively electrically connected to the main control board 21. The temperature measuring unit is used to detect the temperature inside the heating chamber, and the adjustment unit is used to adjust the heating temperature and heating time of the heating component 1.

[0029] In this embodiment of the invention, preferably, the heating component 1 is electrically connected to the relay unit of the control module 2, converting electrical energy into heat energy. Through the principle of electrothermal conduction, it provides uniform heating to the items inside the container. Furthermore, the spiral arrangement of several strip-shaped heating wires within the cylindrical structure increases the heating area of ​​the glass container within the heating jacket, improving heating efficiency. The heating component 1 is connected to the main control board 21 of the control module 2 via relays. The first relay 22 is connected to the first heating element 11, and the second relay 25 is connected to the second heating element 12. The relays provide electrical energy to the heating component 1, causing it to heat up and thus the items placed inside the glass container. The control module 2 includes a temperature measuring unit, two relays, and an adjustment mechanism. Each unit is electrically connected to the main control board 21. The experimenter can adjust the heating time and temperature of the glass container inside the heating jacket by adjusting the unit. The temperature measuring unit can detect the temperature of the heating component 1 in real time to ensure that the heating temperature of the heating component 1 meets the heating requirements. When the glass container containing the item is placed inside the cylindrical semi-enclosed heating component 1, the heating time and temperature are set by adjusting the unit. The heating component 1 is connected to the relay unit on the main control board 21 to control the heating of the heating component 1. After the item inside the glass container is heated according to the set conditions, the control system on the main control board 21 controls the relay and the heating component 1 to stop heating and cut off the power in time.

[0030] like Figures 1-2 As shown, in a preferred embodiment of the present invention, the laboratory temperature-adjustable electric heating mantle also includes a shell 3. The internal cavity of the shell 3 is divided into a first installation area 31 and a second installation area 32. The first installation area 31 is located above the second installation area 32. The first installation area 31 is a cylindrical semi-enclosed structure to facilitate the installation of the heating component 1. The second installation area 32 is used for the installation of the control module 2.

[0031] In a preferred embodiment of this utility model, the laboratory temperature-adjustable electric heating mantle further includes a housing 3 for mounting the heating element and the control module 2. The internal cavity of the housing 3 can be divided into a first mounting area 31 and a second mounting area 32 arranged vertically. The first mounting area 31 is located above the second mounting area 32. The first mounting area 31 is used to mount the heating component 1. The second mounting area 32 can be connected to the first mounting area 31 through a through hole so that the relay located in the second mounting area 32 can be electrically connected to the heating component 1 in the first mounting area 31.

[0032] like Figures 1-2 As shown, in a preferred embodiment of the present invention, the first mounting area 31 has a protective layer 33 on its inner wall surface, the protective layer 33 is used to protect the heating component 1, the top surface of the first mounting area 31 is provided with an annular baffle, the first heating component 11 is connected to the annular baffle, the first mounting area 31 is separated from the second mounting area 32 by a connecting plate, and the heating component 1 is connected to the relay through a through hole on the connecting plate.

[0033] In this embodiment of the present invention, preferably, the first mounting area 31 located on the second mounting area 32 may have a protective layer 33 on its inner wall surface, located between the heating component 1 and the inner wall of the outer shell 3. The protective layer 33 has a heat insulation function to prevent the heating component 1 from contacting the outer shell 3 over a large area, thus reducing the high temperature of the outer wall of the outer shell 3 and reducing safety hazards. The annular baffle at the opening of the first mounting area 31 may be plate-shaped. The back of the annular baffle facing the inner cavity of the first mounting area 31 is connected to the inner wall of the first mounting area 31. The heating component 1 can be installed in the first mounting area 31 by connecting to the back of the annular baffle. The first mounting area 31 and the second mounting area 32 may be separated by a connecting plate inside the outer shell 3. The upper part of the connecting plate is the first mounting area 31, and the lower part is the second mounting area 32. The connecting plate is provided with through holes to facilitate the connection of the heating component 1 and the relay unit through wires.

[0034] like Figures 1-2 As shown, in a preferred embodiment of the present invention, the second mounting area 32 is provided with a plurality of connecting rods, which are used to connect to the main control board 21.

[0035] In this embodiment of the present invention, preferably, a connecting rod of a certain height is provided on the inner wall surface of the second mounting area 32 located below the connecting plate. The connecting rod is perpendicular to the wall surface of the second mounting area 32. The main control board 21 is mounted using the connecting rod, and a certain gap is provided between the main control board 21 and the bottom surface of the inner wall of the second mounting area 32 to facilitate heat dissipation.

[0036] like Figures 1-2As shown, in a preferred embodiment of the present invention, the first heating element 11 and the second heating element 12 are assembled to form a cylindrical structure. Both the first heating element 11 and the second heating element 12 are composed of several strip-shaped heating wires spirally wound around each other. The heating wire includes a heating layer and an insulating layer. The insulating layer covers the outside of the heating layer. The insulating layer at the top of the heating wire is connected to the outer shell 3. The heating layer is connected to the relay.

[0037] A gap is formed between the bottom surface of the second heating element 12 and the connecting plate.

[0038] In this embodiment of the present invention, preferably, the cylindrical heating component 1 is formed by spirally winding a strip of heating wire. The heating component 1 can be a single-layer spiral winding and its bottom is electrically connected to the relay unit on the main control board 21 through a wire. The heating wire of the heating component 1 can be composed of a heating layer and an insulating layer. The insulating layer covers the outside of the heating layer. The insulating layer of the heating wire is connected to the back of the annular baffle of the outer shell 3. The heating layer of the heating wire is connected to the relay unit through a wire so that the relay unit can control the heating component 1 to heat up and stop heating. Furthermore, a gap is formed between the bottom surface of the second heating element 12 and the connecting plate to prevent the second heating element 12 from directly contacting the connecting plate, so that heat conduction does not affect the operation of the control module 2 in the second mounting area 32. It can also prevent the weight of the container from pressing on the connecting plate and the control module 2 in the second mounting area 32 when the container is placed in the heating cavity.

[0039] like Figures 1-3 As shown, in a preferred embodiment of the present invention, the control module 2 further includes several buttons 24 and a display screen 23. The buttons 24 are connected to the outer side of the second mounting area 32 through mounting holes. The buttons 24 are electrically connected to the main control board 21. The display screen 23 is electrically connected to the main control board 21. The display screen 23 is used to display the temperature information of the heating cavity and the heating time information of the heating component 1.

[0040] In this embodiment of the present invention, preferably, the control module 2 is further provided with buttons 24 and a display screen 23. The buttons 24 and the display screen 23 are mounted on the housing 3 through mounting holes, and the buttons 24 and the display screen 23 can be electrically connected to the main control board 21 located in the second mounting area 32. The experimenter can press the buttons 24 with different functions to input different commands to adjust the heating temperature and heating time, and use the display screen 23 to display the input command information, the temperature information detected by the temperature measuring unit, and the heating time information. The buttons 24 are divided into different functions, such as function switching keys, plus and minus keys, and power keys.

[0041] like Figures 1-2As shown, in a preferred embodiment of the present invention, the outer shell 3 is made of any one or more of stainless steel, nickel-based alloy, and titanium alloy.

[0042] The heating wire is made of any one or more of the following: nickel-chromium alloy, silicon carbide rod, ceramic heating element, and iron-chromium alloy.

[0043] In this embodiment of the utility model, preferably, the outer shell 3 is mainly used to cover the heating component 1 and install the control module 2. The outer shell 3 can be made of stainless steel, which has properties such as wear resistance, corrosion resistance, and high temperature resistance. Other materials with the same properties can also be selected. The dimensions of the outer shell 3 can be, but are not limited to, the following: the total height of the outer shell 3 is 185mm, the bottom diameter of the outer shell 3 is 225mm, the opening diameter of the outer shell 3 can be 198mm, the opening diameter of the first heating element 11 can be 145mm, and the depth of the first heating element 11 can be 85mm. The strip-shaped heating wire of the heating component 1 can be, but is not limited to, made of nickel-chromium alloy, which has thermal conductivity and high temperature resistance, satisfying not only the thermal conductivity of the heating component 1 but also the high temperature resistance of the outer insulation layer.

[0044] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A laboratory temperature-adjustable electric heating mantle, characterized in that, The laboratory temperature-adjustable electric heating mantle includes: A heating assembly, comprising a first heating element and a second heating element, wherein the first heating element is configured as an annular mesh structure and located on the inner side of the heating cavity of the electric heating sleeve, and the first heating element is used for side heating; the second heating element is configured as a planar mesh structure and located on the inner bottom side of the heating cavity of the electric heating sleeve, and the second heating element is used for bottom heating; the first heating element and the second heating element are respectively connected to a control module. A control module is used to control the heating state of the heating component.

2. The laboratory adjustable temperature electric heating mantle according to claim 1, characterized in that, The control module includes a main control board, a temperature measuring unit, and an adjustment unit. The main control board is electrically connected to the first heating element through a first relay and to the second heating element through a second relay. The temperature measuring unit and the adjustment unit are respectively electrically connected to the main control board. The temperature measuring unit is used to detect the temperature inside the heating cavity, and the adjustment unit is used to adjust the heating temperature and heating time of the heating component.

3. The laboratory adjustable temperature electric heating mantle according to claim 2, characterized in that, The laboratory temperature-adjustable electric heating mantle also includes an outer shell. The internal cavity of the outer shell is divided into a first installation area and a second installation area. The first installation area is located above the second installation area. The first installation area is a cylindrical semi-enclosed structure to facilitate the installation of heating components. The second installation area is used for the installation of the control module.

4. The laboratory adjustable temperature electric heating mantle according to claim 3, characterized in that, The first installation area has a protective layer on its inner wall surface, which is used to protect the heating component. An annular baffle is provided on the top surface of the first installation area, and the first heating component is connected to the annular baffle. The first installation area is separated from the second installation area by a connecting plate, and the heating component is connected to the relay through a through hole on the connecting plate.

5. The laboratory adjustable temperature electric heating mantle according to claim 3, characterized in that, The second installation area is provided with a number of connecting rods, which are used to connect to the main control board.

6. The laboratory adjustable temperature electric heating mantle according to claim 1, characterized in that, The first heating element and the second heating element are assembled to form a cylindrical structure. Both the first heating element and the second heating element are composed of several strip-shaped heating wires spirally wound around each other. Each heating wire includes a heating layer and an insulating layer. The insulating layer covers the outside of the heating layer. The insulating layer at the top of the heating wire is connected to the outer shell. The heating layer is connected to the relay.

7. The laboratory adjustable temperature electric heating mantle according to claim 4, characterized in that, A gap is formed between the bottom surface of the second heating element and the connecting plate.

8. The laboratory adjustable temperature electric heating mantle according to claim 3, characterized in that, The control module also includes several buttons and a display screen. The buttons are connected to the outer side of the second mounting area through mounting holes. The buttons are electrically connected to the main control board, and the display screen is electrically connected to the main control board. The display screen is used to display the temperature information of the heating cavity and the heating time information of the heating component.

9. The laboratory adjustable temperature electric heating mantle according to claim 3, characterized in that, The outer shell is made of any one or more of stainless steel, nickel-based alloys, and titanium alloys.

10. The laboratory adjustable temperature electric heating mantle according to claim 6, characterized in that, The heating wire is made of any one or more of the following: nickel-chromium alloy, silicon carbide rod, ceramic heating element, and iron-chromium alloy.

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