CN-224208058-U - Laboratory temperature-adjustable electric heating sleeve

Abstract

The utility model is suitable for the technical field of laboratory supplies, and provides a laboratory temperature-adjustable electric heating sleeve, which comprises a heating component and a control module, wherein the heating component is connected with the heating component; the heating assembly is used for heating, and the control module is used for controlling the heating state of the heating assembly. The heating assembly comprises a first heating element and a second heating element, wherein the first heating element is of an annular net structure and is positioned on the inner side surface of the heating cavity of the electric heating sleeve, the second heating element is of a plane net structure and is positioned on the inner bottom side of the heating cavity of the electric heating sleeve, the heating assembly is connected with the control module, the first heating element is used for heating the side surface of the container, the second heating element is used for heating the bottom surface of the container, and the heating assembly of the split cylindrical semi-closed structure can heat articles in the container from the bottom and the side edges in a surrounding mode, so that the heating efficiency is improved, the articles in the glass container are uniformly heated, and the influence on the heating effect of experimental articles is avoided.

Inventors

• ZHAO ZHENGWEI
• Duan Mengyang

Assignees

• 广西民族大学

Dates

Publication Date

20260508

Application Date

20250527

Claims (10)

1. 1. A laboratory temperature-adjustable electric heating sleeve is characterized in that, the laboratory temperature-adjustable electrothermal sleeve comprises: The heating assembly comprises a first heating element and a second heating element, the first heating element is of an annular net structure and is positioned on the inner side surface of the heating cavity of the electric heating sleeve, the first heating element is used for heating the side surface, the second heating element is of a plane net structure and is positioned on the inner bottom side of the heating cavity of the electric heating sleeve, the second heating element is used for heating the bottom surface, and the first heating element and the second heating element are respectively connected with the control module; And the control module is used for controlling the heating state of the heating assembly.
2. 2. The laboratory temperature-adjustable electric heating sleeve according to claim 1, wherein the control module comprises a main control board, a temperature measuring unit and an adjusting unit, the main control board is electrically connected with the first heating element through a first relay and is electrically connected with the second heating element through a second relay, the temperature measuring unit and the adjusting unit are respectively electrically connected with the main control board, the temperature measuring unit is used for detecting the temperature in the heating cavity, and the adjusting unit is used for adjusting the heating temperature and the heating duration of the heating assembly.
3. 3. The lab-on-a-desk temperature-adjustable electric heating jacket of claim 2, further comprising a housing, the housing interior cavity being divided into a first mounting zone and a second mounting zone, the first mounting zone being located above the second mounting zone, the first mounting zone being of a cylindrical semi-closed structure to facilitate mounting of the heating assembly, the second mounting zone being for mounting of the control module.
4. 4. The laboratory temperature-adjustable electric jacket of claim 3, wherein the first mounting region is provided with a protective layer for an inner wall surface, the protective layer is used for protecting the heating assembly, an annular baffle is arranged on the top surface of the first mounting region, the first heating element is connected with the annular baffle, the first mounting region is separated from the second mounting region by a connecting plate, and the heating assembly is connected with the relay by a through hole on the connecting plate.
5. 5. A laboratory temperature-adjustable electric jacket according to claim 3, characterized in that the second installation area is provided with a number of connecting rods, a number of which are intended to be connected with a main control board.
6. 6. The laboratory temperature-adjustable electric heating sleeve according to claim 1, wherein the first heating element and the second heating element are combined to form a cylindrical structure, the first heating element and the second heating element are formed by spirally encircling a plurality of strip-shaped heating wires, the heating wires comprise heating layers and insulating layers, the insulating layers are coated on the outer sides of the heating layers, the insulating layers at the tops of the heating wires are connected with the shell, and the heating layers are connected with the relay.
7. 7. The lab-on-a-desk temperature-adjustable electric heating jacket of claim 4, wherein a gap is formed between the bottom surface of the second heating element and the connection plate.
8. 8. The laboratory temperature-adjustable electric heating sleeve according to claim 3, wherein the control module further comprises a plurality of keys and a display screen, the plurality of keys are connected with the outer side surface of the second installation area through installation holes, the keys are electrically connected with the main control board, the display screen is electrically connected with the main control board, and the display screen is used for displaying temperature information of the heating cavity and heating duration information of the heating assembly.
9. 9. A laboratory temperature-adjustable electric jacket according to claim 3, wherein the housing is made of any one or more of stainless steel, nickel-based alloy, titanium alloy.
10. 10. The laboratory temperature-adjustable electric jacket of claim 6, wherein the heating wire is made of any one or more of nichrome, silicon carbide rod, ceramic heater, iron-chromium alloy.

Description

Laboratory temperature-adjustable electric heating sleeve Technical Field The utility model belongs to the technical field of laboratory supplies, and particularly relates to a laboratory temperature-adjustable electric heating sleeve. Background In the laboratory, heating is a common practice used to achieve a variety of scientific goals. Heating is an indispensable operation in a laboratory, and has very wide application and application fields, and the chemical reaction is often promoted by heating, the dissolution process is accelerated, the melting or gasification of substances is realized, sterilization and disinfection are realized, the material treatment is carried out, the physical process is driven, and the like. By precisely controlling the heating conditions, various scientific targets can be realized, and the research and development of various subject fields are promoted. In the prior art, most of the glass containers are heated by alcohol lamps or electronic electric heating sleeves in laboratories, but most of the glass containers are directly heated at the bottom, when the glass containers with a certain length are heated, the temperature of the bottom is inconsistent with the temperature of the side surface, the heat conductivity of the glass containers is poor, so that the glass containers are heated unevenly, the heating effect is affected, and even the heating containers are broken. Disclosure of utility model The embodiment of the utility model aims to provide a laboratory temperature-adjustable electric heating sleeve, which aims to solve the problems that in the prior art, most of the laboratory temperature-adjustable electric heating sleeve heats a glass container by using an alcohol lamp or an electronic electric heating sleeve, but most of the laboratory temperature-adjustable electric heating sleeve directly heats the bottom of the glass container, when the glass container with a certain length is heated, the temperature of the bottom is inconsistent with the temperature of a side surface, the heat conductivity of the glass container is poor, so that the glass container is heated unevenly, the heating effect is influenced, and even the heating container is broken. The embodiment of the utility model is realized in that a laboratory temperature-adjustable electrothermal sleeve comprises: The heating assembly comprises a first heating element and a second heating element, the first heating element is of an annular net structure and is positioned on the inner side surface of the heating cavity of the electric heating sleeve, the first heating element is used for heating the side surface, the second heating element is of a plane net structure and is positioned on the inner bottom side of the heating cavity of the electric heating sleeve, the second heating element is used for heating the bottom surface, and the first heating element and the second heating element are respectively connected with the control module; And the control module is used for controlling the heating state of the heating assembly. Preferably, the control module comprises a main control board, a temperature measuring unit and an adjusting unit, wherein the main control board is electrically connected with the first heating piece through a first relay and the second heating piece through a second relay, the temperature measuring unit and the adjusting unit are respectively electrically connected with the main control board, the temperature measuring unit is used for detecting the temperature in the heating cavity, and the adjusting unit is used for adjusting the heating temperature and the heating duration of the heating assembly. Preferably, the electric heating sleeve with adjustable temperature in the laboratory further comprises a shell, wherein the cavity in the 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 of a cylindrical semi-closed structure so as to be convenient for installing a heating assembly, and the second installation area is used for installing a control module. Preferably, the first installation area is provided with the protective layer for the internal face, the protective layer is used for protecting heating element, first installation area top surface is provided with annular baffle, first heating element is connected with annular baffle, first installation area passes through the connecting plate and separates with the second installation area, heating element passes through the through-hole on the connecting plate and is connected with the relay. Preferably, the second installation area is provided with a plurality of connecting rods, and a plurality of connecting rods are used for being connected with the main control board. Preferably, the first heating piece and the second heating piece are spliced to form a cylindrical structure, the first heating p