Electric heating plate capable of heating quickly

By designing electric heating plates made of Teflon materials, using ceramic sheets and jack structures, the heating uniformity and speed are achieved, and the existing electric heating plates are solved. They are suitable for ultra-clean laboratories.

CN222869070UActive Publication Date: 2025-05-13TIANJIN TUOZHIMING LAB EQUIP CO LTD
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Patent Information

Application Number
CN202421509963.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-28
Publication Date
2025-05-13
Estimated Expiration
2034-06-28

AI Technical Summary

Technical Problem

The existing electric heating plates are unevenly heated and are easily corroded by acid and alkali, so they cannot be suitable for ultra-clean laboratories.

Method used

A quick heating plate is designed, using Teflon material, with multiple sockets and ceramic sheets on the plate body, and a fixed groove is provided at the bottom of the ceramic sheet. The ceramic sheet has high thermal conductivity and can heat the side walls and bottom of the container at the same time.

Benefits of technology

It achieves a more uniform and faster heating. At the same time, due to the use of acid and alkali-resistant Teflon materials, the equipment is avoided and corrosion is suitable for ultra-clean laboratories.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a fast heating electric hot plate, which comprises a bottom plate, a plate body and a ceramic chip, the bottom of the plate body is provided with an accommodating groove for placing a heating wire, the bottom plate is arranged at the bottom of the plate body to play a sealing role, and the upper surface of the plate body is provided with a plurality of uniformly distributed jacks communicated with the accommodating groove; the lower ends of the jacks are provided with ceramic chips used for sealing the lower ends of the jacks, the plate body on the periphery of the lower ends of the jacks is provided with fixing grooves, and the ceramic chips are clamped in the fixing grooves. A plurality of jacks are formed in the plate body of the electric heating plate, containers can be conveniently inserted into the jacks, meanwhile, ceramic chips are arranged at the lower ends of the jacks, when the containers are inserted into the jacks, the side walls and the bottoms of the containers can be heated at the same time, temperature rise of the containers is facilitated, and heating is more uniform; in addition, the heat conduction efficiency of the ceramic chip is high, and the heating effect can be improved.
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Description

Technical Field

[0001] The utility model relates to the field of heating equipment, in particular to an electric heating plate with fast heating. Background Art

[0002] In daily laboratory experiments and analyses, some heating experiments are often required. The electric heating plate is a basic laboratory heating equipment with a wide range of uses and a high utilization rate. The existing heating plate generally has a flat upper surface, which is convenient for placing experimental containers, but this heating method can only heat the bottom of the container, which is uneven and slow. In addition, most of the equipment on the market is made of metal. The outer surface of this electric heating plate has more or less metal leakage. It is easy to be corroded when exposed to acid and alkali for a long time in the laboratory, causing damage to the equipment and even inaccurate experimental data. It is not suitable for ultra-clean laboratories. Utility Model Content

[0003] In view of this, the utility model aims to provide a fast heating electric heating plate to solve the above problems.

[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0005] A fast-heating electric heating plate comprises a bottom plate, a plate body and a ceramic sheet. A receiving groove for placing a heating wire is provided at the bottom of the plate body. The bottom plate is arranged at the bottom of the plate body to play a sealing role. A plurality of plug holes connected to the receiving groove and evenly distributed are provided on the upper surface of the plate body. A ceramic sheet for sealing the lower end of the plug hole is provided at the lower end of the plug hole. A fixing groove is provided on the plate body at the outer periphery of the lower end of the plug hole, and the ceramic sheet is stuck in the fixing groove.

[0006] Furthermore, the ceramic sheet is circular.

[0007] Furthermore, protrusions are symmetrically arranged on the edge of the ceramic sheet, and a limiting stopper is arranged on the edge of the fixing groove for covering the protrusions and preventing the ceramic sheet from falling off.

[0008] Furthermore, two semicircular grooves are symmetrically provided in the middle of the lower surface of the ceramic sheet, and a connecting rib is formed between the two semicircular grooves.

[0009] Furthermore, the edge of the accommodating groove is recessed inward to form a limiting step, and the bottom plate is buckled in the limiting step.

[0010] Furthermore, the lower surface of the bottom plate is provided with supporting legs.

[0011] Furthermore, a plurality of fixing holes are provided on the plate body.

[0012] Furthermore, the material of the plate is Teflon.

[0013] Compared with the prior art, the quick-heating electric heating plate described in the utility model has the following advantages:

[0014] The electric heating plate with quick heating described in the utility model has a plurality of plug holes on the plate body, which is convenient for inserting the container into the plug holes. At the same time, a ceramic sheet is provided at the lower end of the plug hole. When the container is inserted into the plug hole, the side wall and the bottom of the container can be heated at the same time, which is more conducive to heating the container and heating more evenly. In addition, the ceramic sheet has high thermal conductivity and can improve the heating effect. The utility model does not expose any metal, and the whole body is made of acid and alkali resistant Teflon material, which can effectively prevent the equipment from being corroded and damaged, and at the same time prevent secondary pollution to ensure that the experimental data is true and valid, and can be used in ultra-clean laboratories. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0016] Figure 1 This is a schematic structural diagram of the electric heating plate with quick heating described in Example 1 of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the plate body described in Example 1 of the utility model;

[0018] Figure 3 This is a schematic structural diagram of the electric heating plate with quick heating described in Example 2 of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the plate body described in Example 2 of the utility model;

[0020] Figure 5 This is a partial enlarged view of point A of the plate body described in Example 2 of the present utility model.

[0021] Description of reference numerals:

[0022] 1. Bottom plate; 2. Plate body; 21. Insertion hole; 22. Fixing groove; 221. Limiting baffle; 23. Fixing hole; 24. Limiting step; 25. Accommodating groove; 3. Ceramic plate; 31. Protrusion; 32. Semicircular groove; 33. Connecting rib; 4. Leg. DETAILED DESCRIPTION

[0023] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0024] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0026] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0027] Example 1

[0028] like Figure 1-2 As shown, a quick-heating electric heating plate comprises a bottom plate 1, a plate body 2 and a ceramic sheet 3. A receiving groove 25 for placing a heating wire is provided at the bottom of the plate body. The bottom plate is arranged at the bottom of the plate body to play a sealing role. A plurality of plug holes 21 connected to the receiving groove and evenly distributed are provided on the upper surface of the plate body; a ceramic sheet 3 for sealing the lower end of the plug hole 21 is provided at the lower end of the plug hole 21, and a fixing groove 22 is provided on the plate body 2 at the outer periphery of the lower end of the plug hole 21, and the ceramic sheet 3 is stuck in the fixing groove 22.

[0029] Exemplarily, the edge of the receiving groove 25 is recessed inward to form a limiting step 24, and the bottom plate is buckled into the limiting step.

[0030] Exemplarily, a supporting leg 4 is provided on the lower surface of the base plate 1 .

[0031] Exemplarily, the plate body 2 is further provided with a plurality of fixing holes 23 , in which screws are inserted, and the base plate 1 and the plate body 2 are fixed by means of the screws.

[0032] Exemplarily, the material of the plate body 2 is Teflon.

[0033] In order to avoid exposing the screws, Teflon plugs can be inserted into the fixing holes.

[0034] The electric heating plate has a plurality of insertion holes on its body, which are convenient for inserting containers into the insertion holes. Meanwhile, a ceramic sheet is provided at the lower end of the insertion hole. When the container is inserted into the insertion hole, the side wall and the bottom of the container can be heated at the same time, which is more conducive to heating the container and makes the heating more uniform. In addition, the ceramic sheet has high thermal conductivity and can improve the heating effect.

[0035] Example 2

[0036] like Figure 3-5 As shown, a quick heating electric heating plate, based on the above embodiment 1, as Figure 5 As shown, the ceramic sheet 3 can be circular, and specifically, the edge of the ceramic sheet 3 is symmetrically provided with protrusions 31, and the edge of the fixing groove 22 is provided with a limit stopper 221 for blocking the protrusion 31 to prevent the ceramic sheet 3 from falling off. When installing the ceramic sheet, align the protrusions with the gaps between adjacent limit stops, insert the ceramic sheet into the fixing groove, and then rotate the ceramic sheet so that the protrusions face the limit stops, thereby preventing the ceramic sheet from falling off.

[0037] More specifically, two semicircular grooves 32 are symmetrically provided in the middle of the lower surface of the ceramic sheet 3, and a connecting rib 33 is formed between the two semicircular grooves 32. The connecting rib and the semicircular groove can facilitate the taking and placing of the ceramic sheet.

[0038] 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 quick-heating electric heating plate, characterized in that: It includes a bottom plate, a plate body and a ceramic sheet. A receiving groove for placing a heating wire is opened at the bottom of the plate body. The bottom plate is arranged at the bottom of the plate body to play a sealing role. A plurality of jacks connected to the receiving groove and evenly distributed are arranged on the upper surface of the plate body. A ceramic sheet for sealing the lower end of the jack is arranged at the lower end of the jack. A fixing groove is arranged on the plate body at the outer periphery of the lower end of the jack, and the ceramic sheet is stuck in the fixing groove.

2. The quick-heating electric heating plate according to claim 1 is characterized in that: The ceramic piece is round.

3. The quick-heating electric heating plate according to claim 2 is characterized in that: The edge of the ceramic sheet is symmetrically provided with protrusions, and the edge of the fixing groove is provided with a limiting stopper for covering the protrusions and preventing the ceramic sheet from falling off.

4. The quick-heating electric heating plate according to claim 3 is characterized in that: Two semicircular grooves are symmetrically arranged in the middle of the lower surface of the ceramic sheet, and a connecting rib is formed between the two semicircular grooves.

5. The quick-heating electric heating plate according to claim 1 is characterized in that: The edge of the accommodating groove is recessed inward to form a limiting step, and the bottom plate is buckled in the limiting step.

6. The quick-heating electric heating plate according to claim 1 is characterized in that: The lower surface of the bottom plate is provided with supporting legs.

7. The quick-heating electric heating plate according to claim 1 is characterized in that: The plate body is also provided with a plurality of fixing holes.

8. The quick-heating electric heating plate according to claim 1 is characterized in that: The material of the plate is Teflon.