High-efficiency directly-heated heating plate
By using a serpentine iron-chromium alloy heating layer and a high thermal conductivity substrate, the problem of uneven temperature in direct-heating plates is solved, achieving high efficiency and uniform heating. At the same time, it enhances heat dissipation and dust prevention capabilities, improving the stability and safety of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-04-07
AI Technical Summary
Traditional direct-heating heating plates suffer from uneven heating element distribution or poor thermal conductivity, resulting in uneven temperature distribution on the heating surface, which affects heating efficiency and temperature uniformity.
The heating layer, made of iron-chromium alloy, is arranged in a serpentine pattern and is connected to the heating tube by an embedded connection through a high thermal conductivity substrate, enabling rapid heat dissipation. At the same time, an air circulation channel and a filtration system are designed to promote heat dissipation and prevent impurities from entering.
It improves heating efficiency and temperature uniformity, enhances the heat dissipation effect and reliability of the equipment, and ensures the stability and safety of the equipment.
Smart Images

Figure CN224097866U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to heating disc technical field especially relates to a kind of high-efficiency direct heating heating disc. BACKGROUND
[0002] Heating disc is a kind of common heating equipment, direct heating heating disc is a kind of heating equipment by electric energy directly converts electric energy into heat energy, is widely used in industrial production, laboratory research and family life etc.
[0003] Traditional direct heating heating disc when using, due to its heating element uneven distribution or poor heat conduction performance, often lead to heating surface temperature uneven distribution, this uneven temperature distribution can affect heating effect, even lead to local overheating or heating deficiency of heated object, thereby reduce heating efficiency and temperature uniformity, therefore, the technical personnel of the present art provides a kind of high-efficiency direct heating heating disc to solve the problems presented in the above background art. SUMMARY
[0004] The utility model aims at solving the shortcomings in the prior art, and provides a kind of high-efficiency direct heating heating disc, the heating layer made of iron-chromium alloy is serpentine arrangement, improve heating efficiency and uniformity, again through the high thermal conductivity of substrate, thereby improve heating efficiency and temperature uniformity.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of high-efficiency direct heating heating disc, including shell and substrate, the substrate is set at the upper end surface center of shell, the upper end surface center of substrate is equipped with arc slot, the upper end surface center of substrate is equipped with heating pipe in inner side, the upper end surface center of substrate is equipped with heating layer in outer side, the front end surface center of shell is equipped with connection interface in upper side;
[0006] The arc slot is through the upper end surface of substrate and reaches the inside of substrate, the heating pipe and heating layer are respectively embedded with connection between the upper end surface of substrate, the heating layer is iron-chromium alloy, the substrate is high thermal conductivity metal, the heating layer is serpentine arrangement;
[0007] Through the above technical scheme, when current passes through heating pipe, due to its resistance, electric energy is converted into heat energy, to realize heating effect, again the heating layer made of iron-chromium alloy has good high-temperature resistance and resistance characteristics, can work stably under high temperature, again the heating layer is serpentine arrangement, improve heating efficiency and uniformity, again the heating pipe and heating layer are respectively embedded with connection between the upper end surface of substrate, so that the high thermal conductivity of substrate rapidly spreads heat to the entire substrate surface, ensure heating temperature uniform, thereby improve heating efficiency and temperature uniformity.
[0008] Further, the lower end of the shell is provided with a supporting device, the supporting device comprises a fixed ring, the fixed ring is arranged at the lower end of the shell, the inner side wall center of the fixed ring is circularly arranged with three sleeves, the center of the lower end surface of the shell is circularly arranged with three insertion rings, the center of the lower end surface of the sleeve is circularly arranged with a plurality of connecting rods, and the lower end surface center of the connecting rod is fixedly connected with a supporting ring;
[0009] Through the above technical scheme, the circular groove and the circular groove meet the formation of the air flow channel, and the fan accelerates the air flow, drives the hot air in the shell to be transported to the environment through the circular groove and the circular groove, meets the heating and heat dissipation efficiency, and prevents the impurities and dust in the air from entering the shell to affect the normal operation, thereby ensuring the service life of the equipment.
[0010] Further, the center of the outer side of the shell is circularly arranged with a plurality of through grooves, and the center of the through groove is circularly arranged with a second filter screen;
[0011] Through the above technical scheme, the through groove and the fan cooperate to promote the circulation of air in and out of the shell, further enhance the heat dissipation effect, and prevent dust and impurities from entering the heating disc area through the second filter screen, thereby improving the reliability and safety of the equipment.
[0012] Further, the lower end of the shell is provided with a supporting device, the supporting device comprises a fixed ring, the fixed ring is arranged at the lower end of the shell, the inner side wall center of the fixed ring is circularly arranged with three sleeves, the center of the lower end surface of the shell is circularly arranged with three insertion rings, the center of the lower end surface of the sleeve is circularly arranged with a plurality of connecting rods, and the lower end surface center of the connecting rod is fixedly connected with a supporting ring;
[0013] Through the above technical scheme, the connecting rod is fixedly connected between the fixed ring and the supporting ring, so as to form a complete supporting frame, and provide an additional support point, further enhance the stability and carrying capacity of the supporting device.
[0014] Further, the three sleeves are connected with the three insertion rings;
[0015] Through the above technical scheme, the sleeve and the insertion ring are connected by sleeving, which meets the quick connection between the shell and the supporting device, and ensures the stable connection between the heating disc and the supporting device, prevents the displacement or loosening of the heating disc during the working process, and improves the stability.
[0016] The utility model has the following beneficial effects:
[0017] 1、The utility model discloses a high -efficient direct -heating type heating disc is provided with the heating layer of iron -chrome alloy, and the heating layer has good high -temperature resistance and resistance characteristics, can work stably under high temperature, and the heating efficiency and the uniformity are improved through the serpentine arrangement of the heating layer.
[0018] 2、The utility model discloses a circular groove and circular groove make it satisfy the formation air circulation channel, and through the fan, it makes air flow accelerate, drives the hot air in the shell to be transported to the environment through the circular groove and circular groove, and through the cooperation of the through groove and the fan, it promotes the circulation of the air in and out of the shell, further enhances the heat dissipation effect, and through the second filter screen and the first filter screen, it prevents dust and impurities from entering the heating disc area, avoids the influence on the normal operation in the shell, thereby guaranteeing the equipment life, and improving the reliability and safety of the equipment.
[0019] 3、The utility model discloses a connecting rod and fixed circular ring and support circular ring fixed connection between make it formed a complete support frame, and make it provided additional support point, further enhanced the stability and carrying capacity of support device, and through the sleeve ring and the plug ring through the sleeve connection between make it satisfy the quick connection between the shell and support device, and ensure the firm connection between the heating disc and support device, prevent the heating disc from displacement or slack in the working process, thereby improving its stability. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a perspective view of a high -efficient direct -heating type heating disc provided by the utility model;
[0021] Figure 2 It is a front sectional view of a high -efficient direct -heating type heating disc provided by the utility model;
[0022] Figure 3 It is a perspective view of a high -efficient direct -heating type heating disc support device provided by the utility model;
[0023] Figure 4 It is Figure 2 The enlarged schematic view of A in the utility model.
[0024] LEGEND:
[0025] 1, the shell; 2, the base plate; 3, the arc-shaped groove; 4, the round groove; 5, the heating pipe; 6, the heating layer; 7, the connecting interface; 8, the heat dissipation device; 801, the heat dissipation disc; 802, the fan; 803, the circular groove; 804, the first filter screen; 805, the through groove; 806, the second filter screen; 9, the supporting device; 901, the fixed ring; 902, the sleeve ring; 903, the connecting rod; 904, the supporting ring; 905, the insertion ring. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0027] Referring to Figures 1-4 An embodiment provided by the utility model: a high-efficiency direct heating type heating disc, comprising a shell 1 and a base plate 2, the base plate 2 is arranged at the upper end face center of the shell 1, the arc-shaped groove 3 is arranged at the upper end face center of the base plate 2, the heating pipe 5 is arranged at the inner side of the upper end face center of the base plate 2, the heating layer 6 is arranged at the outer side of the upper end face center of the base plate 2, the connecting interface 7 is arranged at the upper end face center of the shell 1, the heating layer 6 made of ferrochrome alloy is arranged in a serpentine shape, so that the heating efficiency and uniformity are improved, and the high thermal conductivity of the base plate 2 is used, so that the heating efficiency and temperature uniformity are improved.
[0028] The arc-shaped groove 3 penetrates the upper end face of the base plate 2 and reaches the inside of the base plate 2, the heating pipe 5 and the heating layer 6 are respectively embeddedly connected between the upper end face of the base plate 2, the heating layer 6 is made of ferrochrome alloy, the base plate 2 is made of high thermal conductivity metal, the heating layer 6 is arranged in a serpentine shape, when the current passes through the heating pipe 5, due to the resistance, the electric energy is converted into heat energy, so that the heating effect is realized, the heating layer 6 made of ferrochrome alloy has good high-temperature resistance and resistance characteristics and can work stably at high temperature, the heating layer 6 is arranged in a serpentine shape, so that the heating efficiency and uniformity are improved, the heating pipe 5 and the heating layer 6 are respectively embeddedly connected between the upper end face of the base plate 2, so that the heat is quickly diffused to the whole surface of the base plate 2 through the high thermal conductivity of the base plate 2, the heating temperature is ensured to be uniform, so that the heating efficiency and temperature uniformity are improved.
[0029] A circular groove 4 is provided at the center of the lower inner wall of the shell 1. A heat dissipation device 8 is provided at the center of the lower end face of the shell 1. The heat dissipation device 8 includes a heat dissipation plate 801, which is located at the lower end face of the shell 1. The circular groove 4 passes through the shell 1 and the heat dissipation plate 801 and extends to the upper inner wall of the heat dissipation plate 801. A fan 802 is provided at the center of the interior of the heat dissipation plate 801. A circular groove 803 is provided at the center of the lower inner wall of the heat dissipation plate 801 and extends through the lower inner wall of the heat dissipation plate 801 to the lower end face of the heat dissipation plate 801. Both 803 and the circular groove 4 are equipped with a first filter screen 804 at their center. The circular groove 4 and the circular groove 803 form an air circulation channel. The fan 802 accelerates the airflow, driving the hot air inside the housing 1 through the circular groove 4 and the circular groove 803 to be transported to the environment, thus achieving heating and heat dissipation efficiency. The first filter screen 804 then blocks impurities and dust in the air, preventing them from entering the housing 1 and affecting its normal operation, thereby ensuring the lifespan of the equipment.
[0030] Multiple through slots 805 are arranged in a circular pattern at the center of the outer side of the housing 1. Each through slot 805 has a second filter screen 806 at its center. Through the cooperation of the through slots 805 and the fan 802, the air circulation inside and outside the housing 1 is promoted, which further enhances the heat dissipation effect. The second filter screen 806 prevents dust and impurities from entering the heating plate area, thereby improving the reliability and safety of the equipment.
[0031] A support device 9 is provided at the lower end of the housing 1. The support device 9 includes a fixed ring 901, which is located at the lower end of the housing 1. Three collars 902 are arranged in a circle at the center of the inner sidewall of the fixed ring 901. Three insert rings 905 are arranged in a circle at the center of the lower end face of the housing 1. Multiple connecting rods 903 are arranged in a circle at the center of the lower end face of the collars 902. A support ring 904 is fixedly connected to the center of the lower end face of the multiple connecting rods 903. The connecting rods 903 are fixedly connected to the fixed ring 901 and the support ring 904, forming a complete support frame and providing additional support points, thereby further enhancing the stability and load-bearing capacity of the support device 9.
[0032] The three collars 902 are respectively connected to the three inserts 905. The connection between the collars 902 and the inserts 905 enables a quick connection between the housing 1 and the support device 9, and ensures a stable connection between the heating plate and the support device 9, preventing the heating plate from shifting or loosening during operation, thereby improving its stability.
[0033] Working Principle: When using the high-efficiency direct-heating heating plate, through the connection interface 7, when current passes through the heating tube 5, electrical energy is converted into heat energy due to its resistance, thus achieving the heating effect. The heating layer 6, made of iron-chromium alloy, has excellent high-temperature resistance and resistance characteristics, enabling stable operation at high temperatures. The serpentine design of the heating layer 6 further improves heating efficiency and uniformity. The heating tube 5 and heating layer 6 are embedded and connected to the upper surface of the substrate 2, allowing heat to be rapidly diffused across the entire surface of the substrate 2 due to its high thermal conductivity, ensuring uniform heating temperature and thus improving heating efficiency and temperature uniformity.
[0034] Then, the circular grooves 4 and 803 form an airflow channel, and the fan 802 accelerates the airflow, driving the hot air inside the housing 1 through the circular grooves 4 and 803 to be transported to the environment, thus achieving heating and heat dissipation efficiency. The first filter 804 then blocks impurities and dust in the air, preventing them from entering the housing 1 and affecting its normal operation, thereby ensuring the equipment's lifespan. The through groove 805, in conjunction with the fan 802, promotes airflow inside and outside the housing 1, further enhancing the heat dissipation effect. Finally, the second filter 806 prevents dust and impurities from entering the heating plate area, thereby improving the reliability and safety of the equipment.
[0035] Finally, the connecting rod 903 is fixedly connected to the fixed ring 901 and the supporting ring 904, forming a complete support frame and providing additional support points, further enhancing the stability and load-bearing capacity of the support device 9. The collar 902 and the insert ring 905 are connected by a sleeve, which allows for quick connection between the housing 1 and the support device 9 and ensures a stable connection between the heating plate and the support device 9, preventing displacement or loosening of the heating plate during operation, thereby improving its stability.
[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., 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 high-efficiency direct-heating heating plate, comprising a shell (1) and a substrate (2), wherein the substrate (2) is disposed at the center of the upper end face of the shell (1), characterized in that: An arc groove (3) is provided at the center of the upper end face of the substrate (2), a heating tube (5) is provided at the inner side of the center of the upper end face of the substrate (2), a heating layer (6) is provided at the outer side of the center of the upper end face of the substrate (2), and a connection interface (7) is provided at the upper center of the front end face of the housing (1). The arc groove (3) penetrates the upper surface of the substrate (2) and extends into the interior of the substrate (2). The heating tube (5) and the heating layer (6) are respectively embedded and connected to the upper surface of the substrate (2). The heating layer (6) is made of iron-chromium alloy, the substrate (2) is made of high thermal conductivity metal, and the heating layer (6) is arranged in a serpentine shape.
2. The high-efficiency direct-heating heating plate according to claim 1, characterized in that: A circular groove (4) is provided at the center of the lower inner wall of the housing (1), and a heat dissipation device (8) is provided at the center of the lower end face of the housing (1). The heat dissipation device (8) includes a heat dissipation plate (801), which is located at the lower end face of the housing (1). The circular groove (4) passes through the housing (1) and the heat dissipation plate (801) in sequence and leads to the upper inner wall of the heat dissipation plate (801). A fan (802) is provided at the center of the interior of the heat dissipation plate (801). A circular groove (803) is provided at the center of the lower inner wall of the heat dissipation plate (801), which passes through the lower inner wall of the heat dissipation plate (801) and leads to the lower end face of the heat dissipation plate (801). A first filter screen (804) is provided at the center of the interior of both the circular groove (803) and the circular groove (4).
3. A high-efficiency direct-heating heating plate according to claim 2, characterized in that: The outer center of the housing (1) is provided with a plurality of through slots (805) arranged in a circular pattern, and a second filter screen (806) is provided at the center of each of the plurality of through slots (805).
4. A high-efficiency direct-heating heating plate according to claim 1, characterized in that: The lower end of the housing (1) is provided with a support device (9), which includes a fixed ring (901). The fixed ring (901) is located at the lower end of the housing (1). Three collars (902) are arranged in a circle at the center of the inner side wall of the fixed ring (901). Three insert rings (905) are arranged in a circle at the center of the lower end face of the housing (1). Multiple connecting rods (903) are arranged in a circle at the center of the lower end face of the collars (902). A support ring (904) is fixedly connected to the center of the lower end face of the multiple connecting rods (903).
5. A high-efficiency direct-heating heating plate according to claim 4, characterized in that: The three collars (902) are respectively sleeved and connected to the three inserts (905).