Thick film heating plate

Abstract

The utility model relates to the technical field of heating devices, in particular to a thick film heating plate, which comprises a substrate, a silk-screen printing layer is arranged on one side surface of the substrate, and a plurality of groups of radiating tooth-shaped structures which are sequentially arranged next to one another along a first direction are arranged on the other side surface opposite to the one side surface of the substrate. Teeth in any two adjacent groups of radiating tooth-shaped structures are sequentially arranged in a staggered manner along the second direction, and the design of the tooth-shaped staggered structures can increase the contact area between the cooling liquid and the substrate, take away more heat and improve the heat transfer effect; in addition, due to the design of the tooth-shaped staggered structure, the cooling liquid in the first cavity cannot directly flow through the cavity but is continuously disturbed by the tooth-shaped staggered structure, the cooling liquid is scattered, bubbles cannot be generated in the flowing process of the cooling liquid, the service life of the product can be prolonged, and the stability of the product can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heating devices, in particular to a thick film heating plate. Background Art

[0002] Thick film heating technology is a heating device that uses thick film screen printing technology on a substrate, such as stainless steel plate, ceramic, glass or aluminum alloy plate, to print insulating medium, heating resistor, conductor and insulating protective layer on the substrate in sequence, and then sinter at high temperature. At present, thick film thermal energy printing technology has gradually matured, with the characteristics of good thermal conductivity, large heat dissipation area and high safety performance.

[0003] Existing thick film heaters are limited by screen printing technology, and there is no other heat dissipation structure on the surface of the substrate, resulting in poor heat dissipation effect. The coolant in the cavity cannot be heated evenly, resulting in poor heating effect. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a thick film heating plate, which can increase the contact area between the cooling liquid and the substrate, take away more heat and increase the heat transfer effect.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A thick film heating plate comprises a substrate, a screen-printed layer is provided on one side of the substrate, a plurality of groups of heat dissipation tooth-shaped structures arranged closely in sequence along a first direction are provided on the other side of the substrate opposite to the one side, the teeth in any two adjacent groups of the heat dissipation tooth-shaped structures are arranged alternately in sequence along a second direction, and the first direction and the second direction are two mutually perpendicular directions.

[0007] Furthermore, the heat dissipation tooth-shaped structure includes a plurality of tooth-shaped parts connected in sequence, wherein the tooth-shaped parts include an inverted U-shaped tooth and a U-shaped tooth, the inverted U-shaped tooth and the U-shaped tooth are connected to form a complete tooth-shaped part, and a plurality of the tooth-shaped parts are connected to form a wavy heat dissipation tooth-shaped structure, and the inverted U-shaped teeth and U-shaped teeth in each group of the heat dissipation tooth-shaped structures are staggered one by one with the corresponding inverted U-shaped teeth and U-shaped teeth in the adjacent heat dissipation tooth-shaped structures.

[0008] Furthermore, the inverted U-shaped teeth in each group of the heat dissipation tooth-shaped structures and the corresponding inverted U-shaped teeth in the adjacent heat dissipation tooth-shaped structures are arranged in a manner of staggered half U-shaped teeth, and the U-shaped teeth in each group of the heat dissipation tooth-shaped structures and the corresponding U-shaped teeth in the adjacent heat dissipation tooth-shaped structures are arranged in a manner of staggered half U-shaped teeth.

[0009] Furthermore, the inverted U-shaped teeth and the U-shaped teeth have the same structure and size, and are both metal sheets bent into a U shape.

[0010] Furthermore, the inverted U-shaped teeth and the U-shaped teeth are both made of aluminum alloy.

[0011] The beneficial effects of the utility model are:

[0012] The thick film heating plate designed in this scheme includes a substrate, a screen-printed layer is provided on one side surface of the substrate, and a plurality of groups of heat dissipation tooth-shaped structures arranged closely in sequence along a first direction are provided on the other side surface of the substrate opposite to the one side surface, and the teeth in any two adjacent groups of heat dissipation tooth-shaped structures are staggered in sequence along a second direction. The design of the tooth-shaped staggered structure can increase the contact area between the coolant and the substrate, take away more heat, and increase the heat transfer effect; and the design of the tooth-shaped staggered structure can also ensure that the coolant in the first cavity does not flow directly through the cavity, but is continuously disturbed by the tooth-shaped staggered structure, and the coolant is broken up, so that no bubbles are generated during its flow, thereby improving the service life and stability of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the thick film heating plate of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the thick film heating plate of the utility model;

[0015] Figure 3 The thick film heating plate of the utility model Figure 1 A schematic diagram of the front view structure of

[0016] Figure 4 The thick film heating plate of the utility model Figure 3 Enlarged view of point A in the middle;

[0017] Figure 5 It is a structural schematic diagram of the thick film heating plate of the utility model;

[0018] Description of labels:

[0019] 1. Base plate; 2. Heat dissipation tooth-shaped structure; 21. Inverted U-shaped tooth; 22. U-shaped tooth; 3. Screen printing layer. DETAILED DESCRIPTION

[0020] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in conjunction with the implementation modes and the accompanying drawings.

[0021] Please refer to Figure 1 , the technical solution adopted by the utility model is:

[0022] A thick film heating plate comprises a substrate, a screen-printed layer is provided on one side of the substrate, a plurality of groups of heat dissipation tooth-shaped structures arranged closely in sequence along a first direction are provided on the other side of the substrate opposite to the one side, the teeth in any two adjacent groups of the heat dissipation tooth-shaped structures are arranged alternately in sequence along a second direction, and the first direction and the second direction are two mutually perpendicular directions.

[0023] From the above description, it can be seen that the beneficial effects of the utility model are:

[0024] The thick film heating plate designed in this scheme includes a substrate, a screen-printed layer is provided on one side surface of the substrate, and a plurality of groups of heat dissipation tooth-shaped structures arranged closely in sequence along a first direction are provided on the other side surface of the substrate opposite to the one side surface, and the teeth in any two adjacent groups of heat dissipation tooth-shaped structures are staggered in sequence along a second direction. The design of the tooth-shaped staggered structure can increase the contact area between the coolant and the substrate, take away more heat, and increase the heat transfer effect; and the design of the tooth-shaped staggered structure can also ensure that the coolant in the first cavity does not flow directly through the cavity, but is continuously disturbed by the tooth-shaped staggered structure, and the coolant is broken up, so that no bubbles are generated during its flow, thereby improving the service life and stability of the product.

[0025] Furthermore, the heat dissipation tooth-shaped structure includes a plurality of tooth-shaped parts connected in sequence, wherein the tooth-shaped parts include an inverted U-shaped tooth and a U-shaped tooth, the inverted U-shaped tooth and the U-shaped tooth are connected to form a complete tooth-shaped part, and a plurality of the tooth-shaped parts are connected to form a wavy heat dissipation tooth-shaped structure, and the inverted U-shaped teeth and U-shaped teeth in each group of the heat dissipation tooth-shaped structures are staggered one by one with the corresponding inverted U-shaped teeth and U-shaped teeth in the adjacent heat dissipation tooth-shaped structures.

[0026] It can be seen from the above description that by providing the above structure, the turbulence effect and the heat transfer effect can be further improved, thereby further improving the service life and stability of the product.

[0027] Furthermore, the inverted U-shaped teeth in each group of the heat dissipation tooth-shaped structures and the corresponding inverted U-shaped teeth in the adjacent heat dissipation tooth-shaped structures are arranged in a manner of staggered half U-shaped teeth, and the U-shaped teeth in each group of the heat dissipation tooth-shaped structures and the corresponding U-shaped teeth in the adjacent heat dissipation tooth-shaped structures are arranged in a manner of staggered half U-shaped teeth.

[0028] From the above description, it can be seen that the inverted U-shaped teeth in the heat dissipation tooth structure and the corresponding inverted U-shaped teeth in the adjacent heat dissipation tooth structure, and the U-shaped teeth in the heat dissipation tooth structure and the corresponding U-shaped teeth in the adjacent heat dissipation tooth structure are arranged in a staggered half U-shaped tooth manner, which can optimize the turbulence effect and heat transfer effect, thereby further improving the service life and stability of the product.

[0029] Furthermore, the inverted U-shaped teeth and the U-shaped teeth have the same structure and size, and are both metal sheets bent into a U shape.

[0030] Furthermore, the inverted U-shaped teeth and the U-shaped teeth are both made of aluminum alloy.

[0031] Please refer to Figures 1 to 5 As shown, the first embodiment of the utility model is:

[0032] Please refer to Figures 1 to 5 A thick film heating plate comprises a substrate 1, a screen-printed layer 3 is provided on one side of the substrate 1, a plurality of groups of heat dissipation tooth-shaped structures 2 arranged closely in sequence along a first direction are provided on the other side of the substrate 1 opposite to the one side, the teeth in any two adjacent groups of the heat dissipation tooth-shaped structures 2 are arranged alternately in sequence along a second direction, and the first direction and the second direction are two mutually perpendicular directions.

[0033] Please refer to Figure 1 The heat dissipation tooth-shaped structure 2 includes a plurality of tooth-shaped parts connected in sequence, wherein the tooth-shaped parts include an inverted U-shaped tooth 21 and a U-shaped tooth 22, wherein the inverted U-shaped tooth 21 and the U-shaped tooth 22 are connected to form a complete tooth-shaped part, and a plurality of the tooth-shaped parts are connected to form a wavy heat dissipation tooth-shaped structure 2, and the inverted U-shaped teeth 21 and the U-shaped teeth 22 in each group of the heat dissipation tooth-shaped structures 2 are staggered one by one with the corresponding inverted U-shaped teeth 21 and the U-shaped teeth 22 in the adjacent heat dissipation tooth-shaped structures 2.

[0034] Please refer to Figure 3 and Figure 4 The inverted U-shaped teeth 21 in each group of the heat dissipation tooth-shaped structures 2 and the corresponding inverted U-shaped teeth 21 in the adjacent heat dissipation tooth-shaped structures 2 are arranged in a manner of staggered half U-shaped teeth 22, and the U-shaped teeth 22 in each group of the heat dissipation tooth-shaped structures 2 and the corresponding U-shaped teeth 22 in the adjacent heat dissipation tooth-shaped structures 2 are arranged in a manner of staggered half U-shaped teeth 22.

[0035] The inverted U-shaped teeth 21 and the U-shaped teeth 22 have the same structure and size, and are both thin metal sheets bent into a U shape.

[0036] The inverted U-shaped teeth 21 and the U-shaped teeth 22 are both made of aluminum alloy.

[0037] To sum up, the utility model provides a thick film heating plate, including a substrate, a screen-printed layer is provided on one side surface of the substrate, and a plurality of groups of heat dissipation tooth-shaped structures arranged closely in sequence along a first direction are provided on the other side surface opposite to the one side surface of the substrate, and the teeth in any two adjacent groups of heat dissipation tooth-shaped structures are staggered in sequence along a second direction. The design of the tooth-shaped staggered structure can increase the contact area between the coolant and the substrate, take away more heat, and increase the heat transfer effect; and the design of the tooth-shaped staggered structure can also ensure that the coolant in the first cavity does not flow directly through the cavity, but is continuously disturbed by the tooth-shaped staggered structure, and the coolant is broken up, so that no bubbles are generated during its flow, thereby improving the service life and stability of the product.

[0038] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A thick film heating plate, characterized in that: It includes a substrate, a screen-printed layer is provided on one side of the substrate, and a plurality of groups of heat dissipation tooth-shaped structures arranged closely in sequence along a first direction are provided on the other side of the substrate opposite to the one side, and the teeth in any two adjacent groups of the heat dissipation tooth-shaped structures are arranged alternately in sequence along a second direction, and the first direction and the second direction are two mutually perpendicular directions.

2. The thick film heating plate according to claim 1, characterized in that: The heat dissipation tooth-shaped structure includes a plurality of tooth-shaped parts connected in sequence, wherein the tooth-shaped parts include an inverted U-shaped tooth and a U-shaped tooth, wherein the inverted U-shaped tooth and the U-shaped tooth are connected to form a complete tooth-shaped part, and a plurality of the tooth-shaped parts are connected to form a wavy heat dissipation tooth-shaped structure, and the inverted U-shaped teeth and U-shaped teeth in each group of the heat dissipation tooth-shaped structures are staggered one by one with the corresponding inverted U-shaped teeth and U-shaped teeth in the adjacent heat dissipation tooth-shaped structures.

3. The thick film heating plate according to claim 2, characterized in that: The inverted U-shaped teeth in each group of the heat dissipation tooth-shaped structures and the corresponding inverted U-shaped teeth in the adjacent heat dissipation tooth-shaped structures are arranged in a manner of staggered half U-shaped teeth, and the U-shaped teeth in each group of the heat dissipation tooth-shaped structures and the corresponding U-shaped teeth in the adjacent heat dissipation tooth-shaped structures are arranged in a manner of staggered half U-shaped teeth.

4. The thick film heating plate according to claim 2, characterized in that: The inverted U-shaped teeth and the U-shaped teeth have the same structure and size, and are both metal sheets bent into a U shape.

5. The thick film heating plate according to claim 4, characterized in that: The inverted U-shaped teeth and the U-shaped teeth are both made of aluminum alloy.

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