High-strength PTC liquid heating pipe

Abstract

The utility model relates to the technical field of liquid heating, in particular to a high-strength PTC (Positive Temperature Coefficient) liquid heating pipe, which comprises a PTC bracket, a reinforcing component is arranged on the surface of the PTC bracket, and the reinforcing component is used for increasing the structural strength of the PTC bracket; the reinforcing assembly is composed of bosses, medium flowing grooves and rib parts, the number of the bosses is six, heating element containing cavities are formed in the positions, located on the bosses, of the surface of the PTC support, PTC heating elements are adhered to the interiors of the heating element containing cavities through solid glue, and the PTC heating elements are fixedly connected with the PTC support through screws. According to the PTC liquid heating pipe, the heating effect is improved through simultaneous heating of the multiple PTC heating pieces, the local thickness of the PTC support is increased through interaction of the bosses and the rib portions, and therefore the structural strength of the PTC support in use is improved, and the phenomenon that the PTC liquid heating pipe is damaged in use is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid heating, in particular to a high-strength PTC liquid heating tube. Background Art

[0002] PTC liquid heating tube is an automatic constant temperature, energy-saving electric heater, which has the advantages of small thermal resistance and low energy consumption. At present, PTC liquid heating tube has been widely used in SPA pools, entertainment pools, water dispensers, foot baths and other home appliances and other industrial products.

[0003] The existing PTC liquid heating tube has poor structural strength during use and is easily damaged after long-term use, thereby affecting the safety of the PTC liquid heating tube when in use; and the existing PTC liquid heating tube has an unsatisfactory heating effect, which brings great trouble to people's use. Utility Model Content

[0004] The utility model aims to provide a high-strength PTC liquid heating tube to solve the problem that the existing PTC liquid heating tube has poor structural strength and unsatisfactory heating effect as mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-strength PTC liquid heating tube, comprising a PTC bracket, the surface of the PTC bracket is provided with a reinforcing component, the reinforcing component is used to increase the structural strength of the PTC bracket; the reinforcing component is composed of a boss, a medium flow groove and a rib portion, the boss is provided in six groups, and the angle between adjacent bosses is sixty degrees, and the six groups of bosses are integrally injection-molded on the outer wall of the PTC bracket; a heating element placement cavity is provided on the surface of the PTC bracket and at the position of the boss, and the inside of the heating element placement cavity is adhered with a PTC heating element by solid glue, and the PTC heating element is fixedly connected to the PTC bracket by screws, and the PTC heating element is used for heating work when the liquid flows.

[0006] Preferably, the material of the PTC bracket is 6063 aluminum, and a medium flow groove is provided inside the PTC bracket, and the diameter of the medium flow groove is 65 mm. The medium flow groove is used for the flow of 50% concentration ethylene glycol solution or water.

[0007] Preferably, twelve groups of ribs are arranged inside the medium flow groove, the thickness of the ribs is 3.1 mm, and the angle between adjacent ribs is thirty degrees. At the same time, the twelve groups of ribs are integrally injection-molded on the inner wall of the PTC bracket.

[0008] Preferably, the PTC heating element is composed of a PTC heating sheet, a conductive sheet, an insulating film and a wire, and the conductive sheet is adhered to the surface of the PTC heating sheet by means of colloid.

[0009] Preferably, the surfaces of the conductive sheet and the PTC heating sheet are wrapped with an insulating film, and the insulating film is used for insulation when the PTC heating element is in use.

[0010] Preferably, the ends of the PTC heating sheet and the conductive sheet are also connected with wires, and the wires are used for connecting the PTC heating element to electricity.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the high-strength PTC liquid heating tube is provided with a reinforcing component and a PTC heating element, the PTC heating element is inserted into the interior of the heating element placement cavity, and then the two ends are sealed with solid glue, and then the PTC heating element and the PTC bracket are fixed with screws, and after the fixing is completed, the two ends of the PTC liquid heating tube are docked with the tube body with the heating medium, and after docking, the multiple groups of PTC heating sheets in the PTC heating element are used for heating, so as to realize the heating of the 50% concentration ethylene glycol solution or water and other media inside the medium flow groove, and the multiple PTC heating sheets generate heat at the same time to increase the heating effect; when the PTC liquid heating tube is used, the overall structural strength is increased by the reinforcing component, and when the reinforcing component is implemented, the boss cooperates with the rib part to interact and increase the local thickness of the PTC bracket, thereby improving the structural strength of the PTC bracket when in use, and avoiding the damage of the PTC liquid heating tube when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional appearance structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0014] Figure 3 It is a side-view enlarged structural schematic diagram of the utility model;

[0015] Figure 4 It is a partial enlarged structural schematic diagram of the utility model;

[0016] Figure 5 It is a schematic diagram of the cross-sectional structure of the PTC heating element of the utility model.

[0017] In the figure: 1. PTC bracket; 2. reinforcement component; 21. boss; 22. medium flow groove; 23. rib portion; 3. heating element placement cavity; 4. PTC heating element; 41. PTC heating sheet; 42. conductive sheet; 43. insulating film; 44. wire. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. In addition, the terms "first", "second", "third", "upper, lower, left, right", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. At the same time, in the description of the present invention, unless otherwise clearly specified and limited, the terms "connected" and "connected" 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 directly connected or indirectly connected through an intermediate medium. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0019] The utility model provides a high-strength PTC liquid heating tube having a structure as follows Figure 1 , Figure 2 as well as Figure 3 As shown, it includes a PTC bracket 1, and a reinforcing component 2 is arranged on the surface of the PTC bracket 1, and the reinforcing component 2 is used to increase the structural strength of the PTC bracket 1; the reinforcing component 2 is composed of a boss 21, a medium flow groove 22 and a rib 23, and the boss 21 is provided with six groups, and the angle between adjacent bosses 21 is sixty degrees, and the six groups of bosses 21 are integrally injection-molded on the outer wall of the PTC bracket 1, and the material of the PTC bracket 1 is 6063 aluminum. A medium flow groove 22 is also provided inside the PTC bracket 1, and the diameter of the medium flow groove 22 is 65mm. The medium flow groove 22 is used for the flow of 50% concentration ethylene glycol solution or water, and twelve groups of ribs 23 are arranged inside the medium flow groove 22. The thickness of the rib 23 is 3.1mm, and the angle between adjacent ribs 23 is thirty degrees, and the twelve groups of ribs 23 are integrally injection-molded on the inner wall of the PTC bracket 1.

[0020] During implementation, the boss 21 cooperates with the rib 23 to increase the local thickness of the PTC bracket 1, thereby improving the structural strength of the PTC bracket 1 during use and avoiding damage to the PTC liquid heating tube during use.

[0021] Furthermore, if Figure 4 Figure and Figure 5As shown, a heating element placement cavity 3 is provided on the surface of the PTC bracket 1 and at the position of the boss 21, and a PTC heating element 4 is adhered to the interior of the heating element placement cavity 3 by solid glue, and the PTC heating element 4 is fixedly connected to the PTC bracket 1 by screws, and the PTC heating element 4 is used for heating work when the liquid flows. The PTC heating element 4 is composed of a PTC heating sheet 41, a conductive sheet 42, an insulating film 43 and a wire 44. The surface of the PTC heating sheet 41 is adhered with a conductive sheet 42 by colloid, and the surfaces of the conductive sheet 42 and the PTC heating sheet 41 are wrapped with an insulating film 43, and the insulating film 43 is used for insulation work when the PTC heating element 4 is in use, and the ends of the PTC heating sheet 41 and the conductive sheet 42 are also connected to a wire 44, and the wire 44 is used for power connection work of the PTC heating element 4.

[0022] During implementation, the PTC heating element 4 is inserted into the heating element placement cavity 3, and then the two ends are sealed with solid glue, and then the PTC heating element 4 and the PTC bracket 1 are fixed with screws. After the fixation is completed, the two ends of the PTC liquid heating tube are connected to the tube body with the heating medium. After the connection, the conductive sheet 42 in the PTC heating element 4 is used for heating, so as to achieve heating of the 50% concentration ethylene glycol solution or water and other media inside the medium flow groove 22.

[0023] Working principle: When in use, first insert the PTC heating element 4 into the heating element placement cavity 3, then seal the two ends with solid glue, and then fix the PTC heating element 4 and the PTC bracket 1 with screws. After the fixation is completed, the two ends of the PTC liquid heating tube are connected to the tube body with the heating medium. After the connection, the conductive sheet 42 in the PTC heating element 4 is used for heating, so as to achieve heating of the 50% concentration ethylene glycol solution or water and other media inside the medium flow groove 22.

[0024] When the PTC liquid heating tube is in use, the overall structural strength is increased by the reinforcement component 2. When the reinforcement component 2 is implemented, the boss 21 cooperates with the rib 23 to increase the local thickness of the PTC bracket 1, thereby improving the structural strength of the PTC bracket 1 when in use, avoiding damage to the PTC liquid heating tube when in use, and finally completing the use of the PTC liquid heating tube.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A high-strength PTC liquid heating tube, comprising a PTC bracket (1), characterized in that: The surface of the PTC bracket (1) is provided with a reinforcing component (2), and the reinforcing component (2) is used to increase the structural strength of the PTC bracket (1); the reinforcing component (2) is composed of a boss (21), a medium flow groove (22), and a rib portion (23); the boss (21) is provided in six groups, and the angle between adjacent bosses (21) is sixty degrees, and the six groups of bosses (21) are integrally injection-molded on the outer wall of the PTC bracket (1); the surface of the PTC bracket (1) and the position of the boss (21) are all provided with a heating element placement cavity (3), and the interior of the heating element placement cavity (3) is adhered with a PTC heating element (4) by solid glue, and the PTC heating element (4) is fixedly connected to the PTC bracket (1) by screws, and the PTC heating element (4) is used for heating work when liquid flows.

2. A high-strength PTC liquid heating tube according to claim 1, characterized in that: The material of the PTC bracket (1) is 6063 aluminum. A medium flow groove (22) is also provided inside the PTC bracket (1). The diameter of the medium flow groove (22) is 65 mm. The medium flow groove (22) is used for the flow of 50% concentration ethylene glycol solution or water.

3. A high-strength PTC liquid heating tube according to claim 1, characterized in that: Twelve groups of ribs (23) are arranged inside the medium flow groove (22), the thickness of the ribs (23) is 3.1 mm, and the angle between adjacent ribs (23) is thirty degrees. At the same time, the twelve groups of ribs (23) are integrally injection-molded on the inner wall of the PTC bracket (1).

4. A high-strength PTC liquid heating tube according to claim 1, characterized in that: The PTC heating element (4) is composed of a PTC heating sheet (41), a conductive sheet (42), an insulating film (43) and a conductive wire (44); the conductive sheet (42) is adhered to the surface of the PTC heating sheet (41) by means of colloid.

5. A high-strength PTC liquid heating tube according to claim 4, characterized in that: An insulating film (43) is wound around the surfaces of the conductive sheet (42) and the PTC heating sheet (41), and the insulating film (43) is used for insulation work when the PTC heating element (4) is in use.

6. A high-strength PTC liquid heating tube according to claim 5, characterized in that: The ends of the PTC heating sheet (41) and the conductive sheet (42) are also connected to a wire (44), and the wire (44) is used for connecting the PTC heating element (4) to electricity.

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