Corrosion-resistant PTC heater

Abstract

The utility model relates to the technical field of PTC (Positive Temperature Coefficient) heaters, and discloses a corrosion-resistant PTC heater, which comprises six metal heat conductors, one end of each metal heat conductor is provided with a fixing ring, the inner wall of each fixing ring is provided with six groups of first connecting plates, the inner walls of the first connecting plates are in threaded connection with first connecting bolts, and the first connecting bolts are in threaded connection with the inner walls of the first connecting plates. The six first connecting bolts are in threaded connection with the six metal heat conductors, and the other ends of the metal heat conductors are provided with the installation assemblies. According to the utility model, the metal heat conductor is connected with the outside through the mounting assembly, and the connecting block can stably slide in the rectangular groove through the sliding block and the sliding groove in the mounting assembly, so that the connecting block can be butted with pipelines with different sizes for connection, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PTC heater equipment, and particularly relates to a PTC heater with corrosion resistance. Background Technique

[0002] A PTC heater is a heating device using a positive temperature coefficient material. The PTC material has the characteristic that its resistance increases with the rise of temperature, which enables the PTC heater to automatically limit the temperature and prevent overheating, thus providing a safe and reliable heating effect.

[0003] In the prior art, the PTC heater is connected to an external connector through a fixed flange. However, when connecting to different connecting pipes, it is necessary to remove multiple bolts to replace the corresponding flange for connection, which is rather troublesome and cannot conveniently and quickly cope with the installation of different pipes. Content of the Utility Model

[0004] The purpose of the utility model is to provide a PTC heater with corrosion resistance to solve the problems put forward in the above background technique.

[0005] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0006] The utility model is a PTC heater with corrosion resistance, including a metal heat conductor. The number of the metal heat conductors is fixed at six. One end of the metal heat conductor is provided with a fixing ring, and six groups of first connecting plates are installed on the inner wall of the fixing ring. The inner walls of the first connecting plates are all threadedly connected with first connecting bolts, and the six first connecting bolts are threadedly connected with the six metal heat conductors. The other end of the metal heat conductor is installed with an installation component.

[0007] Further, the installation component includes a connection disk. Six groups of rectangular grooves are formed on the outer surface of the connection disk, and sliding grooves are formed on both sides of the inner wall of each rectangular groove.

[0008] Further, connection blocks are arranged inside the rectangular grooves.

[0009] Further, sliding blocks are fixedly installed on both sides of the connection block, and the sliding blocks are slidably connected with the sliding grooves.

[0010] Further, connection grooves are formed on the upper surfaces of the connection blocks.

[0011] Further, a plurality of terminal mounting plates are fixedly installed on the inner wall of the connection disk, and a plurality of second connecting plates are fixedly installed on the inner wall of the connection disk. The inner walls of the second connecting plates are all threadedly connected with second connecting bolts, and the second connecting bolts are threadedly connected with the metal heat conductors.

[0012] The utility model has the following beneficial effects:

[0013] (1) The utility model connects the metal heat conductor with the outside through the installation component. The slider and chute in the installation component ensure the smooth sliding of the connecting block in the rectangular groove, so that the connecting block can conveniently dock pipes of different sizes for connection, improving the practicability.

[0014] Of course, it is not necessary for any product implementing the utility model to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following will briefly introduce the drawings required for describing the embodiments. Obviously, the drawings in the following description are only some embodiments of the utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 Schematic diagram of one side of the overall structure of the utility model;

[0017] Figure 2 Schematic diagram of the other side of the overall structure of the utility model;

[0018] Figure 3 For the utility model Figure 2 Enlarged schematic diagram of structure A;

[0019] Figure 4 Schematic diagram of the structure of the installation component of the utility model;

[0020] Figure 5 Schematic diagram of the structure of the connecting block of the utility model;

[0021] In the drawings, the list of components represented by each reference numeral is as follows:

[0022] In the figure: 1, metal heat conductor; 2, fixing ring; 201, first connecting plate; 202, first connecting bolt; 3, installation component; 301, connecting disk; 302, rectangular groove; 303, chute; 304, connecting block; 305, slider; 306, connecting groove; 4, terminal installation plate; 5, second connecting plate; 6, second connecting bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] Please refer to Figure 1 - Figure 5 As shown, the present invention is a PTC heater with corrosion resistance, including a metal heat conductor 1. The number of the metal heat conductors 1 is fixed at six. One end of the metal heat conductor 1 is provided with a fixing ring 2. Six groups of first connecting plates 201 are installed on the inner wall of the fixing ring 2. First connecting bolts 202 are threadedly connected to the inner walls of the first connecting plates 201. The six first connecting bolts 202 are threadedly connected to the six metal heat conductors 1. The other end of the metal heat conductor 1 is installed with an installation component 3;

[0025] The installation component 3 includes a connecting disk 301. Six groups of rectangular grooves 302 are formed on the outer surface of the connecting disk 301. Both sides of the inner wall of the rectangular groove 302 are provided with sliding grooves 303;

[0026] Connecting blocks 304 are respectively arranged inside the rectangular grooves 302;

[0027] Sliding blocks 305 are fixedly installed on both sides of the connecting block 304. The sliding blocks 305 are slidably connected with the sliding grooves 303.

[0028] Connecting grooves 306 are formed on the upper surfaces of the connecting blocks 304;

[0029] The metal heat conductor 1 is connected to the outside through the installation component 3. The sliding blocks 305 and the sliding grooves 303 in the installation component 3 ensure that the connecting block 304 slides smoothly in the rectangular groove 302, so that the connecting block 304 can be docked with pipes of different sizes for connection, improving the practicability;

[0030] A plurality of terminal block mounting plates 4 are fixedly installed on the inner wall of the connecting disk 301. A plurality of second connecting plates 5 are fixedly installed on the inner wall of the connecting disk 301. Second connecting bolts 6 are threadedly connected to the inner walls of the second connecting plates 5. The second connecting bolts 6 are threadedly connected to the metal heat conductor 1;

[0031] The metal heat conductor 1, the fixing ring 2, the installation component 3, the terminal block mounting plate 4, the second connecting plate 5 and the second connecting bolt 6 are all made of stainless steel materials to ensure the long-term stable operation of the heater in a harsh environment and prevent the heating efficiency from being reduced or safety problems from being caused due to corrosion.

[0032] In use, first, through six metal heat conductors 1 as heat conduction paths, the heat generated by the PTC element is evenly distributed. One end of the multiple metal heat conductors 1 is fixed to the fixing ring 2 through the first connecting plate 201 and the first connecting bolt 202. The other end is connected to the connecting disc 301 through the second connecting plate 5 and the second connecting bolt 6 and is connected to the metal heat conductor 1, so as to install the installation component 3 on the metal heat conductor 1. Then, the metal heat conductor 1 is connected to the outside through the installation component 3. The slider 305 and the chute 303 in the installation component 3 ensure that the connecting block 304 slides smoothly in the rectangular groove 302, so that the connecting block 304 can be docked with pipes of different sizes for connection, improving the practicability. The terminal mounting plate 4 is used to mount the terminals to realize the connection of the external power supply. The metal heat conductor 1, the fixing ring 2, the installation component 3, the terminal mounting plate 4, the second connecting plate 5 and the second connecting bolt 6 are all made of stainless steel materials to ensure the long-term stable operation of the heater in harsh environments and prevent the reduction of heating efficiency or the occurrence of safety problems due to corrosion.

[0033] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principle and practical application of the present invention, so that those skilled in the relevant technical field can understand and utilize the present invention well. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A corrosion-resistant PTC heater, comprising a metal heat conductor (1), characterized in that: The number of the metal heat conductors (1) is fixed at six. A fixing ring (2) is provided at one end of the metal heat conductor (1). Six groups of first connecting plates (201) are installed on the inner wall of the fixing ring (2). The inner walls of the first connecting plates (201) are all threadedly connected with first connecting bolts (202). The six first connecting bolts (202) are threadedly connected to the six metal heat conductors (1). The other end of the metal heat conductor (1) is installed with a mounting assembly (3).

2. The corrosion-resistant PTC heater according to claim 1, characterized in that: The mounting assembly (3) comprises a connection plate (301), the outer surface of the connection plate (301) is provided with six groups of rectangular grooves (302), and both sides of the inner wall of the rectangular groove (302) are provided with sliding grooves (303).

3. The corrosion-resistant PTC heater according to claim 2, characterized in that: A connecting block (304) is provided inside each of the rectangular grooves (302).

4. The corrosion-resistant PTC heater according to claim 3, characterized in that: Slide blocks (305) are fixedly mounted on both sides of the connection block (304), and the slide blocks (305) are slidably connected to the slide grooves (303).

5. The corrosion-resistant PTC heater according to claim 4, characterized in that: The upper surfaces of the connection blocks (304) are each provided with connection grooves (306).

6. The corrosion-resistant PTC heater according to claim 2, characterized in that: A plurality of terminal mounting plates (4) are fixedly mounted on the inner wall of the connection plate (301), a plurality of second connection plates (5) are fixedly mounted on the inner wall of the connection plate (301), the inner walls of the second connection plates (5) are all threadedly connected with second connection bolts (6), and the second connection bolts (6) are threadedly connected to the metal heat conductor (1).

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