Fixing support of ceramic PTC electric heater

Abstract

The utility model particularly relates to the technical field of electric heaters, and discloses a fixing support of a ceramic PTC electric heater, which comprises a mounting seat and electric heater assemblies, a first notch is arranged in the middle of the mounting seat, each electric heater assembly comprises a plurality of outer frames clamped in the first notch, a second notch is arranged in the middle of each outer frame, and the first notch and the second notch are arranged on the mounting seat. A plurality of heating elements are fixedly arranged on the inner side wall of the second notch at equal intervals, wiring terminals are fixedly arranged at the top ends of the outer frames, and clamping grooves are formed in the top ends of the mounting bases and used for clamping the wiring terminals. According to the outer frame, the mounting base, the first notch, the electric heater assembly, the clamping groove, the first protruding block and the second protruding block are arranged, the first protruding block and the second protruding block are symmetrically distributed so that the first notch can be conveniently separated, the clamping groove sequentially penetrates through the side wall of the mounting base and is communicated with the first notch so that clamping connection can be conveniently achieved, and therefore the convenience of mounting and positioning of the outer frame is improved; therefore, the convenience and the efficiency of assembling the electric heater assembly can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric heaters, in particular to a fixing bracket of a ceramic PTC electric heater. Background Art

[0002] A ceramic PTC heater is a heating device that uses a PTC ceramic heating element as a thermistor. The PTC ceramic heating element is a thermistor and consists of a PTC ceramic heating element and an aluminum tube. This heating element offers low thermal resistance and high heat transfer efficiency, making it an automatic, energy-efficient electric heater. A mounting bracket is required to secure the PTC ceramic heating element and aluminum tube. Ceramic PTC heaters offer a long lifespan, excellent thermal insulation, strong mechanical properties, corrosion resistance, and resistance to magnetic fields. They are commonly used in heating equipment such as hair dryers, dryers, and bathroom heaters.

[0003] When installing existing ceramic PTC electric heaters, several electric heaters need to be connected in series to form a whole to improve the heating energy. The installation and positioning of the ceramic PTC electric heaters are time-consuming and labor-intensive, thus affecting the efficiency of the ceramic PTC electric heater assembly. Utility Model Content

[0004] The utility model provides a fixing bracket for a ceramic PTC electric heater, aiming to solve the problem that during installation of existing ceramic PTC electric heaters, several electric heaters need to be connected in series to form a whole to improve the heating energy, and the installation and positioning of the ceramic PTC electric heaters is time-consuming and labor-intensive, thus affecting the assembly efficiency of the ceramic PTC electric heaters.

[0005] The utility model is implemented as follows: a fixing bracket for a ceramic PTC electric heater comprises a mounting base and an electric heater assembly, a notch 1 being provided in the middle of the mounting base, the electric heater assembly comprising a plurality of outer frames which are clamped in the inside of the notch 1, a notch 2 being provided in the middle of the outer frames, a plurality of heating elements being fixedly provided at equal intervals on the inner side walls of the notch 2, a wiring terminal being fixedly provided at the top end of the outer frame, a card slot for clamping the wiring terminal being provided at the top end of the mounting base, a plurality of protrusions 1 being fixedly provided at equal intervals on the inner top end of the notch 1, and a plurality of protrusions 2 being fixedly provided in sequence on the inner bottom of the notch 1 away from the protrusion 1.

[0006] Preferably, U-shaped brackets are fixedly provided at the four corner positions of the mounting seat, and the mounting seat, U-shaped bracket, bump one and bump two are all made of aluminum alloy and fixedly connected to form an integrated structure, thereby improving the overall stability of the mounting seat.

[0007] Preferably, a limiting frame is fixedly provided on the side wall of the mounting seat, and the limiting frame is U-shaped. Both ends of the limiting frame are threadedly connected to limiting bolts, thereby improving the stability of the outer frame clamping.

[0008] Preferably, two grooves are symmetrically provided on the side walls of the mounting seat, and the internal dimensions of the grooves are adapted to the external dimensions of the limiting frame. Two hole slots 1 are symmetrically provided on the two side walls of the mounting seat close to the grooves. Hole slots 2 are provided at both ends of the limiting frame for threaded connection of the limiting bolt. The internal dimensions of hole slot 2 are the same as those of hole slot 1, thereby improving the convenience of installation and positioning of hole slot 2 and hole slot 1.

[0009] Preferably, two notches three are symmetrically formed on the side walls of several outer frames near the notch two, and both notches three pass through the outer frame to facilitate ventilation.

[0010] Preferably, a heat dissipation mesh is fixed on the inner side wall of the slot three, and the heat dissipation mesh is made of aluminum alloy and is bent, thereby improving the heat dissipation efficiency of the heating element.

[0011] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0012] First, by providing a mounting seat, slot one, an electric heater assembly, a card slot, protrusion one and protrusion two, protrusion one and protrusion two are symmetrically distributed to facilitate the separation of slot one, and the card slot passes through the side wall of the mounting seat in sequence and is connected to slot one for easy card connection, thereby improving the convenience of installation and positioning of the outer frame, thereby improving the convenience and efficiency of assembly of the electric heater assembly; secondly, by providing a limit frame, a limit bolt and a groove, the limit frame is U-shaped and adapted to the internal size of the groove, which improves the convenience of installation and positioning of the limit frame, and the limit frame can limit the outer frame from sliding out of slot one, thereby improving the stability of the outer frame card connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view three-dimensional structural schematic diagram of the utility model.

[0014] Figure 2 This is a schematic diagram of the front three-dimensional structure of the mounting base of the present invention.

[0015] Figure 3 This is a schematic diagram of the front three-dimensional structure of the limiting frame of the present invention.

[0016] Figure 4 This is a schematic diagram of the front three-dimensional structure of the electric heater assembly of the present invention.

[0017] The figures are marked as follows: 1. Mounting seat; 2. Slot 1; 3. Electric heater assembly; 301. Outer frame; 302. Slot 2; 303. Terminal block; 304. Heating element; 305. Slot 3; 306. Heat dissipation mesh; 4. Slot; 5. Bump 1; 6. Limiting frame; 7. Limiting bolt; 8. U-shaped bracket; 9. Bump 2; 10. Groove; 11. Hole slot 1; 12. Hole slot 2. DETAILED DESCRIPTION

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of the application are only for the purpose of describing specific embodiments and are not intended to limit this application. The terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0019] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0020] See also Figure 1-4The embodiment of the utility model provides: a fixing bracket of a ceramic PTC electric heater, comprising a mounting base 1 and an electric heater assembly 3, a notch 2 is provided in the middle of the mounting base 1, and a U-shaped bracket 8 is fixed at each of the four corners of the mounting base 1, the mounting base 1, the U-shaped bracket 8, the protrusion 1 5 and the protrusion 2 9 are all made of aluminum alloy and fixedly connected to form an integrated structure, thereby improving the overall stability of the mounting base 1, and the outer surfaces of the mounting base 1, the U-shaped bracket 8, the protrusion 1 5 and the protrusion 2 9 are all coated with insulating paint to prevent leakage. The heater assembly 3 includes a plurality of outer frames 301 that are snap-fitted into the interior of the slot 1 2. The outer surfaces of the outer frames 301 are coated with insulating paint. A slot 2 302 is provided in the middle of the outer frame 301. A plurality of heating elements 304 are fixed to the inner side wall of the slot 2 302 by gluing at equal intervals for heating. The top of the outer frame 301 is fixed with a terminal 303. The terminal 303 is connected to the heating element 304 in turn through an electric wire for convenient power supply. The side walls of the plurality of outer frames 301 near the slot 2 302 are provided with a plurality of heating elements 304. There are two symmetrical slots 305 on the top, and the two slots 305 are through the outer frame 301 for ventilation. The surface of the outer frame 301 is coated with insulating paint to prevent leakage. The inner wall of the slot 305 is fixed with a heat dissipation mesh 306. The heat dissipation mesh 306 is made of aluminum alloy and is bent, which improves the heat dissipation efficiency of the heating element 304. The top of the mounting base 1 is provided with a card slot 4 for the terminal 303 to be connected. The terminal 303 is used to connect the external wire for power supply. The inner top of the slot 2 is evenly spaced and fixed with several There are a plurality of protrusions 5, and a plurality of protrusions 2 9 are fixed in sequence on the inner bottom of the notch 2 away from the protrusion 5. The protrusions 1 5 and the protrusions 2 9 are symmetrically distributed to facilitate the separation of the notch 2. The card slot 4 passes through the side wall of the mounting base 1 in sequence and is connected with the notch 2. The internal dimensions of the notch 2 and the card slot 4 are adapted to the external dimensions of the outer frame 301 and the terminal 303 in sequence, thereby improving the installation and positioning accuracy of the outer frame 301 and the terminal 303, thereby improving the convenience and efficiency of assembling the outer frame 301 and the notch 3 305.

[0021] A limit frame 6 is fixedly provided on the side wall of the mounting seat 1. The limit frame 6 is U-shaped, and both ends of the limit frame 6 are threadedly connected to the limit bolt 7. The limit frame 6 can limit the outer frame 301 from sliding out of the slot 2, thereby improving the stability of the clamping of the outer frame 301. Two grooves 10 are symmetrically provided on the side wall of the mounting seat 1. The internal dimensions of the grooves 10 are adapted to the external dimensions of the limit frame 6. Two hole slots 11 are symmetrically provided on the two side walls of the mounting seat 1 close to the grooves 10. Hole slots 2 12 are provided at both ends of the limit frame 6 for threaded connection with the limit bolt 7. Hole slot 2 12 has the same internal dimensions as hole slot 11, thereby improving the convenience of installation and positioning of hole slot 2 12 and hole slot 11.

[0022] Working principle: When using the fixing bracket of this ceramic PTC electric heater, the operator first snaps the outer frame 301 into the inside of the slot 2 in sequence. The protrusion 1 5 and the protrusion 2 9 divide the slot 2 into equal intervals to improve the installation and positioning accuracy of the outer frame 301. The inside of the slot 2 and the card slot 4 are connected. The internal dimensions of the slot 2 and the card slot 4 are adapted to the external dimensions of the outer frame 301 and the terminal 303 in sequence, thereby improving the installation and positioning accuracy of the electric heater assembly 3. The U-shaped bracket 8 is then fixed with bolts to realize the installation of the electric heater assembly 3. The terminal 303 is connected to the heating element 304 with a connecting wire. When the power is turned on, the heating element 304 generates heat, and the heat is transferred to the outer frame 301 and the heat dissipation mesh 306 in sequence, thereby increasing the heat dissipation efficiency of the heating element 304.

[0023] Secondly, the limit frame 6 is clamped inside the groove 10 to improve the positioning accuracy of hole groove 11 and hole groove 2 12, and then the two limit bolts 7 are threadedly connected to the inside of hole groove 2 12 and hole groove 1 11 in sequence, so that the limit frame 6 limits the displacement of the outer frame 301, thereby further improving the stability of the clamping of the outer frame 301.

[0024] It should be noted that for the aforementioned embodiments, for simplicity of description, they are all expressed as a series of action combinations. However, those skilled in the art should be aware that the present invention is not limited by the order of the actions described, because according to the present invention, certain steps may be performed in other orders or simultaneously. Secondly, those skilled in the art should also be aware that the embodiments described in this specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

[0025] In the several embodiments provided in this application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely illustrative, such as the division of the above-mentioned units. In actual implementation, there may be other division methods, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the coupling or communication connection between each other shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunications or other forms.

[0026] The units described above as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0027] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the present invention. Obviously, the embodiments described are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making any creative work are within the scope to be protected by the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making any creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also fall within the scope to be protected by the present invention.

Claims

1. A fixing bracket for a ceramic PTC electric heater, characterized in that: The utility model comprises a mounting seat (1) and an electric heater assembly (3): a slot 1 (2) is provided in the middle of the mounting seat (1), the electric heater assembly (3) comprises a plurality of outer frames (301) which are clamped in the inside of the slot 1 (2), a slot 2 (302) is provided in the middle of the outer frames (301), a plurality of heating elements (304) are fixedly provided at equal intervals on the inner side wall of the slot 2 (302), a connection terminal (303) is fixedly provided at the top end of the outer frames (301), a clamping slot (4) is provided at the top end of the mounting seat (1) for clamping the connection terminal (303), a plurality of protrusions 1 (5) are fixedly provided at equal intervals on the inner top end of the slot 1 (2), and a plurality of protrusions 2 (9) are fixedly provided in sequence on the inner bottom of the slot 1 (2) away from the protrusion 1 (5).

2. The fixing bracket of a ceramic PTC electric heater according to claim 1, characterized in that: U-shaped brackets (8) are fixedly provided at the four corner positions of the mounting seat (1); the mounting seat (1), the U-shaped bracket (8), the first protrusion (5) and the second protrusion (9) are all made of aluminum alloy and are fixedly connected to form an integrated structure.

3. The fixing bracket of a ceramic PTC electric heater according to claim 2, characterized in that: A limiting frame (6) is fixedly provided on the side wall of the mounting seat (1), the limiting frame (6) is U-shaped, and both ends of the limiting frame (6) are threadedly connected to the limiting bolt (7).

4. The fixing bracket for a ceramic PTC electric heater according to claim 3, characterized in that: Two grooves (10) are symmetrically provided on the side walls of the mounting seat (1), and the internal dimensions of the grooves (10) are adapted to the external dimensions of the limiting frame (6). Two hole grooves (11) are symmetrically provided on the two side walls of the mounting seat (1) near the grooves (10), and hole grooves (12) are provided at both ends of the limiting frame (6) for threaded connection with the limiting bolt (7), and the internal dimensions of the hole grooves (12) and the hole grooves (11) are the same.

5. The fixing bracket of a ceramic PTC electric heater according to claim 1, characterized in that: Two notches three (305) are symmetrically formed on the side walls of the plurality of outer frames (301) close to the notch two (302), and the two notches three (305) both pass through the outer frame (301).

6. The fixing bracket for a ceramic PTC electric heater according to claim 5, characterized in that: The inner side walls of the slot three (305) are all fixedly provided with heat dissipation meshes (306), and the heat dissipation meshes (306) are all made of aluminum alloy and are bent.

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