CN210868188U

CN210868188U - High leakproofness PTC heater

Info

Publication number: CN210868188U
Application number: CN201922125681.5U
Authority: CN
Inventors: 何超兵; 何华英
Original assignee: Ganzhou Chaohua Technology Co ltd
Current assignee: Ganzhou Chaohua Technology Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-06-26
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a high-sealing PTC heater, which comprises a hollow aluminum shell, a PTC ceramic heating element is arranged in the hollow aluminum shell, a radiating fin is fixedly connected with the outer side of the hollow aluminum shell, the left end of the hollow aluminum shell and the radiating fin is provided with a left end fixing seat, the left end fixing seat and the radiating fin are fixedly connected through a screw, the right end of the radiating fin is fixedly connected with a right end fixing seat through another screw, the utility model is provided with a positioning groove, the position of the hollow aluminum shell is convenient to be positioned, the hollow aluminum shell is convenient to be connected with the right end fixing seat, the connection firmness is improved, the PTC heater is convenient to be fixed through the design of a mounting seat and a mounting hole, the structure is simple, the use is convenient, the sealing property in the hollow aluminum shell is enhanced, the potential safety hazard is formed, the damage or the electric leakage of, the wire penetrating groove is further sealed, and the high sealing performance of the PTC heater is ensured by the multi-sealing design.

Description

High leakproofness PTC heater

Technical Field

The utility model belongs to the technical field of heater equipment, concretely relates to high leakproofness PTC heater.

Background

The PTC heater consists of a PTC ceramic heating element and an aluminum pipe, has the advantages of small thermal resistance and high heat exchange efficiency, is an automatic constant-temperature and power-saving electric heater, and is characterized in that the surface of the electric heating pipe heater does not turn red under any application condition on the aspect of safety performance, so that potential safety hazards such as scalding, fire and the like are caused.

The PTC heater is convenient to design, can be designed from low power to high power at will, can be designed according to requirements in appearance, does not burn, and is high in safety, so that the PTC heater is widely used on air conditioners, dehumidifiers, dryers, bath heaters and other equipment, the PTC heater cannot be contacted with water in working occasions, but the existing PTC heater is only coated with sealant in gaps, the sealing performance is poor, and water and gas easily enter the PTC heater, so that potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high leakproofness PTC heater to solve current PTC heater and only scribbled sealed glue in gap department, sealing performance is relatively poor, in the aqueous vapor easily gets into the PTC heater, cause the problem of potential safety hazard.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high leakproofness PTC heater, includes hollow aluminum shell, be provided with PTC pottery piece that generates heat in the hollow aluminum shell, hollow aluminum shell outside fixedly connected with fin, hollow aluminum shell and fin left end are provided with the left end fixing base, screw fixed connection is passed through to left end fixing base and fin, the fin right-hand member outside is through another screw fixed connection right-hand member fixing base.

Preferably, the constant head tank has been seted up to right-hand member fixing base left end, hollow aluminum shell right-hand member is connected for the block with the constant head tank, the threading groove that link up mutually with the constant head tank is seted up to right-hand member fixing base right-hand member, left end fixing base and right-hand member fixing base are U type structure, and the inboard opening width of left end fixing base and right-hand member fixing base equals the width of fin.

Preferably, the right end of the PTC ceramic heating element is fixedly connected with a lead-out wire, the lead-out wire penetrates through the threading groove to extend outwards, sealant is arranged in the threading groove, and the sealant is silicone sealant.

Preferably, the outer side of the outgoing line is fixedly connected with a rubber sleeve, the left end of the rubber sleeve is connected with the right end fixing seat, the outer side of the rubber sleeve is fixedly connected with a heat-shrinkable sleeve, and the heat-shrinkable sleeve is a PET heat-shrinkable sleeve.

Preferably, the annular groove that the equidistance distributes is seted up to the constant head tank inboard, fixedly connected with sealing washer in the annular groove, the sealing washer is connected for the block with hollow aluminum shell.

Preferably, the equal fixedly connected with mount pad in left end fixing base and the right-hand member fixing base outside, all seted up the mounting hole on the mount pad.

Compared with the prior art, the utility model, following beneficial effect has:

1. the utility model discloses set up the constant head tank, be convenient for fix a position hollow aluminum casing's position, be convenient for hollow aluminum casing and right-hand member fixing base between be connected, and improve the fastness of connecting, through the design of mount pad and mounting hole, the convenience is fixed simple structure, convenient to use to the PTC heater.

2. The utility model discloses set up annular groove and sealing washer, strengthened the inside leakproofness of hollow aluminum hull, in avoiding the aqueous vapor to get into hollow aluminum hull, formed the potential safety hazard, caused PTC heater to damage or leak electricity, improved the security of using.

3. The utility model discloses the design of rubber sleeve and heat shrink sleeve pipe is passed through in the setting, further sealed to the threading inslot, and the high leakproofness of PTC heater is ensured to multiple sealed design, improves the security performance of PTC heater when using greatly.

Drawings

Fig. 1 is a top view of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is an enlarged schematic view of A in FIG. 1 according to the present invention;

fig. 4 is an enlarged schematic structural diagram of B in fig. 1 according to the present invention.

In the figure: 1-hollow aluminum shell, 2-PTC ceramic heating element, 3-radiating fin, 4-left end fixing seat, 5-screw, 6-right end fixing seat, 7-positioning groove, 8-threading groove, 9-outgoing line, 10-sealant, 11-rubber sleeve, 12-heat shrinkage sleeve, 13-annular groove, 14-sealing ring, 15-mounting seat and 16-mounting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a high leakproofness PTC heater, includes hollow aluminum casing 1, is provided with PTC pottery piece 2 that generates heat in hollow aluminum casing 1, and hollow aluminum casing 1 outside fixedly connected with fin 3, and hollow aluminum casing 1 and the 3 left ends of fin are provided with left end fixed seat 4, and left end fixed seat 4 and fin 3 pass through screw 5 fixed connection, and the 3 right-hand members of fin outside is through another screw 5 fixedly connected with right-hand member fixing base 6.

In order to fix hollow aluminum shell 1's position, ensure the normal use of lead-out wire 9 simultaneously, in this embodiment, preferably, constant head tank 7 has been seted up to 6 left ends of right-hand member fixing base, hollow aluminum shell 1 right-hand member is connected for the block with constant head tank 7, the threading groove 8 that link up mutually with constant head tank 7 is seted up to 6 right-hand member fixing base right-hand members, left end fixing base 4 and right-hand member fixing base 6 are U type structure, and the inboard opening width of left end fixing base 4 and right-hand member fixing base 6 equals the width of fin 3.

In order to ensure the sealing performance in the threading groove 8 and avoid that the moisture enters the threading groove 8 to cause the leakage or the damage of the PTC ceramic heating element 2, in the embodiment, preferably, the right end of the PTC ceramic heating element 2 is fixedly connected with the outgoing line 9, the outgoing line 9 passes through the threading groove 8 to extend outwards, the sealing glue 10 is arranged in the threading groove 8, and the sealing glue 10 is silicone sealing glue.

In order to further enhance the sealing effect on the threading slot 8 and ensure the waterproof sealing performance between the threading slot 8 and the outgoing line 9, in the embodiment, preferably, a rubber sleeve 11 is fixedly connected to the outer side of the outgoing line 9, the left end of the rubber sleeve 11 is connected to the right end fixing seat 6, a heat shrinkable sleeve 12 is fixedly connected to the outer side of the rubber sleeve 11, and the heat shrinkable sleeve 12 is a PET heat shrinkable sleeve.

In order to strengthen the leakproofness between hollow aluminum shell 1 and constant head tank 7, in this embodiment, preferably, the annular groove 13 that the equidistance distributes is seted up to constant head tank 7 inboard, fixedly connected with sealing washer 14 in the annular groove 13, and sealing washer 14 is connected for the block with hollow aluminum shell 1.

In order to facilitate the installation and the fixation of the PTC heater, in the embodiment, preferably, the mounting seat 15 is fixedly connected to the outer sides of the left end fixing seat 4 and the right end fixing seat 6, and the mounting hole 16 is formed in the mounting seat 15.

The utility model discloses a theory of operation and use flow: when in use, the sealing ring 14 is fixed in the annular groove 13 at the inner side of the positioning groove 7, the PTC ceramic heating element 2 is inserted from the right end of the hollow aluminum shell 1 and is connected with the left end fixing seat 4 at the left end of the radiating fin 3 through the screw 5, then the lead-out wire 9 at the right end of the PTC ceramic heating element 2 is led out from the threading groove 8 in the right end fixing seat 6, the right end of the hollow aluminum shell 1 is inserted into the positioning groove 7 at the left end of the right end fixing seat 6, the outer side of the hollow aluminum shell 1 is connected with the inner side of the sealing ring 14 in a clamping way, then the right end of the radiating fin 3 is connected with a right end fixing seat 6 through another screw 5, then the thread trough 8 is filled with sealant 10, and the rubber sleeve 11 and the heat shrinkable sleeve 12 are sleeved outside the outgoing line 9, so that the left ends of the rubber sleeve 11 and the heat shrinkable sleeve 12 are attached to the right end fixing seat 6, and finally the PTC heater is fixed at a proper position through the mounting hole 16 on the mounting seat 15.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high leakproofness PTC heater, includes hollow aluminum casing (1), its characterized in that: be provided with PTC pottery piece (2) that generates heat in hollow aluminum shell (1), hollow aluminum shell (1) outside fixedly connected with fin (3), hollow aluminum shell (1) and fin (3) left end are provided with left end fixing base (4), screw (5) fixed connection is passed through to left end fixing base (4) and fin (3), fin (3) right-hand member outside is through another screw (5) fixedly connected with right-hand member fixing base (6).

2. A high-sealability PTC heater according to claim 1, wherein: constant head tank (7) have been seted up to right-hand member fixing base (6) left end, hollow aluminum shell (1) right-hand member is connected for the block with constant head tank (7), threading groove (8) that link up mutually with constant head tank (7) are seted up to right-hand member fixing base (6) right-hand member, left end fixing base (4) and right-hand member fixing base (6) are U type structure, and the inboard opening width of left end fixing base (4) and right-hand member fixing base (6) equals the width of fin (3).

3. A high-sealability PTC heater according to claim 2, wherein: PTC pottery generates heat piece (2) right-hand member fixedly connected with lead-out wire (9), lead-out wire (9) pass through threading groove (8) and outwards extend, be provided with sealed glue (10) in threading groove (8), sealed glue (10) are sealed for silicone.

4. A high-sealability PTC heater according to claim 3, wherein: the outer side of the outgoing line (9) is fixedly connected with a rubber sleeve (11), the left end of the rubber sleeve (11) is connected with a right end fixing seat (6), the outer side of the rubber sleeve (11) is fixedly connected with a heat shrinkage sleeve (12), and the heat shrinkage sleeve (12) is a PET heat shrinkage sleeve.

5. A high-sealability PTC heater according to claim 2, wherein: annular groove (13) that the equidistance distributes are seted up to constant head tank (7) inboard, fixedly connected with sealing washer (14) in annular groove (13), sealing washer (14) are connected for the block with hollow aluminum shell (1).

6. A high-sealability PTC heater according to claim 1, wherein: the equal fixedly connected with mount pad (15) in left end fixing base (4) and right-hand member fixing base (6) outside, mounting hole (16) have all been seted up on mount pad (15).