CN218772471U

CN218772471U - Anticorrosive high-safety insulating PTC heating assembly

Info

Publication number: CN218772471U
Application number: CN202222987537.4U
Authority: CN
Inventors: 李云奎
Original assignee: SHANGHAI ZIYU ELECTRONIC CERAMICS CO Ltd
Current assignee: SHANGHAI ZIYU ELECTRONIC CERAMICS CO Ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-03-28
Anticipated expiration: 2032-11-09

Abstract

The application relates to PCT firing equipment technical field especially relates to an insulating PTC heating element of anticorrosive high security, and it includes PTC heating member and anticorrosive shell, the PTC heating member is located anticorrosive shell's inside, be connected with two piece at least electrode slice lead wires on the PTC heating member, the electrode slice lead wire is followed anticorrosive shell's opening part leads to the external world, anticorrosive shell's opening part sealing treatment. The PTC heater has the effect of improving the corrosion resistance of the PTC heater.

Description

Anticorrosive high-safety insulating PTC heating assembly

Technical Field

The application relates to the technical field of PCT heating equipment, in particular to an anti-corrosion high-safety insulating PTC heating assembly.

Background

The PTC heater is composed of a PTC ceramic heating element and an aluminum shell, has the advantages of small thermal resistance and high heat exchange efficiency, and is an automatic constant-temperature and electricity-saving electric heater.

The utility model discloses a chinese utility model patent that current application number is CN201721395031.7 discloses a PTC heating rod, including two at least parallel connection's PTC heating plate, parallel connection the PTC heating plate has relative first surface and second surface, the first electrode piece of one deck that tiles on the first surface, the second one deck second electrode piece that tiles on the surface, first electrode piece the PTC heating plate with the second electrode piece forms laminated structure, laminated structure's surface reaches sealed parcel insulating layer all around, wraps up the insulating layer laminated structure arranges in the aluminum hull.

When the heater works in a solution with high corrosivity, the flowing solution flows through the aluminum shell of the heater, the aluminum shell is easily corroded and electrolyzed, the service life of the aluminum shell in the solution is shortened, and even electronic elements in the aluminum shell are corroded in severe cases, so that electric leakage accidents are caused.

SUMMERY OF THE UTILITY MODEL

In order to improve the corrosion resistance of the PTC heater, the application provides an insulating PTC heating element of anticorrosive high security.

The application provides an insulating PTC heating element of anticorrosive high security adopts following technical scheme:

the utility model provides an insulating PTC heating element of anticorrosive high security, includes PTC heating member and anticorrosive shell, the PTC heating member is located the inside of anticorrosive shell, be connected with two piece at least electrode slice leads on the PTC heating member, the electrode slice lead is followed the opening part of anticorrosive shell leads to the external world, the opening part sealing treatment of anticorrosive shell.

Through adopting above-mentioned technical scheme, establish anticorrosive shell in the outside cover of PTC heating member to seal anticorrosive shell's opening, avoid the PTC heating member direct and corrosive solution contact, thereby improve PTC heating element's life.

Optionally, an insulating sleeve is arranged between the PTC heating element and the anticorrosive shell, the insulating sleeve is arranged on the outer side of the PTC heating element, the ports at the two ends of the insulating sleeve are sealed, and the PTC heating element is located in the insulating sleeve.

Through adopting above-mentioned technical scheme, insulating ways cover is located behind the PTC heating member outside, carries out both ends again and seals, when PTC heating member self takes place the short circuit and punctures built-in insulation system, can lead to heating member whole to become the conductor, causes the potential safety hazard, and the insulating cover that sets up can carry out the secondary isolation to this to cause the interference to external environment after preventing PTC heating member short circuit.

Optionally, the opening of the anticorrosion shell is filled with sealant.

By adopting the technical scheme, the filled sealant can be used for sealing the opening of the anticorrosion shell.

Optionally, the corrosion-resistant housing is provided with at least two openings, and a distance is reserved between the two openings.

Through adopting above-mentioned technical scheme, set up two openings on anticorrosive shell at least to carry out sealed injection of gluing in the multi-angle is to anticorrosive shell, improve the closely knit degree of filling to each angle of anticorrosive shell inner space.

Optionally, the inside wall of the anticorrosion casing is provided with a positioning flange, the outside wall of the PTC heating element is provided with a positioning chute, and the positioning flange is slidably connected in the positioning chute.

Through adopting above-mentioned technical scheme, the location spout that sets up on the location flange that anticorrosive shell set up and the PTC heating member cooperatees to in-process counterpoint is established to both in the cover, the assembly of being convenient for.

Optionally, the PTC heating element includes a housing, a heating element disposed in the housing, and an insulating sealing structure wrapping the heating element, and an opening of the housing is sealed.

Through adopting above-mentioned technical scheme, PTC heating member realizes through heating element that electric energy conversion is internal energy, and the seal structure that sets up carries out insulating seal to heating element and handles to improve the security of PTC heating member heating process in.

Optionally, the insulating sealing structure includes an insulating layer wrapping the heating assembly and a port seat arranged at the opening of the housing, the electrode plate lead passes through the port seat and is in butt joint with the heating assembly, the insulating layer, the port seat and the electrode plate lead form an insulating closed space wrapping the heating assembly, a sealing sleeve is further fixedly arranged on the port seat, the sealing sleeve is sleeved on the electrode plate lead, and the port seat is plugged at the opening of the housing.

By adopting the technical scheme, the port seat is arranged to provide positioning for the electrode plate lead, and the electrode plate lead, the insulating layer and the port seat form an insulating and sealing environment for wrapping the heating assembly, so that the safety is improved by heating in the insulating environment.

Optionally, the anticorrosion shell is provided with a grounding hole, and the grounding hole is communicated with the inner space of the anticorrosion shell and the outside.

By adopting the technical scheme, the arranged grounding hole can be grounded through a peripheral grounding wire, so that an installation foundation is provided for extra safety setting.

In summary, the present application at least includes the following beneficial technical effects:

1. the anti-corrosion shell is arranged on the outer side of the PTC heating element, so that the corrosive solution is prevented from directly contacting the PTC heating element, and the service life of the PTC heating element in the corrosive solution is prolonged;

2. set up insulating cover between PTC heating member and anticorrosive shell to when the short circuit breakdown appears in the PTC heating member, provide the protection to external environment, improve the security.

3. The insulating cover both ends that set up can seal the processing to after PTC heating member is located to its cover, and at installation anticorrosive shell, seal the processing again, directly scribble the mode of establishing the insulating cover of shaping for the tradition, this kind of mode can carry out the independent production of part, carries out the adaptation installation again, has improved production efficiency.

Drawings

FIG. 1 is an assembly view of an embodiment of the present application.

Fig. 2 is a schematic diagram of an embodiment of the present application.

Description of reference numerals:

1. a PTC heating element; 11. a housing; 12. an insulating seal structure; 121. an insulating layer; 122. a port seat; 123. sealing the sleeve; 13. an electrode sheet; 14. a PCT thermistor; 2. an anticorrosive outer shell; 3. electrode plate leads; 4. an insulating sleeve; 5. a positioning flange; 6. positioning the chute; 7. and a ground hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses insulating PTC heating element of anticorrosive high security.

Referring to fig. 1 and 2, an anticorrosive high-safety insulated PTC heating assembly includes a PTC heating element 1 and an anticorrosive case 2.

PTC heating member 1 includes shell 11, sets up heating element and parcel heating element's insulating seal structure 12 in shell 11, and shell 11 is the rectangle of transversal personally submitting, wholly is rectangular tube-shape, and its both ends opening sets up, and heating element includes two relative electrode slices 13 that set up, and two electrode slices 13 are established ties jointly and are provided with same PCT thermistor 14, and two electrode slices 13 all are connected with an electrode slice lead wire 3 respectively.

Insulating seal structure 12 includes parcel heating element's insulating layer 121 and sets up in the port seat 122 of 11 openings of a shell, the shape and the 11 opening looks adaptations of shell of port seat 122, two electrode slice lead wires 3 all pass same port seat 122 butt joint heating element, insulating layer 121, port seat 122 and electrode slice lead wire 3 three form parcel heating element's insulating airtight space, still fixed sealing sleeve 123 that is provided with on the port seat 122, sealing sleeve 123 overlaps on locating electrode slice lead wire 3, port seat 122 stopper to the opening part of shell 11, and insulating layer 121 tightly supports in the 11 inside walls of shell, it is sealed that the opening is realized through sealed glue that shell 11 does not pass through electrode slice lead wire 3.

PTC heating member 1 is located anticorrosive shell 2's inside, and anticorrosive shell 2 is both ends open-ended tube-shape, and its inner space and 11 shape looks adaptations of shell, and anticorrosive shell 2's inside wall is provided with positioning flange 5 along its length direction, and shell 11 is provided with location spout 6 along its length direction in its outside, and positioning flange 5 sliding connection is in location spout 6.

Still be provided with insulating cover 4 between PTC heating member 1 and anticorrosive shell 2, the outside of PTC heating member 1 is located to insulating cover 4 cover, the both ends port plastic envelope of insulating cover 4, and PTC heating member 1 is located insulating cover 4, and both hug closely.

The electrode plate lead 3 is led to the outside from an opening of the anticorrosion shell 2, the opening of the anticorrosion shell 2 is filled with sealant for sealing treatment, and the insulating sleeve 4 is positioned in a closed space formed by the anticorrosion shell 2 and the sealant sealed at two ends of the anticorrosion shell.

The side which does not pass through the electrode lead 3 can be sealed and filled by the sealant, and at one end through which the electrode lead 3 passes, the opening of the end of the anticorrosion casing 2 can be sealed by adapting the shape of the part of the port seat 122 and the anticorrosion casing 2, and the two can also be arranged at the same time.

Two grounding holes 7 are formed in the anticorrosive shell 2, and the grounding holes 7 are communicated with the inner space and the outside of the anticorrosive shell 2.

The implementation principle of the insulating PTC heating element of anticorrosive high security of this application embodiment is: carry out the during operation as for having the solution of corrosivity with the PTC heating element of this application, keep apart corrosive solution and PTC heating member 1 through anticorrosive shell 2, prevent both direct contact in order to play the anticorrosion effect, it heats corrosive solution through heating element is indirect at the in-process of work.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an insulating PTC heating element of anticorrosive high security which characterized in that: including PTC heating element (1) and anticorrosive shell (2), PTC heating element (1) is located the inside of anticorrosive shell (2), be connected with two piece at least electrode slice (13) leads on PTC heating element (1), electrode slice (13) lead wire is followed the opening part of anticorrosive shell (2) leads to the external world, the opening part sealing treatment of anticorrosive shell (2).

2. An anti-corrosion high safety insulated PTC heating assembly according to claim 1, wherein: PTC heating member (1) with be provided with insulating cover (4) between anticorrosive shell (2), insulating cover (4) cover is located the outside of PTC heating member (1), the both ends port of insulating cover (4) seals the processing, PTC heating member (1) is located in insulating cover (4).

3. An anti-corrosion high safety insulating PTC heating assembly according to claim 1 or claim 2, wherein: and sealant is filled at the opening of the anticorrosion shell (2).

4. An anti-corrosion high safety insulated PTC heating assembly according to claim 3, wherein: at least two openings are formed in the anti-corrosion shell (2), and a distance is reserved between the two openings.

5. An anti-corrosion high safety insulated PTC heating assembly according to claim 1, wherein: the inside wall of anticorrosive shell (2) is provided with location flange (5), the lateral wall of PTC heating member (1) is provided with location spout (6), location flange (5) sliding connection in location spout (6).

6. An anti-corrosion high safety insulated PTC heating assembly according to claim 1, wherein: PTC heating member (1) include shell (11), set up in heating element and parcel heating element's in shell (11) insulating seal structure (12), the opening part sealing treatment of shell (11).

7. An anti-corrosion high safety insulated PTC heating assembly according to claim 6, wherein: the insulating sealing structure (12) comprises an insulating layer (121) wrapping a heating assembly and a port seat (122) arranged at an opening of the shell (11), a lead of the electrode plate (13) penetrates through the port seat (122) to be in butt joint with the heating assembly, the insulating layer (121), the port seat (122) and the lead of the electrode plate (13) form an insulating closed space wrapping the heating assembly, a sealing sleeve (123) is fixedly arranged on the port seat (122), the sealing sleeve (123) is sleeved on the lead of the electrode plate (13), and the port seat (122) is plugged at the opening of the shell (11).

8. An anti-corrosion high safety insulated PTC heating assembly according to claim 1, wherein: the anti-corrosion shell (2) is provided with a grounding hole (7), and the grounding hole (7) is communicated with the inner space of the anti-corrosion shell (2) and the outside.