CN209710348U - A kind of high-power tubulose ptc heater - Google Patents

Abstract

The utility model relates to a kind of high-power tubulose ptc heaters comprising: ring flange and the parallel at least two groups PTC heating tube for being fixed on the ring flange.PTC heating tube includes PTC heating component, and is nested in the heat carrier and outer housing of the PTC heating component from inside to outside.PTC heating component is by PTC heating sheet, and the first insulating film, metal foil, the second insulating film that are wrapped up from inside to outside PTC heating sheet are constituted.So, its own structural strength is substantially increased.In addition, being provided with multiple groups PTC heating tube parallel with one another in the technical program, influence of the self-radiating to its power ascension is reduced, is conducive to the operating power for promoting ptc heater.

Description

A kind of high-power tubulose ptc heater

Technical field

The utility model relates to ptc heater technical field, in particular to a kind of high-power tubulose ptc heater.

Background technique

Ptc heater and traditional heating wire, electrothermal tube, Far-infrared quartz heater are compared, and have temperature automatically controlled, use Voltage range is wide, and the flames of anger, securely and reliably, the advantages that service life is long.Based on above-mentioned advantage, ptc heater is more and more widely Applied to water heating art, such as swimming pool.There is biggish heat dissipation thermal resistances for existing ptc heater on the market at present, seriously The promotion of own power is restrict, the waiting time for carrying out water heating is extended, in addition, the structural strength of ptc heater itself It is poor, it is not suitable for the application of the public arenas such as swimming pool.Thus, it would be highly desirable to technical staff solves the above problems.

Utility model content

The technical problem to be solved by the present invention is to provide a kind of designs of structure simply, and heating speed is fast, is suitble to application In public arena, and high-power tubulose ptc heater safe to use.

In order to solve the above-mentioned technical problem, the utility model relates to a kind of high-power tubulose ptc heaters comprising: Ring flange and the parallel at least two groups PTC heating tube for being fixed on the ring flange.PTC heating tube includes PTC heating component, Yi Jiyou Heat carrier and outer housing interior and that be nested in the PTC heating component outside.PTC heating component is by PTC heating sheet, and from inside to outside The first insulating film, metal foil, the second insulating film wrapped up PTC heating sheet is constituted.

Compared to traditional PTC pipe heater, use bilayer sleeve design method (i.e. mentioned above to be successively arranged In the heat carrier and outer housing of PTC heating component), substantially increase its own structural strength.In addition, be provided at least two groups, And PTC heating tube parallel with one another, influence of the self-radiating to its power ascension is reduced, is conducive to promote ptc heater Operating power.

Gap is provided between heat carrier and outer housing as a further improvement of the utility model, and in gap Filled with heat-conducting medium.

In the actual production process of ptc heater, in order to guarantee assembly go on smoothly it is required that heat carrier it is outer Shape size is slightly smaller than the outer dimension of outer housing, therefore in inevitably gap and shadow between the two after the assembly is completed Ring heat-conductive characteristic.It is configured by using above-mentioned technical proposal, before ensuring heat carrier and outer housing assembly convenience It puts, effectively improves the heat-conductive characteristic of the two.

Gap control is in 0.05~0.65mm as a further improvement of the utility model,.

Heat-conducting medium is conductive powder or conduction oil as a further improvement of the utility model,.

Conductive powder or the conduction oil coefficient of heat conduction with higher, it is even more important that both there is mobility, be convenient for Filling is gone on smoothly after the completion of the assembly process of heat carrier and outer housing.

Sealed silicone is provided at the both ends of heat carrier as a further improvement of the utility model,.

It is configured by using above-mentioned technical proposal, improves the waterproof seal of PTC heating component, provided using peace Full performance.

The width of monolithic PTC heating sheet is not less than 14mm as a further improvement of the utility model, and length is not less than 25mm.The spread length of PTC heating sheet is not less than 200mm.

It is configured by using above-mentioned technical proposal, compared to traditional ptc heater, is built in the technical program PTC No matter PTC heating sheet in heater from width, length or its overall alignment length has carried out larger design, thus It provides convenience condition for the promotion of the operating power of ptc heater.

PTC heating tube described in two groups carries out independently-powered respectively as a further improvement of the utility model,.

It being configured by using above-mentioned technical proposal, two groups of PTC heating tubes are independently powered, even if one group therein It breaks down, being normally carried out for another set PTC heating tube work will not be influenced, improve the reliability of its heating.

Heat carrier is square aluminium tube as a further improvement of the utility model,.Outer housing is rectangular stainless steel tube.

Aluminum pipe use rectangular tube, convenient for being adapted with the shape of PTC heating sheet, reduce PTC heating component itself with therebetween Gap, as far as possible raising heat conduction efficiency.And outer housing is configured the corrosion resistant that PTC heating tube itself can be improved using stainless steel Corrosion makes it preferably be suitable for water technical field of heating.

Outer housing and ring flange are fixed using welding manner as a further improvement of the utility model,.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of high-power tubulose ptc heater in the utility model.

Fig. 2 is the A-A cross-sectional view of the high-power tubulose ptc heater of the utility model.

Fig. 3 is the I partial enlarged view in Fig. 2.

Fig. 4 is the structural schematic diagram of PTC heating component in the high-power tubulose ptc heater of the utility model.

Fig. 5 is the assembling schematic diagram of ring flange and ptc heater in the high-power tubulose ptc heater of the utility model.

1- ring flange；2-PTC heating tube；21-PTC heating component；211-PTC heating sheet；The first insulating film of 212-；213- Metal foil；The second insulating film of 214-；22- heat carrier；23- outer housing；3- heat-conducting medium；4- sealed silicone；5- electrode.

Specific embodiment

Combined with specific embodiments below, the content of the utility model is described in further detail, Fig. 1, Fig. 2, Fig. 5 points The structural schematic diagram of high-power tubulose ptc heater, A-A cross-sectional view and assembling schematic diagram in the utility model are not shown, Its two groups of PTC heating tube 2 that the ring flange 1 is fixed on by ring flange 1, in parallel and the electrode for being set to 2 tail portion of PTC heating tube Several parts such as 5 are constituted.PTC heating tube 2 includes PTC heating component 21, and is nested in the PTC heating component 21 from inside to outside Heat carrier 22 and outer housing 23 (as shown in Figure 3).PTC heating component 21 is by PTC heating sheet 211, and from inside to outside to PTC The first insulating film 212 that heating sheet 211 is wrapped up, metal foil 213, the second insulating film 214 constitute (as shown in Figure 4).It is logical It crosses and is configured by adopting the above technical scheme, substantially increase its own structural strength.In addition, disclosed in the technical program Ptc heater is provided with two groups of PTC heating tubes 2 independently generated heat, and reduces self-radiating to the shadow of its power ascension It rings, is conducive to the operating power for promoting ptc heater.It should be noted that PTC heating tube 2 is set as two in addition to above-mentioned Group, can also design according to structure and the needs of operating power are set and are set as three groups, four groups etc..

In the actual production process of ptc heater, in order to guarantee the going on smoothly it is required that heat carrier 22 of assembly Outer dimension is slightly smaller than the outer dimension of outer housing 23, therefore in inevitably gap between the two after the assembly is completed And heat-conductive characteristic is influenced, to solve the above-mentioned problems, it can fill in the gap between heat carrier 22 and outer housing 23 and lead Thermal medium 3, to improve the heat transfer efficiency between heat carrier 22 and outer housing 23.Consider from craftsmanship, above-mentioned heat-conducting medium 3 is excellent Select conductive powder or conduction oil etc. that there is the heat-conducting medium of mobility.From the point of view of practical production experience, heat carrier 22 and outer housing 23 Between gap preferably control in 0.05~0.65mm, be not only convenient for the realization of manufacturing process, and it is with higher between the two The coefficient of heat conduction.

Furthermore it can also be respectively provided with sealed silicone 4 at the both ends of heat carrier 22, to improve the waterproofness of ptc heater Can, its safety in utilization is provided.

In general, when the tubulose ptc heater is applied to the large capacities such as swimming pool heating occasion, existing size is set Meter is no longer satisfied the needs quickly heated, for this purpose, having carried out the following size increase to it: the width of monolithic PTC heating sheet 211 Degree is not less than 14mm, and length is not less than 25mm.And the spread length of all PTC heating sheets 211 is not less than 200mm.

Furthermore in order to improve the reliability of above described tubular ptc heater work, each PTC heating tube 2 carries out independent confession respectively Electricity.

Finally, heat carrier 22 is preferably square aluminium tube.Outer housing 23 is preferably rectangular stainless steel tube, and it is excellent with ring flange Choosing is fixed using welding manner

The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with features of novelty.

Claims (9)

1. a kind of high-power tubulose ptc heater, comprising: ring flange and the parallel at least two groups for being fixed on the ring flange and Mutually independent PTC heating tube, which is characterized in that the PTC heating tube includes PTC heating component, and nested from inside to outside In the heat carrier and outer housing of the PTC heating component；The PTC heating component is by PTC heating sheet, and from inside to outside to institute The first insulating film, metal foil, the second insulating film that PTC heating sheet is wrapped up is stated to constitute.

2. high-power tubulose ptc heater according to claim 1, which is characterized in that in the heat carrier and described outer It is provided with gap between shell, and is filled with heat-conducting medium in the gap.

3. high-power tubulose ptc heater according to claim 2, which is characterized in that gap control 0.05~ 0.65mm。

4. high-power tubulose ptc heater according to claim 2, which is characterized in that the heat-conducting medium is conductive powder Or conduction oil.

5. high-power tubulose ptc heater according to claim 1, which is characterized in that equal at the both ends of the heat carrier It is provided with sealed silicone.

6. high-power tubulose ptc heater according to claim 1, which is characterized in that the width of PTC heating sheet described in monolithic Degree is not less than 14mm, and length is not less than 25mm；The spread length of the PTC heating sheet is not less than 200mm.

7. high-power tubulose ptc heater according to claim 1, which is characterized in that the difference of PTC heating tube described in two groups It carries out independently-powered.

8. high-power tubulose ptc heater described in any one of -7 according to claim 1, which is characterized in that the heat carrier For square aluminium tube；The outer housing is rectangular stainless steel tube.

9. high-power tubulose ptc heater according to claim 8, which is characterized in that the outer housing and the flange Disk is fixed using welding manner.