CN207196908U

CN207196908U - A kind of ptc heater

Info

Publication number: CN207196908U
Application number: CN201721093926.5U
Authority: CN
Inventors: 王之岳
Original assignee: Oriental Recreational Products Shanghai Co Ltd
Current assignee: Oriental Recreational Products Shanghai Co Ltd
Priority date: 2017-08-29
Filing date: 2017-08-29
Publication date: 2018-04-06
Anticipated expiration: 2027-08-29

Abstract

A kind of ptc heater is the utility model is related to, including：Ptc heater (1), it includes：Heat carrier (2), PTC heating units (5), end cap (6), water inlet connector (7), water outlet connector (8).At least one pipeline (3), at least two fluid flow paths (4) are set inside heat carrier (2), pipeline (3) is arranged between adjacent fluid flow paths (4), and fluid flow paths (4) have water inlet and delivery port.PTC heating units (5) are arranged among pipeline (3).End cap (6) is arranged on the end of heat carrier (2), and for connecting the water inlet and delivery port of adjacent fluid flow paths (4).

Description

A kind of ptc heater

Technical field

A kind of liquid heater is the utility model is related to, more particularly to a kind of ptc heater.

Background technology

Current outdoor activity is liked that market product is also more and more by more and more crowds.As a kind of emerging Amusement and recreation product, message bathtub are gradually entered in daily life.With the increasingly improvement of quality of life, use Functional Requirement more and more higher of the person to message bathtub.At the same time, energy-saving and emission-reduction think that the whole mankind's is primary as this period Task, it is desirable to which people reduce distribute heat as far as possible in heating equipment is made.Existing message bathtub electric cabinet uses PTC more There are various defects in heater, cause wave as its heating system in existing PTC water circuit system and calandria Take, to the greenhouse effects of the earth and the quickening of rhythm of life, bring negative impact.

For example, patent document 1 (CN204739758U) discloses a kind of ptc heater, the heater include heat carrier 1, First end cap 3, the second end cap 4, PTC heating element heaters 2, heat carrier 1 be internally provided with pipeline 11, the first fluid flow paths 12 with And second liquid circulation passage 13；First end cap 3 is fixedly connected with one end of heat carrier 1, its be provided with the first compartment, second every Between, end cap water inlet and end cap delivery port；End cap water inlet communicates with the first compartment and the first fluid flow paths 12, and end cap goes out The mouth of a river communicates with the second compartment and second liquid circulation passage 13；Second end cap 4 is fixedly connected with the other end of heat carrier 1, the One fluid flow paths 12 and second liquid circulation passage 13 communicate with each other via the inner space of second end cap 4, with This forms a closed liquid circulation channel；PTC heating element heaters 2 are arranged among the pipeline 11 of heat carrier 1, liquid by End cap water inlet enters ptc heater, then flows sequentially through the first fluid flow paths 12, the second end cap 4, second liquid circulation Passage 13, finally flowed out by end cap delivery port.However, for the ptc heater, its liquid heating procedure is short, and liquid adds The hot time is short, when required fluid temperature is higher, then to greatly improve PTC heater element powers, and in this case, PTC Heating element heater can dissipate amount of heat, and cause heat waste, further, due to the second liquid circulation passage by different layers There is notable difference in the fluid temperature of 13 outflows, thus must pass through the mistake of mixing before liquid is discharged by end cap delivery port Journey, and cold and hot liquids can produce substantial amounts of heat in mixed process and dissipate, thus its PTC efficiency of heating surface is not high.

And patent document 2 (CN204404504U) discloses a kind of ptc heater for jacuzzi.The PTC is heated Device includes upper shell 4, lower house 5, stud 12, pad 13, nut 14 and heating component 1 etc..Heating component 1 is placed on upper casing Behind the installation position of body 4 and lower house 5, further heating component 1 is fixed on by nut mounting hole with stud 12 and nut 14 On upper shell 4 and lower house 5.It is internally formed heating water cavity 15 after upper shell 4 and lower house 5 combine；Heating component 1 is located at water Inside chamber 15, and the both ends of heating component 1 are placed on the installation position that upper shell 4 and lower house 5 are opened up.The utility model In, heater is built in the water cavity of heater completely, and the heating surface (area) (HS of heater is utilized completely, thus is added with higher The thermal efficiency, however, for the ptc heater of the type, because heater is built in the water cavity of heater completely, and heated Water contain the impurity such as calcium ion, thus in use for some time, its calandria surface will necessarily form substantial amounts of incrustation scale, and After thicker incrustation scale is formed, its efficiency of heating surface can drastically decline.Further, because it up and down can be by plastic injection knot Structure, after some time of use, in the feelings that deforming easily occurs in the position that upper shell 4, lower house 5 contact with calandria Condition, the water finally resulted in water cavity is excessive, causes to leak electricity.

Therefore it provides a kind of using reliable, and the high ptc heater of the efficiency of heating surface turns into this area technology urgently to be resolved hurrily Problem.

Utility model content

In order to solve the above problems, the purpose of this utility model is to provide a kind of ptc heater, and it includes：

Heat carrier, heat carrier inside set at least one pipeline, at least two fluid flow paths, and pipeline is arranged at Between adjacent fluid flow paths, fluid flow paths have water inlet and delivery port；

PTC heating units, PTC heating units are arranged among pipeline；

End cap, end cap are arranged on the end of heat carrier, end cap be used for connect adjacent liquid circulation passage water inlet and Delivery port；

Water inlet connector, water inlet connector are arranged on the end of heat carrier, and liquid adds via water inlet connector into PTC The fluid flow paths of hot device；With

Water outlet connector, water outlet connector are arranged on the end of heat carrier, and liquid adds via water outlet connector outflow PTC Hot device.

Further, water inlet connector and water outlet connector form integral disengaging water assembly.

Further, disengaging water assembly further comprises at least one end cap.

Further, integral disengaging water assembly is formed by way of integrally casting.

Further, water inlet connector and at least one end cap form the first integral end-cap assembly；

Further, water outlet connector and at least one end cap form the second integral end-cap assembly；And the first end cap Component is arranged at one end of heat carrier, and the second end-cap assembly is arranged at the other end of heat carrier.

Further, the inner side of at least one fluid flow paths at least two fluid flow paths is set towards its center Put multiple raised heat transfer guide cards.

Further, the length of PTC heating units is more than the length of pipeline.

Further, the both ends of PTC heating units are protruded from pipeline.

Further, one layer of dielectric film of the outer layer covers of PTC heating units, with the shape between PTC heating units and pipeline Into insulating barrier.

Further, the end of PTC heating units further sets ground wire.

Further, PTC heating units are ceramic heat unit.

Further, end cap further comprises top cover portion, the first sealing ring, connecting portion.

Compared with prior art, the utility model provides ptc heater due to circulation passage of the liquid along different layers Flow and be heated, flow path of the liquid is long, flowing time is also grown, and the power of PTC heating units can set relatively low Also can guarantee that liquid can be heated to higher temperature, power setting obtain it is relatively low in the case of, moreover it is possible to significantly reduce electric leakage Possibility, ensure that ptc heater is reliable using process safety.Due to the mixed process of different temperatures liquid need not be undergone, because And the higher efficiency of heating surface can be obtained.While with the higher efficiency of heating surface, due to ptc heater PTC heating units simultaneously Do not contacted directly with liquid, thus can guarantee that ptc heater has longer service life.

For the above of the present utility model can be become apparent, preferred embodiment cited below particularly, and with reference to accompanying drawing, make Describe in detail as follows.

Brief description of the drawings

Specific embodiment of the present utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is ptc heater stereogram；

Fig. 2 is the top view of ptc heater；

Fig. 3 is the three-dimensional exploded view of ptc heater；

Fig. 4 is the stereogram of the heat carrier of ptc heater；

Fig. 5 is the side view of the heat carrier of ptc heater；

Fig. 6 is the left view of Fig. 2 ptc heater；

Fig. 7 is the right view of Fig. 2 ptc heater；

Fig. 8 is the flow path of the liquid schematic diagram of the ptc heater of first embodiment；.

Component label instructions

1：Ptc heater

2：Heat carrier

3：Pipeline

4：Fluid flow paths

5：PTC heating units

6：End cap

7：Water inlet connector

8：Water outlet connector

9：First end-cap assembly

11：Conduct heat guide card

12：Second sealing ring

13：First screw

14：First sealing ring

15：First bolt

16：Connecting portion

17：Top cover portion

18：Second bolt

Embodiment

Embodiment of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this theory Content disclosed in bright book understands other advantages and effect of the present utility model easily.Although description of the present utility model will tie Close preferred embodiment to introduce together, but this feature for not representing this utility model is only limitted to the embodiment.On the contrary, knot It is to be possible to extend based on claim of the present utility model to cover to close the purpose that embodiment makees utility model introduction The other selections or transformation gone out.Depth of the present utility model is understood in order to provide, will be included in describing below many specific Details.The utility model can also be implemented without using these details.In addition, in order to avoid chaotic or fuzzy of the present utility model heavy Point, some details will be omitted in the de-scription.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can be joined directly together, can also be indirectly connected by intermediary, can be the connection of two element internals.For For one of ordinary skill in the art, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.

" on ", " under ", "left", "right", " top ", " bottom " in addition, used in the following description, should not be construed as pair Limitation of the present utility model.

As shown in figures 1-8, a kind of ptc heater 1, including：Heat carrier 2, PTC heating units 5, end cap 6, water inlet connector 7th, water outlet connector 8.The inside of heat carrier 2 sets at least one pipeline 3, at least two fluid flow paths 4, and pipeline 3 is at least set Put between adjacent fluid flow paths 4, fluid flow paths 4 have water inlet and delivery port.Heat carrier 2 is preferably aluminium Product.PTC heating units 5 are arranged among pipeline 3.End cap 6 is arranged on the end of heat carrier 2, and adjacent for connecting The water inlet and delivery port of fluid flow paths 4, so as to liquid can from adjacent fluid flow paths 4 it is Last go out The mouth of a river enters the water inlet of next fluid flow paths 4 via end cap 6.Water inlet connector 7 is arranged at the end of heat carrier 2 On, liquid enters the fluid flow paths 4 of ptc heater 1 via water inlet connector 7.Water outlet connector 8 is arranged at heat carrier 2 End on, liquid via water outlet connector 8 flow out ptc heater 1.Wherein, although water inlet connector 7 shown in accompanying drawing and going out Water connector 8 is arranged at the different ends of heat carrier 2, but according to the fluid flow paths 4 of setting, the quantity of end cap 6 etc., water inlet connection Connect device 7, water outlet connector 8 may be disposed at same one end of heat carrier 2, the different ends of heat carrier 2 can also be arranged at.Due to via The temperature of liquid after the heating of PTC heating units 5 of the present utility model is homogeneous, thus is not present when different liquids mix and occurs Heat dissipation the problem of, further, after the fluid flow paths 4 of more than three (containing three) are set, the stream of its liquid Path is compared prior art and significantly increased, and flowing time is also elongated, thus the power of PTC heating units 5 can set to obtain phase It also can guarantee that liquid can be heated to higher temperature to relatively low, and it is relatively low due to being obtained in power setting, thus can also significantly drop The possibility of Low dark curient, ensure that ptc heater 1 is reliable using process safety.

As shown in fig. 7, end cap 6 further comprises connecting portion 16, the first sealing ring 14, top cover portion 17.Connecting portion 16 is substantially In U shape, its indent is relative with the corresponding PTC heating units 5 protruded from heat carrier 2, so as to PTC heating units 5 not It can completely be encased by end cap 6, ensure occur under the emergency situations of spilling water, water will not deposit, and the Long Term Contact of PTC heating units 5, Appearance such as is leaked electricity at the accident.The inside of connecting portion 16 sets two parallel passages, one of passage and two adjacent liquid flows Last delivery port in circulation passage 4 connects, next in another passage and two adjacent fluid flow paths 4 Water inlet connects.Also there are two passages inside top cover portion 17, its two passage respectively correspondingly set with the inside of connecting portion 16 Connection, it plays a part of water (flow) direction adjusting 180 degree.Top cover portion 17 sets multiple first close to the periphery at the end of connecting portion 16 Screw 13, the correspondence position of connecting portion 16 are also provided with multiple screws.The first sealing is additionally provided between connecting portion 16 and top cover portion 17 Circle 14, realize and be fitted close by sealing ring.First bolt 15 passes through the first screw 13, and top cover portion 17 is fixed into connecting portion 16, so as to form end cap 6.

Further, the connecting portion 16 of end cap 6 sets the second screw close to the periphery at the end of heat carrier 2.Connecting portion 16 is with leading Second sealing ring 12 is set between hot body 2.Second sealing ring 12 is formed as the shape more slightly larger than fluid flow paths 4.Second spiral shell Second screw of the bolt 18 through connecting portion 16 close to the end of heat carrier 2, end cap 6 is fixed on heat carrier.By means of the second sealing Circle 12, each fluid flow paths 4 are fitted close with the passage of corresponding connecting portion 16.Similarly, water inlet connector 7 and heat conduction The attachment structure between attachment structure, water outlet connector 8 and heat carrier 2 between body 2 is the same as the company between end cap 6 and heat carrier 2 Binding structure is identical, will not be repeated here.

Further, the inner side of at least one fluid flow paths 4 at least two fluid flow paths 4 is towards its center Multiple raised heat transfer guide cards 11 are set.Preferably, the one side setting in fluid flow paths 4 close to PTC heating units 5 is multiple Conduct heat guide card 11.As shown in Figure 3-4, for the fluid flow paths 4 positioned at centre due to all adjacent PTC heating units 5 in two sides, its is right The two sides answered all sets heat transfer guide card 11, and two other fluid flow paths 4 only has one side and is close to PTC heating units 5, and it is only There is one side that heat transfer guide card is set.By setting raised heat transfer guide card 11 to ensure that PTC heating units 5 can be rapidly by warm Amount is delivered to the liquid in passage, improves firing rate.

Further, as Figure 1-3, water inlet connector 7 and at least one end cap 6 form the first integral end-cap assembly 9；And water outlet connector 8 and at least one end cap 6 are not integrally formed；And the first end-cap assembly 9 is arranged at the one of heat carrier 2 End, water outlet connector 8 are arranged at the other end of heat carrier 2.By the way that optionally single spare part and other spare parts are arranged to One can effectively improve the speed of dismounting and assembling, can also simplify the bindiny mechanism between corresponding spare part and heat carrier 2.

Further, the length of PTC heating units 5 is more than the length of pipeline 3.

Further, as shown in Figure 3-4, the both ends of PTC heating units 5 are protruded from pipeline 3.Now, the first end cap group Part 9 corresponds to the opening position of PTC heating units 5 protruded from heat carrier 2 and is provided with recess, consequently facilitating installation PTC heating units 5 Lead, and ensure that liquid downstream is gone out when liquid leakage occurs, without causing to corrode to PTC heating units 5.

Further, the outer layer covers of PTC heating units 5 have one layer of dielectric film (not shown), so as to ensure PTC heating units Insulated between 5 and pipeline 3, under the energization working condition of PTC heating units 5, drain conditions will not occur between heat carrier 2.

Further, PTC heating units 5 set ground wire from the end at the both ends that pipeline 3 protrudes.It is grounded by setting Line, it can be further ensured that electric current will not flow to heat carrier 2.

Further, PTC heating units 5 are ceramic heat unit.

As shown in figure 8, when setting two end caps, after each component assembling of ptc heater 1, the flowing road of liquid Footpath is：4-end cap of fluid flow paths of fluid flow paths 4-end cap, 6-second layer of water inlet 7-first layer of connector The fluid flow paths 4- water outlets connector 8 of 6-third layer (referring to the arrow direction indication of accompanying drawing 8).It is understood that work as When increasing end cap 6 and fluid flow paths 4, the flow path of increased liquid is corresponding end cap 6 and fluid flow paths 4 The length of inner flow passage.

Further, although water inlet connector 7 and water outlet connector 8 in accompanying drawing 1-2 are in the difference of ptc heater 1 Side, it being understood, however, that those skilled in the art can be disposed at the same side of ptc heater 1.Further, Water inlet connector 7 and water outlet connector 8 can combine the disengaging water assembly to form one.

Further, disengaging water assembly further comprises at least one end cap 6.

Further, it is known by those skilled in the art such as one casting or fits in above-mentioned different embodiment/modes Mode form integral component.

Further, the applicable liquid of ptc heater is water.

Although it have been described that example of the present utility model is realized, but it will be understood by those skilled in the art that, many PTC be present The change and deformation of heater, it still falls within the scope of protection of the utility model that appended claim is limited.It should manage Solution, theme defined in the appended claims need not be limited to above-mentioned specific features or action.On the contrary, above-mentioned specific features and Act as the example forms for implementing claim and be revealed.

For example, although accompanying drawing 1-3 illustrate only first for setting water inlet connector 7 and at least one end cap 6 and being integrated End-cap assembly 9, and water outlet connector 8 and at least one end cap 6 and not integrated construction, but those skilled in the art are not Difficulty is expected for water outlet connector 8 and at least one end cap 6 being also configured to the second integral end-cap assembly 10.

For example, although accompanying drawing 1-3 illustrate only the difference that water inlet connector 7 and water outlet connector 8 are arranged to heat carrier 2 Water inlet connector 7 and water outlet connector 8 also reasonably can be arranged at heat carrier 2 by the situation at end, those skilled in the art Same one end., can be respectively by one or more of end caps 6 and other after being respectively provided with multiple end caps 6 in the both sides of heat carrier 2 End cap 6 and/or water inlet connector 7 and/or water outlet connector 8 be arranged to be integrally formed, so as to form component.And further Ground, multi-grade module can be respectively formed.And one or more groups of groups further, can be formed in one end of heat carrier 2 Part, and the end cap 6 of the other end and/or water inlet connector 7 and/or water outlet connector 8 with other spare parts at end with not being integrally formed. Those skilled in the art can integrate the conditions such as size and the fluid flow paths 4 of message bathtub rationally set how to carry out one into The setting of type.

Further, in order to ensure that there is less back pressure during liquid outflow, and made during less liquid outflow simultaneously Into noise, can suitably increase the size of water outlet connector 8, so as to increase the curvature of the passage in water outlet connector 8 Radius, realize the purpose for reducing back pressure.

Further, the mode that can not be connected by screw bolts between top cover portion 6 and connecting portion 16, buckle can also be used Connected etc. mode well known in the art.

To sum up, ptc heater 1 disclosed in the utility model, due to liquid along different layers circulation passage flowing and by Heating, flow path of the liquid is long, flowing time is also grown, and the power of PTC heating units 5 can set relatively low also to can guarantee that Liquid can be heated to higher temperature, power setting obtain it is relatively low in the case of, moreover it is possible to significantly reduce the possibility of electric leakage, protect It is reliable using process safety to demonstrate,prove ptc heater 1.Due to the mixed process of different temperatures liquid need not be undergone, thus can obtain The higher efficiency of heating surface.While with the higher efficiency of heating surface, due to ptc heater 1 PTC heating units 5 not with liquid Body directly contacts, thus can guarantee that ptc heater 1 has longer service life.Above-described embodiment provided by the utility model Only illustrative principle of the present utility model and its effect, not for limitation the utility model.It is any to be familiar with this technology Personage all can carry out modifications and changes without prejudice under spirit and scope of the present utility model to above-described embodiment.Therefore, such as Those of ordinary skill in the art is without departing from spiritual with being completed under technological thought disclosed in the utility model All equivalent modifications or change, should be covered by claim of the present utility model.

Claims

A kind of 1. ptc heater, it is characterised in that including：

Heat carrier, the heat carrier inside set at least one pipeline, at least two fluid flow paths, and the pipeline is at least set Put between the adjacent fluid flow paths, the fluid flow paths have water inlet and delivery port；

PTC heating units, the PTC heating units are arranged among the pipeline；

End cap, the end cap are arranged on the end of the heat carrier, and the end cap is used to connect adjacent liquid circulation passage Water inlet and delivery port；

Water inlet connector, the water inlet connector are arranged on the end of the heat carrier, and the liquid joins via the water inlet Connect the fluid flow paths that device enters the ptc heater；With

Water outlet connector, the water outlet connector are arranged on the end of the heat carrier, and the liquid joins via the water outlet Connect device and flow out the ptc heater.
2. ptc heater according to claim 1, it is characterised in that

The water inlet connector and the water outlet connector form integral disengaging water assembly.
3. ptc heater according to claim 2, it is characterised in that

The disengaging water assembly further comprises at least one end cap.
4. ptc heater according to claim 2, it is characterised in that

The integral disengaging water assembly is formed by way of integrally casting.
5. ptc heater according to claim 1, it is characterised in that

The water inlet connector and at least one end cap form the first integral end-cap assembly；

The water outlet connector and at least one end cap form the second integral end-cap assembly；And

First end-cap assembly is arranged at one end of the heat carrier, and second end-cap assembly is arranged at the heat carrier The other end.
6. according to the ptc heater any one of claim 1-5, it is characterised in that

The inner side of at least one fluid flow paths at least two fluid flow paths is centrally disposed multiple convex towards its The heat transfer guide card risen.
7. ptc heater according to claim 1, it is characterised in that

The length of the PTC heating units is more than the length of the pipeline.
8. ptc heater according to claim 7, it is characterised in that

Protruded from the pipeline at the both ends of the PTC heating units.
9. ptc heater according to claim 8, it is characterised in that

One layer of dielectric film of outer layer covers of the PTC heating units, to be formed between the PTC heating units and the pipeline Insulating barrier.
10. ptc heater according to claim 9, it is characterised in that

The end of the PTC heating units further sets ground wire.
11. ptc heater according to claim 1, it is characterised in that

The PTC heating units are ceramic heat unit.
12. ptc heater according to claim 1, it is characterised in that

The end cap further comprises top cover portion, the first sealing ring, connecting portion, and connecting portion is substantially in U shape, the top cover Described in two passages of respective setting inside portion, connecting portion, a passage of the top cover portion and one of the connecting portion Passage connects, and another described passage of the top cover portion connects with another described passage of the connecting portion.