CN205593158U - PTC concurrent flow heater - Google Patents

PTC concurrent flow heater Download PDF

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Publication number
CN205593158U
CN205593158U CN201620142049.5U CN201620142049U CN205593158U CN 205593158 U CN205593158 U CN 205593158U CN 201620142049 U CN201620142049 U CN 201620142049U CN 205593158 U CN205593158 U CN 205593158U
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China
Prior art keywords
heat exchange
tube
ptc
heater
concurrent flow
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Expired - Fee Related
Application number
CN201620142049.5U
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Chinese (zh)
Inventor
邱庆龄
袁坤
董智勇
康世宁
唐红
冉科
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Wuhan Business University
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Wuhan Business University
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Priority to CN201620142049.5U priority Critical patent/CN205593158U/en
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Publication of CN205593158U publication Critical patent/CN205593158U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a PTC concurrent flow heater, include: divide the liquid pipe, its one end and inlet intercommunication, the collector tube, its one end and liquid outlet intercommunication, a n hybrid tube, arbitrary hybrid tube have first opening and second opening, a n+1 heat exchange tube group, it includes a plurality of flat heat exchange tube parallel and that the interval sets up, is equipped with a set of PTC heating element between 2 arbitrary adjacent flat heat exchange tubes, and wherein, when n=1, two heat exchange tube group's one end is managed with minute liquid respectively and the other end of collector tube communicates, and the other end all communicates with the hybrid tube, work as n> 1 the time, a heat exchange tube group and the 2nd heat exchange tube group's one end is respectively with dividing the other end intercommunication of liquid pipe with the collector tube, a heat exchange tube group and the 2nd heat exchange tube group's the other end respectively with the first opening or the second opening intercommunication of one of them hybrid tube, all the other heat exchange tube group's both ends respectively with two hybrid tubes intercommunications. The utility model discloses a heater heating efficiency is higher, and the delivery port temperature is more stable.

Description

PTC concurrent flow heater
Technical field
This utility model relates to ptc heater technical field.More specifically, to relate to a kind of PTC parallel for this utility model Stream heater.
Background technology
After PTC thermistor energising, self-heating is warmed up to resistance and enters transition district, and its surface temperature will keep steady state value, this temperature Degree is the most relevant with the Curie temperature of PTC thermistor and applied voltage, and the most unrelated with ambient temperature.Common PTC adds Hot device is exactly the heater element utilizing heated at constant temperature PTC thermistor constant temp. warming characteristics design, but due to PTC-element not Can be used directly to add hot liquid, therefore PTC liquid heater uses wall-type heat exchange mostly, i.e. PTC heating element heater is by pipe Road wall carries out heat exchange, and the heat transfer effect of this mode depends on the heat conductivity of material itself, heat-conducting area and currency.
The structure that PTC liquid heater is common at present is heater body (heating chamber) and PTC-element chamber composition, so The problem solving electricity separation heating very well, and heat chamber and employ various structures form, its surface and PTC-element Can not fit more greatly very well in gap, have impact on heat exchange;Because aluminium thermal conductivity ratio copper own is little, in order to increase heat-conducting area and Currency, structure being fabricated to multiple-pass mode more, such flow velocity is fast, heat time heating time is short, needs bigger power, so And the long-time high-temperature heating of metal aluminium is oxidizable, causes heat exchange efficiency to decline, add energy consumption.
Utility model content
A purpose of the present utility model is to solve at least the above, and provides the advantage that at least will be described later.
This utility model it is also an object that provide a kind of PTC concurrent flow heater, by two flat heat exchange tube it Between arrange PTC heating element heater composition heater body, it is achieved electricity separation heat, realize to be heated by multiple mixing tubes The mixing of water and shunting, make water through mixed flow thus improve the stability of heater outlet temperature.
In order to realize according to these purposes of the present utility model and further advantage, it is provided that a kind of PTC concurrent flow heater, Including:
Separating tube, its one end connects with inlet;
Collector tube, its one end connects with liquid outlet;
N mixing tube, for arbitrary mixing tube, it has the first opening and the second opening, and n is oneself more than or equal to 1 So number;
N+1 set of heat exchange tubes, for arbitrary set of heat exchange tubes, it includes parallel and spaced multiple flat heat exchange tube, institute It is provided with the through hole extended along its length in stating flat heat exchange tube, between any 2 adjacent flat heat exchange tube, is provided with one group PTC heating element heater, wherein, as n=1, one end of two set of heat exchange tubes is respectively with the other end of separating tube and collector tube even Logical, the other end all connects with mixing tube;As n > 1 time, one end of the first set of heat exchange tubes connects with the other end of separating tube, One end of two set of heat exchange tubes connects with the other end of collector tube, the of the other end of the first set of heat exchange tubes and one of them mixing tube Second open communication of one open communication, the other end of the second set of heat exchange tubes and one of them mixing tube, remaining set of heat exchange tubes Two ends connect with two mixing tubes respectively;
Described separating tube, collector tube, mixing tube and flat heat exchange tube are red copper material.
Preferably, described PTC concurrent flow heater, the plurality of flat heat exchange tube is arranged at equal intervals.
Preferably, described PTC concurrent flow heater, it is provided with in the plurality of flat heat exchange tube and sets along its width 4 the flat through holes put.
Preferably, described PTC concurrent flow heater, n+1 set of heat exchange tubes be arranged in parallel two-by-two.
Preferably, described PTC concurrent flow heater, one group of PTC heating element heater includes 2 PTC heating element heaters, And the lead-in wire of 2 PTC heating element heaters is inward against setting.
Preferably, described PTC concurrent flow heater, n mixing tube is 3 mixing tubes.
Preferably, described PTC concurrent flow heater, for arbitrary set of heat exchange tubes, it includes 3-5 flat heat exchange tube.
This utility model at least includes following beneficial effect:
Heater structure of the present utility model is simple, it is easy to accomplish industrialized production;
Pipeline used by heater of the present utility model all uses copper, the most oxidizable, durable;
Heater of the present utility model crosses stream heating by concurrent flow multiloop, and heat exchange efficiency is high, only need to arrange and often organize heat exchanger tube In group, the quantity of flat heat exchange tube or the quantity of mixing tube i.e. can realize demand for heat, and apparatus processing is simple, and can be easily Meet the heater of different heating power;
The fluid that heater of the present utility model employs in mixing tube flat heat exchange tube processes through mixed flow so that liquid outlet Temperature is more stable, it is to avoid high temperature is scalded or low temperature is suffered from cold, and provides convenience for consumer.
Part is embodied by further advantage of the present utility model, target and feature by description below, and part also will be by this Research and the practice of utility model and be understood by the person skilled in the art.
Accompanying drawing explanation
Fig. 1 is structural representation during PTC concurrent flow heater n=1 of the present utility model;
Fig. 2 is the structural representation of flat heat exchange tube described in the utility model;
Fig. 3 is structural representation during PTC concurrent flow heater n=3 of the present utility model;
Fig. 4 is the structural representation of PTC heating element heater;
Fig. 5 is the heater body physical dimension schematic diagram used by embodiment one;
Fig. 6 is Section A-A scale diagrams in Fig. 5.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail, to make those skilled in the art with reference to description literary composition Word can be implemented according to this.
It should be noted that experimental technique described in following embodiment, if no special instructions, it is conventional method, described Reagent and material, if no special instructions, the most commercially obtain;In description of the present utility model, term " laterally ", " longitudinally ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", Orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, are for only for ease of description originally Utility model and simplification describe, and are not to indicate or imply that the device of indication or element must have specific orientation, with specific Azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
As shown in figures 1 to 6, this utility model provides a kind of PTC concurrent flow heater, including:
Separating tube 1, its one end connects with inlet;
Collector tube 2, its one end connects with liquid outlet;
N mixing tube 3, for arbitrary mixing tube, it has the first opening and the second opening, and n is more than or equal to 1 Natural number;
N+1 set of heat exchange tubes, for arbitrary set of heat exchange tubes, it includes parallel and spaced multiple flat heat exchange tube 4, Being provided with the through hole extended along its length in described flat heat exchange tube 4, a flat heat exchange tube inner via hole quantity can be 1 Individual, 2,3 or multiple, in flat heat exchange tube as shown in Figure 2, number of openings is 4, any 2 adjacent Be provided with one group of PTC heating element heater 5 between flat heat exchange tube, wherein, as n=1, one end of two set of heat exchange tubes respectively with Separating tube 1 connects with the other end of collector tube 2, and the other end all connects with mixing tube 3, as shown in Figure 1;As n > 1 time, One end of first set of heat exchange tubes connects with the other end of separating tube 1, one end of the second set of heat exchange tubes and the other end of collector tube 2 Connection, the first open communication of the other end of the first set of heat exchange tubes and one of them mixing tube 3, another of the second set of heat exchange tubes End and the second open communication of one of them mixing tube 3, the two ends of remaining set of heat exchange tubes connect with two mixing tubes respectively, as The quantity of the mixing tube shown in Fig. 3 is 3, i.e. n=3;Here the first opening and the second opening for mixing tube, Correspond respectively to the entrance and exit of fluid turnover mixing tube, and any one first opening or the second opening and a heat exchanger tube In group, multiple flat heat exchange tube the same sides all connect, it is meant that the first opening can be to have and multiple flat heat exchange tube quantity one The water holes of one correspondence.
Described separating tube 1, collector tube 2, mixing tube 3 and flat heat exchange tube 4 are red copper material.
In another kind of technical scheme, described PTC concurrent flow heater, the plurality of flat heat exchange tube 4 sets at equal intervals Putting, the spacing between any two flat heat exchange tube can be advisable with the thickness of one PTC heating element heater of clamping, the most permissible Fully carry out heat exchange, reduce heat and scatter and disappear, improve the heater efficiency of heating surface.
In another kind of technical scheme, described PTC concurrent flow heater, it is provided with edge in the plurality of flat heat exchange tube 4 4 flat through holes that its width is arranged.The number of flat heat exchange tube inner via hole quantity is relevant to its efficiency of heating surface, also Relevant to its size, owing to the size of flat heat exchange tube is relevant to the size of PTC heating element heater, so rationally arranging through hole Quantity is favorably improved the efficiency of heating surface of heater.
In another kind of technical scheme, described PTC concurrent flow heater, n+1 set of heat exchange tubes be arranged in parallel two-by-two, So that the heat exchanger tube in heater is in a plane so that heater structure is more compact, it is easy to accomplish system is incubated.
In another kind of technical scheme, described PTC concurrent flow heater, one group of PTC heating element heater includes 2 PTC Heating element heater 5, and the lead-in wire of 2 PTC heating element heaters 5 is inward against setting, so so that multiple PTC heat unit Setting assembled between two parties by the lead-in wire of part, forms the pin interfaces 6 being connected with external power source as shown in Figure 1 so that heater power source Line arrangement advantages of simple.
In another kind of technical scheme, described PTC concurrent flow heater, n mixing tube is 3 mixing tubes 3, as Shown in Fig. 3.
In another kind of technical scheme, described PTC concurrent flow heater, for arbitrary set of heat exchange tubes, it includes 3-5 Individual flat heat exchange tube 4.
PTC liquid heater uses parallel flow tube heat exchanging chamber and PTC-element to collectively constitute heater body, it is achieved water power divides From heating.Heat exchanging chamber uses the many flat heat exchange tube arrays be arrangeding in parallel to arrange, wall thickness 0.5mm;Arrange in adjacent array Flat heat exchange tube between, define PTC-element chamber, flat heat exchange tube and PTC-element can use screw rod to be fixed and clamped, The lead-in wire of PTC-element is arranged in the mid portion of heater body;Import and export and drainage tube is connected with collection separating tube, form stream Body access way;When needs power is bigger, concurrent flow heat exchanger tube can be increased and form compound adding with the quantity of PTC device Hot device main body;Heater body compact conformation, it is easy to accomplish system is incubated.
PTC concurrent flow liquid heater, fluid flows through separating tube successively, hands over PTC-element heat in concurrent flow heat exchanger tube Change, mix in liquid mixing pipe, in concurrent flow heat exchanger tube, again carry out heat exchange, after flow out through collector tube; Liquid is fully contacted with inner-walls of duct, homogeneous heating, can make multiloop flow equalization, and resistance is prone to balance, can meet The requirement of different heating power, and it is easily achieved circuit control, convenient maintenance and replacement;Heater body compact conformation, easily Optimize design in realizing industry and produce.
<embodiment one>
In order to the beneficial effect of PTC concurrent flow heater of the present utility model is described, utility model people of the present utility model adopts Experimentally obtain following related conclusions.
Experimental condition: use the heater body of structure as shown in Figure 1, and use heater body structure as shown in Figure 5 Size, wherein flat heat exchange tube size and array thereof arrange dimension reference Fig. 6, and Fig. 6 is the Section A-A dimensional drawing of Fig. 5, In Fig. 5 and Fig. 6, the unit of each size is millimeter, and flat heat exchange tube and PTC-element use screw rod to be fixed and clamped, inlet/outlet pipe Mouth taps mouth for standard 4;PTC-element size 100mm × 21mm × 5mm, totally 14, single voltage 220V, power 160W;220V small-sized circulating water pump, pump head 8m, maximum stream flow 60L/min.
Contrast test part: a kind of common PTC liquid heater (being made up of snakelike heat exchange tube and PTC heating element heater), enters Outlet spout is that standard 4 taps mouth, PTC-element size 100mm × 21mm × 5mm, totally 14, single voltage 220V, Power 160W.
Test method: use 10 post steel radiating fin 3, then be sequentially connected with water pump and heater, in overlap joint test system Topped up with water, and it is respectively mounted pressure transducer and temperature sensor at pump entrance end and heater outlet end, set water and pump into When mouth end temperature reaches 50 DEG C, system is out of service, and heater section is all not carried out corresponding Insulation.
Showing according to real-time pressure and temperature test data, shown in this utility model patent, the pressure of heater is reduced to 1030Pa, the pressure of contrast test part reduces to 750Pa;Shown in this utility model patent, heater outlet temperature compares contrast test Heater outlet temperature is high 2.5 DEG C;The work 280s of heater shown in this utility model patent shuts down, contrast test part work Shut down as 465s.
<embodiment two>
In floor low-temp radiation heating system and radiator heating system, heating reservoir is the hot water of 55 DEG C/45 DEG C, mainly adopts The wall-hung boiler being the energy in order to natural gas, liquefied petroleum gas, town gas and electricity etc., the PTC of this utility model patent puts down Row flowing liquid heater, heat exchange efficiency is high, can replace in the low-temp radiation heating system of floor, the wall with electricity as energy resource consumption Hang stove (with electric heating tube as major way), it is possible to achieve certain energy-saving benefit.
<embodiment three>
For instant electric water heater, because of its power excessive (minimum power 4500W), in use can cause a lot Potential safety hazard, uses PTC liquid heater of the present utility model, is truly realized electricity separation, and power is less (about to exist About 2200W), resistance to water-flow is little, and heat exchange efficiency is high, is preferable Instant heating type liquid heater.
Although embodiment of the present utility model is disclosed as above, but it is not restricted in description and embodiment listed Using, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, and can It is easily achieved other amendment, therefore under the general concept limited without departing substantially from claim and equivalency range, this practicality Novel be not limited to specific details and shown here as with describe legend.

Claims (7)

1. a PTC concurrent flow heater, it is characterised in that including:
Separating tube, its one end connects with inlet;
Collector tube, its one end connects with liquid outlet;
N mixing tube, for arbitrary mixing tube, it has the first opening and the second opening, and n is oneself more than or equal to 1 So number;
N+1 set of heat exchange tubes, for arbitrary set of heat exchange tubes, it includes parallel and spaced multiple flat heat exchange tube, institute It is provided with the through hole extended along its length in stating flat heat exchange tube, between any 2 adjacent flat heat exchange tube, is provided with one group PTC heating element heater, wherein, as n=1, one end of two set of heat exchange tubes is respectively with the other end of separating tube and collector tube even Logical, the other end all connects with mixing tube;As n > 1 time, one end of the first set of heat exchange tubes connects with the other end of separating tube, One end of two set of heat exchange tubes connects with the other end of collector tube, the of the other end of the first set of heat exchange tubes and one of them mixing tube Second open communication of one open communication, the other end of the second set of heat exchange tubes and one of them mixing tube, remaining set of heat exchange tubes Two ends connect with two mixing tubes respectively;
Described separating tube, collector tube, mixing tube and flat heat exchange tube are red copper material.
2. PTC concurrent flow heater as claimed in claim 1, it is characterised in that between the plurality of flat heat exchange tube etc. Every setting.
3. PTC concurrent flow heater as claimed in claim 1, it is characterised in that set in the plurality of flat heat exchange tube There are 4 the flat through holes arranged along its width.
4. PTC concurrent flow heater as claimed in claim 1, it is characterised in that n+1 set of heat exchange tubes is the most parallel Arrange.
5. PTC concurrent flow heater as claimed in claim 1, it is characterised in that one group of PTC heating element heater includes 2 Individual PTC heating element heater, and the lead-in wire of 2 PTC heating element heaters is inward against setting.
6. PTC concurrent flow heater as claimed in claim 1, it is characterised in that n mixing tube is 3 mixing tubes.
7. PTC concurrent flow heater as claimed in claim 1, it is characterised in that for arbitrary set of heat exchange tubes, its bag Include 3-5 flat heat exchange tube.
CN201620142049.5U 2016-02-25 2016-02-25 PTC concurrent flow heater Expired - Fee Related CN205593158U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620142049.5U CN205593158U (en) 2016-02-25 2016-02-25 PTC concurrent flow heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620142049.5U CN205593158U (en) 2016-02-25 2016-02-25 PTC concurrent flow heater

Publications (1)

Publication Number Publication Date
CN205593158U true CN205593158U (en) 2016-09-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105546806A (en) * 2016-02-25 2016-05-04 武汉商学院 PTC parallel flow heater
CN106524105A (en) * 2016-11-30 2017-03-22 刘文治 Semiconductor module set type cyclic heating system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105546806A (en) * 2016-02-25 2016-05-04 武汉商学院 PTC parallel flow heater
CN106524105A (en) * 2016-11-30 2017-03-22 刘文治 Semiconductor module set type cyclic heating system

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160921

Termination date: 20200225