CN103900406A

CN103900406A - Phase change convection heat dissipation device for heating

Info

Publication number: CN103900406A
Application number: CN201210574249.4A
Authority: CN
Inventors: 陈庆山
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-12-27
Filing date: 2012-12-27
Publication date: 2014-07-02

Abstract

The invention provides a phase change convection heat dissipation device for heating. The phase change convection heat dissipation device comprises an evaporator (1), a heat conducting coil pipe (2), a heat dissipation fin (3), fixed baffles (4) and an outer cover (5), and is characterized in that the heat conducting coil pipe (2) is formed by a whole continuous pipe in the mode of being bent into multiple loops. The phase change convection heat dissipation device is good in corrosion resistance, high in pressure bearing capacity, high in heat transmission speed and high in heat dissipation efficiency, and has the advantages of being light in weight, fewer in welding spot, low in cost and environmentally friendly, saving water, materials and energy and the like.

Description

A kind of phase transformation thermal convection device for heating

Technical field

The present invention relates to thermodynamics field, relate in particular to a kind of phase transformation thermal convection device for heating.

Background technology

In the market for the radiator of heating have cast iron, steel, aluminum, copper aluminium is compound, after also useful " U " type pipe box is worn fin, presses swollen heat pipe type convector radiator etc.Cast iron type corrosion-resistant, but its rough surface, weight is large, and the thermal efficiency is low, highly energy-consuming and contaminated environment; The thermal efficiency of aluminum type is higher, but its poor corrosion resistance, and the life-span is short; The good heat dispersion performance of steel, but the problem of its maximum is also easily to produce corrosion to reveal, and welding capacity is large, and the interior anti-corrosion measure that manufacturer takes at present remains in a lot of problems aspect technology ensuring, Anticorrosion can not thoroughly solve, and uses in a large number anticorrisive agent also to pollute the environment; The thermal efficiency of copper-aluminum composite is higher, and copper pipe corrosion resistance is good, but copper is expensive, is all burden to producer and user.A class uses " U " type pipe to press the heat pipe type convector radiator of swollen fin exactly again, its thermal efficiency is high, but it needs could form with the sealing of " U " type elbow welding the pipe-line system that entirety is communicated with, heat conduction pipeline weld port is too many, more " U " type elbow welding sealing reduces the reliability of bulk loop hot-pipe system, the life-span of hot-pipe system is easily caused risk, and welding capacity is large, manufacturing process complexity.

Summary of the invention

The invention provides a kind of phase transformation thermal convection device for heating, comprising: evaporimeter (1), heat conduction coil pipe (2), radiating fin (3), fixed dam (4) and outer cover (5); Described heat conduction coil pipe (2) is made through the bending of multiple tracks loop by the continuous tubing of whole piece, whole piece heat conduction coil pipe welding, and welding difficulty and process costs are low, and the security reliability of heat abstractor is high.

Phase transformation thermal convection device for heating provided by the invention, utilize efficient phase-change heat transfer technology, can be by the transfer heat of the very little cross section rapid, high volume of heat conduction coil pipe (2), by the heat fast transfer of thermal source to fin, form the uniform temperature field of constant temperature, the area of dissipation that makes full use of radiating fin (3) increases heat dissipation capacity, and radiating efficiency is improved significantly.

The wave structure setting of described heat medium pipe (7) can effectively increase heat exchange area, form high-effect heating surface, strengthen the heat exchange property between heating agent and working medium, the overall heat-transfer coefficient of heat abstractor is improved significantly, the eddy current forming when hot water operation has the cleaning function of antiscaling, descaling, can realize heating agent and in whole service process, all can maintain higher heat-transfer effect, realize augmentation of heat transfer.

On described fixed charge method end plate (4), be provided with round hole and the longitudinal perforate with Circularhole diameter comparable size.Between each perforate, the centre-to-centre spacing of adjacent evaporation coil is all greater than the centre-to-centre spacing that is arranged on evaporation coil adjacent in each perforate, can make the axis of heat conduction coil pipe (2) form an angle with horizontal direction shape at grade, produce gravity structure, can reduce the resistance that vapour, liquid two-phase working substance flow and produce in opposite directions in evaporation tube, accelerate condensation working medium automatic back flow, effectively reduce the heat transfer resistance of phase transformation thermal convection device.

Described radiating fin (3), for the little fin of regular geometric shapes, dispersed arrangement is arranged, is closely fixed on institute's heat conduction coil pipe (2) upper, can effectively increase the area of dissipation of unit volume, heat dissipation capacity has obviously outstanding advantage, be combined with heat abstractor outer cover and produce stack effect, form convection channel, while work by heat abstractor and the pressure reduction of room temperature generation power, form free convection, improve radiating efficiency.

Described heat conduction coil pipe (2), radiating fin (3), fixed dam (4) they are all aluminium material, and aluminium oxidation resistance is strong, and the coefficient of heat conduction is high, perfect heat-dissipating, and aluminium is lightweight, and consumptive material is few, good economy performance.

Described heat medium pipe (7) adopts copper pipe to make water flowing pipe fitting, and acid and alkali resistance corrosive nature is good, and thermal resistance is little, heat transfer efficiency is high, the decay resistance of heat abstractor is guaranteed, and copper pipe formation share is little, the cost of heat abstractor is relatively low.

When described heat abstractor work, only flow through heat source tube (7) independent operating of copper material of heat medium water, heat medium water does not contact with aluminium material part, has stopped the corrosiveness of water quality to heat abstractor, and bearing capacity is higher, can be suitable for the safe operation of all kinds heating system.

Described outer cover (5) can arbitrarily design, and can realize modern design, reaches ornamental aesthetic, and the outer cover of heat abstractor can independent dismounting, maintenance and the cleaning of the inner core of being convenient to dispel the heat.

Phase transformation thermal convection device provided by the invention, water capacity under same thermic load condition and the ratio of heat dissipation capacity are well below other various types of heat abstractors, system thermal response governing speed is fast, inertia is little, room quick heating, room temperature regulates sensitive, can meet user and rationally use heat and the object of cost saving, can realize " technical energy saving " and " behavior energy saving " rationalization.

Compared with prior art, the phase transformation thermal convection device that heating provided by the invention is used, corrosion resistance is good, and radiating efficiency is high, and safe clearance is large, and the life cycle management of product is long.And use aluminum heat sink material lightweight, the metal thermal intensity of formation is high, and caloric value is low.It is few that heat abstractor copper pipe forms share, and cost is low.There is the advantages such as water saving, material-saving, energy-saving and environmental protection simultaneously.Can realize the industry requirement of " light high-efficiency, saving metal material and energy, environmental protection attractive in appearance, safety durable ".

Accompanying drawing explanation

Below in conjunction with accompanying drawing, the present invention is further described:

Fig. 1 is the phase transformation thermal convection device schematic diagram for heating provided by the invention.

Fig. 2 is the phase transformation thermal convection device evaporimeter schematic diagram of the present invention for heating.

Fig. 3 is the fixed dam figure of the present invention for the phase transformation thermal convection device of heating.

The specific embodiment

As shown in Figure 1, the phase transformation thermal convection device for heating provided by the invention, comprises evaporimeter (1), heat conduction coil pipe (2), radiating fin (3), fixed dam (4) and outer cover (5); Heat conduction coil pipe (2) is made through the bending of multiple tracks loop by the continuous tubing of whole piece; There is certain angle with horizontal direction at grade in the axis of heat conduction coil pipe (2); The little fin that radiating fin (3) is regular geometric shapes, dispersed arrangement is arranged, is closely fixed on evaporation coil (2); Fixing plate washer (4) is arranged on the bending termination of evaporation coil (2), parallel with radiating fin (3), for the moulding of heat abstractor inner core be connected and fixed heat abstractor outer cover.

As shown in Fig. 2 and Fig. 1: the cavity that evaporimeter is made up of heat source tube (6) and evaporator shell (7) forms, on evaporator shell (7), having two outlets, is respectively venthole (10) and liquid return hole (11); On evaporation coil (2), having two mouths of pipe, is respectively the admission mouth of pipe (12) and liquid back pipe mouth (13); The venthole (10) of evaporimeter and the admission mouth of pipe (12) of evaporation coil are by being welded together; Liquid return hole (11) on evaporimeter and the liquid back pipe mouth (13) of evaporation coil are by being welded together; The equidistant bellows that heat source tube (6) in evaporimeter cavity is copper material, heat source tube two ends are provided with thermal source import (8) and thermal source outlet (9).

As shown in Fig. 3 and Fig. 1: be provided with round hole and the longitudinal perforate with round hole diameter comparable size on fixed dam (4), between each perforate, the centre-to-centre spacing of adjacent evaporation coil is all greater than the centre-to-centre spacing that is arranged on evaporation coil adjacent in each perforate.The axis of heat conduction coil pipe (2) is formed an angle with horizontal direction shape at grade, produce gravity structure, be beneficial to condensation working medium automatic back flow.

Evaporator shell (7) is formed by aluminium profile; Radiating fin (3) is by flake aluminum punch forming; Fixed charge method end plate (4) is made up of slightly thick aluminium sheet punching press; Heat medium pipe (6) is formed through expand tube by copper pipe; Heat abstractor outer cover (5) is made up of metallic plate punching press, form one have decorative effect, can built-in heat radiation inner core and easy-to-mount independent outer cover.

While using the present invention to be used for the phase transformation thermal convection device of heating, two ports (8) of heat source tube (6) are connected with thermal source import and the thermal source outlet of heating system respectively with (9), in the cavity of evaporimeter (1), be provided with working medium, heat is by the conduction of heat medium pipe (6), heat-conducting work medium in evaporimeter cavity is heated and undergoes phase transition, be converted to gas by liquid state, gas rises continuously along the evaporation coil (2) being supported by fixed charge method end plate (4), in heat conduction coil pipe (2) cavity, form saturated vapour density space, through radiating fin (3) heat radiation, gas condensation is converted to liquid, utilize gravity automatic back flow to continue to be subject to thermal evaporation in the cavity of evaporimeter (1), realize reciprocation cycle.When heat abstractor work, temperature field and the room temperature of heat radiation inner core form pressure reduction, because the effect of heat abstractor outer cover produces stack effect, realize efficient self-heating heat loss through convection.

The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of making within the spirit and principles in the present invention, be equal to replace and improve, within all should being included in protection scope of the present invention.

Claims

1. for a phase transformation thermal convection device for heating, comprising: evaporimeter (1), heat conduction coil pipe (2), radiating fin (3), fixed dam (4) and outer cover (5); It is characterized in that, described heat conduction coil pipe (2) is made through the bending of multiple tracks loop by the continuous tubing of whole piece, and the axis of heat conduction coil pipe (2) exists certain angle with horizontal direction at grade.

2. according to a kind of phase transformation thermal convection device for heating described in claims 1, it is characterized in that, the little fin that described radiating fin (3) is regular geometric shapes, dispersed arrangement is arranged, is closely fixed on heat conduction coil pipe (2).

3. according to a kind of phase transformation thermal convection device for heating described in claims 1, it is characterized in that, on described fixed charge method end plate (4), be provided with round hole and the longitudinal perforate with the equal width of Circularhole diameter.Between each perforate, the centre-to-centre spacing of adjacent evaporation coil is all greater than the centre-to-centre spacing that is arranged on evaporation coil adjacent in each perforate.

4. according to a kind of phase transformation thermal convection device for heating described in claims 1, it is characterized in that, the seal chamber that the evaporimeter (1) of described heat abstractor is made up of heat source tube (6) and evaporimeter shell (7) forms, and described heat source tube (6) is equidistant bellows.

5. according to a kind of phase transformation thermal convection device for heating described in claims 1, it is characterized in that, the two ends of described heat source tube (6) are provided with thermal source import (8) and thermal source outlet (9).

6. according to a kind of phase transformation thermal convection device for heating described in claims 1, it is characterized in that, described evaporimeter (1) also comprises venthole (10) and liquid return hole (11); Described heat conduction coil pipe (2) also comprises the admission mouth of pipe (12) and liquid back pipe mouth (13), described gas outlet (10) is connected with the described admission mouth of pipe (12), and described liquid return hole (11) is connected with described liquid back pipe mouth (13).