CN202432483U

CN202432483U - LED (light-emitting diode) lamp radiator capable of dissipating heat by virtue of lamp pole

Info

Publication number: CN202432483U
Application number: CN2012200085951U
Authority: CN
Inventors: 吴峰
Original assignee: SHENZHEN SPARK OPTOELECTRONICS S&T CO Ltd
Current assignee: SHENZHEN SPARK OPTOELECTRONICS S&T CO Ltd
Priority date: 2012-01-10
Filing date: 2012-01-10
Publication date: 2012-09-12
Anticipated expiration: 2022-01-10

Abstract

The utility model relates to an LED (light-emitting diode) lamp radiator capable of dissipating heat by virtue of a lamp pole. The LED lamp radiator comprises an LED lamp body (10) and a support lamp pole (20), a closed circulating pipeline (31) and a circulating pump (32), wherein the closed circulating pipeline (31) is arranged in the LED lamp body (10) and an inner cavity of the lamp pole (20), the circulating pump (32) is arranged in the closed circulating pipeline (31), the closed circulating pipeline (31) is filled with refrigerant (40), and the circulating pump (32) drives the refrigerant (40) to circulate in the closed circulating pipeline (31), thus heat produced by the LED body (10) is transferred into the air outside by virtue of the lamp pole (20). The LED radiating device disclosed by the utility model improves heat dissipation effect of the LED lamp and eliminates or partially weakens the heat island effect of the LED lamp by utilizing the excellent heat dissipation performance of the lamp pole material, thus being energy-saving, environmentally friendly and low in cost.

Description

LED heat sink for lamp by the lamp stand heat radiation

Technical field

The utility model relates to lighting device, relates in particular to the LED heat sink for lamp by the lamp stand heat radiation.

Background technology

The LED light fixture generally uses the radiator natural heat dissipation of self at present, or utilizes fan-type to force heat radiation, perhaps utilizes heat pipe to help heat radiation.

The LED light fixture is a kind of illuminating product of efficient, energy-conservation and environmental protection, and welcome in the market that receives more than 3 times that exceeds the conventional high-tension sodium vapor lamp owing to its colour rendering index.But because the LED illumination is an individual emerging industry, development course is short, and technology is in the state of continuous development always, has some difficult problems and bottleneck, and outstanding showing gives prominence to aspect heat radiation.The LED radiating mode that adopts at present often needs expensive aluminum to increase area of dissipation, thereby increases many costs; Simultaneously because the power of LED light fixture is done bigger and bigger; And it is more little good more to the expectation of light fixture size; Cause the heat island phenomenon of LED light fixture especially outstanding; Particularly large power road lamp is the most obvious, probably needs the aluminum more than 12 kilograms to help heat radiation like the street lamp about a 120W, and this makes lamp body very heavy.In addition, because street lamp is installed on the higher open-air lamp stand,, requires to increase the lamp stand metal material and cause cost to raise with the wind loading rating that guarantees whole road lamp system for safety.

LED lamp heat radiation at present utilizes the material of LED light fixture own basically; Do not consider the environment of installing and using of light fixture; Though utilize ripe in the past heat dissipation technology that the LED heat radiation is done well, cost is too high, like the High-Pole Lamp of usefulness such as street lamp, square; What lamp stand adopted is the good iron material of heat radiation; But come usefulness to lamp stand as just backing material in the market, the waste that this has just caused LED light fixture and lamp stand other function of lamp stand when being used is exactly not accomplish maximum energy-conserving and environment-protective in other words.

The utility model content

The technical problem that the utility model will solve is to avoid the weak point of above-mentioned prior art and proposes a kind of LED heat sink for lamp by lamp stand heat radiation; It makes full use of the excellent heat dispersion performance of lamp stand material; Improved the radiating effect of LED lamp; Eliminate or partly slackened the tropical island effect of LED lamp, energy-conserving and environment-protective and with low cost.

The technical scheme that the utility model solve the technical problem proposition is: manufacture and design a kind of LED heat sink for lamp by the lamp stand heat radiation; Comprise LED lamp body and support lamp stand; Especially, also comprise: closed circulation pipeline and the circulating pump that is connected with this closed circulation pipeline;

Said closed circulation pipeline is installed in the inner chamber of said LED lamp body and said lamp stand; Said circulating pump is installed in the said closed circulation pipeline; In the said closed circulation pipeline refrigerant is housed; Said circulating pump drives said refrigerant and in said closed circulation pipeline, circulates, thereby the heat that said LED lamp body is produced is delivered in the extraneous air by said lamp stand.

Said closed circulation pipeline is close to the inwall laying of said lamp stand, and said circulating pump is located at the said closed circulation pipeline that is arranged in said LED lamp chamber body.

Said circulating pump is installed on the said lamp stand or is installed in the near of said LED lamp body and said lamp stand and locates on every side.

At least two said LED lamp bodies are through said closed circulation pipeline serial or parallel connection.

The utility model utilizes in the LED lamp illuminating system material except that LED lamp body to help the heat radiation of LED lamp; Increase the heat radiation of LED light fixture simultaneously and contacted required volume with the space; Eliminate or partly slackened the tropical island effect of LED light fixture, the heat that produces when the LED light fixture is lighted is dispersed in the atmosphere rapidly.

Its principle is exactly: the extension of lamp stand metal material as LED lamp body radiator; Contact with the tight of lamp stand through the closed circulation pipeline; The heat that is produced when letting the LED lamp light is delivered to lamp stand rapidly through the circulation refrigerant in the closed circulation pipeline; Huge contact-making surface through lamp stand and air itself is dispersed into heat in the air fast again; Because lamp stand is in bigger volume, to contact with air, and the heat that is produced in the time of can lighting the LED lamp rapidly is diffused into rapidly from LED lamp place far away, so also just eliminate or partly slackened the tropical island effect of LED lamp simultaneously.

Compare with prior art, the beneficial effect of the utility model is: the heat major part of being sent out the LED lamp by lamp stand is dispersed into goes in the atmosphere, solves the bottleneck of present LED lamp heat radiation; Thereby reduce the light decay of LED lamp; Improve LED lamp radiating efficiency, prolong LED lamp service life, reduce LED lamp cost; The real effect that improves the environmental protection of LED Lantern Festival ability; When using the utility model, can be dispersed into the heat of one or more LED lamps in the atmosphere through lamp stand simple, convenient and practical and excellent in heat dissipation effect neatly.

Description of drawings

Fig. 1 is the overall structure sketch map of the utility model by the LED heat sink for lamp preferred embodiment of lamp stand heat radiation.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is done further detailed description.

As shown in Figure 1, a kind of LED heat sink for lamp by the lamp stand heat radiation comprises LED lamp body 10 and supports lamp stand 20, closed circulation pipeline 31 and the circulating pump 32 that is connected with this closed circulation pipeline 31;

Said closed circulation pipeline 31 is installed in the inner chamber of said LED lamp body 10 and said lamp stand 20; Said circulating pump 32 is installed in the said closed circulation pipeline 31; In the said closed circulation pipeline 31 refrigerant 40 is housed; Said circulating pump 32 drives said refrigerant 40 and in said closed circulation pipeline 31, circulates, thereby the heat that said LED lamp body 10 is produced is delivered in the extraneous air by said lamp stand 20.Said refrigerant 40 is in order to transferring heat energy, produces the working fluid of refrigerating effect.

Said closed circulation pipeline 31 is close to the inwall laying of said lamp stand 20, and said circulating pump 32 is located at the said closed circulation pipeline 31 that is arranged in said LED lamp body 10 inner chambers.

Said circulating pump 32 also can be installed on the said lamp stand 20 or be installed in the near of said LED lamp body 10 and said lamp stand 20 and locate on every side.

Also can be as required in the reality, with at least two said LED lamp bodies 10 through said closed circulation pipeline 31 serial or parallel connections.

The part of closed circulation pipeline 31 closely contacts through welding, crimping or the alternate manner inwall with lamp stand 20; And be communicated with the closed circulation pipeline 31 that is positioned at LED lamp body 10 through the mode of being tightly connected; That part of circulation line that is arranged in LED lamp body 10 is equipped with circulating pump 32; Circulating pump 32 is formed an airtight peripheral passage with closed circulation pipeline 31, connects the circulation line that also can form two or more LED lamp bodies 10 with lamp stand 20 an airtight serial or parallel connection simultaneously through airtight pipeline.Circulating pump 32 also can be installed on the lamp stand 20, perhaps LED lamp body 10 and lamp stand 20 around.Refrigerant 40 is circulating in closed circulation pipeline 31 under the effect of circulating pump 32; The heat transferred lamp stand 20 that the refrigerant 40 that flows is produced LED lamp body 10; The area that lamp stand 20 contacts with air is more much bigger than the area that LED lamp body 10 contacts with air; Just increased the area of dissipation of LED lamp body 10 greatly through lamp stand 20; Extended the direct heat radiation useful space of whole LED lamp body 10, therefore, most of heat that LED lamp body 10 is produced just can be dispersed in the air rapidly through lamp stand 20.So can eliminate or part slackens the tropical island effect of LED lamp, improve the radiating effect of LED lamp greatly, thereby the node temperature the during work of LED lamp reduces, luminous efficiency improves, and prolong service life.

The utility model is to guarantee under the prerequisite of lamp stand 20 as supporting role, has utilized lamp stand 20 good heat-conducting to help 10 heat radiations of LED lamp body simultaneously.Simultaneously because the resistance of refrigerant 40 circulation times is very little; Circulating pump 32 just promotes ringing; Required energy is very little; As long as the circulating pump 32 with 2W left and right sides power just can promote refrigerant 40 circulations very swimmingly, this has reduced the heat radiation cost of LED lamp than low with the fan power in the fan forced heat radiation mode far away.

Owing to utilized lamp stand 20 to dispel the heat, the radiator of LED lamp body 10 can be done much for a short time when not utilizing lamp stand 20 heat radiations, so just provides cost savings greatly, has accomplished energy-conserving and environment-protective from the angle of saving material.

Because 10 heat radiations of LED lamp body are better, so the work time, temperature drop was low, luminous efficiency improves greatly; Prolong service life, the temperature when also making simultaneously material work such as electronic devices and components in the LED lamp, air locking reduces, and the life-span of constant-current supply prolongs in the LED lamp; Fault rate also reduces greatly; Along with the reduction of LED lamp operating temperature, under equal conditions the performance requirement of LED lamp material just can reduce simultaneously, and manufacturing technique requirent also can reduce.

Claims

1. the LED heat sink for lamp by the lamp stand heat radiation comprises LED lamp body (10) and supports lamp stand (20), it is characterized in that: also comprise: closed circulation pipeline (31) and the circulating pump (32) that is connected with this closed circulation pipeline (31);

Said closed circulation pipeline (31) is installed in the inner chamber of said LED lamp body (10) and said lamp stand (20); Said circulating pump (32) is installed in the said closed circulation pipeline (31); Refrigerant (40) is housed in the said closed circulation pipeline (31); Said circulating pump (32) drives said refrigerant (40) and in said closed circulation pipeline (31), circulates, thereby the heat that said LED lamp body (10) is produced is delivered in the extraneous air by said lamp stand (20).

2. LED heat sink for lamp as claimed in claim 1; It is characterized in that: said closed circulation pipeline (31) is close to the inwall laying of said lamp stand (20), and said circulating pump (32) is located at the said closed circulation pipeline (31) that is arranged in said LED lamp body (10) inner chamber.

3. LED heat sink for lamp as claimed in claim 1 is characterized in that: said circulating pump (32) is installed in said lamp stand (20) and goes up or be installed in locating of said LED lamp body (10) and said lamp stand (20) closely on every side.

4. LED heat sink for lamp as claimed in claim 1 is characterized in that: at least two said LED lamp bodies (10) are through said closed circulation pipeline (31) serial or parallel connection.