CN103836594A - Heat dissipation structure and device of LED module - Google Patents

Heat dissipation structure and device of LED module Download PDF

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Publication number
CN103836594A
CN103836594A CN201310754916.1A CN201310754916A CN103836594A CN 103836594 A CN103836594 A CN 103836594A CN 201310754916 A CN201310754916 A CN 201310754916A CN 103836594 A CN103836594 A CN 103836594A
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CN
China
Prior art keywords
led module
unit
led
radiator
fixed
Prior art date
Application number
CN201310754916.1A
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Chinese (zh)
Inventor
高志刚
纽伦道夫
康军
Original Assignee
麦克奥迪实业集团有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 麦克奥迪实业集团有限公司 filed Critical 麦克奥迪实业集团有限公司
Priority to CN201310754916.1A priority Critical patent/CN103836594A/en
Publication of CN103836594A publication Critical patent/CN103836594A/en

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Abstract

The invention discloses a heat dissipation structure and device of an LED module. The heat dissipation structure is applied to equipment provided with the LED module, and comprises an internal heat dissipation unit, an external heat dissipation unit and a heat pipe, the internal heat dissipation unit and the LED module are fixed, the external heat dissipation unit is arranged at the position, far away from the LED module and communicated with the external air, of the equipment, and the two ends of the heat pipe penetrate through the internal heat dissipation unit and the external heat dissipation unit respectively so that the heat generated by the LED module can be transmitted to the external heat dissipation unit to be exchanged with the heat of the external air to achieve heat dissipation. According to the heat dissipation structure, the heat of a sealed heat source can be transmitted to the external heat dissipation unit from the internal heat dissipation unit and is exchanged with the heat of flow air, the efficient heat dissipation function is achieved, the lighting efficiency of a fluorescent LED is greatly improved, and the service life of the fluorescent LED is greatly prolonged.

Description

A kind of radiator structure of LED module and device
Technical field
The present invention relates to the field of LED module radiator structure, particularly a kind of LED module radiator structure and device for microscopical LED illuminator and fluorescence excitation LED etc.
Background technology
In existing microscope fluorescence excitation LED and LED illuminator, the especially radiating mode of great power LED, is that LED is welded on an aluminium base MCPCB or ceramic copper clad plate DCB, and then this MCPCB or DCB is connected with radiating block by heat conductive silica gel.With the method heat radiation, not only volume is larger, and heat can not stow away from heat.Particularly microscope device, its fluorescence excitation LED or illumination LED system are all arranged on internal body, or one independently in lamp box, or in one and multiple modules, due to the restriction of volume, radiator can not be done greatly on the one hand; The heat producing due to LED on the other hand can not be effectively from microscope casing inside or lamp box and inside modules distribute, cause the temperature in container to raise, make the intensity efficiency of LED decline and shorten service life.
Summary of the invention
Main purpose of the present invention is to overcome microscopical LED power model in prior art, due to the shortcoming of the restriction of volume, the heat radiation deficiency that causes.Propose a kind of volume that reduces internal heat dissipation structures, and keep radiator structure and the device of a kind of LED module of original luminous efficiency.
The present invention adopts following technical scheme:
A kind of radiator structure of LED module, be applied on the equipment that LED module is installed, it is characterized in that: include internal heat dissipating unit, external cooling unit and heat pipe, this internal heat dissipating unit and LED module are fixed, this external cooling unit is arranged at the position of circulating away from LED module and with extraneous air maintenance on equipment, and these heat pipe two ends are arranged in respectively on internal heat dissipating unit and external cooling unit and are passed to external cooling unit and exchange realization heat radiation with extraneous air with the heat that LED module is produced.
Preferably, described heat pipe comprises body, liquid-sucking core and end cap, is filled with appropriate hydraulic fluid and liquid-sucking core is close on inboard wall of tube body in body, and end cap is fixed on body two ends with sealed tube body.
Preferably, described heat pipe comprises evaporator section and condensation segment, and described internal heat dissipating unit is arranged on this evaporator section, and described external cooling unit is arranged on this condensation segment.
Preferably, described heat pipe also includes insulating segment, and this insulating segment is between described evaporator section and described condensation segment.
Preferably, described internal heat dissipating unit and external cooling unit are fin or radiating block.
Preferably, the quantity of described heat pipe can be one or more.
A kind of microscopie unit with LED module radiator structure, comprise frame, object lens, objective table, focus adjusting mechanism, collecting lens, digital camera head and light-source illuminating system, in this light-source illuminating system, be provided with LED and substrate, this LED is fixed on substrate one side, it is characterized in that: the radiator structure that also includes above-mentioned any LED module, this internal heat dissipating unit is fixed on substrate opposite side, and described external cooling unit is fixed on described frame outer wall and with extraneous air and keeps circulation.
A kind of microscopie unit with LED module radiator structure, comprise frame, object lens, objective table, focus adjusting mechanism, collecting lens, digital camera head and lamp box, in this lamp box, be provided with LED, substrate and lamphouse light source output unit, this LED is fixed on substrate one side, it is characterized in that: the radiator structure that also comprises above-mentioned any LED module, described internal heat dissipating unit is fixed on substrate opposite side, and described external cooling unit is fixed on described lamp box outer wall and with extraneous air and keeps circulation.
A kind of microscopie unit with LED module radiator structure, comprise frame, object lens, objective table, focus adjusting mechanism, collecting lens, digital camera head and excite LED module, this excites LED module to include multiple LED and substrate, this LED is fixed on substrate one side, it is characterized in that: the radiator structure that also comprises above-mentioned any LED module, on each LED module, correspondence is equipped with an internal heat dissipating unit, this internal heat dissipating unit is fixed on substrate opposite side, and described heat pipe is successively through all internal heat dissipating unit, described external cooling unit is fixed on described frame outer wall and keeps circulation with extraneous air.
From the above-mentioned description of this invention, compared with prior art, the present invention has following beneficial effect:
1, heat abstractor of the present invention, adopts external cooling unit, internal heat dissipating unit and coordinates heat pipe for LED module, can obtain than the little order of magnitude of conventional fin or less thermal resistance.One end of heat pipe is arranged in (evaporator section) in internal heat dissipating unit, and the other end is arranged in (condensation segment) in external cooling unit, and insulating segment can be arranged in centre.Liquid evaporation vaporization in the time that the evaporator section of heat pipe is heated in capillary wick, steam flows to condensation end under small pressure reduction and the evolution of heat condenses into liquid, and liquid flows back to evaporator section along porous material by the effect of capillary force again.So circulation, the heat of the thermal source of sealing reaches external cooling unit by internal heat dissipating unit, and exchanges with moving air, thereby reaches efficient heat sinking function, greatly improves luminous efficiency and the life-span of fluorescence LED module.
2, heat abstractor of the present invention can be applicable on the equipment of LED module.For example, be engaged in microscope and use with fluorescence excitation LED module or illumination LED module, by mechanisms such as necessary object lens and eyepiece, objective table, focusing (Z axis) mechanism, imaging optical system, light-source illuminating system, electric power systems, improve the radiating effect of LED excitation light intensity and illuminator, the problem that can also solve in green light spectrum and blue spectrum excitation energy deficiency, thereby greatly improve the overall performance of this microscopic system, reach image order ground more clearly.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of the embodiment of the present invention one;
Fig. 3 is the part-structure enlarged drawing in Fig. 2;
Fig. 4 is the structural representation of the embodiment of the present invention two;
Fig. 5 is the structural representation of the embodiment of the present invention three;
Fig. 6 is the schematic diagram that the present invention adopts two heat pipes.
Detailed description of the invention
Below by detailed description of the invention, the invention will be further described.
With reference to Fig. 1, a kind of radiator structure of LED module, is applied in the equipment B that LED module is installed, and includes internal heat dissipating unit 8, external cooling unit 10 and heat pipe 9.LED module comprises LED1b and substrate 1a, and this LED1b is fixed on substrate 1a mono-side, and this internal heat dissipating unit 8 is fixed on substrate 1a opposite side.This external cooling unit 10 is arranged at the position of circulating away from LED module and with extraneous air maintenance in equipment B.This heat pipe 9 comprises body, liquid-sucking core and end cap, fills with appropriate hydraulic fluid after negative pressure is pumped into in body inside, and liquid-sucking core is close on inboard wall of tube body, and liquid-sucking core adopts the how empty material of capillary and is fixed in the end cap at body two ends and sealed.These heat pipe 9 one end are that evaporator section, the other end are condensation segment, and needing according to application also can be at two sections of intermediate arrangement insulating segment.And evaporator section is arranged on internal heat dissipating unit 8, and condensation segment is arranged on external cooling unit 10.
External cooling of the present invention unit 10 and internal heat dissipating unit 8 can adopt conventional fin or radiating block.The quantity of heat pipe 9 can be according to practical application setting, can be one, two even more than two, with reference to Fig. 6.Liquid evaporation vaporization in the time that the evaporator section of heat pipe 9 is heated in liquid-sucking core, steam flows to condensation segment under small pressure reduction and the evolution of heat condenses into liquid, and liquid flows back to evaporator section along porous material (liquid-sucking core) by the effect of capillary force again.So circulation, heat reaches the other end by one end of heat pipe 9, and the heat of the thermal source of sealing is drawn, and is delivered to periphery and exchanges with moving air, thereby reaching efficient heat sinking function.
Below radiator structure of the present invention is carried out to applicating example:
Embodiment mono-
With reference to Fig. 2, Fig. 3, a kind of microscopie unit with LED module radiator structure, comprise frame 1, object lens 2, objective table 3, focus adjusting mechanism 4, collecting lens 5, digital camera head 6, light-source illuminating system 7, internal heat dissipating unit 8, heat pipe 9, external cooling unit 10, lamp box, lamphouse light source output and LED excite module.In this light-source illuminating system 7, be provided with LED1b and substrate 1a, this LED1b is fixed on substrate 1a mono-side, this internal heat dissipating unit 8 is fixed on substrate 1a opposite side, this external cooling unit 10 be fixed on frame outer wall and with extraneous air keep circulation.This substrate 1a can be aluminium base or ceramic copper clad plate.Between substrate 1a and internal heat dissipating unit 8, achieve a fixed connection by heat conductive silica gel.
When installation, LED1b is welded on to substrate 1a upper, then it is arranged on internal heat dissipating unit 8, and is fixed on together collecting lens 5 belows; Again one end of heat pipe 9 (evaporator section) inserted in hole pre-drilled on internal heat dissipating unit 8 (this hole can be circle or other shapes, diameter matches with heat pipe 9), install with tight fit.With same method, the other end of heat pipe 9 (condensation segment) is inserted in external cooling unit 10, and the outer wall that it is fixed on to frame is somewhere, keep good with air exchange.In this application, can use many heat pipes 9, to reach better heat radiation, with reference to Fig. 6.
Embodiment bis-
With reference to Fig. 4, a kind of microscopie unit with LED module radiator structure, comprise frame, object lens, objective table, focus adjusting mechanism, collecting lens, digital camera head, light-source illuminating system, heat pipe 9, internal heat dissipating unit 8, external cooling unit 10, lamp box 11, lamphouse light source output 14 and LED excite module.In this lamp box 11, be provided with LED, substrate and lamphouse light source output 14, this LED is fixed on substrate one side, and internal heat dissipating unit 8 is fixed on substrate opposite side, and external cooling unit 10 is fixed on lamp box outer wall and with extraneous air and keeps circulation.
When installation, LED is welded on substrate, then it is arranged on internal heat dissipating unit 8, and be fixed on together on the optics in lamp box; Again one end of heat pipe 9 (evaporator section) inserted in pre-drilled hole, internal heat dissipating unit 8 (this hole can be circle or other shapes, diameter matches with heat pipe 9), install with tight fit.Use the same method, the other end of heat pipe 9 (condensation segment) is connected with external cooling unit 10 (same is tight fit), then external cooling unit 10 is fixed on to the outer wall of lamp box, keep good with air exchange.In like manner, in this application, can use many heat pipes 9, to reach better radiating effect, with reference to Fig. 6.
Embodiment tri-
With reference to Fig. 1, Fig. 5, a kind of microscopie unit with LED module radiator structure, comprise frame, object lens, objective table, focus adjusting mechanism, collecting lens, digital camera head, light-source illuminating system, heat pipe 9, internal heat dissipating unit 8, external cooling unit 10, lamp box, lamphouse light source output and LED excite module 13.This excites LED module to include multiple LED1b and multiple substrate 1a, each LED1b is fixed on corresponding substrate 1a mono-side, each LED1b correspondence is equipped with an internal heat dissipating unit 8, this internal heat dissipating unit 8 is fixed on substrate 1a opposite side, and heat pipe 9 one end (evaporator section) are passed the middle part of all internal heat dissipating unit 8 successively.
Each LED1b is welded on to corresponding substrate 1a upper, then will be substantially arranged on corresponding internal heat dissipating unit 8, then be fixed on together LED and excite on module 13.Afterwards, one end of heat pipe 9 is inserted in pre-drilled hole, internal heat dissipating unit 8 (this hole can be circle or other shapes, diameter matches with heat pipe 9) install with close-fitting.Owing to thering are multiple LED1b, correspondence includes multiple internal heat dissipatings unit 8(and comprises 8a-8n), an internal heat dissipating unit 8a is passed in one end of heat pipe 9, then be inserted into adjacent next internal heat dissipating unit 8b, by that analogy, heat pipe 9 can pass multiple internal heat dissipatings unit 8(8a-8n successively), finally the other end of heat pipe 9 being connected with external cooling unit 10, (same is tight fit, the external cooling unit of A in Fig. 5 in can connection layout 1), then external cooling unit 10 is fixed on to the outer wall that this LED is installed excites the equipment of module 13.In like manner, in this application, can use many heat pipes 9, to reach better radiating effect, with reference to Fig. 6.
This heat dissipation technology is applied in microscopical LED illuminator, is the light intensity in order to improve LED, at utmost brings into play the effective power of LED, meanwhile, can greatly improve the service life of LED.
Above are only the specific embodiment of the present invention, but design concept of the present invention is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the present invention, all should belong to the behavior of invading protection domain of the present invention.

Claims (9)

1. the radiator structure of a LED module, be applied on the equipment that LED module is installed, it is characterized in that: include internal heat dissipating unit, external cooling unit and heat pipe, this internal heat dissipating unit and LED module are fixed, this external cooling unit is arranged at the position of circulating away from LED module and with extraneous air maintenance on equipment, and these heat pipe two ends are arranged in respectively on internal heat dissipating unit and external cooling unit and are passed to external cooling unit and exchange realization heat radiation with extraneous air with the heat that LED module is produced.
2. the radiator structure of a kind of LED module as claimed in claim 1, it is characterized in that: described heat pipe comprises body, liquid-sucking core and end cap, in body, be filled with appropriate hydraulic fluid and liquid-sucking core is close on inboard wall of tube body, end cap is fixed on body two ends with sealed tube body.
3. the radiator structure of a kind of LED module as claimed in claim 1, is characterized in that: described heat pipe comprises evaporator section and condensation segment, and described internal heat dissipating unit is arranged on this evaporator section, and described external cooling unit is arranged on this condensation segment.
4. the radiator structure of a kind of LED module as claimed in claim 3, is characterized in that: described heat pipe also includes insulating segment, and this insulating segment is between described evaporator section and described condensation segment.
5. the radiator structure of a kind of LED module as claimed in claim 1, is characterized in that: described internal heat dissipating unit and external cooling unit are fin or radiating block.
6. the radiator structure of a kind of LED module as claimed in claim 1, is characterized in that: the quantity of described heat pipe can be one or more.
7. one kind has the microscopie unit of LED module radiator structure, comprise frame, object lens, objective table, focus adjusting mechanism, collecting lens, digital camera head and light-source illuminating system, in this light-source illuminating system, be provided with LED and substrate, this LED is fixed on substrate one side, it is characterized in that: the radiator structure that also includes any LED module described in claim 1 to 6, this internal heat dissipating unit is fixed on substrate opposite side, and described external cooling unit is fixed on described frame outer wall and with extraneous air and keeps circulation.
8. one kind has the microscopie unit of LED module radiator structure, comprise frame, object lens, objective table, focus adjusting mechanism, collecting lens, digital camera head and lamp box, in this lamp box, be provided with LED, substrate and lamphouse light source output unit, this LED is fixed on substrate one side, it is characterized in that: the radiator structure that also includes any LED module described in claim 1 to 6, described internal heat dissipating unit is fixed on substrate opposite side, and described external cooling unit is fixed on described lamp box outer wall and with extraneous air and keeps circulation.
9. one kind has the microscopie unit of LED module radiator structure, comprise frame, object lens, objective table, focus adjusting mechanism, collecting lens, digital camera head and excite LED module, this excites LED module to include multiple LED and substrate, this LED is fixed on substrate one side, it is characterized in that: the radiator structure that also includes any LED module described in claim 1 to 6, on each LED module, correspondence is equipped with an internal heat dissipating unit, this internal heat dissipating unit is fixed on substrate opposite side, and described heat pipe is successively through all internal heat dissipating unit, described external cooling unit is fixed on described frame outer wall and keeps circulation with extraneous air.
CN201310754916.1A 2013-12-31 2013-12-31 Heat dissipation structure and device of LED module CN103836594A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310754916.1A CN103836594A (en) 2013-12-31 2013-12-31 Heat dissipation structure and device of LED module

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Application Number Priority Date Filing Date Title
CN201310754916.1A CN103836594A (en) 2013-12-31 2013-12-31 Heat dissipation structure and device of LED module

Publications (1)

Publication Number Publication Date
CN103836594A true CN103836594A (en) 2014-06-04

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201335345Y (en) * 2008-12-26 2009-10-28 常州星宇车灯股份有限公司 Heat radiation device for LED lamps of automobile
CN101598320A (en) * 2009-07-14 2009-12-09 史杰 The LED lamp adopts the heat-pipe radiating apparatus of enhanced evaporation section
CN101852416A (en) * 2010-06-10 2010-10-06 上海合亚经贸有限公司 Heat dissipation method and device of high-power LED (Light-Emitting Diode)lamp
CN103115923A (en) * 2013-01-28 2013-05-22 上海新纤仪器有限公司 High-luminous-intensity light source microscope as well as image identification and analysis device and application

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201335345Y (en) * 2008-12-26 2009-10-28 常州星宇车灯股份有限公司 Heat radiation device for LED lamps of automobile
CN101598320A (en) * 2009-07-14 2009-12-09 史杰 The LED lamp adopts the heat-pipe radiating apparatus of enhanced evaporation section
CN101852416A (en) * 2010-06-10 2010-10-06 上海合亚经贸有限公司 Heat dissipation method and device of high-power LED (Light-Emitting Diode)lamp
CN103115923A (en) * 2013-01-28 2013-05-22 上海新纤仪器有限公司 High-luminous-intensity light source microscope as well as image identification and analysis device and application

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Application publication date: 20140604