CN203442531U - Lamp - Google Patents
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- CN203442531U CN203442531U CN201320505822.6U CN201320505822U CN203442531U CN 203442531 U CN203442531 U CN 203442531U CN 201320505822 U CN201320505822 U CN 201320505822U CN 203442531 U CN203442531 U CN 203442531U
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- zone
- light fixture
- module
- sensing element
- heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
A lamp comprises a shell, a light-emitting module, a conducting seat, a power module and a control module. The light-emitting module and the conducting seat are arranged at the two ends of the shell respectively, the power module is arranged in a lamp cool area and comprises at least one thermal sensitive element, the control module comprises at least one first heat sensing element arranged in a lamp hot area and used for sensing first work temperature, and the control module compares the first work temperature with first critical work temperature of the light-emitting module. When the first work temperature is larger than or equal to the first critical work temperature, the control module reduces output power supplied for the light-emitting module from the power module. The at least one first heat sensing element (and at least one second heat sensing element) is/are arranged in the lamp, so that the temperature of a substrate of the light-emitting module of the lamp and the temperature of the thermal sensitive element of the power module of the lamp are sensed respectively, the output power of the power module is reduced immediately, and the problem that the lamp is damaged due to excessive heat is avoided.
Description
Technical field
The utility model relates to a kind of light fixture, and particularly a kind of have a light fixture that is arranged at optimum position heat sensing element.
Background technology
Optical diode comes into one's own in recent years gradually, and especially with high brightness LED (High-brightness Light Emitting Diodes, HB LED), demand significantly promotes especially, has started one overbearing tide in the industry cycle.And compared to traditional white heat bulb, the advantage such as high brightness LED has had more power saving, long service life standby, durability is high and reaction speed is fast.The hot topic of high brightness LED application is at present except general illumination, commodity illumination, automotive lighting, outdoor billboard and traffic information display, also, because of the progress of consumption electronic products, make to become the project of doing one's utmost integration in all types of LCD backlight modules, mobile phone or digital camera flash modules.
When using light emitting diode, because most electric current is all converted into heat energy, only have compared with the electric current of small part and be converted to light, thus must be more careful in the current design of light emitting diode, and wherein with electric current that high brightness LED was consumed for.Yet the rated value that light emitting diode has its temperature to limit under operator scheme, if dispelling the heat insufficient and using under the condition of high temperature for a long time, will make light emitting diode accelerated ageing that luminous efficacy reduction and life-span also can be shortened dramatically; And when light emitting diode is applied to bulb, while being particularly applied to hermetic type light fixture or heat insulation type light fixture, the problem of its heat radiation is even more important; When light fixture incorrect because dispelling the heat, and while causing lamp interior excess Temperature, not only can make light emitting diode damage, also can cause the associated electrical part (particularly electric capacity) of bulb internal electric source supply to damage, therefore effectively control the internal temperature of LED lamp, to avoid inner body to damage, it is one of important topic for industry.Therefore, the inventor concentrates on studies and coordinates the utilization of scientific principle, and proposes a kind of reasonable in design and effectively improve the utility model of the problems referred to above.
Utility model content
Main purpose of the present utility model is to provide a kind of light fixture that is arranged at optimum position heat sensing element that has, by at least one the first heat sensing element (and at least one second heat sensing element) is set in lamp interior, with immediately monitoring lamp interior temperature, and then when its internal temperature is too high, can immediately adjust the power output of power module, use to reach and effectively avoid and solve light fixture because of overheated problem of damaging, relatively can effectively promote the life-span of light fixture.
To achieve these goals, the utility model provides a kind of light fixture, and this light fixture comprises: a housing, a light emitting module, a conductive seat, a power module, a control module.This light emitting module comprises: a substrate, and this substrate is arranged at one end of housing; A plurality of luminescence units, luminescence unit is arranged on substrate.This conductive seat with respect to light emitting module be arranged at the other end of housing.This power module is electrically connected conductive seat and light emitting module, and power module has at least one heat-sensitive element, and at least one heat-sensitive element is arranged in a light fixture cold-zone.This control module is electrically connected light emitting module and power module, in order to control power module and light emitting module, this control module comprises: at least one the first heat sensing element, at least one the first heat sensing element is arranged at the position contiguous with the substrate of light emitting module, and at least one the first heat sensing element is arranged in a light fixture hot-zone, in order to sensing one first operating temperature, control module is compared one first critical operating temperature of luminescence unit according to this; When the first operating temperature is more than or equal to the first critical operating temperature, control module downgrades a power output of electric power source pair of module light emitting module.Wherein, light fixture cold-zone has one first border, cold-zone and one second border, cold-zone, and light fixture hot-zone has one first border, hot-zone and one second border, hot-zone; The first border, hot-zone flushes with the exiting surface of luminescence unit, and the first border, cold-zone is positioned at the bottom of conductive seat, and the distance between the first border, cold-zone and the first border, hot-zone is a built-in element distance; Distance between the second border, cold-zone and the first border, cold-zone is 1/3rd of built-in element distance, and the distance between the second border, hot-zone and the first border, hot-zone is 1/3rd of built-in element distance.
Further, the first heat sensing element is arranged at the homonymy that is provided with luminescence unit of substrate or tosses about.
Further, the first heat sensing element be arranged in the housing of light fixture and with the distance of substrate be a safety distance, safety distance is 0～7 millimeter.
Further, at least one the first heat sensing element is arranged on an extension circuit or an extension circuit plate of power module, and extension circuit or extension circuit plate are positioned at light fixture hot-zone.
Further, control module also comprises: at least one the second heat sensing element, at least one the second heat sensing element is arranged at the position contiguous with at least one heat-sensitive element, and in order to sensing one second operating temperature, control module is compared one second critical operating temperature of at least one heat-sensitive element according to this; When the first operating temperature is more than or equal to the first critical operating temperature or when the second operating temperature is more than or equal to the second critical operating temperature, control module downgrades the power output of electric power source pair of module light emitting module.
Further, at least one the first heat sensing element and at least one the second heat sensing element are thermistor (Thermistor), thermal diode (Thermal Diode) or thermocouple (Thermal Couple).
Further, at least one the first heat sensing element and at least one the second heat sensing element are the thermistor of positive temperature coefficient (Positive Temperature Coefficient, PTC).
Further, the first critical operating temperature is greater than the second critical operating temperature.
Further, at least one the first heat sensing element is connected to control module with the form of wire jumper.
Further, at least one heat-sensitive element is electric capacity.
Further, conductive seat is spiral or electronic package formula.
Further, the outside of power module is coated with a packaging plastic.
Further, packaging plastic is insulating cement or heat-conducting glue.
Further, between the substrate of light emitting module and packaging plastic, be provided with the thermal insulation barriers of an electric insulation.
Of the present utility model have a light fixture that is arranged at optimum position heat sensing element, the advantage having is: the utility model arranges at least one the first heat sensing element (and at least one second heat sensing element) in light fixture, use the temperature of the substrate of difference sensing light fixture light emitting module and the heat-sensitive element of power module, judge that according to this whether light emitting module and each heat-sensitive element be overheated, immediately to downgrade the power output of power module, use and can effectively avoid light fixture because of overheated problem of damaging.
For enabling further to understand feature of the present utility model and technology contents, refer to following about detailed description of the present utility model and accompanying drawing, yet appended graphic only provide with reference to and explanation use, be not used for the utility model to be limited.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view with the first embodiment of the light fixture that is arranged at optimum position heat sensing element of the present utility model.
Fig. 2 is the light fixture cold-zone of the first embodiment and the schematic diagram of light fixture hot-zone with the light fixture that is arranged at optimum position heat sensing element of the present utility model.
Fig. 3 is the light fixture cold-zone of the second embodiment and the schematic diagram of light fixture hot-zone with the light fixture that is arranged at optimum position heat sensing element of the present utility model.
Fig. 4 is the cross-sectional view with the 3rd embodiment of the light fixture that is arranged at optimum position heat sensing element of the present utility model.
Fig. 5 is the sectional structure chart with the 4th embodiment of the light fixture that is arranged at optimum position heat sensing element of the present utility model.
Fig. 6 is the sectional structure chart with the 5th embodiment of the light fixture that is arranged at optimum position heat sensing element of the present utility model.
Fig. 7 is the sectional structure chart with the 6th embodiment of the light fixture that is arranged at optimum position heat sensing element of the present utility model.
Fig. 8 is the sectional structure chart with the 7th embodiment of the light fixture that is arranged at optimum position heat sensing element of the present invention.
[symbol description]
1: there is the light fixture that is arranged at optimum position heat sensing element
10: housing
20: light emitting module
21: substrate
22: luminescence unit
30: conductive seat
40: power module
41: heat-sensitive element
42: extension circuit plate
50: control module
51: the first heat sensing elements
52: the second heat sensing elements
60: packaging plastic
70: thermal insulation barriers
A: light fixture hot-zone
B: light fixture cold-zone
CB1: the first border, cold-zone
CB2: the second border, cold-zone
HB1: the first border, hot-zone
HB2: the second border, hot-zone
L: built-in element distance
L1: the first border, hot-zone and the second hot-zone frontier distance
L2: the first border, cold-zone and the second cold-zone frontier distance
The specific embodiment
(the first embodiment)
Refer to Fig. 1.As shown in the figure, of the present utility model have the light fixture 1 that is arranged at optimum position heat sensing element and comprise: a housing 10, a light emitting module 20, a conductive seat 30, a power module 40 and a control module 50.Light emitting module 20 comprises a substrate 21 and a plurality of luminescence unit 22, and substrate 21 is arranged at one end of housing 10, and luminescence unit 22 is arranged at substrate 21.Preferably, each luminescence unit 22 can be light emitting diode (Light Emitting Diodes, LED) or high brightness LED (High-brightness Light Emitting Diodes, HB LED); The periphery of housing 10 can have multi-disc radiating fin.Power module 40 is arranged in housing 10, and is electrically connected light emitting module 20 and conductive seat 30; And power module 40 is arranged at a light fixture cold-zone A of light fixture 1 inside, and it comprises at least one heat-sensitive element 41, for example: various electric capacity, IC wafer etc.Preferably, power module 40 also includes direct current interchange converting unit, voltage regulation unit, voltage transformation unit, wave filter etc.Wherein, above-mentioned conductive seat 30 can be spiral lamp holder or electronic package formula lamp holder, in the present embodiment is graphic, take spiral lamp holder as signal, but practical application is not as limit.Control module 50 is arranged in housing 10, and is electrically connected light emitting module 20, conductive seat 30 and power module 40; And control module 50 comprises one first heat sensing element 51.The substrate 21 that the first heat sensing element 51 is adjacent to light emitting module 20 arranges, in order to one first work temperature 1 of sensing substrate 21 near zones.Special instruction, the first heat sensing element 51 can be to arrange apart from substrate 21 1 safety distances (scheming not label), for example, be 0～7 millimeter.In other application, the first heat sensing element 51 is also arranged at a side that is provided with luminescence unit 22 of substrate 21; In other words, the first heat sensing element 51 can according to demand be arranged at substrate 21 above or below.
Refer to Fig. 2, about above-mentioned light fixture cold-zone A and light fixture hot-zone B, say further, light fixture cold-zone A has one first border, cold-zone CB1 and one second border, cold-zone CB2; Light fixture hot-zone B has one first border, hot-zone HB1 and one second border, hot-zone HB2.22 exiting surface of the first border, hot-zone HB1 and these luminescence units flushes, and the first border, cold-zone CB1 is positioned at the bottom of conductive seat 30, and the distance between the first border, hot-zone HB1 and the first border, cold-zone CB1 is a built-in element distance L.Wherein, the built-in element distance L that the distance of second border, cold-zone CB2 distance the first border, cold-zone CB1 is 1/3rd; And the built-in element distance L that the distance of second border, hot-zone HB2 distance the first border, hot-zone HB1 is 1/3rd.In other words, above-mentioned the second border, cold-zone CB2 and the second border, hot-zone HB2, in actual applications, meeting is difference according to the difference of the length of light fixture 1.
The general common A19 bulb of 18 watts with E27 specification (or E26) conductive seat 30 of take is example, under long-time use state, the mean temperature of light emitting module 20 is about 100 degree to 130 degree (being above-mentioned light fixture hot-zone B), and the temperature of conductive seat 30 is about 70 degree to 85 degree (being above-mentioned light fixture cold-zone A); In other words, the temperature difference of light fixture hot-zone B and light fixture cold-zone A can be up to 15 degree, and this means, in prior art, the interior section heat-sensitive element 41 of LED bulb, because be positioned over light fixture hot-zone B, under long-time use, easily because of high temperature, damage, and relatively reduce the life-span of its use; And the utility model is by arranging at least one the first heat sensing element 51, operating temperature with judgement lamp interior, adjust according to this power output of 40 pairs of light emitting modules 20 of power module, use and avoid light emitting module 20 to damage because of overheated, and also can avoid each heat-sensitive element 41 to damage in advance because of high temperature simultaneously.It is below the temperature actual experiment tables of data of above-mentioned the utility model and known lamp.Known in table, the utility model, with respect to known light fixture, has lower operating temperature, uses and can effectively protect each element of lamp interior, avoids lamp interior element Yin Gaowen and damages.
(the second embodiment)
Refer to Fig. 3, it is the schematic diagram of the second embodiment of the present utility model, different from above-described embodiment, and the distance L 1 of second border, hot-zone HB2 distance the first border, hot-zone HB1 of described light fixture hot-zone B is 0～30 millimeter (mm); The distance L 2 of second border, cold-zone CB2 distance the first border, cold-zone CB1 of light fixture cold-zone A is 0～30 millimeter (mm).It is example that the bounds of above-mentioned 0～30 millimeter (mm) be take E26 and E27 specification light fixture; In actual applications, can be according to light fixture entire length size, and determine above-mentioned bounds, be not limited to the numerical value that the present embodiment is lifted.
(the 3rd embodiment)
Refer to Fig. 4, as shown in the figure, light fixture 1 comprises: a housing 10, a light emitting module 20, a conductive seat 30, a power module 40 and a control module 50.Wherein, the annexation of above-mentioned each element and position relationship thereof, as hereinbefore, do not repeated in this.Need special instruction, in the present embodiment, control module 50 comprises: one first heat sensing element 51 and one second heat sensing element 52.The setting position of the first heat sensing element 51 as hereinbefore, seldom illustrates in this; The heat-sensitive element 41 that the second 52 of heat sensing elements are adjacent to power module 40 arranges, and uses the one second work temperature S2 that measures heat-sensitive element 41.Control module 50 is electrically connected the first heat sensing element 51 and the second heat sensing element 52, compares according to this whether the first work temperature 1 is more than or equal to one first critical work temperature S1 and whether the second work temperature 2 is more than or equal to one second critical work temperature S2.When control module 50 judgement the first work temperature 1 are more than or equal to the first critical work temperature S1 or the second work temperature 2 and are more than or equal to the second critical work temperature S2, control module 50 downgrades the power output of 40 pairs of light emitting modules 20 of power module.
Specifically, when light fixture 1 is arranged in comparatively airtight lampshade or space, light fixture 1 is under long-time use state, and light fixture 1 itself can little by little heat up, relatively, and lampshade or the environment temperature in this comparatively airtight space also heats thereupon.Also, the temperature difference relative decrease of aforementioned light fixture cold-zone A and light fixture hot-zone B; That is to say, when light fixture 1 is arranged in comparatively airtight lampshade or space, the temperature of aforementioned light fixture cold-zone A is relatively high, and the heat-sensitive element 41 that is relatively arranged at light fixture cold-zone A easily damages because of high temperature.Therefore in the present embodiment, illustrate especially of the present utility model another and implement aspect, can be the second heat sensing element 52 arranging in light fixture 1, use the second work temperature 2 of immediately monitoring each heat-sensitive element 41, effectively avoid according to this generation of the problems referred to above.Wherein, in preferably applying, can be that the first critical work temperature S1 is designed to be greater than the second critical work temperature S2.It is below the temperature actual experiment tables of data of above-mentioned the utility model and known lamp.In table, can be clear that, the utility model, by temperature-sensing element being set in light fixture hot-zone, uses to control that lamp temperatures is held in respect to known lower serviceability temperature, uses each member that can effectively protect lamp interior.
(the 4th embodiment)
Refer to Fig. 5, as shown in the figure, light fixture 1 comprises: a housing 10, a light emitting module 20, a conductive seat 30, a power module 40 and a control module 50.Wherein, the annexation of above-mentioned each element and position relationship thereof, as hereinbefore, do not repeated in this.Need special instruction, control module 50 is arranged on the circuit board that power module 40 is positioned at light fixture cold-zone A, and at least one first heat sensing element 51 of control module 50 is the modes with wire jumper, is arranged in the B of light fixture hot-zone.Wherein, the mode of above-mentioned wire jumper, can be to utilize two to be coated with insulating barrier and the stronger wire of rigidity is connected to the first heat sensing element 51.Ben, the present embodiment graphic be take and have the first heat sensing element 51 and the second heat sensing element 52 is example simultaneously, but in practical application, can be also that the first heat sensing element 51 is only set, be not limited to graphic shown in.In addition, it is worth mentioning that, the first heat sensing element 51 can be also the opposite side (with luminescence unit 22 homonymies) that is arranged at substrate 21, and similarly for example, by wire (being through substrate 21), is connected to control module 50.
(the 5th embodiment)
Refer to Fig. 6, what they were different from above-described embodiment is, power module 40 is arranged at the circuit board of light fixture cold-zone A, can be extended with an extension circuit plate 42 to light fixture hot-zone B, at least one the first heat sensing element 51 can be arranged at this extension circuit plate 42, use and can make each first heat sensing element 51 firmly be arranged at light fixture hot-zone B, and the circuit of each first heat sensing element 51 of connection also can be connected to control module 50 by extension circuit plate 42.Wherein, in actual applications, can be also that control module 50 and at least one the first heat sensing element 51 thereof are arranged at independently on extension circuit plate 42, and this independently extension circuit plate 42 interconnect with the circuit board of power module 40 again.Ben, the present embodiment graphic be take and have the first heat sensing element 51 and the second heat sensing element 52 is example simultaneously, but in practical application, can be also that the first heat sensing element 51 is only set, be not limited to graphic shown in.Special instruction, above-mentioned extension circuit plate 42, in other application, can be also that the simple form with extension circuit exists, for example, be simple wire.
(the 6th embodiment)
Refer to Fig. 7, itself and above-described embodiment difference be, power module 40 outsides are coated with a packaging plastic 60, and it can be insulating cement, heat-conducting glue or wax.In actual applications, can be directly packaging plastic 60 to be filled in to the position that lamp interior arranges with respect to power module 40; Practical operation, can be first power module 40 to be arranged in the housing 10 of light fixture, and the heat-sensitive element 41 that makes power module 40 is positioned at after the A of light fixture cold-zone, utilize the mode of perfusion, make packaging plastic 60 fill up the space between this power module 40 and housing 10, use fully coated power module 40.So, can, so that the heat that power module 40 itself produces conducts to housing 10(preferably rapidly by packaging plastic 60, can also be equipped with in the radiating fin of housing 10, to accelerate radiating efficiency); On the other hand, the heat that also can make light emitting module 20 produce, before conducting to power module 40, first passes through packaging plastic 60 with by its most of heat energy, conducts to housing 10, and using can be relatively by the heat-sensitive element of reduction power module 40 41 temperature around.
Briefly, the present embodiment is by the mode of the coated packaging plastic 60 in the outside in power module 40, not only can derive rapidly the heat energy that power module 40 itself produces, can also divide the heat energy of light emitting module 20 generations by leading-out portion, use the temperature around of heat-sensitive element 41 that can effectively reduce power module 40, to reach the object of avoiding heat-sensitive element 41 to damage because of high temperature.
(the 7th embodiment)
Refer to Fig. 8, different from above-described embodiment is, in better applying, except on be set forth in the outside coated packaging plastics 60 of power module 40, assist to reduce outside the environment temperature of heat-sensitive element 41 of power module 40, can also make to arrange between light emitting module 20 and the packaging plastic 60 of power module 40 thermal insulation barriers 70 of electric insulation, such as heat insulation foam, heat-resisting cotton, thermal insulation ceramics etc. simultaneously, use and can intercept the heat that light emitting module 20 produces, conduct to power module 40.In actual applications, during as similar thermal insulation barriers 70 such as use heat insulation foams, can be also that thermal insulation barriers 70 is covered with between light emitting module 20 and packaging plastic 60.
Special instruction, sees also Fig. 7 and Fig. 8, and the scope that packaging plastic 60 is poured in housing 10 can be to contain whole light fixture cold-zone A, and does not contain light fixture hot-zone B; And thermal insulation barriers 70 can be to be arranged between light fixture hot-zone B and packaging plastic 60, or be covered with the whole region that is not perfused with packaging plastic 60.
Yet; the foregoing is only preferred embodiment of the present utility model; non-ly be intended to limit to scope of patent protection of the present utility model; therefore such as use the equivalence that the utility model description and graphic content are done to change; all in like manner all be contained in claim protection domain of the present utility model, close and give Chen Ming.
Claims (14)
1. a light fixture, is characterized in that, described light fixture comprises:
One housing;
One light emitting module, described light emitting module comprises: a substrate, described substrate is arranged at one end of described housing; A plurality of luminescence units, described luminescence unit is arranged on described substrate;
One conductive seat, described conductive seat with respect to described light emitting module be arranged at the other end of described housing;
One power module, described power module is electrically connected described conductive seat and described light emitting module, and described power module has at least one heat-sensitive element, and described at least one heat-sensitive element is arranged in a light fixture cold-zone;
One control module, described control module is electrically connected described light emitting module and described power module, in order to control described power module and described light emitting module, described control module comprises: at least one the first heat sensing element, described at least one the first heat sensing element is arranged at the position contiguous with the described substrate of described light emitting module, and described at least one the first heat sensing element is arranged in a light fixture hot-zone, in order to sensing one first operating temperature, described control module is compared one first critical operating temperature of described luminescence unit according to this; When described the first operating temperature is more than or equal to described the first critical operating temperature, described control module downgrades a power output of light emitting module described in described electric power source pair of module;
Wherein, described light fixture cold-zone has one first border, cold-zone and one second border, cold-zone, and described light fixture hot-zone has one first border, hot-zone and one second border, hot-zone; Described the first border, hot-zone flushes with the exiting surface of described luminescence unit, and described the first border, cold-zone is positioned at the bottom of described conductive seat, and the distance between described the first border, cold-zone and described the first border, hot-zone is a built-in element distance; Distance between described the second border, cold-zone and described the first border, cold-zone is 1/3rd of described built-in element distance, and the distance between described the second border, hot-zone and described the first border, hot-zone is 1/3rd of described built-in element distance.
2. light fixture according to claim 1, is characterized in that, described the first heat sensing element is arranged at the homonymy that is provided with described luminescence unit of described substrate or tosses about.
3. light fixture according to claim 2, is characterized in that, described the first heat sensing element be arranged in the described housing of described light fixture and with the distance of described substrate be a safety distance, described safety distance is 0～7 millimeter.
4. light fixture according to claim 1, is characterized in that, described at least one the first heat sensing element is arranged on an extension circuit or an extension circuit plate of described power module, and described extension circuit or described extension circuit plate are positioned at described light fixture hot-zone.
5. light fixture according to claim 1, it is characterized in that, described control module also comprises: at least one the second heat sensing element, described at least one the second heat sensing element is arranged at the position contiguous with described at least one heat-sensitive element, in order to sensing one second operating temperature, described control module is compared one second critical operating temperature of described at least one heat-sensitive element according to this; When described the first operating temperature is more than or equal to described the first critical operating temperature or when described the second operating temperature is more than or equal to described the second critical operating temperature, described control module downgrades the described power output of light emitting module described in described electric power source pair of module.
6. light fixture according to claim 5, is characterized in that, described at least one the first heat sensing element and described at least one the second heat sensing element are thermistor, thermal diode or thermocouple.
7. light fixture according to claim 5, is characterized in that, the thermistor that described at least one the first heat sensing element and described at least one the second heat sensing element are positive temperature coefficient.
8. light fixture according to claim 5, is characterized in that, described the first critical operating temperature is greater than described the second critical operating temperature.
9. light fixture according to claim 1, is characterized in that, described at least one the first heat sensing element is connected to described control module with the form of wire jumper.
10. light fixture according to claim 1, is characterized in that, described at least one heat-sensitive element is electric capacity.
11. light fixtures according to claim 1, is characterized in that, described conductive seat is spiral or electronic package formula.
12. light fixtures according to claim 1, is characterized in that, the outside of described power module is coated with a packaging plastic.
13. light fixtures according to claim 12, is characterized in that, described packaging plastic is insulating cement or heat-conducting glue.
14. light fixtures according to claim 12, is characterized in that, are provided with the thermal insulation barriers of an electric insulation between the described substrate of described light emitting module and described packaging plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320505822.6U CN203442531U (en) | 2013-08-19 | 2013-08-19 | Lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320505822.6U CN203442531U (en) | 2013-08-19 | 2013-08-19 | Lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203442531U true CN203442531U (en) | 2014-02-19 |
Family
ID=50093586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320505822.6U Withdrawn - After Issue CN203442531U (en) | 2013-08-19 | 2013-08-19 | Lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203442531U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421671A (en) * | 2013-08-19 | 2015-03-18 | 基元高效科技有限公司 | Lamp and heat sensing control method thereof |
-
2013
- 2013-08-19 CN CN201320505822.6U patent/CN203442531U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421671A (en) * | 2013-08-19 | 2015-03-18 | 基元高效科技有限公司 | Lamp and heat sensing control method thereof |
| CN104421671B (en) * | 2013-08-19 | 2017-03-01 | 基元高效科技有限公司 | Light fixture and its sensible heat control method |
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