CN202109232U - Self adaptive circuit, self adaptive device and corresponding combined illumination device - Google Patents

Abstract

The utility model discloses a self adaptive circuit, a self adaptive device and a corresponding combined illumination device. The combined illumination device comprises a driving part, wherein the driving part is connected with a light source part, the driving part and the light source part are in a state capable of being separated or combined, the light source part comprises a light emitting diode (LED) light source device, the lower part of the LED light source device is connected with a heat conduction element, the heat conduction element is connected with a connector A, the driving part comprises a heat radiation cup, a position of the heat radiation cup corresponding to the connector A is provided with a connector B which correspondingly forms the matched connection with the connector A, simultaneously, a driving device is arranged inside the heat radiation cup, the first end of the driving device is electrically connected with a lamp head, and in addition, the self adaptive device is arranged between the driving part and the light source part for realizing the self adaptive electric connection. The point contact electric connection mode is adopted, the defect of integral rejection of the product caused by single component damage is overcome, in addition, the plug pin bending and fracture defect possibly caused by the traditional plug pin type electric connection mode is eliminated, the products are more durable, and the stability for the repeatedly dismounting and combination is high.

Description

Adaptive circuit, self-reacting device and corresponding combined type lighting device

Technical field

The utility model relates to a kind of combined type lighting device, relates in particular to the combined type lighting device that a kind of Lighting Division and power supply unit are separable combination form.

Background technology

Since Edison's utility model electric light brings bright that to carve for human; Human having marched toward the electric light epoch from the flame epoch gradually; Yet nowadays along with the develop rapidly on world illumination circle; Though common fluorescent lamp has been played the part of long illumination role in our life, owing to the birth of new type light source has to withdraw from gradually historical stage.

LED is the representative of solid state light emitter product of new generation, and along with the develop rapidly of LED industry in recent years, the LED illuminating product is with its energy-conserving and environment-protective, and the characteristics of high life just progressively obtain promoting.

Yet in the time of its illumination advantage of LED performance; In the field of LED from ballast lamp; The low life-span of the high life of led light source chip and integrated driving forms a sharp contrast; Driving becomes the short slab in whole lamp life-span, and after driving is broken down, puts in order the generally more difficult again dismounting and change of maintenance of lamp, therefore can only put in order lamp and change.Therefore, the performance improvement of driving is a difficult problem that is perplexing people always.

People have expected accomplishing this through the dimension that separable combination LED reduces light fixture from ballast lamp design afterwards, increase the replaceability of product, enrich the product category and the scope of application.The detachable LED modulated structure of prior art is referring to Fig. 1,2.Before the someone had designed a kind of; Application number: 200810163004 detachable LED lamp; This utility model has adopted the mode of separating combination LED lamp holder and LED power supply to reach and has changed the damage parts; Reduce the effect of maintenance cost, its technical scheme is to be employed in LED lamp holder bottom to be provided with and can to pull out the formula pin and come the mode of cooperated with LED power supply to reach the purpose of separating work in combination, reaches the effect of adjustment LED lamp holder direction of illumination simultaneously through the pin of bending LED lamp holder bottom.

Yet the defective of this design is; There is very big design drawback in the pin element that plays connection, location, conduction; The pin that the designer has ignored LED lamp holder bottom is cooperating with the pairing jack of LED power supply when pegging graft and since for a long time work or change plug after, wearing out of these pin components and parts may cause it to break in the corresponding jack of this LED power supply; Thereby LED lamp holder and LED power supply are scrapped simultaneously; In addition if change the occasion of LED lamp holder fast,, therefore also will cause these pin components and parts to expand and be stuck in the corresponding jack of this LED power supply because the heat that LED work is distributed is very high at needs; Scrap or partially spent thereby as if the phenomenons such as possibly causing this pin bend fracture that overexerts this LED is caused, this situation is very unfortunate.

Application number: its structure of 201010170672 separated LED energy-saving lamps has also adopted similar application number: therefore the socket connection structure of 200810163004 detachable LED lamps does not still overcome above-mentioned technological deficiency.In addition, the structure of the pin plug-in type combination that this employing is traditional needs the pin of certain-length to stablize the plug-in type combination, therefore the invisible jack degree of depth that defines corresponding pin in design.When needs shorten pin, then dwindling its corresponding diameter dimension; But so also will cause the consequence that is prone to bending; Therefore the size to product has certain restriction; And also limited design freedom and product space occupancy, the design research and development under varying environment space have from now on caused great technical bottleneck to product, can not satisfy the consumer for the selection of different size with the requirement of durability balance.

Another defective of said structure is simultaneously; The radiating piece of the LED lamp that this is detachable all concentrates on the LED lamp head, that is to say that each LED lamp holder of being replaced all carries radiating piece, and in actual use; A LED power supply will be changed a lot of LED lamp holders; Therefore increase the cost of replaceable LED lamp holder, also wasted raw material resources simultaneously, be unfavorable for environmental protection and protection of resources.

The utility model content

The technical problem that the utility model will solve provides a kind of adaptive circuit, under same LED power drives, obtains corresponding adaptive power supply for the led light source device of different capacity.Another technical problem that will solve of the utility model provides a kind of self-reacting device that adopts adaptive circuit, and this device is arranged on the LED light fixture and at the led light source assembly of changing different capacity great facility is provided for the user.The utility model another want the technical solution problem to provide the combined type illumination fixture of a kind of light source portion and the separable combine and assemble of drive division, and this combined type illumination fixture adopts the self-reacting device with adaptive circuit to realize the combination that separates of light source portion and drive division.

In order to solve the problems of the technologies described above; Its structure of the utility model combined type lighting device comprises: a drive division, and the one of which end is connecting a light source portion, and is separable combination form; And be provided with a self-reacting device between said drive division and the said light source portion, connect for adaptive electro.

Wherein said light source portion comprises: a led light source device, and its underpart is connecting a heat-conducting piece, and said heat-conducting piece one end is connecting a jockey A.

Wherein said drive division comprises: a heat radiation cup; Its corresponding said jockey A position is provided with the corresponding formation with it of a jockey B and can be connected; Simultaneously said heat radiation cup set inside has a drive unit, and wherein said drive unit first end is electrically connected and follows a lamp holder.

Wherein said self-reacting device comprises: a sensing device; It is electrically connected and follows said adaptive circuit; Wherein said sensing device comprises: a catalyst A one of which end is electrically connected and follows said adaptive circuit; One catalyst B one of which end is electrically connected and follows the led light source device, and wherein said catalyst A adopts point contact type to be electrically connected the working power that adapts to the led light source rating of set to provide with said catalyst B.

The adaptive circuit of the utility model comprises: a sampling resistor group; One feedback circuit, a constant current IC, wherein said sampling resistor group is electrically connected and follows said feedback circuit; For it provides current detection signal; Resistance value interval judgement for the feedback circuit internal preset needs power output to form the different power output mode, and outputs control signals to said constant current IC, by the power output of this constant current IC control LED power drives.

The utility model combined type illumination fixture links to each other with catalyst B through said catalyst A and can make this adaptive circuit confirm that this led light source device operating power also is its adjustment work power supply; It form to be electrically connected, and cooperatively interacting to be connected through said jockey A and jockey B simultaneously makes said light source portion make up with said drive division or separates.

The utility model is compared prior art and is had following remarkable result:

1, the utility model combined type lighting device; Adopted point contact type to connect electric connection mode; Solved not only that single part damages and the defective that causes product integral body to scrap, and eliminated connecing electric connection mode and possibly causing pin crooked of traditional pins type, the defective that fractures; Make the product can be more durable, the stability of dismounting combination be high repeatedly.

2, the utility model combined type lighting device; The point contact type that is adopted connects electric mode; Can not receive the influence of LED work heat radiation; Make the influence that combination does not receive self working condition and external environment condition that separates of Lighting Division and power supply, satisfied the user greatly for different occasions, the varying environment Rapid Combination is with the demand of changing.

3, the combined type lighting device of the employing self-reacting device that provides of the utility model; It has the function of automatic adjusting LED driving power, thereby passes through the led light source assembly that a general drive division gets final product automatic adaptive different capacity demand, for the user provides great facility at the led light source assembly of changing different capacity; Also played simultaneously environmental protection; Reduce the function of components and parts material consumption, and also make its manufacturing cost further obtain reduction, for the consumer brings interests.

4, the combined type lighting device of the utility model; Its heat dissipation element is combined in and therefore greatly reduces the cost of changing led light source portion on the LED drive division; In preset power bracket, need not make the different radiating element to the led light source portion of different capacity; Thereby demoted production cost greatly, made cheap replacement led light source portion become possibility.

5, the utility model can be transformed from ballast lamp the LED of existing structure, can upgrade from ballast lamp to existing LED, greatly reduces the improvement cost of plant produced line.

6, a kind of combined type lighting device of providing of utility model, its manufacturing technology are very complicated, and it not have very high manufacturing cost, and is not high to manufacture process requirement yet, so is very suitable for industrial production.

Description of drawings

Fig. 1 is the detachable LED lamp structural representation of prior art.

Fig. 2 is the detachable LED lamp structural representation of prior art.

Fig. 3 is the combined type illuminator structure sketch map of the utility model.

Fig. 4 is that the combined type illuminator structure of the utility model decomposes exploded view.

Fig. 5 is the structural representation of jockey A.

Fig. 6 is the structural representation at another visual angle of jockey A.

Fig. 7 is the mode of operation sketch map of adaptive circuit.

Fig. 8 is that the point contact type of catalyst A, catalyst B connects sketch map.

Fig. 9 is the various modes sketch map that the point contact type of catalyst A, catalyst B connects.

Figure 10 is the another kind of structural representation of the combined type lighting device of the utility model.

Figure 11 is the another kind of STRUCTURE DECOMPOSITION sketch map of the combined type lighting device of the utility model.

Figure 12 is that the another kind of point contact type of catalyst A, catalyst B connects sketch map.

Figure 13 is that the another kind of point contact type connection various modes of catalyst A, catalyst B is shown sketch map.

The specific embodiment

See also Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 a kind of combined type lighting device preferred embodiments for the utility model; This combined type lighting device comprises: a light source portion 1; The one of which end is connecting a drive division 2 and is being separable combination form; Be electrically connected through a self-reacting device 3 between wherein said light source portion 1 and the said drive division 2, to reach automatic adjusting drive division 2 power outputs to adapt to the work requirements of light source portion 1.

Wherein said light source portion 1 comprises: a led light source device 11; One heat-conducting piece 12; One optical component, 13, one jockey A14, wherein said led light source device 11 comprises: a LED111; It is arranged on the circuit substrate 112, is connecting the heat conduction that said heat-conducting piece 12 carries out led light source device 11 through this circuit substrate 112.

Wherein said optical component 13 is covered with said led light source device 11 and said heat-conducting piece 12; Its role is to and to adjust the light that light source sends; Control out light effect; Like the PC cell-shell of handling through frosted, optical lens etc. play regulating action to light, the device that can also protect inside to be capped simultaneously.

Wherein said jockey A14 is connecting said heat-conducting piece 12, prepares for said light source portion 1 provides separable combination function, and wherein said jockey A14 can adopt Heat Conduction Material to process, and like copper, aluminium, steel and alloy thereof, increases the heat transfer efficiency of heat-conducting piece 12.

Said drive division 2 comprises: a heat radiation cup 22; Its inside accommodates a drive unit 21; The wherein said drive unit 21 first ends then lamp holder 24 that is electrically connected, and this drive unit 21 prevents that with accompanying an insulating part 23 between this lamp holder 24 is electrically connected drive unit 21 main parts from touching this lamp holder 24, and product safety is stablized; And this lamp holder 24 is connected this heat radiation cup 22 lower ends, is said drive unit 21 power supplies.It is arranged on the jockey A14 place on the corresponding said light source portion 1 on this heat radiation cup 22 one jockey B25; And it is adaptive; Make said light source portion 1 can reach the function of separating combination with the cooperation of this jockey B25 through this jockey A14 with said drive division 2; Simultaneously when said light source portion 1 during with said drive division 2 combinations, said heat-conducting piece 12 will attach with said jockey B25 and carry out heat and conduct on the said heat radiation cup 22 and dispel the heat, and help is connected led light source device 11 steady operations on this heat-conducting piece 12; Wherein said jockey B25 adopts Heat Conduction Material to process, like copper, aluminium, steel and alloy thereof.

Wherein said self-reacting device 3 comprises: a sensing device 31; It comprises: a catalyst A311; One catalyst B312, its jockey B that is arranged on said drive division 2 of wherein said catalyst A311 goes up and is electrically connected with said drive unit 21 second ends, more specifically; One adaptive circuit 32 is arranged in the said drive unit 21, and said catalyst A311 first end and said adaptive circuit 32 electrically connect as it self adaptation induction transmission is provided.

It is arranged on the position of corresponding said catalyst A311 on the said light source portion 1 one catalyst B312; And be electrically connected with said led light source device 11; The catalyst B312 of different shape will be provided according to the variable power of said led light source device 11 simultaneously; Touch mutually through said catalyst A311 and said catalyst B312 and can make this adaptive circuit 32 confirm these led light source device 11 operating powers, and be its adjustment work power supply, make it form point contact type electrical connection.

Further, the implementation of said self-reacting device 3 be through, in same led driver, make polylith output current control section, the output parameter that each output current control section is corresponding specific.Can insert the Different control part through wire jumper or selector switch, change the output of driver.

See also a kind of mode of operation (with two jumper terminals is example) of Fig. 7 for this adaptive circuit 32:

Said adaptive circuit 32 is electrically connected and follows said drive unit 21; Wherein said adaptive circuit 32 comprises: a sampling resistor group 321 its then feedback circuits 322 that are electrically connected; Wherein be preset with the resistance interval in this feedback circuit 322; Judge the required power of selected led light source portion 1 thus, this feedback circuit 322 then constant current IC323 that is electrically connected.

Wherein said drive unit 21 1 ends carry out power supply input, and its inner rectification of process and filtering part is supplied power to said constant current IC323 after another winding process turn ratio transformation of this former limit to its former limit of inner transformer earlier.This transformer secondary gives led light source portion 1 power supply as driver output end behind an inner diode rectification of said drive unit 21 and a smoothing circuit.The output electrical quantity is controlled by said constant current IC323 behind said feedback circuit 322.Get into the size of sampling resistor value in the said feedback circuit 322 through change; Can in the certain voltage scope, regulate output current; This constant current IC323 also can be not included on the said adaptive circuit 32 in addition; Also can realize above-mentioned functions on the said drive unit 21 and be provided with or be integrated in, be appreciated that to be another kind of embodiment.

Sampling resistor R in the group of sampling resistor described in the circuit 321 goes up parallelly connected R1, R2 resistance and whether passes through contact control conducting.Wherein, simultaneously conducting R1 then represents first kind of output mode with R2, and conducting R1, R2 represent other two types of output modes respectively separately, and R1 and R2 are the 4th kind of output mode during neither conducting.

Said each contact 3121 of the led light source portion 1 that high or low power is different will be gone up the said contact 3111 of varying number corresponding to said catalyst A311, and more contact explanations drive and exist more output mode available on the said contact 3111 of said contact 3121 correspondences.The spread pattern of the said contact 3121 of each said led light source portion 1 can be represented a kind of driving output mode.Can driving carry out adaptive according to the design of said light source portion contact 3121 automatically after accomplishing assembling.As can be with resistance R 1 place in circuit, can be with resistance R 2 places in circuit, can be with R1 and R2 place in circuit simultaneously.

Above-mentioned this output mode can add according to the actual requirements or delete that this embodiment that the utility model proposes does not limit the quantity of output mode, and all output modes that utilize above-mentioned principle to produce can both reach corresponding effect.

But in order to realize above-mentioned this regulatory function, it is that said adaptive circuit 32 carries out the operating power induction that the utility model has adopted a kind of catalyst structure of point contact type, realizes the adaptation power supply pattern thus.

See also Fig. 8, Fig. 9 and connect sketch map for catalyst A, catalyst B; Said catalyst A311 in the wherein said sensing device 31 comprises: a substrate A 3112; It adopts insulating materials to process; Like pcb board, offset plate etc., its top has a location division A3113, and this substrate A3112 top is provided with plural contact 3111 simultaneously; Wherein said contact 3111 is dot matrix and arranges on this substrate A3112; Simultaneously each contact 3111 respectively all with said adaptive circuit 32 in each sampling resistor and power positive cathode conducting, and each said contact do not limit arrangement mode, only need with adaptive circuit 32 in corresponding components and parts be electrically connected and promptly can be this adaptive circuit 32 adaptively sampled induction is provided.

Said catalyst B312 comprises: a substrate B 3120; It adopts insulating materials to process, and like pcb board, offset plate etc., its top has a location division B3123; Said location division A3113 on this location division B3123 and the said catalyst A311 is concavo-convex adaptive each other; To play positioning action, a plural contact 3121 is arranged on this substrate B 3120 according to preset arrangement mode, should preset arrangement mode be to carry out different variations according to the watt level of different LED light source portion 1 wherein.This changes specifically; Thereby said each contact 3121 of the led light source portion 1 that high or low power is different will be gone up the different sampling resistor of contact 3111 conductings of varying number and position to satisfy the various output modes of corresponding adaptive circuit 32 corresponding to catalyst A311; This output mode can freely be set and change, to satisfy various power power-supply output demands.

Further; The quantity and the power mode output of sampling resistor are corresponding, connect different said contacts 3111 through position, size, the quantity that changes contact 3121, connect R1 or R2; Thereby it is adaptive to make whole combined type lighting device carry out power automatically; Sample circuit can and be linked with R1 with after contact 3121 combines in said contact 3111, this moment the sampling resistor resistance with R with identical after R1 is parallelly connected; To said constant current IC323, said constant current IC323 is according to the new extremely corresponding setting value of feedback signal adjustment output mode through said feedback circuit 322 in the variation of sampling resistor.

The connected mode that wherein said jockey A, B adopt does; Threaded engagement connected mode, bolt locking mode etc. are in order to meet the connected mode that must pass through the instrument dismounting that national safety standard adopts; Said specifically jockey A14 downside has a shirt rim; This inboard, shirt rim has screw thread; Simultaneously said jockey B25 outer perimeter has should the shirt rim inboard screw thread and forms threaded engagement, is provided with corresponding plural screw with the outer rim place of this jockey B25 on this external this shirt rim, connects for bolt and locks.

See also Figure 10, Figure 11 for the utility model in addition with preferred embodiments; Wherein see also a kind of combined type lighting device preferred embodiments of Figure 10 for the utility model; This combined type lighting device comprises: a light source portion 1'; The one of which end is connecting a drive division 2' and is being separable combination form, is electrically connected through a self-reacting device 3' between wherein said light source portion 1' and the said drive division 2', to reach automatic adjusting drive division 2' power output to adapt to the work requirements of light source portion 1'.

Wherein said light source portion 1' comprises: a led light source device 11', an optical component 13', a jockey A14'; Wherein said led light source device 11' comprises: a LED111', and it is arranged on the circuit substrate 112', is connecting said jockey A14' through this circuit substrate 112'; More particularly wherein this jockey A14' ringwise, it adopts Heat Conduction Material to process, wherein this jockey A14' first side is carried and to be fixedly connected said led light source device 11'; Said optical component 13' also is connected on this jockey A14' and is covered with this led light source device 11' simultaneously, its role is to and can adjust the light that light source sends, and controls out light effect; Like the PC cell-shell of handling through frosted; Optical lenses etc. play regulating action to light, the device that simultaneously can also protect inside to be capped, thereby wherein this optical component 13' inside scribble phosphor raw material make luminous evenly; Improve the illumination comfort level, light efficiency etc.Also be provided with plural fixing in addition on this jockey A14' second side and use screw, prepare for said light source portion 1' provides separable combination function.

Said drive division 2' comprises: a heat radiation cup 22'; Its inside accommodates a drive unit 21'; The wherein said drive unit 21' first end then lamp holder 24' that is electrically connected, and this drive unit 21' prevents that with accompanying an insulating part 23' between this lamp holder 24' is electrically connected drive unit 21' main part from touching this a lamp holder 24' and a heat radiation glass 22' cup, and product safety is stablized; And this lamp holder 24' is connected this heat radiation cup 22' lower end, is said drive unit 21' power supply.

It is the boss shape one jockey B25'; And adopt Heat Conduction Material to process; Has the heat conduction function; Its periphery be provided with connect use screw, its top to have a boss 251' it adopts Heat Conduction Material to process like copper, aluminium, steel and alloy thereof, wherein this jockey B25' is fixed on that the jockey A14' place on the corresponding said light source portion 1' is concavo-convex adaptive on this heat radiation glass 22' with it.Definite; Then be through in the middle of said this jockey of boss 251' insertion A14'; Thereby and attaching this led light source device 11' through this boss 251' end face and playing the effect that is located by connecting; And carry out heat and conduct on this heat radiation cup 22' and carry out the work heat radiation; Insert in the corresponding connection screw of this jockey A14' and jockey B25' through screw simultaneously and lock, make said light source portion 1' can reach the function of separating combination with the cooperation of this jockey A15' through this jockey A14', carry out work simultaneously and dispel the heat with said drive division 2'.

Wherein said self-reacting device 3' comprises: a sensing device 31'; It comprises: a catalyst A311'; One catalyst B312'; It is arranged on wherein said catalyst A311' that said drive division 2' goes up and is electrically connected with said drive unit 21' second end, and more specifically, an adaptive circuit 32' is arranged in the said drive unit 21'; And said catalyst A311' first end and said adaptive circuit 32' electrically connect as it self adaptation induction transmission are provided, and this catalyst A311' is arranged on the side of the boss 251' of this jockey B25' simultaneously.

It is arranged on the position that said light source portion 1' goes up corresponding said catalyst A311' one catalyst B312'; More specifically; This catalyst B312' is arranged on the internal ring wall of this jockey A14' should catalyst A311' position; And be electrically connected with said led light source device 11', the catalyst B312' of different shape will be provided according to the variable power of said led light source device 11' simultaneously, touch mutually through said catalyst A311' and said catalyst B312' and can make this adaptive circuit 32' confirm this led light source device 11' operating power; And be its adjustment work power supply, make it form point contact type and be electrically connected.

Catalyst A, the another kind of embodiment that connects of catalyst B do; Said catalyst A311' among the wherein said sensing device 31' comprises: a substrate A3112'; It adopts insulating materials to process, and like pcb board, offset plate etc., its top has a location division A3113'; This substrate A3112' top is provided with plural contact 3111' simultaneously; Wherein said contact 3111' is dot matrix and arranges on this substrate A3112', simultaneously each contact 3111' respectively all with said adaptive circuit 32' in each sampling resistor R and power positive cathode conducting, and arrangement mode is not limited in each said contact; Only need with adaptive circuit 32' in corresponding components and parts be electrically connected and get final product, 32' provides adaptively sampled induction for this adaptive circuit.

Said catalyst B312' comprises: a substrate B3120'; It adopts insulating materials to process; Like pcb board, offset plate etc.; Its top has a location division B3123', and the said location division A3113' on this location division B3123' and the said catalyst A311' is suitable, to play positioning action; One plural contact 3121' is arranged on this substrate B3120' according to preset arrangement mode; Should preset arrangement mode be to carry out different variations according to the watt level of different LED light source portion 1' wherein, this changes specifically, and the quantity and the power mode output of sampling resistor are corresponding; Thereby said each contact 3121' of the 1' of led light source portion that high or low power is different will go up the different sampling resistor of the contact 3111' conducting of varying number and position to satisfy the various output modes of corresponding adaptive circuit 32' corresponding to catalyst A311'; This output mode can freely be set and change, and can realize driving being electrically connected of output mode control and output and the 1' of led light source portion to satisfy various power power-supply output demands, to connect through this point contact type thus.Can connect different contacts through position, size, the quantity that changes contact 3121', connect R1 or R2, thereby it is adaptive to make whole combined type lighting device carry out power automatically.

See also Figure 12, Figure 13 another kind of embodiment for said sensing device 31; Wherein said catalyst A311'' is the concavo-convex form that cooperates with said catalyst B312''; The said substrate B3120'' top of said specifically catalyst B312'' is provided with the said contact 3111'' shape of adaptive said catalyst A311'' and the pit of quantity; This pit inside is provided with contact 3121'' simultaneously; More particularly; Said contact 3121'' can be electrically connected with this contact 3121'' formation when said contact 3111'' cooperates this pit; Be not all to be provided with this contact 3121'' in said each pit in addition, will go up the different sampling resistor of the contact 3111'' conducting of varying number and position to satisfy the various output modes of corresponding adaptive circuit 32'' corresponding to catalyst A311'' thereby this contact 3121'' has said each contact 3121'' of the different 1'' of led light source portion of preset set-up mode high or low power, this output mode can freely be set and variation; Can realize driving being electrically connected of output mode control and output and the 1'' of led light source portion to satisfy various power power-supply output demands, to connect through this point contact type thus.The quantity of the sampling resistor of the utility model is corresponding with power mode output, can connect different contacts through position, size, the quantity that changes contact 3121'', connects R1 or R2, thereby it is adaptive to make whole combined type lighting device carry out power automatically.

Though the description to the utility model combines specific embodiment to carry out,, those skilled in the art that can carry out many replacements, modification and variation according to above-mentioned content, be conspicuous.Therefore, all are such substitute, improve and change all is included in the spirit and scope of attached claim.

Claims (12)

1. adaptive circuit; Led light source device for different capacity obtains corresponding adaptive power supply under same LED power drives, it comprises: a sampling resistor group, a feedback circuit; One constant current IC; Wherein said sampling resistor group is electrically connected and follows said feedback circuit, for it provides current detection signal, for the resistance value interval judgement need power output formation different power output mode of feedback circuit internal preset; And output control signals to said constant current IC, by the power output of this constant current IC control LED power drives.

2. a kind of adaptive circuit according to claim 1 is characterized in that, this sampling resistor group comprises complex sampling resistance, and the quantity of wherein said sampling resistor is corresponding with power mode output.

3. self-reacting device that adopts the described adaptive circuit of claim 2; It comprises: a sensing device; It is electrically connected and follows said adaptive circuit; Wherein said sensing device comprises: a catalyst A one of which end is electrically connected and follows said adaptive circuit, and a catalyst B one of which end is electrically connected and follows the led light source device, and wherein said catalyst A adopts point contact type to be electrically connected the working power that adapts to the led light source rating of set to provide with said catalyst B.

4. a kind of self-reacting device according to claim 3; It is characterized in that: said catalyst A comprises: a substrate A, its top is provided with plural contact, wherein each contact respectively with said adaptive circuit in sampling resistor and power positive cathode conducting; Said catalyst B comprises: a substrate B; The plural number contact, the corresponding said contact of wherein said plural contact, and be arranged on this substrate according to preset arrangement mode.

5. a kind of self-reacting device according to claim 4; It is characterized in that; Wherein the preset arrangement mode of the said contact among this catalyst B does; Parallel resistor on the said sampling resistor in the said adaptive circuit that said each contact was electrically connected on the corresponding said catalyst A, and said contact will optionally carry out conducting with it, supply said feedback circuit to carry out the resistance interval judgement with this arrangement mode.

6. combined type lighting device that adopts the said self-reacting device of claim 5, it comprises: a drive division, the one of which end is connecting a light source portion, and is separable combination form, is electrically connected between said drive division and the said light source portion and follows said self-reacting device.

7. combined type lighting device according to claim 6 is characterized in that: said light source portion comprises: a led light source device, and its underpart is connecting a heat-conducting piece, and wherein this heat-conducting piece and this led light source device are arranged on the jockey A,

Said drive division comprises: a heat radiation cup; Its inside accommodates a drive unit, and wherein said drive unit first end is electrically connected and follows a lamp holder, a jockey B; It is arranged on this heat radiation cup and goes up that jockey A place on the corresponding said light source portion is also adaptive to be separable combination shape

The said adaptive circuit of wherein said self-reacting device is arranged on said drive unit second end to form and is electrically connected, and said catalyst A is arranged on the jockey B of this drive division, and the one of which end is electrically connected with said adaptive circuit,

It is arranged on the position of the corresponding said catalyst A of jockey A on the said light source portion said catalyst B, and is electrically connected with said led light source device.

8. combined type lighting device according to claim 6 is characterized in that: wherein said light source portion comprises: a led light source device, a jockey A, wherein this jockey A ringwise, its carrying is connecting said led light source device,

Said drive division comprises: a heat radiation cup, and its inside accommodates a drive unit, and wherein said drive unit first end is electrically connected and follows a lamp holder; One jockey B; Its top has a boss, and wherein this jockey B is fixed on this heat radiation cup and goes up the jockey A place on the corresponding said light source portion, is concavo-convex adaptive with it; And form separable combined type and connect

The said adaptive circuit of wherein said self-reacting device is arranged on said drive unit second end and is electrical connection; And said catalyst A one end and said adaptive circuit are electrically connected; This catalyst A is arranged on the side of the boss of this jockey B simultaneously; Said this catalyst B is arranged on the internal ring wall of this jockey A should catalyst A position, and is electrically connected with said led light source device.

9. according to claim 7 or 8 described combined type lighting devices, it is characterized in that: said catalyst A is the concavo-convex form that cooperates with said catalyst B.

10. according to claim 7 or 8 described combined type lighting devices, it is characterized in that: said jockey A is threaded with the compound mode employing that separates of jockey B.

11. according to claim 7 or 8 described combined type lighting devices, it is characterized in that: said jockey A adopts bolt to be connected with the compound mode of separating of jockey B.

12. according to claim 7 or 8 described combined type lighting devices, it is characterized in that: an optical component is connected said jockey A and goes up and be covered with this led light source device, and this optical component adopts PC cell-shell or optical lens.

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