CN210921255U - LED control system for overcoming non-decoding condition caused by poor heat dissipation of car lamp - Google Patents

Abstract

The utility model relates to a overcome LED control system who does not decode the situation because of the car light heat dissipation is bad, including LED control unit, its LED lamps and lanterns drive plate and main switch tube separate independent assembly and be separated by the heat insulating board between the two for the heat transmission that the work of main switch tube produced is to LED lamps and lanterns drive plate to the separation; the LED lamp comprises a lamp body and a top cover, and is characterized by further comprising a heat dissipation unit, wherein the heat dissipation unit comprises a heat dissipation fan arranged between the lamp body and the top cover and used for forcibly dissipating heat of the LED lamp beads and the LED lamp driving board. The utility model discloses can avoid arousing the controller temperature because of the work heat of car lamps and lanterns inside components heat dissipation failure, or lamps and lanterns drive circuit main switch pipe in the past and rise, can guarantee the stability of whole lamps and lanterns cooling system and drive controller finally, the situation that can not appear not decoding to can not lead to driving computer trouble code.

Description

LED control system for overcoming non-decoding condition caused by poor heat dissipation of car lamp

Technical Field

The utility model relates to an automobile lamp technical field especially relates to an overcome LED control system who does not decode the situation because of the car light heat dissipation is bad.

Background

Automotive lighting fixtures are an essential component of vehicles, and serve as the primary implementation of automotive lighting and signaling devices. In recent years, with continuous innovation of automobile technology, automobile lamps are gradually developed from conventional xenon lamps to current LED lamps, and the lamps become popular choices of automobiles by virtue of the advantages of energy conservation, environmental protection, long service life, higher brightness and the like, but still have certain improvements in aspects of heat dissipation structures, heat dissipation modes and the like.

The automobile lamp comprises an inner lamp and an outer lamp, wherein an outer headlamp is the most important guarantee of automobile night driving illumination and a main way of sending a driving signal, so that the requirements on the brightness and the power of the outer headlamp are high, generally between 40 and 60W, high power causes high temperature, and the high temperature can generate great negative influence on the luminous efficiency of an LED chip, therefore, the research of a high-efficiency automobile lamp heat dissipation management technology is also a problem to be solved urgently in the field of the existing automobile lamp, and due to the application, the heat dissipation management technology cannot directly adopt a human intervention mode, and needs to manage and control the lamp part by means of a corresponding heat dissipation related control system.

The utility model discloses the designer of technical scheme can know after carrying out detailed analysis through the structure and the corresponding heat radiation structure to current a series of car lamps and lanterns self including lamps and lanterns such as daytime running light, indicator, brake lamp, these lamps and lanterns generally adopt the radiating metal casing radiating mode of nature at present, no matter be that the heat that the lamps and lanterns operation produced is many or few, still lead to the temperature to rise many or few, radiating process all is a slow process and dispels the heat according to a same pace, obviously, this can't satisfy the heat dissipation situation when the heat is great or when the temperature is higher, in fact, these radiating structure and radiating mode in the past lead to radiating efficiency extremely poor; further, if the heat dissipation condition cannot be met, the driving circuit is overheated to perform heat protection, and finally, the working current is reduced to cause the problem that the driving computer cannot decode, and the problem of fault codes occurs in the driving computer. Therefore, the existing automobile lamp generally adopts a natural heat dissipation mode, and the natural heat dissipation mode becomes one of important factors causing fault codes of the traveling computer.

Another factor, process the utility model discloses technical scheme's designer does after carrying out detailed analysis to the drive division of current car lamps and lanterns self, because the inside LED lamp pearl drive circuit of car lamp adopts the structure of main switch device and controller chip integration encapsulation, the work heat that main switch pipe device produced often can influence the controller and make its temperature rise, so, can make drive circuit overheated and carry out thermal protection equally, further make operating current reduce and lead to the driving computer to decode unsuccessfully, the trouble code finally appears.

The utility model discloses technical scheme's designer is to above cause the driving computer not decode this root cause problem to launch discovery after the analysis, above two aspects of analysis, the heat dissipation and the encapsulation problem of car lamp promptly all are for avoiding appearing the driving computer not decode and the problem that must solve, also be in order to satisfy the demand of current car lamps and lanterns technique.

To sum up the analysis, the utility model discloses just on the basis of current car lamps and lanterns well-known technique, combine the situation that appears in the car lamps and lanterns practical application, under the prerequisite of same technical scheme design, propose further design to car lamps and lanterns heat dissipation and packaging technology, can enough produce the heat through adopting the fan of forcing the heat dissipation with LED lamp pearl and LED drive circuit work and dispel the heat by force, also can avoid the work heat to influence controller temperature through the mode that adopts main switch tube device and controller separation design and rise, finally can ensure the stability of whole lamps and lanterns cooling system and drive controller, the problem of driving computer trouble code can not appear. Therefore, the problem that prior art exists can be solved or partly be solved to the technical scheme who provides, of course, the utility model discloses technical scheme's designer also is after the analysis goes out the various factors that lead to the driving computer not to decode, after the transition scheme that takes each design phase is effectual to carry out a lot of tests and try, finally just obtains the utility model discloses the technical scheme who tends to the best optimization.

SUMMERY OF THE UTILITY MODEL

For overcoming above-mentioned problem or at least partially solve or slowly subtract and solve above-mentioned problem, the utility model provides a can overcome because of the bad control system who leads to car driving computer situation of not decoding of car lamp heat dissipation, it can enough dispel the heat with LED lamp pearl and LED drive circuit work production heat by force through adopting the fan of forcing the heat dissipation, also can avoid the work heat influence to make the controller temperature rise through adopting main switch pipe device and controller separation design structure to ensure the problem that driving computer trouble code can not appear.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an overcome LED control system who leads to not decoding the situation because of car light heat dissipation is bad, its is used for the car lamps and lanterns including day portable lighter, indicator and brake light, and this lamps and lanterns include lamps and lanterns main part, top cap, LED lamp pearl, and lamps and lanterns main part internal assembly LED lamps and lanterns drive plate, and this LED control system includes:

the LED control unit comprises an LED lamp driving board assembled in the lamp main body, an LED lamp panel arranged on the periphery of the lamp main body and a main switching tube which is separated from the LED lamp driving board and independently assembled, wherein the main switching tube is separated from the LED lamp driving board by a heat insulation plate and is used for preventing heat generated by the operation of the main switching tube from being transferred to the LED lamp driving board;

and the heat dissipation unit comprises a heat dissipation fan arranged between the lamp main body and the top cover, is connected with the LED control unit and is used for forcibly dissipating heat of the LED lamp beads and the LED lamp driving board.

For the above technical solutions, other corresponding technical means can also be adopted to form corresponding technical solutions, and these implementable technical means include:

correspondingly, the LED lamp driving board is packaged in the lamp to form an LED packaging driving board, and the main switching tube is independently installed outside the LED packaging driving board;

correspondingly, the LED lamp driving board is provided with a constant current circuit unit.

Further, the constant current circuit unit comprises a U1 controller, four LED lamp beads, an inductor L1 and a diode D11 assembly.

For the LED control system, after the working power supply is input and converted into uniform polarity from diodes D1-D4 and D5-D8, the working power supply is respectively isolated by diodes D9 and D10 in sequence and input to the constant current circuit unit, and the LED lamp beads are driven to work after being processed by the constant current circuit unit.

For the case where U1 is a controller, it includes VCC, GND, DIM, VIN, CSN, DRV ports.

For the technical solutions formed above, other corresponding technical means can be further adopted for supplement, for example:

the implemented LED control system also includes a voltage stabilization processing section; the working power supply of the LED control system is processed by the voltage stabilizing processing part and drives the heat radiation fan to operate to actively carry out forced heat radiation on the lamp main body and the driving part.

The top cover is provided with heat dissipation holes for dissipating heat on the surface.

The heat insulation plate is integrally formed with the main body.

The utility model discloses a force radiating fan to produce the heat with LED lamp pearl and LED drive circuit work and dispel the heat by force, and adopt the mode of main switch pipe device and controller isolated design and avoid work heat to influence controller temperature and rise, therefore, can avoid because of car lamps and lanterns inside components heat dissipation is not good in the past, or the work heat of lamps and lanterns drive circuit main switch pipe arouses controller temperature and rises, can guarantee whole lamps and lanterns cooling system and drive controller's stability finally, the situation of not decoding can not appear, thereby can not lead to driving computer trouble code.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is an exploded view of a lamp structure of an LED control system for overcoming a non-decoding condition caused by poor heat dissipation of a vehicle lamp, according to the present invention;

fig. 2 is a first schematic view of the overall structure of a lamp applying the LED control system of the present invention for overcoming the situation of no decoding caused by poor heat dissipation of the lamp;

fig. 3 is a schematic view of the whole lamp structure of the LED control system for overcoming the non-decoding condition caused by poor heat dissipation of the vehicle lamp according to the present invention;

fig. 4 is a schematic circuit diagram of a LED control system implemented by the present invention for overcoming a situation of non-decoding caused by poor heat dissipation of a vehicle lamp;

fig. 5 is a schematic diagram of a circuit for overcoming the situation of not decoding caused by poor heat dissipation of the car lamp according to the present invention.

In the figure:

1. a base; 2. a lower cover; 3. a lamp panel; 4. a drive plate; 5. a main body; 6. a fan; 7. a top cover; 8. An insulating panel.

Detailed Description

The utility model aims to implement an LED control system for overcoming the problem of non-decoding caused by poor heat dissipation of the car lamp, and the technical means to be implemented aims to solve the problem that the temperature of the controller is increased due to poor heat dissipation of the internal components of the car lamp or the working heat of the main switch tube of the lamp driving circuit in the past, the problem of the fault code of the traveling crane computer, in particular, the utility model applies a corresponding technical proposal by combining the technical problems to be solved, the LED lamp driving circuit can generate heat for forced heat dissipation by adopting a fan for forced heat dissipation to work the LED lamp beads and the LED driving circuit, and can avoid the influence of working heat on the temperature rise of the controller by adopting a mode of separately designing a main switching tube device and the controller, finally ensure the stability of the whole lamp heat dissipation system and the driving controller, and avoid the problem of failure codes of a traveling crane computer.

The technical solution implemented by the present invention is to construct an integral system frame by reasonably arranging the LED control circuit and separating the main switch tube of the LED driving circuit from the controller, because the status of the system is different for different lamps, the related range is possibly wider, and the corresponding conventional technical means is also related, for the conventional technical means which is not within the technical solution of the present invention, the scheme designer does not need to completely explain here, the specific implementation of the present invention also does not need to refine the part models, installation positions, assembly modes, etc. adopted in each link of the system, for example, the power-on between the circuit components obviously adopts the corresponding wire to connect the cavity system to obviously refer to the whole LED lamp, including its circuit components, rather than a device which needs to be additionally installed in the vehicle and is independent of the LED lamp, this is to be understood by the skilled person to be implemented. The circuit connection method of the present invention is not limited to this, but it is not practical to completely list the feasible connection method for the circuit part. Therefore, the implemented technical solution is actually a system framework that can be referred and implemented by those skilled in the art by combining with conventional technical means, and the system framework formed according to the present application can be actually assembled and debugged by those skilled in the art according to different application conditions, so as to construct a final control system, and actually obtain a series of advantages brought by the system framework in the constructed control system, and the advantages will be gradually reflected in the following analysis of the system structure.

The technical scheme of the implementation of the utility model, mainly to solving LED lamp pearl and LED drive division and arousing the drive circuit very easily to carry out the thermal protection and reduce the design of working current this problem and carry out same design, the technical scheme who thinks about includes two parts, one of them, exert the fan of forcing the heat dissipation inside the LED lamps and lanterns with LED lamp pearl and LED drive circuit work production heat and dispel the heat by force, and this radiator fan is connected with the circuit part of LED control system, thereby avoid in one aspect because of the drive circuit overheated working current that causes the thermal protection to descend, lead to the driving computer not to decode and cause the driving computer to appear the trouble code; and secondly, the structure of integrally packaging the main switching tube and the controller of the traditional LED driving circuit is changed into a structure that the main switching tube is independently arranged outside the packaging structure of the controller, so that the temperature of the controller is prevented from being increased due to the influence of heat generated during the work of the controller, and the reduction of working current caused by thermal protection due to overheating of the driving circuit is avoided on the other hand, and the fault code of the traveling crane computer is prevented from being generated due to the fact that the traveling crane computer does not decode.

As shown in fig. 1-3, the present invention is intended to implement an LED control system for overcoming the undecodable condition caused by poor heat dissipation of the car lamp, according to the different car models to which it is applied and the positions of the different lamps of the car, it can be applied to such as daytime running light, steering light, brake light, etc. of automobile, and can be assembled according to the lamp using it or the existing lamp can be assembled after being improved, and the technician can correspondingly implement according to the respective assembling requirements, for example, can be applied to the lamp comprising the base 1, the lower cover 2, the main body 5 and the top cover 7, the outer wall surface of the main body 5 is uniformly provided with a plurality of heat insulation plates 8, the heat insulation plates 8 and the main body 5 are of an integrated structure, and an inner cavity for assembling the LED lamp driving board 4 is formed in the main body 5 by arranging the heat insulation plates 8, so that the LED controller is positioned in the inner cavity of the main body 5 surrounded by the heat insulation plates 8; a heat radiation fan 6 is fixedly arranged in a space formed between the top of the main body 5 and the top cover 7, and the heat radiation fan 6 is connected with a power supply.

Correspondingly, the lamp panel 3 is assembled on the outer surface of the heat insulation board 8, and the lamp panel 3 is connected with a main switch tube for controlling the circuit to be cut off and conducted, so that the main switch tube and the driving board 4 are assembled independently and separated by the heat insulation board 8, namely, the main switch tube is improved to be independently installed outside the packaging structure of the controller, and the temperature rise of the controller caused by the influence of heat generated during the operation of the main switch tube on the controller is avoided.

As shown in fig. 4, the present invention is intended to implement an LED control system for overcoming the situation of no decoding caused by poor heat dissipation of the car lamp, when in specific application, the power supply provided by the car is converted into a uniform polarity from the inputs of diodes D1-D4 and D5-D8 at the LN port, and then is sequentially and respectively isolated by diodes D9 and D10, and then is input to the constant current circuit unit composed of U1, R4, R5, LED1-LED4, L1 and D11, and then is processed by the constant current circuit unit to drive LEDs 1-LED4 to operate, wherein U1 is a controller, and includes VCC, GND, DIM, VIN, CSN and DRV ports, and Q1 is a main switch tube independently installed outside the controller.

As shown in fig. 5, the utility model discloses plan to implement one kind and overcome the LED control system who leads to the situation of not decoding because of the car light heat dissipation is bad, the power is through U3 steady voltage processing back, drive radiator fan M1 operation initiative to lamps and lanterns product metal casing, and drive division forces the heat dissipation, it can enough dispel the heat by force with the heat that LED lamp pearl and LED drive circuit part work produced, thereby ensure the stability of whole lamps and lanterns cooling system and drive controller, the problem of driving computer fault code can not appear.

In the description herein, the appearances of the phrases "embodiment one," "this embodiment," "specific implementation," and the like in connection with the description herein are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention or inventions. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example; furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the description of the present application, the terms "connect", "mount", "fix", "set", "have", etc. are used in a broad sense, for example, the term "connect" may be a fixed connection or an indirect connection through intermediate components without affecting the relationship and technical effects of the components, or may be an integral connection or a partial connection, as in this case, for a person skilled in the art, the specific meaning of the above terms in the present application may be understood according to specific situations.

The above description of the embodiments is intended to facilitate the understanding and application of the various modifications to these embodiments, and will be readily apparent to those skilled in the art, and the general principles described herein may be applied to other embodiments without the use of creative work, therefore, the present disclosure is not limited to the above embodiments, and should be within the scope of the present disclosure for such modifications that ① is based on the present disclosure and combined with the new technical solutions implemented by the common general knowledge in the prior art, and the technical effects produced by the new technical solutions do not exceed the technical effects of the present disclosure, for example, the technical solutions of the present disclosure may be implemented in an automobile lamp by using a cooling fan that can actively dissipate heat from the important LED components, and the lamp main switch tube and the controller are separated from each other, the technical solutions of the present disclosure may not produce additional technical effects, ② is implemented by using the known techniques to replace the equivalent of some of the features of the present disclosure, and the technical effects produced by using the known techniques of the present disclosure may be the same as the technical effects of the present disclosure, for example, the equivalent replacement of the components connected to the internal circuit of the lamp ③ is implemented by using the present disclosure, and the technical solutions of the present disclosure may not be used in the present disclosure, and the present disclosure may be used in other practical applications.

Claims (10)

1. The utility model provides an overcome LED control system who leads to not decoding situation because of car light heat dissipation is bad, its automobile lamps and lanterns that are used for including daytime running light, indicator and brake light, lamps and lanterns include lamps and lanterns main part, top cap, LED lamp pearl, lamps and lanterns main part internal assembly LED lamps and lanterns drive plate, its characterized in that, LED control system includes:

the LED control unit comprises an LED lamp driving board assembled in the lamp main body, an LED lamp panel arranged on the periphery of the lamp main body and a main switching tube which is separated from the LED lamp driving board and independently assembled, wherein the main switching tube is separated from the LED lamp driving board by a heat insulation plate and is used for preventing heat generated by the work of the main switching tube from being transferred to the LED lamp driving board;

and the heat dissipation unit comprises a heat dissipation fan arranged between the lamp main body and the top cover, is connected with the LED control unit and is used for forcibly dissipating heat of the LED lamp beads and the LED lamp driving board.

2. The LED control system for overcoming the undecodable condition due to poor heat dissipation of the vehicle lamp according to claim 1, wherein: the LED lamp driving board is packaged in the lamp to form an LED packaging driving board, and the main switching tube is independently installed outside the LED packaging driving board.

3. The LED control system for overcoming the undecodable condition due to poor heat dissipation of the vehicle lamp according to claim 1, wherein: the LED lamp driving board is provided with a constant current circuit unit.

4. The LED control system for overcoming the undecodable condition due to poor heat dissipation of the vehicle lamp according to claim 3, wherein: the constant current circuit unit comprises a U1 controller, four LED lamp beads, an inductor L1 and a diode D11 component.

5. The LED control system for overcoming the undecodable condition caused by poor heat dissipation of the vehicle lamp according to claim 4, wherein: the working power supply of the LED control system is input from diodes D1-D4 and D5-D8 and converted into uniform polarity, then the uniform polarity is respectively isolated by diodes D9 and D10 in sequence and input to the constant current circuit unit, and the LED lamp beads are driven to work after being processed by the constant current circuit unit.

6. The LED control system for overcoming the undecodable condition caused by poor heat dissipation of the vehicle lamp according to claim 5, wherein: the U1 is a controller including VCC, GND, DIM, VIN, CSN, DRV ports.

7. The LED control system for overcoming the undecodable condition caused by poor heat dissipation of the vehicle lamp according to any one of claims 1 to 6, wherein: the LED control system also comprises a voltage stabilizing processing part.

8. The LED control system for overcoming the undecodable condition due to poor heat dissipation in the vehicle lamp according to claim 7, wherein: the working power supply of the LED control system is processed by the voltage stabilizing processing part and drives the heat radiation fan to operate so as to actively carry out forced heat radiation on the lamp main body and the driving part.

9. The LED control system for overcoming the undecodable condition due to poor heat dissipation of the vehicle lamp according to claim 1, wherein: the surface of the top cover is provided with heat dissipation holes for dissipating heat.

10. The LED control system for overcoming the undecodable condition due to poor heat dissipation of the vehicle lamp according to claim 1, wherein: the heat insulation plate and the main body are integrally formed.

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