Light source module, lamp and vehicle

Abstract

The utility model discloses a light source module, a lamp and a vehicle. The light source module comprises a first light-emitting module, a second light-emitting module, a third light-emitting module and a fourth light-emitting module. The first end of the first light-emitting module is connected with the first connecting end, the second end of the first light-emitting module is connected with the first end of the second light-emitting module, and the second end of the second light-emitting module is connected with the second connecting end; the first end of the third light-emitting module is connected with the second connecting end, the second end of the third light-emitting module is connected with the first end of the fourth light-emitting module, and the second end of the fourth light-emitting module is connected with the first connecting end. By arranging the first light-emitting module, the second light-emitting module, the third light-emitting module and the fourth light-emitting module, non-polar input can be formed, so that no matter which one of the second connecting end and the second connecting end flows in, two light-emitting modules always work, adverse effects caused by reverse connection of a power supply can be prevented, and wiring and installation are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of lamps, and in particular to a light source module, a lamp and a vehicle. Background Art

[0002] Currently, LED lamps are widely used in our daily life. Some LED lamps can be directly connected to DC power supply or battery. For example, LED lamps on vehicles are usually directly connected to the vehicle battery for power supply. This method of directly using DC power supply or battery to drive LED lamps requires that the polarity of the LED lamp must be correctly connected to the polarity of the DC power supply or battery when in use. Once the polarity connection is wrong, it is very likely to damage the lamp. Therefore, positive and negative pole identification inspection must be performed before connection, which brings inconvenience to the installation of the lamp. Utility Model Content

[0003] The embodiments of the utility model provide a light source module, a lamp and a vehicle to solve the problem that the positive and negative poles of LED lamps need to be checked before installation, which causes inconvenience in installation.

[0004] The embodiment of the utility model provides a light source module, comprising a first light emitting module, a second light emitting module, a third light emitting module and a fourth light emitting module;

[0005] The first end of the first light-emitting module is connected to the first connection end, the second end of the first light-emitting module is connected to the first end of the second light-emitting module, and the second end of the second light-emitting module is connected to the second connection end;

[0006] The first end of the third light emitting module is connected to the second connection end, the second end of the third light emitting module is connected to the first end of the fourth light emitting module, and the second end of the fourth light emitting module is connected to the first connection end.

[0007] Preferably, the light source module further includes a current limiting resistor;

[0008] The second end of the first light-emitting module is connected to the first end of the current-limiting resistor, and the first end of the second light-emitting module is connected to the second end of the current-limiting resistor;

[0009] The second end of the third light-emitting module is connected to the second end of the current-limiting resistor, and the first end of the fourth light-emitting module is connected to the first end of the current-limiting resistor.

[0010] Preferably, the first light-emitting module, the second light-emitting module, the third light-emitting module and the fourth light-emitting module each include an LED chip, the anode end of the LED chip is the first end of the light-emitting module, and the cathode end of the LED chip is the second end of the light-emitting module;

[0011] Alternatively, the first light-emitting module, the second light-emitting module, the third light-emitting module and the fourth light-emitting module each include at least two LED chips, at least two of the LED chips are connected end to end, the anode end of the first LED chip is the first end of the light-emitting module, and the cathode end of the last LED chip is the second end of the light-emitting module.

[0012] Preferably, the LED chip is a white light chip.

[0013] Preferably, the white light chip includes a blue light chip and phosphor coated on the blue light chip.

[0014] The embodiment of the utility model further provides a lamp, comprising a housing, a substrate and any one of the above light source modules;

[0015] The light source module is disposed on the substrate, and the substrate is packaged in the housing.

[0016] Preferably, at least one light source module is disposed on each of the first side surface and the second side surface of the substrate.

[0017] Preferably, the housing comprises an injection molded housing;

[0018] The injection-molded housing is coated outside the substrate.

[0019] Preferably, the lamp further comprises a connecting wire;

[0020] One end of the connecting wire is connected to the light source module, and the other end of the connecting wire is used to be connected to the lamp holder.

[0021] An embodiment of the utility model further provides a vehicle, comprising a lamp holder and any one of the lamps described above, wherein the lamp is mounted on the lamp holder.

[0022] The embodiment of the utility model provides a light source module, a lamp and a vehicle. The light source module can form a non-polarity input by setting a first light-emitting module, a second light-emitting module, a third light-emitting module and a fourth light-emitting module, so that no matter which of the second connection end and the first connection end the current flows into, there are always two groups of light-emitting modules working, which can prevent the adverse effects caused by reverse connection of the power supply and facilitate wiring installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments of the utility model will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 This is a schematic diagram of a circuit structure of a light source module in one embodiment of the utility model;

[0025] Figure 2 This is a schematic diagram of the structure of a lamp in one embodiment of the utility model;

[0026] Figure 3 It is a schematic diagram of the block structure of a lamp in one embodiment of the utility model.

[0027] In the figure: 1. light source module; 11. first light emitting module; 12. second light emitting module; 13. third light emitting module; 14. fourth light emitting module; 2. housing; 3. substrate; 4. connecting wires; 5. lamp holder; 6. battery. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0029] In the description of the present invention, it should be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] The embodiment of the utility model provides a light source module 1, including a first light-emitting module 11, a second light-emitting module 12, a third light-emitting module 13 and a fourth light-emitting module 14; the first end of the first light-emitting module 11 is connected to the first connection terminal V1, the second end of the first light-emitting module 11 is connected to the first end of the second light-emitting module 12, and the second end of the second light-emitting module 12 is connected to the second connection terminal V2; the first end of the third light-emitting module 13 is connected to the second connection terminal V2, the second end of the third light-emitting module 13 is connected to the first end of the fourth light-emitting module 14, and the second end of the fourth light-emitting module 14 is connected to the first connection terminal V1.

[0032] As an example, the light source module 1 includes a first light-emitting module 11, a second light-emitting module 12, a third light-emitting module 13 and a fourth light-emitting module 14. The first ends of the first light-emitting module 11, the second light-emitting module 12, the third light-emitting module 13 and the fourth light-emitting module 14 are all positive terminals; the second ends of the first light-emitting module 11, the second light-emitting module 12, the third light-emitting module 13 and the fourth light-emitting module 14 are all negative terminals. The first end of the first light-emitting module 11 is connected to the first connection terminal V1, the second end of the first light-emitting module 11 is connected to the first end of the second light-emitting module 12, and the second end of the second light-emitting module 12 is connected to the second connection terminal V2, forming a light-emitting circuit between the first connection terminal V1 and the second connection terminal V2; the first end of the third light-emitting module 13 is connected to the second connection terminal V2, the second end of the third light-emitting module 13 is connected to the first end of the fourth light-emitting module 14, and the second end of the fourth light-emitting module 14 is connected to the first connection terminal V1, forming another light-emitting circuit between the first connection terminal V1 and the second connection terminal V2.

[0033] In this example, when current flows in from the first connection terminal V1 and flows out from the second connection terminal V2, the first light-emitting module 11 and the second light-emitting module 12 are turned on and working, while the third light-emitting module 13 and the fourth light-emitting module 14 are turned off; when current flows in from the second connection terminal V2 and flows out from the first connection terminal V1, the third light-emitting module 13 and the fourth light-emitting module 14 are turned on and working, while the first light-emitting module 11 and the second light-emitting module 12 are turned off. Therefore, when current flows in from any one of the second connection terminal V2 and the first connection terminal V1, two groups of light-emitting modules are working, which can form a non-polarity input, can prevent the adverse effects caused by reverse power connection, and facilitate wiring installation.

[0034] In one embodiment, the light source module 1 also includes a current limiting resistor R1; the second end of the first light-emitting module 11 is connected to the first end of the current limiting resistor R1, and the first end of the second light-emitting module 12 is connected to the second end of the current limiting resistor R1; the second end of the third light-emitting module 13 is connected to the second end of the current limiting resistor R1, and the first end of the fourth light-emitting module 14 is connected to the first end of the current limiting resistor R1.

[0035] As an example, the light source module 1 also includes a current limiting resistor R1. The current limiting resistor R1 is connected in series between the first light-emitting module 11 and the second light-emitting module 12, the first end of the current limiting resistor R1 is connected to the second end of the first light-emitting module 11, and the second end of the current limiting resistor R1 is connected to the first end of the second light-emitting module 12. At the same time, the current limiting resistor R1 is also connected in series between the third light-emitting module 13 and the fourth light-emitting module 14, the first end of the current limiting resistor R1 is also connected to the second end of the third light-emitting module 13, and the second end of the current limiting resistor R1 is also connected to the first end of the fourth light-emitting module 14. The current limiting resistor R1 is used to limit the current flow through the light-emitting module to prevent the light-emitting module from being damaged by excessive current. In this example, two groups of light-emitting circuits share a current limiting resistor R1, which can simplify the circuit structure and save circuit costs.

[0036] In one embodiment, the first light-emitting module 11, the second light-emitting module 12, the third light-emitting module 13 and the fourth light-emitting module 14 each include an LED chip, the anode end of the LED chip is the first end of the light-emitting module, and the cathode end of the LED chip is the second end of the light-emitting module; or, the first light-emitting module 11, the second light-emitting module 12, the third light-emitting module 13 and the fourth light-emitting module 14 each include at least two LED chips, at least two LED chips are connected end to end, the anode end of the first LED chip is the first end of the light-emitting module, and the cathode end of the last LED chip is the second end of the light-emitting module.

[0037] As an example, the first light-emitting module 11, the second light-emitting module 12, the third light-emitting module 13 and the fourth light-emitting module 14 each include an LED chip, the anode end of the LED chip is the first end of the light-emitting module, and the cathode end of the LED chip is the second end of the light-emitting module. Using the LED chip as the light source of the light-emitting module has the advantages of short response time, low power consumption, and long life.

[0038] Alternatively, the first light-emitting module 11, the second light-emitting module 12, the third light-emitting module 13, and the fourth light-emitting module 14 may also each include at least two LED chips, the at least two LED chips are connected end to end, the anode end of the first LED chip is the first end of the light-emitting module, and the cathode end of the last LED chip is the second end of the light-emitting module. For example, the first light-emitting module 11 may include a first LED chip D1 and a second LED chip D2, the cathode of the first LED chip D1 is connected to the anode of the second LED chip D2, forming an end-to-end connected structure, the first end of the first light-emitting module 11 is the anode end of the first LED chip D1, and the second end of the first light-emitting module 11 is the cathode end of the second LED chip D2, and the second light-emitting module 12, the third light-emitting module 13, and the fourth light-emitting module 14 are similar.

[0039] The LED chip in the first light-emitting module 11 is connected in series with the LED chip in the second light-emitting module 12 to form a light-emitting circuit between the first connection terminal V1 and the second connection terminal V2. The LED chip in the third light-emitting module 13 is connected in series with the LED chip in the fourth light-emitting module 14 to form another light-emitting circuit between the first connection terminal V1 and the second connection terminal V2. When current flows in from the first connection terminal V1 and flows out from the second connection terminal V2, the LED chips in the first light-emitting module 11 and the second light-emitting module 12 are turned on and emit light, while the LED chips in the third light-emitting module 13 and the fourth light-emitting module 14 are turned off; when current flows in from the second connection terminal V2 and flows out from the first connection terminal V1, the LED chips in the third light-emitting module 13 and the fourth light-emitting module 14 are turned on and emit light, while the LED chips in the first light-emitting module 11 and the second light-emitting module 12 are turned off. Therefore, when current flows in from any one of the second connection terminal V2 and the first connection terminal V1, two groups of light-emitting modules work, which can form a non-polarity input, can prevent adverse effects caused by reverse connection of the power supply, and facilitate wiring installation.

[0040] In one embodiment, the LED chip is a white light chip.

[0041] As an example, the LED chip may be a white light chip, which can generate white light to meet lighting needs in a variety of occasions and is universal and economical.

[0042] In one embodiment, the white light chip includes a blue light chip and phosphor coated on the blue light chip.

[0043] As an example, white light chips can usually be formed in two ways. The first is to use "blue light technology" to combine blue light chips with phosphors to form white light. The second is to use two or more complementary 2-color LED light-emitting diodes or 3 primary color LED light-emitting diodes to mix light to form white light. In this example, the white light chip uses the first method, using a blue light chip and phosphors coated on the blue light chip to form a white light chip, so as to reduce costs and simplify the drive circuit design.

[0044] The embodiment of the utility model further provides a lamp, comprising a housing 2 , a substrate 3 and the light source module 1 in any of the above embodiments; the light source module 1 is arranged on the substrate 3 , and the substrate 3 is packaged in the housing 2 .

[0045] As an example, the lamp includes a shell 2, a substrate 3 and a light source module 1 in any of the above examples. The substrate 3 can be a PCB board, and the light source module 1 is arranged on the substrate 3. The top mold process can be used for glue pouring, and the substrate 3 can be encapsulated in the shell 2 formed by glue injection molding, so as to achieve waterproof, dustproof, insulating, thermal conductive and other effects on the internal substrate 3 and the light source module 1.

[0046] In this example, the lamp can form a non-polarity input by setting the first light-emitting module 11, the second light-emitting module 12, the third light-emitting module 13 and the fourth light-emitting module 14 in the light source module 1, so that no matter which of the second connection terminal V2 and the first connection terminal V1 the current flows into, there are always two groups of light-emitting modules working, which can prevent the adverse effects caused by reverse connection of the power supply and facilitate wiring installation.

[0047] In one embodiment, at least one light source module 1 is disposed on both the first side surface and the second side surface of the substrate 3 .

[0048] As an example, Figure 2 As shown, at least one light source module 1 can be disposed on both the front and back sides of the substrate 3, and any two light source modules 1 can be connected in series or in parallel. By arranging light source modules 1 on both the front and back sides of the substrate 3, the light emitted by the encapsulated lamp can be made more uniform and three-dimensional, meeting the installation and lighting requirements.

[0049] In one embodiment, the housing 2 includes an injection-molded shell; the injection-molded shell is coated on the outside of the substrate 3 .

[0050] As an example, the shell 2 can be an injection-molded shell that is formed by glue injection and curing using a mold top process and is coated on the outside of the substrate 3. The material of the injection-molded shell can be polyurethane or epoxy resin, etc., which can form packaging protection for the front and back sides of the substrate 3 and play the role of waterproofing, dustproofing, insulation, and heat conduction.

[0051] In one embodiment, the lamp further comprises a connecting wire 4 ; one end of the connecting wire 4 is connected to the light source module 1 , and the other end of the connecting wire 4 is used to be connected to the lamp holder 5 .

[0052] As an example, the lamp also includes two connecting wires 4 arranged on the substrate 3, the first end of one connecting wire 4 is connected to the first connecting terminal V1 in the light source module 1, and the first end of the other connecting wire 4 is connected to the second connecting terminal V2 in the light source module 1, and the second ends of the two connecting wires 4 extend out of the substrate 3 and the housing 2, and are used to be connected to the lamp holder 5 for installing the lamp to establish a complete conductive circuit.

[0053] The embodiment of the utility model further provides a vehicle, comprising a lamp holder 5 and a lamp in any one of the above embodiments, wherein the lamp is assembled on the lamp holder 5 .

[0054] As an example, the vehicle includes a lamp holder 5 and a lamp in any of the above examples, the lamp is mounted on the lamp holder 5, the connecting wire 4 in the lamp is connected to the lamp holder 5, and the power line in the lamp holder 5 is connected to the 12V DC battery 6 of the vehicle. In this example, the lamp can form a non-polarity input by arranging a first light-emitting module 11, a second light-emitting module 12, a third light-emitting module 13 and a fourth light-emitting module 14 in the light source module 1, so that no matter which of the second connection terminal V2 and the first connection terminal V1 the current flows into, there are always two groups of light-emitting modules working, which can prevent adverse effects caused by reverse connection of the power supply and facilitate wiring installation.

[0055] The embodiments described above are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention, and should be included in the protection scope of the present invention.

Claims

1. A light source module, characterized in that: comprising a first light emitting module, a second light emitting module, a third light emitting module and a fourth light emitting module; The first end of the first light-emitting module is connected to the first connection end, the second end of the first light-emitting module is connected to the first end of the second light-emitting module, and the second end of the second light-emitting module is connected to the second connection end; The first end of the third light emitting module is connected to the second connection end, the second end of the third light emitting module is connected to the first end of the fourth light emitting module, and the second end of the fourth light emitting module is connected to the first connection end.

2. The light source module according to claim 1, characterized in that: The light source module also includes a current limiting resistor; The second end of the first light-emitting module is connected to the first end of the current-limiting resistor, and the first end of the second light-emitting module is connected to the second end of the current-limiting resistor; The second end of the third light emitting module is connected to the second end of the current limiting resistor, and the first end of the fourth light emitting module is connected to the first end of the current limiting resistor.

3. The light source module according to claim 2, characterized in that: The first light-emitting module, the second light-emitting module, the third light-emitting module and the fourth light-emitting module each include an LED chip, the anode end of the LED chip is the first end of the light-emitting module, and the cathode end of the LED chip is the second end of the light-emitting module; Alternatively, the first light-emitting module, the second light-emitting module, the third light-emitting module and the fourth light-emitting module each include at least two LED chips, at least two of the LED chips are connected end to end, the anode end of the first LED chip is the first end of the light-emitting module, and the cathode end of the last LED chip is the second end of the light-emitting module.

4. The light source module according to claim 3, characterized in that: The LED chip is a white light chip.

5. The light source module according to claim 4, characterized in that: The white light chip includes a blue light chip and phosphor coated on the blue light chip.

6. A lamp, characterized in that: Comprising a housing, a substrate and the light source module according to any one of claims 1 to 5; The light source module is disposed on the substrate, and the substrate is packaged in the housing.

7. The lamp according to claim 6, characterized in that: At least one light source module is disposed on each of the first side surface and the second side surface of the substrate.

8. The lamp according to claim 6, characterized in that: The housing comprises an injection-molded housing; The injection-molded housing is coated outside the substrate.

9. The lamp according to claim 6, characterized in that: The lamp also includes a connecting wire; One end of the connecting wire is connected to the light source module, and the other end of the connecting wire is used to be connected to the lamp holder.

10. A vehicle, characterized in that: The invention comprises a lamp holder and the lamp according to any one of claims 6 to 9, wherein the lamp is mounted on the lamp holder.

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