CN214306570U - LED lamp module - Google Patents
LED lamp module Download PDFInfo
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- CN214306570U CN214306570U CN202120571015.9U CN202120571015U CN214306570U CN 214306570 U CN214306570 U CN 214306570U CN 202120571015 U CN202120571015 U CN 202120571015U CN 214306570 U CN214306570 U CN 214306570U
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Abstract
The utility model provides a LED lamp module, which comprises an injection molding bottom cover, an injection molding plastic body, a PCB, an LED lamp module and a lens module; the injection molding bottom cover is positioned on one side of the injection molding body; the PCB is positioned on one side of the injection molding body, which is far away from the injection molding bottom cover; the LED lamp module is positioned on one side of the PCB, which is far away from the injection molding bottom cover; the lens module covers the LED lamp module. The utility model provides a LED lamp module, simple structure and dustproof effectual.
Description
Technical Field
The utility model relates to the field of lighting, especially, relate to a LED lamp module group.
Background
The LED lamp module comprises a plurality of LED lamps, and the LED lamps have the advantages of long service life, low power consumption, high brightness and the like, so that the LED lamp module comprising the LED lamps is widely applied to illumination.
Under the condition of long-time use of the LED lamp module, dust can be deposited inside the LED lamp module, and the lighting effect of the LED lamp module is influenced.
LED lamp module among the prior art's dustproof effect is poor, and the structure is complicated.
SUMMERY OF THE UTILITY MODEL
The utility model provides a LED lamp module, simple structure and dustproof effectual.
The utility model provides a LED lamp module, which comprises an injection molding bottom cover, an injection molding plastic body, a PCB, an LED lamp module and a lens module;
the injection molding bottom cover is positioned on one side of the injection molding body;
the PCB is positioned on one side of the injection molding body, which is far away from the injection molding bottom cover;
the LED lamp module is positioned on one side of the PCB, which is far away from the injection molding bottom cover;
the lens module covers the LED lamp module.
Optionally, one side of the injection molding glue body close to the injection molding bottom cover comprises at least one through hole;
one side of the injection molding bottom cover close to the injection molding body comprises at least one raised column body;
the through hole is detachably connected with the column body.
Optionally, the LED lamp module includes at least two LED lamps;
the lens module comprises at least two lenses;
the number of the lenses is equal to that of the LED lamps;
one of the lenses covers one of the LED lamps.
Optionally, the LED lamps in the LED lamp modules are connected in series.
Optionally, the PCB includes a rectifier bridge module, a constant current chip, and a first resistor;
the first input end of the rectification bridge module is connected with the first end of a mains supply, the second input end of the rectification bridge module is connected with the second end of the mains supply, the first output end of the rectification bridge module is connected with the first end of the LED lamp module, and the second output end of the rectification bridge module is grounded;
the second end of the LED lamp module is connected with the first current input end of the constant current chip;
a first current sampling end of the constant current chip is connected with a first end of the first resistor;
the first end of the first resistor is grounded.
Optionally, the PCB further includes a silicon controlled dimmer;
the first end of the silicon controlled rectifier dimmer is connected with the first end of the mains supply, and the second end of the silicon controlled rectifier dimmer is connected with the second end of the mains supply.
Optionally, the PCB further includes a second resistor and a third resistor;
the first end of the second resistor is connected with the first output end of the rectifier bridge module, and the second end of the second resistor is connected with the second current input end of the constant current chip;
the first end of the third resistor is connected with the second current sampling end of the constant current chip, and the second end of the third resistor is connected with the first end of the first resistor.
Optionally, the PCB further includes a capacitor;
the first end of the capacitor is connected with the first output end of the rectifier bridge module, and the second end of the capacitor is grounded.
Optionally, the PCB further includes a protection module;
the first end of protection module with the second end of commercial power is connected, the second end of protection module with the second input of rectification bridge module is connected.
Optionally, the constant current chip includes a first free end and a second free end;
the first free end and the second free end are used for fixing the constant current chip.
The embodiment of the utility model provides a pair of LED lamp module covers LED lamp module through setting up the lens module and protects LED lamp module, ensures that LED lamp module has dustproof damp-proof function through the bottom setting of will moulding plastics in one side of the injection plastic body. The utility model provides a LED lamp module, simple structure and dustproof effectual.
Drawings
Fig. 1 is a schematic diagram of an explosion structure of an LED lamp module according to the present invention;
fig. 2 is a schematic structural diagram of a principle of an LED lamp module according to the present invention;
fig. 3 is a schematic structural diagram of the output power of the constant current chip varying with temperature according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another LED lamp module according to the present invention.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad embodiments of the invention. It should be further noted that, for convenience of description, only some structures, but not all structures, related to the embodiments of the present invention are shown in the drawings.
Fig. 1 is a schematic diagram of an explosion structure of an LED lamp module according to the present invention, and referring to fig. 1, the LED lamp module according to the present invention includes an injection molding bottom cover 110, an injection molding glue 120, a PCB 130, an LED lamp module 140, and a lens module 150; the injection molding bottom cover 110 is positioned at one side of the injection molding body 120; the PCB 130 is located on a side of the injection molding body 120 away from the injection molding bottom cover 110; the LED lamp module 140 is located on one side of the PCB 130 away from the injection molding bottom cover 110; the lens module 150 covers the LED lamp module 140.
Specifically, the PCB 130 is used to drive the LED lamp module 140 to emit light, and the lens module 150 is used to protect the LED lamp module 140. In the manufacturing process of the LED lamp module, the PCB 130, the LED lamp module 140 and the lens module 150 need to be installed on one side of the injection molding plastic 120, so the injection molding plastic 120 needs to be fixed on the experiment table, which will cause the injection molding plastic 120 to be far away from one side of the PCB 130, and if these through holes are not packaged, the dust will enter the LED lamp module, thereby affecting the brightness of the LED lamp module. The injection molding bottom cover 110 is used for sealing the through hole in the injection molding plastic body 120, so that external water vapor and dust cannot enter the LED lamp module, the LED lamp module is ensured to have dustproof and moistureproof effects, and the service life of the LED lamp module is longer. The material adopted by the injection molding body 120 and the injection molding bottom cover 110 is alloy PVC, and the compression resistance, yellowing resistance and bursting resistance of the LED lamp module are enhanced by using the material. Illustratively, the LED lamp module 140 may include an 283552V LED lamp, which has good heat dissipation performance, is convenient to cut and flexible to install, has a high power factor of not less than 0.9, can effectively reduce power grid loss and improve power grid efficiency, has a light emitting efficiency of 80LM/W, and is energy-saving, safe and environment-friendly.
The embodiment of the utility model provides a pair of LED lamp module covers LED lamp module through setting up the lens module and protects LED lamp module, ensures that LED lamp module has dustproof damp-proof function through the bottom setting of will moulding plastics in one side of the injection plastic body. The utility model provides a LED lamp module, simple structure and dustproof effectual.
Optionally, one side of the injection molding glue body close to the injection molding bottom cover comprises at least one through hole; one side of the injection molding bottom cover close to the injection molding body comprises at least one raised column body 10; the through hole is detachably connected with the cylinder 10.
Specifically, the mode that the through-hole on the injection molding colloid and the protruding cylinder 10 accessible caulking groove concatenation on the bottom of moulding plastics make the injection molding colloid be connected with the bottom of moulding plastics, wherein, can dismantle between injection molding colloid and the bottom of moulding plastics and be connected, when needs maintenance LED lamp module group, can dismantle the bottom of moulding plastics from LED lamp module group, maintains LED lamp module group, installs simple swiftly in practical application, uses extensively.
Optionally, with continued reference to fig. 1, the LED lamp module 140 includes at least two LED lamps 141; the lens module 150 includes at least two lenses 151; the number of lenses 151 is equal to the number of LED lamps 141; a lens 151 covers one LED lamp 141.
Specifically, the material of lens 151 is PVC, covers LED lamp 141 with lens 151, can prevent dust on the one hand, dampproofing and waterproof, on the other hand, the utility model discloses a lens 151 is convex lens, can make the scope that LED lamp 141 shines wider.
Optionally, fig. 2 is a schematic diagram of a schematic structure of an LED lamp module according to the present invention, referring to fig. 2, the LED lamps 141 in the LED lamp module 140 are connected in series.
Specifically, fig. 2 exemplarily shows that the LED lamp module 140 includes four LED lamps 141, and the four LED lamps 141 are connected in series, so that the LED lamps 141 in the LED lamp module 140 can be simultaneously turned on after the LED lamp module 140 is powered on.
Optionally, with continued reference to fig. 2, the PCB board includes a rectifying bridge module 131, a constant current chip 132, and a first resistor R1; a first input end of the rectification bridge module 131 is connected with a first end of the commercial power, a second input end of the rectification bridge module 131 is connected with a second end of the commercial power, a first output end of the rectification bridge module 131 is connected with a first end of the LED lamp module 140, and a second output end of the rectification bridge module 131 is grounded; a second end of the LED lamp module 140 is connected to the first current input end D1 of the constant current chip 132; the first current sampling end S1 of the constant current chip 132 is connected with the first end of the first resistor R1; a first terminal of the first resistor R1 is connected to ground.
Specifically, rectification bridge module 131 is used for converting the alternating current into the direct current, and the direct current after the conversion can directly start LED lamp module 140, makes LED lamp module 140 luminous, and the joining of rectification bridge module 131 can make LED lamp module group power removal, reduces the volume of LED lamp module group, and rectification bridge module 141's is small in addition, consequently, the utility model provides an LED lamp module group compares in the LED lamp module group among the prior art, has smallly, saves installation space's advantage. The first current sampling end S1 of the constant current chip 132 is configured to detect a current passing through the constant current chip 132, and when the first current sampling end S1 of the constant current chip 132 detects that the current is greater than a maximum current value that the constant current chip 132 can bear, the constant current chip 132 reduces the current input by the first current input end D1, and since the constant current chip 132 is connected in series with the LED lamp module 140, the current passing through the constant current chip 132 is reduced, and then the current of the LED lamp module 140 is correspondingly reduced, thereby preventing the LED lamp module 140 from being burned down by the LED lamp module 140 due to an excessive current, and further prolonging the service life of the LED lamp module 140. The constant current chip 132 incorporates the reference voltage Vref, and the current I passing through the constant current chip 132 can be calculated by comparing the reference voltage with the resistance value R of the first resistor R1, that is:
therefore, the constant current chip 132 can determine whether the current passing through the constant current chip 132 is larger than the maximum current that the constant current chip 132 can bear by sampling the current of the first resistor R1. The current limiting unit is arranged in the constant current chip 132, when the temperature of the constant current chip 132 rises, the output current of the constant current chip 132 is automatically reduced step by step, the temperature of the constant current chip 132 is controlled not to rise any more, so that the phenomenon that the constant current chip 132 is short-circuited or broken due to overhigh temperature of the constant current chip 132 is avoided, the reliability of the LED lamp module is finally improved, the service life of the LED lamp module is further prolonged, and the constant current precision of the constant current chip can reach 5%. Fig. 3 is the structure diagram of the output power of the constant current chip provided by the embodiment of the present invention changing with the temperature, referring to fig. 3, when the temperature of the constant current chip is greater than a certain value, the output power of the constant current chip will be greatly reduced to avoid the damage of the constant current chip due to the over-high temperature.
Optionally, fig. 4 is a schematic structural diagram of another LED lamp module according to the present invention, referring to fig. 4, the PCB further includes a silicon controlled rectifier dimmer 133; a first end of the triac dimmer 133 is connected to a first end of the mains, and a second end of the triac dimmer 133 is connected to a second end of the mains.
Specifically, the thyristor dimmer 133 is used for adjusting the luminous flux of the LED lamp module 140, and avoids the phenomenon that the LED lamp module 140 flickers when emitting light, and in addition, the thyristor dimmer 133 further has the characteristics of simple circuit and low cost, and the cost of the LED lamp module is reduced under the condition that the LED lamp module is guaranteed to normally work.
Optionally, with continued reference to fig. 4, the PCB further includes a second resistor R2 and a third resistor R3; a first end of the second resistor R2 is connected to the first output end of the rectifier bridge module 131, and a second end of the second resistor R2 is connected to the second current input end D2 of the constant current chip 132; a first end of the third resistor R3 is connected to the second current sampling end S2 of the constant current chip 132, and a second end of the third resistor R3 is connected to a first end of the first resistor R1.
Specifically, the second current sampling terminal S2 is used to detect the current passing through the triac dimmer 133, and when the second current sampling terminal S2 of the constant current chip 132 detects that the current is greater than the maximum current value that the constant current chip 132 can bear, the constant current chip 132 will reduce the current input from the second current input terminal, so as to provide the triac dimmer 133 with a current that works normally.
Optionally, with continued reference to fig. 4, the PCB further includes a capacitor C; the first end of the capacitor C is connected to the first output end of the rectifier bridge module 131, and the second end of the capacitor C is grounded.
Specifically, a capacitor C is disposed in the PCB to provide a filtering function for the constant current chip 132.
Optionally, with continued reference to fig. 4, the PCB further comprises a protection module 134; the first end of the protection module 134 is connected to the second end of the utility power, and the second end of the protection module 134 is connected to the second input end of the rectifier bridge module 131.
Specifically, the protection module 134 is configured to protect the rectifier bridge module 131, the LED lamp module 140, the thyristor dimmer 133 and the constant current chip 132, and when the current of the utility power is suddenly increased, the second end of the protection module 134 is disconnected from the first input end of the rectifier bridge module 131, so as to prevent the rectifier bridge module 131, the LED lamp module 140, the thyristor dimmer 133 and/or the constant current chip 132 from being burned out by an excessive current.
Optionally, with continued reference to fig. 4, the constant current chip 132 includes a first free end NC1 and a second free end NC 2; the first free end NC1 and the second free end NC2 are used for fixing the constant current chip 132.
Specifically, the constant current chip 132 is prevented from falling off the PCB by soldering the first free end NC1 and the second free end NC2 to fix the constant current chip 132.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the embodiments of the present invention are not limited to the particular embodiments described herein, but are capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the embodiments of the invention. Therefore, although the embodiments of the present invention have been described in greater detail through the above embodiments, the embodiments of the present invention are not limited to the above embodiments, and many other equivalent embodiments can be included without departing from the concept of the embodiments of the present invention, and the scope of the embodiments of the present invention is determined by the scope of the appended claims.
Claims (10)
1. An LED lamp module is characterized by comprising an injection molding bottom cover, an injection molding plastic body, a PCB, an LED lamp module and a lens module;
the injection molding bottom cover is positioned on one side of the injection molding body;
the PCB is positioned on one side of the injection molding body, which is far away from the injection molding bottom cover;
the LED lamp module is positioned on one side of the PCB, which is far away from the injection molding bottom cover;
the lens module covers the LED lamp module.
2. The LED lamp module of claim 1, wherein a side of the injection molded body adjacent to the injection molded bottom cover comprises at least one through hole;
one side of the injection molding bottom cover close to the injection molding body comprises at least one raised column body;
the through hole is detachably connected with the column body.
3. The LED lamp module of claim 1, wherein the LED lamp module comprises at least two LED lamps;
the lens module comprises at least two lenses;
the number of the lenses is equal to that of the LED lamps;
one of the lenses covers one of the LED lamps.
4. The LED lamp module of claim 3, wherein the LED lamps in the LED lamp module are connected in series.
5. The LED lamp module of claim 1, wherein the PCB board comprises a rectifier bridge module, a constant current chip and a first resistor;
the first input end of the rectification bridge module is connected with the first end of a mains supply, the second input end of the rectification bridge module is connected with the second end of the mains supply, the first output end of the rectification bridge module is connected with the first end of the LED lamp module, and the second output end of the rectification bridge module is grounded;
the second end of the LED lamp module is connected with the first current input end of the constant current chip;
a first current sampling end of the constant current chip is connected with a first end of the first resistor;
the first end of the first resistor is grounded.
6. The LED lamp module of claim 5, wherein the PCB board further comprises a thyristor dimmer;
the first end of the silicon controlled rectifier dimmer is connected with the first end of the mains supply, and the second end of the silicon controlled rectifier dimmer is connected with the second end of the mains supply.
7. The LED lamp module of claim 5, wherein the PCB board further comprises a second resistor and a third resistor;
the first end of the second resistor is connected with the first output end of the rectifier bridge module, and the second end of the second resistor is connected with the second current input end of the constant current chip;
the first end of the third resistor is connected with the second current sampling end of the constant current chip, and the second end of the third resistor is connected with the first end of the first resistor.
8. The LED lamp module of claim 5, wherein the PCB board further comprises a capacitor;
the first end of the capacitor is connected with the first output end of the rectifier bridge module, and the second end of the capacitor is grounded.
9. The LED lamp module of claim 5, wherein the PCB board further comprises a protection module;
the first end of protection module with the second end of commercial power is connected, the second end of protection module with the second input of rectification bridge module is connected.
10. The LED lamp module of claim 5, wherein the constant current chip comprises a first free end and a second free end;
the first free end and the second free end are used for fixing the constant current chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120571015.9U CN214306570U (en) | 2021-03-19 | 2021-03-19 | LED lamp module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120571015.9U CN214306570U (en) | 2021-03-19 | 2021-03-19 | LED lamp module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214306570U true CN214306570U (en) | 2021-09-28 |
Family
ID=77836880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120571015.9U Active CN214306570U (en) | 2021-03-19 | 2021-03-19 | LED lamp module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214306570U (en) |
-
2021
- 2021-03-19 CN CN202120571015.9U patent/CN214306570U/en active Active
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