CN210899759U - Emergency lighting LED indicator lamp - Google Patents
Emergency lighting LED indicator lamp Download PDFInfo
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- CN210899759U CN210899759U CN201922302969.5U CN201922302969U CN210899759U CN 210899759 U CN210899759 U CN 210899759U CN 201922302969 U CN201922302969 U CN 201922302969U CN 210899759 U CN210899759 U CN 210899759U
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Abstract
The utility model discloses an emergency lighting LED indicator lamp, which comprises an outer shell, an LED load and an LED power supply device, wherein the outer shell is provided with an indicating part; the LED is arranged in the outer shell to illuminate the indicating part when the LED emits light, so that the indicating part plays an indicating role; LED power supply unit installs in the shell and links to each other with the LED load to supply power so that the LED load is luminous to the LED load through LED power supply unit, the utility model discloses can play emergency lighting's effect well, simple structure, it is with low costs.
Description
Technical Field
The utility model relates to an emergency lighting LED pilot lamp.
Background
At present, most of the existing emergency lighting LED indicator lamps are complex in structure and high in power consumption, so that the production cost and the use cost are high.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide an emergency lighting LED pilot lamp, it can play emergency lighting's effect well, simple structure, and is with low costs.
In order to solve the technical problem, the technical scheme of the utility model is that: an emergency lighting LED indicator comprising:
the shell is provided with an indicating part;
an LED load mounted within the outer housing to illuminate the indicator portion when illuminated such that the indicator portion functions as an indicator;
and the LED power supply device is arranged in the outer shell and is connected with the LED load so as to supply power to the LED load through the LED power supply device to enable the LED load to emit light.
The specific structure of the LED power supply device is further provided, and the LED power supply device comprises a mains supply input interface, a driving module and a battery; wherein,
the commercial power input interface is connected with 220V alternating current and is suitable for accessing 220V alternating current;
the driving module is respectively connected with the mains supply input interface, the battery and the LED load and is suitable for driving the LED load to work and charging the battery when 220V alternating current is input into the driving module through the mains supply input interface; and
and when the mains supply input interface is powered off, the battery is controlled to supply power to the LED load so as to enable the LED load to work.
Further in order to conveniently know whether the battery is in a charging state, the emergency lighting LED indicator lamp further comprises a charging indicator lamp connected with the driving module, and the driving module is also suitable for driving the charging indicator lamp to work while charging the battery.
Further, in order to facilitate the installation of the whole emergency lighting LED indicator lamp on the external fixing member, the inner side of the outer housing has a clamping portion for clamping the emergency lighting LED indicator lamp on the external fixing member.
The driving module comprises a rectification filter circuit, a variable-frequency voltage reduction circuit, a charging circuit, an output driving circuit and an emergency control circuit; wherein,
the input end of the rectification filter circuit is connected with the commercial power input interface and is suitable for rectifying and filtering 220V alternating current to output rectified and filtered voltage;
the input end of the variable-frequency voltage reduction circuit is connected with the output end of the rectification filter circuit and is suitable for reducing the rectification filter voltage to output working voltage;
the input end of the charging circuit is connected with the output end of the variable-frequency voltage-reducing circuit, the input end of the charging circuit is connected with a battery, and the variable-frequency voltage-reducing circuit is also suitable for charging the battery through the charging circuit;
the input end of the output driving circuit is respectively connected with the output end of the variable-frequency voltage reduction circuit and the charging circuit, and the input end of the output driving circuit is connected with the LED indicator lamp to drive the LED indicator lamp to work;
the input end of the emergency control circuit is connected with the input end of the variable-frequency voltage reduction circuit, the output end of the emergency control circuit is connected with the output driving circuit respectively, and the emergency control circuit is suitable for completing conversion control of the LED load between commercial power supply and battery power supply.
Furthermore, the emergency lighting LED indicator lamp also comprises a charging indicator lamp connected with the driving module;
the charging circuit is connected with the charging indicator light and is suitable for driving the charging indicator light to work when a battery is charged.
Further, the variable-frequency voltage reduction circuit comprises a flyback switch circuit and a filter capacitor connected in parallel with the output end of the flyback switch circuit.
After the technical scheme is adopted, the LED load is powered by the LED power supply device, so that the LED load emits light, the LED load illuminates the indicating part, and the indicating part plays an indicating role; the commercial power input interface is connected with 220V alternating current, so that the driving module drives the LED load to work and charges the battery, at the moment, the emergency lighting LED indicator lamp works in a continuous mode, and the charging indicator lamp is lightened; in case the commercial power falls the electricity, then by drive module control battery to the power supply of LED load, at this moment, the charge indicator lights extinguish, at this moment, emergency lighting LED pilot lamp work is in "emergency mode", the utility model discloses a LED power supply unit all can normally work under the circumstances that has commercial power and no commercial power, and the low power dissipation can long-term steady operation, accords with the green requirement that the country advocated energetically.
Drawings
Fig. 1 is a schematic view of the internal structure of the emergency lighting LED indicator light of the present invention;
fig. 2 is a front view of the emergency lighting LED indicator light of the present invention;
fig. 3 is a schematic block diagram of the emergency lighting LED indicator light of the present invention;
fig. 4 is a schematic block diagram of a driving module according to the present invention;
fig. 5 is a circuit diagram of the driving module of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1 to 5, an emergency lighting LED indicator lamp includes:
the device comprises an outer shell 1, wherein an indicating part 2 is arranged on the outer shell 1;
an LED load 3 installed inside the outer case 1 to illuminate the indicating part 2 when it emits light so that the indicating part 2 performs an indicating function;
and the LED power supply device is arranged in the outer shell 1 and is connected with the LED load 3, so that power is supplied to the LED load 3 through the LED power supply device to enable the LED load 3 to emit light.
Specifically, be the power supply of LED load 3 through LED power supply device for LED load 3 is luminous, and LED load 3 illumination instruction portion 2, and then make instruction portion 2 play indicative function, the utility model discloses overall structure is simple, and the inner structure overall arrangement is novel, reasonable, and convenient preparation, and then has reduced manufacturing cost, and has the effect of emergency lighting and urgent sparse sign concurrently.
As shown in fig. 1 and 3, the LED power supply device includes a mains input interface 4, a driving module 5 and a battery 6; wherein,
the commercial power input interface 4 is connected with 220V alternating current and is suitable for being connected with 220V alternating current;
the driving module 5 is respectively connected with the mains supply input interface 4, the battery 6 and the LED load 3, and is suitable for driving the LED load 3 to work and charging the battery 6 when 220V alternating current is input into the driving module by the mains supply input interface 4; and
when the mains input interface 4 is powered off, the battery 6 is controlled to supply power to the LED load 3 to operate the LED load 3.
In the present embodiment, the battery 6 supplies power to the LED load 3 through the driving module 5.
As shown in fig. 1, in order to facilitate the knowledge of whether the battery 6 is in a charging state, the emergency lighting LED indicator further includes a charging indicator 7 connected to the driving module 5, and the driving module 5 is further adapted to drive the charging indicator 7 to operate while charging the battery 6.
Specifically, the commercial power input interface 4 is connected with 220V alternating current, so that the driving module 5 drives the LED load 3 to work, and simultaneously charges the battery 6, at this time, the emergency lighting LED indicator lamp works in a "continuous mode", and the charging indicator lamp 7 is turned on; in case the commercial power falls the electricity, then by drive module 5 control battery 6 to the power supply of LED load 3, this moment, charge indicator 7 extinguishes, and at this moment, emergency lighting LED pilot lamp work is in "emergency mode", the utility model discloses a LED power supply unit all can normally work under the circumstances that has city and no commercial power, and the low power dissipation can long-term steady operation, accords with the green requirement that the country advocated energetically.
As shown in fig. 1, in order to facilitate the installation of the whole emergency lighting LED indicator lamp on the external fixture, the inner side of the outer housing 1 has a fastening portion 8 for fastening it on the external fixture.
As shown in fig. 4 and 5, the driving module 5 includes a rectifying and filtering circuit 51, a variable frequency step-down circuit 52, a charging circuit 53, an output driving circuit 54, and an emergency control circuit 55; wherein,
the input end of the rectifying and filtering circuit 51 is connected with the mains supply input interface 4 and is suitable for rectifying and filtering 220V alternating current to output a rectified and filtered voltage;
the input end of the variable-frequency voltage-reducing circuit 52 is connected with the output end of the rectifying and filtering circuit 51, and is suitable for reducing the rectifying and filtering voltage to output working voltage;
the input end of the charging circuit 53 is connected with the output end of the variable-frequency voltage-reducing circuit 52, the input end of the charging circuit is connected with the battery 6, and the variable-frequency voltage-reducing circuit 52 is also suitable for charging the battery 6 through the charging circuit 53;
the input end of the output driving circuit 54 is respectively connected with the output end of the variable frequency step-down circuit 52 and the charging circuit 53, and the input end is connected with the LED indicator lamp to drive the LED indicator lamp to work;
the input end of the emergency control circuit 55 is connected with the input end of the variable-frequency voltage-reducing circuit 52, and the output ends of the emergency control circuit are respectively connected with the output driving circuit 54, so that the conversion control of the LED load 3 between the mains supply and the battery 6 is completed.
In the present embodiment, the charging circuit 53 is connected to the charging indicator light 7, and is further adapted to drive the charging indicator light 7 to operate when the battery 6 is charged.
Specifically, under the normal power supply condition, 220V ac power is input into the rectifying and filtering circuit 51, and is rectified and filtered by the rectifying and filtering circuit 51 to generate a dc voltage of about 300V, and the voltage is applied to the variable-frequency step-down circuit 52, and is subjected to oscillation and frequency conversion by the flyback switching circuit to generate a dc voltage of about 7.5V at two ends of the filter capacitor, so as to provide an ideal working voltage for the subsequent circuit. The 7.5V voltage is used for charging the external battery 6 through the charging circuit 53 and providing a control signal for the charging indicator lamp 7 to light the charging indicator lamp 7; the other path provides working voltage for the LED load 3 through the output driving circuit 54; and the last path is connected to an emergency control circuit 55, and the on-off of the emergency control circuit 55 is finally controlled, so that the conversion control of the power supply of the LED load 3 by the battery 6 under the commercial power supply and emergency state is completed.
As shown in fig. 5, the variable frequency buck circuit 52 includes a flyback switching circuit and a filter capacitor connected in parallel to an output terminal of the flyback switching circuit.
Specifically, peripheral elements such as the transformer TR2, the chip IC1 and the photocoupler OPTO form a flyback switching circuit, and the flyback switching circuit oscillates and converts frequency to generate direct-current voltage with about 7.5V effect at two ends of the filter capacitor C5 to provide ideal working voltage for a post-stage circuit.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (7)
1. An emergency lighting LED indicator lamp is characterized in that,
it includes:
the device comprises an outer shell (1), wherein the outer shell (1) is provided with an indicating part (2);
an LED load (3) mounted in the outer case (1) to illuminate the indicating section (2) when it emits light so that the indicating section (2) performs an indicating function;
the LED power supply device is installed in the outer shell (1) and connected with the LED load (3) so as to supply power to the LED load (3) through the LED power supply device to enable the LED load (3) to emit light.
2. The LED indicator lamp of claim 1,
the LED power supply device comprises a mains supply input interface (4), a driving module (5) and a battery (6); wherein,
the commercial power input interface (4) is connected with 220V alternating current and is suitable for being connected with 220V alternating current;
the driving module (5) is respectively connected with the mains supply input interface (4), the battery (6) and the LED load (3) and is suitable for driving the LED load (3) to work and charging the battery (6) when 220V alternating current is input into the driving module by the mains supply input interface (4); and
and when the mains supply input interface (4) is powered off, the battery (6) is controlled to supply power to the LED load (3) so that the LED load (3) works.
3. The LED indicator lamp of claim 2,
the charging device is characterized by further comprising a charging indicator lamp (7) connected with the driving module (5), wherein the driving module (5) is also suitable for driving the charging indicator lamp (7) to work while charging the battery (6).
4. The emergency lighting LED indicator lamp of claim 1,
the inner side of the outer shell (1) is provided with a clamping part (8) for clamping the outer shell on an external fixing piece.
5. The emergency lighting LED indicator lamp of claim 2,
the driving module (5) comprises a rectifying and filtering circuit (51), a variable-frequency voltage-reducing circuit (52), a charging circuit (53), an output driving circuit (54) and an emergency control circuit (55); wherein,
the input end of the rectification filter circuit (51) is connected with the commercial power input interface (4) and is suitable for rectifying and filtering 220V alternating current to output rectification filter voltage;
the input end of the variable-frequency voltage reduction circuit (52) is connected with the output end of the rectifying and filtering circuit (51) and is suitable for reducing the rectifying and filtering voltage to output working voltage;
the input end of the charging circuit (53) is connected with the output end of the variable-frequency voltage-reducing circuit (52), the input end of the charging circuit is connected with the battery (6), and the variable-frequency voltage-reducing circuit (52) is also suitable for charging the battery (6) through the charging circuit (53);
the input end of the output driving circuit (54) is respectively connected with the output end of the variable-frequency voltage reduction circuit (52) and the charging circuit (53), and the input end of the output driving circuit is connected with the LED indicator lamp to drive the LED indicator lamp to work;
the input end of the emergency control circuit (55) is connected with the input end of the variable-frequency voltage-reducing circuit (52), the output end of the emergency control circuit is respectively connected with the output driving circuit (54), and the emergency control circuit is suitable for completing conversion control of the LED load (3) between commercial power supply and battery (6) power supply.
6. The emergency lighting LED indicator lamp of claim 5,
the charging indicator lamp (7) is connected with the driving module (5);
the charging circuit (53) is connected with the charging indicator lamp (7) and is suitable for driving the charging indicator lamp (7) to work when the battery (6) is charged.
7. The emergency lighting LED indicator lamp of claim 5,
the variable-frequency voltage reduction circuit (52) comprises a flyback switching circuit and a filter capacitor connected in parallel with the output end of the flyback switching circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922302969.5U CN210899759U (en) | 2019-12-20 | 2019-12-20 | Emergency lighting LED indicator lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922302969.5U CN210899759U (en) | 2019-12-20 | 2019-12-20 | Emergency lighting LED indicator lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210899759U true CN210899759U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922302969.5U Active CN210899759U (en) | 2019-12-20 | 2019-12-20 | Emergency lighting LED indicator lamp |
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|---|---|
| CN (1) | CN210899759U (en) |
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- 2019-12-20 CN CN201922302969.5U patent/CN210899759U/en active Active
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Address after: 213016 building 17, No.9 Caoxi Road, Niutang Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: CHANGZHOU LVWEI ELECTRICAL APPLIANCE Co.,Ltd. Address before: 213016 No.3 Baiyun Road, Zhonglou District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU LVWEI ELECTRICAL APPLIANCE Co.,Ltd. |