CN203563233U - LED driving power supply and LED light box - Google Patents
LED driving power supply and LED light box Download PDFInfo
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- CN203563233U CN203563233U CN201320584210.0U CN201320584210U CN203563233U CN 203563233 U CN203563233 U CN 203563233U CN 201320584210 U CN201320584210 U CN 201320584210U CN 203563233 U CN203563233 U CN 203563233U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model discloses an LED driving power supply and an LED light box. The LED driving power supply comprises a first-grade rectification and filtering unit and at least two voltage converting units. An input end of the first-grade rectification and filtering unit is used to connect with an external AC power supply, and an output end is electrically connected with input ends of the voltage converting units. The LED light box comprises LED light-emitting devices and the above LED driving power supply. The LED light-emitting devices are corresponding to the voltage converting units of the LED driving power supply in a one-to-one manner, and corresponding LED light-emitting devices are electrically connected with corresponding voltage converting units. The LED driving power supply can supply power for two or more LED light-emitting devices at the same time, and a wiring technology is simplified, production efficiency is improved, and manpower resource is saved, and production cost is effectively reduced.
Description
Technical field
The utility model relates to LED technical field, the LED lamp box that is specifically related to a kind of LED driving power and has used this LED driving power.
Background technology
The built-in driving power of tradition LED lamp box, it generally comprises a rectification filtering unit as input and a voltage conversion unit as output; When using, it is upper that the alternating current of 220V is sent to LED light-emitting device (for example LED lamp bar) by rectification filtering unit and voltage conversion unit successively, luminous with driving LED light-emitting device.But, existing built-in driving power, owing to only having a rectification filtering unit and a voltage conversion unit, make it only have the DC output end of a 220V alternating current input and 12V or 24V, the built-in driving power of this spline structure, when making LED lamp box, due to the light guide plate that has at least two LED light-emitting devices with diverse location in cooperated with LED lamp box in LED lamp box, so realize simultaneously, a plurality of LED light-emitting devices are powered, just must adopt following two kinds of modes to go to deal with problems:
First kind of way is: at the output (being the output of voltage conversion unit) of built-in driving power, locate extra and connect many group electric wires electric energy is sent on each LED light-emitting device, but, this mode has not only increased the complexity of manufacture craft, cannot enhance productivity, but also waste of manpower resource is unfavorable for distributing rationally of manufacturing enterprise's resource.
The second way is: in LED lamp box, configuration and LED light-emitting device quantity is built-in driving power one to one, make a built-in driving power only drive a LED light-emitting device luminous, but just need to configuring a lot of built-in driving powers in LED lamp box, this mode could meet actual user demand, thereby improved widely the production cost of LED lamp box, cannot meet manufacturing enterprise to operation demand low-cost, high profit.
Utility model content
In order to overcome the deficiencies in the prior art, first object of the present utility model is to provide a kind of and not only can to two or more LED light-emitting devices, powers simultaneously, and can simplify wiring technique, enhance productivity, save human resources, effectively reduce the LED driving power of the production cost of LED lamp box, second object of the present utility model is to provide a kind of LED lamp box that has used described LED driving power.
In order to realize above-mentioned first object, the technical scheme content that the utility model adopts is specific as follows:
A LED driving power, it comprises one-level rectification filtering unit and at least two voltage conversion units; The input of described one-level rectification filtering unit is used for connecting external AC power supply, and output is electrically connected the input of voltage conversion unit.
LED driving power of the present utility model is by arranging plural voltage conversion unit to power to plural LED light-emitting device, thereby extra and connect many group electric wires without the output at LED driving power, not only simplified widely the manufacture craft of LED lamp box, be conducive to enhance productivity, but also saved human resources, be conducive to distributing rationally of manufacturing enterprise's resource.Simultaneously, because the input of voltage conversion unit of the present utility model is all connected on one-level rectification filtering unit jointly, only need to use an one-level rectification filtering unit to coordinate plural voltage conversion unit, can drive a plurality of LED light-emitting devices simultaneously, reduce widely the production cost of LED lamp box, met manufacturing enterprise to operation demand low-cost, high profit.
As the first improved procedure of one-level rectification filtering unit, described one-level rectification filtering unit comprises low pass filter and rectification circuit; The input of described low pass filter is electrically connected described external AC power supply, and output connects the input of rectification circuit; The output of described rectification circuit is electrically connected the input of voltage conversion unit.
Preferably, described low pass filter is electromagnetic interface filter, and described rectification circuit is full-wave rectifying circuit.
As the second improved procedure of one-level rectification filtering unit, described one-level rectification filtering unit comprises low pass filter, rectification circuit and noise signal filter; The input of described low pass filter is electrically connected described external AC power supply, and output connects the input of rectification circuit; The output of described rectification circuit is electrically connected the input of voltage conversion unit; Described noise signal filter is also attempted by between the output of rectification circuit and the input of voltage conversion unit.
Preferably, described low pass filter is electromagnetic interface filter, and described rectification circuit is full-wave rectifying circuit.
Preferably, described noise signal filter is capacitor.
As the further improved procedure of voltage conversion unit, described voltage conversion unit comprises pulse-width modulator, high-frequency converter and secondary current rectifying and wave filtering circuit; The input of described high-frequency converter is electrically connected the output of one-level rectification filtering unit, and the output of high-frequency converter is electrically connected the input of secondary current rectifying and wave filtering circuit; The input of described pulse-width modulator is electrically connected the output of secondary current rectifying and wave filtering circuit, and the output of pulse-width modulator is electrically connected the input of high-frequency converter.
In order to realize above-mentioned second object, the technical scheme content that the utility model adopts is specific as follows:
A LED lamp box, it comprises LED light-emitting device and above-mentioned LED driving power, described LED light-emitting device is corresponding one by one with the voltage conversion unit of LED driving power, and corresponding LED light-emitting device is electrically connected corresponding voltage conversion unit.
Preferably, described LED light-emitting device is LED lamp bar.
Compared to existing technology, the beneficial effects of the utility model are:
LED driving power of the present utility model is by arranging plural voltage conversion unit to power to plural LED light-emitting device, thereby extra and connect many group electric wires without the output at LED driving power, not only simplified widely the manufacture craft of LED lamp box, be conducive to enhance productivity, but also saved human resources, be conducive to distributing rationally of manufacturing enterprise's resource.Simultaneously, because the input of voltage conversion unit of the present utility model is all connected on one-level rectification filtering unit jointly, only need to use an one-level rectification filtering unit to coordinate plural voltage conversion unit, can drive a plurality of LED light-emitting devices simultaneously, reduce widely the production cost of LED lamp box, met manufacturing enterprise to operation demand low-cost, high profit.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of specification, and for above and other object of the present utility model, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram of LED driving power the first embodiment of the present utility model;
Fig. 2 is the electrical block diagram of LED driving power the second embodiment of the present utility model.
Embodiment
For further setting forth the utility model, be to reach technological means and the effect that predetermined utility model object is taked, below in conjunction with accompanying drawing and preferred embodiment, to foundation embodiment of the present utility model, structure, feature and effect thereof, be described in detail as follows:
Embodiment mono-
LED driving power of the present utility model, it comprises one-level rectification filtering unit and at least two voltage conversion units; The input of described one-level rectification filtering unit is used for connecting external AC power supply, and output is electrically connected the input of voltage conversion unit.Wherein, shown in Fig. 1, be the first embodiment of LED driving power of the present utility model, in an embodiment, the quantity of described voltage conversion unit is two.
LED driving power in embodiment mono-is by arranging two voltage conversion units to power to two different LED light-emitting devices, thereby extra and connect many one group of electric wires without the output at LED driving power, not only simplified widely the manufacture craft of LED lamp box, be conducive to enhance productivity, but also saved human resources, be conducive to distributing rationally of manufacturing enterprise's resource.Simultaneously, because the input of two voltage conversion units in this embodiment mono-is all connected on one-level rectification filtering unit jointly, only need to use an one-level rectification filtering unit to coordinate two voltage conversion units, can drive two different LED light-emitting devices simultaneously, with respect to existing LED driving power, if need to drive two LED light-emitting devices luminous simultaneously, need two independently existing LED driving powers, thereby reduced widely the production cost of LED lamp box, met manufacturing enterprise to operation demand low-cost, high profit.
In order to suppress high-frequency interferencing signal, as shown in Figure 1, described one-level rectification filtering unit comprises low pass filter and rectification circuit; The input of described low pass filter is electrically connected described external AC power supply, and output connects the input of rectification circuit; The output of described rectification circuit is electrically connected the input of voltage conversion unit.Ac signal (for example, the ac signal of 220V) from AC power is removed after high-frequency interferencing signal by low pass filter, converts DC signal to, with input voltage converting unit by rectification circuit.
Preferably, described low pass filter is electromagnetic interface filter, and described rectification circuit is full-wave rectifying circuit.Wherein, described low pass filter is not limited to electromagnetic interface filter, and it can also be RC oscillating circuit, and described rectification circuit is not limited to full-wave rectifying circuit, and it can also be half-wave rectifying circuit.
For the DC signal that one-level rectification circuit is exported convert to be applicable to the input of LED light-emitting device DC signal (for example, the DC signal of 12V or 24V), as shown in Figure 1, described voltage conversion unit comprises pulse-width modulator, high-frequency converter and secondary current rectifying and wave filtering circuit; The input of described high-frequency converter is electrically connected the output of one-level rectification filtering unit, and the output of high-frequency converter is electrically connected the input of secondary current rectifying and wave filtering circuit; The input of described pulse-width modulator is electrically connected the output of secondary current rectifying and wave filtering circuit, and the output of pulse-width modulator is electrically connected the input of high-frequency converter.
Meanwhile, when using the LED driving power of the present embodiment to remove to make LED lamp box, the structure of this LED lamp box is specific as follows:
A kind of LED lamp box, it comprises LED light-emitting device and aforesaid LED driving power, the voltage conversion unit of described LED light-emitting device and LED driving power is corresponding (quantity that is described LED light-emitting device is two) one by one, and corresponding LED light-emitting device is electrically connected corresponding voltage conversion unit.
It should be noted that, the concrete quantity of described voltage conversion unit is not limited to two shown in the present embodiment, can also be three or four or five.。。Its concrete quantity depends on the electrical power that AC power provides, user can need to adjust accordingly according to actual use, that is to say, utilize the LED lamp box of making described in this LED driving power, the quantity of its LED light-emitting device is also not limited to two, can also be three or four or five.。。, its concrete quantity equals the concrete quantity of voltage conversion unit.
Preferably, described LED light-emitting device is LED lamp bar or LED lamp pearl string etc.
Embodiment bis-
LED driving power of the present utility model, it comprises one-level rectification filtering unit and at least two voltage conversion units; The input of described one-level rectification filtering unit is used for connecting external AC power supply, and output is electrically connected the input of voltage conversion unit.Wherein, shown in Fig. 2, be the second embodiment of LED driving power of the present utility model, in an embodiment, the quantity of described voltage conversion unit is two.
LED driving power in embodiment bis-is by arranging two voltage conversion units to power to two different LED light-emitting devices, thereby extra and connect many one group of electric wires without the output at LED driving power, not only simplified widely the manufacture craft of LED lamp box, be conducive to enhance productivity, but also saved human resources, be conducive to distributing rationally of manufacturing enterprise's resource.Simultaneously, because the input of two voltage conversion units in this embodiment bis-is all connected on one-level rectification filtering unit jointly, only need to use an one-level rectification filtering unit to coordinate two voltage conversion units, can drive two different LED light-emitting devices simultaneously, with respect to existing LED driving power, if need to drive two LED light-emitting devices luminous simultaneously, need two independently existing LED driving powers, thereby reduced widely the production cost of LED lamp box, met manufacturing enterprise to operation demand low-cost, high profit.
In order to suppress high-frequency interferencing signal and to remove other noise signals that come from the outside, as shown in Figure 2, described one-level rectification filtering unit comprises low pass filter, rectification circuit and noise signal filter; The input of described low pass filter is electrically connected described external AC power supply, and output connects the input of rectification circuit; The output of described rectification circuit is electrically connected the input of voltage conversion unit; Described noise signal filter is also attempted by between the output of rectification circuit and the input of voltage conversion unit.From the ac signal of AC power (for example, the ac signal of 220V) by low pass filter, remove after high-frequency interferencing signal, by rectification circuit, convert DC signal to, this DC signal forms a more level and smooth DC signal after noise signal filter, with input voltage converting unit.
Preferably, described low pass filter is electromagnetic interface filter, and described rectification circuit is full-wave rectifying circuit.Wherein, described low pass filter is not limited to electromagnetic interface filter, and it can also be RC oscillating circuit, and described rectification circuit is not limited to full-wave rectifying circuit, and it can also be half-wave rectifying circuit.
Described noise signal filter is capacitor.
For the DC signal that one-level rectification circuit is exported convert to be applicable to the input of LED light-emitting device DC signal (for example, the DC signal of 12V or 24V), further improved procedure as voltage conversion unit, as shown in Figure 2, described voltage conversion unit comprises pulse-width modulator, high-frequency converter and secondary current rectifying and wave filtering circuit; The input of described high-frequency converter is electrically connected the output of one-level rectification filtering unit, and the output of high-frequency converter is electrically connected the input of secondary current rectifying and wave filtering circuit; The input of described pulse-width modulator is electrically connected the output of secondary current rectifying and wave filtering circuit, and the output of pulse-width modulator is electrically connected the input of high-frequency converter.
Meanwhile, when using the LED driving power of the present embodiment to remove to make LED lamp box, the structure of this LED lamp box is specific as follows:
A kind of LED lamp box, it comprises LED light-emitting device and aforesaid LED driving power, the voltage conversion unit of described LED light-emitting device and LED driving power is corresponding (quantity that is described LED light-emitting device is two) one by one, and corresponding LED light-emitting device is electrically connected corresponding voltage conversion unit.
It should be noted that, the concrete quantity of described voltage conversion unit is not limited to two shown in the present embodiment, can also be three or four or five.。。Its concrete quantity depends on the electrical power that AC power provides, user can need to adjust accordingly according to actual use, that is to say, utilize the LED lamp box of making described in this LED driving power, the quantity of its LED light-emitting device is also not limited to two, can also be three or four or five.。。, its concrete quantity equals the concrete quantity of voltage conversion unit.
Preferably, described LED light-emitting device is LED lamp bar or LED lamp pearl string etc.
Above-mentioned execution mode is only preferred implementation of the present utility model; can not limit with this scope of the utility model protection, the variation of any unsubstantiality that those skilled in the art does on basis of the present utility model and replacement all belong to the utility model scope required for protection.
Claims (9)
1. a LED driving power, is characterized in that: it comprises one-level rectification filtering unit and at least two voltage conversion units; The input of described one-level rectification filtering unit is used for connecting external AC power supply, and output is electrically connected the input of voltage conversion unit.
2. LED driving power as claimed in claim 1, is characterized in that: described one-level rectification filtering unit comprises low pass filter and rectification circuit; The input of described low pass filter is electrically connected described external AC power supply, and output connects the input of rectification circuit; The output of described rectification circuit is electrically connected the input of voltage conversion unit.
3. LED driving power as claimed in claim 2, is characterized in that: described low pass filter is electromagnetic interface filter, and described rectification circuit is full-wave rectifying circuit.
4. LED driving power as claimed in claim 1, is characterized in that: described one-level rectification filtering unit comprises low pass filter, rectification circuit and noise signal filter; The input of described low pass filter is electrically connected described external AC power supply, and output connects the input of rectification circuit; Described
The output of rectification circuit is electrically connected the input of voltage conversion unit; Described noise signal filter is also attempted by between the output of rectification circuit and the input of voltage conversion unit.
5. LED driving power as claimed in claim 4, is characterized in that: described low pass filter is electromagnetic interface filter, and described rectification circuit is full-wave rectifying circuit.
6. LED driving power as claimed in claim 4, is characterized in that: described noise signal filter is capacitor.
7. as the LED driving power of claim 2-6 as described in any one, it is characterized in that: described voltage conversion unit comprises pulse-width modulator, high-frequency converter and secondary current rectifying and wave filtering circuit; The input of described high-frequency converter is electrically connected the output of one-level rectification filtering unit, and the output of high-frequency converter is electrically connected the input of secondary current rectifying and wave filtering circuit; The input of described pulse-width modulator is electrically connected the output of secondary current rectifying and wave filtering circuit, and the output of pulse-width modulator is electrically connected the input of high-frequency converter.
8. a LED lamp box, it is characterized in that: it comprises LED light-emitting device and as the LED driving power of claim 1-7 as described in any one, described LED light-emitting device is corresponding one by one with the voltage conversion unit of LED driving power, and corresponding LED light-emitting device is electrically connected corresponding voltage conversion unit.
9. LED lamp box as claimed in claim 8, is characterized in that: described LED light-emitting device is LED lamp bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320584210.0U CN203563233U (en) | 2013-09-22 | 2013-09-22 | LED driving power supply and LED light box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320584210.0U CN203563233U (en) | 2013-09-22 | 2013-09-22 | LED driving power supply and LED light box |
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| CN203563233U true CN203563233U (en) | 2014-04-23 |
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| CN201320584210.0U Expired - Fee Related CN203563233U (en) | 2013-09-22 | 2013-09-22 | LED driving power supply and LED light box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116113105A (en) * | 2023-03-10 | 2023-05-12 | 青岛易来智能科技股份有限公司 | a lighting device |
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- 2013-09-22 CN CN201320584210.0U patent/CN203563233U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116113105A (en) * | 2023-03-10 | 2023-05-12 | 青岛易来智能科技股份有限公司 | a lighting device |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 Termination date: 20190922 |