CN204010627U - The LED display system of distributed power source power supply - Google Patents
The LED display system of distributed power source power supply Download PDFInfo
- Publication number
- CN204010627U CN204010627U CN201420294991.4U CN201420294991U CN204010627U CN 204010627 U CN204010627 U CN 204010627U CN 201420294991 U CN201420294991 U CN 201420294991U CN 204010627 U CN204010627 U CN 204010627U
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- led display
- power supply
- frequency
- voltage power
- rectifier
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Abstract
The utility model relates to LED display power technique fields, be specifically related to a kind of LED display system of distributed power source power supply, comprise that high-frequency and high-voltage power supply is connected with the input end of a plurality of LED display modules described in a plurality of LED display modules that are connected in parallel and the output terminal of described high-frequency and high-voltage power supply, described LED display module is built-in with AC/DC transducer and LED display, described AC/DC transducer comprises high-frequency transformer and rectifier, described high-frequency transformer primary coil connects the output terminal of high-frequency and high-voltage power supply, described high-frequency transformer secondary coil connects the input end of rectifier, the output terminal of described rectifier connects described LED display, described high-frequency and high-voltage power supply is output as sinusoidal wave high-frequency and high-voltage.The utility model is integrated by AC/DC transducer and LED display, and circuit structure is simple, volume is little, thermal value is little.
Description
Technical field
The utility model relates to LED display power technique fields, is specifically related to a kind of LED display system of distributed power source power supply.
Background technology
LED display generally has two kinds of power supply modes at present, the first is to concentrate low-voltage direct bussed supply mode, by AC/DC variator, the alternating current of 220V/50HZ is become to the direct supply of 5V, power supply is by a DC bus transmitting energy, all LED module unit are connected in DC bus two ends in parallel, when connect LED display larger, when lamp is more, circuit is long, owing to being that low-voltage transmission loss is larger, step-down is serious, the brightness disproportionation that causes LED, power supply increases, weight is larger, distribute heat is also many, when connect LED display is larger, the volume of whole luminophor is increased, inefficiency, weight increases, requirement to heat radiation is higher.
Summary of the invention
The purpose of this utility model is in order to solve the problems of the technologies described above, and provides a kind of volume of luminophor little, weight is little, the LED display system of the distributed power source power supply that integrated level is high, thermal value is little.
For achieving the above object, the LED display system of a kind of distributed power source power supply of the utility model design, comprise that high-frequency and high-voltage power supply is connected with the input end of a plurality of LED display modules described in a plurality of LED display modules that are connected in parallel and the output terminal of described high-frequency and high-voltage power supply, described LED display module is built-in with AC/DC transducer and LED display, described AC/DC transducer comprises high-frequency transformer and rectifier, described high-frequency transformer primary coil connects the output terminal of high-frequency and high-voltage power supply, described high-frequency transformer secondary coil connects the input end of rectifier, the output terminal of described rectifier connects described LED display, described high-frequency and high-voltage power supply is output as sinusoidal wave high-frequency and high-voltage.
In technique scheme, the two ends of described LED display are connected in parallel to storage capacitor.
In technique scheme, described LED display is connected and composed by LED lamp connection in series-parallel, or is connected and composed by LED lamp and resistance connection in series-parallel.
In technique scheme, the input end of described high-frequency and high-voltage power supply connects 380V three-phase electricity or 220V civil power.
The utility model adopts high-frequency and high-voltage power supply to power, and high-frequency and high-voltage power supply is output as sine voltage, and AC/DC transducer and LED display is integrated, and circuit structure is simple, volume is little, thermal value is little.
The input end of high-frequency and high-voltage power supply of the present utility model can, for the power supply of 380V three-phase electricity, also can, by 220V civil power, be applicable to industrial occasions and family expenses occasion.
Accompanying drawing explanation
Fig. 1 is circuit diagram of the present utility model;
Fig. 2 is the circuit structure diagram of AC-DC transducer;
In figure: 1-high-frequency and high-voltage power supply; 2-LED display panel module; 3-AC/DC transducer 3.1-high-frequency transformer; 3.2-rectifier; 4-LED display screen; 5-storage capacitor.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
The LED display system of distributed power source power supply as shown in Figure 1, comprise high-frequency and high-voltage power supply 1 and a plurality of LED display module 2 being connected in parallel, the input end of a plurality of LED display modules 2 is connected with the output terminal of high-frequency and high-voltage power supply 1, LED display module 2 is built-in with AC/DC transducer 3 and LED display 4, AC/DC transducer 3 comprises high-frequency transformer 3.1 and rectifier 3.2, as shown in Figure 2, high-frequency transformer 3.1 primary coils connect the output terminal of high-frequency and high-voltage power supply 1, high-frequency transformer 3.1 secondary coils connect the input end of rectifier 3.2, the output terminal of rectifier 3.2 connects LED display 4, high-frequency and high-voltage power supply 1 is output as sinusoidal wave high-frequency and high-voltage.
The two ends of LED display 4 are connected in parallel to storage capacitor 5.LED display 4 is connected and composed by LED lamp connection in series-parallel, or is connected and composed by LED lamp and resistance connection in series-parallel.The input end of high-frequency and high-voltage power supply 1 connects 380V three-phase electricity or 220V civil power.
The utility model is integrated by AC/DC transducer and LED display, and circuit structure is simple, volume is little, thermal value is little.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model, like this, within if of the present utility model these are revised and modification belongs to the utility model claim and equivalent technologies scope thereof, the utility model is also intended to comprise these changes and modification interior.
The content not being described in detail in this instructions belongs to the known prior art of professional and technical personnel in the field.
Claims (4)
1. the LED display system of distributed power source power supply, comprise high-frequency and high-voltage power supply (1) and a plurality of LED display module (2) being connected in parallel, it is characterized in that: the input end of described a plurality of LED display modules (2) is connected with the output terminal of described high-frequency and high-voltage power supply (1), described LED display module (2) is built-in with AC/DC transducer (3) and LED display (4), described AC/DC transducer (3) comprises high-frequency transformer (3.1) and rectifier (3.2), described high-frequency transformer (3.1) primary coil connects the output terminal of high-frequency and high-voltage power supply (1), described high-frequency transformer (3.1) secondary coil connects the input end of rectifier (3.2), the output terminal of described rectifier (3.2) connects described LED display (4), described high-frequency and high-voltage power supply (1) is output as sinusoidal wave high-frequency and high-voltage.
2. the LED display system of distributed power source power supply according to claim 1, is characterized in that: the two ends of described LED display (4) are connected in parallel to storage capacitor (5).
3. the LED display system of distributed power source power supply according to claim 1 and 2, is characterized in that: described LED display (4) is connected and composed by LED lamp connection in series-parallel, or is connected and composed by LED lamp and resistance connection in series-parallel.
4. the LED display system of distributed power source power supply according to claim 3, is characterized in that: the input end of described high-frequency and high-voltage power supply (1) connects 380V three-phase electricity or 220V civil power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420294991.4U CN204010627U (en) | 2014-06-04 | 2014-06-04 | The LED display system of distributed power source power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420294991.4U CN204010627U (en) | 2014-06-04 | 2014-06-04 | The LED display system of distributed power source power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204010627U true CN204010627U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420294991.4U Expired - Fee Related CN204010627U (en) | 2014-06-04 | 2014-06-04 | The LED display system of distributed power source power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204010627U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107437381A (en) * | 2017-09-15 | 2017-12-05 | 深圳市德彩光电有限公司 | A kind of LED display module and LED display |
| CN108599602A (en) * | 2018-07-10 | 2018-09-28 | 宋庆国 | A kind of distributed power supply system and control method based on magnetic switch control |
| CN109474190A (en) * | 2018-12-07 | 2019-03-15 | 湖北集润科技有限公司 | A kind of LED display power supply unit and system |
-
2014
- 2014-06-04 CN CN201420294991.4U patent/CN204010627U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107437381A (en) * | 2017-09-15 | 2017-12-05 | 深圳市德彩光电有限公司 | A kind of LED display module and LED display |
| CN107437381B (en) * | 2017-09-15 | 2023-08-18 | 深德彩科技(深圳)股份有限公司 | LED display screen module and LED display screen |
| CN108599602A (en) * | 2018-07-10 | 2018-09-28 | 宋庆国 | A kind of distributed power supply system and control method based on magnetic switch control |
| CN109474190A (en) * | 2018-12-07 | 2019-03-15 | 湖北集润科技有限公司 | A kind of LED display power supply unit and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160406 Address after: 101, room 47, building 1244, 430080 Heping Avenue, Qingshan District, Hubei, Wuhan Patentee after: RIVERBAY (WUHAN) OPTOELECTRONIC TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 430010 Hubei city of Wuhan province Zhao Wei Cun, Jiang'an District Road No. 7 Patentee before: TIANYI HONGYE WUHAN TECHNOLOGY DEVELOPMENT CO.,LTD. |
|
| 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: 20141210 |