CN204349802U - The PCB structure of diode rectification high input voltage DC/DC bat power supply - Google Patents
The PCB structure of diode rectification high input voltage DC/DC bat power supply Download PDFInfo
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- CN204349802U CN204349802U CN201420439486.4U CN201420439486U CN204349802U CN 204349802 U CN204349802 U CN 204349802U CN 201420439486 U CN201420439486 U CN 201420439486U CN 204349802 U CN204349802 U CN 204349802U
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Abstract
The utility model discloses a kind of PCB structure of diode rectification high input voltage DC/DC bat power supply, filter circuit is diode rectification, mainly comprise the aluminium base of bat size, input voltage is through input filter inductance L 1 and input filter capacitor filtering, through main switch Q1, Q2 is alternately open-minded, turn off, be converted to square wave, square wave is through transformer T1 transformation, and carry out primary and secondary isolation, rectification is carried out through exporting rectifier diode D1, through output inductor L2, output filter capacitor filtering, and then be converted to direct current, wherein, input filter capacitor can directly be welded on aluminium base, also can be welded on another block electric capacity platelet, be welded on aluminium base by contact pin again, in main components, L2 is positioned at the lower right corner of aluminium base, L1 is positioned at the lower left corner, T1 is positioned at aluminium base top, D1 is positioned at middle position on the right side of it.The utility model is rationally distributed, compact conformation, and space availability ratio is high.
Description
Technical field
The utility model relates to a kind of PCB structure of diode rectification high input voltage DC/DC bat power supply.
Background technology
In the prior art, when being especially applied to high pressure DC input, because primary and secondary safety requires as reinforced insulation, elementary to secondary, elementary to greatly safety distance is comparatively large, the nearly step in space that effectively utilizes of module is reduced.Existing standard module power supply, industrial standard bat size little (57.9*61.0mm*12.7mm), effectively can utilize space but be subject to stud, the input contact pin of industrial standard and export the position limitation such as contact pin and remaining space is smaller, in PCB design, there is larger difficulty, this improves further to the requirement of power supply.In addition, it is large to there is volume in traditional DC/DC Switching Power Supply, and size is standardization not easily; Power device is substantially based on plug-in unit; Radiating effect is poor, and needing increases fan cooling, poor reliability; Production operation human cost is higher; Produce fraction defective relatively high; For different clients, need R & D design again, the defects such as the development and Design cycle is longer.Therefore a kind of rationally, effectively power generation configuration is just extremely important, will directly affect the various indexs of power supply, as the power, overall efficiency, reliability etc. that can export.
Utility model content
The purpose of this utility model is, provides a kind of PCB layout structure of high input voltage DC/DC bat power supply, solves existing power supply module and space can be utilized little, disturb large problem.
It is as described below that the utility model solves the technical scheme that its technical problem adopts:
The PCB structure of diode rectification high input voltage DC/DC bat power supply, comprise the aluminium base of bat size, it is characterized in that: the filter circuit of power supply is diode rectification, and input filter capacitor is directly welded on described aluminium base, and input filter inductance L 1 is positioned at the lower left corner of described aluminium base; First main switch Q1, the second main switch Q2 are positioned at described aluminium base lower left quarter and on the right side of input filter inductance L 1; First main switch Q1, the second main switch Q2 are positioned at described aluminium base left-side center position, and direct current is converted to square wave by the first main switch Q1, the second main switch Q2; Electric current loop TR1 to flowing through the first main switch Q1, the electric current of the second main switch Q2 detects, and is positioned at the position of described aluminium base left-side center; Transformer T1 is positioned at the top of described aluminium base, and for main power conversion, input and output are isolated; Export rectifier diode D1 and square wave is carried out rectification, be positioned at the right side middle position of described aluminium base; Output inductor L2 is positioned at the lower right corner of described aluminium base, for exporting energy storage, and filtering; Output filter capacitor is used for output filtering and the position of keeping to the side, the right side that is positioned at described aluminium base of being arranged in a row;
Input voltage is through input filter inductance L 1 and input filter capacitor filtering, alternately open through the first main switch Q1, the second main switch Q2, turn off, be converted to square wave, square wave is through transformer T1 transformation, and carry out primary and secondary isolation, carrying out rectification through exporting rectifier diode D1, through output inductor L2, output filter capacitor filtering, and then being converted to direct voltage.
Further, described input filter capacitor is welded on separately on one piece of PCB electric capacity platelet, electric capacity platelet is welded on described aluminium base by contact pin, and now, described first main switch Q1, the second main switch Q2 are positioned at described aluminium base left-side center and above input filter inductance L 1.
According to the utility model of said structure, its beneficial effect is, the power that the utility model makes power supply export, overall efficiency, reliability etc. reach optimum, reduce the interference to other circuit.The utility model is rationally distributed, compact conformation, and space availability ratio is high.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and embodiment, the utility model is described further.
Fig. 1 is the utility model schematic block circuit diagram;
Fig. 2 is the PCB layout structure figure of the utility model embodiment one;
Fig. 3 is the PCB layout structure figure of the utility model embodiment two.
Embodiment
The PCB structure of the diode rectification high input voltage DC/DC bat power supply that the utility model provides, Fig. 1 is the utility model schematic block circuit diagram.
The utility model mainly comprises the aluminium base of bat size (57.9*61.0mm*12.7mm), and when high pressure DC inputs, the filter circuit of power supply is diode rectification, and input filter inductance L 1 is positioned at the lower left corner of aluminium base; The signal of input is carried out filtering by input capacitance, and the number of input filter capacitor increases and decreases according to the space size of the left part of described aluminium base; Direct current can be converted to square wave by the first main switch Q1, the second main switch Q2, electric current loop TR1 to flowing through the first main switch Q1, the electric current of the second main switch Q2 detects, be positioned at the position of aluminium base left-side center, transformer T1 is positioned at the top of aluminium base, for main power conversion, input and output are isolated; Export rectifier diode D1 and square wave is carried out rectification, be positioned at the right side middle position of aluminium base, output inductor L2 is positioned at the lower right corner of aluminium base, for exporting energy storage, and filtering; Output filter capacitor C15-C21 is used for output filtering and the position of keeping to the side, the right side that is positioned at aluminium base of being arranged in a row, and the number of output filter capacitor can increase and decrease.
Input filter capacitor need with time few, directly be welded on aluminium base, as shown in Figure 2, the input filter capacitor in the utility model embodiment one, now, the first main switch Q1, the second main switch Q2 are positioned at aluminium base lower left corner part and on the right side of inductance L 1; Input filter capacitor need with time more, aluminium base limited space, input filter capacitor is welded on another block electric capacity platelet, as shown in Figure 3, input filter capacitor in the utility model embodiment two, electric capacity platelet is welded on aluminium base by connecting needle again, and now, the first main switch Q1, the second main switch Q2 are positioned at described aluminium base left-side center part.Aluminium base is the PCB1 in Fig. 3, and electric capacity platelet is the PCB2 in Fig. 3.
Input voltage is through input filter inductance L 1 and input filter capacitor filtering, alternately open through the first main switch Q1, the second main switch Q2, turn off, be converted to square wave, square wave is through transformer T1 transformation, and carry out primary and secondary isolation, carrying out rectification through exporting rectifier diode D1, through output inductor L2, output filter capacitor C15-C21 filtering, and then being converted to direct current.
The power that the utility model makes power supply export, overall efficiency, reliability etc. reach optimum, and reduce the interference to other circuit, and the utility model is rationally distributed, compact conformation, space availability ratio is high.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to the utility model claims.
By reference to the accompanying drawings exemplary description is carried out to the utility model patent above; the realization of obvious the utility model patent is not subject to the restrictions described above; as long as have employed the various improvement that method is conceived and technical scheme is carried out of the utility model patent; or the design of the utility model patent and technical scheme directly applied to other occasion, all in protection range of the present utility model without to improve.
Claims (2)
1. the PCB structure of diode rectification high input voltage DC/DC bat power supply, comprise the aluminium base of bat size, it is characterized in that: the filter circuit of power supply is diode rectification, and input filter capacitor is directly welded on described aluminium base, and input filter inductance L 1 is positioned at the lower left corner of described aluminium base; First main switch Q1, the second main switch Q2 are positioned at described aluminium base lower left quarter and on the right side of input filter inductance L 1; First main switch Q1, the second main switch Q2 are positioned at described aluminium base left-side center position, and direct current is converted to square wave by the first main switch Q1, the second main switch Q2; Electric current loop TR1 to flowing through the first main switch Q1, the electric current of the second main switch Q2 detects, and is positioned at the position of described aluminium base left-side center; Transformer T1 is positioned at the top of described aluminium base, and for main power conversion, input and output are isolated; Export rectifier diode D1 and square wave is carried out rectification, be positioned at the right side middle position of described aluminium base; Output inductor L2 is positioned at the lower right corner of described aluminium base, for exporting energy storage, and filtering; Output filter capacitor is used for output filtering and the position of keeping to the side, the right side that is positioned at described aluminium base of being arranged in a row;
Input voltage is through input filter inductance L 1 and input filter capacitor filtering, alternately open through the first main switch Q1, the second main switch Q2, turn off, be converted to square wave, square wave is through transformer T1 transformation, and carry out primary and secondary isolation, carrying out rectification through exporting rectifier diode D1, through output inductor L2, output filter capacitor filtering, and then being converted to direct voltage.
2. the PCB structure of diode rectification high input voltage DC/DC bat power supply according to claim 1, it is characterized in that, described input filter capacitor is welded on separately on one piece of PCB electric capacity platelet, electric capacity platelet is welded on described aluminium base by contact pin, now, described first main switch Q1, the second main switch Q2 are positioned at described aluminium base left-side center and above input filter inductance L 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420439486.4U CN204349802U (en) | 2014-08-06 | 2014-08-06 | The PCB structure of diode rectification high input voltage DC/DC bat power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420439486.4U CN204349802U (en) | 2014-08-06 | 2014-08-06 | The PCB structure of diode rectification high input voltage DC/DC bat power supply |
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| Publication Number | Publication Date |
|---|---|
| CN204349802U true CN204349802U (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420439486.4U Active CN204349802U (en) | 2014-08-06 | 2014-08-06 | The PCB structure of diode rectification high input voltage DC/DC bat power supply |
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| CN (1) | CN204349802U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110217124A (en) * | 2019-07-11 | 2019-09-10 | 珠海英搏尔电气股份有限公司 | A kind of charger and electric vehicle with capacitor plate |
| CN110520948A (en) * | 2017-05-10 | 2019-11-29 | 矢崎总业株式会社 | Device for transformer |
-
2014
- 2014-08-06 CN CN201420439486.4U patent/CN204349802U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110520948A (en) * | 2017-05-10 | 2019-11-29 | 矢崎总业株式会社 | Device for transformer |
| CN110217124A (en) * | 2019-07-11 | 2019-09-10 | 珠海英搏尔电气股份有限公司 | A kind of charger and electric vehicle with capacitor plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Shenzhen City, Shenzhen, Guangdong, Nanshan District Taoyuan street, No. 1268, honghualing industrial North District, 1, 2 4 floors, West, 5, 6. Patentee after: Shenzhen holdluck-zyt supply technology Limited by Share Ltd Address before: 518000 Shenzhen City, Shenzhen, Guangdong, Nanshan District Taoyuan street, No. 1268, honghualing industrial North District, 1, 2 4 floors, West, 5, 6. Patentee before: ShenZhen VAPEL Power Supply Technology Co., Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 518116 Shenzhen, Longgang, Guangdong Longgang District, Baolong Industrial Zone, Longgang Road, three road 4, A Building 1, 2 floor B building 3, 4 floor C building 3, 4 Building D Patentee after: Shenzhen holdluck-zyt supply technology Limited by Share Ltd Address before: 518000 Guangdong Shenzhen Nanshan District Taoyuan street, No. 1268, No. 1, 2, 4, West, 5, 6 floor. Patentee before: Shenzhen holdluck-zyt supply technology Limited by Share Ltd |