CN204347508U - Based on the omnipotent BL converter of Single Chip Microcomputer (SCM) system - Google Patents
Based on the omnipotent BL converter of Single Chip Microcomputer (SCM) system Download PDFInfo
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- CN204347508U CN204347508U CN201420792010.9U CN201420792010U CN204347508U CN 204347508 U CN204347508 U CN 204347508U CN 201420792010 U CN201420792010 U CN 201420792010U CN 204347508 U CN204347508 U CN 204347508U
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Abstract
The utility model relates to a kind of omnipotent BL converter based on Single Chip Microcomputer (SCM) system, comprise mainboard and be located at the single-chip microcomputer on mainboard, two DC-DC module and two panels OZ9998ARN electric current pio chip, power input connects described two DC-DC module, described two DC-DC module connect OZ9998ARN electric current pio chip described in a slice respectively, a slice OZ9998ARN electric current pio chip supports that 8 passages export, described two panels OZ9998ARN electric current pio chip is drawn 16 passages and is exported, described mainboard is arranged two rows and arrange pin, described 16 passages export and are connected to described two row row pins, one row is used for carrying out parallel connection according to current value, the parallel connection realizing electric current by jumping cap adds up or reduces, one row is used for the converting interface being connected to corresponding machine by wire jumper, with the connection of satisfied different machine.This converter highly versatile, without the need to changing, improve production efficiency, reducing cost of development.
Description
Technical field
The utility model relates to LCM module fabrication techniques field, particularly a kind of omnipotent BL converter based on Single Chip Microcomputer (SCM) system.
Background technology
In the prior art, the job specifications of different product LightBar is different, is mainly output current, operating voltage, operating power are different with interface type, if cannot share existing converter, then need again to develop BL converter.Although also have exploitation by the converter of multiple product integration at 1 BL converter before, along with product makes the transition to MS/TV, such converter cannot meet the shared requirement of all products.The deficiency that in prior art, BL converter exists is: 1, mainly according to the customization of product specification book, commonality is not good; BL converter and relevant wire rod need be switched when 2, switching machine, affect efficiency; 3, plank and wire rod type many, be not easy to management; 4, annual new product quantity is many, and as all customized, then cost of development is high.
Summary of the invention
The purpose of this utility model is to provide a kind of omnipotent BL converter based on Single Chip Microcomputer (SCM) system, this converter highly versatile, without the need to changing, improve production efficiency, reducing cost of development.
For achieving the above object, the technical solution of the utility model is: a kind of omnipotent BL converter based on Single Chip Microcomputer (SCM) system, comprise mainboard and be located at the single-chip microcomputer on mainboard, two DC-DC module and two panels OZ9998ARN electric current pio chip, power input connects described two DC-DC module, described two DC-DC module connect OZ9998ARN electric current pio chip described in a slice respectively, a slice OZ9998ARN electric current pio chip supports that 8 passages export, described two panels OZ9998ARN electric current pio chip is drawn 16 passages and is exported, described mainboard is arranged two rows and arrange pin, described 16 passages export and are connected to described two row row pins, one row is used for carrying out parallel connection according to current value, the parallel connection realizing electric current by jumping cap adds up or reduces, one row is used for the converting interface being connected to corresponding machine by wire jumper, with the connection of satisfied different machine.
Further, described DC-DC module being connected with multiple OVP controlling resistance with different OVP value, described single-chip microcomputer being connected with the relay for selecting different OVP controlling resistance.
Further, described single-chip microcomputer is connected with display module, to show selected OVP value.
Further, described OZ9998ARN electric current pio chip is connected with the current adjusting knob for regulating every channel current.
Further, described two row row pins are connected with output current detection circuit and operating voltage testing circuit.
Further, described current detection circuit is connected with described single-chip microcomputer with operating voltage testing circuit, and described single-chip microcomputer is connected with display module, to show actual output current and operating voltage.
The beneficial effects of the utility model there is provided a kind of omnipotent BL converter based on Single Chip Microcomputer (SCM) system, this BL converter goes for nearly all concentrating, be applicable to LCM industry from small size to module to TV industry, highly versatile, improve the production efficiency of factory, and product is single, is convenient to management, reduces cost of development simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
The present invention is based on the omnipotent BL converter of Single Chip Microcomputer (SCM) system, as shown in Figure 1, comprise mainboard and be located at the single-chip microcomputer on mainboard, two DC-DC module and two panels OZ9998ARN electric current pio chip, power input connects described two DC-DC module, described two DC-DC module connect OZ9998ARN electric current pio chip described in a slice respectively, a slice OZ9998ARN electric current pio chip supports that 8 passages export, described two panels OZ9998ARN electric current pio chip is drawn 16 passages and is exported, described mainboard is arranged two rows and arrange pin, described 16 passages export and are connected to described two row row pins, one row is used for carrying out parallel connection according to current value, the parallel connection realizing electric current by jumping cap adds up or reduces, one row is used for the converting interface being connected to corresponding machine by wire jumper, with the connection of satisfied different machine.
Above-mentioned DC-DC module being connected with multiple OVP controlling resistance with different OVP value, described single-chip microcomputer being connected with the relay for selecting different OVP controlling resistance.Different OVP value calculates according to each machine theoretical work voltage data.When selecting corresponding machine, relay automatically skips to corresponding OVP value and shows in LCD display module.
Above-mentioned OZ9998ARN electric current pio chip is connected with the current adjusting knob for regulating every channel current.The utility model is by 2 OZ9998ARN electric current pio chips; a chip supports that 8 passages export; the output current value of each passage can be regulated to change at 1ma ~ 65ma by resistance; 16 passage output currents can change at 1ma ~ 1040ma; thus the requirement of different machine BL gray scale can be met, to guarantee picture decision condition.
Above-mentioned two row row pins are connected with output current detection circuit and operating voltage testing circuit, and current detection circuit is connected with described single-chip microcomputer with operating voltage testing circuit.Described single-chip microcomputer is connected with LCD display module, with the OVP value, actual output current and the operating voltage that recall after showing selected corresponding machine, visual to realize, confirm whether output current and voltage are specification value.
The utility model can set up peripheral multiplex roles flap, mainboard only increases by two rows and arrange pin, a row is used for carrying out parallel connection according to current value, and the cumulative sum in parallel realizing electric current by jumping cap reduces, one row is used for the converting interface by wire jumper this machine extremely corresponding, with the connection of satisfied different machine.
During work, first select corresponding machine name, the inside has stored corresponding operational voltage value, and after selected, relay automatically skips to corresponding OPV resistance and LCD shows.After connecting load, require electric current according to this product specification, row's pin is arranged part wire jumper outward on multiplex roles flap, regulate every passage output current by current adjusting knob, finally can obtain product ultimate current specification.The utility model adds output current detection circuit and operating voltage testing circuit, and the OVP value of the corresponding machine stored in single-chip microcomputer, can show in real time, can be confirmed whether working properly on LCD.
Be more than preferred embodiment of the present utility model, all changes done according to technical solutions of the utility model, when the function produced does not exceed the scope of technical solutions of the utility model, all belong to protection domain of the present utility model.
Claims (6)
1. the omnipotent BL converter based on Single Chip Microcomputer (SCM) system, it is characterized in that, comprise mainboard and be located at the single-chip microcomputer on mainboard, two DC-DC module and two panels OZ9998ARN electric current pio chip, power input connects described two DC-DC module, described two DC-DC module connect OZ9998ARN electric current pio chip described in a slice respectively, a slice OZ9998ARN electric current pio chip supports that 8 passages export, described two panels OZ9998ARN electric current pio chip is drawn 16 passages and is exported, described mainboard is arranged two rows and arrange pin, described 16 passages export and are connected to described two row row pins, one row is used for carrying out parallel connection according to current value, the parallel connection realizing electric current by jumping cap adds up or reduces, one row is used for the converting interface being connected to corresponding machine by wire jumper, with the connection of satisfied different machine.
2. the omnipotent BL converter based on Single Chip Microcomputer (SCM) system according to claim 1, it is characterized in that, described DC-DC module being connected with multiple OVP controlling resistance with different OVP value, described single-chip microcomputer being connected with the relay for selecting different OVP controlling resistance.
3. the omnipotent BL converter based on Single Chip Microcomputer (SCM) system according to claim 2, is characterized in that, described single-chip microcomputer is connected with display module, to show selected OVP value.
4. the omnipotent BL converter based on Single Chip Microcomputer (SCM) system according to claim 1, is characterized in that, described OZ9998ARN electric current pio chip is connected with the current adjusting knob for regulating every channel current.
5. the omnipotent BL converter based on Single Chip Microcomputer (SCM) system according to claim 1, is characterized in that, described two row row pins are connected with output current detection circuit and operating voltage testing circuit.
6. the omnipotent BL converter based on Single Chip Microcomputer (SCM) system according to claim 5, it is characterized in that, described current detection circuit is connected with described single-chip microcomputer with operating voltage testing circuit, and described single-chip microcomputer is connected with display module, to show actual output current and operating voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420792010.9U CN204347508U (en) | 2014-12-16 | 2014-12-16 | Based on the omnipotent BL converter of Single Chip Microcomputer (SCM) system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420792010.9U CN204347508U (en) | 2014-12-16 | 2014-12-16 | Based on the omnipotent BL converter of Single Chip Microcomputer (SCM) system |
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| CN204347508U true CN204347508U (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420792010.9U Active CN204347508U (en) | 2014-12-16 | 2014-12-16 | Based on the omnipotent BL converter of Single Chip Microcomputer (SCM) system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111007389A (en) * | 2019-12-28 | 2020-04-14 | 苏州浪潮智能科技有限公司 | Testing arrangement of mainboard |
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2014
- 2014-12-16 CN CN201420792010.9U patent/CN204347508U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111007389A (en) * | 2019-12-28 | 2020-04-14 | 苏州浪潮智能科技有限公司 | Testing arrangement of mainboard |
| CN111007389B (en) * | 2019-12-28 | 2022-12-16 | 苏州浪潮智能科技有限公司 | Testing arrangement of mainboard |
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