CN202838915U - Light-emitting diode (LED) screen double-layer control card - Google Patents
Light-emitting diode (LED) screen double-layer control card Download PDFInfo
- Publication number
- CN202838915U CN202838915U CN2012205108131U CN201220510813U CN202838915U CN 202838915 U CN202838915 U CN 202838915U CN 2012205108131 U CN2012205108131 U CN 2012205108131U CN 201220510813 U CN201220510813 U CN 201220510813U CN 202838915 U CN202838915 U CN 202838915U
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- circuit board
- control card
- circuit
- fpga
- double
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Abstract
Provided is a light-emitting diode (LED) screen double-layer control card. To solve the drawbacks of an existing design, a processor chip and a field programmable gate array (FPGA) programmable component are respectively designed at different circuit boards, the two circuit boards are connected through a reliably connected plugin, and a double-layer structure is formed in space. One circuit board is upgraded and the use of other circuit boards can not be affected. The LED screen double-layer control card has the advantages of splicing flexibly, saving space and using conveniently. The LED screen double-layer control card comprises a first circuit board, wherein the first circuit board is provided with a processor and a peripheral circuit, and further comprises a second circuit board, wherein the second circuit board is provided with the FPGA programmable component and a peripheral circuit, and the second circuit board is fixed above the first circuit board. The processor is connected with the FPGA in an electric mode. Both the processor chip and the FPGA are connected with the peripheral circuits in an electric mode, and an electric connection is used for achieving the signal transmission.
Description
Technical field
The utility model relates to the double-deck control card of LED display, is used for LED display control system, particularly asynchronous system control card, and the circuit board occasion that similarly has the multiprocessing acp chip, belongs to the LED display control field.
Background technology
Have two on the control card of LED display asynchronous system and process core, one is media processing, parsing core, mostly is arm processor; Another is that data transform, the gray-coded core, mostly is FPGA.
Generally process acp chip with these two on the existing control card and be placed on the circuit board, just must the whole circuit board of redesign if cause an acp chip to upgrade.The partial circuit design iterations causes the drawbacks such as design efficiency is low, the reaction time is long, maintenance cost is high.
Summary of the invention
The utility model provides a kind of LED display double-deck control card, has mainly solved the problem that existing LED display control card maintenance cost is high, design efficiency is low, the reaction time is long.
Concrete technical solution of the present utility model is as follows:
The double-deck control card of this LED display comprises first circuit board, be provided with processor and peripheral circuit on the first circuit board, also comprise second circuit board, be provided with FPGA programming device and peripheral circuit on the second circuit board, second circuit board is fixedly installed on the first circuit board top; Processor is electrically connected with FPGA, is electrically connected to be used for realizing the signal transmission.
Above-mentioned first circuit board and second circuit board junction can be provided with the fixture for increasing strength of joint.
Another technical scheme of the utility model is to be provided with FPGA programming device and peripheral circuit at first circuit board, to be provided with processor chips and peripheral circuit on the second circuit board, and all the other connected modes are identical with technique scheme.
First circuit board and second circuit board junction are provided with the fixture for increasing strength of joint.
The utility model has the advantage of:
The utility model is in order to solve the drawback of existing design, processor chips and FPGA programming device are designed respectively on different circuit boards, two circuit boards link to each other by reliable connector, form double-decker on the space, a circuit board upgrading does not affect the use of other circuit boards, and splicing flexibly, save the space, easy to use.
Description of drawings
Fig. 1 is the utility model structural representation;
Accompanying drawing is detailed: the 1-first circuit board; The 2-second circuit board; The 3-fixture.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail, as shown in Figure 1:
The double-deck control card of this LED display comprises first circuit board, be provided with arm processor and peripheral circuit on the first circuit board, also comprise second circuit board, be provided with FPGA programming device and peripheral circuit on the second circuit board, second circuit board is fixedly installed on the first circuit board top; Arm processor is electrically connected with FPGA; ARM plate and FPGA plate are two independently circuit boards, carry out the signal transmission by connector.
Wherein first circuit board and second circuit board junction can be provided with the fixture for increasing strength of joint, and fixture can be arranged on first circuit board and second circuit board diagonal positions.
The another kind of technical scheme of the utility model is as follows:
The double-deck control card of this LED display comprises first circuit board, be provided with FPGA programming device and peripheral circuit on the first circuit board, also comprise second circuit board, be provided with arm processor on the second circuit board, second circuit board is fixedly installed on the first circuit board top; Arm processor is electrically connected with FPGA, and ARM plate and FPGA plate are two independently circuit boards, carries out the signal transmission by connector.
Wherein first circuit board and second circuit board junction can be provided with the fixture for increasing strength of joint, and fixture can be arranged on first circuit board and second circuit board diagonal positions.
Claims (4)
1. the double-deck control card of LED display comprises first circuit board, be provided with processor chips and peripheral circuit on the described first circuit board, it is characterized in that: also comprise second circuit board, be provided with FPGA programming device and peripheral circuit on the described second circuit board, second circuit board is fixedly installed on the first circuit board top and is connected with first circuit board; Described processor is electrically connected with FPGA.
2. the double-deck control card of LED display according to claim 1, it is characterized in that: described first circuit board and second circuit board junction are provided with the fixture for increasing strength of joint.
3. the double-deck control card of LED display comprises first circuit board, be provided with FPGA programming device and peripheral circuit on the described first circuit board, it is characterized in that: also comprise second circuit board, be provided with processor chips and peripheral circuit on the described second circuit board, second circuit board is fixedly installed on the first circuit board top and is connected with first circuit board; Described processor is electrically connected with FPGA.
4. the double-deck control card of LED display according to claim 3, it is characterized in that: described first circuit board and second circuit board junction are provided with the fixture for increasing strength of joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205108131U CN202838915U (en) | 2012-09-29 | 2012-09-29 | Light-emitting diode (LED) screen double-layer control card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205108131U CN202838915U (en) | 2012-09-29 | 2012-09-29 | Light-emitting diode (LED) screen double-layer control card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202838915U true CN202838915U (en) | 2013-03-27 |
Family
ID=47950561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205108131U Expired - Lifetime CN202838915U (en) | 2012-09-29 | 2012-09-29 | Light-emitting diode (LED) screen double-layer control card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202838915U (en) |
-
2012
- 2012-09-29 CN CN2012205108131U patent/CN202838915U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 710075 DEF101, Zero One Square, Xi'an Software Park, No. 72 Zhangbajie Science and Technology Second Road, Xi'an High-tech Zone, Shaanxi Province Patentee after: XI'AN NOVASTAR TECH Co.,Ltd. Address before: 710075 Qinfengge D District 401, Xi'an Software Park, 68 Science and Technology Second Road, Xi'an High-tech Zone, Shaanxi Province Patentee before: Xi'an NovaStar Tech Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |