CN201145729Y - Circuit board test device - Google Patents
Circuit board test device Download PDFInfo
- Publication number
- CN201145729Y CN201145729Y CNU2007201712846U CN200720171284U CN201145729Y CN 201145729 Y CN201145729 Y CN 201145729Y CN U2007201712846 U CNU2007201712846 U CN U2007201712846U CN 200720171284 U CN200720171284 U CN 200720171284U CN 201145729 Y CN201145729 Y CN 201145729Y
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- CN
- China
- Prior art keywords
- circuit board
- signal
- testing device
- programmable logic
- utility
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a circuit board testing device, comprising a signal input and indicator plate, and a singlechip board; the signal input and indicator plate provides a signal, signal interfaces for requiring test of the circuit board to be tested are respectively communicated with the signal input and indicator plate and the singlechip board. The singlechip board comprises a control processor and a programmable logic device, wherein the programmable logic device is controlled by the control processor, and is communicated with a computer. Because the circuit board testing device is adopted, the circuit board to be tested is not required to be arranged on a machine to be tested, thereby greatly simplifying installation, improving test safety, and allowing easy find of problems and easy operation in operation process.
Description
Technical field
The utility model relates to a kind of proving installation, particularly a kind of circuit board testing device.
Background technology
Prior art generally all detects on complete machine as the test of the circuit board of the master control borad of the master control borad of WF series, PB series and other more complicated.Test like this, circuit board need be contained in and make installation extremely convenient on the main frame, if tested circuit board has as short circuit, opens circuit, connects weldering, dry joint, lacks phenomenon or problem appearance such as welding, weld mistake, may produce unsafe consequence, and going wrong also is not easy to search, and therefore relatively wastes time and energy in the test process of plate.
The utility model content
In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides a kind of can simplify installation widely, improves test safety, the circuit board testing device in the source that is easy to search problem.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of circuit board testing device, comprise the input of the signal of signal and indicator board, single-chip microcomputer plate are provided, the signaling interface that circuit board to be tested need be tested is connected with indicator board and single-chip microcomputer plate with the signal input respectively, the single-chip microcomputer plate comprises processor controls and programmable logic device (PLD), processor controls is controlled programmable logic device (PLD), and programmable logic device (PLD) is connected with a computer.
The scheme of the further technical solution problem of the utility model is: described programmable logic device (PLD) is connected with the serial ports of computer.
The scheme of the further technical solution problem of the utility model is: described signal input comprises a power input interface with indicator board, inserts power supply at this power input interface.
The scheme of the further technical solution problem of the utility model is: the signal input comprises a plurality of inputs and output signal with indicator board.
The scheme of the further technical solution problem of the utility model is: described computer comprises that one the display device of the signal of wanting simulation test on the circuit board under test and the simulating signal that provides input can be provided.
Compared to prior art, adopt technique scheme, the beneficial effects of the utility model are: circuit board to be tested need not to be installed on the machine to test again, simplified installation widely, improve test safety, be easy to search problem, also operation is many easily on operating process.
Description of drawings
Fig. 1 is the circuit connection diagram according to circuit board testing device of the present utility model.
Fig. 2 is the interface synoptic diagram according to the circuit board under test of circuit board testing device of the present utility model.
Fig. 3 is the signaling interface synoptic diagram according to the FPGA module of the single-chip microcomputer of circuit board testing device of the present utility model.
Embodiment
In conjunction with above-mentioned description of drawings various embodiment of the present utility model.
The utility model circuit board testing device, as shown in Figure 1, fundamental purpose is for the master control borad of testing PB series, WF series and other similar master control borads.As shown in Figure 2, such circuit board under test 30 is detected circuit board, mainly detects the following signal of circuit board under test 30: the electric current and voltage value input of CN205 interface; The external detection signal of CN201 interface, output control, lamp state; The control output of IGBT etc.; Four road temperature data lines of CN203 interface; The signal that also has interface P1, P2 and P3.
As shown in Figure 1, circuit board under test 30 is inserted the utility model circuit board testing device, be connected with indicator board 20 and single-chip microcomputer plate 40 with the signal input respectively, the signal input links to each other with power supply 10 again with indicator board 20, and single-chip microcomputer plate 40 links to each other with computer 50 again.
The power supply 10 of the utility model circuit board testing device for this test fixture provide+5V and+supply voltage of 12V.
The signal input is imported for this test macro provides the signal of simulation with indicator board 20, and detection signal output.10 signal lamps are arranged above the plate, be respectively PWLG, PWSM, LightSW, LightFlash, IGBTSW, MPWR, OutPut0, OutPut1, OutPut2, OutPut3.7 buttons are respectively: K1, k2, k3, IB, VB, IA, VA; Also has a power input interface.
Signaling interface P1, the P2 of circuit board under test 30 and P 3 are connected with single-chip microcomputer plate 40, and single-chip microcomputer plate 40 comprises major control processor A TMEGA128 and programmable logic device (PLD) FPGA.Single-chip microcomputer plate 40 is the core of the utility model proving installation, and it will realize the USART communication with computer 50, and control FPGA handles various inputs and output signal.Processor controls ATMEGA128 on the single-chip microcomputer plate 40 can move AVR scm software program; The signal of FPGA, as shown in Figure 3: comprise clock signal clk, sheet selects start signal ALE, read-write WR and RD, the analog to digital conversion signal, the input of display interface and output signal also have the max114 signal promptly: sheet choosing, read-write, ad data and control signal.
The utility model circuit board testing device mainly is the processor controls ATMEGA128 control programmable logic device (PLD) FPGA that utilizes single-chip microcomputer plate 40, set up serial communication by FPGA and computer 50 again, after computer 50 starts, by application software the signal of need test is presented on the test interface, want the signal of simulation test on the circuit board under test according to demonstration and the input of simulating signal is provided, thereby just judge the place that circuit board under test goes wrong at an easy rate.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (5)
1. circuit board testing device, it is characterized in that: comprise the input of the signal of signal and indicator board, single-chip microcomputer plate are provided, the signaling interface that circuit board to be tested need be tested is connected with indicator board and single-chip microcomputer plate with the signal input respectively, the single-chip microcomputer plate comprises processor controls and programmable logic device (PLD), processor controls is controlled programmable logic device (PLD), and programmable logic device (PLD) is connected with a computer.
2. circuit board testing device according to claim 1 is characterized in that: described programmable logic device (PLD) is connected with the serial ports of computer.
3. circuit board testing device according to claim 1 is characterized in that: described signal input comprises a power input interface with indicator board, inserts power supply at this power input interface.
4. circuit board testing device according to claim 1 is characterized in that: the signal input comprises a plurality of inputs and output signal with indicator board.
5. circuit board testing device according to claim 1 is characterized in that: described computer comprises that one the display device of the signal of wanting simulation test on the circuit board under test and the simulating signal that provides input can be provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201712846U CN201145729Y (en) | 2007-11-30 | 2007-11-30 | Circuit board test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201712846U CN201145729Y (en) | 2007-11-30 | 2007-11-30 | Circuit board test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201145729Y true CN201145729Y (en) | 2008-11-05 |
Family
ID=40082612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201712846U Expired - Fee Related CN201145729Y (en) | 2007-11-30 | 2007-11-30 | Circuit board test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201145729Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076553A (en) * | 2012-12-28 | 2013-05-01 | 北京世纪东方国铁科技股份有限公司 | Test device for PCBA (printed circuit board assembly) |
| CN106469104A (en) * | 2016-08-31 | 2017-03-01 | 无锡市同步电子科技有限公司 | A kind of multichannel PCB coupling assembly test device |
-
2007
- 2007-11-30 CN CNU2007201712846U patent/CN201145729Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076553A (en) * | 2012-12-28 | 2013-05-01 | 北京世纪东方国铁科技股份有限公司 | Test device for PCBA (printed circuit board assembly) |
| CN106469104A (en) * | 2016-08-31 | 2017-03-01 | 无锡市同步电子科技有限公司 | A kind of multichannel PCB coupling assembly test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081105 Termination date: 20151130 |
|
| EXPY | Termination of patent right or utility model |