CN201199359Y - Apparatus for monitoring state of mainboard power supply and sequence signal - Google Patents
Apparatus for monitoring state of mainboard power supply and sequence signal Download PDFInfo
- Publication number
- CN201199359Y CN201199359Y CN 200820101981 CN200820101981U CN201199359Y CN 201199359 Y CN201199359 Y CN 201199359Y CN 200820101981 CN200820101981 CN 200820101981 CN 200820101981 U CN200820101981 U CN 200820101981U CN 201199359 Y CN201199359 Y CN 201199359Y
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- microcontroller
- monitoring device
- power supply
- clock signal
- circuit
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Abstract
The utility model provides a monitoring device for states of the motherboard power and sequence signals, which is connected with a monitored motherboard. The monitoring device comprises at least one input circuit, a microcontroller and a personal computer; wherein, the input circuit comprises a sampling circuit and a analog-to-digital converter; the microcontroller comprises a micro-control chip for mixed signals; after connected with the sampling circuit, the monitored motherboard is connected with the analog-to-digital converter and to the micro-control chip for mixed signals, and then connected to the personal computer through the microcontroller, so as to simultaneously and real-timely monitor the states of the multi-power supply and sequence signals of the motherboard in testing, display the states of the continuously rising and dropping voltages and then store the data in the hard disc of the personal computer in a TXT format, thus facilitating the follow-up analysis and processing and simultaneously greatly improving the monitoring efficiency.
Description
[technical field]
The utility model relates to the monitoring device of a kind of power supply and clock signal state, and is particularly a kind of about the power supply of PC mainboard in test process and the monitoring device of clock signal state.
[background technology]
In the mainboard test process, the state of power supply and clock signal directly has influence on the result of test, and therefore how real-time the monitoring power supply and the state of clock signal just become in the mainboard test process very part and parcel.Monitoring power supply and clock signal state usually can be with two kinds of devices: oscillograph and logic analyser.Described oscillograph can be monitored the state of two-way power supply and clock signal at most simultaneously; And logic analyser can be monitored multichannel simultaneously, but it can only monitor power supply and the clock signal voltage instantaneous saltus step situation when reaching leaping voltage.
In the prior art, oscillograph can't accomplish multichannel (as eight the road or multichannel more) time monitoring, and it costs an arm and a leg; Logic analyser can only monitor the instantaneous saltus step when reaching leaping voltage of power supply and clock signal voltage, can't monitoring voltage continue the variable condition that rises and descend, and it costs an arm and a leg.
[summary of the invention]
The technical problems to be solved in the utility model, be to provide a kind of device in order to monitoring mainboard its power supply and clock signal state in test process, can realize the monitoring in real time simultaneously of multiple power supplies and clock signal voltage, and can the lasting variable condition that rises and descend of monitoring voltage.
The utility model is achieved in that the monitoring device of a kind of motherboard power supply and clock signal state, is connected in tested mainboard, and this monitoring device comprises at least one input circuit, a microcontroller and PC; Wherein, described input circuit comprises sample circuit and analog to digital converter, and described microcontroller comprises a mixed signal microcontroller chip; Connection mode number converter behind the described tested mainboard connection sample circuit is connected to described mixed signal microcontroller chip again, is connected to PC by microcontroller again.
In the technique scheme, described monitoring device comprises 8 input circuits.
Wherein, described input circuit comprises that further one adjusts circuit, and described adjustment circuit is connected between described sample circuit and the analog to digital converter.
Wherein, described microcontroller further comprises a USB interface, and is connected with PC by this USB interface.
Wherein, the model of described mixed signal microcontroller chip is C8051F320.
The utility model adopts above-mentioned technical scheme, has following beneficial effect:
1, with the multiple power supplies of mainboard and the state of clock signal in the monitoring test simultaneously in real time, can gather multichannel data simultaneously, monitor the polylith mainboard simultaneously, greatly improve monitoring efficient, if when the image data circuit is controlled at 8 the tunnel, its effect is preferable;
2, can monitor the variable condition that power supply and clock signal voltage continue rising and descends, high performance mixed signal microcontroller chip C8051F320 reaches as high as the 25MIPS processing speed, can reach A/D (mould/number) converter 1000ksps switching rate and hi-speed USB interface and PC (PC) communication can realize real-time monitoring, the lasting rising of display voltage and the variable condition that descends and data are stored in the PC hard disk with the TXT form, make follow-up analysis and processing become very convenient.
3, this installs each ingredient and all can be fully utilized, and cost is lower, promotes easily.
[description of drawings]
In conjunction with the embodiments the utility model is further described with reference to the accompanying drawings.
Fig. 1 is a theory structure connection diagram of the present utility model.
Fig. 2 is an operating process synoptic diagram of the present utility model.
Fig. 3 is a related software operational flow diagram of the present utility model.
[embodiment]
See also shown in Figure 1ly, the monitoring device 10 of a kind of motherboard power supply and clock signal state is connected in tested mainboard 1, and this monitoring device 10 comprises at least one input circuit 2, a microcontroller 3 and PC 4; Wherein, no matter how many numbers of tested mainboard 1 is, if when the input circuit in the monitoring device 10 2 is controlled to be 8, only need during connection input circuit 2 different incoming lines are inserted different mainboards 1, and the ground wire that satisfies tested mainboard 1 and monitoring device 10 is getting final product of linking together.So can gather 8 power supplys and the clock signal of tested mainboard 1 simultaneously, efficient is high and power supply and clock signal acquisition rate each road are also higher, is more satisfactory state.
Wherein, described each input circuit 2 includes a sample circuit 21, and adjusts circuit 22 and a modulus (A/D) converter 23, and described microcontroller 3 comprises a mixed signal microcontroller chip 31 and a USB interface 32; Its annexation is: described tested mainboard 1 is connected behind the sample circuit 21 by adjusting circuit 22 connection mode number converters 23, be connected to described mixed signal microcontroller chip 31 again, the USB interface 32 by microcontroller is connected to PC 4 at last.
The utility model monitoring device adopts high performance mixed signal microcontroller chip C8051F320 as the controller kernel.This microcontroller processing speed reaches as high as 25MIPS, and inner self-carried USB interface.The A/D converter AD7821 that this device is 1000ksps by eight switching rates of C8051F320 control gathers power supply and clock signal voltage data, by USB interface analyzing and handle in the image data playback PC, and display power supply and clock signal change in voltage curve.
Again as shown in Figure 2, the utility model pick-up unit operating process is: the power supply of tested mainboard 1 and clock signal voltage, the sample collection of at first every road behind over-sampling circuit 21, then according to different magnitudes of voltage, carry out the decay of different multiples by adjusting circuit 22, to satisfy the requirement of A/D converter 23 input voltages, and then by A/D converter 23 collection voltage datas, and data are reached microcontroller 3, carry out data processing through high performance mixed signal microcontroller chip 31C8051F320, send PC 4 to handle by USB interface 32 at last, storage also shows curve.
As shown in Figure 3, the utility model pick-up unit installed software mainly comprises the two large divisions, and forward part is installed in described microcontroller 3 ends, and the rear section is installed in described PC 4 ends.
Its microcontroller 3 end operational schemees are: the first step: with I/O (input and output) interface, USB interface 32 initialization; Second step: carry out the A/D data acquisition; The 3rd step: USB interface break in service; The 4th step: send data to the PC end;
Described PC 4 end operational schemees are: the first step: be connected last step, obtain the identification number of USB interface; Second step: open USB interface equipment according to identification number; The 3rd step: receive the data that described mixed signal microcontroller chip 31 sends; The 4th step: according to receiving the data presentation curve; The 5th step: data are stored with the TXT form.
Claims (5)
1. the monitoring device of motherboard power supply and clock signal state is connected in tested mainboard, it is characterized in that: this monitoring device comprise a microcontroller, PC and at least one input circuit; Wherein, described input circuit comprises sample circuit and analog to digital converter, and described microcontroller comprises a mixed signal microcontroller chip; Connection mode number converter behind the described tested mainboard connection sample circuit is connected to described mixed signal microcontroller chip again, is connected to PC by microcontroller again.
2. the monitoring device of motherboard power supply according to claim 1 and clock signal state is characterized in that: this monitoring device comprises 8 input circuits.
3. the monitoring device of motherboard power supply according to claim 1 and 2 and clock signal state is characterized in that: described input circuit comprises that also one adjusts circuit, and described adjustment circuit is connected between described sample circuit and the analog to digital converter.
4. the monitoring device of motherboard power supply according to claim 1 and clock signal state is characterized in that: described microcontroller also comprises a USB interface, and is connected with PC by this USB interface.
5. according to the monitoring device of claim 1 or 4 described motherboard power supplies and clock signal state, it is characterized in that: the model of described mixed signal microcontroller chip is C8051F320.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820101981 CN201199359Y (en) | 2008-04-17 | 2008-04-17 | Apparatus for monitoring state of mainboard power supply and sequence signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820101981 CN201199359Y (en) | 2008-04-17 | 2008-04-17 | Apparatus for monitoring state of mainboard power supply and sequence signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201199359Y true CN201199359Y (en) | 2009-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820101981 Expired - Fee Related CN201199359Y (en) | 2008-04-17 | 2008-04-17 | Apparatus for monitoring state of mainboard power supply and sequence signal |
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| CN (1) | CN201199359Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102436413A (en) * | 2011-11-08 | 2012-05-02 | 迈普通信技术股份有限公司 | Debugging system and debugging method of board power supply |
| CN102567157A (en) * | 2011-12-30 | 2012-07-11 | 曙光信息产业股份有限公司 | Testing device of power sequence signal on computer |
| CN102841320A (en) * | 2011-06-24 | 2012-12-26 | 杨静云 | Direct current test platform for IT (information technology) equipment |
| CN107402358A (en) * | 2017-07-25 | 2017-11-28 | 北京航天恒容电磁科技有限公司 | A kind of polymorphic type power supply signal nurses one's health conversion equipment |
| CN107703462A (en) * | 2017-10-18 | 2018-02-16 | 郑州云海信息技术有限公司 | A kind of controller |
| CN111352041A (en) * | 2020-02-29 | 2020-06-30 | 苏州浪潮智能科技有限公司 | Power supply time sequence measuring method and device |
| CN112925696A (en) * | 2019-12-06 | 2021-06-08 | 立端科技股份有限公司 | Power supply time sequence visualization system |
| CN115373324A (en) * | 2022-10-19 | 2022-11-22 | 井芯微电子技术(天津)有限公司 | Board card power supply time sequence control and monitoring method and device based on micro control unit |
-
2008
- 2008-04-17 CN CN 200820101981 patent/CN201199359Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102841320A (en) * | 2011-06-24 | 2012-12-26 | 杨静云 | Direct current test platform for IT (information technology) equipment |
| CN102436413A (en) * | 2011-11-08 | 2012-05-02 | 迈普通信技术股份有限公司 | Debugging system and debugging method of board power supply |
| CN102436413B (en) * | 2011-11-08 | 2015-07-01 | 迈普通信技术股份有限公司 | Debugging system and debugging method of board power supply |
| CN102567157A (en) * | 2011-12-30 | 2012-07-11 | 曙光信息产业股份有限公司 | Testing device of power sequence signal on computer |
| CN107402358A (en) * | 2017-07-25 | 2017-11-28 | 北京航天恒容电磁科技有限公司 | A kind of polymorphic type power supply signal nurses one's health conversion equipment |
| CN107703462A (en) * | 2017-10-18 | 2018-02-16 | 郑州云海信息技术有限公司 | A kind of controller |
| CN112925696A (en) * | 2019-12-06 | 2021-06-08 | 立端科技股份有限公司 | Power supply time sequence visualization system |
| CN112925696B (en) * | 2019-12-06 | 2022-08-23 | 立端科技股份有限公司 | Power supply time sequence visualization system |
| CN111352041A (en) * | 2020-02-29 | 2020-06-30 | 苏州浪潮智能科技有限公司 | Power supply time sequence measuring method and device |
| CN115373324A (en) * | 2022-10-19 | 2022-11-22 | 井芯微电子技术(天津)有限公司 | Board card power supply time sequence control and monitoring method and device based on micro control unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090225 Termination date: 20110417 |