CN101726710A - Power supply testing control device, testing system and testing method thereof - Google Patents
Power supply testing control device, testing system and testing method thereof Download PDFInfo
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Abstract
The invention provides a power supply testing control device, a testing system and a testing method thereof. The control device comprises a time sequence setup unit, a time sequence control unit and a power supply transmission unit. The time sequence setup unit is used for setting a starting time sequence of a plurality of direct current power supplies. The time sequence control unit receives a first power supply starting signal output by a mainboard to be detected, and respectively generates second power supply starting signals corresponding to the direct current power supplies according to the starting time sequence set by the time sequence setup unit. The power supply transmission unit controls the power supplies supplied by the direct current power supplies to be output to the mainboard to be detected according to the second power supply starting signals.
Description
Technical field
The present invention is about a kind of mainboard power supply measuring technology, particularly about a kind of power supply test control device, test macro and method of testing thereof.
Background technology
General computer motherboard on the market all will carry out a large amount of tests to its every performance pointer usually before shipment, wherein the power source conversion line test of motherboard is one of important test event.
In the test of present mainboard power supply conversion line, all be that power supply unit is connected directly to motherboard usually, change or adjust the direct supply value that is supplied to motherboard by power supply unit.
Yet utilize this kind method of testing can not control the startup sequential of direct supply.And owing to there is the situation of power supply instability in the reality, power supply unit can not effectively be controlled the direct supply value that exports motherboard to.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of power supply test control device, test macro and method of testing thereof, to improve the disappearance of prior art.
According to a characteristic of the present invention, the invention provides a kind of power supply test control device, couple a plurality of direct supplys and motherboard to be measured respectively with standby power.Motherboard to be measured couples power supply unit to receive standby power.Power supply test control device comprises sequential setup unit, timing control unit and power delivery unit.The sequential setup unit is in order to set the startup sequential of direct supply.Timing control unit couples the sequential setup unit, and receives first power supply starting signal of motherboard output to be measured.The startup sequential that timing control unit is set according to the sequential setup unit produces the second source enabling signal of corresponding these direct supplys respectively.The power delivery unit couples timing control unit.The power delivery unit is controlled the power supply that these direct supplys supply according to these second source enabling signals and is exported motherboard to be measured to.
According to another characteristic of the present invention, the invention provides a kind of power detecting system, couple motherboard to be measured with standby power.Test macro comprises a plurality of direct supplys and power supply test control device.Power supply test control device couples direct supply territory motherboard to be measured respectively.Controller comprises sequential setup unit, timing control unit and power delivery unit.The sequential setup unit is in order to set the startup sequential of direct supply.Timing control unit couples the sequential setup unit, and receives first power supply starting signal of motherboard output to be measured.The startup sequential that timing control unit is set according to the sequential setup unit produces the second source enabling signal of corresponding these direct supplys respectively.The power delivery unit couples timing control unit.The power delivery unit is controlled the power supply that these direct supplys supply according to these second source enabling signals and is exported motherboard to be measured to.
According to a characteristic more of the present invention, the invention provides a kind of power supply test method, be applied to power supply test control device.Method of testing comprises the following steps.At first, set the startup sequential of a plurality of direct supplys.Secondly, receive first power supply starting signal of motherboard output to be measured with standby power.Then, the startup sequential of setting according to direct supply startup sequential produces the second source enabling signal of corresponding these direct supplys respectively.At last, control the power supply that these direct supplys supply and export motherboard to be measured to.
In sum, the present invention utilizes power supply test control device to control to be supplied to the startup sequential and the output valve of the direct supply of motherboard to be measured, with this power source conversion circuit that can test out motherboard to be measured effectively at different direct supplys and the voltage output stability that starts sequential.
For above-mentioned feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Figure 1 shows that functional block diagram according to a kind of power detecting system of a preferred embodiment of the present invention.
Figure 2 shows that process flow diagram according to a kind of power supply test method of a preferred embodiment of the present invention.
Figure 3 shows that functional block diagram according to a kind of power supply test control device of a preferred embodiment of the present invention.
Figure 4 shows that synoptic diagram according to one group of thumb-acting switch of a preferred embodiment of the present invention.
Embodiment
Figure 1 shows that functional block diagram according to a kind of power detecting system of a preferred embodiment of the present invention.Please refer to Fig. 1.The power detecting system 1 that present embodiment provided couples the motherboard to be measured 2 of computer apparatus, comprises a plurality of direct supplys, power supply unit 12 and power supply test control device 13.
A plurality of direct supplys and power supply unit 12 all couple power supply test control device 13.13 of power supply test control devices couple motherboard 2 to be measured.
In present embodiment, those direct supplys are respectively 5V direct supply 111,3.3V direct supply 112 and 12V direct supply 113.Control circuit, motherboard connection device, the USB external equipment of 5V direct supply 111 in order to drive various drivers.3.3V direct supply 112 after motherboard 2 conversion to be measured in order to chip for driving group, internal memory.Motor, radiator fan and the motherboard connection device of 12V direct supply 113 in order to drive various drivers.
Simultaneously, those direct supplys also can comprise a regulon 1111,1121,1131 respectively, and for example: regulon 1111,1121,1131 can be knob, to regulate the supply voltage of corresponding direct supply.
In present embodiment, power supply unit 12 provides a standby power (5VSB) to motherboard 2 to be measured.Because the power supply of the motherboard to be measured 2 in the present embodiment meets the ATX standard, when therefore utilizing this standby power and starting motherboard 2 to be measured, first power supply starting signal (PS_ON) that motherboard 2 to be measured provides can be opened the power supply of motherboard 2 to be measured.
In addition, when all DC voltage that are supplied to motherboard 2 to be measured were all stablized output, the also exportable power supply perfect signal (PG) of the power supply unit 12 of present embodiment made computer system start smoothly to motherboard to be measured.
In present embodiment, power supply test control device 13 is used for setting and controlling the startup sequential of each direct supply, also can be used to set the startup sequential of power supply perfect signal.Simultaneously, control the transmitting DC of each direct current power supply to motherboard 2 to be measured.In addition, the power supply perfect signal also can provide via power supply test control device 13.
Figure 2 shows that process flow diagram according to a kind of power supply test method of a preferred embodiment of the present invention.Please in the lump with reference to figure 1 and with reference to figure 2.In present embodiment, shown in step S21, when test, the user can select earlier to provide the power supply perfect signal by power supply unit 12 or by power supply test control device 13.
Then, shown in step S22, respectively the startup sequential of 5V direct supply 111,3.3V direct supply 112,12V direct supply 113 and power supply perfect signal is set by power supply test control device 13, for example: can set above-mentioned three direct supplys for starting simultaneously, also can set it and (for example have a predetermined time delay each other, time delay, scope can be between 0～999ms), the present invention does not do any qualification to this.For guaranteeing that computer system starts smoothly, in present embodiment, can be set at last startup, and have certain time delay, for example: can be 125ms for the power supply perfect signal.In addition, in other embodiment, also can the startup sequential of power supply perfect signal not set.
Subsequently, shown in step S23, can regulate the supply voltage value of corresponding direct supply by regulating regulon 1111,1121,1131 on each direct supply.In present embodiment, can be earlier the supply voltage value of each direct supply be adjusted to standard value, promptly be respectively 5V, 3.3V and 12V.In test subsequently, change the supply voltage value of each direct supply more gradually.Usually, when test, the supply voltage value of each direct supply can be regulated in ± 20% scope.But the present invention does not do any qualification to this.In other embodiments, also can be earlier the supply voltage value of each direct supply be adjusted to other value.
Then, start motherboard 2 to be measured.Shown in step S24, power supply test control device 13 is with the first power supply starting signal PS_ON that can receive motherboard 2 outputs to be measured.
Shown in step S25, power supply test control device 13 starts the second source enabling signal that sequential produces more a pair of direct supply respectively according to those direct supplys of setting in step S22.
Shown in step S26, power supply test control device 13 is controlled the power supply that those direct supplys supply accordingly according to the second source enabling signal of those direct supplys and is exported this motherboard 2 to be measured to.
In present embodiment, shown in step S27, when all stablizing output by those direct current power supplies to all DC voltage of motherboard 2 to be measured, according to the startup sequential of the power supply perfect signal of setting among selection situation among the step S21 and the step S22, power supply unit 12 or power supply test control device 13 exportable power supply perfect signals are to motherboard 2 to be measured.
After computer system starts smoothly, can select to enter disc operating system (DOS) (DOS) or Windows (WINDOWS).Simultaneously, can measure and confirm whether each dc voltage value on the motherboard 2 to be measured is consistent with the supply voltage value of corresponding direct supply.Can carry out burning machine (burn-in) test to motherboard 2 to be measured subsequently, whether normal with function and the stability of judging motherboard 2 to be measured.In present embodiment, also can on computer system, move some programs and whether operate normally to detect motherboard 2 to be measured.
At last, when confirming motherboard 2 runnings to be measured just often, computer system is shut down.The startup sequential and the supply voltage value that then can change 5V direct supply 111,3.3V direct supply 112,12V direct supply 113 and power supply perfect signal are carried out the next round test.
Figure 3 shows that functional block diagram according to a kind of power supply test control device of a preferred embodiment of the present invention.Please refer to Fig. 3.The power supply test control device 13 that present embodiment provided comprises sequential setup unit 131, timing control unit 132 and power delivery unit 133.Timing control unit 132 couples sequential setup unit 131 and power delivery unit 133.
In present embodiment, sequential setup unit 131 is in order to set the startup sequential of three direct supplys and power supply perfect signal.For example, it can be four groups of thumb-acting switch (Dip switch), respectively in order to set the startup sequential of three direct supplys and power supply perfect signal.
Figure 4 shows that synoptic diagram according to one group of thumb-acting switch of a preferred embodiment of the present invention.Please refer to Fig. 4.Fig. 4 shown in only one group of thumb-acting switch 1311, be used to set the startup sequential of one of them direct supply or power supply perfect signal.Its excess-three group thumb-acting switch is all identical with thumb-acting switch 1311, does not repeat them here.
In present embodiment, this group thumb-acting switch 1311 comprises the thumb-acting switch of three four (4bit), that is, and and first thumb-acting switch 1312, second thumb-acting switch 1313 and the 3rd thumb-acting switch 1314.Wherein first thumb-acting switch 1312 can be used for setting hundred figure places of start delay time, and second thumb-acting switch 1313 can be used for setting the tens of start delay time, and the 3rd thumb-acting switch 1314 can be used for setting the units of start delay time.
Please continue with reference to figure 3.In present embodiment, timing control unit 132 comprises timing module 1321, signal comparison module 1322 and control module 1323.Signal comparison module 1322 couples sequential setup unit 131.Control module 1323 couples timing module 1321 and signal comparison module 1322.
In present embodiment, timing module 1321 produces a timing reference signal, solves the stationary problem of each unit timing with this.For example, it can be quartz (controlled) oscillator, but the present invention does not do any qualification to this.
In present embodiment, signal comparison module 1322 produces the delaying state signal of a correspondence respectively at 5V direct supply 111,3.3V direct supply 112,12V direct supply 113 and power supply perfect signal according to the setting value of sequential setup unit 131.
In present embodiment, when the gear of thumb-acting switch is in the position of ON, can the corresponding digital signal 1 that produces a high level; When the gear of thumb-acting switch is in the position of OFF, can correspondingly produce a low level digital signaling zero.For example, signal comparison module 1322 can produce the delaying state signal 0001,0010 and 0101 of corresponding direct supply or power supply perfect signal by the setting value of first thumb-acting switch 1312, second thumb-acting switch 1313 and the 3rd thumb-acting switch 1314 in this group thumb-acting switch 1311 in the comparison diagram 4.
In present embodiment, each direct supply of correspondence that control module 1323 received signal comparison modules 1322 transmit and the delaying state signal of power supply perfect signal, and calculate corresponding time delay respectively.Wherein the corresponding relation of delaying state signal and time delay can be referring to table 1.In present embodiment, the time of day of time delay is a millisecond (ms).So, utilize this group thumb-acting switch 1311 among Fig. 4 can be between 0～999ms with the start delay time set of the direct supply of correspondence.
Table 1
| The delaying state signal | The start delay time (ms) of direct supply (or power supply perfect signal) |
| ??0000 | ??0 |
| ??0001 | ??1 |
| ??0010 | ??2 |
| ??0011 | ??3 |
| ??0100 | ??4 |
| ??0101 | ??5 |
| ??0110 | ??6 |
| ??0111 | ??7 |
| ??1000 | ??8 |
| ??1001 | ??9 |
For example, in Fig. 4, the table of comparisons 1, because representing the setting value of first thumb-acting switch 1312 of start delay times hundred figure place is 0001, it corresponds to 100ms, the setting value of representing second thumb-acting switch 1313 of start delay time tens is 0010, it corresponds to 20ms, the setting value of representing the 3rd thumb-acting switch 1314 of start delay time units is 0101, it corresponds to 5ms, control module 1323 can calculate thus, and the direct supply of these group thumb-acting switch 1311 correspondences that Fig. 4 is shown or the start delay time of power supply perfect signal are 125ms.
In present embodiment, control module 1323 is coupled to motherboard 2 to be measured to receive the first power supply starting signal PS ON of motherboard 2 outputs to be measured.Thus, the start delay time that the timing reference signal that produces according to timing module 1321 when control module 1323 is judged corresponding certain direct supply or power supply perfect signal is when arriving, then produce a pair of should direct supply or the second source enabling signal of power supply perfect signal.For example, when the start delay time that control module 1323 is judged corresponding 5V direct supply 111 arrives, then corresponding output one second source enabling signal 5Von.Correspondingly, when the start delay time that control module 1323 is judged corresponding 3.3V direct supply 112 arrives, then corresponding output one second source enabling signal 3.3Von.When the start delay time that control module 1323 is judged corresponding 12V direct supply 113 arrives, then corresponding output one second source enabling signal 12Von.When the start delay time that control module 1323 is judged the corresponding power perfect signal arrives, then corresponding output one second source enabling signal PG_ON.
In present embodiment, power delivery unit 133 is according to the second source enabling signal of each direct supply that receives, and the power supply that three direct supplys of control correspondence are respectively supplied exports motherboard 2 to be measured to.
In addition, in present embodiment, when the power supply perfect signal is provided by the power supply unit among Fig. 1 12, and those direct current power supplies are to all DC voltage of motherboard 2 to be measured all during stable output, and 133 transmission one of power delivery unit control signal to power supply unit 12.In view of the above, power supply unit 12 can produce a power supply perfect signal and transfer to power delivery unit 133.When power delivery unit 133 receives the PG_ON signal of control module 1323 outputs, then control the power supply perfect signal and export motherboard 2 to be measured to.
On the other hand, when the power supply perfect signal is provided by power supply test control device 13, and those direct current power supplies to all DC voltage of motherboard 2 to be measured are all stablized when exporting power delivery unit 133 generations one power supply perfect signal.When power delivery unit 133 receives the PG_ON signal of control module 1323 outputs, control the power supply perfect signal again and export motherboard 2 to be measured to.
In sum, preferred embodiment of the present invention utilizes power supply test control device to control to be supplied to the startup sequential and the output valve of the direct supply of motherboard to be measured, with this power source conversion circuit that can test out motherboard to be measured effectively at different direct supplys and the voltage output stability that starts sequential.Compared to prior art, the power supply test control device that preferred embodiment of the present invention discloses is the startup sequential of controllable power perfect signal also simultaneously.
Though the present invention discloses as above with specific embodiment; so it is only in order to illustrate technology contents of the present invention; and be not with narrow sense of the present invention be defined in this embodiment; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (20)
1. a power supply test control device is characterized in that, couples a plurality of direct supplys and the motherboard to be measured with standby power respectively, and above-mentioned power supply test control device comprises:
The sequential setup unit is in order to set the startup sequential of above-mentioned these direct supplys;
Timing control unit, couple above-mentioned sequential setup unit, receive first power supply starting signal of above-mentioned motherboard output to be measured, the startup sequential that above-mentioned timing control unit is set according to above-mentioned sequential setup unit produces the second source enabling signal of corresponding above-mentioned these direct supplys respectively; And
The power delivery unit couples above-mentioned timing control unit, and the power supply that above-mentioned power delivery unit is supplied according to above-mentioned these direct supplys of above-mentioned these second source enabling signal controls exports above-mentioned motherboard to be measured to.
2. power supply test control device according to claim 1 is characterized in that, above-mentioned sequential setup unit is also in order to set the startup sequential of power supply perfect signal.
3. power supply test control device according to claim 2 is characterized in that, above-mentioned power supply perfect signal is produced by above-mentioned power delivery unit.
4. power supply test control device according to claim 2 is characterized in that, above-mentioned power supply perfect signal is produced by power supply unit.
5. power supply test control device according to claim 1 is characterized in that, above-mentioned sequential setup unit comprises a plurality of thumb-acting switch, respectively in order to set the startup sequential of above-mentioned these direct supplys.
6. power supply test control device according to claim 1 is characterized in that, above-mentioned timing control unit comprises:
Timing module produces the timing reference signal;
The signal comparison module couples above-mentioned sequential setup unit, produces the delaying state signal of corresponding above-mentioned these direct supplys respectively according to the startup sequential of above-mentioned sequential setup unit setting; And
Control module, couple above-mentioned timing module, above-mentioned signal comparison module and above-mentioned motherboard to be measured, calculate the time delay of corresponding above-mentioned these direct supplys respectively according to above-mentioned these delaying state signals, when above-mentioned motherboard to be measured is exported above-mentioned first power supply starting signal to above-mentioned control module, when above-mentioned control module arrives respectively at above-mentioned these time delays according to above-mentioned timing reference signal, produce the second source enabling signal of above-mentioned these corresponding above-mentioned these direct supplys.
7. power supply test control device according to claim 1 is characterized in that above-mentioned these direct supplys produce the voltage of 3.3V, 5V and 12V respectively.
8. a power detecting system couples the motherboard to be measured with standby power, it is characterized in that above-mentioned power detecting system comprises:
A plurality of direct supplys; And
Power supply test control device couples above-mentioned these above-mentioned motherboards to be measured in direct supply territory respectively, and above-mentioned power supply test control device comprises:
The sequential setup unit is in order to set the startup sequential of above-mentioned these direct supplys;
Timing control unit, couple above-mentioned sequential setup unit, receive first power supply starting signal of above-mentioned motherboard output to be measured, the startup sequential that above-mentioned timing control unit is set according to above-mentioned sequential setup unit produces the second source enabling signal of corresponding above-mentioned these direct supplys respectively; And
The power delivery unit couples above-mentioned timing control unit, and the power supply that above-mentioned power delivery unit is supplied according to above-mentioned these direct supplys of above-mentioned these second source enabling signal controls exports above-mentioned motherboard to be measured to.
9. power detecting system according to claim 8 is characterized in that, above-mentioned sequential setup unit is also in order to set the startup sequential of power supply perfect signal.
10. power detecting system according to claim 9 is characterized in that, above-mentioned power supply perfect signal is produced by above-mentioned power delivery unit.
11. power detecting system according to claim 8 is characterized in that, above-mentioned power detecting system also comprises power supply unit, is coupled to above-mentioned motherboard to be measured so that above-mentioned standby power to be provided, and wherein above-mentioned power supply unit also produces the power supply perfect signal.
12. power detecting system according to claim 8 is characterized in that, above-mentioned sequential setup unit comprises a plurality of thumb-acting switch, respectively in order to set the startup sequential of above-mentioned these direct supplys.
13. power detecting system according to claim 8 is characterized in that, above-mentioned timing control unit comprises:
Timing module produces the timing reference signal;
The signal comparison module couples above-mentioned sequential setup unit, produces the delaying state signal of corresponding above-mentioned these direct supplys respectively according to the startup sequential of above-mentioned sequential setup unit setting; And
Control module, couple above-mentioned timing module, above-mentioned signal comparison module and above-mentioned motherboard to be measured, calculate the time delay of corresponding above-mentioned these direct supplys respectively according to above-mentioned these delaying state signals, when above-mentioned motherboard to be measured is exported above-mentioned first power supply starting signal to above-mentioned control module, when above-mentioned control module arrives respectively at above-mentioned these time delays according to above-mentioned timing reference signal, produce the second source enabling signal of above-mentioned these corresponding above-mentioned these direct supplys.
14. power detecting system according to claim 8 is characterized in that, wherein above-mentioned these direct supplys produce the voltage of 3.3V, 5V and 12V respectively.
15. power detecting system according to claim 8 is characterized in that, above-mentioned these direct supplys comprise regulon respectively, to regulate the voltage of corresponding direct supply.
16. a power supply test method is applied to power supply test control device, it is characterized in that, above-mentioned power supply test method comprises the following steps:
Set the startup sequential of a plurality of direct supplys;
Reception has first power supply starting signal of the motherboard output to be measured of standby power;
Produce the second source enabling signal of corresponding above-mentioned these direct supplys respectively according to the startup sequential of above-mentioned these direct supplys; And
The power supply that above-mentioned these direct supplys of control are supplied exports above-mentioned motherboard to be measured to.
17. power supply test method according to claim 16 is characterized in that, above-mentioned power supply test method also comprises the startup sequential of setting above-mentioned power supply perfect signal.
18. power supply test method according to claim 17 is characterized in that, above-mentioned power supply perfect signal is produced by above-mentioned power supply test control device.
19. power supply test method according to claim 17 is characterized in that, above-mentioned power supply perfect signal is produced by power supply unit.
20. power supply test method according to claim 16 is characterized in that, above-mentioned power supply test method also comprises the supply voltage value of adjusting above-mentioned these direct supplys.
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| CN101726710B (en) | 2011-12-14 |
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