CN103575953B - Mainboard output voltage measures board and measuring method thereof - Google Patents
Mainboard output voltage measures board and measuring method thereof Download PDFInfo
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- CN103575953B CN103575953B CN201210250465.3A CN201210250465A CN103575953B CN 103575953 B CN103575953 B CN 103575953B CN 201210250465 A CN201210250465 A CN 201210250465A CN 103575953 B CN103575953 B CN 103575953B
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Abstract
A kind of mainboard output voltage measures board and measuring method discloses at this, mainboard output voltage measures board in order to measure the output voltage of mainboard, mainboard comprises the central processing unit Control of Voltage chip with core voltage pin and core video card voltage pin, and mainboard output voltage is measured board and comprised pedestal and supply module.Pedestal is for carrying mainboard.When mainboard powers on, supply module is powered to core voltage pin and core video card voltage pin, makes the activation voltage of mainboard non-vanishing.
Description
Technical field
The invention relates to a kind of mainboard output voltage measuring technique, and relate to a kind of mainboard output voltage measurement board and measuring method thereof especially.
Background technology
In recent years due to industrial and commercial flourishing, social progress, the product relatively provided also mainly for convenient, certain, economical and practical be purport, therefore, the product also progress more than ever of current exploitation, and contributed society.
In mainboard test, damaging for reducing the bad central processing unit (CPU) that causes of mainboard voltage, mainboard output voltage must be measured in frame station before test.During measurement, the element such as central processing unit, internal memory must be inserted, otherwise the output voltage of each measurement point of mainboard cannot export.
This station operating type for first plug in central processing unit, in be stored in mainboard, connect power supply unit (powersupply), by switch, mainboard is powered on after completing.Then, personnel contact each measurement point of mainboard with table rod, and read and judge that whether the magnitude of voltage of display measurement point is correct, measuring process is artificial handwork, and measurement point position is many, and speed is slow, complicated operation.On the other hand, the element such as central processing unit, internal memory must be inserted when measuring, if mainboard voltage is bad, then central processing unit can be caused to damage; Otherwise, if when not plugging in central processing unit, each measurement point Non voltage output after mainboard powers on, and cannot judge.
Summary of the invention
Therefore, an object of the present invention is providing a kind of mainboard output voltage to measure board and measuring method thereof, do not needing to plug the test that the element such as central processing unit, internal memory can complete mainboard output voltage.
Mainboard output voltage provided by the invention measures board in order to measure the output voltage of mainboard, mainboard comprises the central processing unit Control of Voltage chip with core voltage pin and core video card voltage pin, and mainboard output voltage is measured board and comprised pedestal and supply module.Pedestal is for carrying mainboard.When mainboard powers on, supply module is powered to core voltage pin and core video card voltage pin, makes the activation voltage of mainboard non-vanishing.
In one embodiment of this invention, mainboard output voltage measurement board also comprises the first thimble and the second thimble.First thimble is arranged at pedestal, for contacting core voltage pin.Second thimble is arranged at pedestal, for contacting core video card voltage pin.Supply module is electrically coupled to the first thimble and the second thimble.When the first thimble and the second thimble contact core voltage pin and core video card voltage pin respectively, supply module is powered to core voltage pin and core video card voltage pin respectively by the first thimble and the second thimble.
In one embodiment of this invention, supply module comprises voltage source, the first resistor and the second resistor.One end of first resistor connects the first thimble, and the other end of the first resistor connects voltage source.One end of second resistor connects the second thimble, and the other end of the second resistor connects voltage source.
In one embodiment of this invention, mainboard output voltage measurement board also can comprise at least one 3rd thimble.3rd thimble is for contacting at least one measurement point of mainboard.
In one embodiment of this invention, the voltage of core voltage pin is used for the operating voltage of corresponding central processing unit, and the voltage of core video card voltage pin is used for the control voltage of Video Controller embedded in corresponding central processing unit.
In one embodiment of this invention, mainboard output voltage measurement board also can comprise hold-down devices.When mainboard is carried on pedestal, hold-down devices to press down mainboard, makes supply module power to core voltage pin and core video card voltage pin towards base motion.
Present invention also offers a kind of mainboard output voltage measuring method, for measuring the output voltage of mainboard, mainboard comprises the central processing unit Control of Voltage chip with core voltage pin and core video card voltage pin.Mainboard output voltage measuring method comprises the following steps: that (a) is when mainboard powers on, and powers to core voltage pin and core video card voltage pin, makes the activation voltage of mainboard non-vanishing; B () measures the output voltage of mainboard.
In one embodiment of this invention, step (a) comprising: make the first thimble and the second thimble contact core voltage pin and core video card voltage pin respectively; Power to the first thimble and the second thimble respectively, obtain electric to make core voltage pin and core video card voltage pin.
In one embodiment of this invention, step (b) comprising: at least one measurement point utilizing at least one 3rd thimble contact mainboard, to measure the output voltage of mainboard.
In one embodiment of this invention, the voltage of core voltage pin is used for the operating voltage of corresponding central processing unit, and the voltage of core video card voltage pin is used for the control voltage of Video Controller embedded in corresponding central processing unit.
In sum, technical scheme of the present invention compared with prior art has obvious advantage and beneficial effect.By technique scheme, can reach suitable technical progress, and have the extensive value in industry, it at least has following advantages:
1. by research, during for the output voltage of testing host, when mainboard powers on, supply module is powered to the core voltage pin of central processing unit Control of Voltage chip and core video card voltage pin, activation voltage (VBOOT) setting when changing mainboard test is thus (during the output voltage of testing host in the prior art, VBOOT can remain the state equaling 0), when making to measure, mainboard is without the need to elements such as plug in central processing unit, internal memories, so not only simple flow, can avoid again central processing unit to damage; And
2. in one embodiment of this invention, with the test point of the thimble contact mainboard of board distribution, realize disposable measurement, avoid complicated artificial handwork and cause the shortcomings such as measurement speed is slow, complicated operation.
By with embodiment, above-mentioned explanation is explained in detail below, and technical scheme of the present invention is provided further explains.
Accompanying drawing explanation
Fig. 1 measures the equivalent circuit diagram of board not when measuring according to a kind of mainboard output voltage of one embodiment of the invention;
Fig. 2 measures the equivalent circuit diagram of board when measuring according to a kind of mainboard output voltage of one embodiment of the invention;
Fig. 3 is the schematic side view of a kind of mainboard output voltage measurement board according to one embodiment of the invention;
Fig. 4 is the local structural graph of a kind of hold-down devices according to one embodiment of the invention;
Fig. 5 is the process flow diagram of a kind of mainboard output voltage measuring method according to one embodiment of the invention.
[primary clustering symbol description]
100: mainboard 110: central processing unit Control of Voltage chip
111: core voltage pin 112: core video card voltage pin
120: measurement point 200: supply module
210: the first thimble 220: the second thimbles
230: the three thimbles 300: supply module
400: pedestal 500: hold-down devices
510: clamp 520: increased pressure board
610: step 620: step
R1: the first resistor R2: the second resistor
V: voltage source
Embodiment
In order to make of the present invention describe more detailed and complete, can refer to accompanying drawing and the various embodiment of the following stated, number identical in accompanying drawing represents same or analogous element.On the other hand, well-known element and step are not described in embodiment, to avoid causing unnecessary restriction to the present invention.
A technology aspect of the present invention is that a kind of mainboard output voltage measures board, and it can be applicable to measuring system, or is used in relevant sport technique segment widely.Below collocation Fig. 1 ~ 4 are illustrated that mainboard output voltage measures the embodiment of board.
Fig. 1 measures the equivalent circuit diagram of board not when measuring according to a kind of mainboard output voltage of one embodiment of the invention.As shown in Figure 1, mainboard 100 comprises central processing unit Control of Voltage chip 110, for providing voltage to central processing unit (not shown).At this, central processing unit Control of Voltage chip 110 has core voltage pin 111 and core video card voltage pin 112.Mainboard output voltage is measured board and is comprised thimble unit 200 and supply module 300, and wherein supply module 300 is electrically coupled to thimble unit 200.When not measuring, thimble unit 200 is without the need to contacting core voltage pin 111 and the core video card voltage pin 112 of the central processing unit Control of Voltage chip 110 of mainboard 100, and being namely equivalent to Fig. 1 breaker in middle is off-state.
In addition, in other embodiments, also thimble unit 200 can not be set.Directly make supply module 300 be electrically connected to core voltage pin 111 and the core video card voltage pin 112 of central processing unit Control of Voltage chip 110 when measuring.Or, also the switch of entity can replace in Fig. 1 thimble unit 200.
Fig. 2 measures the equivalent circuit diagram of board when measuring according to a kind of mainboard output voltage of one embodiment of the invention.When measuring, then mainboard 100 need power on, and thimble unit 200 need contact core voltage pin 111 and the core video card voltage pin 112 of the central processing unit Control of Voltage chip 110 of mainboard 100, and being namely equivalent to Fig. 2 breaker in middle is closure state.Now supply module 300 is powered to core voltage pin 111 and core video card voltage pin 112, makes the activation voltage of mainboard 100 (Vboot) non-vanishing.Non-vanishing by activation voltage, the state of mainboard 100 having been installed central processing unit can be simulated, therefore mainboard 100 is in fact without the need to installing the element such as central processing unit, internal memory, mainboard output voltage measures the output voltage that board also can measure mainboard 100, so not only simple flow, can avoid again central processing unit to damage.
Specifically, in the present embodiment, thimble unit 200 comprises the first thimble 210 and the second thimble 220, first thimble 210 and is respectively used to contact core voltage pin 111 and core video card voltage pin 112 with the second thimble 220.Structurally, supply module 300 electric property coupling first thimble 210 and the second thimble 220, in time using, supply module 300 is in order to power by the first thimble 210 and the second thimble 220 to core voltage pin 111 and core video card voltage pin 112.
In the present embodiment, supply module 300 comprises voltage source V, the first resistor R1 and the second resistor R2.One end of first resistor R1 connects the first thimble 210, and the other end of the first resistor R1 connects voltage source V; One end of second resistor R2 connects the second thimble 220, and the other end of the second resistor R2 connects same voltage source V.In implementation, the resistance of the magnitude of voltage of voltage source V and the first resistor R1 and the second resistor R2 the numerical value of activation voltage as required can carry out corresponding setting.
Fig. 3 is the schematic side view of a kind of mainboard output voltage measurement board according to one embodiment of the invention.As shown in Figure 3, mainboard output voltage is measured board and is comprised pedestal 400, and it can be used for carrying mainboard 100.Thimble unit 200 can be arranged on pedestal 400.
In Fig. 3, thimble unit 200 also can comprise at least one 3rd thimble 230.3rd thimble 230, for contacting one of them measurement point 120 of mainboard 100, uses the output voltage measuring mainboard 100 this measurement point 120 corresponding.
Should be appreciated that, though the 3rd thimble 230 in Fig. 3 is single, so this is only and illustrates explanation, do not limit the present invention, in practice, arranging thimble accordingly in the number of the measurement point that user can measure as required and position, to realize disposable measurement, avoids complicated artificial handwork and cause the shortcomings such as measuring speed is slow, complicated operation.
On the other hand, in Fig. 3, mainboard output voltage measures board also can comprise hold-down devices 500.In measurement process, when mainboard 100 is carried on pedestal 400, hold-down devices 500, in order to press down mainboard 100, makes thimble unit 200 really be contacted core voltage pin 111 and core video card voltage pin 112.
Fig. 4 is the local structural graph of a kind of hold-down devices 500 according to one embodiment of the invention.As shown in Figure 4, hold-down devices 500 at least comprises clamp 510 and lower platen 520.Structurally, lower platen 520 can be acrylic plate, is positioned at above pedestal 400, and clamp 510 is for bestowing pressure to lower platen 520.In time measuring, mainboard can be carried on pedestal 400, and is positioned at below lower platen 520, and when clamp 510 bestows pressure to lower platen 520, lower platen 520 is pressed down mainboard towards pedestal 400 motion, makes mainboard touch above-mentioned thimble unit.
In other embodiments, also the supply module 300 in Fig. 3 can be connected directly to the lower platen 520 of hold-down devices 500.When being carried on when mainboard 100 on the pedestal 400 in Fig. 3, press down lower platen 520, make core voltage pin on mainboard 100 111 in electrical contact with the corresponding point position on lower platen 520 with core video card voltage pin 112, thus realize supply module and power to the object of core voltage pin 111 with core video card voltage pin 112.
Another technology aspect of the present invention is a kind of mainboard output voltage measuring method, and for measuring the output voltage of mainboard, mainboard 100 comprises the central processing unit Control of Voltage chip 110 with core voltage pin 111 and core video card voltage pin 112.With reference to the process flow diagram that Fig. 5, Fig. 5 are a kind of mainboard output voltage measuring methods according to one embodiment of the invention.Please also refer to Fig. 3 and Fig. 5.This mainboard output voltage measuring method comprises the following steps 610,620.In step 610, when mainboard 100 powers on, power to core voltage pin 111 and core video card voltage pin 112, make the activation voltage of mainboard 100 non-vanishing; In step 620, measure the output voltage of mainboard 100.
Specifically, step 610 comprises: when mainboard 100 is placed on the pedestal 400 measuring board, press down mainboard 100, makes the first thimble 210 on pedestal 400 and the second thimble 220 contact core voltage pin 111 and core video card voltage pin 112 respectively.Now, can power to the first thimble 210 and the second thimble 220 respectively, obtain electric to make core voltage pin 111 with core video card voltage pin 112.
On the other hand, step 620 comprises: utilize at least one 3rd thimble 230 to contact at least one measurement point 120 of mainboard 100, uses the output voltage measuring the corresponding measurement point 120 of mainboard 100.
Should be appreciated that, step mentioned in the present embodiment, except chatting its order person bright especially, all can adjust its tandem according to actual needs, even can perform simultaneously or partly simultaneously.As for implementing the hardware unit of those steps, because above embodiment specifically discloses, therefore it is no longer repeated it.
In present pre-ferred embodiments, by research, when the output voltage of wish testing host, after mainboard powers on, supply module is powered to the core voltage pin of central processing unit Control of Voltage chip and core video card voltage pin, change activation voltage (VBOOT) setting during mainboard test thus, when making to measure, mainboard is without the need to plug in central processing unit, the elements such as internal memory, each test point on mainboard also can have voltage to export, overcome technology prejudice in this area thus (during the output voltage of testing host in the prior art, VBOOT can remain the state equaling 0), and simplify flow process, central processing unit can be avoided again to damage.In addition, thimble that board distributes also can being utilized to contact the test point of mainboard, when there is multiple test point, also can realize disposable measurement, avoid complicated artificial handwork and cause the shortcomings such as measurement speed is slow, complicated operation.
Although the present invention discloses as above with embodiment; so itself and be not used to limit the present invention, be anyly familiar with this operator, without departing from the spirit and scope of the present invention; when being used for a variety of modifications and variations, therefore protection scope of the present invention is when being as the criterion depending on those as defined in claim.
Claims (10)
1. a mainboard output voltage measures board, in order to measure the output voltage of mainboard, described mainboard comprises the central processing unit Control of Voltage chip with core voltage pin and core video card voltage pin, it is characterized in that, described mainboard output voltage is measured board and comprised:
Pedestal, for carrying described mainboard; And
Supply module, when described mainboard powers on, described supply module is powered to described core voltage pin and described core video card voltage pin, makes the activation voltage of described mainboard non-vanishing.
2. mainboard output voltage according to claim 1 measures board, it is characterized in that, also comprises:
First thimble, is arranged at described pedestal, for contacting described core voltage pin; And
Second thimble, is arranged at described pedestal, for contacting described core video card voltage pin,
Wherein said supply module is electrically coupled to described first thimble and described second thimble, when described first thimble and described second thimble contact described core voltage pin and described core video card voltage pin respectively, described supply module is powered to described core voltage pin and described core video card voltage pin respectively by described first thimble and described second thimble.
3. mainboard output voltage according to claim 2 measures board, and it is characterized in that, described supply module comprises:
Voltage source;
First resistor, its one end connects described first thimble and the other end connects described voltage source; And
Second resistor, its one end connects described second thimble and the other end connects described voltage source.
4. mainboard output voltage according to claim 2 measures board, it is characterized in that, also comprises:
At least one 3rd thimble, for contacting at least one measurement point of described mainboard.
5. mainboard output voltage according to claim 1 measures board, it is characterized in that, the voltage of described core voltage pin is used for the operating voltage of corresponding central processing unit, and the voltage of described core video card voltage pin is used for the control voltage of Video Controller embedded in corresponding described central processing unit.
6. mainboard output voltage according to claim 1 measures board, it is characterized in that, also comprises:
Hold-down devices, when described mainboard is carried on described pedestal, described hold-down devices to press down described mainboard, makes described supply module power to described core voltage pin and described core video card voltage pin towards described base motion.
7. a mainboard output voltage measuring method, for measuring the output voltage of mainboard, described mainboard comprises the central processing unit Control of Voltage chip with core voltage pin and core video card voltage pin, it is characterized in that, described mainboard output voltage measuring method comprises:
A (), when described mainboard powers on, is powered to described core voltage pin and described core video card voltage pin, is made the activation voltage of described mainboard non-vanishing; And
B () measures the output voltage of described mainboard.
8. mainboard output voltage measuring method according to claim 7, it is characterized in that, step (a) comprising:
The first thimble and the second thimble is made to contact described core voltage pin and described core video card voltage pin respectively; And
Power to the first thimble and described second thimble respectively, obtain electric to make described core voltage pin and described core video card voltage pin.
9. mainboard output voltage measuring method according to claim 8, it is characterized in that, step (b) comprising:
At least one 3rd thimble is utilized to contact at least one measurement point of described mainboard, to measure the output voltage of described mainboard.
10. mainboard output voltage measuring method according to claim 7, it is characterized in that, the voltage of described core voltage pin is used for the operating voltage of corresponding central processing unit, and the voltage of described core video card voltage pin is used for the control voltage of Video Controller embedded in corresponding described central processing unit.
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| CN201210250465.3A CN103575953B (en) | 2012-07-19 | 2012-07-19 | Mainboard output voltage measures board and measuring method thereof |
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| CN103575953B true CN103575953B (en) | 2016-04-20 |
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| CN201262633Y (en) * | 2008-09-26 | 2009-06-24 | 上海华北科技有限公司 | Test device against LGA775 platform output voltage |
| CN201369043Y (en) * | 2008-11-13 | 2009-12-23 | 名硕电脑(苏州)有限公司 | Testing device for mainboard |
| CN101726710A (en) * | 2008-10-14 | 2010-06-09 | 和硕联合科技股份有限公司 | Power supply testing control device, testing system and testing method thereof |
| TWM390456U (en) * | 2010-06-01 | 2010-10-11 | Maintek Computer (Suzhou) Co Ltd | Voltage detecting device |
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2012
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5939874A (en) * | 1997-02-26 | 1999-08-17 | Advanced Micro Devices, Inc. | Voltage detection circuit having comparator pairs with mutually connected inputs |
| CN201242560Y (en) * | 2008-07-23 | 2009-05-20 | 佛山市顺德区顺达电脑厂有限公司 | Device for testing edge voltage value |
| CN201262633Y (en) * | 2008-09-26 | 2009-06-24 | 上海华北科技有限公司 | Test device against LGA775 platform output voltage |
| CN101726710A (en) * | 2008-10-14 | 2010-06-09 | 和硕联合科技股份有限公司 | Power supply testing control device, testing system and testing method thereof |
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| TWM390456U (en) * | 2010-06-01 | 2010-10-11 | Maintek Computer (Suzhou) Co Ltd | Voltage detecting device |
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