CN111930577B - Hot plug testing device and method for server power supply - Google Patents
Hot plug testing device and method for server power supply Download PDFInfo
- Publication number
- CN111930577B CN111930577B CN202010666176.6A CN202010666176A CN111930577B CN 111930577 B CN111930577 B CN 111930577B CN 202010666176 A CN202010666176 A CN 202010666176A CN 111930577 B CN111930577 B CN 111930577B
- Authority
- CN
- China
- Prior art keywords
- psu
- hot plug
- testing device
- bracket
- power supply
- Prior art date
- 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.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000005259 measurement Methods 0.000 claims abstract description 15
- 238000010998 test method Methods 0.000 claims description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
- G06F11/2221—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test input/output devices or peripheral units
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2273—Test methods
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2284—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing by power-on test, e.g. power-on self test [POST]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
The invention provides a hot plug testing device and a hot plug testing method for a server power supply. The method comprises the following steps: the device comprises a control module, a stepping motor, a weight measuring module and a distance measuring module; the control module is respectively connected with the stepping motor, the weight measuring module and the distance measuring module and controls the operation of the device; the weight measuring module detects whether a PSU is placed on the PSU bracket; the distance measurement module controls the heights of telescopic arms for placing the weight measurement module and the distance measurement module through a stepping motor according to the relation between the side length and the angle of the right-angled triangle so as to ensure that the connection part of the PSU and the PSU jig plate is kept horizontal; the stepping motor is used for controlling the PSU bracket to move vertically or horizontally to complete adjustment and stretching. The hot plug testing device provided by the invention is detachable, removes the influence of different manual operation methods on signal testing, and solves the problem of power suspension.
Description
Technical Field
The invention belongs to the technical field of server power supplies, and particularly relates to a hot plug testing device and a hot plug testing method for a server power supply.
Background
Along with the increasing of network services carried by data centers, the operational capability of servers is also promoted, the heights of the servers are developed from 1U to 4U or even higher, the placement positions of power supplies are also more and more varied, and the design that the power supplies are placed on the upper side of the rear window of a case is more and more diverse in the face of the 4U servers.
In the prior art, when the server side tests and requires a large number of plugging times, the manual plugging is used, so that the time and labor are greatly wasted, and the problems of signal interference and the like are easily caused by the improper operation when the manual operation is tired; under the condition of diversification of power supply placement in a 4U server, poor contact is easy to occur between a PSU and a jig, and a system power supply is easy to be short-circuited in the plugging and unplugging process, as shown in FIG. 1, a power supply placement schematic diagram 1 in the prior art is provided; fig. 2 shows a schematic diagram 2 of power supply placement in the prior art; when the jig plate is connected, the power supply can be suspended, and the contact point of the PSU and the jig plate is loosened under the action of gravity, so that the circuit can be seriously short-circuited especially when the jig plate is laterally placed.
Disclosure of Invention
In order to solve the technical problem, the invention provides a hot plug test device and a test method for a server power supply, which are used for realizing automatic hot plug test of a server side, removing the influence of different manual operation methods on PSU signal test and solving the problem of power supply suspension.
In order to achieve the purpose, the invention adopts the following technical scheme:
a hot plug testing device for a server power supply leads out a power supply signal and is connected with a server through a PSU (power system unit) jig board; the hot plug testing device comprises: the device comprises a control module, a stepping motor, a weight measuring module and a distance measuring module;
the control module is respectively connected with the stepping motor, the weight measuring module and the distance measuring module and is used for controlling the operation of the hot plug testing device; the weight measuring module detects whether the PSU is placed on the PSU bracket or not according to the pressure sensor; the distance measurement module controls the heights of telescopic arms for placing the weight measurement module and the distance measurement module through a stepping motor according to the relation between the side length and the angle of the right-angled triangle so as to ensure that the connection part of the PSU and the PSU jig plate is kept horizontal; the stepping motor is used for controlling the PSU bracket to move vertically or horizontally to complete adjustment and stretching.
Furthermore, the input end of the hot plug testing device is connected with a power supply; the output end of the hot plug testing device is connected with the server through a PSU (power system unit) jig board; and the PSU jig board is also connected with the oscilloscope.
Further, the hot plug testing device further comprises a PSU side-placing fixing hole 1, a PSU flat-placing fixing hole 8, a push-pull tray 2, a chassis 3, a fixing frame 4, a horizontal push-pull shaft 5, a vertical push-pull shaft 7, a telescopic arm 6, a PSU flat-placing bracket 9 and a PSU side-placing bracket 10;
the PSU side placing fixing hole 1 is used for fixing the PSU jig plate in the PSU flat placing bracket 9; the PSU flat fixing hole 8 is used for fixing the PSU jig plate in the PSU side holding groove 10; the PSU flat-placing bracket 9 and the PSU side-placing bracket 10 are used for placing the PSU and the PSU jig plate; the push-pull tray 2 is adjacent to both the PSU horizontal bracket 9 and the PSU side bracket 10 and is used for carrying out horizontal hot plug operation and vertical hot plug operation on the PSU; the horizontal push-pull shaft 5 is used for horizontally pushing and pulling the laterally placed PSU; the vertical push-pull shaft 7 is used for vertically pushing and pulling the horizontally-placed PSU;
the telescopic arm 6 is used for placing a weight measuring module and a distance measuring module; the chassis 3 is used for placing a control module, a stepping motor and a storage device; the fixing frame 4 is used for fixing the hot plug testing device.
Further, the PSU jig board includes gold fingers 11, signal terminals 12, PSU connectors 13, and connecting wires 14;
the PSU jig board is connected with the server through a golden finger 11; the signal terminal 12 is used for measuring a PSU signal by an oscilloscope; the PSU connector 13 is provided with mounting holes corresponding to the PSU side placing fixing hole 1 and the PSU flat placing fixing hole 8 and is used for connecting the hot plug testing device; the connecting line 14 is used for electrically connecting the server and the hot plug testing device.
Further, the control module adopts an Arm processing chip.
The invention also provides a hot plug test method for the server power supply, which is realized based on the hot plug test device for the server power supply and comprises the following steps:
receiving a PSU test signal of a server end;
detecting whether the PSU is placed or not through a pressure sensor in the weight measuring module according to the received PSU test signal; after the PSU is detected to be placed stably, the distance measuring module controls the height of the telescopic arm through the stepping motor according to the relation between the side length and the angle of the right-angled triangle;
after the telescopic arm is fixed, the hot plug testing device adjusts the height of the tray according to the angle of the PSU, ensures that the connection position of the PSU and the PSU jig plate is kept horizontal, and outputs a power supply signal.
Further, before receiving the server PSU test signal, the method further includes:
connecting the PSU jig board with a hot plug testing device;
the PSU is placed in a PSU horizontal bracket or a PSU side bracket, and the PSU horizontal bracket or the PSU side bracket is pushed and pulled through a horizontal push-pull shaft or a vertical push-pull shaft.
The effect provided in the summary of the invention is only the effect of the embodiment, not all the effects of the invention, and one of the above technical solutions has the following advantages or beneficial effects:
the embodiment 1 of the invention provides a hot plug testing device and a testing method for a server power supply, wherein a power supply signal is led out by the hot plug testing device and is connected with a server through a PSU (power system unit) jig board; the hot plug testing device comprises: the device comprises a control module, a stepping motor, a weight measuring module and a distance measuring module; the control module is respectively connected with the stepping motor, the weight measuring module and the distance measuring module and is used for controlling the operation of the hot plug testing device; the weight measuring module detects whether the PSU is placed on the PSU bracket or not according to the pressure sensor; the distance measurement module controls the heights of telescopic arms for placing the weight measurement module and the distance measurement module through a stepping motor according to the relationship between the side length and the angle of the right-angled triangle so as to ensure that the connection part of the PSU and the PSU jig plate is kept horizontal; the stepping motor is used for controlling the PSU bracket to move vertically or horizontally to complete adjustment and stretching. Based on the hot plug testing device for the server power supply and the hot plug testing method for the server power supply, the PSU jig board is connected with the hot plug testing device; the PSU is placed in a PSU horizontal bracket or a PSU side bracket, and the PSU horizontal bracket or the PSU side bracket is pushed and pulled through a horizontal push-pull shaft or a vertical push-pull shaft. Then, receiving a PSU test signal of a server end; detecting whether the PSU is placed or not through a pressure sensor in the weight measuring module according to the received PSU test signal; after the PSU is detected to be placed stably, the distance measuring module controls the height of the telescopic arm through the stepping motor according to the relation between the side length and the angle of the right-angled triangle; after the telescopic arm is fixed, the hot plug testing device adjusts the height of the tray according to the angle of the PSU, ensures that the connection position of the PSU and the PSU jig plate is kept horizontal, and outputs a power supply signal. The hot plug testing device for the server power supply is detachable in support, and can provide an auxiliary support effect for other tests during non-special tests. In addition, when the server side is used for plugging and unplugging tests, manpower can be liberated, automatic tests are realized, the test method is fixed, the influence of different manual operation methods on PSU signal tests is eliminated, and the problem that a power supply is suspended is solved.
Drawings
FIG. 1 is a schematic diagram of a power supply placement in the prior art;
FIG. 2 is a schematic diagram of a power supply placement in the prior art;
fig. 3 is a schematic diagram illustrating an overall connection of a hot plug test apparatus for a server power supply according to embodiment 1 of the present invention;
fig. 4 is a block diagram of a control module in a hot plug testing apparatus for a server power supply according to embodiment 1 of the present invention;
fig. 5 is a schematic structural diagram of a hot plug test apparatus for a server power supply according to embodiment 1 of the present invention;
fig. 6 is a schematic diagram of a PSU fixture plate structure in embodiment 1 of the present invention;
fig. 7 is a flowchart of a hot plug testing method for a server power supply according to embodiment 2 of the present invention.
Detailed Description
In order to clearly explain the technical features of the present invention, the present invention will be explained in detail by the following embodiments and the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Moreover, the present disclosure may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and procedures are omitted so as to not unnecessarily limit the invention.
Example 1
Embodiment 1 of the present invention provides a hot plug test apparatus for a server power supply, and fig. 3 is a schematic overall connection diagram of the hot plug test apparatus for the server power supply according to embodiment 1 of the present invention; the hot plug testing device draws a power supply signal and is connected with the server through the PSU jig board. The input end of the hot plug testing device is connected with a power supply; the output end of the hot plug testing device is connected with the server through the PSU jig board, wherein the PSU jig board is also connected with the oscilloscope.
The hot plug testing device comprises a control module, a stepping motor, a weight measuring module and a distance measuring module; fig. 4 is a block diagram of a control module in a hot plug testing apparatus for a server power supply according to embodiment 1 of the present invention; the control module is respectively connected with the stepping motor, the weight measuring module and the distance measuring module and is used for controlling the operation of the hot plug testing device. The weight measuring module detects whether a PSU is placed on the PSU bracket or not according to the pressure sensor; the distance measurement module controls the heights of telescopic arms for placing the weight measurement module and the distance measurement module through a stepping motor according to the relation between the side length and the angle of the right-angled triangle so as to ensure that the connection part of the PSU and the PSU jig plate is kept horizontal; the stepping motor is used for controlling the PSU bracket to move vertically or horizontally to complete adjustment and stretching.
Fig. 5 is a schematic structural diagram of a hot plug test apparatus for a server power supply according to embodiment 1 of the present invention.
The hot plug testing device further comprises a PSU side placing fixing hole 1, a PSU flat placing fixing hole 8, a push-pull tray 2, a chassis 3, a fixing frame 4, a horizontal push-pull shaft 5, a vertical push-pull shaft 7, a telescopic arm 6, a PSU flat placing bracket 9 and a PSU side placing bracket 10.
The PSU side placing fixing hole 1 is used for fixing the PSU jig plate in the PSU flat placing bracket 9.
The PSU mounting holes 8 are used to mount the PSU jig board in the PSU side mounting brackets 10.
The PSU flat-placing bracket 9 and the PSU side-placing bracket 10 are used for placing the PSU and the PSU jig plate; the push-pull tray 2 is adjacent to both the PSU horizontal bracket 9 and the PSU side bracket 10 and is used for carrying out horizontal hot plug operation and vertical hot plug operation on the PSU; the horizontal push-pull shaft 5 is used for horizontally pushing and pulling the laterally placed PSU; the vertical push-pull shaft 7 is used for vertically pushing and pulling the horizontally laid PSU.
The telescopic arm 6 is used for placing the weight measuring module and the distance measuring module. The PSU height adjusting device is used for judging whether the PSU is placed or not and adjusting the height of the bracket, so that the PSU is normally connected with the jig plate and deviation does not occur.
The chassis 3 is used for placing a control module, a stepping motor and a storage device; the fixing frame 4 is used for fixing the whole hot plug testing device without moving. Wherein the storage means is for storing test data and the like.
Fig. 6 is a schematic diagram of a PSU fixture structure in embodiment 1 of the present invention.
The PSU jig board includes gold fingers 11, signal terminals 12, PSU connectors 13, and connection wires 14. The PSU jig board is connected with the server through a golden finger 11; the signal terminal 12 is used for measuring a PSU signal by an oscilloscope; the PSU connector 13 is provided with mounting holes corresponding to the PSU side placing fixing hole 1 and the PSU flat placing fixing hole 8 and is used for connecting a hot plug testing device; the connecting line 14 is used for electrically connecting the server and the hot plug test device, namely, realizing the transmission of signals.
Example 2
Based on the hot plug test device for the server power supply provided by the invention, a hot plug test method for the server power supply is also provided, for example, fig. 7 is a flow chart of a hot plug test method for the server power supply in embodiment 2 of the invention.
Before executing the hot plug test method of the server power supply, the PSU jig board is fixedly connected with the hot plug test device, the PSU jig board is connected with the server, and the oscilloscope is connected with the signal terminal of the PSU jig board and is set to be in a trigger mode.
The PSU is placed in a PSU horizontal bracket or a PSU side bracket, and the PSU horizontal bracket or the PSU side bracket is pushed and pulled through a horizontal push-pull shaft or a vertical push-pull shaft. And then performing hot plug test of the server power supply.
In step S701, a server PSU test signal is received.
In step S702, whether the PSU is placed is detected by the pressure sensor in the weight measuring module according to the received PSU test signal.
In step S703, it is determined whether the returned value is a placement, and if so, step S704 is executed, otherwise, step S709 is executed.
In step S704, after detecting that the PSU is stable, a time delay is set to 30 seconds in embodiment 2 of the present invention, and the data protected by the present invention is not limited to the embodiment.
In step S705, the ranging module controls the height of the telescopic arm through the stepping motor according to the relationship between the side length and the angle of the right triangle.
In step S706, it is determined whether the accuracy is smaller than the threshold, and is set to 1mm in embodiment 2 of the present invention, and the data protected by the present invention is not limited to the embodiment. If not less than the threshold value, the process returns to step S705, and if less than the threshold value, step S707 is executed.
In step S707, after the telescopic arm is fixed, the hot-plug test apparatus adjusts the height of the tray according to the angle at which the PSU is placed, so as to ensure that the joint between the PSU and the PSU jig board is kept horizontal, and outputs a power signal.
In step S708, the number of cycles is set.
In step S709, the flow ends.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, the scope of the present invention is not limited thereto. Various modifications and alterations will occur to those skilled in the art based on the foregoing description. And are neither required nor exhaustive of all embodiments. On the basis of the technical scheme of the invention, various modifications or changes which can be made by a person skilled in the art without creative efforts are still within the protection scope of the invention.
Claims (7)
1. A hot plug testing device for a server power supply is characterized in that a power supply signal is led out by the hot plug testing device and is connected with a server through a PSU (Power supply Unit) jig board; the hot plug testing device comprises: the device comprises a control module, a stepping motor, a weight measuring module and a distance measuring module;
the control module is respectively connected with the stepping motor, the weight measuring module and the distance measuring module and is used for controlling the operation of the hot plug testing device; the weight measuring module detects whether a PSU is placed on the PSU bracket or not according to the pressure sensor; the distance measurement module controls the heights of telescopic arms for placing the weight measurement module and the distance measurement module through a stepping motor according to the relation between the side length and the angle of the right-angled triangle so as to ensure that the connection part of the PSU and the PSU jig plate is kept horizontal; the stepping motor is used for controlling the PSU bracket to move vertically or horizontally to complete adjustment and stretching.
2. A hot-plug testing device for server power supplies according to claim 1, wherein an input terminal of the hot-plug testing device is connected to a power supply; the output end of the hot plug testing device is connected with the server through a PSU (power system unit) jig board; and the PSU jig board is also connected with the oscilloscope.
3. A hot plug test device for a server power supply according to claim 2, further comprising a PSU side placing fixing hole (1), a PSU side placing fixing hole (8), a push-pull tray (2), a chassis (3), a fixing frame (4), a horizontal push-pull shaft (5), a vertical push-pull shaft (7), a telescopic arm (6), a PSU side placing bracket (9) and a PSU side placing bracket (10);
the PSU side placing fixing hole (1) is used for fixing the PSU jig plate in a PSU flat placing bracket (9); the PSU flat fixing hole (8) is used for fixing the PSU jig plate in the PSU side holding groove (10); the PSU flat-placing bracket (9) and the PSU side-placing bracket (10) are used for placing the PSU and the PSU jig plate; the push-pull tray (2) is abutted to both the PSU horizontal bracket (9) and the PSU side bracket (10) and is used for carrying out horizontal hot plug operation and vertical hot plug operation on the PSU; the horizontal push-pull shaft (5) is used for horizontally pushing and pulling the laterally placed PSU; the vertical push-pull shaft (7) is used for vertically pushing and pulling the horizontal PSU;
the telescopic arm (6) is used for placing the weight measuring module and the distance measuring module; the chassis (3) is used for placing a control module, a stepping motor and a storage device; the fixing frame (4) is used for fixing the hot plug testing device.
4. A hot plug test device for server power supply according to claim 2, wherein the PSU fixture board comprises gold fingers (11), signal terminals (12), PSU connectors (13) and connecting wires (14);
the PSU jig board is connected with the server through a golden finger (11); the signal terminal (12) is used for measuring a PSU signal by an oscilloscope; the PSU connector (13) is provided with mounting holes corresponding to the PSU side placing fixing hole (1) and the PSU flat placing fixing hole (8) and is used for connecting the hot plug testing device; the connecting line (14) is used for electrically connecting the server and the hot plug testing device.
5. A hot plug testing device for server power supply according to claim 1, wherein said control module employs an Arm processing chip.
6. A hot plug test method for a server power supply, which is implemented based on the hot plug test device for the server power supply of any one of claims 1 to 5, and is characterized by comprising the following steps:
receiving a PSU test signal of a server end;
detecting whether the PSU is placed or not through a pressure sensor in the weight measuring module according to the received PSU test signal; after the PSU is detected to be placed stably, the distance measuring module controls the height of the telescopic arm through the stepping motor according to the relation between the side length and the angle of the right-angled triangle;
after the telescopic arm is fixed, the hot plug testing device adjusts the height of the tray according to the angle of the PSU, ensures that the connection position of the PSU and the PSU jig plate is kept horizontal, and outputs a power supply signal.
7. The method of claim 6, further comprising, prior to receiving the server PSU test signal:
connecting the PSU jig board with a hot plug testing device;
the PSU is placed in a PSU horizontal bracket or a PSU side bracket, and the PSU horizontal bracket or the PSU side bracket is pushed and pulled through a horizontal push-pull shaft or a vertical push-pull shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010666176.6A CN111930577B (en) | 2020-07-10 | 2020-07-10 | Hot plug testing device and method for server power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010666176.6A CN111930577B (en) | 2020-07-10 | 2020-07-10 | Hot plug testing device and method for server power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111930577A CN111930577A (en) | 2020-11-13 |
| CN111930577B true CN111930577B (en) | 2022-07-08 |
Family
ID=73312751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010666176.6A Active CN111930577B (en) | 2020-07-10 | 2020-07-10 | Hot plug testing device and method for server power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111930577B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112748354B (en) * | 2021-01-15 | 2022-07-15 | 苏州浪潮智能科技有限公司 | Connection testing method and system for server power supply |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208141330U (en) * | 2018-05-21 | 2018-11-23 | 郑州云海信息技术有限公司 | A kind of power supplying system of server |
| CN110377138A (en) * | 2019-06-29 | 2019-10-25 | 苏州浪潮智能科技有限公司 | A kind of multipath server power supply circuit and method for controlling power supply |
| CN111258403A (en) * | 2020-02-10 | 2020-06-09 | 苏州浪潮智能科技有限公司 | Control device for centralized power supply of server |
-
2020
- 2020-07-10 CN CN202010666176.6A patent/CN111930577B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208141330U (en) * | 2018-05-21 | 2018-11-23 | 郑州云海信息技术有限公司 | A kind of power supplying system of server |
| CN110377138A (en) * | 2019-06-29 | 2019-10-25 | 苏州浪潮智能科技有限公司 | A kind of multipath server power supply circuit and method for controlling power supply |
| CN111258403A (en) * | 2020-02-10 | 2020-06-09 | 苏州浪潮智能科技有限公司 | Control device for centralized power supply of server |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111930577A (en) | 2020-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI445980B (en) | Signal integrity testing system and method | |
| CN111930577B (en) | Hot plug testing device and method for server power supply | |
| CN107608847B (en) | Electronic device, control method and control device thereof | |
| CN105372536A (en) | Aviation electronic universal test platform | |
| CN211505789U (en) | PCIE board card testing arrangement | |
| US10802991B2 (en) | Pluggable module identification system | |
| CN1457118A (en) | Plate card position inspecting method | |
| US20120008938A1 (en) | Data Transmission Systems and Methods | |
| CN219532768U (en) | Computer hardware mainboard strength detection device | |
| JP4501951B2 (en) | Differential transmission circuit, disk array device, and output signal setting method | |
| CN108235640B (en) | Case with cable-free connection structure and implementation method thereof | |
| CN116340068A (en) | Server, main board and fault positioning method for external equipment of server | |
| CN113125855B (en) | Impedance measurement method for printed board differential signal line | |
| CN112748354B (en) | Connection testing method and system for server power supply | |
| CN214278390U (en) | Automatic detection equipment based on detect SATA line break-make | |
| CN112526410B (en) | Hardware pin jitter test system, method and device | |
| CN201945661U (en) | Chimeric state detection device for connector | |
| CN210639606U (en) | Tool card based on OCP3.0 card test | |
| CN213633702U (en) | Camera mainboard test equipment | |
| CN211785792U (en) | Resistance testing device with mounting bracket | |
| CN214225917U (en) | Embedded modular industrial main board | |
| CN213780231U (en) | Tool for testing Sensor monomer | |
| CN115242609B (en) | Whole vehicle CAN bus fault frame analysis method and device and vehicle | |
| CN219369897U (en) | Flat wire high-voltage pinhole detection system | |
| CN219286050U (en) | System for detecting running risk of solid state disk |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |