CN110515013A - A kind of dielectric strength test method, system and server power supply - Google Patents
A kind of dielectric strength test method, system and server power supply Download PDFInfo
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- CN110515013A CN110515013A CN201910677010.1A CN201910677010A CN110515013A CN 110515013 A CN110515013 A CN 110515013A CN 201910677010 A CN201910677010 A CN 201910677010A CN 110515013 A CN110515013 A CN 110515013A
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- 238000012360 testing method Methods 0.000 claims abstract description 52
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
Abstract
The present invention provides a kind of dielectric strength test method, system and server power supply, this method are as follows: receives and is used to indicate the will start dielectric strength test first instruction information；The status information of acquisition server power supply；According to status information, the folding condition of the switch of server power supply is determined；If switch is closed state, the control terminal of Xiang Kaiguan sends cut-off signal, and the step for return to the status information for executing acquisition server power supply；If switch is off-state, feedback is used to indicate the second indication information that the pressure limiting device of server power supply has disconnected.In the present solution, according to the status information of server power supply, determining whether the pressure limiting device of server power supply disconnects before starting dielectric strength test, if not disconnecting, cut-off signal is sent to the control terminal of switch, pressure limiting device is disconnected and carries out dielectric strength test.It does not need to disconnect pressure limiting device again after labor costs dismantle server power supply the plenty of time, saves the testing time and improve testing efficiency.
Description
Technical field
The present invention relates to automatic control technology fields, and in particular to a kind of dielectric strength test method, system and server
Power supply.
Background technique
With the development of science and technology, server becomes a vital ring in the business of various industries.Server exists
In operational process, mainly it is powered by server power supply for server.
In national standard, the electrical equipments such as electric components, which need to be tested, bears overvoltage ability.To server power supply into
The mode of row dielectric strength test is usual are as follows: then the pressure limiting device first removed in server power supply artificial first is resisted again
Electric strength test.But manufacturer has been encapsulated as finished product before server power supply is sent to inspection, manually needs first to dismantle manually
Server power supply, then pressure limiting device is removed, it is long low with testing efficiency to remove the time.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of dielectric strength test method, system and server power supply, to solve
The existing mode for carrying out dielectric strength test is existing to remove the problems such as time is long and testing efficiency is low.
To achieve the above object, the embodiment of the present invention provides the following technical solutions:
First aspect of the embodiment of the present invention discloses a kind of server power supply, and the server power supply includes at least: Y capacitance
Group, X capacitor, common mode inhibition device, bleeder resistance group, overcurrent protective device, switch and pressure limiting device；
The Y capacitance group is in parallel with the X capacitor, and the common mode inhibition device is in parallel with the X capacitor, the bleeder resistance
Group is in parallel with the common mode inhibition device, and one end of the switch is connect with one end of the bleeder resistance group, the pressure limiting device
One end connect with the other end of the switch, the other end of the other end of the pressure limiting device and the bleeder resistance group connects
It connects, is provided with the overcurrent protective device between the switch and the bleeder resistance group.
Preferably, the Y capacitance group includes: n concatenated Y capacitances, and n is even number.
Preferably, the bleeder resistance group includes: m concatenated bleeder resistances, and m is the integer more than or equal to 3.
Preferably, the switch includes: cmos switch.
Preferably, the overcurrent protective device includes fuse.
Preferably, the common mode inhibition device includes: power supply common mode inductance.
Preferably, the pressure limiting device includes varistor.
Second aspect of the embodiment of the present invention discloses a kind of dielectric strength test method, is suitable for first party of the embodiment of the present invention
Server power supply disclosed in face, which comprises
It receives and is used to indicate the will start dielectric strength test first instruction information；
The status information of acquisition server power supply；
According to the state information, the folding condition of the switch of the server power supply is determined；
If the switch is closed state, cut-off signal is sent to the control terminal of the switch, and returns to execution acquisition clothes
The step for status information of business device power supply；
If the switch is off-state, second indication information is fed back, the second indication information is used to indicate the clothes
The pressure limiting device of business device power supply has disconnected.
The third aspect of the embodiment of the present invention discloses a kind of dielectric strength test system, is suitable for first party of the embodiment of the present invention
Server power supply disclosed in face, the system comprises:
Receiving unit is used to indicate the will start dielectric strength test first instruction information for receiving；
Acquisition unit, the status information for acquisition server power supply；
Determination unit, for according to the state information, the folding condition of the switch of the server power supply being determined, if institute
Stating switch is closed state, executes transmission unit, if the switch is off-state, executes feedback unit；
Transmission unit for sending cut-off signal to the control terminal of the switch, and returns and executes the acquisition unit；
Feedback unit, for feeding back second indication information, the second indication information is used to indicate the server power supply
Pressure limiting device disconnected.
Based on a kind of dielectric strength test method, system and server power supply that the embodiments of the present invention provide, the party
Method are as follows: receive and be used to indicate the will start dielectric strength test first instruction information；The status information of acquisition server power supply；
According to status information, the folding condition of the switch of server power supply is determined；If switch is closed state, the control terminal of Xiang Kaiguan is sent out
The step for sending cut-off signal, and returning to the status information for executing acquisition server power supply；If switch is off-state, feedback is used
In the second indication information that the pressure limiting device of instruction server power supply has disconnected.In the present solution, before starting dielectric strength test,
According to the status information of server power supply, determine whether the pressure limiting device of server power supply disconnects, if not disconnecting, to switch
Control terminal sends cut-off signal, disconnects pressure limiting device and carries out dielectric strength test.Labor costs are not needed to tear open the plenty of time
Pressure limiting device is disconnected again after opening server power supply, saves the testing time and improves testing efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structural block diagram of server power supply provided in an embodiment of the present invention；
Fig. 2 is a kind of configuration diagram of server power supply provided in an embodiment of the present invention；
Fig. 3 is a kind of flow chart of dielectric strength test method provided in an embodiment of the present invention；
Fig. 4 is a kind of structural block diagram of dielectric strength test system provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In this application, the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion,
So that the process, method, article or equipment for including a series of elements not only includes those elements, but also including not having
The other element being expressly recited, or further include for elements inherent to such a process, method, article, or device.Do not having
There is the element limited in the case where more limiting by sentence "including a ...", it is not excluded that in the mistake including the element
There is also other identical elements in journey, method, article or equipment.
It can be seen from background technology that usual to the mode of server power supply progress dielectric strength test at present are as follows: artificial first
The pressure limiting device in server power supply is first removed, then carries out dielectric strength test again.But manufacturer is by server power supply
It has been encapsulated as finished product before sending to inspection, has manually needed first to dismantle server power supply manually, then pressure limiting device is removed, removes the time
Long and testing efficiency is low.
Therefore, the embodiment of the present invention provides a kind of dielectric strength test method, system and server power supply, is starting anti-electricity
Before strength test, according to the status information of server power supply, determine whether the pressure limiting device of server power supply disconnects, if not breaking
It opens, then sends cut-off signal to the control terminal of switch, disconnect pressure limiting device and carry out dielectric strength test, when saving test
Between and improve testing efficiency.
More preferably to illustrate each electric components being related in embodiments of the present invention, carried out by the following contents
It illustrates:
Y capacitance: belonging to one of type of safety capacitor, inhibits common mode interference.Y capacitance is respectively transboundary in power line two
Line and it is low between.Limitation based on leakage current, the capacitance of Y capacitance are usually nF rank.
X capacitor: belonging to one of type of safety capacitor, inhibits DM EMI.X capacitor be connected across two line of power line it
Between, usually metal thin film capacitor.Limitation based on leakage current, the capacitance of X capacitor are usually uF grades.
Power supply common mode inductance: also known as common mode choke, for filtering the electromagnetic interference signal of common mode in Switching Power Supply.
Varistor: it is mainly used for carrying out current potential clamper when circuit bears over-voltage, it is quick to protect to absorb extra electric current
Inductor component.
Referring to Fig. 1, a kind of structural block diagram of server power supply provided in an embodiment of the present invention, the server electricity are shown
Source includes at least:: Y capacitance group 100, X capacitor 200, common mode inhibition device 300, bleeder resistance group 400, overcurrent protective device 500,
Switch 600 and pressure limiting device 700；
The Y capacitance group 100 is in parallel with the X capacitor 200.
In the concrete realization, the Y capacitance group 100 includes: n concatenated Y capacitances, and n is even number.Such as: the Y capacitance
Group 100 includes concatenated first Y capacitance and the second Y capacitance, and one end of the first Y capacitance is connect with one end of the X capacitor 200,
The other end of first capacitor is connect with one end of the second capacitor, and the other end of the other end of the second capacitor and the capacitor 200 connects
It connects.
The common mode inhibition device 300 is in parallel with the X capacitor 200.
In the concrete realization, the common mode inhibition device 300 is the component with common mode inhibition function, including but is not only limited
In: power supply common mode inductance.
The bleeder resistance group 400 is in parallel with the common mode inhibition device 300.
One end of the switch 600 is connect with one end of the bleeder resistance group 400.
In the concrete realization, the overcurrent protective device is provided between the switch 600 and the bleeder resistance group 400
500.The switch 600 is the component with opening and closing function, includes but are not limited to cmos switch.The overcurrent protective device
500 be the component with overcurrent protection function, includes but are not limited to fuse.
In further realize, one end of the overcurrent protective device 500 is connect with one end of the bleeder resistance, institute
The other end for stating overcurrent protective device 500 is connect with one end of the switch 600.
One end of the pressure limiting device 700 is connect with the other end of the switch 600, the pressure limiting device 700 it is another
End is connect with the other end of the bleeder resistance group 400.
In the concrete realization, the pressure limiting device 700 is the component with pressure-limiting function, is included but are not limited to pressure-sensitive
Resistance.
Further in the specific implementation, the bleeder resistance group 400 includes: m concatenated bleeder resistances, m be greater than
Integer equal to 3.
Such as: the bleeder resistance group 400 includes concatenated first bleeder resistance, the second bleeder resistance and third vent discharge
Resistance.One end of first bleeder resistance connects with one end of the common mode inhibition device 300 and one end of overcurrent protective device 500 respectively
It connects, the other end of overcurrent protective device 500 is connect with one end of switch 600, the other end and the pressure limiting device 700 of switch 600
One end connection.The other end of first bleeder resistance is connect with one end of the second bleeder resistance, the other end of the second bleeder resistance with
One end of third bleeder resistance connects, the other end of third bleeder resistance respectively with the other end of the common mode inhibition device 300 and
The other end of pressure limiting device 700 connects.
It should be noted that the structure of server power supply involved in the embodiment of the present invention, includes but are not limited to above-mentioned
It is related to: Y capacitance group, X capacitor, common mode inhibition device, bleeder resistance group, overcurrent protective device, switch and pressure limiting device.
Further, it should be noted that presently, there are miscellaneous server power supplies, as long as with other structures
There are pressure limiting devices in server power supply has it in conjunction with the structure for the server power supply that the embodiments of the present invention provide
Increase switch in the server power supply of its structure.
More preferably to illustrate the server power supply that the embodiments of the present invention are related to, it is illustrated, is joined by Fig. 2
See Fig. 2, shows the configuration diagram of server power supply provided in an embodiment of the present invention.
In described Fig. 2, comprising: 2 Y capacitance groups, X capacitor, power supply common mode inductance, 3 bleeder resistances, fuse,
Cmos switch and varistor.
CY1 and CY4 is Y capacitance, and CX1 is X capacitor, and L2 is power supply common mode inductance, and R13, R16 and R18 are bleeder resistance, F1
For fuse, D4 is varistor.CON1 to CON3 is interface.
Wherein, the specification of CY1 and CY4 is 250VAC/330PF, and the specification of CX1 is 305VAC/0.22uF, R13, R16 and
The specification of R18 is 390K/1206HV, and the specification of F1 is 12.5/250V, and the specification of D3 is 300V/4500A.
In embodiments of the present invention, before starting dielectric strength test, according to the status information of server power supply, clothes are determined
Whether the pressure limiting device of business device power supply disconnects, if not disconnecting, sends cut-off signal to the control terminal of switch, keeps pressure limiting device disconnected
Dielectric strength test is opened and carried out, the testing time is saved and improves testing efficiency.
It is corresponding with a kind of server power supply that the embodiments of the present invention provide, referring to Fig. 3, show implementation of the present invention
A kind of flow chart for dielectric strength test method that example provides, the method is suitable for the aforementioned server power supply being related to, described
Method the following steps are included:
Step S301: it receives and is used to indicate the will start dielectric strength test first instruction information.
During implementing step S301, before carrying out dielectric strength test, reception is used to indicate and will start
First instruction information of dielectric strength test.Such as: tester is led to before carrying out dielectric strength test to server power supply
It crosses the equipment such as mobile terminal or computer and sends the first instruction information.
Step S302: the status information of acquisition server power supply.
It should be noted that presetting the definition of each pin in the main control chip of server power supply.
During implementing step S302, after receiving the first instruction information, pass through the server
The main control chip of power supply, acquires the information of each pin on the main control chip, to obtain the state of the server power supply
Information.
Step S303: according to the state information, the folding condition of the switch of the server power supply is determined.If described open
Closing is closed state, executes step S304, if the switch is off-state, executes step S305.
During implementing step S303, it should be noted that define be used in the main control chip in advance
Control the pin of the closed state of the switch.Pass through the information of the pin, it may be determined that the closed state of the switch.
Step S304: cut-off signal is sent to the control terminal of the switch, and returns to step S302.
During implementing step S304, by controlling the pin of the switch in the main control chip, to institute
The control terminal for stating switch sends cut-off signal.And S302 is returned to step, the state letter of the server power supply is acquired again
Breath, and further determine that whether the switch is already off according to the status information of the server power supply.
Including but are not limited to following two mode by way of controlling the pin of the switch in the main control chip:
Mode one will be switched off instruction by I2C communication interface and be sent to the main control chip, and it is disconnected to control the main control chip
Open the switch.
Mode two will be switched off burning program into the main control chip by I2C communication interface, pass through the interrupt routine
The main control chip is controlled, the switch is disconnected.
Step S305: feedback is used to indicate the second indication information that the pressure limiting device of the server power supply has disconnected.
During implementing step S305, when determining that the switch is already off, then illustrate the server electricity
The pressure limiting device in source is already off, feeds back second indication information, indicates that the pressure limiting device of the server power supply has disconnected, can be with
Carry out the follow-up process of dielectric strength test.Such as: by feeding back second instruction to the equipment such as mobile terminal or computer
Information prompts the pressure limiting device of server power supply described in technical staff already off in the form of pop-up plus text.
In embodiments of the present invention, before starting dielectric strength test, according to the status information of server power supply, clothes are determined
Whether the pressure limiting device of business device power supply disconnects, if not disconnecting, sends cut-off signal to the control terminal of switch, keeps pressure limiting device disconnected
Dielectric strength test is opened and carried out, the testing time is saved and improves testing efficiency.
Corresponding with a kind of dielectric strength test method that the embodiments of the present invention provide, referring to fig. 4, the present invention is implemented
Example additionally provides a kind of structural block diagram of dielectric strength test system, and the system is suitable for the server power supply, the system
System includes: receiving unit 401, acquisition unit 402, determination unit 403, transmission unit 404 and feedback unit 405；
Receiving unit 401 is used to indicate the will start dielectric strength test first instruction information for receiving.
Acquisition unit 402, the status information for acquisition server power supply.
Determination unit 403, for according to the state information, determining the folding condition of the switch of the server power supply,
If the switch is closed state, transmission unit 404 is executed, if the switch is off-state, executes feedback unit 405.
Transmission unit 404 for sending cut-off signal to the control terminal of the switch, and returns and executes the acquisition unit
402。
Feedback unit 405, for feeding back second indication information, the second indication information is used to indicate the server electricity
The pressure limiting device in source has disconnected.
In embodiments of the present invention, before starting dielectric strength test, according to the status information of server power supply, clothes are determined
Whether the pressure limiting device of business device power supply disconnects, if not disconnecting, sends cut-off signal to the control terminal of switch, keeps pressure limiting device disconnected
Dielectric strength test is opened and carried out, the testing time is saved and improves testing efficiency.
In conclusion the embodiment of the present invention provides a kind of dielectric strength test method, system and server power supply, this method
Are as follows: it receives and is used to indicate the will start dielectric strength test first instruction information；The status information of acquisition server power supply；Root
According to status information, the folding condition of the switch of server power supply is determined；If switch is closed state, the control terminal of Xiang Kaiguan is sent
Cut-off signal, and return to the step for execution determines the folding condition of switch of server power supply；If switch is off-state, instead
Feedback is used to indicate the second indication information that the pressure limiting device of server power supply has disconnected.In the present solution, being surveyed starting dielectric strength
Before examination, according to the status information of server power supply, determine whether the pressure limiting device of server power supply disconnects, if not disconnecting, to
The control terminal of switch sends cut-off signal, disconnects pressure limiting device and carries out dielectric strength test.It is a large amount of labor costs are not needed
Time disconnects pressure limiting device after dismantling server power supply again, saves the testing time and improves testing efficiency.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system or
For system embodiment, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to method
The part of embodiment illustrates.System and system embodiment described above is only schematical, wherein the conduct
The unit of separate part description may or may not be physically separated, component shown as a unit can be or
Person may not be physical unit, it can and it is in one place, or may be distributed over multiple network units.It can root
According to actual need that some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.Ordinary skill
Personnel can understand and implement without creative efforts.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. a kind of server power supply, which is characterized in that the server power supply includes at least: Y capacitance group, X capacitor, common mode inhibition
Device, bleeder resistance group, overcurrent protective device, switch and pressure limiting device；
The Y capacitance group is in parallel with the X capacitor, and the common mode inhibition device is in parallel with the X capacitor, the bleeder resistance group with
The common mode inhibition device is in parallel, and one end of the switch is connect with one end of the bleeder resistance group, and the one of the pressure limiting device
End is connect with the other end of the switch, and the other end of the pressure limiting device is connect with the other end of the bleeder resistance group, institute
It states and is provided with the overcurrent protective device between switch and the bleeder resistance group.
2. server power supply according to claim 1, which is characterized in that the Y capacitance group includes: n concatenated Y electricity
Hold, n is even number.
3. server power supply according to claim 1, which is characterized in that the bleeder resistance group, which includes: that m is concatenated, lets out
Electric discharge resistance, m are the integer more than or equal to 3.
4. server power supply according to claim 1, which is characterized in that the switch includes: cmos switch.
5. server power supply according to claim 1, which is characterized in that the overcurrent protective device includes fuse.
6. server power supply according to claim 1, which is characterized in that the common mode inhibition device includes: power supply common mode electricity
Sense.
7. server power supply according to claim 1, which is characterized in that the pressure limiting device includes varistor.
8. a kind of dielectric strength test method, which is characterized in that any server electricity suitable for claim 1-7
Source, which comprises
It receives and is used to indicate the will start dielectric strength test first instruction information；
The status information of acquisition server power supply；
According to the state information, the folding condition of the switch of the server power supply is determined；
If the switch is closed state, cut-off signal is sent to the control terminal of the switch, and return to execution acquisition server
The step for status information of power supply；
If the switch is off-state, second indication information is fed back, the second indication information is used to indicate the server
The pressure limiting device of power supply has disconnected.
9. a kind of dielectric strength test system, which is characterized in that any server electricity suitable for claim 1-7
Source, the system comprises:
Receiving unit is used to indicate the will start dielectric strength test first instruction information for receiving；
Acquisition unit, the status information for acquisition server power supply；
Determination unit, for according to the state information, the folding condition of the switch of the server power supply being determined, if described open
Closing is closed state, executes transmission unit, if the switch is off-state, executes feedback unit；
Transmission unit for sending cut-off signal to the control terminal of the switch, and returns and executes the acquisition unit；
Feedback unit, for feeding back second indication information, the second indication information is used to indicate the limit of the server power supply
Pressure device has disconnected.
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| CN201910677010.1A CN110515013A (en) | 2019-07-25 | 2019-07-25 | A kind of dielectric strength test method, system and server power supply |
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| CN201910677010.1A CN110515013A (en) | 2019-07-25 | 2019-07-25 | A kind of dielectric strength test method, system and server power supply |
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Application publication date: 20191129 |