CN204790844U - Power supply hot plug circuit for CPCI mainboard input end - Google Patents
Power supply hot plug circuit for CPCI mainboard input end Download PDFInfo
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- CN204790844U CN204790844U CN201520542142.0U CN201520542142U CN204790844U CN 204790844 U CN204790844 U CN 204790844U CN 201520542142 U CN201520542142 U CN 201520542142U CN 204790844 U CN204790844 U CN 204790844U
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- 102100029368 Cytochrome P450 2C18 Human genes 0.000 title claims abstract description 48
- 101000919360 Homo sapiens Cytochrome P450 2C18 Proteins 0.000 title claims abstract description 48
- 238000001514 detection method Methods 0.000 claims description 13
- 230000005611 electricity Effects 0.000 abstract description 2
- 230000009194 climbing Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model discloses a power hot plug circuit for CPCI mainboard input belongs to the electricity field. The structure of the power supply device comprises a control chip, a CPCI connector, a starting control end, a switch control circuit, a switch and a power supply end of a mainboard, wherein the control chip is respectively connected with the CPCI connector, the starting control end and the switch control circuit, the switch control circuit is also connected with the switch, and the switch is also connected with the power supply end of the mainboard. The utility model has the advantages that: the external control signal can realize the opening or the control of the switch through the control chip, and meanwhile, the switch control circuit can set the climbing speed of the voltage, so that the input power supply can gradually climb to an input value, and the switch control circuit can be used at the power supply inlet of a standard CPCI mainboard to realize the hot plugging performance of the power supply of the CPCI mainboard.
Description
Technical field
The utility model relates to electricity field, particularly a kind of hot-swappable circuit of power supply for CPCI mainboard input end.
Background technology
Along with the birth of high-performance in 1994, opened industrial computer standard " CPCI (full name CompactPCI) standard ", CPCI mother board technologies obtains and develops rapidly.CPCI has can hot-swappable, the high feature such as open, highly reliable, and extendability by force, can meet universalization, seriation, modular requirement, meanwhile, and can be completely compatible with traditional desktop pci system.Compared with traditional desktop pci system, cpci bus has extremely strong shock resistance and air permeability, is convenient to be applied in the equipment of reinforcing.But it is the most outstanding, the attractive feature of most possesses to realize hot-swappable ability.The hot-swappable Redundancy Design being embodied as CPCI board and fault management design provide and greatly facilitate and space, and this is that traditional desktop pci system cannot realize.Wherein, CPCI mainboard hot-swappable comprises the hot-swappable of the hot-swappable of signal and power supply.Based on CPCI specification, the power supply of CPCI mainboard porch is generally the CPCI standard interface power supply of 12V, 5V, 3.3V, 5VSB, and this has been widely recognized in fields such as telecommunications, industry, military projects.
Existing a lot of chip manufacturer (as: Linear, Maxim etc.) can provide the control chip of the hot-swappable circuit being applied to CPCI motherboard power supply at present, and the realization for the hot-swappable performance of CPCI mainboard provides conveniently.
Summary of the invention
In order to solve the problem of prior art, the utility model embodiment provides a kind of hot-swappable circuit of power supply for CPCI mainboard input end.
Described technical scheme is as follows:
A kind of hot-swappable circuit of power supply for CPCI mainboard input end, comprise the power end of control chip, CPCI connector, unlatching control end, ON-OFF control circuit, switch, mainboard, described control chip is connected with described CPCI connector, described unlatching control end, described ON-OFF control circuit respectively, described ON-OFF control circuit is also connected with described switch, and described switch is also connected with the power end of described mainboard.
Further, also comprise current limit value initialization circuit, current detection circuit, described current limit value initialization circuit is connected with described control chip, and described current detection circuit is connected with described CPCI connector and described switch respectively.
Further, also comprise voltage detecting end, output signal good indication end, described voltage detecting end is connected with the power end of described control chip and described mainboard respectively, and the good indication end of described output signal is connected with described control chip.
Further, described control chip is the control chip of MAX5956 series.
Further, the control chip of described MAX5956 series is that MAXIM company produces.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
External control signal realizes the unlatching of switch or control by control chip, and meanwhile, ON-OFF control circuit can the rate of climb of setting voltage, and input power can be climbed to input value gradually.In addition, current limit value initialization circuit setting size of current, current detection circuit makes immediate current within the moment that mainboard inserts is limited at design load; Voltage detecting end can be monitored the voltage being input to motherboard power supply end, when there being abnormal conditions to occur, reaching instruction mainboard internal electric source break down and the object of supervisory circuit by outputing signal good indication end.The utility model can be used for the power import place of standard C PCI mainboard, realizes the hot-swappable performance of power supply of CPCI mainboard.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Embodiment one
As shown in Figure 1, a kind of hot-swappable circuit of power supply for CPCI mainboard input end, comprise the power end of control chip, CPCI connector, unlatching control end, ON-OFF control circuit, switch, mainboard, described control chip is connected with described CPCI connector, described unlatching control end, described ON-OFF control circuit respectively, described ON-OFF control circuit is also connected with described switch, and described switch is also connected with the power end of described mainboard.
Preferably, also comprise current limit value initialization circuit, current detection circuit, described current limit value initialization circuit is connected with described control chip, and described current detection circuit is connected with described CPCI connector and described switch respectively.
Preferably, also comprise voltage detecting end, output signal good indication end, described voltage detecting end is connected with the power end of described control chip and described mainboard respectively, and the good indication end of described output signal is connected with described control chip.
Preferably, described control chip is the control chip of MAX5956 series.
Preferably, the control chip of described MAX5956 series is that MAXIM company produces.
A kind of hot-swappable circuit of power supply for CPCI mainboard input end, comprise the power end of control chip, CPCI connector, unlatching control end, ON-OFF control circuit, switch, mainboard, described control chip respectively with the output terminal of CPCI connector, open the output terminal of control end, the input end of ON-OFF control circuit is connected, the output terminal of described ON-OFF control circuit is connected with switch, and described switch is also connected with the input end of the power end of mainboard; Described CPCI connector is for inserting board, and described unlatching control end is for connecting the power input of CPCI power connector, and described ON-OFF control circuit is used for the opening speed of configuration switch.
Also comprise current limit value initialization circuit, current detection circuit, the output terminal of described current limit value initialization circuit is connected with described control chip, and the input end of described current detection circuit is connected with the output terminal of CPCI connector, and output terminal is connected with switch; The maximum current that described current limit value initialization circuit setting is initial, described current detection circuit is used for the size detecting the electric current flowing into mainboard in real time.
Also comprise voltage detecting end, output signal good indication end, the input end of described voltage detecting end is connected with the output terminal of the power end of described mainboard, output terminal is connected with described control chip, and the input end of the good indication end of described output signal is connected with described control chip; Described voltage detecting end is used for carrying out real-time monitoring to detection mainboard internal electric source, and the good indication end of described output signal is used to indicate the fault of mainboard internal electric source.
Described control chip is the control chip of MAX5956 series.
The control chip of described MAX5956 series is that MAXIM company produces.
In use, the power input of CPCI power connector is connected with unlatching control end, the power input (5V or 3.3V etc.) of CPCI power connector is at the controller opening control end, switch is opened by ON-OFF control circuit, make power supply normally can enter into the power end of mainboard, for mainboard provides power supply.
Board inserts CPCI connector, the opening speed of ON-OFF control circuit configuration switch, and when making board insert CPCI connector, the voltage being input to board power end climbs designated value gradually, reliablely and stablely for the internal circuit of mainboard is powered.
Current detection circuit can detect the size of the electric current flowing into mainboard in real time, initial maximum current (can accept in scope) is set by current limit value initialization circuit, when board inserts CPCI connector, the immediate current of input is limited within setting value.
Voltage detecting end is used for carrying out real-time monitoring to detection mainboard internal electric source, and when detecting that the voltage of mainboard inside is higher or lower than setting value, outputing signal good indication end can be dragged down, and instruction mainboard internal electric source breaks down.
This hot-swappable circuit has been applied to be reinforced in CPCI mainboard, and test proves the hot-swappable function realizing CPCI mainboard that can be reliable and stable.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. the hot-swappable circuit of power supply for CPCI mainboard input end, it is characterized in that, comprise the power end of control chip, CPCI connector, unlatching control end, ON-OFF control circuit, switch, mainboard, described control chip is connected with described CPCI connector, described unlatching control end, described ON-OFF control circuit respectively, described ON-OFF control circuit is also connected with described switch, and described switch is also connected with the power end of described mainboard.
2. a kind of hot-swappable circuit of power supply for CPCI mainboard input end according to claim 1, it is characterized in that, the hot-swappable circuit of described power supply also comprises current limit value initialization circuit, current detection circuit, described current limit value initialization circuit is connected with described control chip, and described current detection circuit is connected with described CPCI connector and described switch respectively.
3. a kind of hot-swappable circuit of power supply for CPCI mainboard input end according to claim 1, it is characterized in that, the hot-swappable circuit of described power supply also comprises voltage detecting end, outputs signal good indication end, described voltage detecting end is connected with the power end of described control chip and described mainboard respectively, and the good indication end of described output signal is connected with described control chip.
4. a kind of hot-swappable circuit of power supply for CPCI mainboard input end according to claim 1, it is characterized in that, described control chip is the control chip of MAX5956 series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520542142.0U CN204790844U (en) | 2015-07-24 | 2015-07-24 | Power supply hot plug circuit for CPCI mainboard input end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520542142.0U CN204790844U (en) | 2015-07-24 | 2015-07-24 | Power supply hot plug circuit for CPCI mainboard input end |
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| Publication Number | Publication Date |
|---|---|
| CN204790844U true CN204790844U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520542142.0U Active CN204790844U (en) | 2015-07-24 | 2015-07-24 | Power supply hot plug circuit for CPCI mainboard input end |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105930244A (en) * | 2016-04-20 | 2016-09-07 | 浪潮（苏州）金融技术服务有限公司 | Detection device of voltage and current output by electrified serial port of mainboard |
-
2015
- 2015-07-24 CN CN201520542142.0U patent/CN204790844U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105930244A (en) * | 2016-04-20 | 2016-09-07 | 浪潮（苏州）金融技术服务有限公司 | Detection device of voltage and current output by electrified serial port of mainboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230423 Address after: 250000 building S02, No. 1036, Langchao Road, high tech Zone, Jinan City, Shandong Province Patentee after: Shandong Inspur Scientific Research Institute Co.,Ltd. Address before: No. 1036, Shandong high tech Zone wave road, Ji'nan, Shandong Patentee before: INSPUR GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right |