CN206557359U - A kind of alarm device of analog power chip - Google Patents
A kind of alarm device of analog power chip Download PDFInfo
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- CN206557359U CN206557359U CN201720238904.7U CN201720238904U CN206557359U CN 206557359 U CN206557359 U CN 206557359U CN 201720238904 U CN201720238904 U CN 201720238904U CN 206557359 U CN206557359 U CN 206557359U
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Abstract
The utility model discloses a kind of alarm device of analog power chip, including electric current alarm structure, voltage alarm structure, the electric current alarm structure is alarmed when electric current exceeds running current；Voltage alarm structure is alarmed when voltage exceeds normal working voltage.A kind of alarm device of analog power chip is compared with prior art, detected using the alarm of chip internal, increase functional module carrys out misregistration state, external alarm device is directly driven, particularly plays a part of alarm during the power supply test of board, to facilitate the rapid orientation problem of Power Engineer, reach the purpose of lifting operating efficiency, it is practical, it is easy to accomplish, it is easy to promote.
Description
Technical field
The utility model is related to computer server technical field, specifically a kind of practical, analog power core
The alarm device of piece.
Background technology
In the motherboard power supply design of current server, the main flow control mode of POL power supply still simulates control, relatively
For digital control, the mode cost of simulation is lower, implements simply, but then without numeral electricity in the design of alarm
Source is flexible.At present in calibration tape PMbus digital power chip, most way is the work provided by chip supplier
Tool so that PMbus is connected to PC main frames through transitions into USB, then is read by the user interface of PC main frames in power supply chip
The real time data in portion, such as electric current, voltage, the message such as temperature.Some power supply chips check mistake, can be by PMbus Alert
Signal is set to low level alarm signal by high level, facilitates engineer timely to pinpoint the problems a little.If analog power
When making a mistake, the protection that power supply chip also can be voluntarily, but be specifically what problem, also want engineer to carry out substantial amounts of attempt
The work of reproduction problem, can just find problem points.
With the development of server industries, the research and development time is increasingly compressed, for the requirement of the efficiency of power supply test
More and more higher, so this motion proposes a kind of alarm device of analog power chip, increases intuitively in analog power chip
Alarm, such as LED plays prompt alarm, the design method where rapid orientation problem.
The content of the invention
Technical assignment of the present utility model is that there is provided a kind of practical, analog power chip for above weak point
Alarm device.
A kind of alarm device of analog power chip, including electric current alarm structure, voltage alarm structure, the electric current alarm
Structure is alarmed when electric current exceeds running current, and the electric current alarm structure includes current detecting module, control module
With electric current alarm module, current detecting module detecting current situation simultaneously communicates to connect control module, control module connection electric current report
Alert module simultaneously controls its alert；Voltage alarm structure is alarmed when voltage exceeds normal working voltage, the electricity
Alarm structure is pressed to include voltage comparison module, control module and voltage alarm module, voltage comparison module compares current situation simultaneously
Control module is communicated to connect, control module connection voltage alarm module simultaneously controls its alert, the electric current alarm knot
The control module in control module and voltage alarm structure in structure is same module.
Voltage comparison module in the voltage alarm structure includes comparator, the upper MOS of input connection of the comparator
The D poles of pipe and voltage input end, output end then link control module, the G poles link control module of the upper metal-oxide-semiconductor, the connection of S poles
Above-mentioned electric current alarm structure.
The voltage alarm module is serially connected and formed by trigger one, malfunction indicator lamp one and triode one, and triggering
The input of device one connects above-mentioned control module, the input of output end connecting fault indicator lamp one, the malfunction indicator lamp one
The b poles of output end connecting triode one.
Current detecting module in the electric current alarm structure includes amplifier, test resistance, the amplifier it is same mutually defeated
Enter the S poles that end, the input of test resistance are all connected with lower metal-oxide-semiconductor, the inverting input of amplifier, the output end of test resistance are equal
Ground connection；The output end link control module of amplifier；The G poles link control module of above-mentioned lower metal-oxide-semiconductor, D poles connection voltage alarm
Structure.
The electric current alarm module is mutually in series by trigger two, malfunction indicator lamp two and triode two, and triggering
The input of device two connects above-mentioned control module, the input of output end connecting fault indicator lamp two, the malfunction indicator lamp two
The b poles of output end connecting triode two.
The alarm device of a kind of analog power chip of the present utility model, with advantages below：
A kind of alarm device of analog power chip of the utility model, is detected using the alarm of chip internal, increases work(
Energy module carrys out misregistration state, directly drives external alarm device, announcement is particularly played during the power supply test of board
Alert effect, to facilitate the rapid orientation problem of Power Engineer, reaches the purpose of lifting operating efficiency, practical, it is easy to
Realize, it is easy to promote.
Brief description of the drawings
For clearer explanation the utility model embodiment or the technical scheme of prior art, below will to embodiment or
The accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
Some embodiments of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Accompanying drawing 1 is structural representation of the present utility model.
Mark in accompanying drawing is represented respectively：
1st, amplifier, 2, test resistance, 3, lower metal-oxide-semiconductor, 4, upper metal-oxide-semiconductor, 5, comparator, 6, trigger one, 7, failure refer to
Show lamp one, 8, triode one, 9, triode two, 10, malfunction indicator lamp two, 11, trigger two, 12, control module.
Embodiment
In order that those skilled in the art more fully understand the utility model scheme, below in conjunction with the accompanying drawings and specific implementation
The utility model is described in further detail for mode.Obviously, described embodiment is only the utility model part
Embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, belong to the scope of the utility model protection.
As shown in Figure 1, a kind of alarm device of analog power chip, including electric current alarm structure, voltage alarm structure,
The electric current alarm structure is alarmed when electric current exceeds running current, and the electric current alarm structure includes current sense mould
Block, control module 12 and electric current alarm module, current detecting module detecting current situation simultaneously communicate to connect control module 12, control
Module 12 connects electric current alarm module and controls its alert；Voltage alarm structure exceeds normal working voltage in voltage
Shi Jinhang alarms, and the voltage alarm structure includes voltage comparison module, control module 12 and voltage alarm module, and voltage ratio is compared with mould
Block compares current situation and communicates to connect control module 12, and the connection voltage alarm module of control module 12 simultaneously controls it to send alarm
The control module 12 in control module 12 and voltage alarm structure in information, the electric current alarm structure is same module.
Voltage comparison module in the voltage alarm structure is included in comparator 5, the input connection of the comparator 5
The D poles of metal-oxide-semiconductor 4 and voltage input end, output end then link control module 12, the G poles link control module of the upper metal-oxide-semiconductor 4
12nd, S poles connect above-mentioned electric current alarm structure.
The voltage alarm module is serially connected and formed by trigger 1, malfunction indicator lamp 1 and triode 1, and is touched
The input for sending out device 1 connects above-mentioned control module 12, the input of output end connecting fault indicator lamp 1, the indicating fault
The b poles of the output end connecting triode 1 of lamp 1.
Current detecting module in the electric current alarm structure includes amplifier 1, test resistance 2, the same phase of the amplifier 1
Input, the input of test resistance 2 are all connected with the S poles of lower metal-oxide-semiconductor 3, the inverting input of amplifier 1, test resistance 2 it is defeated
Go out end to be grounded；The output end link control module 12 of amplifier 1；The G poles link control module 12 of above-mentioned lower metal-oxide-semiconductor 3, D poles
Connect voltage alarm structure.
The electric current alarm module is serially connected and formed by trigger 2 11, malfunction indicator lamp 2 10 and triode 29, and
The input of trigger 2 11 connects above-mentioned control module 12, the input of output end connecting fault indicator lamp 2 10, the failure
The b poles of the output end connecting triode 29 of indicator lamp 2 10.
The utility model can record error condition；Alarm prompt；Quick and precisely orientation problem point.
The control module 12 can use common single-chip microcomputer, control chip, will not be repeated here.
The utility model analog power chip internal increases state latch control function module, trigger 1 and trigger
2 11, for alarm status storage.
Analog power chip periphery circuit is designed, and external LED is lighted by fault1/fault2, here
Fault1/fault2 refers to malfunction indicator lamp 1, malfunction indicator lamp 2 10, to be alerted.
Amplifier 1 is by detecting pressure drop of the electric current on outputting inductance in precision resistance, i.e. test resistance 2, to judge
Whether output current has the situation of excessively stream, and when the output overcurrent moment, the voltage signal detected can be fed back to control by amplifier 1
Module 12, control module 12 detects excessively stream, can send a rising edge and be given to trigger 2 11, trigger 2 11 produces high electricity
It is flat, and the triode 29 that outside is driven by malfunction indicator lamp 2 10 is latched, turn on the malfunction indicator lamp 2 10.Complete to accuse
It is alert.Alarm status only after analog chip again reset, is just eliminated.
Comparator 5 is, by input voltage, to be compared with the reference voltage Vref of chip internal, when input voltage is higher than ginseng
When examining voltage, output high level is notified control module 12 by comparator 5, and control module 12 detects input voltage mistake
Height, can send a rising edge and be given to trigger 1, trigger 1 produces high level, and latches by malfunction indicator lamp 1
To drive the triode 1 of outside, conducting failure indicator lamp 1.Complete alarm.Alarm status only in analog chip again
After reset, just it is eliminated.
Engineer can lighting or extinguishing and judge the working condition of chip according to LED, where quick positioning question.
A kind of alarm device of analog power chip provided by the utility model is described in detail above.Herein
In apply specific case principle of the present utility model and embodiment be set forth, the explanation of above example is to use
Understand method of the present utility model and its core concept in help.It should be pointed out that for those skilled in the art
For, on the premise of the utility model principle is not departed from, some improvement and modification can also be carried out to the utility model, these
Improve and modification is also fallen into the utility model scope of the claims.
Claims (5)
1. a kind of alarm device of analog power chip, it is characterised in that including electric current alarm structure, voltage alarm structure, institute
State electric current alarm structure to be alarmed when electric current exceeds running current, the electric current alarm structure includes current sense mould
Block, control module and electric current alarm module, current detecting module detecting current situation simultaneously communicate to connect control module, control module
Connection electric current alarm module simultaneously controls its alert；Voltage alarm structure is carried out when voltage exceeds normal working voltage
Alarm, the voltage alarm structure includes voltage comparison module, control module and voltage alarm module, and voltage comparison module is more electric
Stream situation simultaneously communicates to connect control module, and control module connection voltage alarm module simultaneously controls its alert, the electricity
It is same module to flow the control module in alarm structure and the control module in voltage alarm structure.
2. a kind of alarm device of analog power chip according to claim 1, it is characterised in that the voltage alarm knot
Voltage comparison module in structure includes comparator, the D poles of the upper metal-oxide-semiconductor of input connection of the comparator and voltage input end, defeated
Go out end then link control module, the G poles link control module of the upper metal-oxide-semiconductor, S poles connect above-mentioned electric current alarm structure.
3. a kind of alarm device of analog power chip according to claim 2, it is characterised in that the voltage alarm mould
Block is serially connected and formed by trigger one, malfunction indicator lamp one and triode one, and the input of trigger one connects above-mentioned control
The input of molding block, output end connecting fault indicator lamp one, the b of the output end connecting triode one of the malfunction indicator lamp one
Pole.
4. a kind of alarm device of analog power chip according to claim 1, it is characterised in that the electric current alarm knot
Current detecting module in structure includes amplifier, test resistance, and the in-phase input end of the amplifier, the input of test resistance are equal
The S poles of the lower metal-oxide-semiconductor of connection, the inverting input of amplifier, the output end of test resistance are grounded；The output end connection of amplifier
Control module；The G poles link control module of above-mentioned lower metal-oxide-semiconductor, D poles connection voltage alarm structure.
5. a kind of alarm device of analog power chip according to claim 4, it is characterised in that the electric current alarm mould
Block is mutually in series by trigger two, malfunction indicator lamp two and triode two, and the input of trigger two connects above-mentioned control
The input of molding block, output end connecting fault indicator lamp two, the b of the output end connecting triode two of the malfunction indicator lamp two
Pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720238904.7U CN206557359U (en) | 2017-03-13 | 2017-03-13 | A kind of alarm device of analog power chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720238904.7U CN206557359U (en) | 2017-03-13 | 2017-03-13 | A kind of alarm device of analog power chip |
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| Publication Number | Publication Date |
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| CN206557359U true CN206557359U (en) | 2017-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720238904.7U Active CN206557359U (en) | 2017-03-13 | 2017-03-13 | A kind of alarm device of analog power chip |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256744A (en) * | 2018-11-01 | 2019-01-22 | 北京四方继保自动化股份有限公司 | A kind of protective relaying device high reliability analogue quantity acquiring method |
-
2017
- 2017-03-13 CN CN201720238904.7U patent/CN206557359U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256744A (en) * | 2018-11-01 | 2019-01-22 | 北京四方继保自动化股份有限公司 | A kind of protective relaying device high reliability analogue quantity acquiring method |
| CN109256744B (en) * | 2018-11-01 | 2020-09-01 | 北京四方继保自动化股份有限公司 | High-reliability analog quantity acquisition method for relay protection device |
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