CN109870607A - A kind of output power supervisory circuit of load transducer, method and device - Google Patents
A kind of output power supervisory circuit of load transducer, method and device Download PDFInfo
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Abstract
The invention discloses a kind of output power supervisory circuit of load transducer, method, apparatus and computer readable storage mediums, this method comprises: load transducer, current detecting unit and processor；Wherein, the input terminal of load transducer is connect with power output end, and the output end of load transducer is connected by current detecting unit and load；The output end of current detecting unit is connect with processor, for detecting the corresponding current detection signal of output electric current of load transducer and being output to processor, so that processor utilizes the real output of current detection signal computational load converter；Processor can use the current detection signal of current detecting unit output in the present invention, the actual output power of computational load converter, realize the automatic monitoring to the actual output power of load transducer, the damage for avoiding error and circuit board caused by measuring manually, to further avoid danger and increased costs caused by the overload and surdimensionnement situation of load transducer.
Description
Technical field
The present invention relates to field of computer technology, in particular to a kind of output power supervisory circuit of load transducer, side
Method, device and computer readable storage medium.
Background technique
In existing server master board POL (point of load loads point) design, at design motherboard circuit initial stage, if
Meter person is the specification opened for client, it is known that each device is such as on mainboard: each main IC of CPU, memory body, hard disk, fan can disappear
After the power file of consumption, distribution is done, is suitble in design and each device (load) can be provided need to consume the negative of power
Idling parallel operation (POL converter).
However, often estimate that load transducer is the power that load provides by designer in the prior art, it can not be accurate
Know the actual output power of each load transducer is how many in ground, it may appear that select the mistake of the load transducer of excessive wattage
Design conditions are spent, the waste of cost and resource is caused.
Therefore, how the actual output power of load transducer is fast and accurately detected, to avoid load transfer
Danger and increased costs caused by the overload and surdimensionnement situation of device, and avoid error and circuit caused by measuring manually
The damage of plate is urgent problem now.
Summary of the invention
The object of the present invention is to provide a kind of output power supervisory circuit of load transducer, method, apparatus and computers
Readable storage medium storing program for executing avoids error caused by measuring manually fast and accurately to detect the actual output power of load transducer
And the damage of circuit board.
In order to solve the above technical problems, the present invention provides a kind of output power supervisory circuit of load transducer, comprising: negative
Idling parallel operation, current detecting unit and processor；
Wherein, the input terminal of the load transducer is connect with power output end, and the output end of the load transducer is logical
It crosses the current detecting unit and load connects；The output end of the current detecting unit is connect with processor, for detecting
It states the corresponding current detection signal of output electric current of load transducer and is output to the processor, so that the processor utilizes
The current detection signal calculates the real output of the load transducer.
Optionally, the current detecting unit, comprising:
Hall sensor for the output electric current of the load transducer to be converted to voltage signal, and is output to described
Processor；
Wherein, the current detection signal is the voltage signal, the first end of the Hall sensor and the load
The output end of converter connects, and the second end of the Hall sensor and the load connect, the output of the Hall sensor
End is connected to the processor.
Optionally, the current detecting unit, further includes:
Analog/digital conversion equipment for the voltage signal to be converted to digital signal, and is output to the processor；
Wherein, the current detection signal is the digital signal, the output end of the Hall sensor by the mould/
Analog/digital converter is connected to the processor.
The present invention also provides a kind of output power monitoring methods of load transducer, are applied to as described in any of the above-described
Load transducer output power supervisory circuit, comprising:
Current detection signal based on the received determines the output electric current of corresponding load transducer；
According to the rated output voltage of the output electric current and the load transducer, the reality of the load transducer is calculated
Border output power.
Optionally, after the real output for calculating the load transducer, further includes:
Judge whether the real output is respectively less than first threshold within a preset period of time；
If so, output surdimensionnement prompt information.
Optionally, after the real output for calculating the load transducer, further includes:
Judge whether the real output is greater than second threshold；
If so, output overloading warning message.
The present invention also provides a kind of output power monitoring devices of load transducer, are applied to as described in any of the above-described
Load transducer output power supervisory circuit, comprising:
Determining module determines the output electric current of corresponding load transducer for current detection signal based on the received；
Computing module, for the rated output voltage according to the output electric current and the load transducer, described in calculating
The real output of load transducer.
Optionally, the device further include:
First judgment module, for judging whether the real output is respectively less than the first threshold within a preset period of time
Value；
Cue module, if exporting surdimensionnement for being respectively less than the first threshold in the preset time period and mentioning
Show information.
Optionally, the device further include:
Second judgment module, for judging whether the real output is greater than second threshold；
Alarm module, for if more than the second threshold, then output overloading warning message.
In addition, being deposited on the computer readable storage medium the present invention also provides a kind of computer readable storage medium
Computer program is contained, the computer program realizes load transducer as described in any one of the above embodiments when being executed by processor
The step of output power monitoring method.
The output power supervisory circuit of a kind of load transducer provided by the present invention, comprising: load transducer, electric current inspection
Survey unit and processor；Wherein, the input terminal of load transducer is connect with power output end, and the output end of load transducer passes through
Current detecting unit and load connect；The output end of current detecting unit is connect with processor, for detecting load transducer
The corresponding current detection signal of output electric current is simultaneously output to processor, so that processor is turned using current detection signal computational load
The real output of parallel operation；
As it can be seen that processor can use the current detection signal of current detecting unit output in the present invention, determine that load turns
The output electric current of parallel operation, and the actual output power of computational load converter are realized to the actual output power of load transducer
Automatic monitoring, avoid manually measure caused by error and circuit board damage, so as to further avoid load turn
Danger and increased costs caused by the overload and surdimensionnement situation of parallel operation.In addition, the present invention also provides a kind of load transfers
Output power monitoring method, device and the computer readable storage medium of device equally have above-mentioned beneficial effect.
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 the output power supervisory circuit of load transducer provided by the embodiment of the present invention；
Fig. 2 is that the load in the output power supervisory circuit of another kind load transducer provided by the embodiment of the present invention turns
The attachment structure schematic diagram of parallel operation and current detecting unit；
Fig. 3 is a kind of flow chart of the output power monitoring method of load transducer provided by the embodiment of the present invention；
Fig. 4 is a kind of structural block diagram of the output power monitoring device of load transducer provided by the embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Referring to FIG. 1, Fig. 1 is a kind of output power supervisory circuit of load transducer provided by the embodiment of the present invention
Structural block diagram.The circuit may include: load transducer 10, current detecting unit 20 and processor 30；
Wherein, the input terminal of load transducer 10 is connect with power output end, and the output end of load transducer 10 passes through electricity
It flows detection unit 20 and load connects；The output end of current detecting unit 20 is connect with processor 30, for detecting load transfer
The corresponding current detection signal of output electric current of device 10 is simultaneously output to processor 30, so that processor 30 utilizes current detection signal
The real output of computational load converter 10.
It is understood that the purpose of the present embodiment can be to utilize the electricity being arranged between load transducer 10 and load
Detection unit 20 is flowed, the corresponding current detection signal of output electric current of load transducer 10 is detected, so that processor 30 can root
According to the current detection signal that current detecting unit 20 exports, the actual output electric current of load transducer 10 is determined, and calculate output
Power (real output).
Specifically, the load transducer 10 in the present embodiment can be the confession for exporting the power output end of power supply unit
The equipment that piezoelectric voltage is converted to supply voltage needed for load, such as direct current transducer (DC/DC converter).
It is corresponding, the specific structure of current detecting unit 20 in this present embodiment is arranged, it can be by designer's root
Scene and user demand self-setting are factually used, is such as directly realized using the current sensor such as Hall sensor to load transfer
When the acquisition of the corresponding current detection signal of output electric current of device 10, current detecting unit 20 may include Hall sensor, use
In the output electric current of load transducer 10 is converted to voltage signal, and it is output to processor 30；Wherein, current detection signal is
The first end of voltage signal, Hall sensor is connect with the output end of load transducer 10, the second end of Hall sensor and negative
Connection is carried, the output end of Hall sensor is connect with processor 30；That is, to can use Hall sensor defeated for processor 30
Voltage signal (current detection signal) out, determines the output electric current of load transducer 10.As current detecting unit 20 utilizes electricity
When stream detection amplifier realizes the acquisition of the corresponding current detection signal of output electric current to load transducer 10, current detecting list
Member 20 may include detecting resistance and current sense amplifier；Wherein, the defeated of the first end of resistance and load transducer 10 is detected
Outlet connects its common end and the first input end of current sense amplifier connects, and the second end and load for detecting resistance connect it
The connection of second input terminal of common end and current sense amplifier, the output end of current sense amplifier are connect with processor 30.
That is, processor 30 can use the voltage signal (current detection signal) of the output end output of current sense amplifier,
Determine the output electric current of load transducer 10.As long as current detecting unit 20 can be corresponding by the output electric current of load transducer 10
Current detection signal be sent to processor 30, the present embodiment does not do any restrictions to this.
Specifically, above-mentioned is the voltage signal for directly receiving current detecting unit 20 with the processor 30 of such as single-chip microcontroller and exporting
The displaying carried out for (current detection signal), if processor 30 receives digital signal, as shown in Fig. 2, current detecting unit 20
It can also include A/D converter (ADC) that the voltage signal for exporting Hall sensor (current sensor) is converted
For digital signal, and it is output to processor 30；Wherein, current detection signal is digital signal, and the output end of Hall sensor is logical
Analog/digital conversion equipment is crossed to connect with processor 30.That is, electric current is by leading using Hall Effect Hall effect principle
Magnetic field can be generated when body, convert changing magnetic field to the variation of output voltage, load transducer 10 (POL converter)
Output end can generate electric current, can generate the magnetic field with curent change by conductor, then believe electric current through Hall sensor
Voltage signal number is converted to, then this voltage signal is sent to A/D converter and is converted to digital signal, processor 30 utilizes
The digital signal (current detection signal) of A/D converter conversion can the quick and convenient output for monitoring computational load converter 10
Electric current and output power.The present embodiment does not do any restrictions to this.
It should be noted that the present embodiment is monitored with output power of the processor 30 to a load transducer 10
The displaying carried out for calculating is monitored calculating to the output power of multiple load transducers 10 simultaneously for processor 30
Situation can be configured using mode similar with output power supervisory circuit provided by the present embodiment is corresponding, such as can be with
The load transducer 10 and current detecting unit of corresponding number are added in the output power supervisory circuit provided by the present embodiment
20, i.e., each load transducer 10 is connected by a corresponding current detecting unit 20 and corresponding load,
The output end of each current detecting unit 20 is connect with processor 30, so that processor 30 can use each current detecting list
The current detection signal of 20 output of member, calculates the output electric current for the load transducer 10 that each current detecting unit 20 respectively connects
And output power.The present embodiment does not do any restrictions to this.
Specifically, to the current detection signal that processor 30 in this present embodiment is exported using current detecting unit 20, meter
The concrete mode for calculating the real output of load transducer 10, can be by designer's self-setting, such as can be first with electricity
Stream detection signal determines the actual output electric current of load transducer 10, recycles the actual output electric current of load transducer 10 and bears
The rated output voltage of idling parallel operation 10, the real output of computational load converter 10.The present embodiment does not do this any
Limitation.
In the present embodiment, processor 30 can use the current detection signal of the output of current detecting unit 20, determine load
The output electric current of converter 10, and the actual output power of computational load converter 10 are realized actual to load transducer 10
The automatic monitoring of output power avoids the damage of error and circuit board caused by measuring manually, so as to further keep away
Exempt from danger and increased costs caused by the overload and surdimensionnement situation of load transducer 10.
Referring to FIG. 3, Fig. 3 is a kind of output power monitoring method of load transducer provided by the embodiment of the present invention
Flow chart.This method can be applied to the output power supervisory circuit of load transducer provided by above-described embodiment, comprising:
Step 101: current detection signal based on the received determines the output electric current of corresponding load transducer.
It is understood that the purpose of this step can be the output power of load transducer provided by above-described embodiment
The processor current detection signal that current detecting unit exports based on the received in observation circuit, determines current detecting unit institute
The actual output electric current of the load transducer of connection.
Specifically, using received current detection signal, (such as voltage signal or number are believed for processor in this step
Number), determine the concrete mode of the output electric current of corresponding load transducer, it can be by designer according to practical scene and user
Demand self-setting such as can realize that the present embodiment does not do any limit to this using same as the prior art or similar mode
System.
Step 102: according to the rated output voltage of output electric current and load transducer, the reality of computational load converter is defeated
Power out.
It is understood that the purpose of this step can utilize the actual output electric current of load transducer and volume for processor
Determine output voltage, the load of the actual output power of computational load converter (real output), i.e. load transducer connection
Actual power loss.That is, processor can be by the rated output voltage and load transfer of pre-stored load transducer
The actual output electric current of device is multiplied, and obtains the real output of load transducer.
Specifically, the present embodiment is to be monitored to be calculated as with real output of the processor to a load transducer
Example carry out displaying, for processor simultaneously calculating is monitored to the real output of multiple load transducers the case where,
Can using being realized with the same or similar mode of method provided by the present embodiment, as processor can use it is pre-stored
The rated output voltage of each load transducer is multiplied with the respective actual output electric current determined, obtains each load transducer
Real output.The present embodiment does not do any restrictions to this.
It should be noted that in order to avoid load transducer surdimensionnement the case where, method provided by this implementation is also
It may include: to judge whether real output is respectively less than first threshold within a preset period of time；If so, output surdimensionnement
The step of prompt information.That is, by judging whether the real output of load transducer is held within a preset period of time
It is continuous to be less than first threshold, determine whether the specification of the load transducer is excessive, thus in the specification mistake for determining the load transducer
In the case where big, by output surdimensionnement prompt information, prompt the designer of motherboard circuit that can replace the load transducer,
Avoid increased costs and the wasting of resources caused by surdimensionnement.
Corresponding, for the specific value of above-mentioned preset time period and first threshold setting, can by designer or
User's self-setting, as first threshold can be corresponding less than rated output power for the specification of pre-stored load transducer
Numerical value.As long as can be the case where the real output of load transducer be respectively less than first threshold within a preset period of time
Under, determine that the specification of the load transducer is excessive, the present embodiment does not do any restrictions to this.
Specifically, the particular content of the surdimensionnement prompt information for the output of above-mentioned processor, it can be by designer
Self-setting such as may include the position that real output is respectively less than the load transducer of first threshold within a preset period of time
Information (as numbered)；It can also include load transducer replacement information (specification of such as replaceable load transducer), such as handle
Device can be by the negative of the maximum value of the real output of load transducer in preset time period and pre-set different size
The corresponding power bracket of idling parallel operation is matched, the information (load transfer for the replaceable load transducer that matching is obtained
Device replaces information) and the location information of load transducer that needs replacing exported jointly to the designer of motherboard circuit, to facilitate
Replacement of the motherboard circuit to load transducer.
Further, in order to avoid load transducer output overloading the case where, the provided method of this implementation can also wrap
It includes: judging whether real output is greater than second threshold；If so, the step of output overloading warning message.It is negative by judging
Whether the real output of idling parallel operation is greater than second threshold, determine the load transducer real output whether mistake
It carries, that is, determines whether the consumption power of the load of load transducer connection overloads, thus in the reality for determining the load transducer
In the case that border output power overloads, by output overloading warning message, prompt user that overload situations occur.
Specifically, the specific value for above-mentioned second threshold is arranged, it can be by designer according to practical scene and use
Family demand self-setting, such as can be set to the rated output power of load transducer itself, as long as can be in load transducer
Real output be greater than second threshold when, determine the load transducer real output overload, the present embodiment is to this
Do not do any restrictions.
In the present embodiment, the embodiment of the present invention passes through the rated output voltage according to output electric current and load transducer, meter
The real output for calculating load transducer, can use the actual output electric current of load transducer and rated output voltage calculates
The real output of load transducer realizes the automatic monitoring to the actual output power of load transducer, avoids hand
The damage of error and circuit board caused by momentum is surveyed, so as to further avoid the overload and surdimensionnement of load transducer
Danger and increased costs caused by situation.
Referring to FIG. 4, Fig. 4 is a kind of output power monitoring device of load transducer provided by the embodiment of the present invention
Structural block diagram.The device can be applied to the output power supervisory circuit of load transducer provided by above-described embodiment, comprising:
Determining module 100 determines the output electricity of corresponding load transducer for current detection signal based on the received
Stream；
Computing module 200, for the rated output voltage according to output electric current and load transducer, computational load converter
Real output.
Optionally, which can also include:
First judgment module, for judging whether real output is respectively less than first threshold within a preset period of time；
Cue module, if exporting surdimensionnement prompt information for being respectively less than first threshold within a preset period of time.
Optionally, which can also include:
Second judgment module, for judging whether real output is greater than second threshold；
Alarm module, for if more than second threshold, then output overloading warning message.
In the present embodiment, the embodiment of the present invention by computing module 200 according to output electric current and load transducer it is specified
Output voltage, the real output of computational load converter can use the actual output electric current of load transducer and specified
The real output of output voltage computational load converter realizes the automatic prison to the actual output power of load transducer
It surveys, the damage of error and circuit board caused by measuring manually is avoided, so as to further avoid the mistake of load transducer
It carries and danger and increased costs caused by surdimensionnement situation.
In addition, have computer program thereon the embodiment of the invention also provides a kind of computer readable storage medium, it should
Computer program is performed the step that the output power monitoring method of load transducer provided by above-described embodiment may be implemented
Suddenly.The storage medium may include: USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), arbitrary access
The various media that can store program code such as memory (Random Access Memory, RAM), magnetic or disk.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment and
For computer readable storage medium, since it is corresponded to the methods disclosed in the examples, so be described relatively simple, it is related
Place is referring to method part illustration.
Above to a kind of output power supervisory circuit of load transducer provided by the present invention, method, apparatus and calculating
Machine readable storage medium storing program for executing is described in detail.Specific case used herein carries out the principle of the present invention and embodiment
It illustrates, the above description of the embodiment is only used to help understand the method for the present invention and its core ideas.It should be pointed out that for
For those skilled in the art, without departing from the principle of the present invention, if can also be carried out to the present invention
Dry improvement and modification, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Claims (10)
1. a kind of output power supervisory circuit of load transducer characterized by comprising load transducer, current detecting list
Member and processor；
Wherein, the input terminal of the load transducer is connect with power output end, and the output end of the load transducer passes through institute
It states current detecting unit and load connects；The output end of the current detecting unit is connect with processor, described negative for detecting
The corresponding current detection signal of output electric current of idling parallel operation is simultaneously output to the processor, so that described in processor utilization
Current detection signal calculates the real output of the load transducer.
2. the output power supervisory circuit of load transducer according to claim 1, which is characterized in that the current detecting
Unit, comprising:
Hall sensor for the output electric current of the load transducer to be converted to voltage signal, and is output to the processing
Device；
Wherein, the current detection signal is the voltage signal, the first end of the Hall sensor and the load transfer
The output end of device connects, and the second end of the Hall sensor and the load connect, the output end of the Hall sensor and
The processor connection.
3. the output power supervisory circuit of load transducer according to claim 2, which is characterized in that the current detecting
Unit, further includes:
Analog/digital conversion equipment for the voltage signal to be converted to digital signal, and is output to the processor；
Wherein, the current detection signal is the digital signal, and the output end of the Hall sensor is turned by the analog/digital
Exchange device is connected to the processor.
4. a kind of output power monitoring method of load transducer, which is characterized in that be applied to such as any one of claims 1 to 3
The output power supervisory circuit of the load transducer, comprising:
Current detection signal based on the received determines the output electric current of corresponding load transducer；
According to the rated output voltage of the output electric current and the load transducer, the reality for calculating the load transducer is defeated
Power out.
5. the output power monitoring method of load transducer according to claim 4, which is characterized in that described in the calculating
After the real output of load transducer, further includes:
Judge whether the real output is respectively less than first threshold within a preset period of time；
If so, output surdimensionnement prompt information.
6. the output power monitoring method of load transducer according to claim 4, which is characterized in that described in the calculating
After the real output of load transducer, further includes:
Judge whether the real output is greater than second threshold；
If so, output overloading warning message.
7. a kind of output power monitoring device of load transducer, which is characterized in that be applied to such as any one of claims 1 to 3
The output power supervisory circuit of the load transducer, comprising:
Determining module determines the output electric current of corresponding load transducer for current detection signal based on the received；
Computing module calculates the load for the rated output voltage according to the output electric current and the load transducer
The real output of converter.
8. the output power monitoring device of load transducer according to claim 7, which is characterized in that further include:
First judgment module, for judging whether the real output is respectively less than first threshold within a preset period of time；
Cue module, if exporting surdimensionnement prompt letter for being respectively less than the first threshold in the preset time period
Breath.
9. the output power monitoring device of load transducer according to claim 8, which is characterized in that further include:
Second judgment module, for judging whether the real output is greater than second threshold；
Alarm module, for if more than the second threshold, then output overloading warning message.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the defeated of such as described in any item load transducers of claim 4 to 6 when the computer program is executed by processor
The step of power monitor method out.
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| CN201910150478.5A CN109870607A (en) | 2019-02-28 | 2019-02-28 | A kind of output power supervisory circuit of load transducer, method and device |
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| CN201910150478.5A CN109870607A (en) | 2019-02-28 | 2019-02-28 | A kind of output power supervisory circuit of load transducer, method and device |
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| CN114251165A (en) * | 2021-12-08 | 2022-03-29 | 潍柴动力股份有限公司 | Pressure pipe power detection method and device, storage medium and vehicle |
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