CN117335799A - Power detection system for analog-to-digital converter - Google Patents
Power detection system for analog-to-digital converter Download PDFInfo
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- CN117335799A CN117335799A CN202311249786.6A CN202311249786A CN117335799A CN 117335799 A CN117335799 A CN 117335799A CN 202311249786 A CN202311249786 A CN 202311249786A CN 117335799 A CN117335799 A CN 117335799A
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/10—Calibration or testing
- H03M1/1071—Measuring or testing
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Abstract
The invention discloses a power detection system for an analog-to-digital converter, which comprises a processor, an analog-to-digital converter, a voltage detection channel and a current detection channel, wherein the analog-to-digital converter, the voltage detection channel and the current detection channel are all connected to the processor, an analog signal to be converted is divided into a plurality of signal segments, the lengths of the signal segments are the same, the analog-to-digital converter carries out analog-to-digital conversion on each signal segment, the voltage detection channel and the current detection channel carry out determination on the voltage value and the current value of each signal segment in each signal segment, the processor determines the most stable voltage value and the most stable current value according to the voltage values and the current values of all the signal segments, and the power product of the most stable voltage value and the most stable current value is used as a standard power value of the analog signal to be converted.
Description
Technical Field
The invention relates to the field of analog-to-digital converters, in particular to a power detection system for an analog-to-digital converter.
Background
With the rapid development and popularization of digital technology, particularly information technology, digital computer technology is widely adopted for signal processing in the fields of modern control, communication, detection and the like in order to improve the performance index of the system. Since the actual objects of the system are often analog quantities (such as temperature, pressure, displacement, images, etc.), in order for a computer or digital meter to recognize and process these signals, these analog signals must first be converted into digital signals. Thus, there is a need for a circuit that can bridge between analog and digital signals, an analog-to-digital converter.
An Analog-to-digital converter, or ADC (Analog-to-Digital Converter) is typically referred to as an electronic component that converts an Analog signal to a digital signal. A typical analog-to-digital converter converts an input voltage signal into an output digital signal.
In the actual conversion process summarization, the power parameters of the analog-to-digital converter need to be detected, in the traditional detection method, the working current and the working voltage of a workpiece need to be detected respectively, and the power is calculated according to the army current value and the voltage value.
Disclosure of Invention
The present inventors have proposed a power detection system for an analog-to-digital converter, which is directed against the above-mentioned problems and technical needs, and the technical scheme of the present invention is as follows:
the power detection system for the analog-to-digital converter comprises a processor, an analog-to-digital converter, a voltage detection channel and a current detection channel, wherein the analog-to-digital converter, the voltage detection channel and the current detection channel are all connected to the processor, an analog signal to be converted is divided into a plurality of signal segments, the lengths of the signal segments are the same, the analog-to-digital converter carries out analog-to-digital conversion on each signal segment, the voltage detection channel and the current detection channel determine the voltage value and the current value of each signal segment in each signal segment, and the processor determines the most stable voltage value and the most stable current value according to the voltage values and the current values of all the signal segments, and the power product of the most stable voltage value and the most stable current value is used as the standard power value of the analog signal to be converted.
The further technical scheme is that the analog signal to be converted is divided into a plurality of signal segments, including:
and determining the length of the total signal section of the analog signal to be converted, and when the length of the total signal section is an odd number, removing the first signal point or the last signal point of the analog signal and then carrying out average division.
The further technical scheme is that the analog-to-digital converter performs analog-to-digital conversion on each signal segment, and the method comprises the following steps:
the voltage detection channel and the current detection channel identify the signal segments, and the most stable voltage value and the most stable current value are determined according to the voltage values and the current values of all the signal segments, and the method comprises the following steps:
determining a mean voltage of all the voltage values and a mean current of all the current values;
comparing each voltage value with the voltage difference value of the average voltage, and taking the corresponding voltage value with the minimum voltage difference value as the most stable voltage value;
and comparing the current difference value of each current value and the average current, and taking the corresponding current value with the smallest current difference value as the most stable current value.
The power detection system further comprises a memory, wherein the memory is connected to the processor and is used for storing data information.
The further technical scheme is that when the memory stores the most stable voltage value and the most stable current value, the memory deletes the voltage value and the current value of each signal segment.
The power detection system further comprises a power module, wherein the power module comprises a battery assembly and a power supply bus, the power module is respectively and electrically connected with other components of the power detection system through the power supply bus, and the battery assembly stores electric energy and provides electric energy for the other components.
The beneficial technical effects of the invention are as follows: the analog signal to be converted is divided into a plurality of signal segments, the lengths of the signal segments are the same, the stability of each measuring point can be ensured through the signal segments with the same length, and the inaccuracy of detection caused by the unequal lengths is avoided; compared with integral analog-to-digital conversion, the analog-to-digital conversion of a single signal segment can ensure a plurality of voltage values and current values in the whole conversion process, integrate into a part, better acquire accurate data, and regard each signal segment as a whole for conversion, so that more attention can be paid to the part for integral conversion in the prior art, and the integral error is reduced; and comparing the current difference value of each current value with the average value current, taking the corresponding current value with the smallest current difference value as the most stable current value, and determining the most stable value through the difference between the comparison and the average value.
Drawings
Fig. 1 is a schematic diagram of a calibration system of the present application.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
A power detection system for an analog-to-digital converter is shown in fig. 1, and comprises a processor, an analog-to-digital converter, a voltage detection channel and a current detection channel, wherein the processor is the brain of the whole system and is responsible for controlling and calculating the whole system, the analog-to-digital converter is used for converting analog signals into digital signals, the voltage detection channel and the current detection channel can be used for acquiring voltage values and current values, and the analog-to-digital converter, the voltage detection channel and the current detection channel are all connected with the processor.
Further, the power detection system further comprises a memory, the memory is connected to the processor, the memory is used for storing data information, meanwhile, the memory can update data stored in the memory according to relevant instructions of the processor, and updating modes comprise modes of deleting data, copying data and the like.
The power detection system further comprises a power supply module, the power supply module comprises a battery assembly and a power supply bus, the power supply module is electrically connected with other parts of the power detection system respectively through the power supply bus, the battery assembly stores electric energy and provides electric energy for the other parts, the battery assembly achieves electric energy storage work, and the power supply bus is used for forming connection with all the parts and supplying power.
The analog signal to be converted is divided into a plurality of signal segments, the lengths of each signal segment are the same, stability of each measuring point can be ensured through the signal segments with the same length, inaccuracy of detection caused by length inequality is avoided, analog-to-digital conversion is carried out on each signal segment in an analog-to-digital converter, a voltage detection channel and a current detection channel determine a voltage value and a current value of each signal segment in each signal segment, a processor determines the most stable voltage value and the most stable current value according to the voltage values and the current values of all the signal segments, the power product of the most stable voltage value and the most stable current value is used as a standard power value of the analog signal to be converted, compared with the integral analog-to-digital conversion, the analog-to-digital conversion of a single signal segment can ensure a plurality of voltage values and current values of the whole conversion process, the integral is enabled to be local, accurate data is better obtained, each signal segment is converted into a whole, more attention is paid to the local part, and the error of the whole is reduced.
The most stable voltage value and the most stable current value can well represent the whole floating state, and further, the most stable voltage value and the most stable current value are taken as the most stable voltage value and the most stable current value, and the average voltage of all the voltage values and the average current of all the current values are determined; comparing the voltage difference value of each voltage value and the average voltage, and taking the corresponding voltage value with the smallest voltage difference value as the most stable voltage value; and comparing the current difference value of each current value with the average value current, taking the corresponding current value with the smallest current difference value as the most stable current value, and determining the most stable value through the difference between the comparison and the average value.
Specifically, how to divide the analog signal to be converted into a plurality of signal segments, the application proposes that the length of the total signal segments of the analog signal to be converted is determined, when the length of the total signal segments is odd, the first signal point or the last signal point of the analog signal is removed and then is divided averagely, and for the signal segments which cannot be divided averagely, the first point or the last point is removed and then is divided averagely, so that the whole is not influenced by excessive.
After the corresponding single signal segments are divided, detection points are arranged between each signal segment, the distance between the detection points in each signal segment and the front and rear signal points of the corresponding signal segment is the same, when the voltage detection channel and the current detection channel identify the detection points, the voltage value and the current value of each signal segment are determined, the voltage detection channel and the current detection channel can conveniently identify the detection points through the detection points, then the numerical value can be obtained, meanwhile, the detection points are positioned in the middle positions of the signal segments, and the integrity measurement is better carried out.
When the memory stores the most stable voltage value and the most stable current value, the memory deletes the voltage value and the current value of each signal segment.
What has been described above is only a preferred embodiment of the present application, and the present invention is not limited to the above examples. It is to be understood that other modifications and variations which may be directly derived or contemplated by those skilled in the art without departing from the spirit and concepts of the present invention are deemed to be included within the scope of the present invention.
Claims (7)
1. A power detection system for an analog-to-digital converter, comprising a processor, an analog-to-digital converter, a voltage detection channel and a current detection channel, wherein the analog-to-digital converter, the voltage detection channel and the current detection channel are all connected to the processor, an analog signal to be converted is divided into a plurality of signal segments, the lengths of each signal segment are the same, the analog-to-digital converter performs analog-to-digital conversion on each signal segment, the voltage detection channel and the current detection channel determine a voltage value and a current value of each signal segment in each signal segment, and the processor determines a most stable voltage value and a most stable current value according to the voltage values and the current values of all the signal segments, and the power product of the most stable voltage value and the most stable current value is used as a standard power value of the analog signal to be converted.
2. A power detection system for an analog-to-digital converter according to claim 1, wherein said dividing the analog signal to be converted into a plurality of signal segments comprises:
and determining the length of the total signal section of the analog signal to be converted, and when the length of the total signal section is an odd number, removing the first signal point or the last signal point of the analog signal and then carrying out average division.
3. A power detection system for an analog-to-digital converter as claimed in claim 1, wherein said analog-to-digital converting each of said signal segments at said analog-to-digital converter comprises:
and detection points are arranged between the signal sections, the distance between the detection points in the signal sections and the front and rear signal points of the corresponding signal sections is the same, and when the voltage detection channel and the current detection channel identify the detection points, the voltage value and the current value of each signal section are determined.
4. A power detection system for an analog-to-digital converter according to claim 1, wherein said determining the most stable voltage value and the most stable current value from the voltage values and the current values of all of said signal segments comprises:
determining a mean voltage of all the voltage values and a mean current of all the current values;
comparing each voltage value with the voltage difference value of the average voltage, and taking the corresponding voltage value with the minimum voltage difference value as the most stable voltage value;
and comparing the current difference value of each current value and the average current, and taking the corresponding current value with the smallest current difference value as the most stable current value.
5. A power detection system for an analog to digital converter as claimed in claim 1, further comprising a memory, said memory being coupled to said processor, said memory for storing data information.
6. The power detection system for an analog-to-digital converter of claim 5, wherein said memory deletes the voltage value and the current value of each of said signal segments when said memory stores said most stable voltage value and said most stable current value.
7. The power detection system for an analog-to-digital converter of claim 1, further comprising a power module, said power module comprising a battery assembly and a power bus, said power module being electrically connected to other components of said power detection system via said power bus, respectively, said battery assembly storing electrical energy and providing electrical energy to said other components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311249786.6A CN117335799A (en) | 2023-09-26 | 2023-09-26 | Power detection system for analog-to-digital converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311249786.6A CN117335799A (en) | 2023-09-26 | 2023-09-26 | Power detection system for analog-to-digital converter |
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| CN117335799A true CN117335799A (en) | 2024-01-02 |
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| CN202311249786.6A Pending CN117335799A (en) | 2023-09-26 | 2023-09-26 | Power detection system for analog-to-digital converter |
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- 2023-09-26 CN CN202311249786.6A patent/CN117335799A/en active Pending
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