CN114089213A - All-digital control type high-power direct-current stabilized power supply detection method and system - Google Patents

All-digital control type high-power direct-current stabilized power supply detection method and system Download PDF

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Publication number
CN114089213A
CN114089213A CN202111470759.2A CN202111470759A CN114089213A CN 114089213 A CN114089213 A CN 114089213A CN 202111470759 A CN202111470759 A CN 202111470759A CN 114089213 A CN114089213 A CN 114089213A
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information
image information
actual
identity information
component
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符勇
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Zhongkeguo Micro Technology Shenzhen Co ltd
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Zhongkeguo Micro Technology Shenzhen Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40Testing power supplies
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/0002Inspection of images, e.g. flaw detection
    • G06T7/0004Industrial image inspection
    • G06T7/001Industrial image inspection using an image reference approach

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Abstract

The application relates to a method and a system for detecting a full-digital control type high-power direct-current stabilized power supply, which are applied to the technical field of power supply detection, wherein the method comprises the following steps: when a detection instruction is received, acquiring actual image information shot by a camera; comparing the actual image information with preset standard image information; if the actual image information is different from the standard image information, acquiring an abnormal image area, wherein the abnormal image area is an area in the actual image information, which is different from the standard image information; acquiring identity information of components in an abnormal image area in a preset component information base, wherein the identity information comprises component names and component parameters corresponding to the components; and storing the identity information of the components in the abnormal image information base into the problem component base. The application has the technical effects that: the staff can inquire about problem component storehouse, the quick convenient identity information who obtains problem components and parts to maintain or change the components and parts that damage.

Description

All-digital control type high-power direct-current stabilized power supply detection method and system
Technical Field
The application relates to the technical field of power supply detection, in particular to a method and a system for detecting a full-digital control type high-power direct-current stabilized power supply.
Background
The current power supply technology integrates a plurality of subject fields such as electric, electronic, system integration, control theory, materials and the like. With the development of computer and communication technologies, the information technology revolution is being carried out on line, which brings a wide development prospect to the power supply and simultaneously puts higher requirements on the power supply technology.
Because the voltage of the direct-current stabilized voltage supply is basically regulated by using the knob switch at the present stage, the regulation precision is not high, and the direct-current stabilized voltage supply frequently jumps and is troublesome to use. The voltage value of the direct-current stabilized power supply can be directly adjusted through a singlechip and the like through numbers to form a full digital control type direct-current stabilized power supply, and compared with a common direct-current stabilized power supply, the full digital control type direct-current stabilized power supply can quickly and accurately adjust the voltage value of the direct-current stabilized power supply.
In the process of implementing the present application, the inventors found that at least the following problems exist in the technology: when the internal circuit of the full digital control type direct current stabilized voltage power supply has problems, the shell needs to be disassembled and the components on the circuit need to be checked one by one, which wastes time and labor.
Disclosure of Invention
In order to solve the problems that when the internal circuit of the all-digital control type direct current stabilized power supply has problems, components on a circuit board need to be checked one by one, and time and labor are wasted, the application provides a detection method and a detection system for the all-digital control type high-power direct current stabilized power supply.
In a first aspect, the present application provides a method for detecting a fully digital control type high-power dc regulated power supply, which adopts the following technical scheme: the method comprises the following steps:
when a detection instruction is received, acquiring preset standard image information, wherein the standard image information comprises standard name information of components corresponding to different position information and standard parameter information corresponding to the standard name information;
acquiring actual image information shot by a camera, wherein the actual image information comprises component information on a main board, and acquiring standard name information of components of corresponding position information in standard image information by acquiring different position information in the actual image information;
comparing the actual image information with preset standard image information;
if the actual image information is different from the standard image information, acquiring an abnormal image area, wherein the abnormal image area is an area different from the standard image information in the actual image information;
acquiring identity information of components in an abnormal image area in a preset component information base, wherein the identity information comprises component names and component parameters corresponding to the components;
and storing the identity information of the components in the abnormal image information base into the problem component base.
Through the technical scheme, when a detection instruction is received, the camera is controlled to shoot and acquire actual image information, the actual image information is compared with preset standard image information, an abnormal image area different from the standard image information in the actual image information is acquired, the identity information of a component in the abnormal image area is matched with the identity information in a preset component information base, wherein the identity information comprises the name and the parameter of the component, and the identity information of the matched component is stored in a problem component base. The identity information of the component with the problem can be quickly and conveniently acquired by a worker in a mode of inquiring the problem component library, so that the worker can maintain or replace the damaged component.
Preferably, after the actual image information is different from the standard image information, the method further includes:
comparing the actual image information with a preset key area;
if the actual image information has a part positioned in the key area;
and setting the part of the actual image information overlapped with the key area as an abnormal image area.
According to the technical scheme, the circuit board is divided into the key area and the non-key area according to the distribution rule of the components in consideration that all actual image information does not contain the components; the key areas are areas such as a circuit board containing components and a main board, and the non-key areas are areas on the circuit board without the components. When the fact that the actual image information is different from the preset standard image information is detected, acquiring a part, located in a key area, of the actual image information, and removing consideration from part of image information located in a non-key area; and setting the part of the actual image information in the key area as an abnormal image area. By distinguishing the key areas from the non-key areas, the possibility that the areas without the components in the abnormal picture information cannot be processed when the system detects the components is reduced, and therefore the efficiency of the system for detecting the components is improved.
Preferably, after comparing the actual image information with a preset key area, the method further includes:
comparing the actual image information with preset wire information;
and if the corresponding key area in the actual image information is the wire information, sending a prompt message of wire shielding.
According to the technical scheme, the possibility that the wire may influence the actual image information is considered, the actual image information is compared with the preset wire information, when the actual image information is different from the standard image information, whether the actual image information is matched with the wire information in the key area is detected, and if the actual image information is matched with the standard image information, prompt information for shielding the wire is sent. The possibility that the components in the key area are blocked by the lead wires and the components are repeatedly detected without problems is reduced, and therefore the accuracy of detecting the abnormal image area is improved.
Preferably, after comparing the actual image information with the preset wire information, the method further includes:
the actual image information is located in a non-key area;
the actual image information comprises a part matched with the wire information;
a wire damage alarm message is sent.
Through the technical scheme, when the abnormal image information is detected to be located in the non-key area, the abnormal image information comprises the part matched with the wire information, the alarm information of wire damage is directly sent, the possibility that the detection system cannot detect whether the wire is in a problem is reduced, and therefore the accuracy degree of the system in detection is improved.
Preferably, after storing the identity information in the abnormal image information library into the problem component library, the method further includes:
acquiring identity information in an abnormal image information base;
if the component in the identity information comprises a capacitor, acquiring an actual parameter corresponding to the capacitor in the abnormal image area;
comparing the actual parameters with preset parameters of the component device;
if the actual difference value between the actual parameter and the component parameter is outside the preset standard capacitance difference value range, storing the identity information of the corresponding component into a preset damaged identity information base;
and acquiring the identity information in the abnormal image library again until all the capacitance components in the identity information are compared.
According to the technical scheme, the identity information in the abnormal image library is obtained, when the capacitor exists in the abnormal image information, the actual parameter corresponding to the capacitor in the abnormal image information is obtained, the actual parameter of the capacitor is compared with the preset component parameter, the difference value between the actual parameter and the preset component parameter is obtained, if the capacitor difference value is within the range of the preset standard capacitor difference value, the identity information corresponding to the capacitor is stored in the preset damaged identity information library, and the actual parameter of the capacitor in the next abnormal image library is detected again until the capacitors in the abnormal image library are all compared. The system can rapidly and conveniently judge whether the capacitor works normally according to the difference range between the actual capacitance value and the preset capacitance value, and accordingly efficiency of judging whether the capacitor works normally or not is improved.
Preferably, after storing the identity information in the abnormal image information library into the problem component library, the method further includes:
acquiring identity information in an abnormal image information base;
if the component in the identity information comprises a resistor, acquiring an actual temperature value corresponding to the resistor;
comparing the actual temperature value with a preset standard temperature range;
if the actual temperature value is outside the preset standard temperature range, storing the identity information of the corresponding component into a damaged identity information base;
if the actual temperature value is within the preset standard temperature range, comparing the actual parameter value corresponding to the resistor with the preset standard parameter value;
and when the difference value between the actual parameter value and the standard parameter value is out of the range of the preset standard resistance difference value, storing the identity information of the corresponding component into a preset damaged identity information base.
Through the technical scheme, the identity information in the area abnormal image library is obtained, when the resistance exists in the abnormal image information, the actual temperature value of the corresponding resistance is obtained, the actual temperature value is compared with the preset standard temperature value, and if the difference value between the actual temperature value and the standard temperature value is out of the range of the preset standard temperature difference value, the identity information of the corresponding resistance is stored in the damaged identity information library; if the difference value between the actual temperature value and the standard temperature value is within the preset standard temperature difference value range, comparing the actual parameter value corresponding to the resistor with a preset theoretical parameter value, if the resistance difference value between the actual parameter value and the standard parameter value is within the preset standard resistance difference value range, and if the resistance difference value between the actual parameter value and the standard parameter value is outside the standard resistance difference value range, storing the identity information of the corresponding resistor into the damage identity information. When detecting resistance, at first through the quick convenient resistance screening with the temperature anomaly of temperature information, carry out actual parameter value's comparison to the resistance that the temperature is normal then, reduced the resistance and damaged but the normal possibility of temperature to the accurate degree of system to resistance detection has been promoted.
Preferably, after storing the identity information in the abnormal image information library into the problem component library, the method further includes:
acquiring identity information in an abnormal image information base;
if the identity information corresponding to the component comprises an operational amplifier, judging the type of the operational amplifier, wherein the type of the operational amplifier comprises an amplifier and a comparator;
if the type of the operational amplifier is an amplifier, respectively acquiring the same-direction voltage and the reverse voltage of the operational amplifier;
if the difference value of the equidirectional voltage and the reverse voltage is out of the range of the preset standard difference value of the operational amplifier, storing the identity information of the corresponding component into a damaged identity information base;
if the type of the operational amplifier is a comparator, respectively acquiring the same-direction voltage, the reverse-direction voltage and the output voltage of the operational amplifier;
if the same-direction voltage is larger than the reverse voltage, judging whether the output voltage is within a preset forward voltage limit range; otherwise, storing the identity information of the corresponding component in a damaged identity information base;
if the equidirectional voltage is smaller than the reverse voltage, judging whether the output voltage is within a preset reverse voltage limit range; otherwise, storing the identity information of the corresponding component in a damaged identity information base.
Through the technical scheme, the identity information in the area abnormal image information base is obtained, when the abnormal image information comprises an operational amplifier, the type of the operational amplifier is firstly obtained, wherein the type of the operational amplifier is an amplifier and a comparator; when the operational amplifier is used as an amplifier, the same-direction voltage and the reverse voltage of the operational amplifier are obtained, the difference value between the same-direction voltage and the reverse voltage is compared, the difference value between the same-direction voltage and the reverse voltage is judged to be out of a preset standard difference value range, and the identity information of the operational amplifier with the type of the amplifier is stored into a damage identity information base; when the circuit is used as a comparator, the same-direction voltage, the reverse-direction voltage and the output voltage of the operational amplifier are obtained; under the condition that the equidirectional voltage is greater than the reverse voltage, judging whether the output voltage is within a preset forward voltage limit range, if not, storing the identity information of the operational amplifier with the type of the comparator into a damaged identity information base; and under the condition that the equidirectional voltage is smaller than the reverse voltage, judging whether the output voltage is within a preset reverse voltage limit range, and if not, storing the identity information of the operational amplifier of which the type is a comparator into a damaged identity information base. The system can carry out different detection schemes according to the type of the operational amplifier, and the detection efficiency of the operational amplifier is further improved.
In a second aspect, the present application provides a fully digital control type high-power dc regulated power supply detection apparatus, which adopts the following technical scheme: the device comprises:
through the technical scheme, when a detection instruction is received, the camera is controlled to shoot and acquire actual image information, the actual image information is compared with preset standard image information, an abnormal image area different from the standard image information in the actual image information is acquired, the identity information of a component in the abnormal image area is matched with the identity information in a preset component information base, wherein the identity information comprises the name and the parameter of the component, and the identity information of the matched component is stored in a problem component base. The identity information of the component with the problem can be quickly and conveniently acquired by a worker in a mode of inquiring the problem component library, so that the worker can maintain or replace the damaged component.
In a third aspect, the present application provides a computer device, which adopts the following technical solution: the device comprises a memory and a processor, wherein the memory is stored with a computer program which can be loaded by the processor and executes any one of the above all-digital control type high-power direct-current stabilized power supply detection methods.
Through the technical scheme, when a detection instruction is received, the camera is controlled to shoot and acquire actual image information, the actual image information is compared with preset standard image information, an abnormal image area different from the standard image information in the actual image information is acquired, the identity information of a component in the abnormal image area is matched with the identity information in a preset component information base, wherein the identity information comprises the name and the parameter of the component, and the identity information of the matched component is stored in a problem component base. The identity information of the component with the problem can be quickly and conveniently acquired by a worker in a mode of inquiring the problem component library, so that the worker can maintain or replace the damaged component.
In a fourth aspect, the present application provides a computer-readable storage medium, which adopts the following technical solutions: the computer program can be loaded by a processor and executes any one of the above all-digital control type high-power direct-current stabilized power supply detection methods.
Through the technical scheme, when a detection instruction is received, the camera is controlled to shoot and acquire actual image information, the actual image information is compared with preset standard image information, an abnormal image area different from the standard image information in the actual image information is acquired, the identity information of a component in the abnormal image area is matched with the identity information in a preset component information base, wherein the identity information comprises the name and the parameter of the component, and the identity information of the matched component is stored in a problem component base. The identity information of the component with the problem can be quickly and conveniently acquired by a worker in a mode of inquiring the problem component library, so that the worker can maintain or replace the damaged component.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when a detection instruction is received, the camera is controlled to shoot and acquire actual image information, the actual image information is compared with preset standard image information, an abnormal image area different from the standard image information in the actual image information is acquired, the identity information of a component in the abnormal image area is matched with the identity information in a preset component information base, wherein the identity information comprises the name and the parameter of the component, and the identity information of the matched component is stored in a problem component base. The identity information of the component with the problem can be quickly and conveniently acquired by a worker in a mode of inquiring the problem component library, so that the worker can conveniently maintain or replace the damaged component;
2. when the abnormal image information is detected to be located in the non-key area, the abnormal image information comprises a part matched with the wire information, the alarm information of wire damage is directly sent, the possibility that the detection system cannot detect whether the wire is in a problem is reduced, and therefore the accuracy degree of the system in detection is improved.
Drawings
Fig. 1 is a flowchart of a detection method of a full digital control type high-power dc voltage-stabilized power supply in an embodiment of the present application.
Fig. 2 is a schematic diagram of the abnormal image information and the important region in the embodiment of the present application.
Fig. 3 is a block diagram of a structure of a detection device of a full digital control type high-power dc regulated power supply in the embodiment of the present application.
Reference numerals: 301. an actual image acquisition module; 302. an actual image comparison module; 303. an abnormal image acquisition module; 304. an identity information acquisition module; 305. and an abnormal identity storage module.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a method for detecting a fully-digital control type high-power direct-current stabilized power supply, the method is based on a fully-digital control type high-power direct-current stabilized power supply control system, the fully-digital control type high-power direct-current stabilized power supply control system comprises a control center and a plurality of cameras controlled by the control center, when a detection instruction is received, the control center compares actual image information obtained by shooting with preset standard image information, the control center also obtains a difference value between an actual parameter value and a preset standard parameter value of a component and compares the difference value with the preset standard difference value, meanwhile, a temperature sensor is used for detecting temperature information of the component in the using process, and identity information corresponding to an abnormal component obtained by comparison is stored.
As shown in fig. 1, the detection method of the all-digital control type high-power dc voltage-stabilized power supply includes the following steps:
s10, when receiving the detection instruction, acquiring the preset standard image information.
The standard image information is the image information of components on the main board shot by the direct-current stabilized voltage supply under the condition of normal work, and the standard image information further comprises name information of the components corresponding to different positions and standard parameter information corresponding to the name information. The staff can trigger the detection instruction in a manual mode, and can also be the routine detection of the control center on the components within the preset time.
S11, actual image information is acquired.
The actual image information of the components on the main board can be obtained by controlling the camera preset in the direct-current stabilized voltage supply to shoot. Before the camera is controlled to shoot, firstly, a flash lamp preset in the DC stabilized power supply is controlled to perform lighting operation, then, the camera is controlled to shoot to obtain actual image information, and after shooting is completed, the flash lamp is controlled to be turned off, so that the quality of the actual image information shot by the camera is improved.
S12, it is determined whether the actual image information is the same as the preset standard image information.
And monitoring the direct-current stabilized power supply in actual work by comparing the image information, jumping to S14 at the first time when the actual image information is found to be changed, and otherwise, executing S13.
If yes, S13 acquires the actual image information again.
The prompting information such as 'normal operation of the direct-current stabilized power supply' is sent, the actual image information corresponding to the component is obtained again within the preset time, and the preset time can be modified by staff, such as 30 minutes, 1 hour and the like.
And S14, otherwise, acquiring the identity information of the corresponding component in the abnormal image area.
The method comprises the steps of obtaining actual image information, correspondingly obtaining component names of corresponding positions in standard image information according to different position information in the actual image information, obtaining areas different from the standard image information in the actual image information, and setting the different areas as abnormal image areas. For example, if the component information corresponding to the position (X1, Y1) in the standard image information is the resistor R1, the name information of the component corresponding to the position (X1, Y1) in the actual image information is the resistor R1; the abnormal image area contains a resistor, the name of a component in the standard image information corresponding to the resistor is resistor R1, and the corresponding actual component parameter is 1k ohm. And storing the identity information into a preset problem component library after acquiring the identity information. The staff can be through the identity information in the direct inquiry problem component storehouse, the quick convenient identity information who obtains the components and parts of problem to the detection efficiency of system has been promoted.
In an embodiment, referring to fig. 2, when the actual image information is different from the standard image information, the circuit board is divided into an important area and a non-important area in consideration of different component distributions corresponding to different areas, where the important area is an area on the circuit board that includes components, and the non-important area is an area on the circuit board that does not include components; and comparing the actual image information with a preset key area, and if a part positioned in the key area exists in the actual image information, setting the part of the actual image information, which is overlapped with the key area, as abnormal image information. For example, an area a in the circuit board is an important area, an area B remaining on the circuit board is a non-important area, and an area C is an area where actual image information is different from standard image information, and an area where the area a and the area C overlap is obtained and set as an abnormal image area. Through setting up key region and non-key region, reduced the system and can't detect components and parts in non-key region, then can't judge the possibility whether components and parts damage for the system can be fast convenient detect the part that abnormal image information is located key region fast, thereby promoted the detection efficiency of system.
In one embodiment, considering that the wire may affect the shooting effect of the actual image information, the actual image information is compared with the preset wire information, wherein the wire information is an area corresponding to a wire standardized in advance in the standard image information; and if the actual image information comprises the same part as the lead information, acquiring the part, located in the key area, of the abnormal image information, and if the part, located in the key area, of the abnormal image information comprises the lead information, sending prompt information such as 'lead shielding' to an intelligent terminal of a worker. After the part, located in the key area, in the abnormal image information is obtained, the abnormal image information is firstly compared with the wire information, and if the abnormal image information contains the part identical to the wire information, the shielding prompt information is sent, so that the accuracy of the system in detecting the components is further improved.
In one embodiment, in consideration of the possibility that the lead is damaged, abnormal image information is obtained, the abnormal image information is compared with a preset key area, when a part located in a non-key area exists in the abnormal image information, the preset lead information is obtained, the lead information is compared with a part located in the non-key area in the abnormal image information, and if the part located in the non-key area in the abnormal image information has an area corresponding to the lead information, alarm information such as 'lead damage' is sent to an intelligent terminal of a worker. For example, if the abnormal image information corresponds to an X area, the non-emphasized area corresponds to a Y area, and a portion corresponding to the wire information exists at a portion where the X and Y areas overlap, a warning message of "wire damage" is sent. When the abnormal image information appears in the non-key area and the non-key area contains the lead information, the system sends alarm information related to the corresponding lead.
In one embodiment, when name information corresponding to identity information of a corresponding component in the abnormal image information is a capacitor, acquiring an actual parameter corresponding to the capacitor in the abnormal image information, comparing the actual parameter with a preset component parameter, if an actual difference value between the actual parameter and the component parameter is outside a preset standard capacitor difference value range, storing the identity information corresponding to the capacitor in a preset damaged identity information base, and acquiring the identity information corresponding to the component in the abnormal image information again until all components corresponding to the identity information as the capacitor are compared. For example, A, B, C capacitors are totally calculated in the abnormal image information, the preset standard capacitor difference value is positive and negative 10% of the self capacity, the component parameters corresponding to A, B, C capacitors are all 1000pf, the actual parameter of the capacitor A is 1050pf, and the capacitor A is normal; and acquiring the actual parameter of the capacitor B as 870pf again, storing the identity information corresponding to the capacitor B into the damaged identity information base, storing the identity information corresponding to the capacitor C into the damaged identity database if the actual parameter of the capacitor C is 790pf, and finishing the detection of the capacitor in the abnormal image information after the detection of all A, B, C capacitors is finished. The system can compare the actual parameters of the capacitor with the preset parameters, and compares the actual difference value of the capacitor between the actual parameters and the preset parameters with the preset standard difference value again, so that whether the capacitor is in a normal working state or not is accurately calculated, and the accuracy degree of the system for capacitor detection is improved.
In one embodiment, when name information corresponding to the identity information of the corresponding component in the abnormal image information is a resistor, acquiring an actual temperature value corresponding to the resistor in the abnormal image information, comparing a time temperature value of the resistor with a preset standard temperature range, and if the actual temperature value of the resistor is outside the preset standard temperature range, storing the identity information of the resistor in a preset damage identity information base; if the actual temperature value of the resistor is within the preset standard temperature range, acquiring an actual parameter value of the resistor, comparing the actual parameter value with the preset standard parameter value, calculating an actual difference value between the actual parameter value and the standard parameter value, comparing the actual difference value with the preset standard resistor difference value range, and if the actual difference value is outside the standard difference value range, storing the identity information of the corresponding resistor into a damaged identity information base. For example, if the standard temperature range corresponding to the resistor is 0-50 ℃ and the actual temperature range corresponding to the resistor a is 65 ℃, the identity information corresponding to the resistor a is directly stored in the damaged identity database; the resistance value of the resistor B is 1k omega, the difference value range of the standard resistors is plus or minus 10 percent of the self resistance value, the actual temperature value corresponding to the resistor B is 40 ℃, the resistor B is located in the standard temperature range, the actual resistance value of the resistor B is 0.8k omega and is located outside the preset difference value range of the standard resistors, and the identity information corresponding to the resistor B is stored in the damage identity information base. By comparing actual temperature information, the resistors with abnormal temperature are quickly and conveniently screened and removed, so that the system can quickly identify the damaged resistors with abnormal temperature; in the resistor with normal temperature, the actual difference value of the resistor between the actual resistance value and the theoretical resistance value of the resistor is calculated, and whether the actual difference value of the resistor is within the range of the theoretical difference value of the resistor is judged, so that the accuracy of the system in judging the damaged resistor is improved.
In one embodiment, when the corresponding component in the abnormal image information is an operational amplifier, the type of the operational amplifier is first determined according to the identity information of the operational amplifier, and the type of the operational amplifier comprises a comparator and an amplifier.
When the type of the operational amplifier is a comparator, respectively acquiring the same-direction voltage, the reverse voltage and the output voltage of the operational amplifier; if the same-direction voltage is larger than the reverse-direction voltage, judging whether the output voltage is within a preset normal-phase voltage limit range; otherwise, storing the identity information of the corresponding operational amplifier into a damaged identity information base; if the equidirectional voltage is smaller than the reverse voltage, judging whether the output voltage is within a preset reverse voltage limit range; otherwise, storing the identity information of the corresponding operational amplifier into a damaged identity information base; for example, when the same-direction voltage of the operational amplifier a is 2.4V and the reverse voltage is 2.8V, the output voltage of the operational amplifier a is within the preset reverse voltage limit range, and the system determines that the operational amplifier a is normal; when the equidirectional voltage of the operational amplifier B is 3.3V and the reverse voltage is 3V, and the output voltage of the operational amplifier B is 5V and is not within the preset reverse voltage limit range, the identity information of the operational amplifier B is stored into the damage identity information base. By the principle of virtual disconnection of the operational amplifier, whether the operational amplifier is in a normal working state when being used as a comparator is quickly and conveniently judged, so that the judgment efficiency of the system is improved.
When the type of the operational amplifier is an amplifier, respectively acquiring the same-direction voltage and the reverse voltage of the operational amplifier; and calculating the difference value between the equidirectional voltage and the reverse voltage, and storing the identity information of the corresponding operational amplifier into a damaged identity information base if the difference value between the equidirectional voltage and the reverse voltage is out of the range of the preset standard difference value of the operational amplifier. For example, the standard deviation range is ± 0.1V, and when the same-direction voltage of the operational amplifier a is 2.34V and the reverse-direction voltage is 2.42V, the identity information of the operational amplifier a is stored in the damaged identity information base.
The implementation principle of the embodiment of the application is as follows: firstly, after a detection instruction is received, preset standard image information is obtained, the standard image information comprises standard name information of components corresponding to different position information on a mainboard and standard parameter information corresponding to the name information, a camera shoots the obtained actual image information corresponding to the components on the mainboard, the actual image information is compared with the standard image information, the actual image information obtains the standard name information of the components corresponding to the position information in the standard image information through different position information, different areas between the actual image information and the standard image information are set as abnormal image areas, and the abnormal image information is compared with key areas.
And when the abnormal image information is located in a non-key area, acquiring preset wire information, and if the abnormal image information contains the wire information, sending alarm information related to the corresponding wire.
When the abnormal image information is located in the key area, the wire information is compared again, and if the abnormal image information contains the wire information, prompt information such as wire shielding is sent to an intelligent terminal of a worker. When the abnormal image information contains the capacitor, judging whether the capacitor is normal or not by comparing whether the difference value between the actual parameter value and the preset parameter value of the capacitor is within the preset standard capacitor difference value range or not; when the abnormal image information contains the resistor, firstly storing the identity information corresponding to the resistor with abnormal temperature into a damaged identity information base, and then comparing whether the difference value between the actual parameter value and the preset parameter value of the resistor is within the range of the preset standard resistor difference value to judge whether the resistor is normal; when the operational amplifier is included in the abnormal image information, the type of the operational amplifier is first determined.
When the operational amplifier is a comparator, the forward voltage, the reverse voltage and the output voltage are respectively obtained, and whether the output voltage is in a preset range is judged according to the magnitude of the forward voltage and the reverse voltage so as to judge whether the operational amplifier is normal.
When the operational amplifier is an amplifier, the forward voltage and the reverse voltage are obtained, the difference value between the forward voltage and the reverse voltage is calculated, and whether the operational amplifier is normal or not is judged by judging whether the difference value is within a preset standard difference value range or not.
Based on the method, the embodiment of the application also discloses a full digital control type high-power direct-current stabilized power supply detection device.
As shown in fig. 3, the apparatus includes the following modules:
an actual image obtaining module 301, configured to obtain actual image information captured by the camera when the detection instruction is received;
an actual image comparison module 302, configured to compare actual image information with preset standard image information;
an abnormal image obtaining module 303, configured to obtain an abnormal image region if the actual image information is different from the standard image information, where the abnormal image region is a region in the actual image information that is different from the standard image information;
an identity information obtaining module 304, configured to obtain identity information of a component in the abnormal image region in a preset component information base, where the identity information includes a component name and a component parameter corresponding to the component;
the abnormal identity storage module 305 is configured to store the identity information of the component in the abnormal image information library into the problem component library.
In an embodiment, the abnormal image obtaining module 303 is further configured to, if the actual image information is different from the standard image information, further include: comparing the actual image information with a preset key area; if the actual image information has a part positioned in the key area; and setting the part of the actual image information overlapped with the key area as an abnormal image area.
In an embodiment, the abnormal image obtaining module 303 is further configured to compare the actual image information with a preset key area, and further includes: comparing the actual image information with preset wire information; and if the corresponding key area in the actual image information is the wire information, sending a prompt message of wire shielding.
In an embodiment, the abnormal image obtaining module 303 is further configured to compare the actual image information with preset guide line information, and further includes: the actual image information is located in a non-key area; the actual image information contains a part matched with the wire information; a wire damage alarm message is sent.
In one embodiment, the abnormal identity storage module 305 is further configured to, after storing the identity information in the abnormal image information library into the problem component library, further include: acquiring identity information in an abnormal image information base; if the component in the identity information contains the capacitor, acquiring an actual parameter corresponding to the capacitor in the abnormal image area; comparing the actual parameters with preset parameters of the component device; if the actual difference value between the actual parameter and the component parameter is outside the preset standard capacitance difference value range, storing the identity information of the corresponding component into a preset damaged identity information base; and acquiring the identity information in the abnormal image library again until all the capacitance components in the identity information are compared.
In one embodiment, the abnormal identity storage module 305 is further configured to, after storing the identity information in the abnormal image information library into the problem component library, further include: acquiring identity information in an abnormal image information base; if the component in the identity information comprises a resistor, acquiring an actual temperature value corresponding to the resistor; comparing the actual temperature value with a preset standard temperature range; if the actual temperature value is outside the preset standard temperature range, storing the identity information of the corresponding component into a damaged identity information base; if the actual temperature value is within the preset standard temperature range, comparing the actual parameter value corresponding to the resistor with the preset standard parameter value; and when the difference value between the actual parameter value and the standard parameter value is out of the range of the preset standard resistance difference value, storing the identity information of the corresponding component into a preset damaged identity information base.
In one embodiment, the abnormal identity storage module 305 is further configured to, after storing the identity information in the abnormal image information library into the problem component library, further include: acquiring identity information in an abnormal image information base; if the identity information corresponding to the component comprises an operational amplifier, judging the type of the operational amplifier, wherein the type of the operational amplifier comprises an amplifier and a comparator; if the type of the operational amplifier is an amplifier, respectively acquiring the same-direction voltage and the reverse voltage of the operational amplifier; if the difference value of the equidirectional voltage and the reverse voltage is out of the range of the preset standard difference value of the operational amplifier, storing the identity information of the corresponding component into a damaged identity information base; if the type of the operational amplifier is a comparator, respectively acquiring the same-direction voltage, the reverse voltage and the output voltage of the operational amplifier; if the same-direction voltage is larger than the reverse voltage, judging whether the output voltage is within a preset forward voltage limit range; otherwise, storing the identity information of the corresponding component in a damaged identity information base; if the equidirectional voltage is smaller than the reverse voltage, judging whether the output voltage is within a preset reverse voltage limit range; otherwise, storing the identity information of the corresponding component in a damaged identity information base.
The embodiment of the application also discloses computer equipment.
Specifically, the computer device comprises a memory and a processor, wherein the memory stores a computer program which can be loaded by the processor and executes the detection method of the all-digital control type high-power direct-current stabilized power supply.
The embodiment of the application also discloses a computer readable storage medium.
Specifically, the computer-readable storage medium stores a computer program capable of being loaded by a processor and executing the above-mentioned all-digital control type high-power dc stabilized power supply detection method, and includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (10)

1. A detection method for a full digital control type high-power direct-current stabilized power supply is characterized by comprising the following steps:
when a detection instruction is received, acquiring preset standard image information, wherein the standard image information comprises standard name information of components corresponding to different position information and standard parameter information corresponding to the standard name information;
acquiring actual image information shot by a camera, wherein the actual image information comprises component information on a main board, and acquiring standard name information of components of corresponding position information in standard image information by acquiring different position information in the actual image information;
comparing the actual image information with preset standard image information;
if the actual image information is different from the standard image information, acquiring an abnormal image area, wherein the abnormal image area is an area different from the standard image information in the actual image information;
acquiring identity information of components in an abnormal image area in a preset component information base, wherein the identity information comprises component names and component parameters corresponding to the components;
and storing the identity information of the components in the abnormal image information base into the problem component base.
2. The method of claim 1, further comprising, after the actual image information is different from the standard image information:
comparing the actual image information with a preset key area;
if the actual image information has a part positioned in the key area;
a portion where the actual image information coincides with the key area is set as an abnormal image area.
3. The method according to claim 2, wherein after comparing the actual image information with a preset key area, further comprising:
comparing the actual image information with preset wire information;
and if the corresponding key area in the actual image information is the wire information, sending a prompt message of wire shielding.
4. The method of claim 3, wherein after comparing the actual image information with the preset guide line information, further comprising:
the actual image information is located in a non-key area;
the actual image information comprises a part matched with the wire information;
a wire damage alarm message is sent.
5. The method of claim 1, further comprising, after storing the identity information in the abnormal image information library in the problem element library:
acquiring identity information in an abnormal image information base;
if the component in the identity information comprises a capacitor, acquiring an actual parameter corresponding to the capacitor in the abnormal image area;
comparing the actual parameters with preset parameters of the component device;
if the actual difference value between the actual parameter and the component parameter is outside the preset standard capacitance difference value range, storing the identity information of the corresponding component into a preset damaged identity information base;
and acquiring the identity information in the abnormal image library again until all the capacitance components in the identity information are compared.
6. The method of claim 1, further comprising, after storing the identity information in the abnormal image information library in the problem element library:
acquiring identity information in an abnormal image information base;
if the component in the identity information comprises a resistor, acquiring an actual temperature value corresponding to the resistor;
comparing the actual temperature value with a preset standard temperature range;
if the actual temperature value is outside the preset standard temperature range, storing the identity information of the corresponding component into a damaged identity information base;
if the actual temperature value is within the preset standard temperature range, comparing the actual parameter value corresponding to the resistor with the preset standard parameter value;
and when the difference value between the actual parameter value and the standard parameter value is out of the range of the preset standard resistance difference value, storing the identity information of the corresponding component into a preset damaged identity information base.
7. The method of claim 1, further comprising, after storing the identity information in the abnormal image information library in the problem element library:
acquiring identity information in an abnormal image information base;
if the identity information corresponding to the component comprises an operational amplifier, judging the type of the operational amplifier, wherein the type of the operational amplifier comprises an amplifier and a comparator;
if the type of the operational amplifier is an amplifier, respectively acquiring the same-direction voltage and the reverse voltage of the operational amplifier;
if the difference value of the equidirectional voltage and the reverse voltage is out of the range of the preset standard difference value of the operational amplifier, storing the identity information of the corresponding component into a damaged identity information base;
if the type of the operational amplifier is a comparator, respectively acquiring the same-direction voltage, the reverse-direction voltage and the output voltage of the operational amplifier;
if the same-direction voltage is larger than the reverse voltage, judging whether the output voltage is within a preset forward voltage limit range; otherwise, storing the identity information of the corresponding component in a damaged identity information base;
if the equidirectional voltage is smaller than the reverse voltage, judging whether the output voltage is within a preset reverse voltage limit range; otherwise, storing the identity information of the corresponding component in a damaged identity information base.
8. A system type high-power direct-current stabilized power supply detection device is characterized by comprising:
the actual image acquisition module is used for acquiring actual image information shot by the camera when receiving the detection instruction;
the actual image comparison module is used for comparing the actual image information with the preset standard image information;
the abnormal image acquisition module is used for acquiring an abnormal image area if the actual image information is different from the standard image information, wherein the abnormal image area is an area which is different from the standard image information in the actual image information;
the identity information acquisition module is used for acquiring identity information of the components in the abnormal image area from a preset component information base, wherein the identity information comprises component names and component parameters corresponding to the components;
and the abnormal identity storage module is used for storing the identity information of the components in the abnormal image information base into the problem component base.
9. A computer device comprising a memory and a processor, the memory having stored thereon a computer program that can be loaded by the processor and that executes the method according to any of claims 1 to 7.
10. A computer-readable storage medium, in which a computer program is stored which can be loaded by a processor and which executes the method of any one of claims 1 to 7.
CN202111470759.2A 2021-12-03 2021-12-03 All-digital control type high-power direct-current stabilized power supply detection method and system Pending CN114089213A (en)

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