CN114460487A - A power supply aging state monitoring system and monitoring method - Google Patents

Abstract

The invention relates to a power supply aging state monitoring system and a monitoring method, wherein the monitoring system comprises a power supply box for loading a test power supply and a video collector arranged on one side of the power supply box, the power supply box is connected with a load box and a switch, and the video collector is connected with a video analysis processing computer; after monitoring starts, the video collector collects the working information of the power supply to be tested and transmits the working information to the video analysis processing computer, and after video analysis software on the video analysis processing computer receives data, the data are stored into a video format on one hand, and on the other hand, the characteristic information of the power supply to be tested is extracted from the data and analyzed and judged to form a final test result. The invention mainly solves the problem of datamation and visualization of continuous state monitoring in the power supply aging process, is convenient for data collection and judgment, improves the power supply aging test efficiency and reduces the production cost.

Description

A power supply aging state monitoring system and monitoring method

technical field

The invention relates to the technical field of power supply state monitoring, in particular to a power supply aging state monitoring system and a monitoring method.

Background technique

In production enterprises, in order to test the reliability and stability of the power supply, the aging test of the power supply has become a more critical test procedure, especially in the test environment of multi-variety and small-batch power supplies, to improve the test efficiency and reduce the test cost. , the retention of test data is particularly important. Existing power aging equipment can only obtain data through manual timed transcription and display status interpretation. The long aging time, high ambient temperature and loud noise in the aging room have a great impact on the operators who work in the aging room for a long time, and the manual transcription state is time-consuming and laborious, which increases the overall product production cost. With the development of power supply technology, although relatively mature testing equipment for mass production power supply has been formed, it is not suitable for power supply aging of state detection due to the cost and applicability of power supply testing equipment.

SUMMARY OF THE INVENTION

The present invention aims to solve the deficiencies of the prior art, and provides a power supply aging state monitoring system and monitoring method.

The present invention adopts the following technical solutions to achieve the above object:

A power supply aging state monitoring system, comprising a power supply box loaded with a test power supply and a video collector arranged on one side of the power supply box, the power supply box is connected with a load box and a switch, and the video collector is connected with a video analysis and processing computer;

The power box includes a top plate and a bottom plate. A left cover and a switch cover are arranged on the left side between the top plate and the bottom plate, and a right cover and an interface plate are arranged on the right side. A partition plate is arranged on the rear side between the top plate and the bottom plate. On the inner side of the partition, the left cover and the right cover are installed with a plurality of cooling fans from top to bottom, and there are two guide rail beams arranged in the front and rear between the top plate and the bottom plate on the inner side of the left cover and the inner side of the right cover. Several guide rails are installed on the inner side of the guide rail beam from top to bottom. There are left and right rear vertical beams between the top plate and the bottom plate between the left cover and the switch cover. The two rear vertical beams correspond to each guide rail from top to bottom. There is a vertical plate, the front side of the vertical plate is fixed with the power socket to be tested, the switch cover is provided with a switch corresponding to the number of guide rails, the switch is connected to the switch through the power cord, and the interface board is provided with a corresponding number of guide rails. Several power box connector sets;

A number of load trays are plugged into the load box. The load tray includes a plug-in board. A front panel is arranged on one side of the upper surface of the plug-in board. Load box connectors are installed on the left and right sides of the front panel. The load box connectors of the load tray are connected to the power box. There are several cement resistors installed on the surface of the plug-in board.

The left cover and the right cover are provided with through holes for installing the cooling fans, the cooling fans are installed in the corresponding through holes, and a fan cover is installed outside each cooling fan on the outer sides of the left cover and the right cover.

The guide rail beams are provided with several guide rail installation holes, the front and rear ends of the guide rail are provided with first connection holes, and the guide rails are installed at the corresponding guide rail installation holes through the screws in the first connection holes.

The rear vertical beam is provided with a plurality of vertical plate installation holes, the left and right ends of the vertical plate are provided with second connection holes, and the vertical plates are installed at the corresponding vertical plate installation holes through the screws in the second connection holes.

The power socket to be tested is detachably installed on the front side of the vertical plate through screws.

The top plate, the bottom plate and the partition plate are provided with a number of hollow holes.

A handle is provided in the middle of the outer side of the front panel of the load tray.

The front panel of the load pan has straight notches on both sides.

A monitoring method for a power supply aging state monitoring system, the specific steps are:

S1. Plug the power supply to be tested along the guide rail to the power socket to be tested corresponding to the power box;

S2. Connect the power box connector group of the power box to the load box connector of the load box. The load box can be configured with different load sizes according to the use requirements, so that the power supply to be tested is in different output load states;

S3. Connect the switch of the power box to the switch through the power line, the switch provides voltage input for the power box, and the working time can be set according to the test requirements;

S4. After the monitoring starts, the video collector collects the working information of the power supply to be tested and transmits it to the video analysis and processing computer. After the video analysis software on the video analysis and processing computer receives the data, on the one hand, the data is stored in a video format, on the other hand On the other hand, the characteristic information of the power supply to be tested is extracted from the data, and the analysis and judgment are carried out to form the final test result. When the power supply under test is abnormal during the aging process of the power supply, log in to the analysis software to quickly find the fault point and fault time, and display the video information at that time. .

In step S4, the characteristic information of the power supply to be tested is whether the status of the indicator light of the power supply to be tested is normal in the power-on/off test.

The beneficial effects of the present invention are: the present invention mainly solves the digitization and visualization of the continuous state monitoring of the power supply aging process, which facilitates data collection and judgment, improves the power supply aging test efficiency, and reduces the production cost.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Figure 2 is a schematic diagram of the structure of the power box in one direction;

Figure 3 is a schematic diagram of the structure of the power box in another direction;

FIG. 4 is a schematic structural diagram of a load plate;

5 is a power state observation curve diagram drawn in an embodiment;

In the figure: 1-top plate; 2-bottom plate; 3-left cover; 4-switch cover; 5-right cover; 6-interface board; 7-partition plate; 8-cooling fan; 9-rail beam; 10-rail; 11-rear vertical beam; 12-vertical plate; 13-power socket to be tested; 14-switch; 15-power box connector group; 16-plug board; 17-front panel; 18-load box connector; 19- Cement resistor; 20-fan cover; 21-rail mounting hole; 22-first connecting hole; 23-vertical plate mounting hole; 24-second connecting hole; 25-hollow hole; 26-handle; 27-straight slot ;

The following will be described in detail with reference to the accompanying drawings in conjunction with the embodiments of the present invention.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the present invention will be further described:

As shown in Figures 1 to 4, a power supply aging state monitoring system includes a power box loaded with a test power supply and a video collector arranged on one side of the power box. The power box is connected with a load box and a switch, and the video collector is connected to There is a video analysis and processing computer;

The power box includes a top plate 1 and a bottom plate 2. A left cover 3 and a switch cover 4 are arranged on the left side between the top plate 1 and the bottom plate 2, and a right cover 5 and an interface plate 6 are arranged on the right side. There is a partition 7, the switch cover 4 and the interface board 6 are close to the inner side of the partition 7, and a plurality of cooling fans 8 are installed on the left cover 3 and the right cover 5 from top to bottom. There are two guide rail beams 9 arranged before and after the bottom plate 2, and several guide rails 10 are installed on the inside of the corresponding front and rear guide rail beams 9 from top to bottom. The rear vertical beams 11 arranged left and right are arranged between the covers 4 , and a vertical plate 12 is arranged between the two rear vertical beams 11 from top to bottom corresponding to each guide rail 10 . The power socket 13, the switch cover 4 is provided with switches 14 corresponding to the number of the guide rails 10, the switches 14 are connected with the switch through the power cord, and the interface board 6 is provided with several power box connector groups 15 corresponding to the number of the guide rails 10;

A number of load trays are plugged into the load box, the load tray includes a plug board 16, a front panel 17 is provided on one side of the upper surface of the plug board 16, and load box connectors 18 are installed on the left and right sides of the front panel 17, and the load boxes of the load tray are connected The connector 18 is connected to the power box connector group 15, and a plurality of cement resistors 19 are installed on the upper surface of the plug-in board 16.

The left cover 3 and the right cover 5 are provided with through holes for the installation of the cooling fan 8, the cooling fan 8 is installed in the corresponding through hole, and the outer sides of the left cover 3 and the right cover 5 are installed outside each cooling fan 8. Fan cover 20 .

The guide rail beam 9 is provided with several guide rail mounting holes 21 , and the front and rear ends of the guide rail 10 are provided with first connecting holes 22 .

The rear vertical beam 11 is provided with a plurality of vertical plate mounting holes 23 , the left and right ends of the vertical plate 12 are provided with second connecting holes 24 , and the vertical plates 12 are installed on the corresponding vertical plates through the screws in the second connecting holes 24 Mounting hole 23.

The power socket 13 to be tested is detachably installed on the front side of the vertical plate 12 through screws.

The top plate 1 , the bottom plate 2 and the partition plate 7 are provided with a number of hollow holes 25 .

A handle 26 is provided in the middle position of the outer side surface of the front panel 17 of the load tray.

Straight slots 27 are provided on both sides of the front panel 17 of the load tray.

A monitoring method for a power supply aging state monitoring system, the specific steps are:

S1, plug the power supply to be tested on the power supply socket 13 to be tested corresponding to the power supply box along the guide rail 10;

S2. Connect the power box connector group 15 of the power box to the load box connector 18 of the load box. The load box can be configured with different load sizes according to the use requirements, so that the power supply to be tested is in different output load states;

S3. Connect the switch 14 of the power box to the switch through the power line, the switch provides voltage input for the power box, and the working time can be set according to the test requirements;

S4. After the monitoring starts, the video collector collects the working information of the power supply to be tested and transmits it to the video analysis and processing computer. After the video analysis software on the video analysis and processing computer receives the data, on the one hand, the data is stored in a video format, on the other hand On the other hand, the characteristic information of the power supply to be tested is extracted from the data, and the analysis and judgment are carried out to form the final test result. When the power supply under test is abnormal during the aging process of the power supply, log in to the analysis software to quickly find the fault point and fault time, and display the video information at that time. .

In step S4, the characteristic information of the power supply to be tested is whether the status of the indicator light of the power supply to be tested is normal in the power-on/off test.

The present invention is mainly divided into two parts.

Part of the working environment of the power supply to be tested is composed of the power supply box, the load box and the switch. The power supply box can provide voltage input for the power supply to be tested and connect the output of the power supply to be tested to the load box; the load box can be configured with different The load size can be matched with 100W-5000W loads, so that the power supply to be tested is in different output load states; the switch provides voltage input for the power box, and the working time can be set according to the test requirements.

A load tray is inserted into the load box. Considering the versatility of the design, the design of the load tray refers to the design idea of a standard 19-inch rack-mounted chassis, and all plug-ins are designed according to the standard external dimensions. Can be inserted into standard cabinets.

The front panel 17 of the load tray is provided with four load box connectors 18, each load box connector 18 is equipped with a corresponding fuse, and the four load box connectors 18 are externally connected to the power box, corresponding to four voltages of a power supply respectively. . A handle 26 is added at the front panel 17 to facilitate the insertion and removal of the load tray, and straight notches 27 are opened on both sides of the front panel 17 to fix the load tray in the rack.

The load plate resistance area achieves the load required by the power supply through the arrangement and combination of the cement resistors 19 . The fixed holes of the load plate have the same spacing, and an appropriate number of cement resistors 19 can be added as required.

The power box is suitable for a variety of standard standard power modules, and supports the test of 3U and 6U power supplies. The power box is divided into a plug-in area, a heat dissipation area, a power input area, and a power output area. The plug-in area supports inserting five power supplies at one time, and testing five power supplies at the same time. The guide rail beams 9 and 10 on both sides of the plug-in area play the role of guiding, limiting and fixing. The left and right sides of the heat dissipation area are symmetrical, the left air enters the right air, and three cooling fans 8 can be installed on the left and right sides, which can meet the heat dissipation requirements of the power supply during the test. The power output area connects the power box with the load box through the pluggable power box connector group 15 . The output voltage of each power supply is +12V, -12V, 3.3V, 5V. Therefore, there are a total of twenty power box connector groups 15 in the output area, each of which is a group of four, corresponding to a power supply. There are five power sockets 13 to be tested in the power input area, corresponding to the five inserted power supplies, and each socket has an independent switch for insurance. Taking into account the frequent handling of the power box, the material is made of aluminum alloy and the parts have been reduced in weight. The surface treatment of the internal parts of the box is natural oxidation, and the outside of the box is sprayed with black color.

The switch should meet the requirements of the working time of the power supply to be tested, and the working time and non-working time can be set, and the duration accuracy can reach the second level.

The other part is a video collector and a video analysis and processing computer with video analysis software installed. The video collector collects the working information of the power supply to be tested and transmits it to the video analysis and processing computer. After the video analysis software on the video analysis and processing computer receives the data, on the one hand, the data is stored in the video format, and on the other hand, the data is extracted from the data. The characteristic information of the power supply to be tested is analyzed and judged to form the final test result.

In order to meet the processing requirements of a large amount of monitoring data, a video analysis and processing computer with a large-capacity memory and a high-performance processor should be selected, and a large-capacity solid-state hard disk should be used to meet the data storage requirements. At the same time, the wireless network card should be configured to meet the data transmission requirements. Finally, in order to facilitate the display of test results, a high-definition large-size display should be configured as a data output terminal.

The video collector should have the ability to collect high-definition video, and can communicate with the video analysis and processing computer wirelessly.

The invention solves the problem of data collection and processing for power supply state monitoring under unattended condition; it solves the function of setting detection data collection points according to the number of power supplies, and performs data horizontal comparison; reduces the production cost of the product and improves the efficiency .

Specific examples:

The invention is mainly used to monitor whether the status of the indicator light in the power switch test is normal, and then judge the working status of the power source. Use a timer to make the power supply in a cyclic on-off state, use a camera to collect images, manually select the indicator lights to be monitored, and the software automatically records the various states of the selected indicator lights during the on-off operation, and draws a complete curve.

The power supply to be tested is continuously turned on for 60 seconds, and then turned off for 120 seconds. The above is a working cycle. Repeat 400 cycles.

As shown in Figure 5, the abscissa is the gray value, and the ordinate is the time. The drawn image shows that the cycle indicator in the middle is not lit, and the power supply is abnormal. The corresponding time point is displayed on the curve, and the corresponding video can be found. Do a review.

The present invention has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-mentioned manner, as long as various improvements made by the method concept and technical solution of the present invention are adopted, or it is directly applied to other It is within the protection scope of the present invention.

Claims (10)

1. A power supply aging state monitoring system is characterized by comprising a power supply box for loading a test power supply and a video collector arranged on one side of the power supply box, wherein the power supply box is connected with a load box and a switch, and the video collector is connected with a video analysis processing computer;

the power box comprises a top plate (1) and a bottom plate (2), a left cover (3) and a switch cover (4) are arranged on the left side between the top plate (1) and the bottom plate (2), a right cover (5) and an interface board (6) are arranged on the right side, a partition board (7) is arranged on the rear side between the top plate (1) and the bottom plate (2), the switch cover (4) and the interface board (6) are close to the inner side of the partition board (7), a plurality of radiating fans (8) are arranged on the left cover (3) and the right cover (5) from top to bottom, two guide rail beams (9) which are arranged front and back are respectively arranged between the top plate (1) and the bottom plate (2) on the inner sides of the left cover (3) and the right cover (5), a plurality of guide rails (10) are arranged on the inner sides of the corresponding front and back guide rail beams (9) from top to bottom, rear vertical beams (11) which are arranged left and right are arranged between the left cover (3) and the switch cover (4) between the top plate (1) and the bottom plate (2), each guide rail (10) is provided with a vertical plate (12) corresponding to each guide rail (10) from top to bottom between the two rear vertical beams (11), a power socket (13) to be tested is fixed on the front side of each vertical plate (12), switches (14) corresponding to the guide rails (10) in number are arranged on the switch cover (4), the switches (14) are connected with the switch through power wires, and a plurality of power box connector groups (15) corresponding to the guide rails (10) in number are arranged on the interface board (6);

a plurality of load disks are inserted in the load box and comprise plug boards (16), a front panel (17) is arranged on one side of the upper surface of each plug board (16), load box connectors (18) are installed on the left side and the right side of each front panel (17), the load box connectors (18) of the load disks are connected with a power supply box connector group (15), and a plurality of cement resistors (19) are installed on the upper surface of each plug board (16).

2. The power supply aging state monitoring system according to claim 1, wherein through holes for installing the cooling fans (8) are formed in the left cover (3) and the right cover (5), the cooling fans (8) are installed in the corresponding through holes, and fan covers (20) are installed outside each cooling fan (8) on the outer side surfaces of the left cover (3) and the right cover (5).

3. The power supply aging state monitoring system according to claim 2, wherein the guide rail beam (9) is provided with a plurality of guide rail mounting holes (21), the front end and the rear end of the guide rail (10) are provided with first connecting holes (22), and the guide rail (10) is mounted at the corresponding guide rail mounting holes (21) through screws in the first connecting holes (22).

4. The power supply aging state monitoring system according to claim 3, characterized in that a plurality of vertical plate mounting holes (23) are formed in the rear vertical beam (11), second connecting holes (24) are formed in the left and right ends of the vertical plate (12), and the vertical plate (12) is mounted at the corresponding vertical plate mounting hole (23) through a screw in the second connecting hole (24).

5. A power supply degradation state monitoring system according to claim 4, characterized in that the power supply socket (13) to be tested is detachably mounted on the front side of the vertical plate (12) by screws.

6. The power supply aging state monitoring system according to claim 5, wherein a plurality of hollowed holes (25) are formed on the top plate (1), the bottom plate (2) and the partition plate (7).

7. A power supply state of aging monitoring system according to claim 6, characterized in that a handle (26) is provided at a middle position of the outer side surface of the front panel (17) of the load tray.

8. A power supply degradation condition monitoring system according to claim 7, characterized in that the front panel (17) of the load tray is provided with notches (27) on both sides.

9. A monitoring method of a power supply aging state monitoring system is characterized by comprising the following specific steps:

s1, inserting a power supply to be tested into a power socket (13) to be tested corresponding to the power box along the guide rail (10);

s2, connecting a power box connector group (15) of a power box with a load box connector (18) of a load box, wherein the load box can be configured with different load sizes according to use requirements, so that the power to be tested is in different output load states;

s3, connecting a switch (14) of the power box with a switch device through a power line, wherein the switch device provides voltage input for the power box and can set the working time length according to the test requirement;

s4, after the monitoring starts, the video collector collects the working information of the power supply to be tested and transmits the working information to the video analysis processing computer, after the video analysis software on the video analysis processing computer receives the data, on one hand, the data is stored into a video format, on the other hand, the characteristic information of the power supply to be tested is extracted from the data and analyzed and judged to form a final test result, when the power supply to be tested is abnormal in the aging process, the logging analysis software can quickly search a fault point and fault time, and then the video information is displayed.

10. The method as claimed in claim 9, wherein in step S4, the characteristic information of the power supply under test is whether the status of the indicator light of the power supply under test is normal during the power on/off test.

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