Charging load detection device

Abstract

The invention discloses a charging load detection device, and relates to the technical field of electric power monitoring, the charging load detection device comprises a box body, the front surface of the box body is movably provided with a box door, the top of the box body is fixedly provided with two wiring assemblies, the bottom ends of the two wiring assemblies extend to the interior of the box body, and the two wiring assemblies are arranged in the box body. A communication line is connected between the bottom ends of the two wiring assemblies; a current transformer is fixedly installed on the upper portion of the rear side in the box body, and the communication line penetrates through the current transformer. A data collector and a controller are fixed to the rear side of the interior of the box body, the data collector is electrically connected with the controller, and the current transformer is electrically connected with the data collector. The charging load detection device is high in precision, multifunctional and intelligent, the safety and reliability of charging facilities are remarkably improved, and powerful guarantee is provided for popularization and development of electric automobiles.

Description

Technical Field

[0001] The present invention relates to the technical field of electric power monitoring, and in particular to a charging load detection device. Background Art

[0002] With the popularity of electric vehicles, the safety and reliability of charging facilities have become the focus of attention. Traditional charging load detection devices often have problems such as low monitoring accuracy, slow response speed, and complex installation, and cannot meet the needs of modern charging facilities for efficiency, intelligence, and safety. In particular, traditional technologies are unable to cope with the current and voltage monitoring and the identification of abnormal power consumption behavior.

[0003] In addition, charging facilities generate a lot of heat during operation. If the heat dissipation is poor, it may cause the equipment to overheat, which in turn causes safety problems. Therefore, real-time monitoring of the temperature of charging facilities is also essential.

[0004] In response to the above problems, the present invention proposes a charging load detection device, which integrates multiple functions such as high-precision current monitoring, voltage division measurement, real-time temperature monitoring and intelligent control, aiming to improve the safety and reliability of charging facilities and reduce the risk of safety accidents such as fire caused by abnormal electricity usage. Summary of the invention

[0005] The purpose of the present invention is to solve the defects in the prior art and to propose a charging load detection device.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A charging load detection device comprises a box body, wherein a box door is movably installed on the front of the box body, and is characterized in that two wiring assemblies are fixedly installed on the top of the box body, the bottom ends of the two wiring assemblies extend into the interior of the box body, and a connecting line is connected between the bottom ends of the two wiring assemblies;

[0008] A current transformer is fixedly installed on the upper rear side of the box, and the connecting line passes through the current transformer;

[0009] A data collector and a controller are fixed to the rear side of the box body, the data collector is electrically connected to the controller, and the current transformer is electrically connected to the data collector.

[0010] Furthermore, it also includes a temperature sensor, which is located outside the box and is electrically connected to the data collector.

[0011] Furthermore, a grid plate is fixedly installed between the left and right sides inside the box body, a voltage divider is fixedly installed on the top of the grid plate, an input end of the voltage divider is connected to a measuring line, the measuring line is electrically connected to one of the two wiring assemblies, and the voltage divider is electrically connected to the controller.

[0012] Furthermore, the wiring assembly includes an insulating frame, a conductive block is fixedly installed in the middle of the inner side of the insulating frame, the upper and lower sides inside the insulating frame are separated into wiring slots by the conductive block, a screw is threadedly installed on the top end of the insulating frame, an electric push rod is fixedly installed on the bottom end of the insulating frame, the output end of the electric push rod and one end of the screw extend to the interior of the two wiring slots respectively and are installed with a conductive voltage plate.

[0013] Furthermore, two ends of the connecting line are respectively located inside the wiring grooves at the bottom ends of the two wiring assemblies, and the top end of the measuring line is located inside the wiring groove corresponding to the bottom end of the wiring assembly.

[0014] Furthermore, a filter is fixedly installed between the two sides inside the box, the filter is located below the grid plate, a plurality of fans are fixedly installed at equal intervals on the top of the filter, and ventilation grooves are provided above and below the left and right sides of the box.

[0015] Furthermore, an isolation box is movably installed on the top of the box body, the two wiring assemblies are located on the inner side of the isolation box, and through holes are opened below the left and right sides of the isolation box.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. High-precision current monitoring: The present invention adopts a current transformer based on the Hall effect principle, which can monitor the current passing through the charging line in real time and provide accurate data support for the identification of abnormal power consumption behavior.

[0018] 2. Voltage divider measurement: Through the voltage divider, the present invention can accurately measure the voltage in the charging circuit, further improve the monitoring data of the charging load, and improve the comprehensiveness of the monitoring.

[0019] 3. Real-time temperature monitoring: The present invention is equipped with a temperature sensor, which can monitor the temperature changes of the charging facilities in real time and effectively prevent safety problems caused by overheating.

[0020] 4. Intelligent control and early warning: The controller has wireless communication function, which can transmit monitoring data to the external management platform in real time through the Internet of Things technology. The management platform combines big data analysis and artificial intelligence algorithms to identify abnormal power consumption behavior in real time, issue early warning signals in time, remotely cut off the charging power supply, and prevent accidents such as electrical fires.

[0021] 5. Good heat dissipation and dust-proof design: The box is equipped with a fan and filter, which not only ensures the heat dissipation effect of the equipment, but also effectively reduces the accumulation of dust and extends the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the internal structure of the present invention;

[0025] Figure 3 For the present invention Figure 2 The enlarged view of point A in the middle;

[0026] Figure 4 It is a three-dimensional diagram of the wiring assembly of the present invention.

[0027] In the figure: 1. Box body; 2. Box door; 3. Temperature sensor; 4. Isolation box; 5. Data acquisition device; 6. Controller; 7. Filter; 8. Fan; 9. Grid plate; 10. Voltage divider; 11. Measuring line; 12. Wiring assembly; 13. Ventilation groove; 14. Connecting line; 15. Current transformer; 16. Wiring groove; 17. Conductive plate; 18. Screws; 19. Electric push rod; 20. Conductive block; 21. Insulation frame. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention;

[0029] Reference Figure 1-4 A charging load detection device comprises a box body 1, a box door 2 is movably installed on the front of the box body 1, two wiring assemblies 12 are fixedly installed on the top of the box body 1, the bottom ends of the two wiring assemblies 12 extend to the inside of the box body 1, and a connecting line 14 is connected between the bottom ends of the two wiring assemblies 12;

[0030] The device can be connected to the charging circuit through two wiring components 12 and a connecting line 14. The current can pass through the connecting line 14. A current transformer 15 is fixedly installed on the upper rear side of the box 1. The connecting line 14 passes through the current transformer 15. The current transformer 15 adopts the Hall effect principle and can measure the current passing through the connecting line 14.

[0031] A data collector 5 and a controller 6 are fixed to the rear side of the box 1. The data collector 5 is electrically connected to the controller 6, and a current transformer 15 is electrically connected to the data collector 5. The current data collected by the current transformer 15 can be transmitted to the data collector 5. The data collector 5 can process the collected data and transmit it to the controller 6. The controller 6 has a wireless communication function and can transmit the monitoring data to an external management platform in real time through the Internet of Things technology. The management platform can combine the existing big data analysis and artificial intelligence algorithms to conduct real-time analysis of the monitoring data and identify abnormal power consumption behaviors, such as short circuits, leakage, overloads, etc. Once an abnormality is found, the existing management platform can issue a warning signal in time, remotely cut off the charging power through the controller 6, and prevent accidents such as electrical fires. This real-time monitoring and early warning mechanism greatly improves the safety and reliability of charging facilities.

[0032] It also includes a temperature sensor 3, which is located on the outside of the box 1 and is electrically connected to the data collector 5. The temperature sensor 3 can be installed next to the charging facility to monitor the temperature changes of the charging facility in real time and prevent safety problems caused by overheating.

[0033] A grid plate 9 is fixedly installed between the left and right sides of the box 1, and a voltage divider 10 is fixedly installed on the top of the grid plate 9. The input end of the voltage divider 10 is connected to a measuring line 11, and the measuring line 11 is electrically connected to one of the two wiring components 12. The voltage divider 10 is electrically connected to the controller 6. The voltage divider 10 can measure the voltage in the charging circuit through the measuring line 11, and the data information can be processed by the data collector 5 and then transmitted to the controller 6.

[0034] The wiring assembly 12 includes an insulating frame 21, a conductive block 20 is fixedly installed in the middle of the inner side of the insulating frame 21, the upper and lower sides of the insulating frame 21 are divided into wiring slots 16 by the conductive block 20, the top of the insulating frame 21 is threaded with a screw 18, and the bottom of the insulating frame 21 is fixedly installed with an electric push rod 19, and the output end of the electric push rod 19 and one end of the screw 18 extend to the inside of the two wiring slots 16 respectively and are installed with a conductive voltage plate 17. The two ends of the connecting line 14 are respectively located inside the wiring slots 16 at the bottom of the two wiring assemblies 12, and the top of the measuring line 11 is located inside the wiring slot 16 at the bottom of the corresponding wiring assembly 12.

[0035] The staff can rotate the screw 18 to drive the conductive plate 17 to fix the wires of the charging circuit inside the wiring slot 16 above the insulating frame 21, and control the two electric push rods 19 through the controller 6 to push the corresponding conductive plate 17 to fix one end of the connecting line 14 inside the wiring slot 16 below the insulating frame 21; the device can be connected to the charging circuit;

[0036] When it is necessary to cut off the power to the charging device at the rear, the controller 6 can control the electric push rod 19 to drive the conductive voltage plate 17 to move downward, and the connecting line 14 falls under the action of gravity, and the two ends of the connecting line 14 are detached from the wiring slot 16, so that the charging device can be cut off.

[0037] A filter screen 7 is fixedly installed between the two sides inside the box body 1, and the filter screen 7 is located below the grid plate 9. A plurality of fans 8 are fixedly installed at equal intervals on the top of the filter screen 7. Ventilation grooves 13 are provided above and below the left and right sides of the box body 1.

[0038] After the fan 8 is started, it can blow air to the inside of the box 1 to dissipate heat. The outside air can enter from the ventilation groove 13 below, and the air inside the box 1 can be discharged from the ventilation groove 13 above. The grid plate 9 can ensure the normal circulation of air, and the filter screen 7 can filter the air, greatly reducing the accumulation of dust inside the box 1.

[0039] An isolation box 4 is movably installed on the top of the box body 1, and two wiring components 12 are located on the inner side of the isolation box 4. Through holes are opened below the left and right sides of the isolation box 4; the isolation box 4 can protect and isolate the two wiring components 12 to avoid electric shock.

Claims

1. A charging load detection device, comprising a box body (1), wherein a box door (2) is movably mounted on the front of the box body (1), characterized in that: Two wiring assemblies (12) are fixedly mounted on the top of the box (1), the bottom ends of the two wiring assemblies (12) extend into the interior of the box (1), and a connecting line (14) is connected between the bottom ends of the two wiring assemblies (12); A current transformer (15) is fixedly installed on the upper rear side of the box body (1), and the connecting line (14) passes through the current transformer (15); A data collector (5) and a controller (6) are fixed to the rear side of the box (1); the data collector (5) is electrically connected to the controller (6); and the current transformer (15) is electrically connected to the data collector (5).

2. A charging load detection device according to claim 1, characterized in that: It also comprises a temperature sensor (3), wherein the temperature sensor (3) is located outside the box (1), and the temperature sensor (3) is electrically connected to the data collector (5).

3. A charging load detection device according to claim 1, characterized in that: A grid plate (9) is fixedly installed between the left and right sides of the box body (1), a voltage divider (10) is fixedly installed on the top of the grid plate (9), an input end of the voltage divider (10) is connected to a measuring line (11), the measuring line (11) is electrically connected to one of the two wiring assemblies (12), and the voltage divider (10) is electrically connected to the controller (6).

4. A charging load detection device according to claim 3, characterized in that: The wiring assembly (12) comprises an insulating frame (21), a conductive block (20) is fixedly mounted in the middle of the inner side of the insulating frame (21), the upper and lower sides of the inner side of the insulating frame (21) are divided into wiring slots (16) by the conductive block (20), a screw (18) is threadedly mounted on the top end of the insulating frame (21), an electric push rod (19) is fixedly mounted on the bottom end of the insulating frame (21), the output end of the electric push rod (19) and one end of the screw (18) respectively extend to the inside of the two wiring slots (16) and are mounted with a conductive voltage plate (17).

5. A charging load detection device according to claim 4, characterized in that: The two ends of the connecting line (14) are respectively located inside the wiring grooves (16) at the bottom ends of the two wiring assemblies (12), and the top end of the measuring line (11) is located inside the wiring grooves (16) at the bottom ends of the corresponding wiring assemblies (12).

6. A charging load detection device according to claim 3, characterized in that: A filter screen (7) is fixedly installed between the two sides of the box body (1), and the filter screen (7) is located below the grid plate (9). A plurality of fans (8) are fixedly installed at equal intervals on the top of the filter screen (7). Air permeable grooves (13) are provided above and below the left and right sides of the box body (1).

7. A charging load detection device according to claim 1, characterized in that: An isolation box (4) is movably mounted on the top of the box body (1), the two wiring assemblies (12) are both located inside the isolation box (4), and through holes are provided below the left and right sides of the isolation box (4).

Images