Split type direct current charging pile online verification module

Abstract

The utility model relates to a split type DC charging pile on-line verification module. The device comprises a main body and at least two split bodies which are in signal connection with the main body. The split body comprises a shell, a current transformer and a sampling processing plate; the shell is provided with a through hole used for installing the current transformer, and the sampling processing board is arranged in the shell and used for collecting induction current of the current transformer and transmitting a current signal to the main body. According to the utility model, the power panel, the control panel, the communication board and other data processing parts are integrated in the main body; acquisition parts such as a current transformer and a sampling processing board are independently arranged into split bodies, according to the split type design, only one main body needs to be installed on site, two charging guns of the same charging pile can be connected into the split bodies at the same time, the installation workload is reduced, meanwhile, due to the fact that internal components of the split bodies are reduced, the size can be reduced, and cost is reduced. And installation in the charging pile with a narrow interior is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of online calibration of charging piles, in particular to an online calibration module of a split type direct current charging pile. Background Art

[0002] With the rise of the electric vehicle market, its supporting DC charging piles are also deployed in large numbers on the market. In order to ensure that DC charging piles provide stable, reliable and safe charging services for electric vehicles, the car charging piles need to be calibrated during use. At present, there are online calibration modules for electric vehicle charging piles, which integrate all components in a larger package shell and are installed according to the position of the charging gun on the charging pile. However, there are many DC charging piles with dual charging guns or even multiple charging guns on the market. The use of traditional calibration modules requires separate installation for each charging gun, which not only reduces the efficiency of on-site installation, but also installs multiple calibration modules on a single charging pile. It undoubtedly increases the cost. Utility Model Content

[0003] Based on this, it is necessary to provide a split-type DC charging pile online calibration module to address the problem that multiple traditional calibration modules need to be installed on a DC charging pile with multiple charging guns, thereby reducing work efficiency and increasing costs.

[0004] A split type DC charging pile online calibration module comprises a main body and at least two split bodies connected to the main body signal; the split bodies comprise a shell, a current transformer and a sampling and processing board; the shell is provided with a through hole for installing the current transformer, the sampling and processing board is arranged in the shell, and is used to collect the induced current of the current transformer and transmit the current signal to the main body.

[0005] As a preferred example, the shell includes a box body and a cover plate matching the opening of the box body, the box body is provided with a through hole, a limit sleeve coaxial with the through hole is connected to the inside of the box body, a first mounting plate is connected to one side of the box body, a second mounting plate is commonly connected between the box body and the first mounting plate, and mounting holes are provided on both the first mounting plate and the second mounting plate.

[0006] As a preferred example, the current transformer is mounted on a limiting sleeve, and the sampling and processing board is connected to the box body.

[0007] As a preferred example, the first mounting plate and the second mounting plate are arranged perpendicular to each other.

[0008] As a preferred example, the outer contour of the box body is provided with a space-avoiding groove, and the space-avoiding groove corresponds to the mounting hole on the second mounting plate.

[0009] As a preferred example, the cover plate is provided with a second through hole coaxial with the limiting sleeve and a wire hole for threading.

[0010] As a preferred example, the number of the split bodies is set to two.

[0011] As a preferred example, the main body and the sub-body are connected by signals via a flexible connecting line.

[0012] As a preferred example, the main body includes a communication board for transmitting data to an external device.

[0013] As a preferred example, the box body is also connected with a temperature sensor for detecting the temperature inside the box body.

[0014] The beneficial effects of the utility model are as follows: the utility model integrates data processing parts such as the power board, control board, and communication board into the main body; the acquisition parts such as the current transformer and the sampling processing board are separately arranged in the split body. The split design only requires the installation of one main body on site, and the two charging guns of the same charging pile can be connected to the split body at the same time, thereby reducing the installation workload. At the same time, the split body can reduce the volume due to the reduction of internal components, making it easier to install in a narrow charging pile. Compared with the integral calibration module in which each charging gun needs to be installed separately, the cost of the calibration module is also saved, and the capital cost investment in the measurement and communication of the online calibration module is saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the online verification module of the split DC charging pile;

[0016] Figure 2 This is a schematic diagram of the structure of the split shell in the split DC charging pile online verification module.

[0017] In the figure: main body 1, split body 2, box body 21, cover plate 22, limit sleeve 23, first mounting plate 24, second mounting plate 25, wire 3. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] It should be noted that when a component is referred to as being "mounted on" another component, it may be directly on the other component or there may be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a central component at the same time. When a component is considered to be "fixed to" another component, it may be directly fixed on the other component or there may be a central component at the same time.

[0020] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "or / and" used herein includes any and all combinations of one or more related listed items.

[0022] Please refer to Figure 1 In this embodiment, a split type DC charging pile online verification module is proposed, which includes a main body 1 and two split bodies 2. The main body 1 includes a shell, and a corresponding power board, a control board and a communication board are installed in the shell. The two split bodies 2 have the same structure. Taking one of the split bodies 2 as an example, it includes a shell, a current transformer and a sampling and processing board. Specifically, as Figure 2As shown, the housing includes a box body 21 and a cover plate 22 matching the opening of the box body 21. In this embodiment, a through hole 1 is provided on the box body 21, and a limit sleeve 23 coaxial with the through hole is connected inside the box body 21. The current transformer is arranged in the box body 21 and fixedly sleeved on the limit sleeve 23. A first mounting plate 24 is fixedly connected to the bottom of the box body 21. The plate surface direction of the first mounting plate 24 is perpendicular to the axial direction of the limit sleeve 23. A second mounting plate 25 is commonly connected between the box body 21 and the first mounting plate 24. The plate surface direction of the second mounting plate 25 is perpendicular to the plate surface direction of the first mounting plate 24 and parallel to the axial direction of the limit sleeve 23. The second mounting plate 25 can be symmetrically arranged on both sides of the box body 21. Mounting holes are provided on the first mounting plate 24 and the second mounting plate 25 for fixedly mounting the box body 21. The design of the above-mentioned first mounting plate and the second mounting plate 25 can make the installation of the split 2 more flexible. Especially in charging piles with narrow internal space, the flexibly installed split body 2 makes it easier to adjust the direction of the current transformer, which is convenient for the calibration of the charging gun. The sampling and processing board is also fixedly connected to the box body 21. A through hole 2 coaxial with the limit sleeve 23 and a wire hole for threading are provided on the cover plate 22. Through hole 1 corresponds to through hole 2, and the cover plate 22 can be fixedly connected to the box body 21 by means of sealant or screws, so that the box body 21 becomes a closed or semi-enclosed space to reduce the intrusion of dust. A soft wire 3 can be passed through the wire hole, one end of the wire 3 is connected to the sampling and processing board through a wiring terminal, and the other end is connected to the control board on the main body 1 through a wiring terminal, so as to transmit the current signal collected by the sampling and processing board to the main body 1. The main body 1 can transmit the charging process data of the charging gun to the external receiving device in real time through 485 / 4G communication.

[0023] In another embodiment, the outer contour of the box body 21 is provided with an air-avoiding groove. The air-avoiding groove corresponds to the mounting hole on the second mounting plate 25, preventing the box body 21 from blocking the installation of screws and bolts in the mounting hole. The provision of the air-avoiding groove can make the entire housing design more compact and reduce the space occupied. In another embodiment, on the basis of the above-mentioned verification module, a temperature sensor for detecting the temperature in the box body 21 is also fixedly connected to the box body 21, and the data input end of the temperature sensor is connected to the sampling and processing board, and the measured temperature signal is also sent to the main body 1 through the sampling and processing board and the wire 3.

[0024] In summary, the split-type DC charging pile online calibration module proposed in the utility model is compared with the traditional integrated calibration module. This technical solution sets the components such as the power board, control board, communication board, current transformer, sampling and processing board, etc. in a split 2. The data processing parts such as the power board, control board, and communication board are integrated in the main body 1. The acquisition parts such as the current transformer and the sampling and processing board are separately set as a split 2. Through this split design, only one main body 1 needs to be installed on site, and the two charging guns of the same charging pile can be connected to the split 2 at the same time (the cable of the charging gun passes through the limit sleeve 23, and the current transformer and the cable in the charging gun cable are mutually inducted for calibration), so that the installation workload is reduced. At the same time, due to the reduction of internal components, the split 2 can reduce the volume and is more convenient for installation in the narrow internal charging pile. The utility model adopts a one-to-two structure. Compared with the integral calibration module that each charging gun needs to be installed separately in the past, it also saves the cost of the calibration module and saves the capital cost investment in the measurement and communication of the online calibration module.

[0025] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0026] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A split type DC charging pile online verification module, characterized in that: It comprises a main body (1) and at least two sub-bodies (2) connected to the main body (1) by signals; the sub-bodies (2) comprise a housing, a current transformer and a sampling and processing board; the housing is provided with a through hole for installing the current transformer, the sampling and processing board is arranged in the housing, and is used to collect the induced current of the current transformer and transmit the current signal to the main body (1).

2. The split type DC charging pile online verification module according to claim 1 is characterized in that: The shell comprises a box body (21) and a cover plate (22) matched with an opening of the box body (21); the box body (21) is provided with a through hole; a limit sleeve (23) coaxial with the through hole is connected inside the box body (21); a first mounting plate (24) is connected to one side of the box body (21); a second mounting plate (25) is commonly connected between the box body (21) and the first mounting plate (24); and mounting holes are provided on both the first mounting plate (24) and the second mounting plate (25).

3. The split type DC charging pile online verification module according to claim 2 is characterized in that: The current transformer is sleeved on the limiting sleeve (23), and the sampling and processing board is connected in the box body (21).

4. The split type DC charging pile online verification module according to claim 2 is characterized in that: The first mounting plate (24) and the second mounting plate (25) are arranged perpendicular to each other.

5. The split type DC charging pile online verification module according to claim 4 is characterized in that: The outer contour of the box body (21) is provided with a clearance groove, and the clearance groove corresponds to the mounting hole on the second mounting plate (25).

6. The split type DC charging pile online verification module according to claim 2 is characterized in that: The cover plate (22) is provided with a second through hole coaxial with the limiting sleeve (23) and a wire hole for threading a wire.

7. The split type DC charging pile online verification module according to claim 1 is characterized in that: The number of the split bodies (2) is set to two.

8. The split type DC charging pile online verification module according to claim 1, characterized in that: The main body (1) and the sub-body (2) are connected by signals via a flexible connection line.

9. The split type DC charging pile online verification module according to claim 1, characterized in that: The main body (1) includes a communication board for transmitting data to an external device.

10. The split type DC charging pile online verification module according to claim 2, characterized in that: The box body (21) is also connected to a temperature sensor for detecting the temperature inside the box body (21).

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