PCS module with current detection and voltage detection functions

Abstract

The utility model discloses a PCS module with current detection and voltage detection functions, which belongs to the field of PCS modules, and comprises a casing, a rear panel fixedly connected to the rear end of the casing, a current and voltage detection terminal fixedly connected to the rear end of the rear panel, and a current and voltage detection module fixedly connected to the rear end of the current and voltage detection terminal. The key points of the technical scheme are as follows: the current and voltage detection terminal is connected to the detection plate by using a cable through the cooperation of the current and voltage detection terminal, the power terminals and the detection plate, so that a mutual inductor is connected to the current and voltage detection terminal, and the detection plate is connected with the power terminals. Compared with the prior art, the PCS can automatically detect the current and the voltage, external equipment does not need to be added, in practical application, hardware input is reduced, the structure of the system is simplified, the reliability and the stability of the system are improved, meanwhile, installation and maintenance are facilitated through the simple connection mode, and the difficulty and the cost of engineering implementation are reduced.

Description

Technical Field

[0001] The utility model relates to the field of PCS modules, and more particularly to a PCS module with current detection and voltage detection functions. Background Art

[0002] A power storage converter (PCS) is a charging and discharging device that controls the charging and discharging process of a battery. It is capable of converting AC to DC and can directly supply power to AC loads without a power grid. Its main function is to achieve energy exchange between the battery and the power grid, and to control and manage the charging and discharging of the battery.

[0003] However, the PCS module in the prior art does not have its own current detection and voltage detection functions and needs to be connected to an external meter and detected through EMS feedback. This is inconvenient to use on site and requires external equipment, which increases system costs.

[0004] Therefore, to address the above problems, a PCS module with current detection and voltage detection functions is proposed. Utility Model Content

[0005] In order to overcome the shortcomings of the existing technology, the purpose of the present invention is to provide a PCS module with current detection and voltage detection functions. By coordinating the current and voltage detection terminals, power terminals, and a detection board, the current and voltage detection terminals are connected to the detection board using cables so that the mutual inductor can be connected to the current and voltage detection terminals, thereby realizing automatic current and voltage detection by the PCS without adding external equipment, thereby reducing system costs.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions:

[0007] A PCS module with current detection and voltage detection functions includes a housing, a rear panel fixedly connected to the rear end of the housing, a current and voltage detection terminal fixedly connected to the rear end of the rear panel, and a pair of power terminals fixedly connected to the rear end of the rear panel and located on the left side of the current and voltage detection terminals.

[0008] Reference Figure 2 As shown, a fan is fixedly connected to the front end of the housing, and a front panel is installed at the front end of the housing and in front of the fan.

[0009] The front panel is fixedly connected to the housing, a pair of handles are fixedly connected to the front end of the front panel, and a hanging ear is fixedly connected to the front end of the front panel and located above the handles.

[0010] An upper cover is fixedly connected to the top of the housing and located at the top of the rear panel and the top of the front panel.

[0011] A radiator is fixedly connected inside the housing, an inductor plate is fixedly connected to the rear side of the radiator and inside the housing, and a pair of centering plates are fixedly connected to the rear side of the inductor plate and inside the housing.

[0012] Reference Figure 3 As shown, a copper busbar assembly is fixedly connected to the interior of the casing and above the middle plate, an auxiliary source board is fixedly connected to the left side of the copper busbar assembly and inside the casing, a balancing module is fixedly connected to the left side of the auxiliary source board and inside the casing, and an air guide cover is fixedly connected above the balancing module and at the front end of the rear panel.

[0013] A detection board is fixedly connected to the left side of the air guide cover and located inside the casing, and a capacitor board is fixedly connected to the front end of the detection board and located at the rear end of the front panel. The capacitor boards are electrically connected to the radiator and the middle plate.

[0014] In summary, the present invention has the following beneficial effects:

[0015] (1) This solution uses cables to connect the current and voltage detection terminals to the detection board through the coordination between the current and voltage detection terminals, power terminals, and detection boards, so that the transformer can be connected to the current and voltage detection terminals, thereby realizing automatic detection of current and voltage by the PCS without adding external equipment. In practical applications, it not only reduces hardware investment, but also simplifies the system structure and improves the reliability and stability of the system. At the same time, this simple connection method is also easy to install and maintain, reducing the difficulty and cost of project implementation.

[0016] (2) This solution reduces the number of external devices connected, reduces potential failure points, improves system reliability and stability, and is more convenient and quick in terms of maintenance, reducing maintenance costs and time;

[0017] (3) This solution makes full use of existing terminal and board resources, realizes the automatic detection function of current and voltage, and avoids waste of resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Schematic diagram of the overall structure of this embodiment;

[0019] Figure 2 This is a schematic diagram of the overall split structure in this embodiment;

[0020] Figure 3 It is a schematic diagram of the internal structure of this embodiment.

[0021] In the figure, 1. Mounting ear; 2. Handle; 3. Front panel; 4. Casing; 5. Upper cover; 6. Fan; 7. Radiator; 8. Inductor board; 9. Middle board; 10. Rear panel; 11. Copper busbar assembly; 12. Auxiliary source board; 13. Balance module; 14. Air guide cover; 15. Detection board; 16. Capacitor board; 17. Current and voltage detection terminals; 18. Power terminals. DETAILED DESCRIPTION

[0022] The present invention will be described in further detail below with reference to the accompanying drawings.

[0023] Identical components are denoted by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to directions in the accompanying drawings, and the terms "bottom," "top," "inner," and "outer" refer to directions toward or away from the geometric center of a particular component, respectively.

[0024] Reference Figure 1 As shown, a PCS module with current detection and voltage detection functions in a preferred embodiment of the present invention includes a housing 4, a rear panel 10 is fixedly connected to the rear end of the housing 4, a current and voltage detection terminal 17 is fixedly connected to the rear end of the rear panel 10, and a pair of power terminals 18 are fixedly connected to the rear end of the rear panel 10 and on the left side of the current and voltage detection terminal 17.

[0025] Reference Figure 2 As shown, a fan 6 is fixedly connected to the front end of the housing 4 , and a front panel 3 is installed at the front end of the housing 4 and in front of the fan 6 .

[0026] The front panel 3 is fixedly connected to the housing 4 . A pair of handles 2 are fixedly connected to the front end of the front panel 3 . A hanging ear 1 is fixedly connected to the front end of the front panel 3 and above the handles 2 .

[0027] An upper cover plate 5 is fixedly connected to the top of the housing 4 and located at the top of the rear panel 10 and the front panel 3 .

[0028] A heat sink 7 is fixedly connected to the inside of the casing 4 , an inductor plate 8 is fixedly connected to the rear side of the heat sink 7 and located inside the casing 4 , and a pair of centering plates 9 are fixedly connected to the rear side of the inductor plate 8 and located inside the casing 4 .

[0029] Reference Figure 3 As shown, a copper busbar assembly 11 is fixedly connected to the interior of the housing 4 and above the middle plate 9. An auxiliary source board 12 is fixedly connected to the left side of the copper busbar assembly 11 and located inside the housing 4. A balancing module 13 is fixedly connected to the left side of the auxiliary source board 12 and located inside the housing 4. An air guide cover 14 is fixedly connected above the balancing module 13 and located at the front end of the rear panel 10.

[0030] The air guide cover 14 covers the balancing module 13 to form an air duct for dissipating heat from the balancing module 13 and the upper layer.

[0031] A detection board 15 is fixedly connected to the left side of the air guide cover 14 and located inside the housing 4. A capacitor plate 16 is fixedly connected to the front end of the detection board 15 and located at the rear end of the front panel 3. The capacitor plate 16 is electrically connected to the radiator 7 and the middle plate 9.

[0032] The current and voltage detection terminals 17 are connected to the detection board 15 through cables so that the mutual inductor is connected to the current and voltage detection terminals 17 to realize automatic detection of current and voltage by the PCS.

[0033] Specific implementation process: First, install the fan 6 on the casing 4 through the fan bracket, assemble the radiator 7, the middle plate 9, and the capacitor plate 16 together to make a capacitor plate assembly and install it in the casing 4, assemble the handle 2, the ear 1, and the front panel 3 together with screws and install them on the casing 4; lock the inductor plate 8 on the casing 4 with a combination screw, install the copper busbar assembly 11, and then install the rear panel, power terminal 18, auxiliary source board 12, detection board 15, and balancing module 13, and cover the balancing module 13 with the wind guide 14 to form an air duct for dissipating heat to the balancing module 13 and the upper layer; Install the copper busbar assembly 11, connecting cables, etc., and then use cables to connect the current and voltage detection terminals 17 to the detection board 15 so that the mutual inductor is connected to the current and voltage detection terminals 17, realizing the PCS automatic detection of current and voltage. Finally, cover the upper cover 5 and tighten the screws to complete the assembly of the entire structure. By utilizing the coordination between the current and voltage detection terminals 17, the power terminals 18 and the detection board 15, only use cables to connect the current and voltage detection terminals 17 to the detection board 15, so that the mutual inductor can be smoothly connected to the current and voltage detection terminals 17, thereby realizing the function of the PCS automatic detection of current and voltage.

[0034] Compared with traditional detection schemes, which require additional external equipment to realize current and voltage detection, increasing hardware costs, occupying more space, and increasing system complexity, this application adopts the combination of internal terminals and board cards, without the introduction of external equipment, greatly reducing the cost and complexity of the system; from the perspective of engineering implementation, it reduces the workload and difficulty during the installation process and improves installation efficiency. At the same time, since the connection of external equipment is reduced, the potential failure points are reduced, and the reliability and stability of the system are improved. In terms of maintenance, it is also more convenient and quick, reducing maintenance costs and time, and making full use of existing terminal and board resources to realize the automatic detection function of current and voltage, avoiding waste of resources.

[0035] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A PCS module with current detection and voltage detection functions, characterized by: The invention comprises a housing (4), the rear end of the housing (4) is fixedly connected to a rear panel (10), the rear end of the rear panel (10) is fixedly connected to a current and voltage detection terminal (17), and a pair of power terminals (18) are fixedly connected to the rear end of the rear panel (10) and located on the left side of the current and voltage detection terminal (17).

2. The PCS module with current detection and voltage detection functions according to claim 1, characterized in that: The front end of the housing (4) is fixedly connected to a fan (6), and a front panel (3) is installed at the front end of the housing (4) and in front of the fan (6).

3. The PCS module with current detection and voltage detection functions according to claim 2, characterized in that: The front panel (3) is fixedly connected to the housing (4); a pair of handles (2) are fixedly connected to the front end of the front panel (3); and a hanging ear (1) is fixedly connected to the front end of the front panel (3) and located above the handles (2).

4. The PCS module with current detection and voltage detection functions according to claim 3, characterized in that: An upper cover plate (5) is fixedly connected to the top of the housing (4) and located at the rear panel (10) and the top of the front panel (3).

5. The PCS module with current detection and voltage detection functions according to claim 4, characterized in that: A heat sink (7) is fixedly connected to the interior of the housing (4); an inductor plate (8) is fixedly connected to the rear side of the heat sink (7) and located inside the housing (4); and a pair of centering plates (9) are fixedly connected to the rear side of the inductor plate (8) and located inside the housing (4).

6. The PCS module with current detection and voltage detection functions according to claim 5, characterized in that: A copper busbar assembly (11) is fixedly connected inside the casing (4) and located above the middle plate (9); an auxiliary source board (12) is fixedly connected on the left side of the copper busbar assembly (11) and located inside the casing (4); a balancing module (13) is fixedly connected on the left side of the auxiliary source board (12) and located inside the casing (4); and an air guide cover (14) is fixedly connected above the balancing module (13) and located at the front end of the rear panel (10).

7. The PCS module with current detection and voltage detection functions according to claim 6, characterized in that: A detection plate (15) is fixedly connected to the left side of the air guide cover (14) and located inside the housing (4); a capacitor plate (16) is fixedly connected to the front end of the detection plate (15) and located at the rear end of the front panel (3); and the capacitor plate (16) is electrically connected to the radiator (7) and the middle plate (9).

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