Digital energy network card device

Abstract

The utility model provides a digital energy network card device, comprising an IGBT packaging module, a digital energy network card and a network card housing, the digital energy network card and the IGBT packaging module are connected together, the digital energy network card is provided with a wiring port structure, the wiring port structure is used for external wiring of the digital energy network card device, and the network card housing is provided with a wiring port. The network card housing covers the digital energy network card; according to the digital energy network card device, an IGBT packaging module structure is adopted, the structure is simple and compact, the overall size is small, the production and manufacturing process is simplified, installation and maintenance are convenient, larger rated current and rated voltage can be borne, the digital energy network card device can be flexibly applied to a high-voltage digital energy storage battery cluster system, and compatibility is high.

Description

Technical Field

[0001] The utility model relates to the technical field related to power electronics, and in particular to a digital energy network card device. Background Art

[0002] New energy storage is an important technology and basic equipment supporting the new power system. It is of great significance to promote green energy transformation, respond to extreme events, ensure energy security, promote high-quality energy development, and support the realization of climate change goals.

[0003] As a key device in the digital energy exchange system of new energy storage, the digital energy network card is the driving switch of the dynamically reconfigurable battery cluster energy unit. It can perform high-speed control and data acquisition on it, and respond to the command configuration of the digital energy hub. Patent CN114256937A discloses an energy network card device for digital energy processing. The energy network card includes multiple MOSFETs, resulting in a complex structure, a large number of components, a large overall volume, and a complex production process. At the same time, there are also disadvantages such as excessive system heat and a small rated current of the equipment, which seriously affects the development of new energy storage. Utility Model Content

[0004] In view of this, the utility model aims to propose a digital energy network card device to solve the problems of complex structure, large number of parts, large overall size, complex production process and small rated current of digital energy network cards in the prior art.

[0005] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0006] A digital energy network card device comprises an IGBT packaging module, a digital energy network card and a network card cover, wherein the digital energy network card and the IGBT packaging module are connected together, the digital energy network card is provided with a wiring port structure, the wiring port structure is used for external wiring of the digital energy network card device, and the network card cover is provided on the digital energy network card.

[0007] The digital energy network card device described in the present application adopts an IGBT packaging module structure, which has a simple and compact structure, a small overall volume, a simplified production and manufacturing process, and is easy to install and maintain. It can withstand a larger rated current and rated voltage, and can be flexibly applied to high-voltage digital energy storage battery cluster systems with high compatibility.

[0008] Furthermore, the digital energy network card includes a driving circuit board and a power circuit board, the driving circuit board is plugged into the power circuit board, the wiring port structure is located between the driving circuit board and the power circuit board, and the wiring port structure is installed on the power circuit board through a connector.

[0009] This arrangement makes the connection between the driver circuit board and the power circuit board flexible and convenient, and also facilitates external wiring.

[0010] Furthermore, the wiring port structure includes a positive copper bar, a negative copper bar and a bypass copper bar, and the negative copper bar, the bypass copper bar and the positive copper bar are arranged on the upper end of the power circuit board from left to right, and the positive copper bar and the negative copper bar are located on the rear side of the bypass copper bar.

[0011] The positive copper busbar and the negative copper busbar are located at the rear side of the bypass copper busbar, which is safe and reliable. It is convenient for the installation to connect the copper busbars inside the energy storage system, and can also effectively avoid crossing and confusion during wiring, thus improving the reliability and safety of wiring.

[0012] Further, the power circuit board is provided with a Hall sensor, the cross section of the Hall sensor is U-shaped, the opening is upward, the Hall sensor includes a first Hall sensor and a second Hall sensor, the positive copper bar is located in the opening of the first Hall sensor, and the negative copper bar is located in the opening of the second Hall sensor;

[0013] The driving circuit board is provided with a Hall sensor for measuring the current and voltage parameters of the main circuit. The Hall sensor includes a first Hall sensor and a second Hall sensor. The first Hall sensor is located on the upper side of the first Hall induction element, and the second Hall sensor is located on the upper side of the second Hall induction element.

[0014] The U-shaped cross-section of the Hall sensor opens upward, which is convenient for installing the positive copper busbar and the negative copper busbar. The corresponding Hall sensor is arranged on the driving circuit board, which can not only measure the current and voltage parameters of the main circuit, thereby realizing the monitoring and control of the circuit, but also improve the accuracy and reliability of the measurement.

[0015] Furthermore, insulating paper is provided between the driving circuit board and the power circuit board for insulation between the driving circuit board and the power circuit board.

[0016] This setting can effectively isolate the current and signals between the driver circuit board and the power circuit board, prevent short circuits and interference, and reduce the electrical contact between the driver circuit board and the power circuit board, reducing the risk of circuit failure.

[0017] Furthermore, the IGBT packaging module is provided with a positive electrode welding pin, a negative electrode welding pin, a bypass welding pin and a control welding pin, the positive electrode welding pin, the negative electrode welding pin and the bypass welding pin are respectively welded to the power circuit board, the positive electrode copper bus, the negative electrode copper bus and the bypass copper bus in a one-to-one correspondence, and the control welding pin is connected to the driving circuit board through the circuit of the power circuit board, so as to control the conduction and shutdown of the power device.

[0018] This setting enables the system to have a lower impedance loop and heat power consumption, and can also reduce the energy consumption of the system and improve the efficiency, controllability and stability of the digital energy network card device.

[0019] Furthermore, the driving circuit board is provided with a light guide column, the network card cover is provided with a through hole, and the light guide column is inserted in the through hole to display the operating status of the device.

[0020] This setting can improve the visibility of the equipment and make it easier for users to monitor the operation of the equipment in real time.

[0021] Furthermore, a heat dissipation base plate is provided at the lower end of the IGBT packaging module for heat dissipation of the digital energy network card device.

[0022] This arrangement facilitates the use of the digital energy network card device in a dynamically reconfigurable high-voltage digital energy storage battery cluster system, and is also upwardly or downwardly compatible, with a wide range of applications.

[0023] Furthermore, the network card cover is provided with a snap-fit ​​structure for snapping with the left and right sides of the power circuit board.

[0024] This arrangement not only facilitates the installation and removal of the network card cover, but also improves the connection firmness of the network card cover.

[0025] Furthermore, a pressing rib is provided inside the network card cover, and the pressing rib abuts against the upper side of the driving circuit board to fix the driving circuit board.

[0026] This arrangement can improve the stability of the driver circuit board and prevent the driver circuit board from loosening or falling off when subjected to vibration, thereby reducing the risk of failure and improving the reliability of the device.

[0027] Compared with the prior art, the digital energy network card device described in the utility model has the following advantages:

[0028] 1) It adopts the IGBT package module structure, which is simple and compact, with a small overall volume, simplified production and manufacturing process, easy installation and maintenance, capable of withstanding a larger rated current and rated voltage, and can be flexibly applied to high-voltage digital energy storage battery cluster systems with high compatibility;

[0029] 2) The IGBT package module is welded together with the power circuit board and copper busbar, and the system has a lower impedance loop and heat power consumption;

[0030] 3) The stray inductance of the main circuit is reduced, making the IGBT package module more current-balanced during the turn-on or turn-off process;

[0031] 4) The positive copper busbar and the negative copper busbar are located at the rear of the bypass copper busbar, which is safe and reliable, and also convenient for copper busbar connection inside the energy storage system;

[0032] 5) The structure has strong scalability. When the drive circuit is turned on, the IGBT module will generate heat when the current passes through it. The system heat can be dissipated through the heat dissipation base plate at the bottom of the IGBT to increase the current capacity of the equipment. When the IGBT module is overcurrent, a radiator or liquid cooling circulation pipeline can be added to dissipate the heat of the equipment, which is conducive to the use of digital energy network card devices in dynamically reconfigurable high-voltage digital energy storage battery cluster systems. It can also be upward or downward compatible and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 This is a schematic diagram of the exploded structure of the digital energy network card device according to an embodiment of the utility model;

[0034] Figure 2 This is a front view of the digital energy network card device according to an embodiment of the utility model;

[0035] Figure 3 A top view of the digital energy network card device according to an embodiment of the utility model;

[0036] Figure 4 It is a side view of the digital energy network card device according to an embodiment of the utility model;

[0037] Figure 5 for Figure 3 Cross-sectional view at AA in the middle.

[0038] Description of reference numerals:

[0039] 1. IGBT packaging module; 2. Digital energy network card; 21. Driver circuit board; 210. Light guide column; 22. Power circuit board; 23. Insulation paper; 3. Network card cover; 31. Through hole; 32. Pressed rib; 4. Wiring port structure; 41. Positive copper busbar; 42. Negative copper busbar; 43. Bypass copper busbar; 5. Hall sensor; 51. First Hall sensor; 52. Second Hall sensor; 6. Hall sensor; 61. First Hall sensor; 62. Second Hall sensor; 7. Heat dissipation base plate. DETAILED DESCRIPTION

[0040] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0041] Example 1

[0042] like Figure 1-5As shown, a digital energy network card device includes an IGBT packaging module 1, a digital energy network card 2 and a network card cover 3, wherein the digital energy network card 2 and the IGBT packaging module 1 are connected together, and the digital energy network card 2 is provided with a wiring port structure 4, and the wiring port structure 4 is used for external wiring of the digital energy network card device, and the network card cover 3 is covered on the digital energy network card 2.

[0043] The digital energy network card device described in the present application adopts an IGBT packaging module 1 structure, which has a simple and compact structure, a small overall volume, a simplified production and manufacturing process, and is easy to install and maintain. It can withstand a larger rated current and rated voltage, and can be flexibly applied to a high-voltage digital energy storage battery cluster system with high compatibility.

[0044] As a preferred example of the present application, the digital energy network card 2 includes a driving circuit board 21 and a power circuit board 22, the driving circuit board 21 is plugged into the power circuit board 22, the wiring port structure 4 is located between the driving circuit board 21 and the power circuit board 22, and the wiring port structure 4 is installed on the power circuit board 22 through a connector.

[0045] Specifically, this arrangement makes the connection between the driving circuit board 21 and the power circuit board 22 flexible and convenient, and also facilitates external wiring.

[0046] As a preferred example of the present application, the wiring port structure 4 includes a positive copper busbar 41, a negative copper busbar 42 and a bypass copper busbar 43, and the negative copper busbar 42, the bypass copper busbar 43 and the positive copper busbar 41 are arranged in sequence from left to right at the upper end of the power circuit board 22, and the positive copper busbar 41 and the negative copper busbar 42 are located on the rear side of the bypass copper busbar 43.

[0047] Specifically, the positive copper busbar 41 and the negative copper busbar 42 are located at the rear side of the bypass copper busbar 43, which is safe and reliable, and is convenient for connecting the copper busbars inside the energy storage system, and can also effectively avoid crossing and confusion during wiring, thereby improving the reliability and safety of wiring.

[0048] As a preferred example of the present application, the power circuit board 22 is provided with a Hall sensor 5, the cross section of the Hall sensor 5 is U-shaped, and the opening is upward, the Hall sensor 5 includes a first Hall sensor 51 and a second Hall sensor 52, the positive copper bar 41 is located in the opening of the first Hall sensor 51, and the negative copper bar 42 is located in the opening of the second Hall sensor 52;

[0049] The driving circuit board 21 is provided with a Hall sensor 6 for measuring the current and voltage parameters of the main circuit. The Hall sensor 6 includes a first Hall sensor 61 and a second Hall sensor 62. The first Hall sensor 61 is located on the upper side of the first Hall sensor 51, and the second Hall sensor 62 is located on the upper side of the second Hall sensor 52.

[0050] Specifically, the U-shaped cross-section of the Hall sensor 5 opens upward, which is convenient for installing the positive copper bus 41 and the negative copper bus 42. A corresponding Hall sensor 6 is arranged on the driving circuit board 21, which can not only measure the current and voltage parameters of the main circuit, thereby realizing the monitoring and control of the circuit, but also improve the accuracy and reliability of the measurement.

[0051] Preferably, the Hall sensor 5 is made of metal, and the Hall sensor 6 is welded on the driving circuit board 21 .

[0052] As a preferred example of the present application, an insulating paper 23 is provided between the driving circuit board 21 and the power circuit board 22 for insulation between the driving circuit board 21 and the power circuit board 22 .

[0053] Specifically, this configuration can effectively isolate the current and signal between the driver circuit board 21 and the power circuit board 22, prevent short circuit and interference, and reduce the electrical contact between the driver circuit board 21 and the power circuit board 22, thereby reducing the risk of circuit failure.

[0054] As a preferred example of the present application, the IGBT packaging module 1 is provided with a positive electrode welding pin, a negative electrode welding pin, a bypass welding pin and a control welding pin, and the positive electrode welding pin, the negative electrode welding pin and the bypass welding pin are respectively welded to the power circuit board 22, the positive copper bus 41, the negative copper bus 42 and the bypass copper bus 43 in a one-to-one correspondence, and the control welding pin is connected to the driving circuit board 21 through the circuit of the power circuit board 22, and is used to control the conduction and shutdown of the power device.

[0055] Specifically, this configuration enables the system to have a lower impedance loop and heat power consumption, and can also reduce the energy consumption of the system, and improve the efficiency, controllability and stability of the digital energy network card device.

[0056] Preferably, a circuit gate chip and polarity welding pins are provided inside the IGBT packaging module 1 .

[0057] As a preferred example of the present application, the driving circuit board 21 is provided with a light guide column 210, and the network card cover 3 is provided with a through hole 31. The light guide column 210 is inserted into the through hole 31 to display the operating status of the device.

[0058] Specifically, this setting can improve the visibility of the equipment and facilitate users to monitor the operation status of the equipment in real time.

[0059] Preferably, the driving circuit board 21 is provided with four light guide columns 210 .

[0060] As a preferred example of the present application, a heat dissipation base plate 7 is provided at the lower end of the IGBT packaging module 1 for heat dissipation of the digital energy network card device.

[0061] Specifically, the structure has strong expandability. When the drive circuit is turned on, the IGBT module will generate heat when current passes through it. The system heat can be dissipated through the heat dissipation base plate 7 at the bottom of the IGBT to increase the current capacity of the equipment. When the IGBT module is overcurrent, a radiator or liquid cooling circulation pipeline can be added to dissipate heat for the equipment. This setting is conducive to the use of digital energy network card devices in dynamically reconfigurable high-voltage digital energy storage battery cluster systems, and can also be upward or downward compatible, with a wide range of applications.

[0062] As a preferred example of the present application, the network card cover 3 is provided with a snap-fit ​​structure for snapping with the left and right sides of the power circuit board 22 .

[0063] Specifically, this arrangement not only facilitates the installation and removal of the network card cover 3 , but also improves the connection firmness of the network card cover 3 .

[0064] As a preferred example of the present application, a pressing rib 32 is provided inside the network card cover 3 , and the pressing rib 32 abuts against the upper side of the driving circuit board 21 to fix the driving circuit board 21 .

[0065] Specifically, this arrangement can improve the stability of the driving circuit board 21 and prevent the driving circuit board 21 from loosening or falling off when subjected to vibration, thereby reducing the risk of failure and improving the reliability of the device.

[0066] Compared with the prior art, the digital energy network card device described in this application has the following advantages:

[0067] 1) The IGBT package module 1 structure is adopted, which has a simple and compact structure, a small overall volume, a simplified manufacturing process, convenient installation and maintenance, can withstand a larger rated current and rated voltage, can be flexibly applied to a high-voltage digital energy storage battery cluster system, and has high compatibility; 2) The IGBT package module 1 is welded together with the power circuit board 22 and the copper busbar, and the system has a lower impedance loop and thermal power consumption; 3) The stray inductance of the main loop is reduced, so that the IGBT package module 1 is more current-balanced during the opening or closing process; 4) The positive copper busbar 41 and the negative copper busbar 42 are located on the rear side of the bypass copper busbar 43, which is safe and reliable, and is also convenient for the copper busbar connection inside the energy storage system; 5) The structure has strong expansibility. When the drive circuit is turned on, the IGBT module will generate heat when the current passes through the current. The system heat can be dissipated through the heat dissipation base plate 7 at the bottom of the IGBT, thereby increasing the flow capacity of the device. When the IGBT module is overcurrent, a radiator or a liquid cooling circulation pipeline can be added to dissipate the heat for the device, which is conducive to the use of the digital energy network card device in a dynamically reconfigurable high-voltage digital energy storage battery cluster system, and can also be upwardly or downwardly compatible, with a wide range of applications.

[0068] Although the utility model is disclosed as above, the utility model is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, the protection scope of the utility model shall be subject to the scope defined by the claims.

Claims

1. A digital energy network card device, characterized in that: The invention comprises an IGBT packaging module (1), a digital energy network card (2) and a network card cover (3), wherein the digital energy network card (2) and the IGBT packaging module (1) are connected together, the digital energy network card (2) is provided with a wiring port structure (4), the wiring port structure (4) is used for external wiring of the digital energy network card device, and the network card cover (3) is covered on the digital energy network card (2).

2. The digital energy network card device according to claim 1, characterized in that: The digital energy network card (2) comprises a driving circuit board (21) and a power circuit board (22), wherein the driving circuit board (21) is plugged into the power circuit board (22), the wiring port structure (4) is located between the driving circuit board (21) and the power circuit board (22), and the wiring port structure (4) is mounted on the power circuit board (22) via a connector.

3. The digital energy network card device according to claim 2, characterized in that: The wiring port structure (4) comprises a positive copper bar (41), a negative copper bar (42) and a bypass copper bar (43), wherein the negative copper bar (42), the bypass copper bar (43) and the positive copper bar (41) are arranged in sequence from left to right on the upper end of the power circuit board (22), and the positive copper bar (41) and the negative copper bar (42) are located at the rear side of the bypass copper bar (43).

4. The digital energy network card device according to claim 3, characterized in that: The power circuit board (22) is provided with a Hall sensor (5), the cross section of the Hall sensor (5) is U-shaped, the opening is upward, the Hall sensor (5) comprises a first Hall sensor (51) and a second Hall sensor (52), the positive copper bar (41) is located in the opening of the first Hall sensor (51), and the negative copper bar (42) is located in the opening of the second Hall sensor (52); The driving circuit board (21) is provided with a Hall sensor (6) for measuring the current and voltage parameters of the main circuit, the Hall sensor (6) comprising a first Hall sensor (61) and a second Hall sensor (62), the first Hall sensor (61) being located on the upper side of the first Hall induction element (51), and the second Hall sensor (62) being located on the upper side of the second Hall induction element (52).

5. The digital energy network card device according to claim 2, characterized in that: An insulating paper (23) is provided between the driving circuit board (21) and the power circuit board (22) and is used for insulation between the driving circuit board (21) and the power circuit board (22).

6. The digital energy network card device according to claim 2, characterized in that: The IGBT packaging module (1) is provided with a positive electrode welding pin, a negative electrode welding pin, a bypass welding pin and a control welding pin. The positive electrode welding pin, the negative electrode welding pin and the bypass welding pin are respectively welded to the power circuit board (22), the positive electrode copper busbar (41), the negative electrode copper busbar (42) and the bypass copper busbar (43) in a one-to-one correspondence. The control welding pin is connected to the driving circuit board (21) through the circuit of the power circuit board (22) and is used to control the conduction and shutdown of the power device.

7. The digital energy network card device according to claim 2, characterized in that: The driving circuit board (21) is provided with a light guide column (210), the network card housing (3) is provided with a through hole (31), and the light guide column (210) is inserted into the through hole (31) to display the operating status of the device.

8. The digital energy network card device according to claim 1, characterized in that: A heat dissipation base plate (7) is provided at the lower end of the IGBT packaging module (1) for dissipating heat from the digital energy network card device.

9. The digital energy network card device according to claim 2, characterized in that: The network card cover (3) is provided with a buckle structure for buckling with the left and right sides of the power circuit board (22).

10. The digital energy network card device according to claim 2, characterized in that: A pressing rib (32) is provided inside the network card cover (3), and the pressing rib (32) is in contact with the upper side of the driving circuit board (21) to fix the driving circuit board (21).

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