Nanocrystalline and ferrite filtering integrated capacitor for new energy automobile

Abstract

The utility model discloses a nanocrystalline and ferrite filtering integrated capacitor for a new energy automobile, which comprises a shell and an internal device, the internal device is arranged in the shell, nanocrystalline and ferrite are combined, the efficiency of a magnetic core is integrated, noise reduction can be realized in a wide frequency range, the number of stages can be reduced, and the service life of the capacitor is prolonged. Compared with the prior art, the capacitor has the remarkable advantages in the scene of pursuing miniaturization, light weight and complex temperature, the breakthrough in material has the characteristics of high magnetic interference resistance, improved magnetic core efficiency, high stability, high temperature resistance, low energy consumption and the like, and on the basis that the original boundary dimension is not changed, the nanocrystalline and ferrite filtering integrated capacitor is integrated, so that the cost is reduced. The product is ensured to adapt to places with relatively large voltage and current fluctuations; the integration of the double filters and the capacitor can reduce the AC component in the input pulsating DC voltage and retain the DC component, so that the input and output current and voltage of the capacitor are more stable.

Description

Technical Field

[0001] The utility model relates to the field of capacitors, and specifically to a nano-crystalline plus ferrite filtering integrated capacitor for new energy vehicles. Background Technique

[0002] In the development process of new energy vehicles, the performance of the electrical system is crucial for the stability and safety of the whole vehicle. As a key component in the electrical system, capacitors are responsible for storing electrical energy, filtering, and stabilizing voltage. However, when facing the high-performance requirements of new energy vehicles, traditional capacitors show some obvious limitations and deficiencies. To ensure the stability of the current, traditional capacitors usually need to be used in conjunction with additional filters, which not only increases the complexity of the system but also occupies valuable internal space. Secondly, traditional capacitors perform poorly in high-frequency characteristics and cannot effectively handle the high-frequency noise and interference generated in the new energy vehicle controller, resulting in unstable power transmission and affecting the reliability of the overall electrical system.

[0003] After retrieval, as disclosed in a Chinese patent document for a capacitor for new energy vehicles [Application No.: 202323076570.2, Publication No.: CN221125735U], it includes a capacitor mechanism, which includes a copper plate row with multiple groups of pins and a capacitor core connected thereto inside. One side of the copper plate row is connected with a top plate, and the pins of the copper plate row extend through the top plate. Although this capacitor can achieve the capacitor effect, it does not have a filtering function, and at the same time, it has a complex structure and low strength and is not suitable for extreme environments. Content of the Utility Model

[0004] Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a nano-crystalline plus ferrite filtering integrated capacitor for new energy vehicles.

[0005] The utility model can be realized by the following technical solutions:

[0006] A nano-crystalline plus ferrite filtering integrated capacitor for new energy vehicles, including a housing and internal components, characterized in that:

[0007] The internal components are installed inside the housing;

[0008] The housing includes a front cover and a rear cover;

[0009] The internal components described above include a positive bus bar, a negative bus bar, and a core body. At the top of the positive bus bar is a terminal block one, in the middle of the positive bus bar is a heat dissipation row one, and at the bottom of the positive bus bar is a connection block one. One end of the connection block one is connected to the heat dissipation row one, and the other end of the connection block one is a "U" - shaped groove one. At the top of the negative bus bar is a terminal block two, in the middle of the negative bus bar is a heat dissipation row two, and at the bottom of the negative bus bar is a connection block two. One end of the connection block two is connected to the heat dissipation row two, and the other end of the connection block two is a "U" - shaped groove two. One side of the core body is arranged at the heat dissipation row one, and the other side of the core body is arranged at the heat dissipation row two.

[0010] Preferably, both the terminal block one and the terminal block two protrude from the housing.

[0011] Through the above - mentioned technical solution, it can ensure that the terminal block one and the terminal block two are more conveniently connected to the external circuit, improving the convenience of installation and maintenance.

[0012] Preferably, both the terminal block one and the terminal block two are provided with through - hole threaded holes.

[0013] Through the above - mentioned technical solution, a more stable electrical connection can be achieved, facilitating installation and maintenance. At the same time, it improves the wiring reliability and durability of the capacitor in practical applications.

[0014] Preferably, a ferrite magnetic ring is provided on the connection block one and the connection block two. The ferrite magnetic ring simultaneously wraps the connection block one and the connection block two, and the ferrite magnetic ring is located at the middle position of the connection block one and the connection block two.

[0015] Through the above - mentioned technical solution, the anti - interference ability of the capacitor in an electromagnetic interference environment is effectively enhanced.

[0016] Preferably, several capacitors are provided between the connection block one and the connection block two.

[0017] Through the above - mentioned technical solution, through the cooperation between different types of capacitors, it ensures stable capacitance characteristics under different frequencies and voltage conditions, guaranteeing the normal operation of the device.

[0018] Preferably, a grounding electrode is provided at the bottom of the housing, and through - hole threaded holes are provided on the grounding electrode.

[0019] Through the above - mentioned technical solution, the setting of the grounding electrode ensures the insulation of the housing, and at the same time, the design of the through - hole threaded holes can ensure the stability of the connection.

[0020] Preferably, a nanocrystalline magnetic ring is provided at the bottom of the housing, and the nanocrystalline magnetic ring is located at the bottom positions of the "U" - shaped groove one and the "U" - shaped groove two.

[0021] Through the above - mentioned technical solution, the electromagnetic compatibility and anti - interference ability of the capacitor are effectively enhanced.

[0022] Compared with the prior art, the utility model has the following advantages:

[0023] 1. The nanocrystalline and ferrite integrated filter capacitor for new energy vehicles combines nanocrystalline and ferrite, and its magnetic core efficiency can achieve noise reduction in a wide frequency range, which helps to reduce the number of stages and has significant advantages in the scenarios of pursuing miniaturization, lightweight, and complex temperature. The breakthrough in materials has characteristics such as strong anti-magnetic interference ability, improved magnetic core efficiency, high stability, high temperature resistance, and low energy consumption.

[0024] 2. The nanocrystalline and ferrite integrated filter capacitor for new energy vehicles has completed the integration of nanocrystalline and ferrite filtering and the capacitor, saving the internal space of the electronic control while ensuring the product performance.

[0025] 3. On the basis of the original external dimensions remaining unchanged, the nanocrystalline and ferrite integrated filter capacitor for new energy vehicles integrates the nanocrystalline and ferrite integrated filter capacitor, ensuring that the product can adapt to places with large voltage and current fluctuations; the integration of dual filtering and the capacitor can reduce the AC component in the input pulsating DC voltage and retain the DC component, making the input and output current and voltage of the capacitor more stable. Description of the Drawings

[0026] Figure 1 is a three-dimensional schematic diagram of the utility model.

[0027] Figure 2 is a three-dimensional schematic diagram of the internal components of the utility model.

[0028] Figure 3 is a three-dimensional schematic diagram of the positive busbar of the utility model.

[0029] Figure 4 is a three-dimensional schematic diagram of the negative busbar of the utility model.

[0030] In the figure: 101, positive busbar; 102, negative busbar; 103, core body; 104, ferrite magnetic ring; 105, grounding electrode; 106, nanocrystalline magnetic ring; 201, terminal block one; 202, heat dissipation row one; 203, connection seat one; 204, "U" groove one; 301, terminal block two; 302, heat dissipation row two; 303, connection seat two; 304, "U" groove two. Detailed Embodiment

[0031] A nanocrystalline and ferrite integrated filter capacitor for new energy vehicles, including a housing and internal components, is characterized in that:

[0032] The internal components are installed inside the housing;

[0033] The housing includes a front cover and a rear cover;

[0034] The internal components include a positive busbar 101, a negative busbar 102, and a core 103. The top of the positive busbar 101 is a terminal block 1 201, the middle of the positive busbar 101 is a heat dissipation row 1 202, the bottom of the positive busbar 101 is a connection block 1 203. One end of the connection block 1 203 is connected to the heat dissipation row 1 202, and the other end of the connection block 1 203 is a "U" - shaped groove 1 204. The top of the negative busbar 102 is a terminal block 2 301, the middle of the negative busbar 102 is a heat dissipation row 2 302, the bottom of the negative busbar 102 is a connection block 2 303. One end of the connection block 2 303 is connected to the heat dissipation row 2 302, and the other end of the connection block 2 303 is a "U" - shaped groove 2 304. One side of the core 103 is arranged at the heat dissipation row 1 202, and the other side of the core 103 is arranged at the heat dissipation row 2 302.

[0035] Specifically, both the terminal block 1 201 and the terminal block 2 301 protrude from the housing, which can ensure that the terminal block 1 201 and the terminal block 2 301 are more conveniently connected to the external circuit, improving the convenience of installation and maintenance. This design reduces the interference between the terminal block 201, the terminal block 2 301 and the housing, and optimizes the stability and reliability of the electrical connection.

[0036] Specifically, both the terminal block 1 201 and the terminal block 2 301 are provided with through - hole threaded holes. This method can achieve a more stable electrical connection, facilitate installation and maintenance, and at the same time improve the wiring reliability and durability of the capacitor in practical applications, ensuring that the capacitor can withstand higher mechanical stress and electrical loads, meeting the requirements of new energy vehicles for high - performance electrical components.

[0037] Specifically, a ferrite magnetic ring 104 is provided on the connection block 1 203 and the connection block 2 303. The ferrite magnetic ring 104 simultaneously wraps the connection block 1 203 and the connection block 2 303. The ferrite magnetic ring is located in the middle position of the connection block 1 203 and the connection block 2 303. The magnetic ring can achieve noise reduction in a wide frequency range, which helps to reduce the number of stages and has significant advantages in scenarios pursuing miniaturization, lightweight, and complex temperature.

[0038] Specifically, several capacitors are provided between the connection block 1 203 and the connection block 2 303. Through the cooperation of different types of capacitors, it is ensured that stable capacitance characteristics are provided under different frequencies and voltage conditions, guaranteeing the normal operation of the device and greatly improving its application flexibility and performance stability in electronic devices.

[0039] Specifically, a grounding electrode 105 is provided at the bottom of the housing. Through-hole threaded holes are formed in the grounding electrode 105. The setting of the grounding electrode 105 ensures the insulation of the housing. At the same time, the design of the through-hole threaded holes can ensure the stability of the connection. These designs help to improve the overall performance of the capacitor and ensure its long-term stable operation in various application environments.

[0040] Specifically, a nanocrystalline magnetic ring 106 is provided at the bottom of the housing. The nanocrystalline magnetic ring 106 is located at the bottom positions of the "U"-shaped groove 1 204 and the "U"-shaped groove 2 304. It not only effectively enhances the electromagnetic compatibility and anti-interference ability of the capacitor, but also the nanocrystalline magnetic ring 106 has characteristics such as strong magnetic interference ability, improved magnetic core efficiency, high stability, high temperature resistance, and low energy consumption.

[0041] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention.

[0042] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more, unless otherwise specifically defined.

[0043] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes an equivalent substitution or change, and should be covered by the protection scope of the present invention.

Claims

1. A nanocrystalline and ferrite filter integrated capacitor for new energy vehicles, including a shell and internal components, characterized in that: The internal device is installed inside the shell; The housing comprises a front cover and a rear cover; The internal components include a positive busbar (101), a negative busbar (102) and a core (103). The top of the positive busbar (101) is a wiring seat (201), the middle of the positive busbar (101) is a heat sink (202), the bottom of the positive busbar (101) is a connection seat (203), one end of the connection seat (203) is connected to the heat sink (202), the other end of the connection seat (203) is a "U"-shaped groove (204), and the negative busbar (101) is a wiring seat (201). The top of the core (103) is a wiring seat 2 (301), the middle is a heat sink 2 (302) of the negative busbar (102), the bottom of the negative busbar (102) is a connecting seat 2 (303), one end of the connecting seat 2 (303) is connected to the heat sink 2 (302), the other end of the connecting seat 2 (303) is a "U"-shaped groove 2 (304), one side of the core (103) is arranged at the heat sink 1 (202), and the other side of the core (103) is arranged at the heat sink 2 (302).

2. The nanocrystalline and ferrite filter integrated capacitor for new energy vehicles according to claim 1, characterized in that: The wiring socket 1 (201) and the wiring socket 2 (301) both protrude out of the housing.

3. The nanocrystalline and ferrite filter integrated capacitor for new energy vehicles according to claim 1, characterized in that: The wiring seat 1 (201) and the wiring seat 2 (301) are both provided with through-hole threaded holes.

4. The nanocrystalline and ferrite filter integrated capacitor for new energy vehicles according to claim 1, characterized in that: A ferrite magnetic ring (104) is provided on the connecting seat 1 (203) and the connecting seat 2 (303), and the ferrite magnetic ring (104) simultaneously wraps the connecting seat 1 (203) and the connecting seat 2 (303), and the ferrite magnetic ring is located in the middle position of the connecting seat 1 (203) and the connecting seat 2 (303).

5. The nanocrystalline and ferrite filter integrated capacitor for new energy vehicles according to claim 1, characterized in that: A plurality of capacitors are provided between the connection base 1 (203) and the connection base 2 (303).

6. The nanocrystalline and ferrite filter integrated capacitor for new energy vehicles according to claim 1, characterized in that: A grounding electrode (105) is provided at the bottom of the shell, and a through-hole threaded hole is provided on the grounding electrode (105).

7. The nanocrystalline and ferrite filter integrated capacitor for new energy vehicles according to claim 1, characterized in that: A nanocrystalline magnetic ring (106) is provided at the bottom of the shell, and the nanocrystalline magnetic ring (106) is located at the bottom of the first "U"-shaped groove (204) and the second "U"-shaped groove (304).

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