Battery with cabin and vehicle

Abstract

The invention provides a battery with a cabin and a vehicle, and relates to the field of battery management. Comprising a first filter circuit, a first transmission wire harness, a battery pack and a cabin shell, the first filter circuit, the first transmission wire harness and the battery pack are integrated in the cabin shell, and the cabin shell has a magnetic isolation effect; the battery pack transmits electric energy to external electric equipment through a first transmission wire harness by penetrating through the cabin shell; a first filter circuit is arranged in the first transmission wire harness, and the first filter circuit is used for filtering electromagnetic waves generated when the first transmission wire harness transmits electric energy. The magnetic isolation effect of the cabin shell is utilized, the first transmission wire harness of the battery pack is provided with the filter circuit, and the first filter circuit performs electromagnetic wave filtering on the first transmission wire harness in the cabin shell, so that electromagnetic clutters can be filtered from the position close to the battery pack, and the battery pack is prevented from being damaged when the battery pack transmits electric energy through the first transmission wire harness. Therefore, the stability of the working environment of the equipment group is ensured.

Description

Technical Field

[0001] The present application relates to the field of battery management, and in particular to a battery and a vehicle with a compartment. Background Art

[0002] The normal use of battery packs requires a stable magnetic field environment. At the same time, battery packs are generally integrated into dense equipment groups. During normal use, the output port of the battery pack will generate electromagnetic waves while outputting electricity, which can easily cause electromagnetic interference to other devices. Furthermore, because the overall space of the equipment group integrating the battery pack is often limited, if the output port of the battery pack generates electromagnetic waves, it will cause disorder in the electromagnetic waves of the overall space, and will further interfere with the normal operation of the battery pack itself. Summary of the invention

[0003] In view of this, the present application provides a battery and vehicle with a cabin, the main purpose of which is to ensure that the battery is not affected by external electromagnetic interference under normal working conditions, and other electronic devices adjacent to the battery will not be disturbed by the electromagnetic waves generated by the battery output power, thereby ensuring the stability of the overall spatial magnetic field of the equipment group.

[0004] To achieve the above objectives, the present application discloses, in a first aspect, a battery with a compartment, the method comprising:

[0005] a first filtering circuit, a first transmission harness, a battery pack, and a cabin housing;

[0006] The cabin shell integrates the first filter circuit, the first transmission harness and the battery pack therein, and the cabin shell has a magnetic isolation effect;

[0007] The battery pack transmits electric energy to an external electric device through the cabin shell by using the first transmission harness;

[0008] The first filtering circuit is set up in the first transmission line bundle, and the first filtering circuit is used to filter the electromagnetic waves generated when the first transmission line bundle transmits electric energy.

[0009] Optionally, the first transmission line bundle includes a first positive transmission line bundle and a first negative transmission line bundle;

[0010] The first positive transmission line bundle is connected to the first positive input terminal of the first filter circuit, and the first negative transmission line bundle is connected to the first negative input terminal of the first filter circuit;

[0011] The first filtering circuit includes: a first common mode inductor LCM1, a second common mode inductor LCM2, a third common mode inductor LCM3, a fourth common mode inductor LCM4, a first common mode filtering circuit, a second common mode filtering circuit, a first differential mode filtering circuit, a second differential mode filtering circuit and a third differential mode filtering circuit;

[0012] The first positive input terminal is connected to the first end of the first common mode inductor LCM1, the second end of the first common mode inductor LCM1 is connected to the first end of the second common mode inductor LCM2, and the second end of the second common mode inductor LCM2 is connected to the first positive output terminal of the first filter circuit;

[0013] The first negative input terminal is connected to the first end of the third common mode inductor LCM3, the second end of the third common mode inductor LCM3 is connected to the first end of the fourth common mode inductor LCM4, and the second end of the fourth common mode inductor LCM4 is connected to the first negative output terminal of the first filter circuit;

[0014] The first common-mode filter circuit is connected between the first positive input terminal and the first negative input terminal, the first end of the first common-mode inductor LCM1 and the first end of the third common-mode inductor LCM3 are connected to the first differential-mode filter circuit, the second end of the first common-mode inductor LCM1 and the second end of the third common-mode inductor LCM3 are connected to the second differential-mode filter circuit, the first end of the second common-mode inductor LCM2 and the first end of the fourth common-mode inductor LCM4 are connected to the second common-mode filter circuit, and the second end of the second common-mode inductor LCM2 and the second end of the fourth common-mode inductor LCM4 are connected to the third differential-mode filter circuit.

[0015] Optionally, the first positive transmission line bundle includes a first DC bus and a second DC bus, and the first negative transmission line bundle includes a third DC bus and a fourth DC bus;

[0016] The first DC bus surrounds one side of the first nanocrystalline magnetic ring, and two ends of the first DC bus serve as two ends of the first common mode inductor LCM1;

[0017] The third DC bus surrounds the other side of the first nanocrystalline magnetic ring, and two ends of the second DC bus serve as two ends of the third common mode inductor LCM3;

[0018] The second DC bus surrounds one side of the second nanocrystalline magnetic ring, and two ends of the third DC bus serve as two ends of the second common mode inductor LCM2;

[0019] The fourth DC bus surrounds the other side of the second nanocrystalline magnetic ring, and two ends of the fourth DC bus serve as two ends of the fourth common mode inductor LCM4;

[0020] A first end of the first DC bus is connected to the first positive input end, a second end of the first DC bus is connected to a first end of the second DC bus, and a second end of the second DC bus serves as a first positive output end of the first filter circuit;

[0021] The first end of the third DC bus is connected to the first negative input end, the second end of the third DC bus is connected to the first end of the fourth DC bus, and the second end of the fourth DC bus serves as the first negative output end of the first filter circuit.

[0022] Optionally, the first common-mode filtering circuit includes a first common-mode capacitor CY1 and a second common-mode capacitor CY2 connected in series, and the first common-mode capacitor CY1 and the second common-mode capacitor CY2 are grounded;

[0023] The second common-mode filter circuit includes a third common-mode capacitor CY3 and a fourth common-mode capacitor CY4 connected in series, and the third common-mode capacitor CY3 and the fourth common-mode capacitor CY4 are grounded.

[0024] Optionally, the battery further includes: a battery management device, a monitoring device, a second filtering circuit and a second transmission harness;

[0025] The battery management device, the monitoring device, the second filter circuit and the second transmission harness are integrated in the cabin shell;

[0026] The monitoring device is connected to the first transmission harness and the battery management device, and is used to control the electric energy transmitted by the first transmission harness and generate control data;

[0027] The battery management device is connected to the battery pack and the monitoring device respectively, and the battery management device is used to obtain the operating parameters from the battery pack and obtain the control data from the monitoring device;

[0028] The battery management device uses the second transmission harness to pass through the cabin shell to communicate data with the external control device;

[0029] The second filtering circuit is used to filter electromagnetic waves generated when the second transmission line bundle transmits data.

[0030] Optionally, the second transmission line bundle includes a second positive transmission line bundle and a second negative transmission line bundle;

[0031] The second positive transmission line bundle is connected to the second positive input terminal of the second filtering circuit, and the second negative transmission line bundle is connected to the second negative input terminal of the second filtering circuit;

[0032] The second filter circuit includes: a first differential mode magnetic ring LMD1, a second differential mode magnetic ring LMD2, a fifth common mode inductor LCM5, a sixth common mode inductor LCM6, a through filter circuit, a third common mode filter circuit, a fourth common mode filter circuit, a fourth differential mode filter circuit, a fifth differential mode filter circuit and a sixth differential mode filter circuit;

[0033] The second positive input terminal is connected to the first end of the first differential mode magnetic ring LMD1, the second end of the first differential mode magnetic ring LMD1 is connected to the first end of the fifth common mode inductor LCM5, and the second end of the fifth common mode inductor LCM5 is connected to the second positive output terminal of the second filter circuit;

[0034] The second negative input terminal is connected to the first end of the second differential mode magnetic ring LMD2, the second end of the second differential mode magnetic ring LMD2 is connected to the first end of the sixth common mode inductor LCM6, and the second end of the sixth common mode inductor LCM5 is connected to the second negative output terminal of the second filter circuit;

[0035] The through-type filter circuit is connected between the second positive input terminal and the second negative input terminal, the third common-mode filter circuit and the fourth differential-mode filter circuit are connected in parallel to the first end of the first differential-mode magnetic ring LMD1 and the first end of the second differential-mode magnetic ring LMD2, the second end of the first differential-mode magnetic ring LMD1 and the second end of the second differential-mode magnetic ring LMD2 are connected to the fifth differential-mode filter circuit, the fourth common-mode filter circuit and the fifth differential-mode filter circuit are connected in parallel and connected to the first end of the fifth common-mode inductor LCM5 and the first end of the sixth common-mode inductor LCM6, the second end of the fifth common-mode inductor LCM5 and the second end of the sixth common-mode inductor LCM6 are connected to the sixth differential-mode filter circuit.

[0036] Optionally, the second positive transmission line bundle includes a fifth DC bus, and the second negative transmission line bundle includes a sixth DC bus;

[0037] The fifth DC bus surrounds one side of the third nanocrystalline magnetic ring, and two ends of the fifth DC bus serve as two ends of the fifth common mode inductor LCM5;

[0038] The sixth DC bus surrounds the other side of the third nanocrystalline magnetic ring, and two ends of the sixth DC bus serve as two ends of the sixth common mode inductor LCM6;

[0039] A first end of the fifth DC bus is connected to a second end of the first differential mode magnetic ring LMD1, and the second end of the fifth DC bus serves as a first positive output end of the second filter circuit;

[0040] The first end of the sixth DC bus is connected to the second end of the second differential mode magnetic ring LMD2, and the second end of the sixth DC bus serves as the first negative output end of the second filter circuit.

[0041] Optionally, the battery further comprises: a first isolation compartment and a second isolation compartment;

[0042] The first isolation chamber and the second isolation chamber are integrated into the chamber housing, and the first isolation chamber is used to enclose the first filtering circuit;

[0043] The second isolation compartment is used to enclose the second filtering circuit.

[0044] Optionally, the through-type filtering circuit includes: a through-type filter;

[0045] The through filter of the through filter circuit is fixedly connected to the second isolation compartment, so that the second transmission line bundle passes through the second isolation compartment through the through hole of the through filter.

[0046] Optionally, the battery further comprises: an isolation plate;

[0047] The isolation plate is installed between the first isolation chamber and the second isolation chamber, and is used to isolate electromagnetic waves generated by the first filter circuit and the second filter circuit.

[0048] Optionally, the first isolation compartment and / or the second isolation compartment is:

[0049] Metal material or composite material with metal coating sprayed on the shell surface.

[0050] In a second aspect of the present application, an embodiment provides a vehicle, in which the battery with a compartment as described in the first aspect is mounted.

[0051] In summary, according to the technical solution disclosed in the present application, a battery with a cabin is provided, which includes: a first filter circuit, a first transmission harness, a battery pack and a cabin shell; the cabin shell integrates the first filter circuit, the first transmission harness and the battery pack therein, and the cabin shell has a magnetic isolation effect; the battery pack transmits electric energy to external electrical equipment through the cabin shell by using the first transmission harness; a first filter circuit is set up in the first transmission harness, and the first filter circuit is used to filter the electromagnetic waves generated when the first transmission harness transmits electric energy. In the content of the present application, the magnetic isolation effect of the cabin shell is used to prevent the operation of the battery pack from being interfered by the external environment. At the same time, a filter circuit is installed on the first transmission harness of the battery pack. The first filter circuit performs electromagnetic wave filtering on the first transmission harness inside the cabin shell, and can filter out electromagnetic clutter from the position close to the battery pack to prevent the electromagnetic waves generated when the battery pack transmits electric energy through the first transmission harness from interfering with other electronic devices, thereby ensuring the stability of the working environment of the equipment group.

[0052] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0053] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0054] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0055] Figure 1 A schematic diagram of a battery structure with a compartment provided in an embodiment of the present application is shown;

[0056] Figure 2 A circuit connection diagram of a first filter circuit provided in an embodiment of the present application is shown;

[0057] Figure 3 A schematic diagram of the overall structure of a battery with a compartment provided in an embodiment of the present application is shown;

[0058] Figure 4 A circuit connection diagram of a second filter circuit provided in an embodiment of the present application is shown;

[0059] Figure 5 A schematic diagram of a fixing method of a through-type filter provided in an embodiment of the present application is shown. DETAILED DESCRIPTION

[0060] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the scheme of the present application will be further described below. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0061] In order to solve the problem that the display screen played by the vehicle-mounted device is difficult for the user to recognize due to the shaking of the vehicle during driving, the present application provides the following embodiments to solve the above problem:

[0062] This embodiment provides a battery with a compartment, such as Figure 1 As shown, it is a structural flow chart of a battery provided in this embodiment. The battery structure provided in this embodiment may specifically include:

[0063] A cabin housing 11, a battery pack 12, a first filter circuit 13 and a first transmission harness 14;

[0064] The cabin shell 11 integrates the battery pack 12, the first filter circuit 13 and the first transmission harness 14 therein, and the cabin shell 11 has a magnetic isolation effect; the battery pack 12 transmits electric energy to external electrical equipment through the cabin shell 11 using the first transmission harness 14; a first filter circuit 13 is established in the first transmission harness 14, and the first filter circuit 13 filters the electromagnetic waves generated when the first transmission harness 14 transmits electric energy.

[0065] In the present embodiment, in order to ensure that external electromagnetic waves do not interfere with the operation of the battery pack, and that the electromagnetic waves generated by the operation of the battery pack do not interfere with other electronic equipment, the present embodiment proposes to wrap the battery with a cabin shell that can isolate the external magnetic field to prevent the battery from being disturbed by the external magnetic field during normal operation. At the same time, a first filtering circuit is established in the cabin shell to filter the electromagnetic waves generated when the battery pack outputs electrical energy through the first transmission harness, so that when the first transmission harness transmits electrical energy from the cabin shell to other electrical equipment, it will not cause electromagnetic interference to other electrical equipment and electronic equipment in nearby locations, thereby improving the electromagnetic compatibility (EMC: Electromagnetic Magnetic Compatibility) of the battery and maintaining the working stability of the equipment group.

[0066] In a possible embodiment, in order to achieve the magnetic isolation effect of the cabin shell, the content of this embodiment further describes the cabin shell, that is, it is made of metal material or a composite material with a metal coating sprayed on the surface of the shell, so that the cabin shell forms a closed metal space, so that the battery pack can be free from interference from external signals.

[0067] In a possible embodiment, the first transmission line bundle includes a first positive transmission line bundle and a first negative transmission line bundle; the first positive transmission line bundle is connected to the first positive input terminal of the first filter circuit, and the first negative transmission line bundle is connected to the first negative input terminal of the first filter circuit;

[0068] The first filter circuit includes: a first common mode inductor LCM1, a second common mode inductor LCM2, a third common mode inductor LCM3, a fourth common mode inductor LCM4, a first common mode filter circuit Y1, a second common mode filter circuit Y2, a first differential mode filter circuit X1, a second differential mode filter circuit X2 and a third differential mode filter circuit X3;

[0069] The first positive input terminal is connected to the first end of the first common mode inductor LCM1, the second end of the first common mode inductor LCM1 is connected to the first end of the second common mode inductor LCM2, and the second end of the second common mode inductor LCM2 is connected to the first negative output terminal of the first filter circuit;

[0070] The first negative input terminal is connected to the first terminal of the third common mode inductor LCM3, the second terminal of the third common mode inductor LCM3 is connected to the first terminal of the fourth common mode inductor LCM4, and the second terminal of the fourth common mode inductor LCM4 is connected to the first negative output terminal of the first filter circuit;

[0071] A first common-mode filter circuit Y1 is connected between the first positive input terminal and the first negative input terminal, a first end of the first common-mode inductor LCM1 and a first end of the third common-mode inductor LCM3 are connected to a first differential-mode filter circuit X1, a second end of the first common-mode inductor LCM1 and a second end of the third common-mode inductor LCM3 are connected to a second differential-mode filter circuit X2, a first end of the second common-mode inductor LCM2 and a first end of the fourth common-mode inductor LCM4 are connected to a second common-mode filter circuit Y2, and a second end of the second common-mode inductor LCM2 and a second end of the fourth common-mode inductor LCM4 are connected to a third differential-mode filter circuit X3.

[0072] In the battery with a compartment, the function of the battery is mainly to transmit electric energy through the first transmission harness according to the charge and discharge instructions. Since electric energy is often divided into positive and negative poles, accordingly, the harness that transmits positive electric energy is used as the first positive transmission harness and connected to the first positive input terminal of the first filter circuit; the harness that transmits negative electric energy is used as the first negative transmission harness and connected to the first negative input terminal of the first filter circuit. In the first filter circuit, electromagnetic waves are filtered for the first positive transmission harness and the first negative transmission harness respectively.

[0073] In this embodiment, the circuit connection diagram of the first filter circuit is as follows: Figure 2 As shown, in order to filter the electromagnetic waves around the first positive transmission line bundle and the first negative transmission line bundle respectively, this embodiment proposes to set up a first common-mode inductor LCM1 and a second common-mode inductor LCM2 in the positive loop between the first positive input terminal and the first positive output terminal of the first filter circuit to filter electromagnetic waves of different frequencies respectively. For example, the single-turn inductance of the coil-wound inductor LCM1 can be selected to be about 100uH, and the single-turn inductance of the coil-wound inductor LCM2 can be selected to be about 100uH. In the negative loop between the first negative input terminal and the first negative output terminal of the first filter circuit, a third common-mode inductor LCM3 and a fourth common-mode inductor LCM4 are set up to filter electromagnetic waves of different frequencies respectively. For example, the single-turn inductance of the coil-wound inductor LCM3 can be selected to be about 100uH, and the single-turn inductance of the coil-wound inductor LCM4 can be selected to be about 100uH.

[0074] In order to avoid the common-mode interference between the positive and negative loops of the first filter circuit and the differential-mode interference generated on the power line, the present embodiment targets the above two types of interference and establishes multiple common-mode filter circuits and differential-mode filter circuits between the positive and negative loops to filter out the chaotic electromagnetic waves of the positive and negative loops.

[0075] In a possible embodiment, the first positive transmission line bundle includes a first DC bus and a second DC bus, and the first negative transmission line bundle includes a third DC bus and a fourth DC bus; the first DC bus surrounds one side of the first nanocrystalline magnetic ring, and two ends of the first DC bus serve as two ends of the first common-mode inductor LCM1; the third DC bus surrounds the other side of the first nanocrystalline magnetic ring, and two ends of the second DC bus serve as two ends of the third common-mode inductor LCM3; the second DC bus surrounds one side of the second nanocrystalline magnetic ring, and two ends of the second DC bus serve as two ends of the second common-mode inductor LCM2; the fourth DC bus surrounds the other side of the second nanocrystalline magnetic ring, and two ends of the fourth DC bus serve as two ends of the fourth common-mode inductor LCM4; the first end of the first DC bus is connected to the first positive input end, the second end of the first DC bus is connected to the first end of the second DC bus, and the second end of the second DC bus serves as the first positive output end of the first filter circuit; the first end of the third DC bus is connected to the first negative input end, the second end of the third DC bus is connected to the first end of the fourth DC bus, and the second end of the fourth DC bus serves as the first negative output end of the first filter circuit.

[0076] Specifically disclosed is a specific method for generating a first DC bus and a third DC bus, a second DC bus and a fourth DC bus, wherein the starting DC bus is respectively surrounded by common-mode inductors generated by nanocrystalline magnetic rings. The first common-mode inductor LCM1 and the third common-mode inductor LCM3 are respectively surrounded on both sides of the first nanocrystalline magnetic ring MR1, and the second common-mode inductor LCM2 and the fourth common-mode inductor LCM4 are respectively surrounded on both sides of the second nanocrystalline magnetic ring MR2, forming common-mode inductors respectively. The high impedance of the coil at high frequency is used to attenuate interference signals. At the same time, by using the same magnetic ring, on the basis of the same single-turn inductance, the synchronization of the two common-mode inductors in the same nanocrystalline magnetic ring can be achieved, thereby ensuring the accuracy of the parameters of the components in the circuit.

[0077] In a possible embodiment, the first common-mode filtering circuit includes a first common-mode capacitor CY1 and a second common-mode capacitor CY2 connected in series, and the first common-mode capacitor CY1 and the second common-mode capacitor CY2 are grounded; the second common-mode filtering circuit includes a third common-mode capacitor CY3 and a fourth common-mode capacitor CY4 connected in series, and the third common-mode capacitor CY3 and the fourth common-mode capacitor CY4 are grounded.

[0078] In this embodiment, the specific circuit structure of the two common-mode filter circuits is specifically described, that is, two common-mode capacitors are connected in series and grounded together to ensure that there is no potential difference between the two loops and to ensure the reliability of the circuit. At the same time, the two common-mode circuits are respectively connected to one side of the two nanocrystalline magnetic rings, so that the electromagnetic waves in the loops are eliminated through the common-mode circuits before being filtered by the inductor, thereby ensuring the effectiveness of the filtering. In this embodiment, the first common-mode capacitor CY1 and the second common-mode capacitor CY2 are safety-grade film capacitors with a capacitance of 20nF, and the common-mode capacitors CY3 and CY4 are also safety-grade film capacitors with a capacitance of 10nF.

[0079] Furthermore, the present application also includes a description of the differential mode circuit, which includes differential mode capacitors, wherein the first differential mode filter circuit X1 includes a first differential mode capacitor CX1, which can be a safety grade film capacitor, and the capacitance value is recommended to be 1uF; the second differential mode filter circuit X2 includes a second differential mode capacitor CX2, which can be a safety grade film capacitor, and the capacitance value is recommended to be 2uF; the third differential mode filter circuit X3 includes a third differential mode capacitor CX3, which can be a safety grade film capacitor, and the capacitance value is recommended to be 4uF, which can eliminate the differential mode phenomenon in the circuit and further ensure the effectiveness of filtering.

[0080] In a possible embodiment, the battery further includes: a battery management device 15, a monitoring device 16, a second filter circuit 17 and a second transmission harness 18; the battery management device, the monitoring device, the second filter circuit and the second transmission harness are integrated in the cabin shell;

[0081] The monitoring device is connected to the first transmission harness and the battery management device, and the monitoring device is used to control the electric energy transmitted by the first transmission harness and generate control data; the battery management device is connected to the battery pack and the monitoring device respectively, and the battery management device is used to obtain working parameters from the battery pack and obtain control data from the monitoring device; the battery management device uses the second transmission harness to pass through the cabin shell to exchange data with the external control device; the second filtering circuit is used to filter the electromagnetic waves generated when the second transmission harness transmits data.

[0082] This embodiment further describes other components of the battery compartment and further describes their functions. The battery management device is equipped with a battery management system (BMS) for obtaining working parameters from the battery pack in real time and obtaining control data from the monitoring device, so that the user can obtain the operating status of the battery and the first transmission harness in real time. The battery management device uses the second transmission harness to communicate data with the control device outside the battery.

[0083] Specifically, in a possible embodiment, the second transmission line bundle includes a second positive transmission line bundle and a second negative transmission line bundle;

[0084] The second positive transmission line bundle is connected to the second positive input terminal of the second filter circuit, and the second negative transmission line bundle is connected to the second negative input terminal of the second filter circuit;

[0085] The second filter circuit includes: a first differential mode magnetic ring LMD1, a second differential mode magnetic ring LMD2, a fifth common mode inductor LCM5, a sixth common mode inductor LCM6, a through filter circuit LB, a third common mode filter circuit Y3, a fourth common mode filter circuit Y4, a fourth differential mode filter circuit X4, a fifth differential mode filter circuit X5 and a sixth differential mode filter circuit X6;

[0086] The second positive input terminal is connected to the first end of the first differential mode magnetic ring LMD1, the second end of the first differential mode magnetic ring LMD1 is connected to the first end of the fifth common mode inductor LCM5, and the second end of the fifth common mode inductor LCM5 is connected to the second positive output terminal of the second filter circuit;

[0087] The second negative input terminal is connected to the first end of the second differential mode magnetic ring LMD2, the second end of the second differential mode magnetic ring LMD2 is connected to the first end of the sixth common mode inductor LCM6, and the second end of the sixth common mode inductor LCM5 is connected to the second negative output terminal of the second filter circuit;

[0088] A through-type filter circuit LB is connected between the second positive input terminal and the second negative input terminal, the third common-mode filter circuit Y3 and the fourth differential-mode filter circuit X4 are connected in parallel to the first end of the first differential-mode magnetic ring LMD1 and the first end of the second differential-mode magnetic ring LMD2, the second end of the first differential-mode magnetic ring LMD1 and the second end of the second differential-mode magnetic ring LMD2 are connected to the fifth differential-mode filter circuit X5, the fourth common-mode filter circuit Y4 and the fifth differential-mode filter circuit X5 are connected in parallel and connected to the first end of the fifth common-mode inductor LCM5 and the first end of the sixth common-mode inductor LCM6, the second end of the fifth common-mode inductor LCM5 and the second end of the sixth common-mode inductor LCM6 are connected to the sixth differential-mode filter circuit X6.

[0089] The circuit structure diagram of the second filter circuit is as follows: Figure 3 As shown, the positive data is filtered by the first differential mode magnetic ring and the fifth common mode magnetic ring, and the negative data is filtered by the second differential mode magnetic ring and the third common mode magnetic ring. A multi-channel common mode filter circuit and a differential mode filter circuit are set up. When the differential mode magnetic ring and the common mode magnetic ring filter electromagnetic waves, the common mode and differential mode in the circuit are eliminated to ensure the accuracy of the final elimination of electromagnetic waves.

[0090] In the present embodiment, the common-mode circuit includes common-mode capacitors, wherein the third common-mode filter circuit Y3 includes a fifth common-mode capacitor CY5 and a sixth common-mode capacitor CY6, and the fourth common-mode filter circuit Y4 includes a seventh common-mode capacitor CY7 and an eighth common-mode capacitor CY8, and the capacitance values ​​of the fifth common-mode capacitor CY5, the sixth common-mode capacitor CY6, the seventh common-mode capacitor CY7 and the eighth common-mode capacitor CY8 can be 47nF.

[0091] The differential mode circuit includes differential mode capacitors, wherein the fourth differential mode filter circuit X4 includes a fourth differential mode capacitor CX4, which can be a safety grade film capacitor with a capacitance of 4uF; the fifth differential mode filter circuit X5 includes a fifth differential mode capacitor CX5, which can be a safety grade film capacitor with a capacitance of 2uF; the sixth differential mode filter circuit X6 includes a third differential mode capacitor CX6, which can be a safety grade film capacitor with a capacitance of 41F. The first and second differential mode magnetic rings use amorphous material magnetic rings, and the inductance can be 30uH. The inductance of the fifth common mode inductor LCM5 and the sixth common mode inductor LCM6 can be 1-1.5mH. The differential mode circuit and the common mode circuit can eliminate the differential mode phenomenon in the circuit, further ensuring the effectiveness of filtering.

[0092] In a possible embodiment, the second positive transmission line bundle includes a fifth DC bus, and the second negative transmission line bundle includes a sixth DC bus;

[0093] The fifth DC bus surrounds one side of the third nanocrystalline magnetic ring MR3, and the two ends of the fifth DC bus serve as the two ends of the fifth common-mode inductor LCM5; the sixth DC bus surrounds the other side of the third nanocrystalline magnetic ring MR3, and the two ends of the sixth DC bus serve as the two ends of the sixth common-mode inductor LCM6; the first end of the fifth DC bus is connected to the second end of the first differential mode magnetic ring LMD1, and the second end of the fifth DC bus serves as the first positive output end of the second filter circuit; the first end of the sixth DC bus is connected to the second end of the second differential mode magnetic ring LMD2, and the second end of the sixth DC bus serves as the first negative output end of the second filter circuit.

[0094] In this embodiment, the fifth common-mode inductor LCM5 and the sixth common-mode inductor LCM6 are in the same nanocrystalline magnetic ring MR3. On the basis of the same single-turn inductance, the two common-mode inductors in the same nanocrystalline magnetic ring can be synchronized to ensure the accuracy of the parameters of the components in the circuit.

[0095] In a possible embodiment, the battery further includes: a first isolation compartment and a second isolation compartment;

[0096] The first isolation chamber and the second isolation chamber are integrated in the chamber shell. The first isolation chamber is used to enclose the first filtering circuit; the second isolation chamber is used to enclose the second filtering circuit.

[0097] In order to ensure that during the filtering process of the first filter circuit and the second filter circuit, the electromagnetic waves generated by the circuits and components at work do not interfere with other electronic devices, in the present embodiment, it is further proposed to use an isolation chamber to wrap the filter circuit, wherein the first isolation chamber wraps the first filter circuit and the second isolation chamber wraps the second filter circuit, so that the filter circuit does not affect other components of the battery of the present application when working.

[0098] In a possible embodiment, the battery further includes: an isolation plate 19;

[0099] The isolation plate is installed between the first isolation chamber and the second isolation chamber, and is used to isolate the electromagnetic waves generated by the first filter circuit and the second filter circuit.

[0100] In the present embodiment, considering that the first isolation cabin and the second isolation cabin are included in the cabin shell at the same time, if the volume of the cabin shell is small, the layout positions of the first isolation cabin and the second isolation cabin are close, and the filter circuits wrapped by the two may generate corresponding working electromagnetic waves during operation, which will interfere with each other. In order to ensure the stability of the working environment of the two filter circuits, the present embodiment further proposes to install an isolation plate in the battery to achieve spatial isolation between the first isolation cabin and the second isolation cabin. At the same time, the isolation plate can be a metal isolation plate and / or an isolation plate with a metal layer to ensure that there is no mutual electromagnetic interference between the two.

[0101] In a possible embodiment, a through-type filtering circuit includes: a through-type filter;

[0102] The through-type filter of the through-type filter circuit is fixedly connected to the second isolation cabin so that the second transmission harness passes through the second isolation cabin through the through hole of the through-type filter. With regard to the connection method, in an embodiment of the present application, the installation of the first transmission harness is achieved by reserving entry and exit holes in the first isolation cabin, and the installation of the second transmission harness is achieved by reserving entry and exit holes in the second isolation cabin. The battery pack, the first isolation cabin, and the second isolation cabin can be fixed in the cabin shell by fastening with pre-installed studs or screw holes to achieve their installation.

[0103] The main function of the second filtering circuit is to eliminate the electromagnetic interference of the second transmission harness, and the second transmission harness is used to achieve data intercommunication, so the second transmission harness can have multiple data lines. For the reliability of the data, while performing electromagnetic wave interference, in order to further enhance the filtering performance of the filtering circuit, this embodiment proposes to fix a through-type filter in the cabin wall of the second isolation cabin. The specific number of through-type filters is determined by the number of the second transmission harnesses, except for the CAN bus (Controller Area Network, ISO international standardized serial communication protocol). The schematic diagram of the fixing method of the through-type filter is shown in the figure Figure 5 As shown, Figure 5 This is a schematic diagram of the cross-section of the cabin shell, taking 4 through-type filters as an example. Figure 5 1 is a through-type filter, wherein the through-type filter can be fixed by tightening nuts when installed into the cabin shell, 2 is the middle wall panel of the cabin shell, 3 is a filler for improving stability, such as silicone, resin, etc., and 4 is the inner space of the second isolation cabin.

[0104] Based on this understanding, the technical solution of the present application can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, USB flash drive, mobile hard disk, etc.), including a number of instructions for enabling a computer device (which can be a personal computer, server, or network device, etc.) to execute the methods of various implementation scenarios of the present application.

[0105] Based on the above electronic device, the embodiment of the present application further provides a vehicle, which may specifically include: Figure 1 The battery with a compartment is shown. The vehicle can be a new energy vehicle or a traditional vehicle.

[0106] Through the description of the above implementation methods, the technicians in this field can clearly understand that the present application can be implemented by means of software plus the necessary general hardware platform, or by hardware. By applying the scheme of this embodiment, a battery with a cabin is provided, which includes: a first filter circuit, a first transmission harness, a battery pack and a cabin shell; the cabin shell integrates the first filter circuit, the first transmission harness and the battery pack, and the cabin shell has a magnetic isolation effect; the battery pack uses the first transmission harness to transmit electric energy to the external electrical equipment through the cabin shell; a first filter circuit is set up in the first transmission harness, and the first filter circuit is used to filter the electromagnetic waves generated when the first transmission harness transmits electric energy. In the content of this application, the magnetic isolation effect of the cabin shell is used to prevent the work of the battery pack from being interfered by the external environment. At the same time, a filter circuit is installed on the first transmission harness of the battery pack. The first filter circuit performs electromagnetic wave filtering on the first transmission harness inside the cabin shell, and can filter out electromagnetic clutter from the position close to the battery pack to prevent the electromagnetic waves generated when the battery pack transmits electric energy to the outside through the first transmission harness from interfering with other electronic devices, thereby ensuring the stability of the working environment of the equipment group.

[0107] It should be noted that, in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprising a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0108] The above is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments herein, but will conform to the widest scope consistent with the principles and novel features applied for herein.

Claims

1. A battery with a compartment, characterized in that: include: A cabin housing, a battery pack, a first filter circuit, and a first transmission harness; The cabin shell integrates the first filter circuit, the first transmission harness and the battery pack therein, and the cabin shell has a magnetic isolation effect; The battery pack transmits electric energy to an external electric device through the cabin shell by using the first transmission harness; The first filtering circuit is set up in the first transmission line bundle, and the first filtering circuit is used to filter the electromagnetic waves generated when the first transmission line bundle transmits electric energy.

2. The battery according to claim 1, characterized in that The first transmission line bundle includes a first positive transmission line bundle and a first negative transmission line bundle; The first positive transmission line bundle is connected to the first positive input terminal of the first filter circuit, and the first negative transmission line bundle is connected to the first negative input terminal of the first filter circuit; The first filtering circuit includes: a first common mode inductor LCM1, a second common mode inductor LCM2, a third common mode inductor LCM3, a fourth common mode inductor LCM4, a first common mode filtering circuit, a second common mode filtering circuit, a first differential mode filtering circuit, a second differential mode filtering circuit and a third differential mode filtering circuit; The first positive input terminal is connected to the first end of the first common mode inductor LCM1, the second end of the first common mode inductor LCM1 is connected to the first end of the second common mode inductor LCM2, and the second end of the second common mode inductor LCM2 is connected to the first positive output terminal of the first filter circuit; The first negative input terminal is connected to the first end of the third common mode inductor LCM3, the second end of the third common mode inductor LCM3 is connected to the first end of the fourth common mode inductor LCM4, and the second end of the fourth common mode inductor LCM4 is connected to the first negative output terminal of the first filter circuit; The first common-mode filter circuit is connected between the first positive input terminal and the first negative input terminal, the first end of the first common-mode inductor LCM1 and the first end of the third common-mode inductor LCM3 are connected to the first differential-mode filter circuit, the second end of the first common-mode inductor LCM1 and the second end of the third common-mode inductor LCM3 are connected to the second differential-mode filter circuit, the first end of the second common-mode inductor LCM2 and the first end of the fourth common-mode inductor LCM4 are connected to the second common-mode filter circuit, and the second end of the second common-mode inductor LCM2 and the second end of the fourth common-mode inductor LCM4 are connected to the third differential-mode filter circuit.

3. The battery according to claim 2, characterized in that The first positive transmission line bundle includes a first DC bus and a second DC bus, and the first negative transmission line bundle includes a third DC bus and a fourth DC bus; The first DC bus surrounds one side of the first nanocrystalline magnetic ring, and two ends of the first DC bus serve as two ends of the first common mode inductor LCM1; The third DC bus surrounds the other side of the first nanocrystalline magnetic ring, and two ends of the second DC bus serve as two ends of the third common mode inductor LCM3; The second DC bus surrounds one side of the second nanocrystalline magnetic ring, and two ends of the third DC bus serve as two ends of the second common mode inductor LCM2; The fourth DC bus surrounds the other side of the second nanocrystalline magnetic ring, and two ends of the fourth DC bus serve as two ends of the fourth common mode inductor LCM4; A first end of the first DC bus is connected to the first positive input end, a second end of the first DC bus is connected to a first end of the second DC bus, and a second end of the second DC bus serves as a first positive output end of the first filter circuit; The first end of the third DC bus is connected to the first negative input end, the second end of the third DC bus is connected to the first end of the fourth DC bus, and the second end of the fourth DC bus serves as the first negative output end of the first filter circuit.

4. The battery according to claim 2, characterized in that The first common-mode filter circuit includes a first common-mode capacitor CY1 and a second common-mode capacitor CY2 connected in series, and the first common-mode capacitor CY1 and the second common-mode capacitor CY2 are grounded; The second common-mode filter circuit includes a third common-mode capacitor CY3 and a fourth common-mode capacitor CY4 connected in series, and the third common-mode capacitor CY3 and the fourth common-mode capacitor CY4 are grounded.

5. The battery according to claim 1, characterized in that The battery further includes: a battery management device, a monitoring device, a second filter circuit and a second transmission harness; The battery management device, the monitoring device, the second filter circuit and the second transmission harness are integrated in the cabin shell; The monitoring device is connected to the first transmission harness and the battery management device, and is used to control the electric energy transmitted by the first transmission harness and generate control data; The battery management device is connected to the battery pack and the monitoring device respectively, and the battery management device is used to obtain the operating parameters from the battery pack and obtain the control data from the monitoring device; The battery management device uses the second transmission harness to pass through the cabin shell to communicate data with the external control device; The second filtering circuit is used to filter electromagnetic waves generated when the second transmission line bundle transmits data.

6. The battery according to claim 5, characterized in that The second transmission line bundle includes a second positive transmission line bundle and a second negative transmission line bundle; The second positive transmission line bundle is connected to the second positive input terminal of the second filtering circuit, and the second negative transmission line bundle is connected to the second negative input terminal of the second filtering circuit; The second filter circuit includes: a first differential mode magnetic ring LMD1, a second differential mode magnetic ring LMD2, a fifth common mode inductor LCM5, a sixth common mode inductor LCM6, a through filter circuit, a third common mode filter circuit, a fourth common mode filter circuit, a fourth differential mode filter circuit, a fifth differential mode filter circuit and a sixth differential mode filter circuit; The second positive input terminal is connected to the first end of the first differential mode magnetic ring LMD1, the second end of the first differential mode magnetic ring LMD1 is connected to the first end of the fifth common mode inductor LCM5, and the second end of the fifth common mode inductor LCM5 is connected to the second positive output terminal of the second filter circuit; The second negative input terminal is connected to the first end of the second differential mode magnetic ring LMD2, the second end of the second differential mode magnetic ring LMD2 is connected to the first end of the sixth common mode inductor LCM6, and the second end of the sixth common mode inductor LCM5 is connected to the second negative output terminal of the second filter circuit; The through-type filter circuit is connected between the second positive input terminal and the second negative input terminal, the third common-mode filter circuit and the fourth differential-mode filter circuit are connected in parallel to the first end of the first differential-mode magnetic ring LMD1 and the first end of the second differential-mode magnetic ring LMD2, the second end of the first differential-mode magnetic ring LMD1 and the second end of the second differential-mode magnetic ring LMD2 are connected to the fifth differential-mode filter circuit, the fourth common-mode filter circuit and the fifth differential-mode filter circuit are connected in parallel and connected to the first end of the fifth common-mode inductor LCM5 and the first end of the sixth common-mode inductor LCM6, the second end of the fifth common-mode inductor LCM5 and the second end of the sixth common-mode inductor LCM6 are connected to the sixth differential-mode filter circuit.

7. The battery according to claim 6, characterized in that The second positive transmission line bundle includes a fifth DC bus, and the second negative transmission line bundle includes a sixth DC bus; The fifth DC bus surrounds one side of the third nanocrystalline magnetic ring, and two ends of the fifth DC bus serve as two ends of the fifth common mode inductor LCM5; The sixth DC bus surrounds the other side of the third nanocrystalline magnetic ring, and two ends of the sixth DC bus serve as two ends of the sixth common mode inductor LCM6; A first end of the fifth DC bus is connected to a second end of the first differential mode magnetic ring LMD1, and the second end of the fifth DC bus serves as a first positive output end of the second filter circuit; The first end of the sixth DC bus is connected to the second end of the second differential mode magnetic ring LMD2, and the second end of the sixth DC bus serves as the first negative output end of the second filter circuit.

8. The battery according to claim 6, characterized in that The battery further comprises: a first isolation compartment and a second isolation compartment; The first isolation chamber and the second isolation chamber are integrated into the chamber housing, and the first isolation chamber is used to enclose the first filtering circuit; The second isolation compartment is used to enclose the second filtering circuit.

9. The battery according to claim 8, characterized in that The through-type filtering circuit comprises: a through-type filter; The through filter of the through filter circuit is fixedly connected to the second isolation compartment, so that the second transmission line bundle passes through the second isolation compartment through the through hole of the through filter.

10. The battery according to claim 8, characterized in that The battery further comprises: a separator; The isolation plate is installed between the first isolation chamber and the second isolation chamber, and is used to isolate electromagnetic waves generated by the first filter circuit and the second filter circuit.

11. The battery according to claim 8, characterized in that The first isolation compartment and / or the second isolation compartment are: Metal material or composite material with metal coating sprayed on the shell surface.

12. A vehicle, characterized in that: The vehicle is equipped with the battery with a housing as claimed in claim 1.

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