In-vehicle integrated equipment

Abstract

This application provides an in-vehicle integrated device. The in-vehicle integrated device includes a power conversion module, a drive module, a detection module, and a housing. The output terminal of the drive module is connected to the control terminal of the power conversion module. The input terminal of the detection module is connected to the power conversion module, and its output terminal is connected to the input terminal of the drive module. The detection module is used to detect the parameters of the power conversion module. The drive module, power conversion module, and detection module are packaged and integrated within the housing. This application integrates the power conversion module, drive module, and detection module within the housing, making the layout of multiple modules within the housing more compact. This significantly reduces the installation space occupied by multiple modules on the circuit board, improves the timeliness and reliability of signal transmission between modules, and allows the detection module to detect the parameters of the power conversion module in real time, facilitating timely response of the drive module to anomalies in the power conversion module, thereby improving the safety, stability, and reliability of the in-vehicle integrated device.

Description

Technical Field

[0001] This application relates to the field of vehicle-mounted equipment technology, and more particularly to a vehicle-mounted integrated device. Background Technology

[0002] In current automotive equipment, firstly, the power conversion module and drive module are typically present as discrete components. This results in a dispersed layout of the power conversion and drive modules, occupying a significant amount of board space and increasing the impedance of the connection lines between them. This leads to severe signal transmission delays and reduces the interference immunity and overall efficiency of the power conversion and drive modules, ultimately lowering the stability and reliability of the automotive equipment. Secondly, existing automotive equipment lacks real-time monitoring of the key parameters of the power conversion module. This prevents other modules from responding promptly to anomalies in the power conversion module, further reducing the safety, stability, and reliability of the automotive equipment. Utility Model Content

[0003] This application provides an in-vehicle integrated device that can solve at least some of the above-mentioned technical problems.

[0004] This application provides an in-vehicle integrated device, including: Power conversion module; The output terminal of the drive module is connected to the control terminal of the power conversion module; A detection module, wherein the input terminal of the detection module is connected to the output terminal of the power conversion module, and the output terminal of the detection module is connected to the input terminal of the drive module, and the detection module is used to detect the parameters of the power conversion module; The drive module, the power conversion module, and the detection module are encapsulated and integrated within the housing.

[0005] This application provides an in-vehicle integrated device. The in-vehicle integrated device includes a power conversion module, a drive module, a detection module, and a housing. The output terminal of the drive module is connected to the control terminal of the power conversion module, the input terminal of the detection module is connected to the power conversion module, and the output terminal of the detection module is connected to the input terminal of the drive module. The detection module is used to detect the parameters of the power conversion module. The drive module, the power conversion module, and the detection module are encapsulated and integrated within the housing.

[0006] This application integrates the power conversion module, the drive module, and the detection module within the housing, resulting in a more compact layout of multiple modules within the housing. This significantly reduces the installation space occupied by the modules on the circuit board, enabling integration and freeing up more installation space for other devices. Furthermore, this integrated design reduces the impedance of the connection lines between the power conversion module and the drive module, improving the timeliness and reliability of signal transmission between them. It also enhances the anti-interference capability of the power conversion module and the drive module, as well as the overall efficiency of the vehicle-mounted integrated device. Additionally, it reduces electromagnetic interference affecting the connections between the various modules within the vehicle-mounted integrated device, thereby improving its stability and reliability. Moreover, the detection module can monitor the parameters of the power conversion module in real time, facilitating timely response from the drive module to any anomalies, further enhancing the safety, stability, and reliability of the vehicle-mounted integrated device.

[0007] In one optional embodiment, the detection module includes at least one temperature detection module, which is attached to the outer surface of the power conversion module and is used to detect the temperature of the power conversion module.

[0008] In one optional embodiment, the detection module includes at least one current detection module connected in series in the output circuit of the power conversion module, and the current detection module is used to detect the current in the output circuit of the power conversion module.

[0009] In one optional embodiment, the driving module includes a signal processing circuit connected between the output terminal and the input terminal of the driving module; or, the driving module includes a signal processing circuit and an isolation circuit, the signal processing circuit being connected between the output terminal and the input terminal of the driving module, and the isolation circuit being connected between the signal processing circuit and the input terminal of the driving module.

[0010] In one optional embodiment, the in-vehicle integrated device further includes an isolator disposed between the drive module and the power conversion module.

[0011] In one optional embodiment, the housing is provided with a heat dissipation area, and the power conversion module is located inside the housing near the heat dissipation area.

[0012] In one optional embodiment, the vehicle-mounted integrated device further includes a heat sink disposed between the power conversion module and the heat dissipation area.

[0013] In one optional embodiment, the vehicle-mounted integrated device further includes a heat-conducting component disposed between the outer surfaces of the temperature detection module and the power conversion module.

[0014] In one optional embodiment, the detection module includes at least two temperature detection modules and / or at least two current detection modules, wherein the at least two temperature detection modules are respectively attached to the outer surface of the power conversion module, and the at least two current detection modules are respectively connected in series in the output circuit of the power conversion module.

[0015] In one optional embodiment, the driving module includes a protection circuit connected between the output terminal and the input terminal of the driving module, and connected to the detection module through the input terminal of the driving module.

[0016] In one optional embodiment, the vehicle-mounted integrated device further includes a ground layer and a power layer, with the power supply terminals of at least the power conversion module and the drive module connected to the power layer, and the ground terminals of at least the power conversion module and the drive module connected to the ground layer. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a structural block diagram of an in-vehicle integrated device according to one embodiment of this application.

[0019] Figure 2 This is a structural block diagram of the detection module in one embodiment of this application.

[0020] Figure 3 This is a structural block diagram of a temperature detection module in one embodiment of this application.

[0021] Figure 4 This is a structural block diagram of the detection module in another embodiment of this application.

[0022] Figure 5 This is a structural block diagram of a current detection module in one embodiment of this application.

[0023] Figure 6 This is a structural block diagram of the detection module in another embodiment of this application.

[0024] Figure 7 This is a schematic diagram of an in-vehicle integrated device according to one embodiment of this application.

[0025] Icon labels: Vehicle-mounted integrated equipment-100; power conversion module-1; drive module-2; signal processing circuit-21; isolation circuit-22; detection module-3; temperature detection module-31; temperature sensor-311; current detection module-32; current sensor-321; housing-4. Detailed Implementation

[0026] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0027] In this application, the reference to "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it a mutually exclusive, independent, or alternative embodiment to other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described in this application can be combined with other embodiments.

[0028] In the description of the embodiments of this application, it should be understood that the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. The term "connection" in this application, unless otherwise specified, primarily refers to a physical structural connection; however, if specified, it may also include direct or indirect connections. The terms "first" and "second" in the specification, claims, and accompanying drawings of this application are used to distinguish different objects, not to describe a specific order. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion.

[0029] Please see Figure 1 , Figure 1 This is a structural block diagram of an in-vehicle integrated device 100 according to an embodiment of this application. The in-vehicle integrated device 100 includes a power conversion module 1, a drive module 2, a detection module 3, and a housing 4. The output terminal of the drive module 2 is connected to the control terminal of the power conversion module 1, the input terminal of the detection module 3 is connected to the output terminal of the power conversion module 1, and the output terminal of the detection module 3 is connected to the input terminal of the drive module 2. The detection module 3 is used to detect the parameters of the power conversion module 1. The drive module 2, the power conversion module 1, and the detection module 3 are encapsulated and integrated within the housing 4.

[0030] Thus, by encapsulating and integrating the power conversion module 1, the drive module 2, and the detection module 3 within the housing 4, the layout of multiple modules within the housing 4 becomes more compact, significantly reducing the installation space occupied by multiple modules on the circuit board. This integration frees up more installation space for other devices. Furthermore, this integrated design reduces the impedance of the connection lines between the power conversion module 1 and the drive module 2, improving the timeliness and reliability of signal transmission between them. It also enhances the anti-interference capability of the power conversion module 1 and the drive module 2, as well as the overall efficiency of the vehicle-mounted integrated device 100. Additionally, it reduces electromagnetic interference affecting the connections between the various modules within the vehicle-mounted integrated device 100, thereby improving the stability and reliability of the vehicle-mounted integrated device 100. Moreover, the detection module 3 can detect the parameters of the power conversion module 1 in real time, facilitating timely response from the drive module 2 to any anomalies occurring in the power conversion module 1, further improving the safety, stability, and reliability of the vehicle-mounted integrated device 100.

[0031] The drive module 2 outputs a drive signal to the control terminal of the power conversion module 1 to control the output of the power conversion module 1. Furthermore, the detection module 3 monitors the parameters of the power conversion module 1 in real time and outputs corresponding parameter signals to the drive module 2. This allows the drive module 2 to dynamically adjust its output drive signal based on the parameter signals fed back by the detection module 3, thereby adjusting the operating parameters of the power conversion module 1 and controlling its output. This achieves dynamic control and adjustment of the power conversion module 1, preventing performance degradation or damage due to overheating, overcurrent, or other abnormal operating conditions, extending its service life, making it more stable, improving the safety and reliability of both the power conversion module 1 and the vehicle-mounted integrated device 100, and enhancing the intelligence level of the vehicle-mounted integrated device 100.

[0032] In some embodiments, the housing 4 is made of a metallized ceramic matrix composite material with excellent insulation performance, outstanding heat dissipation performance and certain electromagnetic shielding capability. The housing 4 can provide reliable electrical isolation for the internal modules and efficiently dissipate the heat generated by the power conversion module 1 and other modules. At the same time, it can also effectively block external electromagnetic interference from entering the interior of the housing 4.

[0033] In some embodiments, the output terminal of the drive module 2 is connected to the control terminal of the power conversion module 1 through a low-impedance metal wire with a shielding layer. The shielding layer of the metal wire is grounded, which can effectively shield the electromagnetic interference generated by the output terminal of the drive module 2 during the output of the drive signal, and greatly reduce the signal transmission loss and signal delay.

[0034] In some embodiments, the power conversion module 1 may be made of high-performance silicon (Si), silicon carbide (SiC), or gallium nitride (GaN) materials.

[0035] Please see Figure 2 , Figure 2 This is a structural block diagram of the detection module 3 in one embodiment of this application. In some embodiments, the detection module 3 includes at least one temperature detection module 31, which is attached to the outer surface of the power conversion module 1 and is used to detect the temperature of the power conversion module 1.

[0036] Therefore, the temperature detection module 31 can detect the temperature of the power conversion module 1 in real time, which facilitates the drive module 2 to respond promptly to any abnormalities that occur in the power conversion module 1. Furthermore, the temperature detection module 31 is attached to the outer surface of the power conversion module 1, ensuring that the temperature detection module 31 can accurately detect the temperature of the power conversion module 1 and its temperature changes, thereby further improving the safety, stability, and reliability of the vehicle-mounted integrated device 100.

[0037] Please see Figure 3 , Figure 3 This is a structural block diagram of a temperature detection module 31 according to one embodiment of this application. In some embodiments, the temperature detection module 31 includes a temperature sensor 311, which is attached to the outer surface of the power conversion module 1, and the temperature detection module 31 is used to detect the temperature of the power conversion module 1 through the temperature sensor 311.

[0038] In some embodiments, the temperature sensor 311 uses a high-precision, fast-response thermistor or thermocouple as the sensing element.

[0039] In some embodiments, the temperature sensor 311 is closely attached to the outer surface of the main heat-generating part of the power conversion module 1 to ensure that the temperature sensor 311 can accurately detect the temperature of the power conversion module 1 and temperature changes.

[0040] Please see Figure 4 , Figure 4This is a structural block diagram of the detection module 3 in another embodiment of this application. In some embodiments, the detection module 3 includes at least one current detection module 32, which is connected in series in the output circuit of the power conversion module 1, and is used to detect the current in the output circuit of the power conversion module 1.

[0041] Therefore, the current detection module 32 can detect the current in the output circuit of the power conversion module 1 in real time, which facilitates the drive module 2 to respond promptly to any abnormalities that occur in the power conversion module 1, and further improves the safety, stability and reliability of the vehicle-mounted integrated device 100.

[0042] Please see Figure 5 , Figure 5 This is a structural block diagram of the current detection module 32 in one embodiment of this application. In some embodiments, the current detection module 32 includes a current sensor 321, which is connected in series in the output circuit of the power conversion module 1. The current detection module 32 is used to detect the current in the output circuit of the power conversion module 1 through the current sensor 321.

[0043] In some embodiments, the current sensor 321 is a high-precision current sensor 321 based on the Hall effect or magnetoresistive effect. This type of current sensor 321 can quickly and accurately measure the current in the output circuit of the power conversion module 1.

[0044] Please see Figure 6 , Figure 6 This is a structural block diagram of the detection module 3 in another embodiment of this application. In some embodiments, the detection module 3 includes at least one current detection module 32 and at least one temperature detection module 31.

[0045] Please see Figure 7 , Figure 7 This is a schematic diagram of an in-vehicle integrated device 100 according to one embodiment of this application. In some embodiments, the temperature detection module 31 is attached to the outer surface of the power conversion module 1, the current detection module 32 is connected in series in the output circuit of the power output module, and the output terminals of the temperature detection module 31 and the current detection module 32 are connected to the input terminal of the drive module 2. The temperature detection module 31 and the current detection module 32 detect the temperature and current of the power conversion module 1 and output corresponding temperature and current signals to the drive module 2. The drive module 2 is used to adjust the output drive signal based on the received temperature and current signals, thereby adjusting the operating parameters of the power conversion module 1 to control and adjust the output of the power conversion module 1.

[0046] Therefore, the detection module 3, power conversion module 1, and drive module 2 integrated in the vehicle-mounted integrated device 100 can monitor the parameters of the power conversion module 1 in real time through the detection module 3, and the drive module 2 can dynamically adjust the output drive signal according to the parameter signal fed back by the detection module 3, so as to realize the dynamic control and adjustment of the power conversion module 1. This avoids the power conversion module 1 from performance degradation or damage due to abnormal operating conditions such as overheating and overcurrent, extends the service life of the power conversion module 1, makes the power conversion module 1 more stable, and improves the safety and reliability of the power conversion module 1 and the vehicle-mounted integrated device 100, while also enhancing the intelligence level of the vehicle-mounted integrated device 100.

[0047] In some embodiments, such as Figure 7 As shown, the power conversion module 1 includes a half-bridge circuit composed of transistors. The drive signal output by the drive module 2 controls the operating parameters of the transistors, thereby controlling the output of the power conversion module 1. The drive module 2 can adjust the output drive signal by adjusting its pulse width, frequency, and phase. Furthermore, the drive signal can be used to adjust the operating parameters of the power conversion module 1. Adjusting the operating parameters of the power conversion module 1 can include reducing the switching frequency of the transistors within the power conversion module 1 and decreasing the on-time of the transistors within the power conversion module 1, thereby reducing the heat generated by the power conversion module 1.

[0048] In some embodiments, such as Figure 7 As shown, when the detection module 3 includes a temperature detection module 31, the temperature detection module 31 can convert the collected temperature into a temperature signal that is easy to process and output it to the drive module 2.

[0049] In some embodiments, such as Figure 7 As shown, when the detection module 3 includes a current detection module 32, the current detection module 32 can convert the collected current into a current signal that is easy to process and output it to the drive module 2.

[0050] In some embodiments, the driving module 2 includes a signal processing circuit 21 connected between the output terminal and the input terminal of the driving module 2; or, the driving module 2 includes a signal processing circuit 21 and an isolation circuit 22, with the signal processing circuit 21 connected between the output terminal and the input terminal of the driving module 2, and the isolation circuit 22 connected between the signal processing circuit 21 and the input terminal of the driving module 2.

[0051] Therefore, the output terminal of the detection module 3 is connected to the signal processing circuit 21 to output parameter signals to the signal processing circuit 21 for processing. When the driving module 2 includes an isolation circuit 22, the isolation circuit 22 electrically isolates the signal processing circuit 21 and the detection module 3, preventing electrical interference between the signal processing circuit 21 and the detection module 3 and suppressing noise. Furthermore, the isolation circuit 22 can also realize the transmission and conversion of levels and signals between the detection module 3 and the signal processing circuit 21 as needed, so that the levels and signals are adapted to the corresponding modules, enabling reliable communication and data exchange between different circuits and modules.

[0052] In some embodiments, the output terminal of the isolation circuit 22 and the port of the drive module 2 output drive signal (i.e., drive signal 3 and drive signal 4 in the figure) are connected by a differential circuit, and the key signals are grounded to further enhance the anti-interference capability of each module inside the vehicle integrated device 100.

[0053] In some embodiments, the vehicle-mounted integrated device 100 further includes a ground layer and a power layer, with at least the power terminals of the power conversion module 1 and the drive module 2 connected to the power layer, and at least the ground terminals of the power conversion module 1 and the drive module 2 connected to the ground layer.

[0054] Therefore, by setting up independent grounding and power layers inside the vehicle-mounted integrated device 100, at least some modules inside the vehicle-mounted integrated device 100 can be directly connected to the grounding and power layers inside the vehicle-mounted integrated device 100 without having to bring out their pins to connect to external grounding and power layers. This shortens the connection lines and signal transmission paths of the modules inside the vehicle-mounted integrated device 100, significantly improves the overall efficiency of the vehicle-mounted integrated device 100, effectively enhances the anti-electromagnetic interference capability of the vehicle-mounted integrated device 100, and greatly improves the reliability and stability of the vehicle-mounted integrated device 100 in complex vehicle environments.

[0055] In some embodiments, the ground plane includes a power ground plane and a drive ground plane (i.e., the signal ground plane of the signal processing circuit 21), the power ground plane and the drive ground plane are set separately, and the power conversion module 1 and the drive module 2 are connected to their respective ground planes to reduce signal cross-interference between the power conversion module 1 and the drive module 2.

[0056] In some embodiments, the power supply terminal of the detection module 3 is also connected to the power supply layer, and the ground terminal of the detection module 3 is also connected to the ground layer.

[0057] In some embodiments, such as Figure 7As shown, the three connection terminals of the power conversion module 1 are respectively connected to DC+, DC- and the device M that needs to be powered by the power conversion module 1. DC+ and DC- supply power to the power conversion module 1 and the transistors in the power conversion module 1. The device M receives AC power after the power conversion module 1 converts DC power to AC power, so as to charge or supply power through the power conversion module 1.

[0058] In some embodiments, such as Figure 7 As shown, drive signal 1 and drive signal 2 are signals output by an external control terminal or other chip that can control the working state of the drive module 2. Figure 7 The others are the enable signals required by the drive module 2 and other signals that can control the drive module 2.

[0059] In some embodiments, the in-vehicle integrated device 100 further includes an isolator disposed between the drive module 2 and the power conversion module 1.

[0060] Thus, the isolator separates the drive module 2 and the power conversion module 1, reducing electromagnetic coupling between them and thereby reducing interference from electromagnetic coupling, thus improving the stability and reliability of the vehicle-mounted equipment.

[0061] In some embodiments, the isolation element is an isolation plate.

[0062] In some embodiments, the housing 4 is provided with a heat dissipation area, and the power conversion module 1 is located inside the housing 4 near the heat dissipation area.

[0063] Therefore, since the power conversion module 1 generates a large amount of heat, encapsulating the power conversion module 1, which generates a large amount of heat, within the housing 4 near the heat dissipation area facilitates the faster dissipation of the heat generated by the power conversion module 1. This quickly reduces the temperature inside the power conversion module 1 and the vehicle integrated device 100, preventing excessively high temperatures from burning out the power conversion module 1 or even the vehicle integrated device 100. This improves the safety, stability, and reliability of the power conversion module 1 and the vehicle integrated device 100.

[0064] In some embodiments, the vehicle-mounted integrated device 100 further includes a heat sink disposed between the power conversion module 1 and the heat dissipation area.

[0065] Therefore, the heat sink can quickly conduct the large amount of heat generated by the power conversion module 1 during operation to the housing 4, and further conduct the heat to the external environment through the housing 4, thereby accelerating the heat dissipation speed of the power conversion module 1. This rapidly reduces the temperature inside the power conversion module 1 and the vehicle integrated device 100, preventing excessively high temperatures from burning out the power conversion module 1 or even the vehicle integrated device 100, and improving the safety, stability, and reliability of the power conversion module 1 and the vehicle integrated device 100.

[0066] Specifically, a large-area heat sink with high thermal conductivity is provided between the outer surface of the bottom of the power conversion module 1 and the heat dissipation area. The heat sink is closely attached to the heat dissipation area of ​​the outer shell 4 so as to quickly conduct heat to the surrounding environment through the outer shell 4.

[0067] In some embodiments, the heat sink is made of a copper-aluminum alloy material with high thermal conductivity.

[0068] In some embodiments, the vehicle-mounted integrated device 100 further includes a heat-conducting component disposed between the temperature detection module 3 (which may also be a temperature sensor 311) and the outer surface of the power conversion module 1.

[0069] Therefore, the heat-conducting component is disposed between the temperature sensor 311 and the outer surface of the power conversion module 1. The heat-conducting component is used to efficiently transfer the heat of the power conversion module 1 to the temperature detection module 31, thereby enabling the temperature detection module 31 to quickly and accurately detect the temperature of the power conversion module 1, so that the real-time monitoring of the temperature detection module 31 is faster and more accurate.

[0070] In some embodiments, the thermally conductive element is silicone with high thermal conductivity or a metal connector with low resistance.

[0071] In some embodiments, such as Figure 7 As shown, the detection module 3 includes at least two temperature detection modules 31 and / or at least two current detection modules 32. The at least two temperature detection modules 31 are respectively attached to the outer surface of the power conversion module 1, and the at least two current detection modules 32 are respectively connected in series in the output circuit of the power conversion module 1.

[0072] Therefore, the detection module 3 includes at least two temperature detection modules 31 and / or at least two current detection modules 32, which can monitor the status of the power conversion module 1 in real time, improve the reliability and accuracy of the parameters of the power conversion module 1 detected by the detection module 3, and the redundant backup of the temperature detection module 31 and the current detection module 32 also ensures the reliability of the operation of the detection module 3, avoiding the situation where the power conversion module 1 is damaged and cannot detect the corresponding parameter signal or cannot know the status of the power conversion module 1 in time due to the inaccuracy of the detected corresponding parameters when one temperature detection module 31 and / or one current detection module 32 is damaged.

[0073] Specifically, taking the detection module 3, which includes two temperature detection modules 31, as an example, when the temperature values ​​of the power conversion module 1 detected by the two temperature detection modules 31 are inconsistent, the drive module 2 receives two inconsistent temperature signals and can output a drive signal according to actual needs to control the power conversion module 1 to stop working, or control the power conversion module 1 to reduce the output power and reduce the heat generation of the power conversion module 1, thereby avoiding damage to the power conversion module 1.

[0074] In some embodiments, the drive module 2 includes a protection circuit connected between the output terminal and the input terminal of the drive module 2, and connected to the detection module 3 through the input terminal of the drive module 2.

[0075] Therefore, the protection circuit in the drive module 2 can determine that the power conversion module 1 is currently in an abnormal state when it receives the parameter signal of the power conversion module 1, and then perform the abnormal protection function when the power conversion module 1 is currently in an abnormal state. It can quickly respond and handle when the power conversion module 1 is in an abnormal state, so as to protect the power conversion module 1 from damage.

[0076] Specifically, the abnormal state includes at least one of overcurrent, overvoltage, undervoltage, and overheating, and the abnormal protection function includes at least one of overcurrent protection, overvoltage protection, undervoltage protection, and overheating protection.

[0077] The abnormal protection function can be to shut down the power conversion module 1 so that the power conversion module 1 stops working.

[0078] In some embodiments, the protection circuit may also determine whether to perform an abnormal protection function for the drive module 2 based on the detected parameters of the drive module 2. Specifically, when the drive module 2 is in at least one of the abnormal states of overvoltage, overcurrent, undervoltage, and overheating, the abnormal protection function may be performed to shut down the drive module 2.

[0079] Specifically, the detection module 3 here includes a temperature detection module 31 and a current detection module 32. The manufacturing process of the vehicle-mounted integrated device 100 is as follows: First, the power conversion module 1, the drive module 2, and the detection module 3 are mounted on a multilayer PCB substrate using flip-chip technology or surface mount technology. The output terminal of the drive module 2 is connected to the control terminal of the power conversion module 1. Then, the electrical connections between the modules are completed as needed.

[0080] Secondly, after completing the chip installation of each module and the electrical connections between them, the resulting assembly is placed in a packaging mold, and a metallized ceramic matrix composite material is injected to form the outer shell 4 to complete the packaging. After packaging, the heat sink is installed at the bottom of the power conversion module 1, ensuring that the heat sink is in close contact with the heat dissipation area of ​​the outer shell 4. Thermally conductive materials such as thermally conductive adhesive are injected at certain connection points (such as between the temperature sensor 311 and the outer surface of the power conversion module 1) to enhance the heat conduction effect. At the same time, the heat dissipation area is cleaned and adjusted to ensure smooth airflow and good heat dissipation.

[0081] Secondly, after the vehicle-mounted integrated device 100 is assembled, the temperature detection module 31 and the current detection module 32 are individually debugged. By simulating different temperature and current environments, the measurement accuracy of the temperature sensor 311 and the current sensor 321 is calibrated to ensure that the temperature and current output by the temperature sensor 311 and the current sensor 321 are accurate and reliable. At the same time, the switching function between the redundant backup modules of the temperature detection module 31 and the current detection module 32 is tested to ensure that the other temperature detection module 31 can continue to work when one of the temperature detection modules 31 fails, and the other current detection module 32 can continue to work when one of the current detection modules 32 fails.

[0082] Finally, the drive module 2 is comprehensively debugged and optimized by simulating various normal and abnormal states. For example, by adjusting the pulse parameters of the drive signal output by the drive module 2, the working state and performance of the power conversion module 1 are observed. Based on the test results, the drive module 2 is optimized to ensure that the drive module 2 can accurately and stably control the power conversion module 1 under different operating conditions.

[0083] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Where there is no conflict, the embodiments and features in the embodiments of this application can be combined with each other. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. An in-vehicle integrated device characterized by comprising: include: Power conversion module; The output terminal of the drive module is connected to the control terminal of the power conversion module; A detection module, wherein the input terminal of the detection module is connected to the output terminal of the power conversion module, and the output terminal of the detection module is connected to the input terminal of the drive module, and the detection module is used to detect the parameters of the power conversion module; The drive module, the power conversion module, and the detection module are encapsulated and integrated within the housing.

2. The in-vehicle integrated device according to claim 1, characterized by, The detection module includes at least one temperature detection module, which is attached to the outer surface of the power conversion module and is used to detect the temperature of the power conversion module.

3. The in-vehicle integrated device according to claim 2, characterized by, The detection module includes at least one current detection module, which is connected in series in the output circuit of the power conversion module. The current detection module is used to detect the current in the output circuit of the power conversion module.

4. The in-vehicle integrated device according to claim 1, characterized by, The driving module includes a signal processing circuit, which is connected between the output terminal and the input terminal of the driving module; or, The driving module includes a signal processing circuit and an isolation circuit. The signal processing circuit is connected between the output terminal and the input terminal of the driving module, and the isolation circuit is connected between the signal processing circuit and the input terminal of the driving module.

5. The in-vehicle integrated device according to claim 1, characterized by, The vehicle-mounted integrated device also includes an isolator, which is disposed between the drive module and the power conversion module.

6. The in-vehicle integrated device according to claim 1, characterized by, The housing has a heat dissipation area, and the power conversion module is located inside the housing near the heat dissipation area.

7. The in-vehicle integrated device according to claim 6, characterized by, The vehicle-mounted integrated device also includes a heat sink, which is disposed between the power conversion module and the heat dissipation area.

8. The vehicle-mounted integrated device according to claim 2, characterized in that, The vehicle-mounted integrated device also includes a heat-conducting component, which is disposed between the outer surfaces of the temperature detection module and the power conversion module.

9. The in-vehicle integrated device according to claim 3, characterized by, The detection module includes at least two temperature detection modules and / or at least two current detection modules. The at least two temperature detection modules are respectively attached to the outer surface of the power conversion module, and the at least two current detection modules are respectively connected in series in the output circuit of the power conversion module.

10. The in-vehicle integrated device according to claim 1, characterized by, The drive module includes a protection circuit, which is connected between the output terminal and the input terminal of the drive module.

11. The in-vehicle integrated device according to claim 1, characterized by, The vehicle-mounted integrated device further includes a ground layer and a power layer, with the power supply terminals of at least the power conversion module and the drive module connected to the power layer, and the ground terminals of at least the power conversion module and the drive module connected to the ground layer.

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