Device for simulating battery load and electronic equipment

Abstract

The utility model discloses a battery load simulation device and electronic equipment, the device comprises a resistive load regulation and control module, a capacitive load regulation and control module, a first inductive load regulation and control module, a second inductive load regulation and control module and a stability maintenance module, and the resistive load regulation and control module executes corresponding resistive load regulation and control operation; corresponding capacitive load regulation and control operation is executed through the capacitive load regulation and control module; corresponding inductive load regulation and control operation is executed through the first inductive load regulation and control module and the second inductive load regulation and control module; and executing corresponding load introduction and stability maintenance operation through the stability maintenance module. According to the utility model, the simulation setting of the battery load in different whole vehicle environments can be realized, the simulation flexibility, accuracy, reliability, efficiency and convenience of the battery load are improved, the universality and pertinence of the battery load simulation are improved, and the safety and operation stability in the battery load simulation process are improved; and the operation reliability and the adjustment timeliness of the battery are improved.

Description

Technical Field

[0001] This utility model relates to the field of battery load simulation technology, and in particular to a device and electronic equipment for simulating battery load. Background Technology

[0002] With the rapid development of new energy technologies, batteries, as the core component of energy storage, play a crucial role in many fields. In the battery testing and verification process, battery load simulation is one of the key technologies for evaluating battery performance under various operating conditions. It helps researchers understand the battery's charge-discharge characteristics, efficiency, thermal management, and cycle life under different load conditions.

[0003] However, current battery load simulation methods mainly utilize devices such as resistance boxes and programmable electronic loads, which can only simulate simple constant current or constant voltage loads, resulting in significant limitations and low accuracy and reliability in battery load simulation. Therefore, providing a technical solution that can improve the accuracy and reliability of battery load simulation is of paramount importance. Utility Model Content

[0004] This invention provides a device and electronic equipment for simulating battery load, which realizes the simulation setting of battery load under different vehicle environments, improves the flexibility, accuracy and reliability of battery load simulation, as well as the simulation efficiency and convenience, thereby improving the operational stability and reliability of the battery, the timeliness of adjustment, and thus improving the user's battery usage experience.

[0005] To address the aforementioned technical problems, the first aspect of this utility model discloses a device for simulating battery load, characterized in that the device comprises a resistive load regulation module, a capacitive load regulation module, a first inductive load regulation module, a second inductive load regulation module, and a stabilization module, wherein:

[0006] The first terminal of the resistive load regulation module is electrically connected to the first terminal of the stabilization module and is used to electrically connect to the positive terminal of the power supply device. The first terminal of the first inductive load regulation module is electrically connected to the second terminal of the resistive load regulation module. The second terminal of the first inductive load regulation module is electrically connected to the first terminal of the capacitive load regulation module. The third terminal of the first inductive load regulation module is electrically connected to the first terminal of the second inductive load regulation module. The second terminal of the capacitive load regulation module is electrically connected to the second terminal of the stabilization module. The third terminal of the capacitive load regulation module is electrically connected to the third terminal of the stabilization module and the second terminal of the second inductive load regulation module. The fourth terminal of the stabilization module is used to electrically connect to the negative terminal of the power supply device.

[0007] The resistive load control module is used to perform corresponding resistive load control operations based on the detected first load simulation demand.

[0008] The capacitive load control module is used to perform corresponding capacitive load control operations based on the detected first load simulation demand.

[0009] The first inductive load control module is used to perform a corresponding first inductive load control operation based on the detected first load simulation demand;

[0010] The second inductive load control module is used to perform corresponding second inductive load control operations based on the detected first load simulation demand;

[0011] The stabilization module is used to perform corresponding load introduction and stabilization operations based on the detected second load simulation requirements and the set load stabilization requirements.

[0012] The first load simulation requirement includes the nature of the load requirement and its corresponding load value, and is reflected through the user's first switch contact switching operation; the second load simulation requirement is reflected through the user's second switch contact switching operation.

[0013] As an optional implementation, in the first aspect of this utility model, the resistive load control module includes a first load selection circuit and a first load determination circuit, wherein:

[0014] The first terminal of the first load selection circuit is electrically connected to the first terminal of the stability module and the positive terminal of the power supply device. The second terminal of the first load selection circuit is electrically connected to the first terminal of the first load determination circuit. The third terminal of the first load selection circuit is electrically connected to the first terminal of the first inductive load regulation module and the second terminal of the first load determination circuit.

[0015] And, the first load selection circuit includes a first load selection switch, wherein:

[0016] The first terminal of the first load selection switch is electrically connected to the first terminal of the stability module and the positive terminal of the power supply device. The second terminal of the first load selection switch is electrically connected to the first terminal of the first load determination circuit. The third terminal of the first load selection switch is electrically connected to the first terminal of the first inductive load regulation module and the second terminal of the first load determination circuit.

[0017] And, the first load determination circuit includes the first load determination resistor, wherein:

[0018] The first end of the first load determining resistor is electrically connected to the second end of the first load selection circuit, and the second end of the first load determining resistor is electrically connected to the first end of the first inductive load regulation module and the third end of the first load selection circuit.

[0019] As an optional implementation, in the first aspect of this utility model, the capacitive load regulation module includes a second load determination circuit, a first discharge protection circuit, and a second load selection circuit, wherein:

[0020] The first terminal of the second load determination circuit and the first terminal of the first discharge protection circuit are electrically connected to the second terminal of the first inductive load regulation module. The second terminal of the second load determination circuit and the second terminal of the first discharge protection circuit are electrically connected to the first terminal of the second load selection circuit. The second terminal of the second load selection circuit is electrically connected to the second terminal of the stability maintenance module. The third terminal of the second load selection circuit is electrically connected to the second terminal of the second inductive load regulation module and the third terminal of the stability maintenance module.

[0021] As an optional implementation, in the first aspect of this invention, the second load determining circuit includes a first load determining capacitor, wherein:

[0022] The first terminal of the first load determining capacitor is electrically connected to the second terminal of the first inductive load regulating module and the first terminal of the first discharge protection circuit, and the second terminal of the first load determining capacitor is electrically connected to the first terminal of the second load selection circuit and the second terminal of the first discharge protection circuit.

[0023] And, the second load selection circuit includes a first load selection MOSFET, wherein:

[0024] The first terminal of the first load selection MOSFET is electrically connected to the second terminal of the second load determination circuit and the second terminal of the first discharge protection circuit. The second terminal of the first load selection MOSFET is electrically connected to the second terminal of the stability module. The third terminal of the first load selection MOSFET is electrically connected to the second terminal of the second inductive load regulation module and the third terminal of the stability module.

[0025] As an optional implementation, in the first aspect of this utility model, the first inductive load regulation module includes a third load selection circuit, a third load determination circuit, and a second discharge protection circuit, wherein:

[0026] The first terminal of the third load selection circuit is electrically connected to the second terminal of the resistive load regulation module. The second terminal of the third load selection circuit is electrically connected to the first terminal of the third load determination circuit and the first terminal of the second discharge protection circuit. The third terminal of the third load selection circuit is electrically connected to the second terminal of the third load determination circuit, the second terminal of the second discharge protection circuit, the first terminal of the capacitive load regulation module, and the first terminal of the second inductive load regulation module.

[0027] As an optional implementation, in the first aspect of this invention, the third load selection circuit includes a second load selection switch, wherein:

[0028] The first terminal of the second load selection switch is electrically connected to the second terminal of the resistive load control module, the second terminal of the second load selection switch is electrically connected to the first terminal of the third load determination circuit and the first terminal of the second discharge protection circuit, and the third terminal of the second load selection switch is electrically connected to the second terminal of the third load determination circuit, the second terminal of the second discharge protection circuit, the first terminal of the capacitive load control module and the first terminal of the second inductive load control module.

[0029] And, the third load determination circuit includes a first load determination inductor, wherein:

[0030] The first terminal of the first load determining inductor is electrically connected to the second terminal of the third load selection circuit and the first terminal of the second discharge protection circuit. The second terminal of the first load determining inductor is electrically connected to the third terminal of the third load selection circuit, the second terminal of the second discharge protection circuit, the first terminal of the capacitive load regulation module, and the first terminal of the second inductive load regulation module.

[0031] As an optional implementation, in the first aspect of this utility model, the second inductive load regulation module includes a fourth load selection circuit, a fifth load selection circuit, a fourth load determination circuit, and a third discharge protection circuit, wherein:

[0032] The first terminal of the fourth load selection circuit is electrically connected to the third terminal of the first inductive load regulation module. The second terminal of the fourth load selection circuit is electrically connected to the first terminal of the fifth load selection circuit. The second terminal of the fifth load selection circuit is electrically connected to the third terminal of the stabilization module, the third terminal of the capacitive load regulation module, the second terminal of the fourth load determination circuit, and the second terminal of the third discharge protection circuit. The third terminal of the fifth load selection circuit is electrically connected to the first terminal of the fourth load determination circuit and the first terminal of the third discharge protection circuit.

[0033] And, the fourth load selection circuit includes a third load selection switch, wherein:

[0034] The first terminal of the third load selection switch is electrically connected to the third terminal of the first inductive load control module, and the second terminal of the third load selection switch is electrically connected to the first terminal of the fifth load selection circuit.

[0035] And, the fifth load selection circuit includes a fourth load selection switch, wherein:

[0036] The first terminal of the fourth load selection switch is electrically connected to the second terminal of the fourth load selection circuit. The second terminal of the fourth load selection switch is electrically connected to the third terminal of the stabilization module, the third terminal of the capacitive load regulation module, the second terminal of the fourth load determination circuit, and the second terminal of the third discharge protection circuit. The third terminal of the fourth load selection switch is electrically connected to the first terminal of the fourth load determination circuit and the first terminal of the third discharge protection circuit.

[0037] And, the fourth load determination circuit includes a second load determination inductor, wherein:

[0038] The first terminal of the second load determining inductor is electrically connected to the third terminal of the fifth load selection circuit and the first terminal of the third discharge protection circuit. The second terminal of the second load determining inductor is electrically connected to the third terminal of the stabilization module, the third terminal of the capacitive load regulation module, the second terminal of the fifth load selection circuit, and the second terminal of the third discharge protection circuit.

[0039] As an optional implementation, in the first aspect of this utility model, the stabilization module includes a gate voltage setting module and a voltage regulation protection module, wherein:

[0040] The first terminal of the gate voltage setting module is electrically connected to the first terminal of the resistive load regulation module and to the positive terminal of the power supply device. The second terminal of the gate voltage setting module is electrically connected to the first terminal of the voltage regulation protection module. The third terminal of the gate voltage setting module is electrically connected to the second terminal of the capacitive load regulation module. The fourth terminal of the gate voltage setting module is electrically connected to the third terminal of the capacitive load regulation module, the second terminal of the second inductive load regulation module, the second terminal of the voltage regulation protection module, and to the negative terminal of the power supply device.

[0041] As an optional implementation, in the first aspect of this utility model, the gate voltage setting module includes a first voltage divider circuit, a second voltage divider circuit, a third voltage divider circuit, and a capacitive input control circuit, wherein:

[0042] The first terminal of the first voltage divider circuit is electrically connected to the first terminal of the resistive load regulation module and the positive terminal of the power supply device. The second terminal of the first voltage divider circuit is electrically connected to the first terminal of the voltage regulation protection module and the first terminal of the capacitive input control circuit. The second terminal of the capacitive input control circuit is electrically connected to the first terminal of the second voltage divider circuit. The second terminal of the second voltage divider circuit is electrically connected to the first terminal of the third voltage divider circuit and the second terminal of the capacitive load regulation module. The second terminal of the third voltage divider circuit is electrically connected to the third terminal of the capacitive load regulation module, the second terminal of the second inductive load regulation module, the second terminal of the voltage regulation protection module, and the negative terminal of the power supply device.

[0043] Furthermore, the gate voltage setting module further includes a fourth discharge protection circuit, wherein:

[0044] The first terminal of the fourth discharge protection circuit is electrically connected to the second terminal of the capacitive input control circuit, and the second terminal of the fourth discharge protection circuit is electrically connected to the first terminal of the second voltage divider circuit.

[0045] Furthermore, the voltage regulation protection module includes a circuit to prevent sudden changes and a circuit to prevent excessive sudden changes, wherein:

[0046] The first terminal of the anti-sudden change circuit is electrically connected to the first terminal of the anti-excessive change circuit and the second terminal of the gate voltage setting module. The second terminal of the anti-sudden change circuit is electrically connected to the second terminal of the anti-excessive change circuit, the third terminal of the capacitive load regulation module, the second terminal of the second inductive load regulation module, the fourth terminal of the gate voltage setting module, and the negative terminal of the power supply device.

[0047] The second aspect of this invention discloses an electronic device, the circuit board of which includes a device for simulating a battery load as disclosed in any of the first aspects.

[0048] Compared with the prior art, the embodiments of this utility model have the following beneficial effects:

[0049] This invention provides a device and electronic equipment for simulating battery load. The device includes a resistive load control module, a capacitive load control module, a first inductive load control module, a second inductive load control module, and a stabilization module. The resistive load control module is used to perform corresponding resistive load control operations based on the detected first load simulation demand. The capacitive load control module is used to perform corresponding capacitive load control operations based on the detected first load simulation demand. The first inductive load control module is used to perform corresponding first inductive load control operations based on the detected first load simulation demand. The second inductive load control module is used to perform corresponding second inductive load control operations based on the detected first load simulation demand. The stabilization module is used to perform corresponding load introduction and stabilization operations based on the detected second load simulation demand and the set load stabilization demand. As can be seen, this utility model can realize the simulation setting of battery load under different vehicle environments, improve the flexibility, accuracy and reliability of battery load simulation, as well as improve the simulation efficiency and convenience of battery load, thereby improving the universality and pertinence of battery load simulation, and improving the safety and operational stability during the battery load simulation process, thereby improving the operational reliability and adjustment timeliness of the battery, and further improving the user's battery usage experience. Attached Figure Description

[0050] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0051] Figure 1 This is a schematic diagram of the structure of a device for simulating battery load disclosed in an embodiment of this utility model;

[0052] Figure 2 This is a schematic diagram of another device for simulating battery load disclosed in an embodiment of the present invention;

[0053] Figure 3 This is a schematic diagram of the structure of an electronic device disclosed in an embodiment of this utility model. Detailed Implementation

[0054] To better understand and implement this invention, the technical solutions in the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this invention, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0055] It should be noted that, unless otherwise expressly specified and limited, the term "electrical connection" in the specification, claims, and accompanying drawings of this utility model should be interpreted broadly. For example, it can be a fixed electrical connection, a detachable electrical connection, or an integral electrical connection; it can be a mechanical electrical connection, an electrical-electrical connection, or a connection that allows for communication; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two elements or an interaction between two elements. Furthermore, the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this utility model are used to distinguish different objects, not to describe a specific order. The terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0056] Example 1

[0057] Please see Figure 1 , Figure 1 This is a schematic diagram of the structure of a device for simulating battery load disclosed in an embodiment of this utility model. Wherein, Figure 1 The described device for simulating battery load can be applied to electronic devices, as well as other devices or apparatuses that require simulating battery load; this invention does not limit its application. Figure 1 As shown, the device includes: a resistive load control module 10, a capacitive load control module 20, a first inductive load control module 30, a second inductive load control module 40, and a stabilization module 50, wherein:

[0058] The first end of the resistive load regulation module 10 is electrically connected to the first end of the stabilization module 50 and is used to electrically connect to the positive terminal of the power supply device 60. The first end of the first inductive load regulation module 30 is electrically connected to the second end of the resistive load regulation module 10. The second end of the first inductive load regulation module 30 is electrically connected to the first end of the capacitive load regulation module 20. The third end of the first inductive load regulation module 30 is electrically connected to the first end of the second inductive load regulation module 40. The second end of the capacitive load regulation module 20 is electrically connected to the second end of the stabilization module 50. The third end of the capacitive load regulation module 20 is electrically connected to the third end of the stabilization module 50 and the second end of the second inductive load regulation module 40. The fourth end of the stabilization module 50 is used to electrically connect to the negative terminal of the power supply device 60.

[0059] The resistive load regulation module 10 is used to perform corresponding resistive load regulation operations based on the detected first load simulation demand.

[0060] The capacitive load regulation module 20 is used to perform corresponding capacitive load regulation operations based on the detected first load simulation demand.

[0061] The first inductive load control module 30 is used to perform corresponding first inductive load control operations based on the detected first load simulation demand.

[0062] The second inductive load control module 40 is used to perform corresponding second inductive load control operations based on the detected first load simulation demand.

[0063] The stabilization module 50 is used to perform corresponding load introduction and stabilization operations based on the detected second load simulation requirements and the set load stabilization requirements.

[0064] The first load simulation requirement includes the nature of the load requirement and its corresponding load value, and is reflected through the user's first switch contact switching operation; the second load simulation requirement is reflected through the user's second switch contact switching operation.

[0065] Optional, such as Figure 2 As shown, the first switch contact switching operation can specifically refer to the contact switching operations corresponding to SW2, SW3, SW4, and SW5, and the second switch contact switching operation can specifically refer to the contact switching operation corresponding to SW1. Furthermore, for the first load simulation requirement, the first switch contact switching operation, the second load simulation requirement, and the second switch contact switching operation, for example: different load combinations of the entire vehicle are simulated by switching different contacts using a single-pole double-throw switch. Further, for example, the first load selection switch SW2 selects contact 1 (i.e., the first terminal is connected to the second terminal), the second load selection switch SW3 selects contact 4 (i.e., the first terminal is connected to the third terminal), and the fourth load... Selecting switch SW4 selects contact 5 (corresponding to the connection between the first and second terminals), and the third load selector switch SW5 is open. Adjusting the resistive load value can simulate the connection of the vehicle's 12V battery pack to different purely resistive loads. Alternatively, selecting contact 2 of the first load selector switch SW2 (corresponding to the connection between the first and third terminals), selecting contact 4 of the second load selector switch SW3 (corresponding to the connection between the first and third terminals), and opening the third load selector switch SW5 can simulate the connection of the vehicle's 12V battery pack to a capacitive load. Specific load values ​​can be further simulated using corresponding resistive, inductive, and capacitive components. Other cases can be obtained similarly, and this utility model embodiment is not limited.

[0066] Optionally, the application scenarios of this solution and circuit can be: when the 12V battery pack of the whole vehicle is being tested for EE, the load of the battery pack needs to be simulated and set in combination with the vehicle environment. This utility model embodiment does not limit this.

[0067] Optionally, the required load type may include, but is not limited to, purely resistive loads, purely inductive loads, purely capacitive loads, loads consisting of at least two of resistive, inductive, and capacitive loads, and other types of loads; that is, the vehicle load simulation can be performed in a purely resistive, purely inductive, or purely capacitive mode based on switch selection and adjustable load, or in a series-parallel mode of capacitive, resistive, and inductive loads based on switch selection and adjustable load. This utility model embodiment does not limit the scope of the simulation.

[0068] Optionally, a load introduction operation can be performed. For example, by combining the switch contacts to select the introduction of a capacitor into the load circuit, capacitive load simulation and control can be achieved. This embodiment of the utility model is not limited to this.

[0069] Optionally, load stabilization requirements can be exemplified by, for example, the need to protect relevant electronic components from damage, the need to control relevant voltages within a certain range, the need to ensure that relevant voltages do not change abruptly, or the need to prevent current backflow in the circuit. This embodiment of the utility model does not limit these requirements.

[0070] Optionally, the power supply device 60 can be a 12V battery pack or other power supply equipment; furthermore, the positive terminal of the power supply device 60 can correspond to KL30, that is, the positive terminal of the 12V battery pack; the negative terminal of the power supply device 60 can correspond to KL31, that is, the negative terminal of the 12V battery pack. This embodiment of the present invention does not limit the specific power supply device 60.

[0071] Optionally, the resistive load regulation module 10 can be a module for outputting resistive loads, and this embodiment of the present invention does not limit it.

[0072] Optionally, the capacitive load regulation module 20 may be a module specifically designed for outputting capacitive loads, and this embodiment of the present invention does not limit it.

[0073] Optionally, the first inductive load control module 30 and the second inductive load control module 40 may be modules specifically designed for outputting inductive loads, and this embodiment of the present invention does not limit them.

[0074] Optionally, the first inductive load control module 30 and the second inductive load control module 40 can output inductive loads in cooperation or independently, depending on the actual vehicle environment's requirements for simulating the battery pack load. This embodiment of the present invention does not limit the specific inductive load output.

[0075] It is evident that implementation Figure 1The described device for simulating battery load can simulate battery load under different vehicle environments through resistive load control module 10, capacitive load control module 20, first inductive load control module 30, second inductive load control module 40, and stabilization module 50. This improves the flexibility, accuracy, and reliability of battery load simulation, as well as its efficiency and convenience. Consequently, it enhances the versatility and specificity of battery load simulation, and improves safety and operational stability during the simulation process. This, in turn, improves battery operational reliability and timely adjustment, further enhancing the user's battery experience.

[0076] In an optional embodiment, Figure 2 This is a schematic diagram of another device for simulating battery load disclosed in an embodiment of the present invention, as shown below. Figure 2 As shown, the resistive load regulation module 10 may include a first load selection circuit 101 and a first load determination circuit 102, wherein:

[0077] The first terminal of the first load selection circuit 101 is electrically connected to the first terminal of the stabilization module 50 and the positive terminal of the power supply device 60. The second terminal of the first load selection circuit 101 is electrically connected to the first terminal of the first load determination circuit 102. The third terminal of the first load selection circuit 101 is electrically connected to the first terminal of the first inductive load regulation module 30 and the second terminal of the first load determination circuit 102.

[0078] Optionally, the first load selection circuit 101 is specifically used to determine whether the first load simulation requirement indicates whether resistive load simulation is required or not. This embodiment of the present invention does not limit this.

[0079] Optionally, the first load determination circuit 102 is specifically used to output a corresponding resistive load when the first load simulation requirement indicates that resistive load simulation is required; and to output a corresponding no-load when the first load simulation requirement indicates that resistive load simulation is not required. This embodiment of the present invention does not limit the scope of the invention.

[0080] Optionally, when the first load simulation requirement is used to indicate that resistive load simulation is required, the first terminal of the first load selection circuit 101 is connected to the second terminal of the first load selection circuit 101; when the first load simulation requirement is used to indicate that resistive load simulation is not required, the first terminal of the first load selection circuit 101 is connected to the third terminal of the first load selection circuit 101. This embodiment of the present invention does not impose any limitations.

[0081] As can be seen, the present invention can determine the first load simulation requirement through the first load selection circuit 101, indicating whether resistive load simulation is required or not, and output the corresponding resistive load or no load through the first load determination circuit 102, thereby improving the accuracy and reliability of determining the first load simulation requirement, and thus improving the timeliness, accuracy and reliability of the resistive load simulation operation, thereby improving the accuracy and reliability of resistive load simulation.

[0082] In another alternative embodiment, such as Figure 2 As shown, the first load selection circuit 101 may include a first load selection switch SW2, wherein:

[0083] The first end of the first load selection switch SW2 is electrically connected to the first end of the stabilization module 50 and the positive terminal of the power supply device 60. The second end of the first load selection switch SW2 is electrically connected to the first end of the first load determination circuit 102. The third end of the first load selection switch SW2 is electrically connected to the first end of the first inductive load regulation module 30 and the second end of the first load determination circuit 102.

[0084] Further optional, such as Figure 2 As shown, the second end of the first load selection switch SW2 can correspond to contact 1 in the first load selection switch SW2, and the third end of the first load selection switch SW2 can correspond to contact 2 in the first load selection switch SW2. This embodiment of the utility model is not limited.

[0085] Optionally, the first load selection switch SW2 can be a single-pole double-throw switch, but this embodiment of the present invention does not limit it.

[0086] As can be seen, this embodiment of the invention can determine the execution time of the resistive load simulation operation by operating the first load selection switch SW2, thereby improving the triggering flexibility of the resistive load simulation operation, as well as the reliability, accuracy, and timeliness of the execution of the resistive load simulation operation. In addition, it simplifies the structure of the device circuit, reduces the complexity and cost of the system, improves the stability and reliability of the device operation, and reduces unnecessary energy consumption. Furthermore, the contact switch can detect and control the operation of the resistive load in real time, and respond to and handle abnormal situations of the resistive load in a timely manner, thereby improving the safety of the device operation.

[0087] In yet another alternative embodiment, such as Figure 2 As shown, the first load determination circuit 102 may include a first load determination resistor R4, wherein:

[0088] The first end of the first load determining resistor R4 is electrically connected to the second end of the first load selection circuit 101, and the second end of the first load determining resistor R4 is electrically connected to the first end of the first inductive load control module 30 and the third end of the first load selection circuit 101.

[0089] Optionally, the first load determining resistor R4 can be an adjustable resistor or a non-adjustable resistor; this embodiment of the present invention does not limit the specific resistor.

[0090] Further optionally, the specific resistance value of the first load determining resistor R4 can be flexibly adjusted according to actual needs; in addition, in practical applications, the number of the first load determining resistor R4 can be adaptively adjusted according to the resistive load simulation requirements of the vehicle environment and the battery pack, and this embodiment of the present invention does not limit it.

[0091] As can be seen, this embodiment of the utility model can realize the resistive load simulation function through the first load determining resistor R4, improve the diversity, flexibility, pertinence and versatility of load simulation types, improve the accuracy, reliability and feasibility of resistive load simulation, and thus improve the accuracy and efficiency of resistive load adjustment and optimization. In addition, the resistance value of the first load determining resistor R4 can be set according to the actual resistive load simulation requirements, which is conducive to improving the rationality and accuracy of the achieved resistive load simulation effect, as well as the real-time control, flexibility and adjustability of the resistive load simulation effect, and thus conducive to improving the determination effectiveness, determination reliability and operational rationality of the first load determining resistor R4.

[0092] In yet another alternative embodiment, such as Figure 2 As shown, the capacitive load regulation module 20 may include a second load determination circuit 201, a first discharge protection circuit 202, and a second load selection circuit 203, wherein:

[0093] The first terminal of the second load determination circuit 201 and the first terminal of the first discharge protection circuit 202 are electrically connected to the second terminal of the first inductive load regulation module 30. The second terminal of the second load determination circuit 201 and the second terminal of the first discharge protection circuit 202 are electrically connected to the first terminal of the second load selection circuit 203. The second terminal of the second load selection circuit 203 is electrically connected to the second terminal of the stabilization module 50. The third terminal of the second load selection circuit 203 is electrically connected to the second terminal of the second inductive load regulation module 40 and the third terminal of the stabilization module 50.

[0094] Optionally, the second load selection circuit 203 is specifically used to determine whether the first load simulation requirement indicates that capacitive load simulation is required or not. This embodiment of the present invention does not limit this.

[0095] Optionally, the second load determination circuit 201 is specifically used to output a corresponding capacitive load when the first load simulation requirement indicates that capacitive load simulation is required; and to output a corresponding no-load when the first load simulation requirement indicates that capacitive load simulation is not required. This embodiment of the present invention does not limit the scope of the invention.

[0096] Optionally, when the first load simulation requirement indicates that capacitive load simulation is required, the first, second, and third terminals of the second load selection circuit 203 are turned on; when the first load simulation requirement indicates that capacitive load simulation is not required, the first, second, and third terminals of the second load selection circuit 203 are not turned on. This embodiment of the present invention does not limit the scope of the invention.

[0097] Further optional, such as Figure 2 As shown, the first discharge protection circuit 202 may include a first anti-reverse diode D2 and a first anti-storage resistor R5, wherein:

[0098] The first terminal of the first anti-reverse diode D2 is electrically connected to the first terminal of the second load determination circuit 201 and the second terminal of the first inductive load control module 30. The second terminal of the first anti-reverse diode D2 is electrically connected to the first terminal of the first anti-storage resistor R5. The second terminal of the first anti-storage resistor R5 is electrically connected to the second terminal of the second load determination circuit 201 and the first terminal of the second load selection circuit 203.

[0099] Optionally, the first discharge protection circuit 202 may include one or more first anti-reverse diodes D2, and the first discharge protection circuit 202 may include one or more first anti-storage resistors R5. This embodiment of the present invention is not limited.

[0100] Optional, such as Figure 2 As shown, when the gate voltage of the first load selection MOSFET M1 is greater than the threshold voltage of the first load selection MOSFET M1, the first load selection MOSFET M1 is turned on. Combined with the contact selection of the first load selection switch SW2 and the second load selection switch SW3, the first load determination capacitor C2 is introduced into the load circuit. This embodiment of the utility model is not limited.

[0101] Optionally, the first anti-reverse diode D2 and the first anti-storage resistor R5 are used to ensure that after the capacitive load simulation and testing are completed, they form a discharge circuit with the first load-determining capacitor C2 to discharge the capacitor and prevent the capacitor from storing electricity. In addition, the first anti-reverse diode D2 is used to control the current flow in a specified direction and play a protective role. This embodiment of the utility model is not limited.

[0102] As can be seen, this embodiment of the utility model can determine the first load simulation requirement through the second load selection circuit 203, indicating whether capacitive load simulation is required or not. The second load determination circuit 201 outputs the corresponding capacitive load or the corresponding no load, improving the accuracy and reliability of determining the first load simulation requirement, thereby improving the timeliness, accuracy, and reliability of the capacitive load simulation operation, and thus improving the accuracy and reliability of the capacitive load simulation. In addition, the first discharge protection circuit 202 forms a capacitor discharge circuit, preventing the capacitor from storing electricity and preventing the current from flowing back to the battery. It controls the current to flow only in the expected direction, realizing circuit protection, improving the stability and reliability of circuit signal transmission, and thus improving the operational stability and safety of the product.

[0103] In yet another alternative embodiment, such as Figure 2 As shown, the second load determination circuit 201 may include a first load determination capacitor C2, wherein:

[0104] The first end of the first load determining capacitor C2 is electrically connected to the second end of the first inductive load regulating module 30 and the first end of the first discharge protection circuit 202. The second end of the first load determining capacitor C2 is electrically connected to the first end of the second load selecting circuit 203 and the second end of the first discharge protection circuit 202.

[0105] Optionally, the first load determining capacitor C2 can be an adjustable capacitor or a non-adjustable capacitor; this embodiment of the present invention does not limit the choice.

[0106] Optionally, the second load determination circuit 201 may include one or more first load determination capacitors C2, which is not limited in this embodiment of the present invention.

[0107] As can be seen, this embodiment of the utility model can realize the capacitive load simulation function through the first load determination capacitor C2, improve the diversity, flexibility, pertinence and versatility of load simulation types, improve the accuracy, reliability and feasibility of capacitive load simulation, and thus improve the accuracy and efficiency of capacitive load adjustment and optimization. In addition, the capacitance value of the first load determination capacitor can be set according to the actual capacitive load simulation requirements, which is conducive to improving the rationality and accuracy of the achieved capacitive load simulation effect, as well as the real-time control, flexibility and adjustability of the capacitive load simulation effect, and thus conducive to improving the determination effectiveness, determination reliability and operational rationality of the first load determination capacitor C2.

[0108] In yet another alternative embodiment, such as Figure 2 As shown, the second load selection circuit 203 may include a first load selection MOSFET M1, wherein:

[0109] The first terminal of the first load selection MOSFET M1 is electrically connected to the second terminal of the second load determination circuit 201 and the second terminal of the first discharge protection circuit 202. The second terminal of the first load selection MOSFET M1 is electrically connected to the second terminal of the stabilization module 50. The third terminal of the first load selection MOSFET M1 is electrically connected to the second terminal of the second inductive load regulation module 40 and the third terminal of the stabilization module 50.

[0110] As can be seen, this embodiment of the utility model can control the conduction and cutoff of the branch by the first load selection MOS transistor M1, thereby improving the controllability, operational accuracy and reliability of capacitive load simulation, and thus improving the timeliness and accuracy of triggering and executing capacitive load simulation operations.

[0111] In yet another alternative embodiment, such as Figure 2 As shown, the first inductive load regulation module 30 may include a third load selection circuit 301, a third load determination circuit 302, and a second discharge protection circuit 303, wherein:

[0112] The first terminal of the third load selection circuit 301 is electrically connected to the second terminal of the resistive load control module 10. The second terminal of the third load selection circuit 301 is electrically connected to the first terminal of the third load determination circuit 302 and the first terminal of the second discharge protection circuit 303. The third terminal of the third load selection circuit 301 is electrically connected to the second terminal of the third load determination circuit 302, the second terminal of the second discharge protection circuit 303, the first terminal of the capacitive load control module 20, and the first terminal of the second inductive load control module 40.

[0113] Optionally, the third load selection circuit 301 is specifically used to determine whether the first load simulation requirement indicates that the first inductive load simulation needs to be performed or not. This embodiment of the present invention does not limit this.

[0114] Optionally, the third load determination circuit 302 is specifically used to output the corresponding first inductive load when the first load simulation demand indicates that the first inductive load simulation needs to be performed; and to output the corresponding no load when the first load simulation demand indicates that the first inductive load simulation does not need to be performed. This embodiment of the present invention does not limit the scope of the invention.

[0115] Optionally, when the first load simulation requirement is used to indicate that a first inductive load simulation is required, the first terminal of the third load selection circuit 301 is connected to the second terminal of the third load selection circuit 301; when the first load simulation requirement is used to indicate that a first inductive load simulation is not required, the first terminal of the third load selection circuit 301 is connected to the third terminal of the third load selection circuit 301. This embodiment of the present invention does not impose any limitations.

[0116] Further optional, such as Figure 2As shown, the second discharge protection circuit 303 may include a first transient suppression diode TVS1, wherein:

[0117] The first terminal of the first transient suppression diode TVS1 is electrically connected to the first terminal of the third load determination circuit 302 and the second terminal of the third load selection circuit 301. The second terminal of the first transient suppression diode TVS1 is electrically connected to the second terminal of the third load determination circuit 302, the third terminal of the third load selection circuit 301, the first terminal of the capacitive load control module 20, and the first terminal of the second inductive load control module 40.

[0118] Optionally, the second discharge protection circuit 303 may include one or more first transient suppression diodes (TVS1), which are not limited in this embodiment of the invention.

[0119] Optionally, the first transient suppression diode TVS1 is used to provide a release circuit for the energy in the first load determining inductor L1, preventing the inductor energy from damaging other circuits and components. This embodiment of the present invention does not limit this.

[0120] As can be seen, this embodiment of the utility model can determine the first load simulation requirement through the third load selection circuit 301, indicating whether the first inductive load simulation needs to be performed or not. The third load determination circuit 302 outputs the corresponding first inductive load or the corresponding no load, thereby improving the accuracy and reliability of determining the first load simulation requirement. This improves the timeliness, accuracy, and reliability of the execution of the first inductive load simulation operation, thus improving the accuracy and reliability of the first inductive load simulation. In addition, the second discharge protection circuit 303 provides a release circuit for the energy in the inductor, preventing the inductor energy from damaging other circuits and other components, achieving circuit protection, improving the stability and reliability of circuit signal transmission, and thus improving the operational stability and safety of the product.

[0121] In yet another alternative embodiment, such as Figure 2 As shown, the third load selection circuit 301 may include a second load selection switch SW3, wherein:

[0122] The first terminal of the second load selection switch SW3 is electrically connected to the second terminal of the resistive load control module 10. The second terminal of the second load selection switch SW3 is electrically connected to the first terminal of the third load determination circuit 302 and the first terminal of the second discharge protection circuit 303. The third terminal of the second load selection switch SW3 is electrically connected to the second terminal of the third load determination circuit 302, the second terminal of the second discharge protection circuit 303, the first terminal of the capacitive load control module 20, and the first terminal of the second inductive load control module 40.

[0123] Further optional, such as Figure 2As shown, the second end of the second load selection switch SW3 can correspond to contact 3 in the second load selection switch SW3, and the third end of the second load selection switch SW3 can correspond to contact 4 in the second load selection switch SW3. This embodiment of the utility model is not limited.

[0124] Optionally, the second load selection switch SW3 can be a single-pole double-throw switch, but this embodiment of the present invention does not limit it.

[0125] As can be seen, this embodiment of the invention can determine the execution time of the first inductive load simulation operation by operating the second load selection switch SW3, thereby improving the triggering flexibility of the first inductive load simulation operation, as well as the reliability, accuracy, and timeliness of the execution of the first inductive load simulation operation. In addition, it simplifies the structure of the device circuit, reduces the complexity and cost of the system, improves the stability and reliability of the device operation, and reduces unnecessary energy consumption. Furthermore, the contact switch can detect and control the operation of the first inductive load in real time, and respond to and handle abnormal situations of the first inductive load in a timely manner, thereby improving the safety of the device operation.

[0126] In yet another alternative embodiment, such as Figure 2 As shown, the third load determination circuit 302 may include a first load determination inductor L1, wherein:

[0127] The first end of the first load determining inductor L1 is electrically connected to the second end of the third load selection circuit 301 and the first end of the second discharge protection circuit 303. The second end of the first load determining inductor L1 is electrically connected to the third end of the third load selection circuit 301, the second end of the second discharge protection circuit 303, the first end of the capacitive load regulation module 20, and the first end of the second inductive load regulation module 40.

[0128] Optionally, the first load determines the inductor L1, which can be an adjustable inductor or a non-adjustable inductor; this embodiment of the present invention does not limit the specific inductor.

[0129] Optionally, the third load determination circuit 302 may include one or more first load determination inductors L1, which is not limited in this embodiment of the present invention.

[0130] As can be seen, this utility model embodiment can realize the first inductive load simulation function by determining the first load inductor L1, improving the diversity, flexibility, pertinence and versatility of load simulation types, improving the accuracy, reliability and feasibility of simulation for the first inductive load, and thus improving the accuracy and efficiency of adjustment and optimization for the first inductive load. In addition, the inductance value of the first load determining inductor L1 can be set according to the actual inductive load simulation requirements, which is conducive to improving the rationality and accuracy of the realized first inductive load simulation effect, as well as the real-time control, flexibility and adjustability of the first inductive load simulation effect, and thus conducive to improving the determination effectiveness, determination reliability and operational rationality of the first load determining inductor L1.

[0131] In yet another alternative embodiment, such as Figure 2 As shown, the second inductive load regulation module 40 may include a fourth load selection circuit 401, a fifth load selection circuit 402, a fourth load determination circuit 403, and a third discharge protection circuit 404, wherein:

[0132] The first terminal of the fourth load selection circuit 401 is electrically connected to the third terminal of the first inductive load regulation module 30. The second terminal of the fourth load selection circuit 401 is electrically connected to the first terminal of the fifth load selection circuit 402. The second terminal of the fifth load selection circuit 402 is electrically connected to the third terminal of the stabilization module 50, the third terminal of the capacitive load regulation module 20, the second terminal of the fourth load determination circuit 403, and the second terminal of the third discharge protection circuit 404. The third terminal of the fifth load selection circuit 402 is electrically connected to the first terminal of the fourth load determination circuit 403 and the first terminal of the third discharge protection circuit 404.

[0133] Optionally, the fourth load selection circuit 401 is specifically used to determine whether the first load simulation requirement indicates that the second inductive load simulation is required or not. This embodiment of the present invention does not limit this.

[0134] Optionally, the fifth load selection circuit 402 is specifically used to determine whether the first load simulation requirement indicates that the second inductive load simulation is required or not. This embodiment of the present invention does not limit this.

[0135] Optionally, the fourth load determination circuit 403 is specifically used to output the corresponding second inductive load when the first load simulation demand indicates that the second inductive load simulation is required; and to output the corresponding no load when the second load simulation demand indicates that the second inductive load simulation is not required. This embodiment of the present invention does not limit the scope of the invention.

[0136] Optionally, when the first load simulation requirement indicates that a second inductive load simulation is required, the first terminal of the fourth load selection circuit 401 is connected to the second terminal of the fourth load selection circuit 401, and the first terminal of the fifth load selection circuit 402 is connected to the third terminal of the fifth load selection circuit 402; when the first load simulation requirement indicates that a second inductive load simulation is not required, the first terminal of the fourth load selection circuit 401 is not connected to the second terminal of the fourth load selection circuit 401, or the first terminal of the fourth load selection circuit 401 is connected to the second terminal of the fourth load selection circuit 401 and the first terminal of the fifth load selection circuit 402 is connected to the second terminal of the fifth load selection circuit 402. This embodiment of the present invention does not limit the scope of the invention.

[0137] Further optional, such as Figure 2 As shown, the third discharge protection circuit 404 may include a second transient suppression diode TVS2, wherein:

[0138] The first terminal of the second transient suppression diode TVS2 is electrically connected to the first terminal of the fourth load determination circuit 403 and the third terminal of the fifth load selection circuit 402. The second terminal of the second transient suppression diode TVS2 is electrically connected to the third terminal of the stabilization module 50, the third terminal of the capacitive load regulation module 20, the second terminal of the fourth load determination circuit 403, and the second terminal of the fifth load selection circuit 402.

[0139] Optionally, the second transient suppression diode TVS2 is used to provide a release circuit for the energy in the second load determining inductor L2, preventing the inductor energy from damaging other circuits and electronic components. This embodiment of the present invention is not limited to this.

[0140] As can be seen, this embodiment of the utility model can determine the first load simulation requirement through the fourth load selection circuit 401 and the fifth load selection circuit 402, indicating whether the second inductive load simulation is required or not. The fourth load determination circuit 403 outputs the corresponding second inductive load or the corresponding no load, thereby improving the accuracy and reliability of determining the first load simulation requirement. This, in turn, improves the timeliness, accuracy, and reliability of the second inductive load simulation operation, thus improving the accuracy and reliability of the second inductive load simulation. In addition, the third discharge protection circuit 404 provides a release circuit for the energy in the inductor, preventing the inductor energy from damaging other circuits and other components, achieving circuit protection, improving the stability and reliability of circuit signal transmission, and thus improving the operational stability and safety of the product.

[0141] In yet another alternative embodiment, such as Figure 2 As shown, the fourth load selection circuit 401 may include a third load selection switch SW5, wherein:

[0142] The first terminal of the third load selection switch SW5 is electrically connected to the third terminal of the first inductive load control module 30, and the second terminal of the third load selection switch SW5 is electrically connected to the first terminal of the fifth load selection circuit 402.

[0143] Optionally, the second terminal of the third load selection switch SW5 can be a corresponding open / closed terminal, and this embodiment of the present invention does not limit this.

[0144] As can be seen, this embodiment of the invention can determine the execution time of the second inductive load simulation operation by operating the third load selection switch SW5, thereby improving the triggering flexibility of the second inductive load simulation operation, as well as the reliability, accuracy, and timeliness of the execution of the second inductive load simulation operation. In addition, it simplifies the structure of the device circuit, reduces the complexity and cost of the system, improves the stability and reliability of the device operation, and reduces unnecessary energy consumption. Furthermore, the contact switch can detect and control the operation of the second inductive load in real time, and respond to and handle abnormal situations of the second inductive load in a timely manner, thereby improving the safety of the device operation.

[0145] In yet another alternative embodiment, such as Figure 2 As shown, the fifth load selection circuit 402 may include a fourth load selection switch SW4, wherein:

[0146] The first terminal of the fourth load selection switch SW4 is electrically connected to the second terminal of the fourth load selection circuit 401. The second terminal of the fourth load selection switch SW4 is electrically connected to the third terminal of the stabilization module 50, the third terminal of the capacitive load regulation module 20, the second terminal of the fourth load determination circuit 403, and the second terminal of the third discharge protection circuit 404. The third terminal of the fourth load selection switch SW4 is electrically connected to the first terminal of the fourth load determination circuit 403 and the first terminal of the third discharge protection circuit 404.

[0147] Further optional, such as Figure 2 As shown, the second end of the fourth load selection switch SW4 can correspond to contact 5 in the fourth load selection switch SW4, and the third end of the fourth load selection switch SW4 can correspond to contact 6 in the fourth load selection switch SW4. This embodiment of the utility model is not limited.

[0148] Optionally, the fourth load selection switch SW4 can be a single-pole double-throw switch, but this embodiment of the present invention does not limit it.

[0149] As can be seen, this embodiment of the invention can determine the execution time of the second inductive load simulation operation by operating the fourth load selection switch SW4, thereby improving the triggering flexibility of the second inductive load simulation operation, as well as the reliability, accuracy, and timeliness of the execution of the second inductive load simulation operation. In addition, it simplifies the structure of the device circuit, reduces the complexity and cost of the system, improves the stability and reliability of the device operation, and reduces unnecessary energy consumption. Furthermore, the contact switch can detect and control the operation of the second inductive load in real time, and respond to and handle abnormal situations of the second inductive load in a timely manner, thereby improving the safety of the device operation.

[0150] In yet another alternative embodiment, such as Figure 2 As shown, the fourth load determination circuit 403 may include a second load determination inductor L2, wherein:

[0151] The first end of the second load determining inductor L2 is electrically connected to the third end of the fifth load selection circuit 402 and the first end of the third discharge protection circuit 404. The second end of the second load determining inductor L2 is electrically connected to the third end of the stabilization module 50, the third end of the capacitive load regulation module 20, the second end of the fifth load selection circuit 402, and the second end of the third discharge protection circuit 404.

[0152] Optionally, the second load determining inductor L2 can be an adjustable inductor or a non-adjustable inductor; this embodiment of the present invention does not limit the specific type of inductor.

[0153] Optionally, the fourth load determination circuit 403 may include one or more second load determination inductors L2, which is not limited in this embodiment of the invention.

[0154] As can be seen, this embodiment of the invention can realize the simulation function of a second inductive load by determining the second load inductor L2, thereby improving the diversity, flexibility, pertinence, and versatility of load simulation types, improving the accuracy, reliability, and feasibility of simulation for the second inductive load, and thus improving the accuracy and efficiency of adjustment and optimization for the second inductive load. In addition, the inductance value of the second load determining inductor L2 can be set according to the actual inductive load simulation requirements, which is conducive to improving the rationality and accuracy of the achieved second inductive load simulation effect, as well as the real-time control, flexibility, and adjustability of the second inductive load simulation effect, and thus improving the determination effectiveness, reliability, and operational rationality of the second load determining inductor L2.

[0155] In yet another alternative embodiment, such as Figure 2 As shown, the voltage stabilization module 50 may include a gate voltage setting module 501 and a voltage regulation protection module 502, wherein:

[0156] The first terminal of the gate voltage setting module 501 is electrically connected to the first terminal of the resistive load regulation module 10 and the positive terminal of the power supply device 60. The second terminal of the gate voltage setting module 501 is electrically connected to the first terminal of the voltage regulation protection module 502. The third terminal of the gate voltage setting module 501 is electrically connected to the second terminal of the capacitive load regulation module 20. The fourth terminal of the gate voltage setting module 501 is electrically connected to the third terminal of the capacitive load regulation module 20, the second terminal of the second inductive load regulation module 40, the second terminal of the voltage regulation protection module 502, and the negative terminal of the power supply device 60.

[0157] Optionally, the gate voltage setting module 501 is specifically used to set the gate voltage of the first load selection MOSFET M1, and further control whether the first load selection MOSFET M1 is turned on or off, thereby introducing a capacitive load. This embodiment of the present invention is not limited to this.

[0158] Optionally, the voltage regulation and protection module 502 is specifically used to control the gate voltage of the first load selection MOSFET M1 to prevent sudden changes and to prevent the gate voltage of the first load selection MOSFET M1 from changing and exceeding the MOSFET gate withstand voltage threshold, thereby ensuring the protection function of the first load selection MOSFET M1. This embodiment of the present invention is not limited to this.

[0159] As can be seen, this utility model embodiment can realize the gate voltage setting and control function through the gate voltage setting module 501. By controlling the magnitude of the gate voltage, the feasibility of capacitive load simulation can be controlled, and the conduction state of the load switching module connected to the gate voltage setting module 501 can be controlled, thereby improving the accuracy and reliability of the circuit conduction control of the load switching module, as well as improving the efficiency and convenience of the circuit conduction control of the load switching module. In addition, the voltage regulation and protection module 502 realizes the voltage regulation and protection function of the circuit involved, improving the stability, accuracy, reliability and controllability of the output voltage, thereby improving the operational stability and reliability of the related circuits and the overall battery, and reducing the probability and extent of damage to circuit components when abnormal conditions occur in the circuit.

[0160] In yet another alternative embodiment, such as Figure 2 As shown, the gate voltage setting module 501 may include a first voltage divider circuit 5011, a second voltage divider circuit 5012, a third voltage divider circuit 5013, and a capacitive input control circuit 5014, wherein:

[0161] The first terminal of the first voltage divider circuit 5011 is electrically connected to the first terminal of the resistive load regulation module 10 and the positive terminal of the power supply device 60. The second terminal of the first voltage divider circuit 5011 is electrically connected to the first terminal of the voltage regulation protection module 502 and the first terminal of the capacitive input control circuit 5014. The second terminal of the capacitive input control circuit 5014 is electrically connected to the first terminal of the second voltage divider circuit 5012. The second terminal of the second voltage divider circuit 5012 is electrically connected to the first terminal of the third voltage divider circuit 5013 and the second terminal of the capacitive load regulation module 20. The second terminal of the third voltage divider circuit 5013 is electrically connected to the third terminal of the capacitive load regulation module 20, the second terminal of the second inductive load regulation module 40, the second terminal of the voltage regulation protection module 502, and the negative terminal of the power supply device 60.

[0162] Optionally, when the first load simulation requirement is used to indicate that capacitive load simulation is required, the first terminal of the capacitive load introduction control circuit 5014 is connected to the second terminal of the capacitive load introduction control circuit 5014; when the first load simulation requirement is used to indicate that capacitive load simulation is not required, the first terminal of the capacitive load introduction control circuit 5014 is not connected to the second terminal of the capacitive load introduction control circuit 5014. This embodiment of the present invention does not impose any limitations.

[0163] Further optional, such as Figure 2 As shown, the first voltage divider circuit 5011 may include a first voltage divider resistor R1, wherein:

[0164] The first end of the first voltage divider resistor R1 is electrically connected to the first end of the resistive load regulation module 10 and the positive terminal of the power supply device 60. The second end of the first voltage divider resistor R1 is electrically connected to the first end of the voltage regulation protection module 502 and the first end of the capacitive input control circuit 5014.

[0165] Optionally, the first voltage divider circuit 5011 may include one or more first voltage divider resistors R1, which is not limited in this embodiment of the present invention.

[0166] Further optional, such as Figure 2 As shown, the second voltage divider circuit 5012 may include a second voltage divider resistor R2, wherein:

[0167] The first end of the second voltage divider resistor R2 is electrically connected to the second end of the capacitive input control circuit 5014, and the second end of the second voltage divider resistor R2 is electrically connected to the first end of the third voltage divider circuit 5013 and the second end of the capacitive load regulation module 20.

[0168] Optionally, the second voltage divider circuit 5012 may include one or more second voltage divider resistors R2, which is not limited in this embodiment of the present invention.

[0169] Further optional, such as Figure 2As shown, the third voltage divider circuit 5013 may include a third voltage divider resistor R3, wherein:

[0170] The first end of the third voltage divider resistor R3 is electrically connected to the second end of the second voltage divider circuit 5012 and the second end of the capacitive load regulation module 20. The second end of the third voltage divider resistor R3 is electrically connected to the third end of the capacitive load regulation module 20, the second end of the second inductive load regulation module 40, the second end of the voltage regulation protection module 502, and the negative terminal of the power supply device 60.

[0171] Optionally, the third voltage divider circuit 5013 may include one or more third voltage divider resistors R3, which is not limited in this embodiment of the present invention.

[0172] Further optional, such as Figure 2 As shown, the capacitive input control circuit 5014 may include a first input control switch SW1, wherein:

[0173] The first terminal of the first input control switch SW1 is electrically connected to the first terminal of the voltage regulator protection module 502 and the second terminal of the first voltage divider circuit 5011, and the second terminal of the first input control switch SW1 is electrically connected to the first terminal of the second voltage divider circuit 5012.

[0174] Optionally, the second end of the first control switch SW1 can be a corresponding open / closed end, but this embodiment of the present invention does not limit this.

[0175] Optional, regarding the method of introducing capacitive loads, an example is given: Figure 2 As shown, when the first input control switch SW1 is closed, the power supply device 60 forms a circuit with the first voltage divider resistor R1, the second voltage divider resistor R2, and the third voltage divider resistor R3. The gate voltage VGS of the first load selection MOSFET M1 is divided by R1, R2, and R3. By setting a reasonable voltage division ratio, according to the characteristics of the MOSFET, when the gate voltage of the first load selection MOSFET M1 is greater than its corresponding threshold voltage, the first load selection MOSFET M1 is turned on. Combined with the contact selection of the first load selection switch SW2 and the second load selection switch SW3, the first load determination capacitor C2 is introduced into the load circuit. This embodiment of the utility model is not limited.

[0176] Furthermore, regarding the function of the first input control switch SW1, an example is given: When a capacitive load C2 is introduced, since the capacitive load is special, if it is a pure capacitive load circuit, the voltage across the capacitor cannot change abruptly. The voltage of the power supply device 60 is 12V, and the voltage across the capacitor C2 is 0V when the first load is determined. When the capacitive load is powered on for the first time, a large instantaneous current will be generated. The design of SW1 and related circuits can safely control the first load selection MOSFET M1, so that the transient large current flows through the first load selection MOSFET M1, thereby making it safer. This embodiment of the utility model is not limited.

[0177] As can be seen, this embodiment of the invention can realize the gate voltage division function through the first voltage divider circuit 5011, the second voltage divider circuit 5012, and the third voltage divider circuit 5013, and set a reasonable resistance voltage division ratio to improve the accuracy and reliability of the determined gate voltage. This, in turn, improves the accuracy and reliability of the control of circuit conduction and load introduction based on the gate voltage. In addition, the capacitive load introduction control circuit 5014 realizes the basic control function of capacitive load simulation, improves the accuracy and reliability of capacitive load introduction control, and thus improves the flexibility and diversity of load simulation, reducing unnecessary energy consumption when relevant load simulation types are not required.

[0178] In yet another alternative embodiment, such as Figure 2 As shown, the gate voltage setting module 501 may further include a fourth discharge protection circuit 5015, wherein:

[0179] The first terminal of the fourth discharge protection circuit 5015 is electrically connected to the second terminal of the capacitive input control circuit 5014, and the second terminal of the fourth discharge protection circuit 5015 is electrically connected to the first terminal of the second voltage divider circuit 5012.

[0180] Further optional, such as Figure 2 As shown, the fourth discharge protection circuit 5015 may include a second reverse protection diode D1, wherein:

[0181] The first terminal of the second anti-reverse diode D1 is electrically connected to the second terminal of the capacitive input control circuit 5014, and the second terminal of the second anti-reverse diode D1 is electrically connected to the first terminal of the second voltage divider circuit 5012.

[0182] Optionally, the second anti-reverse diode D1 is specifically used to control the current flow in a specified direction to prevent the current from flowing back to the battery, thus playing a protective role. This embodiment of the utility model is not limited to this.

[0183] As can be seen, this utility model embodiment can achieve discharge protection function through the fourth discharge protection circuit 5015, prevent current from flowing back to the battery, control the current to flow only in the expected direction, realize circuit protection, improve the stability and reliability of circuit signal transmission, and thus improve the operational stability and safety of the product.

[0184] In yet another alternative embodiment, such as Figure 2 As shown, the voltage regulation protection module 502 may include a circuit 5021 to prevent sudden changes and a circuit 5022 to prevent excessive sudden changes, wherein:

[0185] The first terminal of the anti-sudden change circuit 5021 is electrically connected to the first terminal of the anti-excessive change circuit 5022 and the second terminal of the gate voltage setting module 501. The second terminal of the anti-sudden change circuit 5021 is electrically connected to the second terminal of the anti-excessive change circuit 5022, the third terminal of the capacitive load regulation module 20, the second terminal of the second inductive load regulation module 40, the fourth terminal of the gate voltage setting module 501, and the negative terminal of the power supply device 60.

[0186] Further optional, such as Figure 2 As shown, the circuit 5021 for preventing sudden changes may include a first voltage-controlled capacitor C1, wherein:

[0187] The first terminal of the first voltage-controlled capacitor C1 is electrically connected to the first terminal of the circuit 5022 for preventing excessive sudden changes and the second terminal of the gate voltage setting module 501. The second terminal of the first voltage-controlled capacitor C1 is electrically connected to the second terminal of the circuit 5022 for preventing excessive sudden changes, the third terminal of the capacitive load regulation module 20, the second terminal of the second inductive load regulation module 40, the fourth terminal of the gate voltage setting module 501, and the negative terminal of the power supply device 60.

[0188] Optionally, the first load is selected from MOSFET M1, specifically to ensure that the gate voltage of the first load selected from MOSFET M1 does not change abruptly. This embodiment of the present invention does not limit this.

[0189] Further optional, such as Figure 2 As shown, the circuit 5022 for preventing excessive sudden changes may include a first Zener diode Z1, wherein:

[0190] The first terminal of the first voltage-controlled regulator Z1 is electrically connected to the first terminal of the anti-sudden change circuit 5021 and the second terminal of the gate voltage setting module 501. The second terminal of the first voltage-controlled regulator Z1 is electrically connected to the second terminal of the anti-sudden change circuit 5021, the third terminal of the capacitive load regulation module 20, the second terminal of the second inductive load regulation module 40, the fourth terminal of the gate voltage setting module 501, and the negative terminal of the power supply device 60.

[0191] Optionally, the first voltage-controlled regulator Z1 is specifically used to prevent the gate voltage of the first load-selected MOSFET M1 from exceeding the gate withstand voltage threshold of the first load-selected MOSFET M1, thereby providing protection for the first load-selected MOSFET M1. This embodiment of the present invention is not limited to this.

[0192] As can be seen, this utility model embodiment can achieve gate voltage mutation control function through the anti-mutation circuit 5021 to ensure that the gate voltage does not change abruptly, and can achieve the function of preventing the gate voltage mutation from exceeding the gate withstand voltage threshold through the anti-excess mutation circuit 5022, thereby improving the accuracy and reliability of gate voltage control, as well as improving the efficiency and convenience of gate voltage control, thereby improving the stability of gate voltage, reducing the risk of electronic components being damaged due to gate voltage mutation, reducing the phenomenon of electromagnetic interference caused by gate voltage mutation, and thus improving the safety of electronic components and the stability of circuit.

[0193] Example 2

[0194] Please see Figure 3 , Figure 3 This is a schematic diagram of the structure of an electronic device disclosed in an embodiment of the present invention. The electronic device includes a device for simulating a battery load as described in any of the embodiments in Embodiment 1. It should be noted that for a detailed description of the device for simulating a battery load, please refer to the specific description of the relevant content in Embodiment 1, which will not be repeated in this embodiment.

[0195] It is evident that implementation Figure 3 The described electronic device can simulate battery load under different vehicle environments, improve the flexibility, accuracy and reliability of battery load simulation, as well as improve the efficiency and convenience of battery load simulation, thereby improving the universality and relevance of battery load simulation, and improving the safety and operational stability during battery load simulation, thus improving the operational reliability and adjustment timeliness of the battery, and further improving the user's battery usage experience.

[0196] The above provides a detailed description of the device and electronic equipment for simulating battery load disclosed in the embodiments of this utility model. Specific embodiments have been used to illustrate the principles and implementation methods of this utility model. However, the above preferred embodiments are not intended to limit this utility model. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this utility model. At the same time, for those skilled in the art, based on the ideas of this utility model, there will be changes in the specific implementation methods and application scope without departing from the spirit and scope of this utility model. Therefore, the protection scope of this utility model is determined by the scope defined in the claims.

Claims

1. An apparatus for simulating a battery load, characterized by, The device comprises a resistive load regulation module, a capacitive load regulation module, a first inductive load regulation module, a second inductive load regulation module, and a stability maintenance module, wherein: The first end of the resistive load regulation module is electrically connected to the first end of the stability maintenance module and a positive end of a power supply device, the first end of the first inductive load regulation module is electrically connected to the second end of the resistive load regulation module, the second end of the first inductive load regulation module is electrically connected to the first end of the capacitive load regulation module, the third end of the first inductive load regulation module is electrically connected to the first end of the second inductive load regulation module, the second end of the capacitive load regulation module is electrically connected to the second end of the stability maintenance module, the third end of the capacitive load regulation module is electrically connected to the third end of the stability maintenance module and the second end of the second inductive load regulation module, and the fourth end of the stability maintenance module is used for electrically connecting a negative end of the power supply device; The resistive load regulation module is used for performing a corresponding resistive load regulation operation; The capacitive load regulation module is used for performing a corresponding capacitive load regulation operation; The first inductive load regulation module is used for performing a corresponding first inductive load regulation operation; The second inductive load regulation module is used for performing a corresponding second inductive load regulation operation; The stability maintenance module is used for performing a corresponding load introduction and stability maintenance operation.

2. The apparatus of claim 1, wherein, The resistive load regulation module comprises a first load selection circuit and a first load determination circuit, wherein: The first end of the first load selection circuit is electrically connected to the first end of the stability maintenance module and a positive end of a power supply device, the second end of the first load selection circuit is electrically connected to the first end of the first load determination circuit, and the third end of the first load selection circuit is electrically connected to the first end of the first inductive load regulation module and the second end of the first load determination circuit; The first load selection circuit comprises a first load selection switch, wherein: The first end of the first load selection switch is electrically connected to the first end of the stability maintenance module and a positive end of a power supply device, the second end of the first load selection switch is electrically connected to the first end of the first load determination circuit, and the third end of the first load selection switch is electrically connected to the first end of the first inductive load regulation module and the second end of the first load determination circuit; The first load determination circuit comprises a first load determination resistor, wherein: The first end of the first load determination resistor is electrically connected to the second end of the first load selection circuit, and the second end of the first load determination resistor is electrically connected to the first end of the first inductive load regulation module and the third end of the first load selection circuit.

3. The apparatus of claim 2, wherein, The capacitive load regulation module comprises a second load determination circuit, a first discharge protection circuit, and a second load selection circuit, wherein: The first end of the second load determination circuit and the first end of the first discharge protection circuit are electrically connected to the second end of the first inductive load regulation module, the second end of the second load determination circuit and the second end of the first discharge protection circuit are electrically connected to the first end of the second load selection circuit, the second end of the second load selection circuit is electrically connected to the second end of the stability maintenance module, and the third end of the second load selection circuit is electrically connected to the second end of the second inductive load regulation module and the third end of the stability maintenance module.

4. The apparatus of claim 3, wherein, The second load determination circuit comprises a first load determination capacitor, wherein: The first end of the first load determination capacitor is electrically connected to the second end of the first inductive load regulation module and the first end of the first discharge protection circuit, and the second end of the first load determination capacitor is electrically connected to the first end of the second load selection circuit and the second end of the first discharge protection circuit. The second load selection circuit comprises a first load selection MOS tube, wherein: The first end of the first load selection MOS tube is electrically connected to the second end of the second load determination circuit and the second end of the first discharge protection circuit, the second end of the first load selection MOS tube is electrically connected to the second end of the stability maintenance module, and the third end of the first load selection MOS tube is electrically connected to the second end of the second inductive load regulation module and the third end of the stability maintenance module.

5. The apparatus of claim 4, wherein, The first inductive load regulation module comprises a third load selection circuit, a third load determination circuit and a second discharge protection circuit, wherein: The first end of the third load selection circuit is electrically connected to the second end of the resistive load regulation module, the second end of the third load selection circuit is electrically connected to the first end of the third load determination circuit and the first end of the second discharge protection circuit, and the third end of the third load selection circuit is electrically connected to the second end of the third load determination circuit, the second end of the second discharge protection circuit, the first end of the capacitive load regulation module and the first end of the second inductive load regulation module.

6. The apparatus of claim 5, wherein, The third load selection circuit comprises a second load selection switch, wherein: The first end of the second load selection switch is electrically connected to the second end of the resistive load regulation module, the second end of the second load selection switch is electrically connected to the first end of the third load determination circuit and the first end of the second discharge protection circuit, and the third end of the second load selection switch is electrically connected to the second end of the third load determination circuit, the second end of the second discharge protection circuit, the first end of the capacitive load regulation module and the first end of the second inductive load regulation module. The third load determination circuit comprises a first load determination inductor, wherein: The first end of the first load determination inductor is electrically connected to the second end of the third load selection circuit and the first end of the second discharge protection circuit, and the second end of the first load determination inductor is electrically connected to the third end of the third load selection circuit, the second end of the second discharge protection circuit, the first end of the capacitive load regulation module and the first end of the second inductive load regulation module.

7. The apparatus of claim 6, wherein, The second inductive load regulation module comprises a fourth load selection circuit, a fifth load selection circuit, a fourth load determination circuit and a third discharge protection circuit, wherein: The first end of the fourth load selection circuit is electrically connected to the third end of the first inductive load regulation module, the second end of the fourth load selection circuit is electrically connected to the first end of the fifth load selection circuit, the second end of the fifth load selection circuit is electrically connected to the third end of the stability maintenance module, the third end of the capacitive load regulation module, the second end of the fourth load determination circuit and the second end of the third discharge protection circuit, and the third end of the fifth load selection circuit is electrically connected to the first end of the fourth load determination circuit and the first end of the third discharge protection circuit. The fourth load selection circuit comprises a third load selection switch, wherein: The first end of the third load selection switch is electrically connected to the third end of the first inductive load regulation module, and the second end of the third load selection switch is electrically connected to the first end of the fifth load selection circuit. The fifth load selection circuit comprises a fourth load selection switch, wherein: The first end of the fourth load selection switch is electrically connected to the second end of the fourth load selection circuit, the second end of the fourth load selection switch is electrically connected to the third end of the stability maintenance module, the third end of the capacitive load regulation module, the second end of the fourth load determination circuit and the second end of the third discharge protection circuit, and the third end of the fourth load selection switch is electrically connected to the first end of the fourth load determination circuit and the first end of the third discharge protection circuit. The fourth load determination circuit comprises a second load determination inductor, wherein: The first end of the second load determination inductor is electrically connected to the third end of the fifth load selection circuit and the first end of the third discharge protection circuit, and the second end of the second load determination inductor is electrically connected to the third end of the stability maintenance module, the third end of the capacitive load regulation module, the second end of the fifth load selection circuit and the second end of the third discharge protection circuit.

8. The apparatus of any of claims 1-7, wherein, The stability maintenance module comprises a gate voltage setting module and a voltage stabilization protection module, wherein: The first end of the gate voltage setting module is electrically connected to the first end of the resistive load regulation module and a positive electrode end for electrically connecting the power supply device, the second end of the gate voltage setting module is electrically connected to the first end of the voltage stabilization protection module, the third end of the gate voltage setting module is electrically connected to the second end of the capacitive load regulation module, and the fourth end of the gate voltage setting module is electrically connected to the third end of the capacitive load regulation module, the second end of the second inductive load regulation module, the second end of the voltage stabilization protection module and a negative electrode end for electrically connecting the power supply device.

9. The apparatus of claim 8, wherein, The gate voltage setting module comprises a first voltage division circuit, a second voltage division circuit, a third voltage division circuit and a capacitive introduction control circuit, wherein: The first end of the first voltage dividing circuit is electrically connected to the first end of the resistive load regulating module and to a positive terminal for electrically connecting to the power supply device, the second end of the first voltage dividing circuit is electrically connected to the first end of the voltage protection module and to the first end of the capacitive introduction control circuit, the second end of the capacitive introduction control circuit is electrically connected to the first end of the second voltage dividing circuit, the second end of the second voltage dividing circuit is electrically connected to the first end of the third voltage dividing circuit and to the second end of the capacitive load regulating module, the second end of the third voltage dividing circuit is electrically connected to the third end of the capacitive load regulating module, the second end of the second inductive load regulating module, the second end of the voltage protection module and to a negative terminal for electrically connecting to the power supply device; and the gate voltage setting module further comprises a fourth discharge protection circuit, wherein: the first end of the fourth discharge protection circuit is electrically connected to the second end of the capacitive introduction control circuit, and the second end of the fourth discharge protection circuit is electrically connected to the first end of the second voltage dividing circuit; and the voltage protection module comprises a sudden appearance prevention circuit and an over sudden appearance prevention circuit, wherein: the first end of the sudden appearance prevention circuit is electrically connected to the first end of the over sudden appearance prevention circuit and to the second end of the gate voltage setting module, and the second end of the sudden appearance prevention circuit is electrically connected to the second end of the over sudden appearance prevention circuit, the third end of the capacitive load regulating module, the second end of the second inductive load regulating module, the fourth end of the gate voltage setting module and to a negative terminal for electrically connecting to the power supply device.

10. An electronic device, comprising: The circuit board comprises the device for simulating a battery load according to any one of claims 1-9.

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