Lock control system and vehicle

Abstract

The application discloses a lock control system and a vehicle, and relates to the technical field of lock control systems, and in particular to a lock control system and a vehicle. The lock control system comprises a main control system and a redundant control system; the main control system is connected with a signal input end and a lock motor, and is used for outputting a first control signal to the lock motor to make the lock motor perform an unlocking operation after receiving a collision signal input by the signal input end; and the redundant control system is connected with the signal input end and the lock motor, and is used for outputting a second control signal to the lock motor to make the lock motor perform an unlocking operation after receiving the collision signal input by the signal input end for a first time period. The lock control system can perform secondary unlocking on the lock motor and can form redundant control on the lock motor, so that the phenomenon that the main control system cannot perform unlocking due to system abnormality caused by collision is avoided, and it is ensured that the lock motor can smoothly perform an unlocking operation.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicle unlocking, in particular to a lock control system and a vehicle. BACKGROUND

[0002] Most vehicles on the market currently have the configuration and function of automatic locking and hidden door handle. During driving, the vehicle door will be automatically locked, and the door handle will be retracted and hidden. When a collision occurs, the vehicle door needs to be automatically unlocked, and the hidden door handle needs to be popped out to facilitate rescue of the people inside the vehicle. However, in the event of a serious collision of the vehicle, the power supply circuit of the controller controlling the door lock and the hidden door handle may fail, such as a power supply circuit break, thereby causing the automatic unlocking function and the automatic door handle pop-out function to fail.

[0003] In the prior art, some vehicle models use an additional unlocking backup power supply to improve the unlocking success rate. However, when a serious accident occurs in the vehicle, causing the entire vehicle system to fail, the vehicle door may still not be able to be unlocked, and the hidden door handle may not be able to be automatically popped out, which may endanger the safety of the people inside the vehicle. SUMMARY

[0004] Embodiments of the present application provide a lock control system and a vehicle to solve the problem that the vehicle door cannot be normally unlocked when a collision accident occurs.

[0005] Embodiments of the present application provide a lock control system, comprising a main control system and a redundant control system.

[0006] The main control system is connected with a signal input end and a lock motor, and is configured to output a first control signal to the lock motor to make the lock motor perform an unlocking operation after receiving a collision signal input by the signal input end.

[0007] The redundant control system is connected with the signal input end and the lock motor, and is configured to output a second control signal to the lock motor to make the lock motor perform an unlocking operation after a first time period after receiving the collision signal input by the signal input end.

[0008] Preferably, the number of lock motors is at least two.

[0009] The main control system is configured to sequentially output first control signals to at least two lock motors based on a first control sequence and a first preset time interval after receiving a collision signal input by the signal input end, so that the at least two lock motors sequentially perform an unlocking operation.

[0010] The redundancy control system is configured to sequentially output second control signals to the at least two lock motors based on a first control sequence and a first preset time interval after a first time period of receiving the collision signal input by the signal input end, so that the at least two lock motors sequentially perform the unlocking operation.

[0011] The first control sequence is the unlocking sequence of the at least two lock motors.

[0012] Preferably, the lock motors correspond to at least two motor types, and each motor type corresponds to at least one lock motor.

[0013] The main control system is configured to sequentially output first control signals to all the lock motors corresponding to the at least two motor types based on a second control sequence and a second preset time interval after receiving the collision signal input by the signal input end, so that all the lock motors corresponding to the at least two motor types sequentially perform the unlocking operation.

[0014] The redundancy control system is configured to sequentially output second control signals to all the lock motors corresponding to the at least two motor types based on the second control sequence and the second preset time interval after a first time period of receiving the collision signal input by the signal input end, so that all the lock motors corresponding to the at least two motor types sequentially perform the unlocking operation.

[0015] The second control sequence is the unlocking sequence of the at least two motor types, and all the lock motors corresponding to the same motor type synchronously perform the unlocking operation.

[0016] Preferably, the main control system is further configured to, after controlling the last lock motor to perform the unlocking operation, delay for a second time period and repeatedly output the first control signals to the lock motors to make the lock motors perform the unlocking operation.

[0017] Preferably, the redundancy control system is further configured to, after controlling the last lock motor to perform the unlocking operation, delay for a second time period and repeatedly output the second control signals to the lock motors to make the lock motors perform the unlocking operation.

[0018] Preferably, the lock control system further comprises a collision sensor and an airbag system.

[0019] The collision sensor is connected to the main control system, the redundancy control system, and the airbag system, and is configured to output a first collision signal to the main control system, the redundancy control system, and the airbag system when a collision event is detected.

[0020] The safety airbag system is connected with the redundancy control system and the safety airbag system, and is used for generating a second collision signal according to the first collision signal and outputting the second collision signal to the redundancy control system.

[0021] Preferably, a first anti-reverse isolation module is arranged between the main control system and the lock motor.

[0022] A second anti-reverse isolation module is arranged between the redundancy control system and the lock motor.

[0023] Preferably, the first anti-reverse isolation module comprises a first controller, a first switch tube and a second switch tube.

[0024] The first switch tube and the second switch tube are arranged in series between the main control system and the lock motor.

[0025] The first controller is connected with the main control system, and is also connected with control ends of the first switch tube and the second switch tube, and is used for controlling the first switch tube to change from a cut-off state to a conduction state and the second switch tube to change from a conduction state to a cut-off state in response to the first control signal.

[0026] The second anti-reverse isolation module comprises a second controller, a third switch tube and a fourth switch tube.

[0027] The third switch tube and the fourth switch tube are arranged in series between the redundancy control system and the lock motor.

[0028] The second controller is connected with the redundancy control system, and is also connected with control ends of the third switch tube and the fourth switch tube, and is used for controlling the third switch tube to change from a cut-off state to a conduction state and the fourth switch tube to change from a conduction state to a cut-off state in response to the second control signal.

[0029] Preferably, the main control system is connected with the lock motor through the redundancy control system, and is used for outputting a first control signal to the redundancy control system after receiving a collision signal input by the signal input end, so that the redundancy control system sends the first control signal to the lock motor.

[0030] Preferably, the redundancy control system comprises a redundancy power module, a first control chip and a driving module.

[0031] The redundancy power module is connected with a power supply and the first control chip, and is used for receiving electric energy output by the power supply and supplying power to the first control chip.

[0032] The first control chip is connected with the signal input end and the driving module, and the driving module is connected with the lock motor.

[0033] The first control chip is configured to control the driving module to output a second control signal to the lock motor to make the lock motor perform an unlocking operation after a first time period of receiving the collision signal.

[0034] Preferably, the redundant power module comprises a super capacitor unit and a monitoring unit.

[0035] The super capacitor unit is connected with the power supply through a current limiting unit and is connected with the first control chip, and is configured to receive power output by the power supply and supply power to the first control chip.

[0036] The monitoring unit is connected with the super capacitor unit and the first control chip, and is configured to collect a capacitance monitoring signal of the super capacitor unit and output the capacitance monitoring signal to the first control chip.

[0037] The first control chip is connected with the super capacitor unit, and is configured to control the super capacitor unit to charge and discharge according to the capacitance monitoring signal.

[0038] Preferably, the redundant control system further comprises a second control chip.

[0039] The second control chip is connected with the power supply, the redundant power module and the first control chip, and is configured to convert a power supply voltage output by the power supply or the redundant power module to supply power to the first control chip.

[0040] Preferably, the redundant control system further comprises a current feedback module.

[0041] The first end of the current feedback module is connected with the driving module, and the second end of the current feedback module is connected with the first control chip, and the current feedback module is configured to output a current feedback signal to the first control chip.

[0042] The first control chip is configured to adjust the second control signal output to the driving module according to the current feedback signal.

[0043] The embodiment of the application further provides a vehicle comprising a lock motor and the lock control system.

[0044] The lock control system is connected with the lock motor, and the lock motor is connected with a lock device, and is configured to perform an unlocking operation under the control of the lock control system to make the lock device unlock or open.

[0045] The lock control system and the vehicle provided by the embodiment of the present application can make the redundant control system perform secondary unlocking control on the lock motor after the first time period, can form redundant control on the lock motor, avoid the phenomenon that the main control system cannot perform unlocking due to system abnormality caused by collision, ensure that the lock motor can perform unlocking operation smoothly, and make the vehicle door lock and the like still be able to be opened smoothly when the collision event occurs. BRIEF DESCRIPTION OF DRAWINGS

[0046] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and all other drawings obtained by those skilled in the art without creative labor on the basis of these drawings also belong to the protection scope of the present application.

[0047] Figure 1 is a block diagram structure schematic diagram of the lock control system in an embodiment of the present application;

[0048] Figure 2 is another block diagram structure schematic diagram of the lock control system in an embodiment of the present application;

[0049] Figure 3 is a circuit structure schematic diagram of the anti-reverse isolation module in an embodiment of the present application;

[0050] Figure 4 is another block diagram structure schematic diagram of the lock control system in an embodiment of the present application;

[0051] Figure 5 is a block diagram structure schematic diagram of the redundant control system in an embodiment of the present application.

[0052] In the figure: 1, main control system; 2, redundant control system; 21, redundant power supply module; 211, super capacitor unit; 212, monitoring unit; 213, filter unit; 22, first control chip; 23, driving module; 24, second control chip; 25, current feedback module; 26, current limiting unit; 3, lock motor; 4, collision sensor; 5, airbag system; 6, first anti-reverse isolation module; 7, second anti-reverse isolation module; 8, power supply. DETAILED DESCRIPTION

[0053] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor also belong to the protection scope of the present application.

[0054] It is to be understood that the application can assume various alternative embodiments, and should not be limited to the examples described herein. In other words, the examples described herein should be considered in a descriptive sense only and not for purposes of limitation. The scope of the application is defined by the appended claims. In the drawings, like numerals indicate corresponding parts throughout the several views.

[0055] It will be understood that when an element or layer is referred to as being "on" or "connected to" another element or layer, it can be directly on or connected to the other element or layer or intervening elements or layers can be present. In contrast, when an element is referred to as being "directly on" or "directly connected to" another element or layer, there are no intervening elements or layers present. It will also be understood that, when a term is used in the singular, it can also be used in the plural, and vice versa, unless the context clearly dictates otherwise.

[0056] Spatially relative terms, such as "beneath", "below", "lower", "under", "above", "upper" and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0057] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. When used herein, the singular forms “a,” “an,” and “the” are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the terms “comprising” and / or “including,” when used in this specification, identify the presence of the stated features, integers, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups. When used herein, the term “and / or” includes any and all combinations of the associated listed items.

[0058] To fully understand this invention, detailed structures and steps will be presented in the following description to illustrate the technical solution proposed by this invention. Preferred embodiments of the invention are described in detail below; however, in addition to these detailed descriptions, the invention may have other embodiments.

[0059] This invention provides a lock control system, such as... Figure 1 As shown, it includes a main control system 1 and a redundant control system 2; the main control system 1 is connected to the signal input terminal and the lock motor 3, and is used to output a first control signal to the lock motor 3 after receiving a collision signal input from the signal input terminal, so that the lock motor 3 performs an unlocking operation; the redundant control system 2 is connected to the signal input terminal and the lock motor 3, and is used to output a second control signal to the lock motor 3 after receiving a collision signal input from the signal input terminal for a first time period, so that the lock motor 3 performs an unlocking operation.

[0060] As an example, the main control system 1 can be a ZCU (whole vehicle area controller) or an IBCM (vehicle body control system), and the redundant control system 2 is an additional control system for unlocking, which is provided with a redundant power module 21 capable of storing electric energy independently of the 12V power supply 8 of the whole vehicle. The main control system 1 is connected with the signal input end and the lock motor 3; the redundant control system 2 is connected with the signal input end and the lock motor 3, so that the main control system 1 and the redundant control system 2 can both control the lock motor 3 to unlock according to the collision signal. Among them, one lock motor 3 can correspond to one lock device, and the lock device can include any one of a vehicle door lock, an electrically controlled hidden door handle, an electric suction door, an electronic child lock, etc. according to the vehicle configuration, and the unlocking operation can include at least one of the following operations: the lock motor 3 controls the vehicle door lock connected thereto to unlock, the lock motor 3 controls the electrically controlled hidden door handle connected thereto to pop out, the lock motor 3 controls the electric suction door connected thereto to open, the lock motor 3 controls the electronic child lock connected thereto to unlock, etc. Among them, the first control signal and the second control signal can be a PWM driving signal for controlling the lock motor 3 to work, and the main control system 1 and the redundant control system 2 can respectively output one PWM driving signal to each lock motor 3. According to the different lock devices connected to the lock motor 3, the driving time of the PWM driving signal is also different, for example, when the lock device connected to the lock motor 3 is a vehicle door lock, the driving time of the PWM driving signal can be 200ms, when the lock device connected to the lock motor 3 is an electric suction door, the driving time of the PWM driving signal can be 500ms, and when the lock device connected to the lock motor 3 is an electrically controlled hidden door handle, the driving time of the PWM driving signal can be 600ms.

[0061] When the signal input end has a collision signal input, if the main control system 1 is in a normal state, the main control system 1 can output a first control signal to the lock motor 3 connected thereto, so that each lock motor 3 performs an unlocking operation within a preset driving time, so that the lock motor 3 completes the unlocking operation. At the same time, the redundant control system 2 can also obtain the collision signal output by the signal input end, and after the redundant control system 2 obtains the collision signal, it can perform a delay processing, and after the delay time reaches a first time period (for example, 10 seconds), a second control signal is output to the lock motor 3 connected thereto, so that each lock motor 3 performs an unlocking operation within a preset driving time, so that the lock motor 3 completes the unlocking operation. In this example, the first time period of the delay processing of the redundant control system 2 should be greater than the time period from the start of the main control system 1 controlling the lock motor 3 to unlock to the completion of the unlocking operation, so as to prevent repeated control with the main control system 1 in a normal state.

[0062] In the example, by setting the main control system 1 and the redundant control system 2 in the lock control system, the redundant control system 2 can perform secondary unlocking control on the lock motor 3 after the first time period, and the lock motor 3 can form redundant control, avoid the phenomenon that the main control system 1 cannot perform unlocking due to system abnormalities caused by collision, and ensure that the lock motor 3 can smoothly perform unlocking operation, so that when a collision event occurs, the lock device such as the vehicle door lock, the electrically controlled hidden door handle, the electric suction door, and the electronic child lock can still be smoothly opened.

[0063] In an embodiment, the number of lock motors 3 is at least two; the main control system 1 is configured to sequentially output a first control signal to the at least two lock motors 3 based on a first control sequence and a first preset time interval after receiving a collision signal input by the signal input end, so that the at least two lock motors 3 sequentially perform unlocking operation; the redundant control system 2 is configured to sequentially output a second control signal to the at least two lock motors 3 based on the first control sequence and the first preset time interval after receiving the collision signal input by the signal input end within a first time period, so that the at least two lock motors 3 sequentially perform unlocking operation; and the first control sequence is the unlocking sequence of the at least two lock motors 3.

[0064] The first control sequence is a control sequence obtained by pre-setting and performing unlocking priority sorting on the at least two lock motors 3. For example, when the vehicle is equipped with a door lock and an electrically controlled hidden door handle, the unlocking sequence can be set as left front door lock, right front door lock, left rear door lock, right rear door lock, left front door handle, right front door handle, left rear door handle, and right rear door handle in sequence. When unlocking, the corresponding lock motor 3 of the door lock or the door handle is driven to unlock the door lock or pop up the door handle. The first preset time interval is the time interval from the completion of the unlocking operation of one lock motor to the start of the unlocking operation of the next lock motor.

[0065] As an example, the main control system 1 can output the first control signal to each lock motor 3 in turn according to the first control sequence to make each lock motor 3 work for a corresponding preset time length to make the lock motor 3 complete the unlocking operation in sequence after receiving the collision signal. The main control system 1 will perform a delay processing after each control of a lock motor 3 completes the unlocking operation, and continue to control the next lock motor 3 to perform the unlocking operation after the delay passes through the first preset time interval (such as 20 ms). Similarly, the redundant control system 2 can perform a delay processing after receiving the collision signal, and output the second control signal to each lock motor 3 in turn according to the first control sequence to make each lock motor 3 work for a corresponding preset time length to make the lock motor 3 complete the unlocking operation in sequence after the delay passes through the first time period (such as 10 s). The redundant control system 2 will also perform a delay processing after each control of a lock motor 3 completes the unlocking operation, and continue to control the next lock motor 3 to perform the unlocking operation after the delay passes through the first preset time interval (such as 20 ms).

[0066] In this example, the redundant control system 2 can perform step-by-step control on at least two connected lock motors 3 to make the lock devices connected by the at least two lock motors 3 open in sequence to avoid the problem that all lock devices cannot be successfully unlocked due to insufficient power of the redundant power module 21 in the redundant control system 2 when multiple lock devices are controlled to open at the same time, so that the lock devices can open in sequence according to the first control sequence, and the vehicle has the most basic escape condition when a collision occurs.

[0067] In another embodiment, the lock motor 3 corresponds to at least two types of motors, and each type of motor corresponds to at least one lock motor 3; the main control system 1 is configured to output the first control signal to all lock motors 3 corresponding to the at least two types of motors in sequence based on a second control sequence and a second preset time interval to make all lock motors 3 corresponding to the at least two types of motors perform the unlocking operation in sequence after receiving the collision signal input by the signal input end; the redundant control system 2 is configured to output the second control signal to all lock motors 3 corresponding to the at least two types of motors in sequence based on the second control sequence and the second preset time interval to make all lock motors 3 corresponding to the at least two types of motors perform the unlocking operation in sequence after the first time period of receiving the collision signal input by the signal input end; and the second control sequence is the unlocking sequence of the at least two types of motors, and all lock motors 3 corresponding to the same type of motor perform the unlocking operation synchronously.

[0068] The motor type is obtained by classifying the lock motor 3 according to the function of the lock device connected to the lock motor 3. For example, according to the function of the lock device connected to the lock motor 3, the lock motor 3 can be classified into a vehicle door lock motor 3, an electrically controlled hidden door handle motor, an electrically controlled door motor, an electronic child safety lock motor 3, etc. The second control sequence is obtained by prioritizing the unlocking according to the motor type. At least one lock motor 3 of the same motor type can be unlocked at the same time, and lock motors 3 of different types need to be unlocked in sequence according to the second control sequence. The second preset time interval is the time interval from the completion of the unlocking operation of the lock motor of the same type to the start of the unlocking operation of the lock motor of the next type.

[0069] As another example, after receiving the collision signal, the main control system 1 can sequentially output the first control signal to all lock motors 3 corresponding to at least two motor types according to the second control sequence, so that each lock motor 3 works for a corresponding preset time, so that the lock motors 3 of the same motor type are unlocked at the same time, and the lock motors 3 of different types are unlocked in sequence according to the second control sequence. After completing the unlocking operation of the lock motor 3 of each type, the main control system 1 will perform a delay process, and after the delay time interval (such as 30 ms) is passed, the next type of lock motor 3 will continue to perform the unlocking operation. Similarly, after receiving the collision signal, the redundant control system 2 can perform a delay process, and after the delay time interval (such as 10 s) is passed, the redundant control system 2 can sequentially output the second control signal to all lock motors 3 corresponding to at least two motor types according to the second control sequence, so that each lock motor 3 works for a corresponding preset time, so that the lock motors 3 of the same motor type are unlocked at the same time, and the lock motors 3 of different types are unlocked in sequence according to the second control sequence. After completing the unlocking operation of the lock motor 3 of each type, the redundant control system 2 will perform a delay process, and after the delay time interval (such as 30 ms) is passed, the next type of lock motor 3 will continue to perform the unlocking operation. For example, the left front door lock, the right front door lock, the left rear door lock, and the right rear door lock are vehicle door lock motors, the redundant control system 2 synchronously controls the vehicle door lock motors to unlock at the same time, and after the vehicle door lock motors complete the unlocking operation, a delay process is performed, and after the delay time interval is passed, at least one lock motor 3 of the next type (such as an electrically controlled hidden door handle motor) is controlled to perform the unlocking operation at the same time.

[0070] In an embodiment, the main control system 1 is further configured to, after controlling the last lock motor 3 to perform the unlocking operation, delay for a second time period, and repeatedly output the first control signal to the lock motor 3 to control the lock motor 3 to perform the unlocking operation; and / or, the redundant control system 2 is further configured to, after controlling the last lock motor 3 to perform the unlocking operation, delay for the second time period, and repeatedly output the second control signal to the lock motor 3 to control the lock motor 3 to perform the unlocking operation.

[0071] As an example, the main control system 1 can continue the delay processing after outputting the first control signal to the last lock motor 3, i.e., after controlling the last lock motor 3 to perform the unlocking operation, and continue to repeatedly output the first control signal to the lock motor 3 to control the lock motor 3 to perform the unlocking operation again after the delay time elapses for a third time period (e.g., 1s). The redundant control system 2 can also continue the delay processing after outputting the second control signal to the last lock motor 3, i.e., after controlling the last lock motor 3 to perform the unlocking operation, and continue to repeatedly output the second control signal to the lock motor 3 to control the lock motor 3 to perform the unlocking operation again after the delay time elapses for a second time period (e.g., 1s), to ensure that each lock device corresponding to the lock motor 3 can be normally unlocked or opened. When the main control system 1 repeatedly controls the lock motor 3 to perform the unlocking operation, the duration of the first time period of the delay processing performed by the redundant control system 2 after receiving the collision signal should be greater than the total duration of the two times of controlling the lock motor 3 to perform the unlocking operation by the main control system 1, i.e., the redundant control system 2 starts to control the lock motor 3 to perform the unlocking operation for the first time only after the main control system 1 repeatedly controls the last lock motor 3 to perform the unlocking operation.

[0072] In an embodiment, the lock control system further comprises a collision sensor 4 and an airbag system 5; the collision sensor 4 is connected to the main control system 1, the redundant control system 2, and the airbag system 5, and configured to output a first collision signal to the main control system 1, the redundant control system 2, and the airbag system 5 when a collision event is detected; the airbag system 5 is connected to the redundant control system 2 and the airbag system 5, and configured to generate a second collision signal according to the first collision signal, and output the second collision signal to the redundant control system 2.

[0073] As an example, the lock control system further comprises a crash sensor 4 and an airbag system 5, an output end of the crash sensor 4 and the airbag system 5 is connected to a signal input end connected to the main control system 1 and the redundant control system 2, when the crash sensor 4 detects a crash event, a first crash signal (the first crash signal is a crash hard-wire signal) can be output to the main control system 1, the redundant control system 2 and the airbag system 5, so that at least one of the main control system 1 and the redundant control system 2 can control the lock motor 3 to perform an unlocking operation when receiving the first crash signal. The airbag system 5 is not only connected to the crash sensor 4, but also connected to the main control system 1 and the redundant control system 2 through a vehicle network bus (such as a CAN bus), can perform signal conversion on the received first crash signal, form a second crash signal, and send the second crash signal to the vehicle network bus, output the second crash signal (the second crash signal is a crash bus signal) to the main control system 1 and the redundant control system 2 through the vehicle network bus, so that at least one of the main control system 1 and the redundant control system 2 can control the lock motor 3 to perform an unlocking operation when receiving the second crash signal. When at least one of the main control system 1 and the redundant control system 2 receives at least one of the first crash signal and the second crash signal, the lock motor 3 can be controlled to perform an unlocking operation, so as to avoid the situation that the lock motor 3 cannot be unlocked due to a crash system anomaly.

[0074] In an embodiment, a first anti-reverse isolation module 6 is arranged between the main control system 1 and the lock motor 3; a second anti-reverse isolation module 7 is arranged between the redundant control system 2 and the lock motor 3.

[0075] As an example, as shown in Figure 2 The main control system 1 and the redundant control system 2 can be arranged in parallel, that is, the main control system 1 and the redundant control system 2 are connected to the signal input end and the lock motor 3, and the main control system 1 and the redundant control system 2 can control the lock motor 3 according to the crash signal input by the signal input end, forming two independent unlocking control loops. Specifically, the main control system 1 can be connected to the lock motor 3 through the first anti-reverse isolation module 6, and output a first control signal to the lock motor 3 after receiving the crash signal input by the signal input end, so that the lock motor 3 performs an unlocking operation; the redundant control system 2 can be connected to the lock motor 3 through the second anti-reverse isolation module 7, and output a second control signal to the lock motor 3 after a first time period of receiving the crash signal input by the signal input end, so that the lock motor 3 performs an unlocking operation. The first anti-reverse isolation module 6 and the second anti-reverse isolation module 7 can prevent the main control system 1 and the redundant control system 2 from being electrically connected when arranged in parallel.

[0076] In an embodiment, as shown in Figure 3As shown, the first anti-reverse isolation module 6 includes a first controller U1, a first switch Q1 and a second switch Q2. The first switch Q1 and the second switch Q2 are connected in series between the main control system 1 and the lock motor 3. The first controller U1 is connected to the main control system 1 and also connected to the control terminals of the first switch Q1 and the second switch Q2. The first controller U1 is configured to control the first switch Q1 to change from a cut-off state to a conductive state and the second switch Q2 to change from a conductive state to a cut-off state in response to a first control signal. The second anti-reverse isolation module 7 includes a second controller U2, a third switch Q3 and a fourth switch Q4. The third switch Q3 and the fourth switch Q4 are connected in series between the redundant control system 2 and the lock motor 3. The second controller U2 is connected to the redundant control system 2 and also connected to the control terminals of the third switch Q3 and the fourth switch Q4. The second controller U2 is configured to control the third switch Q3 to change from a cut-off state to a conductive state and the fourth switch Q4 to change from a conductive state to a cut-off state in response to a second control signal.

[0077] As an example, the first anti-reverse isolation module 6 can include a first controller U1, a first switch Q1 and a second switch Q2. The first switch Q1 and the second switch Q2 are connected in series between the main control system 1 and the lock motor 3. The first controller U1 is connected to the main control system 1 and also connected to the control terminals of the first switch Q1 and the second switch Q2. The first controller U1 is configured to control the first switch Q1 to be conductive and the second switch Q2 to be cut-off when the main control system 1 outputs a first control signal, and vice versa. The first switch Q1 and the second switch Q2 can be MOS tubes. The source of the first switch Q1 is connected to the main control system 1. The drain of the first switch Q1 is connected to the drain of the second switch Q2. The source of the second switch Q2 is connected to the lock motor 3. The gates of the first switch Q1 and the second switch Q2 are connected to the first controller U1 (such as LM74720-Q1). The first controller U1 can control the first switch Q1 and the second switch Q2 to be conductive at the same time under the control of the main control system 1, so as to achieve the function of an ideal diode to prevent signal from being connected.

[0078] As an example, the second anti-reverse isolation module 7 can include a second controller U2, a third switch tube Q3 and a fourth switch tube Q4; the third switch tube Q3 and the fourth switch tube Q4 are arranged in series between the redundant control system 2 and the lock motor 3; the second controller U2 is connected with the redundant control system 2, and is also connected with control ends of the third switch tube Q3 and the fourth switch tube Q4, and is used for controlling the third switch tube Q3 to be turned on and the fourth switch tube Q4 to be turned off when the redundant control system 2 outputs a second control signal, and vice versa. Similarly, a source of the third switch tube Q3 is connected with the redundant control system 2, a drain of the third switch tube Q3 is connected with a drain of the fourth switch tube Q4, a source of the fourth switch tube Q4 is connected with the lock motor 3, and gates of the third switch tube Q3 and the fourth switch tube Q4 are connected with the second controller U2 (such as LM74720-Q1). The second controller U2 can control the third switch tube Q3 and the fourth switch tube Q4 to be turned on at the same time under the control of the redundant control system 2, so as to achieve the unidirectional conduction function of an ideal diode, and prevent signal from being entered.

[0079] In another embodiment, as shown in Figure 4 The main control system 1 is connected with the lock motor 3 through the redundant control system 2, and is used for outputting a first control signal to the redundant control system 2 after receiving a collision signal input by the signal input end, so that the redundant control system 2 sends the first control signal to the lock motor 3.

[0080] As another example, the main control system 1 and the redundant control system 2 can be arranged in series, that is, the main control system 1 is connected with the signal input end, and is connected with the lock motor 3 through the redundant control system 2. After receiving the collision signal, the main control system 1 first outputs a first control signal to the redundant control system 2, and then the redundant control system 2 can transmit the first control signal to the lock motor 3, so that the lock motor 3 performs an unlocking operation. At the same time, the redundant control system 2 is also connected with the signal input end, and can output a second control signal to the lock motor 3 after receiving the collision signal in a first time period, so that the lock motor 3 performs an unlocking operation. When the main control system 1 and the redundant control system 2 are arranged in series, the unlocking control of the lock motor 3 is completed by the redundant control system 2, and the phenomenon of signal entering in parallel can be avoided when the main control system 1 and the redundant control system 2 are arranged in parallel.

[0081] In an embodiment, as shown in Figure 5As shown, the redundant control system 2 comprises a redundant power module 21, a first control chip 22 and a driving module 23; the redundant power module 21 is connected with the power supply 8 and the first control chip 22, for receiving the electric energy output by the power supply 8 and supplying power to the first control chip 22; the first control chip 22 is connected with the signal input end and the driving module 23, and the driving module 23 is connected with the lock motor 3; the first control chip 22 is used to control the driving module 23 to output the second control signal to the lock motor 3 after a first time period of receiving the collision signal, so as to make the lock motor 3 perform the unlocking operation.

[0082] As an example, the redundant control system 2 comprises a redundant power module 21, a first control chip 22 and a driving module 23. The redundant power module 21 is connected with the power supply 8 and the first control chip 22, for receiving the electric energy output by the power supply 8 and storing the electric energy, and supplying power to the first control chip 22 when the power supply 8 fails; the first control chip 22 is connected with the signal input end and the driving module 23, for receiving the collision signal, and controlling the driving module 23 to work after a first time period of receiving the collision signal input by the signal input end. The driving module 23 is connected with the lock motor 3, for outputting the second control signal to the lock motor 3, so as to make the lock motor 3 perform the unlocking operation.

[0083] Specifically, when there are at least two lock motors 3, the driving module 23 can comprise a plurality of driving units, each driving unit is connected with one lock device through one lock motor 3, for controlling the lock device to work, or each driving unit is connected with a plurality of lock devices having the same function through a plurality of lock motors 3, the lock motors connected with the lock devices having the same function are the same motor type lock motors, the same motor type lock motors are connected with the same driving unit, for example, according to the functions of the lock devices connected with the lock motors 3, the lock motors 3 can be classified into a plurality of types such as door lock motor, electrically controlled hidden door handle motor, electric suction door motor, electronic child lock motor, etc., at least one lock motor 3 of the same motor type is connected with the same driving unit. When the first control chip 22 controls the driving module 23 to output the second control signal, the second control signal can be output to each lock motor 3 in turn according to a first control sequence, so as to make the plurality of lock motors 3 complete the unlocking operation in turn; or the second control signal can be output to all lock motors of different types in turn according to a second control sequence, so as to make at least one lock motor 3 of the same motor type complete the unlocking operation at the same time, and after completing the unlocking operation of the lock motors 3 of the type, a delay processing is performed, and after the delay passes a second time period, at least one lock motor 3 of the next type is controlled to perform the unlocking operation at the same time.

[0084] In an embodiment, the redundant power module 21 comprises a super capacitor unit 211 and a monitoring unit 212; the super capacitor unit 211 is connected with the power supply 8 through the current limiting unit 26, and is also connected with the first control chip 22, for receiving the power output by the power supply 8 and supplying power to the first control chip 22; the monitoring unit 212 is connected with the super capacitor unit 211 and the first control chip 22, for collecting the capacitor monitoring signal of the super capacitor unit 211 and outputting the capacitor monitoring signal to the first control chip 22; the first control chip 22 is connected with the super capacitor unit 211, for controlling the super capacitor unit 211 to charge and discharge according to the capacitor monitoring signal.

[0085] As an example, the redundant power module 21 comprises a super capacitor unit 211 and a monitoring unit 212. The super capacitor unit 211 is connected with the 12V power supply 8 through the current limiting unit 26, and is also connected with the first control chip 22, for supplying power to the first control chip 22; the current limiting unit 26 is used for controlling the current size input to the super capacitor unit 211. The super capacitor unit 211 can comprise a plurality of capacitors arranged in series, and can still store power to supply power to the first control chip 22 when the power supply 8 fails; the monitoring unit 212 is connected with the super capacitor unit 211 and the first control chip 22, for detecting the current voltage value of each capacitor in the super capacitor unit 211, or the charging and discharging voltage value and the charging and discharging current value of the super capacitor unit 211, and feeding back the capacitor monitoring signal to the first control chip 22 according to the current voltage value of each capacitor, or the charging and discharging voltage value and the charging and discharging current value of the super capacitor unit 211; the first control chip 22 is connected with the super capacitor unit 211, for controlling the super capacitor unit 211 to charge and discharge according to the capacitor monitoring signal. Specifically, the first control chip 22 can control the individual capacitor to discharge, etc. according to the current voltage value of each capacitor, so as to balance the voltage value of each capacitor in the super capacitor unit 211 and prevent the phenomenon of uneven capacitor voltage; the first control chip 22 can also feedback control the voltage and current values in the charging and discharging process of the super capacitor unit 211 according to the charging and discharging voltage value and the charging and discharging current value of the super capacitor unit 211, so as to make the redundant power module 21 work stably and reliably. The redundant power module 21 can also comprise a filtering unit 213 arranged between the monitoring unit 212 and the first control chip 22, for filtering the signal output to the first control chip 22 to prevent interference.

[0086] In an embodiment, the redundant control system 2 further comprises a second control chip 24; the second control chip 24 is connected with the power supply 8, the redundant power module 21 and the first control chip 22, for voltage conversion of the power supply voltage output by the power supply 8 or the redundant power module 21 to supply power to the first control chip 22.

[0087] As an example, the redundant control system 2 further comprises a second control chip 24, which is connected with the power supply 8, the redundant power supply module 21 and the first control chip 22, and is capable of converting the power supply voltage provided by the power supply 8 or the redundant power supply module 21 into a 5V power supply voltage available for the first control chip 22 to supply power to the first control chip 22. Further, the first control chip 22 can also be connected with the second control chip 24 through a serial port, the second control chip 24 is connected with the vehicle network bus, and the second control chip 24 communicates with the vehicle network bus to obtain the second collision signal.

[0088] In an embodiment, the redundant control system 2 further comprises a current feedback module 25, one end of the current feedback module 25 is connected with the driving module 23, and the other end of the current feedback module 25 is connected with the first control chip 22, for outputting a current feedback signal to the first control chip 22; the first control chip 22 is used for adjusting the second control signal output to the driving module 23 according to the current feedback signal.

[0089] As an example, the redundant control system 2 further comprises a current feedback module 25, one end of the current feedback module 25 is connected with the driving module 23, and the other end of the current feedback module 25 is connected with the first control chip 22; when the driving module 23 works, the current feedback module 25 can detect the current of the driving module 23 and output a current feedback signal to the first control chip 22, so that the first control chip 22 can adjust the second control signal output to the driving module 23 according to the current feedback signal, for example, control the duty cycle of the PWM driving signal, so that the current output to the lock motor 3 is within the allowable receiving range of the lock motor 3.

[0090] The embodiment of the present application also provides a vehicle comprising the lock motor 3 and the lock control system in any of the above embodiments. The lock control system is connected with the lock motor 3, the lock motor 3 is connected with the lock device, and the lock control system is used for executing the unlocking operation under the control of the lock control system to unlock or open the lock device.

[0091] As an example, the vehicle comprises the lock motor 3 and the lock control system in any of the above embodiments. The lock control system is connected with the lock motor 3, the lock motor 3 is connected with the lock device, and the main control system 1 and the redundant control system 2 in the lock control system can control the lock motor 3 to execute the unlocking operation according to the collision signal to unlock or open the lock device. In the example, by arranging the main control system 1 and the redundant control system 2 in the lock control system, the redundant control system 2 can perform secondary unlocking control on the lock motor 3 after the first time period, the redundant control can be formed on the lock motor 3, the phenomenon that the main control system 1 cannot perform unlocking due to system abnormality caused by collision can be avoided, and it is ensured that the lock motor 3 can smoothly execute the unlocking operation, so that the vehicle door lock and the like can still be smoothly opened when the collision event occurs.

[0092] The above-described embodiments are only used to illustrate the technical solutions of the present application, but not limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, those ordinarily skilled in the art should understand: the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A lock control system, characterized by, The main control system (1) and the redundant control system (2) are connected with the signal input end and the lock motor (3), and are used for outputting a first control signal to the lock motor (3) after receiving a collision signal input by the signal input end, so that the lock motor (3) performs an unlocking operation; a first anti-reverse isolation module (6) is arranged between the main control system (1) and the lock motor (3), and the first anti-reverse isolation module (6) comprises a first controller, a first switch tube and a second switch tube; the first switch tube and the second switch tube are arranged in series between the main control system (1) and the lock motor (3); the first controller is connected with the main control system (1) and is also connected with control ends of the first switch tube and the second switch tube, and is used for controlling the first switch tube to change from a cut-off state to a conduction state and the second switch tube to change from a conduction state to a cut-off state in response to the first control signal. The redundant control system (2) is connected with the signal input end and the lock motor (3), and is used for outputting a second control signal to the lock motor (3) after a first time period of receiving a collision signal input by the signal input end, so that the lock motor (3) performs an unlocking operation; a second anti-reverse isolation module (7) is arranged between the redundant control system (2) and the lock motor (3), and the second anti-reverse isolation module (7) comprises a second controller, a third switch tube and a fourth switch tube; the third switch tube and the fourth switch tube are arranged in series between the redundant control system (2) and the lock motor (3); the second controller is connected with the redundant control system (2) and is also connected with control ends of the third switch tube and the fourth switch tube, and is used for controlling the third switch tube to change from a cut-off state to a conduction state and the fourth switch tube to change from a conduction state to a cut-off state in response to the second control signal. The number of the lock motor (3) is at least two; 2. The lock control system of claim 1, wherein, The main control system (1) is used for sequentially outputting first control signals to at least two lock motors (3) based on a first control sequence and a first preset time interval after receiving a collision signal input by the signal input end, so that the at least two lock motors (3) sequentially perform an unlocking operation; The redundant control system (2) is used for sequentially outputting second control signals to at least two lock motors (3) based on a first control sequence and a first preset time interval after a first time period of receiving a collision signal input by the signal input end, so that the at least two lock motors (3) sequentially perform an unlocking operation. The first control sequence is an unlocking sequence of the at least two lock motors (3). The number of the motor type corresponding to the lock motor (3) is at least two, and each motor type corresponds to at least one lock motor (3).

3. The lock control system of claim 1, wherein, ​ The main control system (1) is configured to, after receiving the collision signal input by the signal input end, sequentially output first control signals to all the lock motors (3) corresponding to at least two motor types based on a second control sequence and a second preset time interval, so that all the lock motors (3) corresponding to at least two motor types sequentially perform unlocking operations. The redundant control system (2) is configured to, after receiving the collision signal input by the signal input end for a first time period, sequentially output second control signals to all the lock motors (3) corresponding to at least two motor types based on a second control sequence and a second preset time interval, so that all the lock motors (3) corresponding to at least two motor types sequentially perform unlocking operations. The second control sequence is an unlocking sequence of at least two motor types, and all the lock motors (3) corresponding to a same motor type synchronously perform unlocking operations.

4. A lock control system as claimed in claim 2 or 3, characterised in that, The main control system (1) is further configured to, after controlling the last lock motor (3) to perform the unlocking operation, delay for a second time period, and repeatedly output the first control signal to the lock motor (3) to control the lock motor (3) to perform the unlocking operation. The redundant control system (2) is further configured to, after controlling the last lock motor (3) to perform the unlocking operation, delay for a second time period, and repeatedly output the second control signal to the lock motor (3) to control the lock motor (3) to perform the unlocking operation.

5. The lock control system of claim 1, wherein, The lock control system further comprises a collision sensor (4) and an airbag system (5). The collision sensor (4) is connected to the main control system (1), the redundant control system (2) and the airbag system (5), and is configured to output a first collision signal to the main control system (1), the redundant control system (2) and the airbag system (5) when a collision event is detected. The airbag system (5) is connected to the redundant control system (2) and the airbag system (5), and is configured to generate a second collision signal according to the first collision signal and output the second collision signal to the redundant control system (2).

6. The lock control system of claim 1, wherein, The main control system (1) is connected to the lock motor (3) through the redundant control system (2), and is configured to output a first control signal to the redundant control system (2) after receiving the collision signal input by the signal input end, so that the redundant control system (2) sends the first control signal to the lock motor (3).

7. The lock control system of claim 1, wherein, The redundant control system (2) comprises a redundant power supply module (21), a first control chip (22) and a driving module (23). The redundant power supply module (21) is connected to a power supply (8) and the first control chip (22), and is configured to receive electric energy output by the power supply (8) and supply power to the first control chip (22). The first control chip (22) is connected to the signal input end and the driving module (23), and the driving module (23) is connected to the lock motor (3). The first control chip (22) is configured to control the drive module (23) to output a second control signal to the lock motor (3) to make the lock motor (3) perform an unlocking operation after a first time period of receiving the collision signal.

8. The lock control system of claim 7, wherein, The redundant power module (21) comprises a super capacitor unit (211) and a monitoring unit (212); The super capacitor unit (211) is connected with the power supply (8) through a current limiting unit (26) and is also connected with the first control chip (22), and is configured to receive electric energy output by the power supply (8) and supply power to the first control chip (22); The monitoring unit (212) is connected with the super capacitor unit (211) and the first control chip (22), and is configured to collect a capacitance monitoring signal of the super capacitor unit (211) and output the capacitance monitoring signal to the first control chip (22); The first control chip (22) is connected with the super capacitor unit (211), and is configured to control the super capacitor unit (211) to charge and discharge according to the capacitance monitoring signal.

9. The lock control system of claim 7, wherein, The redundant control system (2) further comprises a second control chip (24); The second control chip (24) is connected with the power supply (8), the redundant power module (21) and the first control chip (22), and is configured to convert a power supply voltage output by the power supply (8) or the redundant power module (21) to supply power to the first control chip (22).

10. The lock control system of claim 7, wherein, The redundant control system (2) further comprises a current feedback module (25); The first end of the current feedback module (25) is connected with the drive module (23), and the second end of the current feedback module (25) is connected with the first control chip (22), and the current feedback module (25) is configured to output a current feedback signal to the first control chip (22); The first control chip (22) is configured to adjust the second control signal output to the drive module (23) according to the current feedback signal.

11. A vehicle characterized by comprising: The lock control system comprises a lock motor (3) and the lock control system of any one of claims 1-10; The lock control system is connected with the lock motor (3), and the lock motor (3) is connected with a lock device, and is configured to perform an unlocking operation under the control of the lock control system to make the lock device unlock or open.

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