Adjusting device and control method for automobile door lock sound

By introducing a sealed housing and a vacuum adjustment system into the car door lock, the problem of the inability to adjust the sound of the car door lock has been solved, and the effect of dynamically adjusting the sound level according to the user's needs has been achieved.

CN121363346APending Publication Date: 2026-01-20CHINA FAW CO LTD
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Patent Information

Application Number
CN202511518910.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-10-22
Publication Date
2026-01-20

AI Technical Summary

Technical Problem

The volume of existing car door locks is fixed and cannot be adjusted according to user needs, thus failing to meet the needs of different scenarios.

Method used

Design an adjustment device comprising a sealed housing, a vacuum adjustment component, a vacuum sensor, and a controller, which adjusts the volume of a car door lock sound by detecting the vacuum level of the sealed cavity and using the vacuum adjustment component.

Benefits of technology

It enables dynamic adjustment of the car door lock volume according to user needs, reducing the door lock volume by 30dB, 15dB or 10dB to meet the needs of different users.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of automobile door locks, and particularly discloses an adjusting device for automobile door lock sound and a control method, and the adjusting device for the automobile door lock sound comprises a sealing shell, a vacuum degree adjusting assembly, a vacuum degree sensor and a controller. The sealing shell is arranged on the unlocking and locking structure of the automobile door lock, and meanwhile, the vacuum degree adjusting assembly is communicated with the sealing cavity, so that the purpose of adjusting the vacuum degree of the sealing cavity can be achieved; the sound reduction degree is related to the size of the sealing shell and the width of the sealing cavity, so that the larger the size is, the wider the cavity is, and the larger the sound reduction degree is. Therefore, when a user needs to adjust the volume of the sound of the automobile door lock, the user can send an instruction signal to the controller, and the controller controls the vacuum degree adjusting assembly to adjust the vacuum degree of the sealing cavity according to the received vacuum degree signal detected by the vacuum degree sensor, so that the purpose of adjusting the volume of the sound of the automobile door lock is achieved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile door lock, and particularly relates to an adjusting device for automobile door lock sound and a control method. BACKGROUND

[0002] As an important part for realizing the opening and closing function of a vehicle, the automobile door lock is frequently used in daily life. The unlocking and locking structure of the automobile will make a sound during the unlocking and locking process. Some automobile door locks also have self-suction and self-opening functions, and a motor needs to be added to realize the related functions. The motor will also make a sound during the working process. Since different users have different sensitivities to sound and different requirements for sound size in different scenes, the sound size of the automobile door lock in the prior art is basically fixed after production due to the limitation of the internal structure and the type of the motor, and the sound size cannot be adjusted after the automobile door lock is assembled to the vehicle. SUMMARY

[0003] The present application aims to provide an adjusting device for automobile door lock sound and a control method to solve the above problems.

[0004] In one aspect, the present application provides an adjusting device for automobile door lock sound, which comprises: a sealed shell capable of being arranged in an unlocking and locking structure of an automobile door lock, wherein the sealed shell has a sealed cavity; a vacuum degree adjusting assembly in communication with the sealed cavity, wherein the vacuum degree adjusting assembly is used for adjusting the vacuum degree of the sealed cavity; a vacuum degree sensor arranged in the sealed shell, wherein the vacuum degree sensor is used for detecting the vacuum degree in the sealed cavity; and a controller, wherein the vacuum degree adjusting assembly and the vacuum degree sensor are electrically connected with the controller, the controller receives the vacuum degree signal detected by the vacuum degree sensor, controls the vacuum degree adjusting assembly to adjust the vacuum degree of the sealed cavity, so as to realize the adjustment of the sound size of the automobile door lock.

[0005] As an optional technical solution of the adjusting device for automobile door lock sound, the sealed shell comprises a first shell, a second shell and a sealing piece, the first shell is connected with the unlocking and locking structure, and the second shell is sealingly connected with the first shell through the sealing piece, so as to form the sealed cavity.

[0006] As an optional technical solution of the adjusting device for automobile door lock sound, the sealing piece is a sealing strip or a sealing glue.

[0007] As an optional technical solution of the adjusting device for the sound of the automobile door lock, the vacuum degree adjusting assembly comprises an air charging structure and a vacuum pumping structure, the air charging structure and the vacuum pumping structure are in on-off communication with the sealed cavity, the air charging structure is used for charging air into the sealed cavity, and the vacuum pumping structure is used for pumping vacuum in the sealed cavity.

[0008] As an optional technical solution of the adjusting device for the sound of the automobile door lock, the air charging structure comprises an air charging pump and an air charging device, an input end of the air charging pump is in communication with the air charging device, an output end of the air charging pump is in on-off communication with the sealed cavity, and the air charging pump is electrically connected with the controller.

[0009] As an optional technical solution of the adjusting device for the sound of the automobile door lock, the vacuum degree adjusting assembly further comprises a first control valve, which is arranged on a pipeline in communication between the output end of the air charging pump and the sealed cavity, so as to control the on-off communication between the output end of the air charging pump and the sealed cavity.

[0010] As an optional technical solution of the adjusting device for the sound of the automobile door lock, the vacuum pumping structure is a vacuum pump, the vacuum pump is in on-off communication with the sealed cavity, and the vacuum pump is electrically connected with the controller.

[0011] As an optional technical solution of the adjusting device for the sound of the automobile door lock, the vacuum degree adjusting assembly further comprises a second control valve, which is arranged on a pipeline in communication between the vacuum pump and the sealed cavity, so as to control the on-off communication between the vacuum pump and the sealed cavity.

[0012] In another aspect, the application provides a control method of an adjusting device for the sound of an automobile door lock, which is applied to the adjusting device for the sound of the automobile door lock in any of the above-mentioned solutions, and the control method of the adjusting device for the sound of the automobile door lock comprises the following steps:

[0013] Detecting the vacuum degree of the sealed cavity by using the vacuum degree sensor;

[0014] Transmitting the vacuum degree signal detected by the vacuum degree sensor to an electronic control unit of the automobile;

[0015] Transmitting an instruction signal to the controller through the electronic control unit by a user;

[0016] Controlling the vacuum degree adjusting assembly to adjust the vacuum degree of the sealed cavity by the controller, so as to realize the adjustment of the size of the sound of the automobile door lock.

[0017] As an optional technical solution of the control method of the adjusting device for the sound of the automobile door lock, the control method of the adjusting device for the sound of the automobile door lock further comprises the following steps:

[0018] The electronic control unit transmits and converts the vacuum degree signal detected by the vacuum degree sensor to the door lock sound information of the car central control screen;

[0019] The user operates the door lock sound information of the car central control screen to send an instruction signal to the electronic control unit.

[0020] The beneficial effects of the present application are:

[0021] The present application provides a kind of for the adjusting device of automobile door lock sound, which includes sealed housing, vacuum degree regulating component, vacuum degree sensor and controller.For the adjusting device of automobile door lock sound, sealed housing has sealed cavity.Adopting the adjusting device for the automobile door lock sound of the present application, sealed housing is arranged in the unlocking and locking structure of automobile door lock, and vacuum degree regulating component is communicated with sealed cavity, so that the purpose of adjusting the vacuum degree of sealed cavity can be realized;Wherein, since the degree of sound reduction is related to the volume of sealed housing and the width of sealed cavity, the greater the volume, the wider the cavity, the greater the degree of sound reduction, when the vacuum degree of sealed cavity is 100%, it can reduce 30dB of the sound of door lock itself;When the vacuum degree of sealed cavity is 100%, it can reduce 15dB of the sound of door lock itself;When the vacuum degree of sealed cavity is 100%, it can reduce 10dB of the sound of door lock itself.So, when user needs to adjust the size of automobile door lock sound, user can send instruction signal to controller, and controller controls vacuum degree regulating component to adjust the vacuum degree of sealed cavity according to the vacuum degree signal detected by vacuum degree sensor, so as to realize the purpose of adjusting the size of automobile door lock sound. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 It is the structural schematic view of adjusting device for automobile door lock sound in the embodiment of the present application;

[0023] Fig. 2 It is the structural schematic view of sealed housing in the embodiment of the present application;

[0024] Fig. 3 It is the flow chart of control method of adjusting device for automobile door lock sound in another embodiment of the present application.

[0025] In the figure:

[0026] 1, sealed housing;11, sealed cavity;12, first housing;13, second housing;14, sealing element;

[0027] 2, vacuum degree regulating component;21, inflation structure;22, vacuumizing structure;

[0028] 3, vacuum degree sensor;

[0029] 4, unlocking and locking structure. DETAILED DESCRIPTION

[0030] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are part of the 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 fall within the scope of protection of the present application.

[0031] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", etc. are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions, and moreover, the "above", "over" and "on" of the first feature to the second feature include the vertical direction of the first feature above and obliquely above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "below", "under" and "under" of the first feature to the second feature include the vertical direction of the first feature below and obliquely below the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0032] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] The embodiments of the present application will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation on the present application.

[0034] As Figs. 1-2As shown, the embodiment provides a device for adjusting the sound of an automobile door lock, which comprises a sealed housing 1, a vacuum degree adjusting assembly 2, a vacuum degree sensor 3 and a controller. The sealed housing 1 can be arranged on the unlocking and locking structure 4 of the automobile door lock, and the sealed housing 1 has a sealed cavity 11. The vacuum degree adjusting assembly 2 is in communication with the sealed cavity 11, and is used to adjust the vacuum degree of the sealed cavity 11. The vacuum degree sensor 3 is arranged on the sealed housing 1, and is used to detect the vacuum degree in the sealed cavity 11. The vacuum degree adjusting assembly 2 and the vacuum degree sensor 3 are electrically connected with the controller. The controller receives the vacuum degree signal detected by the vacuum degree sensor 3, and controls the vacuum degree adjusting assembly 2 to adjust the vacuum degree of the sealed cavity 11, so as to adjust the sound of the automobile door lock.

[0035] The device for adjusting the sound of an automobile door lock is adopted, the sealed housing 1 is arranged on the unlocking and locking structure 4 of the automobile door lock, and the vacuum degree adjusting assembly 2 is in communication with the sealed cavity 11, so that the purpose of adjusting the vacuum degree of the sealed cavity 11 can be achieved. Since the degree of sound reduction is related to the volume of the sealed housing 1 and the width of the sealed cavity 11, the greater the volume and the wider the cavity, the greater the degree of sound reduction. When the vacuum degree of the sealed cavity 11 is 100%, the sound of the door lock itself can be reduced by 30dB. When the vacuum degree of the sealed cavity 11 is 100%, the sound of the door lock itself can be reduced by 15dB. When the vacuum degree of the sealed cavity 11 is 100%, the sound of the door lock itself can be reduced by 10dB. Therefore, when the user needs to adjust the sound of the automobile door lock, the user can send an instruction signal to the controller. The controller controls the vacuum degree adjusting assembly 2 to adjust the vacuum degree of the sealed cavity 11 according to the vacuum degree signal detected by the vacuum degree sensor 3, so as to achieve the purpose of adjusting the sound of the automobile door lock.

[0036] In some embodiments, the sealed housing 1 comprises a first housing 12, a second housing 13 and a sealing member 14. The first housing 12 is connected with the unlocking and locking structure 4, and the second housing 13 is sealingly connected with the first housing 12 through the sealing member 14, so as to form the sealed cavity 11.

[0037] Further, the sealing member 14 can include but is not limited to a sealing strip or a sealing glue. In this way, the first housing 12 and the second housing 13 can be sealingly connected.

[0038] Alternatively, the sealing member 14 can also be a PUR foaming or closed-cell foaming foam. The PUR foaming is a process of forming a foaming material by chemical reaction with polyurethane (PUR) as raw material.

[0039] In the embodiment, the vacuum degree adjusting assembly 2 comprises an air charging structure 21 and a vacuum pumping structure 22. The air charging structure 21 and the vacuum pumping structure 22 are in turn connected to the sealed cavity 11 in a switchable manner. In this way, the air charging structure 21 can be used to charge air into the sealed cavity 11, and the vacuum pumping structure 22 can be used to perform vacuum pumping operation on the sealed cavity 11.

[0040] Further, the air charging structure 21 comprises an air charging pump and an air charging device. The input end of the air charging pump is connected to the air charging device, the output end of the air charging pump is in switchable connection with the sealed cavity 11, and the air charging pump is electrically connected to the controller. In this way, the controller can be used to control the air charging pump to work, thereby achieving the purpose of charging air into the sealed cavity 11.

[0041] In some embodiments, the vacuum degree adjusting assembly 2 further comprises a first control valve. The first control valve is arranged on a pipeline connecting the output end of the air charging pump and the sealed cavity 11. In this way, the first control valve can be used to control the switchable connection between the output end of the air charging pump and the sealed cavity 11.

[0042] In the embodiment, the vacuum pumping structure 22 is a vacuum pump. The vacuum pump is in switchable connection with the sealed cavity 11, and the vacuum pump is electrically connected to the controller. In this way, the controller can be used to control the air charging pump to work, thereby achieving the purpose of performing vacuum pumping operation on the sealed cavity 11.

[0043] Similarly, the vacuum degree adjusting assembly 2 further comprises a second control valve. The second control valve is arranged on a pipeline connecting the vacuum pump and the sealed cavity 11. In this way, the second control valve can be used to control the switchable connection between the vacuum pump and the sealed cavity 11.

[0044] Optionally, the adjusting device for the sound of the automobile door lock further comprises a fastener, and the first shell is connected to the sealed shell through the fastener. The fastener is a bolt or a buckle.

[0045] As shown in Fig. 3 The embodiment further provides a control method of the adjusting device for the sound of the automobile door lock. The control method of the adjusting device for the sound of the automobile door lock is applied to the adjusting device for the sound of the automobile door lock in the above-mentioned solution. The control method of the adjusting device for the sound of the automobile door lock comprises the following steps: first, detecting the vacuum degree of the sealed cavity 11 by using the vacuum degree sensor 3; then, transmitting the vacuum degree signal detected by the vacuum degree sensor 3 to the electronic control unit of the automobile; transmitting the instruction signal to the controller through the electronic control unit by a user; finally, controlling the vacuum degree adjusting assembly 2 to adjust the vacuum degree of the sealed cavity 11 by the controller, so as to achieve the purpose of adjusting the size of the sound of the automobile door lock.

[0046] Further, the control method of the adjusting device for the sound of the automobile door lock further comprises: transmitting and converting the vacuum degree signal detected by the vacuum degree sensor 3 to the door lock sound information of the automobile central control screen by using the electronic control unit; then the user operates the door lock sound information of the automobile central control screen to send an instruction signal to the electronic control unit.

[0047] Obviously, the above embodiments of the present application are merely exemplary for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments are not required to be exhausted. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A device for adjusting the sound of a motor vehicle door lock, characterized in that The application relates to a device for adjusting the sound of an automobile door lock. The device comprises a sealed shell (1) which can be arranged on an unlocking structure (4) of the automobile door lock, the sealed shell (1) having a sealed cavity (11); a vacuum degree adjusting assembly (2) which is communicated with the sealed cavity (11) and is used for adjusting the vacuum degree of the sealed cavity (11); a vacuum degree sensor (3) which is arranged on the sealed shell (1) and is used for detecting the vacuum degree in the sealed cavity (11); and a controller, the vacuum degree adjusting assembly (2) and the vacuum degree sensor (3) being electrically connected with the controller, the controller receiving the vacuum degree signal detected by the vacuum degree sensor (3) and controlling the vacuum degree adjusting assembly (2) to adjust the vacuum degree of the sealed cavity (11) so as to adjust the sound of the automobile door lock. The sealed shell (1) comprises a first shell (12), a second shell (13) and a sealing element (14), the first shell (12) being connected with the unlocking structure (4), and the second shell (13) being sealedly connected with the first shell (12) through the sealing element (14) so as to form the sealed cavity (11). The sealing element (14) is a sealing strip or sealing glue. The vacuum degree adjusting assembly (2) comprises an air charging structure (21) and a vacuum pumping structure (22), the air charging structure (21) and the vacuum pumping structure (22) being selectively communicated with the sealed cavity (11), the air charging structure (21) being used for charging air into the sealed cavity (11), and the vacuum pumping structure (22) being used for pumping vacuum in the sealed cavity (11).

2. The device for adjusting the sound of an automobile door lock according to claim 1, characterized in that, The air charging structure (21) comprises an air charging pump and an air charging device, the input end of the air charging pump being communicated with the air charging device, the output end of the air charging pump being selectively communicated with the sealed cavity (11), and the air charging pump being electrically connected with the controller.

3. The device for adjusting the sound of a motor vehicle door latch according to claim 2, characterized in that The vacuum degree adjusting assembly (2) further comprises a first control valve which is arranged on a pipeline communicated between the output end of the air charging pump and the sealed cavity (11) so as to control the selectivity between the output end of the air charging pump and the sealed cavity (11).

4. The device for adjusting the sound of an automobile door lock according to claim 2, wherein The vacuum pumping structure (22) is a vacuum pump, the vacuum pump being selectively communicated with the sealed cavity (11), and the vacuum pump being electrically connected with the controller.

5. The device for adjusting the sound of an automobile door lock according to claim 4, characterized in that, The vacuum degree adjusting assembly (2) further comprises a second control valve which is arranged on a pipeline communicated between the vacuum pump and the sealed cavity (11) so as to control the selectivity between the vacuum pump and the sealed cavity (11).

6. The device for adjusting the sound of an automobile door lock according to claim 5, wherein The application further relates to a control method of the device for adjusting the sound of the automobile door lock.

7. The device for adjusting the sound of an automobile door lock according to claim 4, wherein The vacuum degree of the sealed cavity (11) is detected by the vacuum degree sensor (3); 8. The device for adjusting the sound of an automobile door lock according to claim 7, characterized in that, The vacuum degree signal detected by the vacuum degree sensor (3) is transmitted to an electronic control unit of the automobile; 9. A control method for an adjusting device of a sound of an automobile door lock, characterized by, An instruction signal is transmitted to the controller through the electronic control unit by a user; and The vacuum degree of the sealed cavity (11) is adjusted by the controller according to the instruction signal. ​ ​ The controller controls the vacuum degree adjusting assembly (2) to adjust the vacuum degree of the sealed cavity (11) to achieve the purpose of adjusting the size of the automobile door lock sound.

10. The control method for the adjustment device of the sound of the automobile door lock according to claim 9, characterized in that, The control method of the adjusting device for the automobile door lock sound further comprises: The electronic control unit transmits and converts the vacuum degree signal detected by the vacuum degree sensor (3) to the door lock sound information of the automobile central control screen. The user operates the door lock sound information of the automobile central control screen to send an instruction signal to the electronic control unit.