Vehicle-mounted sensor
By designing a self-locking quick-release structure and an aluminum mesh frame electromagnetic shielding cover on the vehicle-mounted sensor, the problems of complex sensor disassembly and assembly and electromagnetic interference were solved, enabling rapid detection and stable signal transmission, and improving the reliability and safety of the sensor.
Patent Information
- Application Number
- CN202520632892.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-07
AI Technical Summary
Existing vehicle sensors suffer from problems such as complex and laborious disassembly and assembly, electromagnetic interference affecting signal transmission, and low reliability during the detection process. In particular, they may cause delays or failures in airbag deployment in emergency situations, increasing the risk of passenger injury.
An on-board sensor was designed, which adopts a docking mechanism with a self-locking quick-release structure and a protective mechanism with a metal frame. The self-locking quick-release structure simplifies the disassembly and assembly process, and the protective mechanism uses an aluminum mesh frame as an electromagnetic shield, which improves the stability and pressure resistance of the sensor, while not blocking signal transmission.
It enables rapid installation and removal of sensors, improves detection efficiency, enhances sensor reliability and pressure resistance, reduces electromagnetic interference, and ensures the stability and security of signal transmission.
Smart Images

Figure CN223910289U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of vehicle-mounted sensor, specifically a vehicle-mounted sensor. BACKGROUND
[0002] Vehicle-mounted sensor is an indispensable key component in modern cars, which is an intelligent device integrating microelectronic technology, computer technology and sensing technology, used for monitoring various physical quantities in the running process of the vehicle, such as temperature, pressure, speed, displacement, etc. These sensors can convert the detected physical signals into electrical signals, which are then processed and analyzed by the vehicle's electronic control unit (ECU), thereby realizing the control and adjustment of the vehicle's state. There are various types of vehicle-mounted sensors, including temperature sensors, pressure sensors, flow sensors, displacement sensors, speed sensors, etc. They are widely used in engine control, chassis and transmission system, safety system, vehicle body electronic system, etc., and are an important part of improving the performance, safety, comfort and environmental protection of cars. With the development of automotive electronics technology, vehicle-mounted sensors are developing towards integration, intelligence, high reliability and miniaturization to meet the increasingly stringent requirements of vehicle emissions and safety, and also lay the foundation for the realization of future intelligent networked cars and automatic driving technology.
[0003] The patent document with the patent authorization announcement number CN221378238U discloses a vehicle-mounted sensor, wherein "a base is provided, a sliding rod is fixedly connected to the upper surface of the base, a first spring is sleeved on the surface of the sliding rod, and the first spring has three, and is sleeved on the surface of the sliding rod. When the device is used, if the device is impacted, the radar sensor body is first contracted, at this time the second spring is stressed to buffer the impact force for the first time, when the radar sensor body is contracted to the inner wall of the limiting cylinder, the limiting cylinder moves to accept the impact force, the connecting rod and the sliding sleeve are operated, the sliding sleeve moves to make the spring stretch and retract, thereby buffering the impact force and avoiding damage to the radar sensor body. Under the action of the sliding rod, the first spring, the sliding sleeve, the connecting rod and the limiting cylinder, the protectiveness of the device is enhanced, and damage to the radar sensor body is avoided".
[0004] Based on this, the utility model discloses a kind of vehicle-mounted sensors to solve above-mentioned problem. Utility model content
[0005] The utility model aims at providing a kind of vehicle-mounted sensor to solve the problem raised in the above background art.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: A vehicle-mounted sensor, including sensor outer frame, the inside installation of sensor outer frame has sensor assembly, the outside of sensor outer frame is provided with protection mechanism, the rear of sensor outer frame is provided with docking mechanism, the protection mechanism includes mounting plate and aluminium screen frame, the rear end fixed mounting of sensor outer frame has mounting plate, the front end fixed mounting of mounting plate has aluminium screen frame, the outside of aluminium screen frame is wrapped in sensor outer frame, the middle part fixed mounting of sensor outer frame has docking plug -in post, the rear end fixed mounting of docking plug -in post has installation ring, the inside of installation ring is provided with straight rod body, the front end fixed mounting of straight rod body has limit stop, the outside of straight rod body is connected with sliding snap ring, the rear end fixed mounting of straight rod body has installation column.
[0007] Optionally, the docking mechanism further comprises a fixing plate and a fastening bolt, the rear end of the installation column is fixedly installed with the fixing plate, and the fixing plate is provided with the fastening bolt.
[0008] Optionally, the upper and lower ends of the installation ring are fixedly installed with first limiting washers, and the inner side of the first limiting washer is installed with a first spring body.
[0009] Optionally, the middle part of the first spring body is provided with a first plug rod body, and the end of the first plug rod body close to the straight rod body is fixedly installed with a first limiting block.
[0010] Optionally, the left and right ends of the installation ring are fixedly installed with second limiting washers, and the inner side of the second limiting washer is installed with a second spring body.
[0011] Optionally, the middle part of the second spring body is provided with a second plug rod body, and the end of the second plug rod body close to the straight rod body is fixedly installed with a second limiting block.
[0012] Optionally, the outer wall of the end of the fixing plate close to the installation ring is fixedly installed with a docking sleeve ring, the outer wall of the end of the installation ring close to the fixing plate is fixedly installed with a docking plug rod, and the docking plug rod and the docking sleeve ring are in a plug-in relationship.
[0013] Optionally, the protection mechanism further comprises a door frame body, a door shaft body and a handle, the upper end of the aluminium screen frame is installed with the door frame body, the outer wall of the door frame body is installed with the door shaft body, and the right end of the door frame body is fixedly installed with the handle.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] 1. The utility model discloses a docking mechanism is provided, and the docking mechanism adopts the quick release structure of self -locking, and through adding the quick release structure of self -locking on the vehicle sensor, effectively optimize the existing vehicle sensor dismounting operation complex and time -consuming and labor -intensive problem, when the batch dismounting vehicle sensor, quick release structure effectively shortens the time that dismounting operation consumes, effectively improve the efficiency of detection sensor.
[0016] 2. The utility model discloses a protection mechanism is provided, and the protection mechanism adopts the metal frame and is wrapped in the outside of vehicle sensor, and the aluminum screen frame is wrapped in the outside not only forms electromagnetic shield, can also be as the protection frame of vehicle sensor, not only can reduce the influence of electromagnetic interference to vehicle sensor to some extent, improve the use stability and reliability of vehicle sensor, also improve the pressure -resisting performance of vehicle sensor, can respond to small knock -off etc. Unexpected situation, in addition, the aluminum screen frame is the net body structure, under the condition of blocking electromagnetic interference, still can not block the signal transmission of vehicle sensor. ACCREDITATION
[0017] Figure 1 It is the structure schematic diagram of the utility model three -dimensional front view;
[0018] Figure 2 It is the structure schematic diagram of the utility model three -dimensional plan view;
[0019] Figure 3 It is the structure schematic diagram of the utility model plane plan view;
[0020] Figure 4 It is the structure schematic diagram of the utility model plane left view;
[0021] Figure 5 It is the structure schematic diagram of the utility model three -dimensional section view Figure 1 ;
[0022] Figure 6 It is the structure schematic diagram of the utility model three -dimensional section view Figure 2 ;
[0023] Figure 7 It is the structure schematic diagram of the utility model three -dimensional section view Figure 3 .
[0024] In the figure: 1, the sensor outer frame; 2, the sensor assembly; 3, the docking mechanism; 301, the docking column; 302, the mounting ring; 303, the first limiting washer; 304, the first spring body; 305, the first plug rod body; 306, the first limiting block; 307, the second limiting washer; 308, the second spring body; 309, the second plug rod body; 310, the second limiting block; 311, the mounting column; 312, the straight rod body; 313, the sliding clasp; 314, the limiting block; 315, the fixed plate; 316, the docking sleeve ring; 317, the docking plug rod; 318, the fastening bolt; 4, the protection mechanism; 401, the mounting plate; 402, the aluminum mesh frame; 403, the door frame body; 404, the door shaft body; 405, the handle. DETAILED DESCRIPTION
[0025] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying 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 limiting the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, "a plurality of" means two or more, unless otherwise specified.
[0026] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" 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 between two elements inside. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0027] The technical solutions in the embodiments of the present application will be described clearly and completely in the following description of the embodiments of the present application, obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary skilled in the art without creative labor are within the scope of protection of the present application.
[0028] Please refer toFigures 1 to 7 The utility model discloses an automobile -mounted sensor, including sensor outer frame 1, the inside installation of sensor outer frame 1 has sensor assembly 2, the outside of sensor outer frame 1 is provided with protection mechanism 4, the rear of sensor outer frame 1 is provided with docking mechanism 3, and docking mechanism 3 includes docking insertion post 301, installation ring 302, installation column 311, straight pole body 312, sliding snap ring 313 and limit stopper 314, the middle part fixed mounting of sensor outer frame 1 has docking insertion post 301, the rear end fixed mounting of docking insertion post 301 has installation ring 302, the inside of installation ring 302 is provided with straight pole body 312, the front end fixed mounting of straight pole body 312 has limit stopper 314, the outside sliding connection of straight pole body 312 has sliding snap ring 313, the rear end fixed mounting of straight pole body 312 has installation column 311, and docking mechanism 3 still includes fixed plate 315 and fastening bolt 318, the rear end fixed mounting of installation column 311 has fixed plate 315, and fixed plate 315 is provided with fastening bolt 318, and the both ends of installation ring 302 are fixedly installed with first limit washer 303, the inside installation of first limit washer 303 has first spring body 304, and the middle part of first spring body 304 is provided with first insertion rod body 305, and one end fixed mounting of first insertion rod body 305 near straight pole body 312 has first limit block 306, and the both ends of installation ring 302 are fixedly installed with second limit washer 307, and the inside installation of second limit washer 307 has second spring body 308, and the middle part of second spring body 308 is provided with second insertion rod body 309, and one end fixed mounting of second insertion rod body 309 near straight pole body 312 has second limit block 310, and the outer wall of one end of fixed plate 315 near installation ring 302 is fixedly installed with docking sleeve ring 316, and the outer wall of one end of installation ring 302 near fixed plate 315 is fixedly installed with docking insertion rod 317, and docking insertion rod 317 and docking sleeve ring 316 are in the plug-in relationship;
[0029] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 And Figure 7Initially, before enabling, the fixed plate 315 and the fastening bolt 318 inside the docking mechanism 3 need to be installed on the vehicle in advance, which is a prerequisite work, and only needs to be installed once, which can continuously play the docking function in subsequent operation. During installation, only need to pick up the sensor outer frame 1, the mounting ring 302 at the rear end of the sensor outer frame 1 and the docking plug rod 317 are positioned corresponding to the docking sleeve ring 316, the docking plug column 301 is positioned corresponding to the straight rod body 312, then push the sensor outer frame 1 backward, so that the straight rod body 312 is inserted into the docking plug column 301, the process is: the limiting block 314 at the front end of the straight rod body 312 abuts against the first limiting block 306 and the second limiting block 310, so that the first limiting block 306 and the second limiting block 310, when the first limiting block 306 and the second limiting block 310 are separated from the limiting block 314, under the effect of the first spring body 304 and the second spring body 308, the first limiting block 306 and the second limiting block 310 will be inserted between the limiting block 314 and the sliding clasp 313, at this point the installation operation is completed, in short, it only needs to push the sensor outer frame 1 to install, which is very convenient, saves time and effort, and does not need to disassemble the bolt; On the contrary, when disassembling the sensor, the user holds the sensor outer frame 1 and continues to push the sensor outer frame 1 backward as a whole, so that the first limiting block 306 and the second limiting block 310 shrink and cross the sliding clasp 313 to the rear side of the sliding clasp 313, then the user pulls the sensor outer frame 1 forward, the first limiting block 306 and the second limiting block 310 abut against the sliding clasp 313, so that the sliding clasp 313 slides forward and abuts against the limiting block 314, a slot is formed on the inner wall of the limiting block 314 near one end of the sliding clasp 313, the front region of the sliding clasp 313 is inserted into the limiting block 314, at this time the limiting block 314 and the sliding clasp 313 no longer have a gap, the first limiting block 306 and the second limiting block 310 will cross the sliding clasp 313 and the limiting block 314 once, to achieve the effect of taking down the sensor outer frame 1, which saves time and effort and is easy to operate;
[0030] Among them, the docking mechanism 3 adopts a self-locking quick release structure, by adding a self-locking quick release structure on the vehicle-mounted sensor, effectively optimizing the existing vehicle-mounted sensor disassembly operation complex and time-consuming and labor-saving problem, when disassembling the vehicle-mounted sensor in batches, the quick release structure effectively shortens the time consumed by the disassembly operation, effectively improves the efficiency of the detection sensor;
[0031] The protection mechanism 4 comprises a mounting plate 401 and an aluminum mesh frame 402, the rear end of the sensor outer frame 1 is fixedly mounted with the mounting plate 401, the front end of the mounting plate 401 is fixedly mounted with the aluminum mesh frame 402, the aluminum mesh frame 402 is wrapped outside the sensor outer frame 1, the protection mechanism 4 further comprises a door frame body 403, a door shaft body 404 and a handle 405, the upper end of the aluminum mesh frame 402 is mounted with the door frame body 403, the outer wall of the door frame body 403 is mounted with the door shaft body 404, the right end of the door frame body 403 is fixedly mounted with the handle 405;
[0032] Referring to Figure 1 , Figure 2 and Figure 5 , the protection mechanism 4 adopts a metal frame to wrap outside the vehicle-mounted sensor, the aluminum mesh frame 402 wrapped outside not only forms an electromagnetic shielding cover, but also can be used as a protection frame of the vehicle-mounted sensor, which can not only reduce the influence of electromagnetic interference on the vehicle-mounted sensor to a certain extent, improve the use stability and reliability of the vehicle-mounted sensor, but also improve the pressure resistance of the vehicle-mounted sensor, so as to cope with accidental situations such as small bumps, in addition, the aluminum mesh frame 402 is a mesh structure, which will not block the signal transmission of the vehicle-mounted sensor while blocking the electromagnetic interference;
[0033] The working principle of the utility model is: the design of the vehicle-mounted sensor aims at solving the limitation of traditional detection means, improving detection efficiency and reliability of the sensor, before starting, first need to install the fixed plate 315 and fastening bolt 318 inside the docking mechanism 3 on the vehicle, this step only needs to be carried out once, after that, the quick docking can be realized, when needing to detect, the operator only needs to align the mounting ring 302 at the rear end of the sensor outer frame 1 and the docking plug rod 317 with the docking sleeve ring 316 on the vehicle, at the same time, the docking plug column 301 and the straight rod body 312 are corresponding, then, push the sensor outer frame 1 backward, so that the straight rod body 312 is inserted into the inside of the docking plug column 301, in this process, the limiting stopper 314 at the front end of the straight rod body 312 will push the first limiting block 306 and the second limiting block 310, after the two are separated from the limiting stopper 314, under the rebound action of the first spring body 304 and the second spring body 308, the first limiting block 306 and the second limiting block 310 will be inserted between the limiting stopper 314 and the sliding clasp 313, complete the installation operation, this process is simple and convenient, saves time and effort, without disassembling the bolt, when needing to disassemble the sensor, the operator holds the sensor outer frame 1 and continues to push it backward, so that the first limiting block 306 and the second limiting block 310 shrink and cross the sliding clasp 313 to reach the rear side thereof, at this time, the operator pulls the sensor outer frame 1 forward again, the first limiting block 306 and the second limiting block 310 will abut against the sliding clasp 313, make it slide forward and dock with the limiting stopper 314, the inner wall near one end of the limiting stopper 314 is provided with a slot, the front region of the sliding clasp 313 will be inserted into the inside of the limiting stopper 314, so as to realize the effect of taking down the sensor outer frame 1, the docking mechanism 3 adopts a self-locking quick release structure, effectively optimizes the complexity of the disassembly operation of the existing vehicle-mounted sensor, improves the detection efficiency, the aluminum mesh frame 402 in the protection mechanism 4 adopts a metal frame, not only forms an electromagnetic shield, improves the use stability and reliability of the vehicle-mounted sensor, but also improves its compression resistance, can cope with accidental situations such as small bumps, the mesh body structure of the aluminum mesh frame 402 can block electromagnetic interference, without blocking the signal transmission of the vehicle-mounted sensor, in conclusion, the vehicle-mounted sensor realizes quick installation and disassembly through the unique docking mechanism 3 and protection mechanism 4, at the same time, improves the use stability and reliability of the sensor, effectively solves the limitation of the existing detection means.
[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A vehicle-mounted sensor comprising a sensor outer frame (1), a sensor assembly (2) is mounted inside the sensor outer frame (1), characterized in that: The outer side of the sensor outer frame (1) is provided with a protection mechanism (4), the rear of the sensor outer frame (1) is provided with a docking mechanism (3), the protection mechanism (4) comprises an installation plate (401) and an aluminum mesh frame (402), the rear end of the sensor outer frame (1) is fixedly installed with the installation plate (401), the front end of the installation plate (401) is fixedly installed with the aluminum mesh frame (402), the aluminum mesh frame (402) is wrapped on the outer side of the sensor outer frame (1), the docking mechanism (3) comprises a docking plug column (301), an installation ring (302), an installation column (311), a straight rod body (312), a sliding clasp (313) and a limiting block (314), the middle of the sensor outer frame (1) is fixedly installed with the docking plug column (301), the rear end of the docking plug column (301) is fixedly installed with the installation ring (302), the inside of the installation ring (302) is provided with the straight rod body (312), the front end of the straight rod body (312) is fixedly installed with the limiting block (314), the outer side of the straight rod body (312) is slidably connected with the sliding clasp (313), and the rear end of the straight rod body (312) is fixedly installed with the installation column (311).
2. The vehicle mounted sensor of claim 1, wherein: The docking mechanism (3) further comprises a fixed plate (315) and a fastening bolt (318), and the rear end of the installation column (311) is fixedly installed with the fixed plate (315), and the fixed plate (315) is provided with the fastening bolt (318).
3. The vehicle mounted sensor of claim 1, wherein: The upper and lower ends of the installation ring (302) are fixedly installed with first limiting washers (303), and the inner side of the first limiting washer (303) is installed with a first spring body (304).
4. The vehicle mounted sensor of claim 3, wherein: The middle of the first spring body (304) is provided with a first plug rod body (305), and one end of the first plug rod body (305) close to the straight rod body (312) is fixedly installed with a first limiting block (306).
5. The vehicle mounted sensor of claim 1, wherein: The left and right ends of the installation ring (302) are fixedly installed with second limiting washers (307), and the inner side of the second limiting washer (307) is installed with a second spring body (308).
6. The vehicle mounted sensor of claim 5, wherein: The middle of the second spring body (308) is provided with a second plug rod body (309), and one end of the second plug rod body (309) close to the straight rod body (312) is fixedly installed with a second limiting block (310).
7. The vehicle mounted sensor of claim 2, wherein: The outer wall of one end of the fixed plate (315) close to the installation ring (302) is fixedly installed with a docking sleeve ring (316), and the outer wall of one end of the installation ring (302) close to the fixed plate (315) is fixedly installed with a docking plug rod (317), and the docking plug rod (317) and the docking sleeve ring (316) are in a plug connection relationship.
8. The vehicle mounted sensor of claim 1, wherein: The protection mechanism (4) further comprises a door frame body (403), a door shaft body (404) and a handle (405), the upper end of the aluminum mesh frame (402) is installed with the door frame body (403), the outer wall of the door frame body (403) is installed with the door shaft body (404), and the right end of the door frame body (403) is fixedly installed with the handle (405).
Citation Information
Patent Citations
Vehicle-mounted sensor
CN221378238U