Modularized instrument assembly and electric vehicle

Abstract

The utility model relates to a modularization instrument assembly and an electric vehicle, the modularization instrument assembly comprises a quick release support assembly, the quick release support assembly comprises a clamping mechanism, and the clamping mechanism comprises a fixed buckle and a movable buckle capable of moving relative to the fixed buckle; the replacement device comprises a second instrument or a functional device; through the clamping mechanism, the replacement device can be selectively assembled on the quick release bracket assembly; the second instrument is in electric connection and signal connection with the quick release bracket assembly through the connecting interface; the anti-theft support is provided with a first installation position and a second installation position which are used for being detachably connected with the first instrument and the quick release support assembly respectively, and the anti-theft support is further provided with a locking mechanism which is used for limiting the movable buckle, so that the replacement device is clamped on the quick release support assembly and cannot be taken down. According to the utility model, the technical problems of poor adaptability and tedious installation of the existing instrument are solved, and the expansion of instrument functions and the improvement of use safety are realized.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle instrument design, in particular to a modular instrument assembly and an electric vehicle. Background Art

[0002] In the prior art, the instrument shape and installation structure of electric two-wheeled vehicles are only suitable for a single model, resulting in poor instrument adaptability and shell expandability. The function of the instrument is limited to displaying basic vehicle information. Compared with electric vehicles, the function is single and cannot meet the differentiated needs of different users for display instrument functions. In addition, conventional instruments are fixed to the body bracket with screws, and the instrument wiring harness connector is manually plugged in and out. Installation and disassembly often require the removal of the surrounding exterior accessories of the instrument, resulting in cumbersome installation, maintenance and disassembly of the instrument, and poor anti-theft performance. Utility Model Content

[0003] In view of the deficiencies of the existing technology, the present invention provides a modular instrument assembly and an electric vehicle, which solves the problems of poor adaptability and cumbersome installation of existing instruments, and realizes the expansion of instrument functions and improvement of safety.

[0004] The technical solutions adopted in this utility model are as follows:

[0005] A modular instrument assembly includes a quick-release bracket assembly, a replacement device, an anti-theft bracket, and a first instrument;

[0006] The quick-release bracket assembly is provided with a support surface, and clamping mechanisms are provided at both ends of the support surface for clamping and connecting with the replacement device;

[0007] The clamping mechanism includes a fixed buckle provided at one end of the support surface, and a movable buckle provided at the other end of the support surface and capable of moving relative to the fixed buckle;

[0008] The replacement device includes a second instrument or a functional device, and the functional device includes a decorative part or a target electronic device; the replacement device is selectively assembled to the quick-release bracket assembly through the clamping mechanism;

[0009] An electrical connection, or an electrical connection and a signal connection, is formed between the replacement device and the quick-release bracket assembly via a connection interface;

[0010] The connection interface includes a first connector of a spring pin connector provided on the supporting surface, and a second connector A of a spring pin connector provided on the supported surface of the second instrument;

[0011] The quick-release bracket assembly is also provided with a wiring terminal, which is used to connect the first connector of the spring pin connector to the control module of the vehicle;

[0012] The anti-theft bracket is provided with a first installation position, a second installation position and a locking mechanism;

[0013] The first mounting position is used for detachably connecting the first instrument;

[0014] The second mounting position is used for detachably connecting to the quick-release bracket assembly, and after connection, the movable buckle of the quick-release bracket assembly is close to one side of the locking mechanism;

[0015] The locking mechanism is used to limit the movable buckle so that the replacement device is clamped on the quick-release bracket assembly and cannot be removed.

[0016] Further technical solutions are:

[0017] The first instrument and the vehicle control module are used to display basic vehicle information; the second instrument is connected to the vehicle control module through the quick-release bracket assembly, and is used to display basic vehicle information and extended information, and provide functional and entertainment services.

[0018] The structure of the quick-release bracket assembly includes a shell and a handle;

[0019] The support surface is located on the surface of the shell;

[0020] A cavity is formed in the housing, a portion of the handle extends into the cavity, and is connected to the housing via a first elastic member; the first elastic member provides a preload force and a restoring force along a first direction, so that the handle can move relative to the cavity along the first direction;

[0021] The handle is slidably engaged with the movable buckle;

[0022] The movable buckle is connected to the shell through a second elastic member, and the second elastic member provides a preload force and a restoring force along a second direction, so that the movable buckle moves along the cavity relative to the fixed buckle, thereby adjusting the distance between the two buckles; the second direction is perpendicular to the first direction.

[0023] The sliding matching structure of the handle and the movable buckle comprises an inclined surface provided on the movable buckle and a boss provided on the handle and matched with the inclined surface.

[0024] The movable buckle is provided with a positioning block, on which a fitting surface for fitting the replacement device is provided; the shell is provided with a positioning hole for passing the positioning block.

[0025] The target electronic device includes a mobile phone holder, which is used to clamp the target electronic product. The mobile phone holder is provided with a second spring pin connector connector B for mating with the first spring pin connector connector;

[0026] A wireless charging module is provided in the mobile phone holder, and the wireless charging module is electrically connected to the second connector B of the spring pin connector.

[0027] The locking mechanism is a mechanical lock or an electromagnetic lock; the structure of the locking mechanism includes a lock tongue, which, when moved to the upper locking position, can hold the movable buckle from the outside so that it cannot move;

[0028] The electromagnetic lock is electrically connected to the power module of the vehicle and is turned on and off by a switch control circuit;

[0029] The switch switches the circuit on and off according to whether a control module of the vehicle is powered off.

[0030] A clearance groove is provided on one side of the anti-theft bracket located at the second installation position, and the lock tongue can extend into the clearance groove when it moves to the unlocking position.

[0031] Both ends of the supported surface of the second meter are respectively provided with slots that cooperate with the fixed buckle and the movable buckle.

[0032] The utility model also provides an electric vehicle, comprising the modular instrument assembly.

[0033] The beneficial effects of the utility model are as follows:

[0034] The instrument assembly of this utility model has a reasonable structural design and a simple configuration. It is not adapted to a specific vehicle model. When installing or removing it, there is no need to remove the surrounding matching exterior parts, which greatly improves the adaptability and installation convenience of the instrument. It has the following advantages:

[0035] 1. This utility model not only provides basic vehicle information display functionality through a first instrument, meeting design specifications, but also enables selective assembly of replacement devices through a quick-release bracket assembly, meeting the differentiated needs of different users. Furthermore, the second instrument can be equipped with a second instrument to display expanded vehicle information and other services, or it can be integrated with a user's own mobile phone, tablet, or other functional module to provide expanded services. The second instrument can also be used independently in other scenarios.

[0036] 2. The second meter of this utility model is connected to the quick-release bracket assembly via a touch-type spring pin connector. During use, after aligning the second meter and the quick-release bracket assembly, the male and female pins of the spring pin connector come into contact, conducting current and signals. Compared to conventional terminal block connections in the prior art, this eliminates the need for plugging and unplugging; electrical signal connection is achieved almost instantly upon clamping and assembling the two, making it quick and convenient. This not only enables rapid assembly and disassembly of the second meter, but also allows for quick replacement of the second meter with other functional devices, meeting a wide range of application requirements.

[0037] 3. The utility model can simultaneously assemble the quick-release bracket assembly and the first instrument through the anti-theft bracket, and the replacement device assembled on the quick-release bracket is protected from theft through the locking mechanism, thereby improving safety while ensuring the compactness of the assembly structure.

[0038] Other features and advantages of the present invention will be described in the following description or will be understood through implementation of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 This is a schematic diagram of the decomposition structure of the first embodiment of the present utility model.

[0040] Figure 2 This is a schematic diagram of the assembly structure of the first embodiment of the utility model.

[0041] Figure 3 This is a schematic diagram of the exploded structure of the quick-release bracket assembly according to an embodiment of the present utility model.

[0042] Figure 4 This is a schematic diagram of the assembly structure of the handle, movable buckle and shell of an embodiment of the utility model.

[0043] Figure 5 This is a schematic diagram of the assembly structure of the handle and the housing according to an embodiment of the present utility model.

[0044] Figure 6 This is a schematic structural diagram of the second instrument according to an embodiment of the present utility model.

[0045] Figure 7 This is a schematic diagram of the assembly structure of the quick-release bracket assembly and the anti-theft bracket according to an embodiment of the present utility model.

[0046] Figure 8 This is a schematic structural diagram of the movable buckle according to an embodiment of the present utility model.

[0047] Figure 9 This is a schematic diagram of the decomposition structure of the second embodiment of the present utility model.

[0048] Figure 10 This is a schematic diagram of the exploded structure of a mobile phone holder according to the second embodiment of the present utility model.

[0049] In the picture:

[0050] 100. First instrument;

[0051] 200, second instrument; 201, back cover; 202, second connector A of spring pin connector; 203, card slot;

[0052] 300, anti-theft bracket; 301, clearance slot; 302, mechanical lock; 303, lock tongue; 304, second installation position; 305, first installation position;

[0053] 400, quick-release bracket assembly; 401, top shell; 402, first elastic member; 403, movable buckle; 404, second elastic member; 405, handle; 406, bottom shell; 407, first connector of spring pin connector; 408, support surface; 409, fixing buckle; 410, wiring terminal; 4031, inclined surface; 4032, positioning block; 4033, mounting slot; 4051, boss; 4052, guide bar; 4061, guide rail;

[0054] 700, mobile phone;

[0055] 800, mobile phone holder; 801, clamp; 802, second end of terminal connector; 803, wireless charging plate; 804, first end of terminal connector; 805, power adapter board; 806, second connector B of spring pin connector; 807, base; 808, snap-on portion. DETAILED DESCRIPTION

[0056] The specific implementation of the present utility model is described below with reference to the accompanying drawings.

[0057] See also Figures 1 to 3 、 Figure 6 , the modular instrument assembly of this embodiment includes a quick-release bracket assembly 400, a replacement device, an anti-theft bracket 300 and a first instrument 100;

[0058] The quick-release bracket assembly 400 is provided with a support surface 408 , and clamping mechanisms are provided at both ends of the support surface 408 , which are used to clamp and connect with the replacement device;

[0059] The clamping mechanism includes a fixed buckle 409 provided at one end of the support surface 408, and a movable buckle 403 provided at the other end of the support surface 408 and capable of moving relative to the fixed buckle 409;

[0060] The replacement device includes one of a second meter 200 and a functional device, wherein the functional device includes a device component or a target electronic device; the replacement device is selectively assembled to the quick-release bracket assembly 400 through the clamping mechanism;

[0061] An electrical connection, or an electrical connection and a signal connection, is formed between the replacement device and the quick-release bracket assembly 400 via a connection interface;

[0062] The connection interface includes a first spring pin connector connector 407 provided on the supporting surface 408 and a second spring pin connector connector A 202 provided on the supported surface of the second meter 200;

[0063] As a specific embodiment, the first connector 407 of the spring pin connector is a male connector of the spring pin connector, and the second connector A 202 of the spring pin connector is a female connector of the spring pin connector;

[0064] The quick-release bracket assembly 400 is further provided with a wiring terminal 410 for connecting the first connector 407 of the pogo pin connector to the control module of the vehicle;

[0065] The anti-theft bracket 300 is provided with a first mounting position 305, a second mounting position 304 and a locking mechanism;

[0066] The first mounting position 305 is used for detachably connecting the first meter 100;

[0067] The second mounting position 304 is used for detachable connection to the quick-release bracket assembly 400;

[0068] The locking mechanism is used to limit the movable buckle 403 so that the replacement device is clamped on the quick-release bracket assembly 400 and cannot be removed.

[0069] This embodiment provides two meters. As a first optional implementation, the first meter 100 is small and simple and can be connected to a vehicle control module, such as a central control PCBA, via a communication protocol (e.g., 485, Wi-Fi, 4G, CAN, or a single-line protocol). It can be used to display basic vehicle information, including speed, battery level, mileage, and alarm signals. The second meter 200 is connected to the second spring pin connector A 202 of the quick-release bracket assembly 400 via a first spring pin connector 407. It is then connected to the vehicle control module, such as the central control PCBA, via a wiring harness using a terminal 410 on the quick-release bracket assembly 400. It can display basic vehicle information and extended information, and provide functional and entertainment services, including multimedia services such as navigation and music. The extended information includes other vehicle information, such as gear position.

[0070] In a first optional implementation, the first and second instruments cooperate to provide basic information display functions, extended information display, and extended service functions for the vehicle.

[0071] As a preferred embodiment, the second instrument 200 is equipped with an Android system and has navigation, music and other functions similar to those of a mobile phone.

[0072] In this embodiment, a spring-loaded pin connector connects the second meter 200 to the quick-release bracket assembly 400. During use, after aligning and assembling the second meter 200 and the quick-release bracket assembly 400, the male and female pins of the spring-loaded pin connector come into contact, conducting current and signals. Unlike conventional plug-in connectors, this eliminates the need for disconnection and disconnection; connection is achieved simply by alignment and contact. Combined with the clamping mechanism of the quick-release bracket assembly, this allows for efficient and convenient quick-release replacement of devices.

[0073] As a preferred method, Figure 6 As shown, both ends of the supported surface of the second meter 200 are provided with slots 203 that cooperate with the fixed buckle 409 and the movable buckle 403. Through the cooperation between the slots 203 and the clamping mechanism, the quick-release bracket assembly 400 clamps and fixes the second meter 200.

[0074] Specifically, the second meter 200 includes a display screen on the front and a back shell 201 on the back. Preferably, the supported surface is located on the back shell 201 of the second meter 200. The second spring pin connector A 202 is provided on the supported surface.

[0075] See also Figures 3 to 5 、 Figure 8 The structure of the quick-release bracket assembly 400 includes a housing and a handle 405 provided on one side of the housing;

[0076] As a preferred embodiment, the housing is assembled by snapping together a top housing 401 and a bottom housing 406;

[0077] The support surface 408 is located on the upper surface of the top shell 401;

[0078] A cavity is formed in the housing, and the movable buckle 403 is slidably engaged with the cavity;

[0079] A portion of the handle 405 is located outside the cavity, and the other portion extends into the cavity. The portion extending into the cavity is connected to the housing through the first elastic member 402. The first elastic member 405 extends in a first direction (see Figure 4 providing a preload force and a restoring force in the middle pressing direction so that the handle 405 can move relative to the cavity along the first direction;

[0080] The handle 405 is slidably engaged with the movable buckle 403; the movable buckle 403 is connected to the housing via a second elastic member 404, and the second elastic member 404 is arranged along the second direction (see Figure 4 The second direction provides a preload and a restoring force so that the movable buckle 403 moves along the cavity relative to the fixed buckle 409, thereby adjusting the distance between the two buckles; the second direction is perpendicular to the first direction.

[0081] The first elastic member 402 and the second elastic member 404 can specifically be compression springs. The two ends of the first elastic member 402 are respectively connected to the handle 405 and the bottom shell 406. The first elastic member 402 provides a pre-tightening force to fix the handle 405 in the shell; the two ends of the second elastic member 404 are respectively connected to the movable buckle 403 and the top shell 401. The second elastic member 404 provides a pre-tightening force to clamp the movable buckle 403 in the shell in a buckled position.

[0082] As a preferred embodiment, the sliding cooperation structure between the handle 405 and the movable buckle 403 includes an inclined surface 4031 provided on the movable buckle 403 and a boss 4051 provided on the handle 405 and cooperating with the inclined surface 4031 .

[0083] Preferably, the movable buckle 403 is provided with a positioning block 4032, which has a contact surface for contacting a replacement device. Accordingly, the top shell 401 is provided with a positioning hole for receiving the positioning block 4032. When the movable buckle 403 is securely fastened to the housing, the positioning block 4032 passes through the positioning hole and extends outward from the inner wall of the top shell 401. To secure the second instrument or functional device, the movable buckle 403 is slid out of the housing. After the second instrument or functional device is placed, the movable buckle 403 is reset under the restoring force of the elastic member, and the positioning block 4032 passes through the positioning hole and extends outward from the inner wall of the top shell 401, securing the second instrument or functional device.

[0084] As a preferred embodiment, a mounting groove 4033 is provided on the movable buckle 403 for accommodating the second elastic member 404 .

[0085] As a preferred embodiment, a guide slide 4061 is provided in the bottom shell 406, which is used to cooperate with the bottom of the movable buckle 403 to ensure that the movable buckle 403 remains stable during the sliding process.

[0086] As a preferred embodiment, a guide bar 4052 is provided on the handle 405, which is used to cooperate with a corresponding guide portion in the bottom shell 406 to keep the handle 405 stable during movement.

[0087] like Figure 4 As shown, the handle 405 is pressed in the pressing direction, and the handle 405 moves inward to squeeze the first elastic member 402. The boss 4051 of the handle 405 presses against the inclined surface 4031 of the movable buckle 403, and the movable buckle 403 is pushed out along the sliding direction, and the clamped replacement device can be removed. The external force pressing the handle 405 is cancelled, and the handle 405 and the movable buckle 403 are respectively restored to their original positions under the action of the corresponding spring members. When reassembly is required, the handle 405 is pressed again, and the movable buckle 403 is pushed out along the sliding direction, and the replacement device is placed on the support surface 408. Then the external force pressing the handle 405 is cancelled again, and the movable buckle 403 is pushed out along the sliding direction. Figure 4By resetting in the opposite direction of the sliding direction, the replacement device can be clamped and the electrical connection or electrical signal connection can be achieved at the same time. The installation and removal of the replacement device can be completed in just a few seconds, which is convenient and fast.

[0088] As a preferred embodiment, the boss 4051 of the handle 405 and the inclined surface 4031 of the movable buckle 403 can be provided in two groups along the moving direction of the handle 405 to facilitate pressing.

[0089] like Figure 7 As shown, the locking mechanism is an electromagnetic lock or a mechanical lock 302 , which includes a lock core and a lock tongue 303 ; a clearance groove 301 is provided on one side of the second installation position 304 of the anti-theft bracket 300 .

[0090] Specifically, the lock core can be fixed on the anti-theft bracket 300 through a locking member, and then the lock tongue 303 is fixed on the lock core by screws.

[0091] As a specific embodiment, for the mechanical lock 302, the lock tongue 303 can rotate relative to the lock core. The quick-release bracket assembly 400, which has the second instrument 200 installed, is fastened to the anti-theft bracket 300 with screws. When locking, the lock tongue 303 rotates to the locked position, at which point the lock tongue 303 is in a horizontal position. If the handle 405 is pressed in the direction of the arrow, the lock tongue 303 applies a force in the direction of the arrow in the figure, which presses against the movable buckle 403 to prevent it from moving, keeping the second instrument or functional device clamped and achieving the anti-theft function. When unlocking, the lock tongue 303 rotates downward 25 degrees to the unlocking position. At this time, the lock tongue 303 can extend into the clearance slot 301, releasing the limit on the movable buckle 403. Pressing the handle 405 allows the movable buckle 403 to move, allowing the second instrument or functional device to be removed.

[0092] The mechanical lock 302 is preferably a password lock. When the digital password of the password lock is dialed to the correct position, the deadbolt rotates.

[0093] As a specific embodiment, the electromagnetic lock is electrically connected to the vehicle's power module and controlled by a switch. During use, turning on the switch powers the electromagnetic lock, automatically retracting the lock tongue and placing it in the unlocked state. Turning off the switch de-energizes the electromagnetic lock, automatically extending the lock tongue and placing it in the locked, anti-theft state. The switch can be used to control the circuit's on / off state based on whether the vehicle's control module is powered off. Specifically, when the vehicle's control module is powered off, the control switch is closed, locking the electromagnetic lock. When the vehicle's control module is powered on, the control switch is opened, unlocking the electromagnetic lock.

[0094] The mechanical lock or electromagnetic lock used in this embodiment can be purchased and can be used by those skilled in the art to configure it according to common knowledge to achieve the above-mentioned corresponding functions.

[0095] In a second alternative embodiment, the second meter 200 can be quickly replaced with a functional device, such as a decorative piece or a target electronic device, to meet various usage requirements. In this embodiment, the target electronic device includes a mobile phone holder that can be used to hold a target electronic product. The target electronic product can be a device that provides entertainment or services, including a mobile phone, tablet computer, electronic toy, or electronic watch.

[0096] As a specific implementation, see Figure 9 and Figure 10 The structure of the mobile phone holder 800 includes a holder 801 and a base 807, and the holder 801 is connected to the base 807;

[0097] A power adapter board 805 is provided in the base 807. A second spring pin connector B 806 is provided on the power adapter board 805. The power adapter board 805 also has a first terminal connector end 804 that forms an electrical connection with the second spring pin connector B 806.

[0098] A wireless charging plate 803 is provided in the holder 801 , on which a terminal connector second end 802 for connecting to a terminal connector first end 804 is provided.

[0099] The connection between the mobile phone holder 800 and the quick-release holder assembly 400 is similar to the connection structure between the second meter 200 and the quick-release holder assembly 400. The mobile phone holder 800 and the quick-release holder assembly 400 can be clamped or loosened, and connected via the first connector 407 of the spring pin connector and the second connector B 806 of the spring pin connector, forming an electrical connection during the clamping connection. During use, the quick-release holder assembly 400 can be mounted on the vehicle body, and the movable latch 403 of the clamping mechanism is pulled to clamp the mobile phone holder 800 to the quick-release holder assembly 400. The second connector B 806 of the spring pin connector contacts the first connector 407 of the spring pin connector, transmitting the electrical signal from the vehicle power module to the wireless charging module. The mobile phone 700 is then clamped to the mobile phone holder 800 via the clamp 801, and the wireless charging module can then charge the mobile phone 700.

[0100] Specifically, the second connector B 806 of the spring pin connector is located on the side of the power adapter board 805 close to the bottom of the base 807 and extends out of the supported surface; the first end 804 of the terminal connector is located on the side of the power adapter board 805 away from the bottom of the base 807 and is arranged back to back with the second connector B 806 of the spring pin connector.

[0101] Specifically, the first connector 407 of the pogo pin connector is a male connector of the pogo pin connector, and the second connector B 806 of the pogo pin connector is a female connector of the pogo pin connector.

[0102] Specifically, the clamp 801 is provided with a pulling spring-type clamping component that can be used for clamping and releasing.

[0103] Specifically, the bottom of the base 807 of the mobile phone holder 800 forms a supported portion corresponding to the supporting surface 408 of the quick-release holder assembly 400, and both ends of the supported portion are provided with snap-fitting portions 808 that snap-fit ​​with the fixed buckle 409 and the movable buckle 403.

[0104] In a second optional embodiment, on the one hand, the user can choose not to equip the second instrument 200, and only obtain vehicle information through the first instrument 100. In addition, the user can directly assemble their mobile phone, tablet, etc. to the quick-release bracket assembly 400 or assemble it through the mobile phone holder 800. Without affecting the normal use of the vehicle, the user can still obtain navigation, music and other services, and obtain charging functions through the mobile phone holder 800. During use, the quick-release bracket assembly 400 is installed on the vehicle body, and the active buckle 403 of the clamping mechanism is pulled to clamp the mobile phone holder 800 to the quick-release bracket assembly 400. The second connector B 806 of the spring pin connector contacts the first connector 407 of the spring pin connector, transmitting the electrical signal from the vehicle power module to the wireless charging module. The mobile phone 700 is then clamped to the mobile phone holder 800 through the clamp 801, and the mobile phone 700 can be charged through the wireless charging module. On the other hand, users can choose to equip two instruments at the same time and use both instruments at the same time according to their own needs, or remove the second instrument 200 and replace it with their own mobile phone. The removed second instrument 200 can be mounted on other devices such as toy cars to realize the display function.

[0105] This embodiment also provides an electric vehicle, which includes the modular instrument assembly.

[0106] Those skilled in the art will understand that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A modular instrument assembly, characterized in that: It comprises a quick-release bracket assembly (400), a replacement device, an anti-theft bracket (300) and a first meter (100); The quick-release bracket assembly (400) is provided with a support surface (408), and clamping mechanisms are provided at both ends of the support surface (408) for clamping and connecting with the replacement device; The clamping mechanism comprises a fixed buckle (409) provided at one end of the support surface (408), and a movable buckle (403) provided at the other end of the support surface (408) and capable of moving relative to the fixed buckle (409); The replacement device includes a second instrument (200) or a functional device, and the functional device includes a decorative component or a target electronic device; the replacement device is selectively assembled onto the quick-release bracket assembly (400) through the clamping mechanism; An electrical connection, or an electrical connection and a signal connection, is formed between the replacement device and the quick-release bracket assembly (400) via a connection interface; The connection interface comprises a spring pin connector first connector (407) provided on the supporting surface (408), and a spring pin connector second connector A (202) provided on the supported surface of the second meter (200); The quick-release bracket assembly (400) is also provided with a wiring terminal (410) for connecting the first connector (407) of the spring pin connector to a control module of a vehicle; The anti-theft bracket (300) is provided with a first installation position (305), a second installation position (304) and a locking mechanism; The first mounting position (305) is used for detachably connecting the first instrument (100); The second mounting position (304) is used for detachably connecting the quick-release bracket assembly (400), and after connection, the movable buckle (403) of the quick-release bracket assembly (400) is close to one side of the locking mechanism; The locking mechanism is used to limit the position of the movable buckle (403), so that the replacement device is clamped on the quick-release bracket assembly (400) and cannot be removed.

2. The modular instrument assembly according to claim 1, characterized in that: The first instrument (100) and the vehicle control module are used to display basic vehicle information; the second instrument (200) is connected to the vehicle control module via the quick-release bracket assembly (400) and is used to display basic vehicle information and extended information, and provide functional and entertainment services.

3. The modular instrument assembly according to claim 1, characterized in that: The structure of the quick-release bracket assembly (400) includes a housing and a handle (405); The support surface (408) is located on the surface of the shell; A cavity is formed in the shell, a portion of the handle (405) extends into the cavity and is connected to the shell via a first elastic member (402); the first elastic member (402) provides a preload force and a restoring force along a first direction, so that the handle (405) can move relative to the cavity along the first direction; The handle (405) is slidably engaged with the movable buckle (403); The movable buckle (403) is connected to the shell through a second elastic member (404), and the second elastic member (404) provides a pre-tightening force and a restoring force along a second direction, so that the movable buckle (403) moves along the cavity relative to the fixed buckle (409), thereby adjusting the distance between the two buckles; the second direction is perpendicular to the first direction.

4. The modular instrument assembly according to claim 3, characterized in that: The sliding matching structure of the handle (405) and the movable buckle (403) comprises an inclined surface (4031) provided on the movable buckle (403), and a boss (4051) provided on the handle (405) and matching with the inclined surface (4031).

5. The modular instrument assembly according to claim 3, characterized in that: The movable buckle (403) is provided with a positioning block (4032), which is provided with a fitting surface for fitting the replacement device; and the housing is provided with a positioning hole for passing the positioning block (4032).

6. The modular instrument assembly according to claim 1, characterized in that: The target electronic device comprises a mobile phone holder (800), the mobile phone holder (800) being used to clamp the target electronic product, and the mobile phone holder (800) being provided with a spring pin connector second connector B (806) for mating with the spring pin connector first connector (407); The mobile phone holder (800) is provided with a wireless charging module, and the wireless charging module is electrically connected to the second connector B (806) of the spring pin connector.

7. The modular instrument assembly according to claim 1, characterized in that: The locking mechanism is a mechanical lock or an electromagnetic lock; the structure of the locking mechanism includes a lock tongue, and when the lock tongue moves to the upper locking position, it can hold the movable buckle (403) from the outside so that it cannot move; The electromagnetic lock is electrically connected to the power module of the vehicle and is turned on and off by a switch control circuit; The switch switches the circuit on and off according to whether a control module of the vehicle is powered off.

8. The modular instrument assembly according to claim 7, characterized in that: A clearance groove (301) is provided on one side of the anti-theft bracket (300) located at the second installation position (304), and the lock tongue (303) can extend into the clearance groove (301) when it moves to the unlocking position.

9. The modular instrument assembly according to claim 1, wherein: Both ends of the supported surface of the second meter (200) are provided with slots (203) respectively cooperating with the fixed buckle (409) and the movable buckle (403).

10. An electric vehicle, characterized in that: A modular instrument assembly comprising any one of claims 1 to 9.

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