Intelligent instrument for electric bicycle and control method

Abstract

The invention discloses an intelligent instrument for an electric bicycle and a control method.The intelligent instrument comprises a frame body, the frame body comprises a front assembly frame and a rear heat dissipation frame, a rear opening of the front assembly frame is fixedly connected with a front opening of the rear heat dissipation frame, and a 4G communication module, a main control board and an IOT module are sequentially arranged in a cavity of the front assembly frame from top to bottom; a first heat conduction piece is attached to the back face of the main control board, a heat conduction substrate is fixedly arranged in the middle of an inner cavity of the rear heat dissipation frame, the front face of the upper portion of the heat conduction substrate is overlapped with the back face of the first heat conduction piece, and a GPS module and a battery module are fixedly arranged on the back face of the lower portion of the heat conduction substrate. The display module is fixedly arranged at the front end of the front assembly frame and is electrically connected with the main control board; and the cover plate is detachably, hermetically and fixedly arranged at the rear opening of the rear heat dissipation frame. According to the intelligent instrument, through the split type frame body and the heat conduction structure, the high integration level and the excellent heat dissipation performance of the instrument are both considered, and the intelligent riding requirement is met.

Description

Technical Field

[0001] This invention relates to the field of bicycle accessories technology, and more specifically to an intelligent instrument and control method for electric bicycles. Background Technology

[0002] Currently, bicycle gauges are devices installed on bicycles to record and display various riding data and related information. Traditional electronic bicycle gauges mainly integrate the measurement and display functions of basic information such as speed and mileage, and suffer from limited functionality and low integration. With the trend of data-driven and intelligent cycling activities, users have increasingly higher demands for advanced functions of gauges, such as real-time navigation, physiological indicator monitoring, intelligent anti-theft, and data synchronization and interaction with mobile terminals or cloud service platforms. Traditional gauges are unable to meet these needs.

[0003] In addition, existing bicycle instruments also have many technical bottlenecks in terms of structure and design: First, their data communication mostly relies on wired connections, and the cables are usually exposed, which are prone to signal attenuation and connection failure due to environmental corrosion and physical scratches, resulting in insufficient reliability and durability; Second, due to limited heat dissipation capacity, in order to realize data processing, communication and sensing functions, the main control unit, wireless communication module and sensing unit are often set up on separate boards and connected by external lines, resulting in a loose internal structure, low integration and large space occupation, which is not conducive to the miniaturization and lightweight design of the instrument.

[0004] Therefore, designing a highly integrated, well-heated, wirelessly remotely oriented, and internally wired smart bicycle instrument has become a pressing technical problem in this field. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides an intelligent instrument and control method for electric bicycles, thereby improving the instrument's integration and heat dissipation performance.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0007] A smart instrument for an electric bicycle includes: a frame comprising a front mounting frame and a rear heat dissipation frame, wherein the edge of the rear opening of the front mounting frame is fixedly connected to the edge of the front opening of the rear heat dissipation frame; a 4G communication module, a main control board, and an IoT module are sequentially arranged from top to bottom within the cavity of the front mounting frame; the main control board is electrically connected to the 4G communication module and the IoT module respectively; a first heat-conducting component is attached to the back of the main control board; a heat-conducting substrate is fixedly disposed in the middle of the cavity of the rear heat dissipation frame; the front surface of the upper part of the heat-conducting substrate overlaps with the back surface of the first heat-conducting component; and a GPS module and a battery module are fixedly disposed on the back surface of the lower part of the heat-conducting substrate; a display module is fixedly disposed at the front end of the front mounting frame and electrically connected to the main control board; and a cover plate is detachably and sealingly fixed at the rear opening of the rear heat dissipation frame, and a mounting structure is provided on the back of the cover plate.

[0008] To better implement the above technical solution, optionally, the inner cavity of the rear heat dissipation frame has a clearance area above the heat-conducting substrate, and the clearance area is used to provide space for the 4G communication module to transmit and receive signals.

[0009] Optionally, the mounting structure includes: a mounting base fixed to the back of the cover plate, the mounting base having a first wiring channel communicating with the front side of the cover plate; a connecting base fixed to one end of the mounting base, the connecting base having a central screw hole and an eccentric wiring groove; and a clamping frame, the clamping frame having a connecting sleeve fixed to its outer side, the connecting sleeve being fitted onto the outer peripheral wall of the connecting base and rotatably connected to the connecting base via an adjusting screw that passes through the connecting sleeve and is embedded in the central screw hole, the clamping frame having a second wiring channel communicating with the eccentric wiring groove on its inner side.

[0010] Optionally, the mounting base has a mounting hole on its side, the mounting hole including a positioning hole and a circumferential limiting groove. The connecting base includes an annular base, a circumferential limiting block on the outer circumferential wall of the annular base, an eccentric connecting part on one end of the annular base, and an elastic buckle on the other end of the annular base. The central hole of the annular base is a central screw hole. The annular base passes through the positioning hole. The elastic buckle and the eccentric connecting part abut against the two side walls of the positioning hole along the axial direction. The circumferential limiting block is engaged in the circumferential limiting groove. The connecting sleeve is fitted on the outer circumference of the eccentric connecting part.

[0011] Optionally, the clamping frame includes a first clamping semicircular ring and a second clamping semicircular ring. The connecting sleeve is fixed to the outer side of the end of the first clamping semicircular ring. The first end of the first clamping semicircular ring is hinged to the first end of the second clamping semicircular ring. The second end of the first clamping semicircular ring is connected to the second end of the second clamping semicircular ring by a connecting screw. Both the first clamping semicircular ring and the second clamping semicircular ring have a second wiring channel.

[0012] Optionally, the lower part of the display module is provided with a light-transmitting hole, and a photosensitive sensor is embedded in the light-transmitting hole. The photosensitive sensor is electrically connected to the main control board. Based on the detection signal of the photosensitive sensor, the main control board intelligently controls the external vehicle lights and adjusts the brightness of the display module through lead wires.

[0013] Optionally, the main control board includes an integrated Bluetooth chip, which connects to external wireless buttons and / or smart terminals equipped with an APP.

[0014] A control method for a smart instrument for an electric bicycle, applied to the aforementioned smart instrument for an electric bicycle, the control method comprising:

[0015] Obtain external instruction information; wherein, the instruction information is sent through a cloud server or a mobile APP;

[0016] In response to command information, and based on the status information generated by the instrument, it generates corresponding message information;

[0017] The corresponding working mode is determined based on the message information, and the preset control flow is invoked according to the working mode.

[0018] Furthermore, the instruction information includes power-on instructions and power-off instructions.

[0019] Furthermore, according to the operating mode, a preset control flow is invoked, specifically including:

[0020] The operating modes include normal power-on, charging mode, lock mode, and message timeout;

[0021] The control process corresponding to normal power-on includes: acquiring the power-on time, transmitting signals based on a first preset time, transmitting information based on a second preset time, and transmitting instrument data based on changes in riding data.

[0022] The control flow corresponding to the charging mode includes: turning off the backlight, button function, and controller communication function.

[0023] The power button I / O port status is detected. If the button is pressed and held, the chip is restarted to prevent the user from turning on the device at this time.

[0024] Keep the I / O port high;

[0025] The control flow corresponding to the lock mode includes: disabling button function and controller communication function;

[0026] Display the lock screen;

[0027] The control flow corresponding to the message timeout includes: reporting an IoT communication error code, at which point remote control is ineffective and only button operation is available, and whether to retain the communication function with the controller.

[0028] The beneficial effects of this invention are:

[0029] This invention discloses a smart meter for electric bicycles. It employs a split frame structure, dividing the frame into a front mounting frame and a rear heat dissipation frame. The 4G communication module, main control board, and IoT module are respectively housed within the front mounting frame, while the GPS module and battery module are fixed to a heat-conducting substrate. Heat generated by the main control board is conducted to the heat-conducting substrate via a first heat-conducting component attached to its back. Heat generated by the IoT module, GPS module, and battery module during operation is directly transferred to the heat-conducting substrate. The heat-conducting substrate, acting as a core heat collection and lateral diffusion node, transfers the collected heat to the rear heat dissipation frame, from which it dissipates outwards. This improves the overall heat dissipation efficiency of the smart meter, overcoming the technical bottleneck of not being able to densely integrate high-power 4G communication modules, main control boards, IoT modules, and GPS modules within a limited meter space due to localized overheating. This achieves a high degree of integration and miniaturization of the device. Furthermore, the rear heat dissipation frame has a removable cover at its rear opening, facilitating the replacement or maintenance of the built-in battery module and enhancing the product's maintainability and ease of use.

[0030] The present invention discloses an intelligent instrument for electric bicycles that, in addition to displaying data, integrates a 4G communication module and a GPS module, thereby enhancing its functional integration and adapting to the increasingly advanced needs of users. By interacting with a mobile APP or cloud server, it determines the corresponding working mode and invokes a preset control process according to the working mode to achieve intelligent interactive control. Attached Figure Description

[0031] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0032] Figure 1 A three-dimensional schematic diagram of an intelligent instrument for an electric bicycle provided as an embodiment of the present invention;

[0033] Figure 2 An exploded view of a smart meter for an electric bicycle provided in an embodiment of the present invention;

[0034] Figure 3A three-dimensional schematic diagram of a portion of the structure of an intelligent instrument for an electric bicycle, provided as an embodiment of the present invention;

[0035] Figure 4 This is for Figure 3 Enlarged view of the middle connector;

[0036] Figure 5 A schematic diagram of a smart meter for an electric bicycle provided as an embodiment of the present invention;

[0037] Figure 6 This is a flowchart illustrating a control method for an intelligent instrument used in an electric bicycle, as provided in an embodiment of the present invention.

[0038] Figure label:

[0039] Display module 10, light-transmitting hole 101, front assembly frame 20, mounting plate 201, rear heat dissipation frame 30, clearance area 302, heat-conducting substrate 301, cover plate 40, mounting structure 50, mounting base 51, first wiring channel 511, positioning hole 512, circumferential limiting groove 513, connecting base 52, center screw hole 521, eccentric wiring groove 522, annular base 523, circumferential limiting block 524, eccentric connecting part 525, elastic buckle 526, clamping frame 53, connecting sleeve 531, second wiring channel 532, first clamping semicircular ring 533, second clamping semicircular ring 534, 4G communication module 61, main control board 62, first heat-conducting component 621, IoT module 63, GPS module 64, battery module 65. Detailed Implementation

[0040] The embodiments of the technical solution of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the technical solution of the present invention and are therefore intended to limit the scope of protection of the present invention.

[0041] Please see Figures 1 to 5 The present invention provides an intelligent instrument for electric bicycles, which includes a frame, a display module 10 and a cover plate 40.

[0042] like Figure 2As shown, the frame includes a front mounting frame 20 and a rear heat dissipation frame 30. The edge of the rear opening of the front mounting frame 20 is fixedly connected to the edge of the front opening of the rear heat dissipation frame 30. Specifically, the front mounting frame 20 is made of engineering plastic, and the rear heat dissipation frame 30 is made of stainless steel or aluminum alloy. The front mounting frame 20 and the rear heat dissipation frame 30 are connected as a whole by adhesive. The cavity of the front mounting frame 20 is integrally mounted on the mounting plate 201. From top to bottom, the back of the mounting plate 201 is provided with a 4G communication module 61, a main control board 62, and an IoT module 63. The main control board 62 is electrically connected to the 4G communication module 61 and the IoT module 63 respectively. The back of the main control board 62 is covered with... A first heat-conducting component 621 is provided, preferably a thermally conductive silicone pad, which covers the back of the main control board 62. A thermally conductive substrate 301 is fixed in the middle of the inner cavity of the rear heat dissipation frame 30. The thermally conductive substrate 301 and the rear heat dissipation frame 30 are an integral structure. The front of the upper part of the thermally conductive substrate 301 overlaps with the back of the first heat-conducting component 621. A GPS module 64 and a battery module 65 are fixedly provided on the back of the lower part of the thermally conductive substrate 301. The display module 10 is fixedly located at the front end of the front mounting frame 20 and is electrically connected to the main control board 62. A cover plate 40 is detachably and sealed at the rear opening of the rear heat dissipation frame 30. A mounting structure 50 is provided on the back of the cover plate 40.

[0043] An embodiment of the present invention provides a smart meter for an electric bicycle. The meter employs a split frame structure, dividing the frame into a front mounting frame 20 and a rear heat dissipation frame 30. A 4G communication module 61, a main control board 62, and an IoT module 63 are respectively disposed within the front mounting frame 20, while a GPS module 64 and a battery module 65 are fixed to a heat-conducting substrate 301. Heat generated by the main control board 62 is conducted to the heat-conducting substrate 301 via a first heat-conducting element 621 attached to its back. The IoT module 63, GPS module 64, and battery module 65 operate... The heat generated during operation is directly transferred to the heat-conducting substrate 301. The heat-conducting substrate 301, acting as a core heat collection and lateral diffusion node, transfers the collected heat to the rear heat dissipation frame 30, which then dissipates outwards. This improves the overall heat dissipation efficiency of the smart instrument, overcoming the technical bottleneck of not being able to densely integrate the high-power 4G communication module 61, main control board 62, IoT module 63, and GPS module 64 within the limited instrument space due to localized overheating. This achieves a high degree of integration and miniaturization of the device. Furthermore, the rear opening of the rear heat dissipation frame 30 is equipped with a removable cover 40. This structure facilitates the replacement or maintenance of the built-in battery module 65, enhancing the product's maintainability and ease of use.

[0044] In this embodiment, a clearance area 302 is formed in the inner cavity of the rear heat sink 30 above the heat-conducting substrate 301. The clearance area 302 is used to provide space for the 4G communication module 61 to transmit and receive signals. The clearance area 302 provides the necessary space for the antenna of the 4G communication module 61 to transmit and receive signals, effectively avoiding the shielding and interference of electromagnetic waves caused by the metal rear heat sink 30 and the heat-conducting substrate 301, thereby ensuring the stability and transmission quality of wireless communication; at the same time, it also improves the air circulation path inside the instrument and helps to improve the overall heat dissipation efficiency.

[0045] like Figures 2-4 As shown, the mounting structure 50 includes a mounting base 51, a connecting base 52, and a clamping frame 53. The mounting base 51 is fixed to the back of the cover plate 40. The mounting base 51 has a first wiring channel 511 that communicates with the front side of the cover plate 40. Specifically, the mounting base 51 and the cover plate 40 are an integral structure. The mounting base 51 is a hollow strip structure. The connecting base 52 is fixed to one end of the mounting base 51. The connecting base 52 has a central screw hole 521 and an eccentric wiring groove 522. A connecting sleeve 531 is fixed to the outside of the clamping frame 53. The connecting sleeve 531 is sleeved on the outer peripheral wall of the connecting base 52 and is rotatably connected to the connecting base 52 by an adjusting screw that passes through the connecting sleeve 531 and is embedded in the central screw hole 521. The inner side of the clamping frame 53 has a second wiring channel 532 that communicates with the eccentric wiring groove 522.

[0046] In this embodiment, there are two connecting seats 52 and two clamping frames 53, which are respectively arranged on both sides of the mounting seat 51. The arrangement of two clamping frames 53 can make the mounting structure 50 more reasonable and more stable.

[0047] like Figure 3 and Figure 4As shown, the mounting base 51 has mounting holes on its side, including positioning holes 512 and circumferential limiting grooves 513 located beside the positioning holes 512. The first wiring channel 511 is also located beside the positioning holes 512. Preferably, the first wiring channel 511, the positioning holes 512, and the circumferential limiting grooves 513 are connected. The connecting base 52 includes an annular base 523, a circumferential limiting block 524 located on the outer circumferential wall of the annular base 523, an eccentric connecting part 525 located at one end of the annular base 523, and an elastic buckle 526 located at the other end of the annular base 523. The central hole of the annular base 523 is a central screw hole 521. Specifically, the connecting base 52 is an integral structure, and the elastic buckle 526 is located along the circumference of the annular base 523. Multiple L-shaped locking rods are spaced apart, with at least one L-shaped locking rod having its free end facing the outside of the annular base 523. Preferably, there are three L-shaped locking rods. The annular base 523 passes through the positioning hole 511. The elastic buckle 526 and the eccentric connecting part 525 respectively abut against the two side walls of the mounting hole 512 along the axial direction. The circumferential limiting block 524 is inserted into the circumferential limiting groove 513. The connecting sleeve 531 is fitted on the outer periphery of the eccentric connecting part 525. The connecting seat 52 can be locked axially by the cooperation of the elastic buckle 526 and the eccentric connecting part 525, and the connecting seat 52 can be locked circumferentially by the cooperation of the circumferential limiting block 524 and the circumferential limiting groove 513. Its structure is simple and easy to assemble, and at the same time, it provides basic conditions for wiring.

[0048] In this embodiment, the angle of the mounting base 51 is adjustable by adjusting the screw and the clamping frame 53. When the angle needs to be adjusted, the adjusting screw is loosened to release its lock on the clamping frame 53, and the clamping frame 53 can be manually rotated to the required angle. Then, the adjusting screw is tightened again to securely lock the clamping frame 53 at that angle position. This adjustment structure is easy to operate, the adjustment process is smooth, and it can provide reliable locking force at any adjustment position, ensuring the posture stability of the mounting base 51 during use.

[0049] In this embodiment, the clamping frame 53 includes a first clamping semicircular ring 533 and a second clamping semicircular ring 534. The connecting sleeve 531 is fixed to the outer side of the end of the first clamping semicircular ring 533. The first end of the first clamping semicircular ring 533 is hinged to the first end of the second clamping semicircular ring 534. The second end of the first clamping semicircular ring 533 and the second end of the second clamping semicircular ring 534 are connected by a connecting screw. Both the first clamping semicircular ring 533 and the second clamping semicircular ring 534 have a second wiring channel 532.

[0050] Specifically, the first clamping semicircular ring 533 has a wire outlet hole on one side wall near its hinge. The wires inside the smart instrument are led out through the wire outlet holes of the first wiring channel 511, the eccentric wiring groove 522, the connecting sleeve 531, the first clamping semicircular ring 533, and the second clamping semicircular ring 534 and placed inside the bicycle tube, realizing hidden wiring, which helps to improve the aesthetics of the wiring and the stability of use.

[0051] In this embodiment, in order to achieve more functional expansion and control, the lower part of the display module 10 is provided with a light-transmitting hole 101. A photosensitive sensor is embedded in the light-transmitting hole 101. The photosensitive sensor is electrically connected to the main control board 62. Based on the detection signal of the photosensitive sensor, the main control board 62 intelligently controls the external vehicle lights and adjusts the brightness of the display module 10 through the lead wire.

[0052] In this embodiment, the smart meter for electric bicycles can be applied to electric bicycles, not limited to them, and can also be applied to other types of two-wheeled vehicles.

[0053] In this embodiment, the IoT module can be an ESP32 module. The ESP32 is a high-performance, low-power Internet of Things (IoT) chip launched by Espressif Systems, which integrates Wi-Fi and Bluetooth functions.

[0054] The 4G communication module can use the A7670SA as a cost-effective LTE Cat1 module, and is equipped with a corresponding 4G card slot and 4G antenna; the 4G communication module and the IoT module are connected via a UART port, which facilitates communication with cloud servers or mobile apps;

[0055] GPS module 64 uses a ceramic antenna;

[0056] In this embodiment, the conductor is a flexible flat cable, including corresponding communication lines, power lines and I / O lines;

[0057] In this embodiment, the main control board is a four-layer board with surface mount technology on both sides; the 4G communication module and the IoT module are connected via a UART port; the battery module is also connected to a charge / discharge voltage detection circuit.

[0058] In some embodiments, the main control board includes an integrated Bluetooth chip, which connects to external wireless buttons and / or smart terminals equipped with an APP.

[0059] In application, the main control board also includes an integrated controller and buzzer, as well as display, battery communication circuits and DC conversion circuits; among them, the buzzer is connected to the controller to remind the instrument of relevant status, such as turning off the screen.

[0060] Signal devices include buttons; such as a power button.

[0061] Furthermore, the display module includes an LCD screen glass panel and an LCD screen module.

[0062] When in use, the LCD screen module is pre-installed with a power-on / off interface and a main interface.

[0063] The above solution includes a main control board for display control and a 4G communication module 61, an IoT module 63, and a GPS module 64 for uploading cycling data. The main control board is also connected to the display module 10 and external signal devices via lead wires. This allows the smart instrument to integrate 4G and GPS positioning functions in addition to displaying data, making it more functionally integrated and adaptable to the increasingly advanced needs of users.

[0064] Reference Figure 5 and Figure 6 The present invention also discloses a control method for a smart instrument for an electric bicycle, applied to the aforementioned smart instrument for an electric bicycle, the control method comprising:

[0065] S101, Obtain external instruction information; wherein, the instruction information is sent through a cloud server or a mobile APP;

[0066] S102, in response to the instruction information, and based on the status information generated by the instrument, generate corresponding message information;

[0067] S103, determine the corresponding working mode based on the message information, and call the preset control flow according to the working mode.

[0068] In this embodiment, the instruction information includes a power-on instruction and a power-off instruction; when the power-on instruction is given, the instrument is also initialized and the connection between modules is established; in application, the instrument can also be turned on and off by pressing and holding the power button.

[0069] Furthermore, the control method further includes:

[0070] Based on the detected battery voltage, determine whether to turn the power supply from the external battery on or off.

[0071] That is, when the instruction information is received, the system determines whether to turn the external battery power supply on or off based on the detected battery voltage inside the instrument.

[0072] In this embodiment, the preset control flow is invoked according to the working mode, specifically including:

[0073] The operating modes include normal power-on, charging mode, lock mode, and message timeout;

[0074] The control process corresponding to normal power-on includes: acquiring a real-time power-on time, transmitting signals based on a first preset time, transmitting information based on a second preset time, and transmitting instrument data based on changes in riding data.

[0075] The control flow corresponding to the charging mode includes: turning off the backlight, button function, and controller communication function.

[0076] The power button I / O port status is detected. If the button is pressed and held, the chip is restarted to prevent the user from turning on the device at this time.

[0077] When the user powers on the device via the app, the I / O port should remain high normally and continuously.

[0078] The control flow corresponding to the lock mode includes: disabling button function and controller communication function;

[0079] Display the lock screen;

[0080] The control flow corresponding to the message timeout includes: reporting an IoT communication error code, at which point remote control is ineffective and only button operation is available, and whether to retain the communication function with the controller.

[0081] The signal transmission based on the first preset time (i.e., transmission every 10 seconds) includes: acquiring 4G signals and acquiring GPS signals;

[0082] Information transmission based on a second preset time (i.e., every 30 seconds) includes: instrument status, instrument product information, controller product information, button product information, battery product information, and instrument configuration items;

[0083] Transmitting instrument data based on changes in cycling data includes:

[0084] When the speed is 0, the current instrument data is uploaded at 10-second intervals;

[0085] When there is speed, upload the current instrument data at 3-second intervals;

[0086] Upload status settings and instrument configuration items each time data changes;

[0087] Meanwhile, IoT devices remain powered on to maintain MQTT communication with the cloud server and achieve low power consumption.

[0088] The IoT device and the cloud server interact via a 4G data communication module.

[0089] The above solution achieves intelligent interactive control by interacting with a mobile app or cloud server to determine the corresponding working mode and calling a preset control process according to the working mode.

[0090] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered within the scope of the claims and specification of the present invention.

Claims

1. A smart meter for electric bicycles, characterized in that, include: The frame includes a front mounting frame (20) and a rear heat dissipation frame (30). The edge of the rear opening of the front mounting frame (20) is fixedly connected to the edge of the front opening of the rear heat dissipation frame (30). A 4G communication module (61), a main control board (62) and an IOT module (63) are arranged sequentially from top to bottom in the cavity of the front mounting frame (20). The main control board (62) is electrically connected to the 4G communication module (61) and the IOT module (63) respectively. A first heat-conducting component (621) is attached to the back of the main control board (62). A heat-conducting substrate (301) is fixed in the middle of the cavity of the rear heat dissipation frame (30). The front of the upper part of the heat-conducting substrate (301) is superimposed on the back of the first heat-conducting component (621). A GPS module (64) and a battery module (65) are fixedly arranged on the back of the lower part of the heat-conducting substrate (301). The display module (10) is fixedly mounted on the front end of the front assembly frame (20) and electrically connected to the main control board (62); And a cover plate (40), which is detachably and sealed to the rear opening of the rear heat dissipation frame (30), and the back of the cover plate (40) is provided with an installation structure (50).

2. The intelligent instrument for electric bicycles according to claim 1, characterized in that, The inner cavity of the rear heat dissipation frame (30) forms a clearance area (302) above the heat-conducting substrate (301), and the clearance area (302) is used to provide space for the 4G communication module (61) to transmit and receive signals.

3. The intelligent instrument for electric bicycles according to claim 1, characterized in that, The mounting structure (50) includes: Mounting base (51), which is fixed to the back of cover plate (40), and the mounting base (51) is provided with a first wiring channel (511) communicating with the front side of cover plate (40); Connecting seat (52), the connecting seat (52) is fixed to one end of the mounting seat (51), the connecting seat (52) is provided with a central screw hole (521) and an eccentric wiring groove (522); The clamping frame (53) is fixedly provided with a connecting sleeve (531) on its outer side. The connecting sleeve (531) is sleeved on the outer peripheral wall of the connecting seat (52) and is rotatably connected to the connecting seat (52) by an adjusting screw that passes through the connecting sleeve (531) and is embedded in the central screw hole (521). The inner side of the clamping frame (53) is provided with a second wiring channel (532) that communicates with the eccentric wiring groove (522).

4. The intelligent instrument for electric bicycles according to claim 3, characterized in that, The mounting base (51) has mounting holes on its side, including positioning holes (512) and circumferential limiting grooves (513). The connecting base (52) includes an annular base (523), a circumferential limiting block (524) on the outer circumferential wall of the annular base (523), an eccentric connecting part (525) at one end of the annular base (523), and an elastic buckle (526) at the other end of the annular base (523). The central hole of the annular base (523) is a central screw hole (521). The annular base (523) passes through the positioning hole (512). The elastic buckle (526) and the eccentric connecting part (525) respectively abut against the two side walls of the positioning hole (512) in the axial direction. The circumferential limiting block (524) is inserted into the circumferential limiting groove (513). The connecting sleeve (531) is sleeved on the outer periphery of the eccentric connecting part (525).

5. A smart meter for an electric bicycle according to claim 4, characterized in that, The clamping frame (53) includes a first clamping semicircular ring (533) and a second clamping semicircular ring (534). The connecting sleeve (531) is fixed to the outer side of the end of the first clamping semicircular ring (533). The first end of the first clamping semicircular ring (533) is hinged to the first end of the second clamping semicircular ring (534). The second end of the first clamping semicircular ring (533) and the second end of the second clamping semicircular ring (534) are connected by a connecting screw. Both the first clamping semicircular ring (533) and the second clamping semicircular ring (534) have a second wiring channel (532).

6. A smart meter for electric bicycles according to claim 1, characterized in that, The lower part of the display module (10) is provided with a light-transmitting hole (101), and a photosensitive sensor is embedded in the light-transmitting hole (101). The photosensitive sensor is electrically connected to the main control board (62). Based on the detection signal of the photosensitive sensor, the main control board (62) intelligently controls the external vehicle lights and adjusts the brightness of the display module (10) through the lead wire.

7. A smart meter for electric bicycles according to claim 1, characterized in that, The main control board (62) includes an integrated Bluetooth chip, which connects to external wireless buttons and / or smart terminals equipped with an APP.

8. A control method for an intelligent instrument used in electric bicycles, characterized in that, The control method, applied to the intelligent instrument for an electric bicycle as described in claim 7, comprises: Obtain external instruction information; wherein, the instruction information is sent through a cloud server or a mobile APP; In response to command information, and based on the status information generated by the instrument, it generates corresponding message information; The corresponding working mode is determined based on the message information, and the preset control flow is invoked according to the working mode.

9. A control method for an intelligent instrument for an electric bicycle according to claim 8, characterized in that, The instruction information includes power-on instructions and power-off instructions.

10. A control method for an intelligent instrument for an electric bicycle according to claim 8, characterized in that, The preset control flow is invoked according to the described working mode, specifically including: The operating modes include normal power-on, charging mode, lock mode, and message timeout; The control process corresponding to normal power-on includes: acquiring the power-on time, transmitting signals based on a first preset time, transmitting information based on a second preset time, and transmitting instrument data based on changes in riding data. The control flow corresponding to the charging mode includes: turning off the backlight, button function, and controller communication function. The power button I / O port status is detected. If the button is pressed and held, the chip is restarted to prevent the user from turning on the device at this time. Keep the I / O port high; The control flow corresponding to the lock mode includes: disabling button function and controller communication function; Display the lock screen; The control flow corresponding to the message timeout includes: reporting an IoT communication error code, at which point remote control is ineffective and only button operation is available, and whether to retain the communication function with the controller.

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