Tire pressure detection device of two-wheeled electric vehicle

Abstract

The utility model relates to the technical field of tire pressure detection of two-wheeled electric vehicles, and discloses a tire pressure detection device of a two-wheeled electric vehicle, which comprises a detection seat, a first mounting cavity, a first gas transmission channel and a second mounting cavity which are communicated with one another are sequentially arranged on the detection seat from bottom to top, and the upper end of the detection seat is connected with an upper cover. A mounting space is formed between the upper cover and the upper end of the detection seat; in actual use, the tire pressure detection device is mounted on the air core on the two-wheeled electric vehicle, and transmits the air pressure in the tire to the pressure sensor on the PCB through the first, second and third air transmission channels and the pressure transmission channel, so that the tire pressure is accurately detected through the pressure sensor instead of being detected and judged in a visual inspection manner.

Description

Technical Field

[0001] The utility model relates to the technical field of tire pressure detection for two-wheeled electric vehicles, in particular to a tire pressure detection device for a two-wheeled electric vehicle. Background Art

[0002] For existing two-wheeled electric vehicles, the air pressure in the tires is sensed by visual inspection during actual use, that is, by judging whether the contact area between the tire surface and the ground increases. In actual use, this judgment method cannot detect abnormal tire pressure in time, which may cause related losses, such as:

[0003] If the tire pressure is too low, it will cause the electric vehicle's power loss to increase, wear the tires, reduce the tire's service life, and increase the wear of the electric vehicle's suspension system;

[0004] Or if the tire pressure is too high, it will increase the risk of tire blowout, which may easily cause cycling accidents and cause physical injuries to the rider. Utility Model Content

[0005] In view of the shortcomings of the background technology, the present invention provides a tire pressure detection device for a two-wheeled electric vehicle. The technical problem to be solved is that the tire pressure of the two-wheeled electric vehicle is currently judged by visual inspection.

[0006] To solve the above technical problems, the present invention provides the following technical solutions: a tire pressure detection device for a two-wheeled electric vehicle, comprising a detection seat, wherein the detection seat is provided with a first installation cavity, a first air transmission channel, and a second installation cavity that are connected in sequence from bottom to top; an upper cover is connected to the upper end of the detection seat, and an installation space is formed between the upper cover and the upper end of the detection seat;

[0007] A copper insert for contacting the air core of the two-wheeled electric vehicle is installed in the first installation cavity, and a mounting column is provided downward on the inner top surface of the copper insert. A silicone pad is provided on the mounting column, and a second air transmission channel corresponding to the first air transmission channel is opened on the mounting column;

[0008] The bottom surface of the second mounting cavity is provided with a mounting block, the top surface of the mounting block is inwardly mounted with a second silicone pad, the top of the second silicone pad is inwardly provided with a mounting groove, and the bottom surface of the mounting groove is inwardly provided with a third gas transmission channel connecting the mounting groove with the first gas transmission channel;

[0009] A PCB board is installed in the second installation cavity. The pressure transmission channel of the PCB board is located in the installation groove and is connected to the third gas transmission channel. The second silicone pad is used to seal and isolate the pressure transmission channel from the second installation cavity. A pressure sensor is provided on the PCB board at the upper channel opening of the pressure transmission channel.

[0010] In a certain embodiment, a sealing ring is provided between the inner side wall of the upper cover and the outer side wall of the upper end of the detection seat.

[0011] In a certain embodiment, a positioning post is provided on a side surface of the second installation cavity, a positioning hole matching the positioning post is provided on an outer wall of the PCB board, and the positioning post is located in the positioning hole.

[0012] In a certain embodiment, at least one fixing block is provided on the bottom surface of the second installation cavity, and the PCB board is fixed to the fixing block by screws.

[0013] In a certain embodiment, three fixing blocks are provided on the bottom surface of the second installation cavity, and the PCB board is fixed to the three fixing blocks by screws.

[0014] In a certain embodiment, the three fixing blocks are distributed in an equilateral triangle.

[0015] In a certain embodiment, an anti-loss part is hung on the lower end of the detection seat, and the anti-loss part includes a circular mounting portion, a curved connecting portion and a mounting head. The mounting portion is hung on the lower end of the detection seat and is connected to the mounting head through the connecting portion. A fixing groove is provided on the mounting head in a vertical direction and passes through the mounting head.

[0016] In a certain embodiment, a control unit is also provided on the PCB board, which is electrically connected to the pressure sensor, receives the pressure detection signal sent by the pressure sensor, and sends the pressure detection signal to the controller of the two-wheeled electric vehicle via Bluetooth. The controller controls the state display of the pressure indication unit on the dashboard of the two-wheeled electric vehicle based on the pressure detection signal.

[0017] In a certain embodiment, the present invention further includes a mobile phone terminal, the control unit sends the pressure detection signal to the mobile phone terminal via Bluetooth, and the mobile phone terminal is used to display the pressure detection signal.

[0018] In a certain embodiment, a battery for power supply is installed above the PCB board in the installation space.

[0019] Compared with the prior art, the present invention has the following beneficial effects: in actual use, the present invention is installed on the air core of the two-wheeled electric vehicle, and transmits the gas pressure in the tire to the pressure sensor on the PCB board through the first to third air transmission channels and the pressure transmission channel, thereby achieving accurate detection of tire pressure through the pressure sensor, rather than detection and evaluation by visual inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram of the utility model in the embodiment;

[0021] Figure 2 for Figure 1 Internal cross-section of

[0022] Figure 3 Schematic diagram of the structure of the detection base in the embodiment;

[0023] Figure 4 for Figure 3 Schematic diagram of the structure plus the PCB board;

[0024] Figure 5 is a circuit diagram of a control unit in an embodiment;

[0025] Figure 6 FIG. 4 is a circuit diagram of a pressure sensor in an embodiment. DETAILED DESCRIPTION

[0026] The present invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic diagrams that illustrate the basic structure of the present invention in a schematic manner.

[0027] like Figure 1-4 As shown, a tire pressure detection device for a two-wheeled electric vehicle includes a detection base 1. The detection base 1 is provided with a first installation cavity, a first air transmission channel 101, and a second installation cavity, which are connected from bottom to top. The upper end of the detection base 1 is connected to an upper cover 2, wherein the upper cover 2 and the detection base 1 are connected by threads, and an installation space 3 is formed between the upper cover 2 and the upper end of the detection base 1.

[0028] A copper insert 4 for contacting the air core of the two-wheeled electric vehicle is installed in the first installation cavity. The copper insert 4 is connected to the side of the first installation cavity by a thread. A mounting post 400 is provided downward on the inner top surface of the copper insert 4. A silicone pad 402 is provided on the mounting post 400. A second air transmission channel 401 is opened on the mounting post 400, corresponding to the first air transmission channel 101 above and below.

[0029] The bottom surface of the second mounting cavity is provided with a mounting block 5, the top surface of which is inwardly mounted with a second silicone pad 6. The top of the second silicone pad 6 is provided with a mounting groove 600, and the bottom surface of the mounting groove 600 is provided with a third gas transmission channel 601 connecting the mounting groove 600 with the first gas transmission channel 101.

[0030] A PCB board 7 is installed in the second installation cavity. The pressure transmission channel 702 of the PCB board 7 is located in the installation groove 600 and is connected to the third gas transmission channel 601. The second silicone pad 6 is used to seal and isolate the pressure transmission channel 702 from the second installation cavity. A pressure sensor is provided on the PCB board 7 at the upper channel opening of the pressure transmission channel 702.

[0031] It should be noted that although Figure 2 The first installation cavity and the second installation cavity are not marked, but the position of the first installation cavity can be known according to the position of the copper insert 4, and the position of the second installation cavity can be known according to the position of the installation block 5.

[0032] In addition, in this embodiment, the copper insert 4 and the mounting post 400 can be integrally formed.

[0033] In actual use, the utility model is installed on the air core of the two-wheeled electric vehicle, and transmits the gas pressure in the tire to the pressure sensor on the PCB board 7 through the first to third air transmission channels 601 and the pressure transmission channel 702. The pressure sensor is used to accurately detect the tire pressure instead of visual detection and judgment.

[0034] In this embodiment, in order to achieve the seal between the upper cover 2 and the detection seat 1 and ensure the accuracy of the pressure detection result, as shown in FIG. Figure 2 As shown, a sealing ring 9 is provided between the inner side wall of the upper cover 2 and the outer side wall of the upper end of the detection seat 1 .

[0035] In this embodiment, in order to facilitate the installation of the PCB board 7 and increase the production speed, as shown in FIG. Figure 3 and Figure 4 As shown, a positioning column 701 is provided on the side of the second installation cavity, and a positioning hole matching the positioning column 701 is provided on the outer wall of the PCB board 7, and the positioning column 701 is located in the positioning hole.

[0036] It should be noted that although Figure 3 and Figure 4 The positioning block is not marked, but the position of the positioning hole can be known based on the position of the positioning column 701.

[0037] In addition, in some embodiments, two positioning posts 701 may be provided on the side of the second installation cavity.

[0038] In this embodiment, the PCB board 7 is installed as follows:

[0039] At least one fixing block 700 is provided on the bottom surface of the second installation cavity, and the PCB board 7 is fixed on the fixing block 700 by screws.

[0040] More specifically, three fixing blocks 700 are provided on the bottom surface of the second mounting cavity, and the PCB board 7 is fixed on the three fixing blocks by screws. In addition, in order to increase the installation stability of the PCB board 7, the three fixing blocks 700 are distributed in an equilateral triangle.

[0041] Specifically, in this embodiment, Figure 1 As shown, an anti-loss part 8 is hung on the lower end of the detection seat 1. The anti-loss part 8 includes a circular mounting portion 800, a curved connecting portion 801 and a mounting head 802. The mounting portion 800 is hung on the lower end of the detection seat and is connected to the mounting head 802 through the connecting portion 801. A fixing groove 803 is provided on the mounting head 802 in the vertical direction and passes through the mounting head 802.

[0042] In this embodiment, the anti-loss component 8 is entirely made of silicone material.

[0043] In actual use, the mounting head 802 can be put on the air core of the two-wheeled electric vehicle to prevent the entire detection device from being lost.

[0044] In this embodiment, a control unit is also provided on the PCB board 7, which is electrically connected to the pressure sensor, receives the pressure detection signal sent by the pressure sensor, and sends the pressure detection signal to the controller of the two-wheeled electric vehicle via Bluetooth. The controller controls the state display of the pressure indication unit on the dashboard of the two-wheeled electric vehicle based on the pressure detection signal.

[0045] In actual use, the tire pressure condition can be known through the rotation display of the pressure indicator unit on the instrument panel of the electric vehicle.

[0046] In another embodiment, the circuit diagram of the control unit is as follows: Figure 5 As shown, it includes the RF chip U4 model ALK2010L. Figure 5 In the figure, the crystal oscillator chip U6 provides a 32MHz clock signal for the RF chip U4; the circuit of the pressure sensor is as follows Figure 6 As shown, it includes a pressure sensing chip U5 model AMP6100BR.

[0047] from Figure 5 and Figure 6 It can be seen that the pressure sensing chip U5 communicates with the RF chip U4 through the I2C bus and sends the pressure detection signal to the RF chip U4, specifically through the SCL pin and the SDA pin; the RF chip U4 communicates with the controller of the electric vehicle through serial communication and sends the pressure detection signal to the controller.

[0048] In addition, in this embodiment, the utility model also includes a mobile phone terminal, and the control unit sends the pressure detection signal to the mobile phone terminal via Bluetooth. The mobile phone terminal is used to display the pressure detection signal, wherein the mobile phone terminal is used to display the pressure detection signal, including whether the pressure is normal, whether a low pressure abnormality occurs, and whether a high pressure abnormality occurs.

[0049] In addition, in this embodiment, a power supply battery is installed above the PCB board 7 in the installation space 3. The power supply battery is used to power the control unit and the pressure sensor, and the detection base 1 and the upper cover 2 are connected by screws to facilitate battery replacement.

[0050] The above description is based on the present invention. Based on the above description, relevant personnel can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the content of the specification. Its technical scope must be determined according to the scope of the claims.

Claims

1. A tire pressure detection device for a two-wheeled electric vehicle, characterized in that: The invention comprises a detection seat (1), wherein the detection seat (1) is provided with a first installation cavity, a first gas transmission channel (101) and a second installation cavity which are connected in sequence from bottom to top; the upper end of the detection seat (1) is connected to an upper cover (2); and an installation space (3) is formed between the upper cover (2) and the upper end of the detection seat (1); A copper insert (4) for contacting the air core of the two-wheeled electric vehicle is installed in the first installation cavity, a mounting column (400) is provided downward on the inner top surface of the copper insert (4), a silicone pad (402) is provided on the mounting column (400), and a second air delivery channel (401) corresponding to the first air delivery channel (101) is opened on the mounting column (400); The bottom surface of the second mounting cavity is provided with a mounting block (5), the top surface of the mounting block (5) is provided with a second silicone pad (6) mounted inwardly, the top of the second silicone pad (6) is provided with a mounting groove (600) inwardly, and the bottom surface of the mounting groove (600) is provided with a third gas transmission channel (601) inwardly connecting the mounting groove (600) with the first gas transmission channel (101); A PCB board (7) is installed in the second installation cavity; a pressure transmission channel (702) of the PCB board (7) is located in the installation groove (600) and is communicated with the third gas transmission channel (601); the second silicone pad (6) is used to seal and isolate the pressure transmission channel (702) from the second installation cavity; and a pressure sensor is provided on the PCB board (7) at the upper channel opening of the pressure transmission channel (702).

2. The tire pressure detection device for a two-wheeled electric vehicle according to claim 1, characterized in that: A sealing ring (9) is provided between the inner side wall of the upper cover (2) and the outer side wall of the upper end of the detection seat (1).

3. The tire pressure detection device for a two-wheeled electric vehicle according to claim 1, characterized in that: A positioning column (701) is provided on the side of the second installation cavity, a positioning hole matching the positioning column (701) is provided on the outer wall of the PCB board (7), and the positioning column (701) is located in the positioning hole.

4. A tire pressure detection device for a two-wheeled electric vehicle according to claim 1 or 3, characterized in that: At least one fixing block (700) is provided on the bottom surface of the second installation cavity, and the PCB board (7) is fixed on the fixing block (700) by screws.

5. The tire pressure detection device for a two-wheeled electric vehicle according to claim 4, characterized in that: Three fixing blocks (700) are provided on the bottom surface of the second installation cavity, and the PCB board (7) is fixed on the three fixing blocks (700) by screws.

6. The tire pressure detection device for a two-wheeled electric vehicle according to claim 5, characterized in that: The three fixing blocks (700) are distributed in an equilateral triangle.

7. The tire pressure detection device for a two-wheeled electric vehicle according to claim 1, characterized in that: An anti-lost part (8) is hung on the lower end of the detection seat, and the anti-lost part (8) includes a circular mounting portion (800), a curved connecting portion (801) and a mounting head (802). The mounting portion (800) is hung on the lower end of the detection seat (1) and connected to the mounting head (802) through the connecting portion (801). The mounting head (802) is provided with a fixing groove (803) that passes through the mounting head (802) in a vertical direction.

8. The tire pressure detection device for a two-wheeled electric vehicle according to claim 1, characterized in that: The PCB board (7) is also provided with a control unit, which is electrically connected to the pressure sensor, receives a pressure detection signal sent by the pressure sensor, and sends the pressure detection signal to a controller of the two-wheeled electric vehicle via Bluetooth. The controller controls the state display of the pressure indication unit on the instrument panel of the two-wheeled electric vehicle based on the pressure detection signal.

9. The tire pressure detection device for a two-wheeled electric vehicle according to claim 8, characterized in that: It also includes a mobile phone terminal, and the control unit sends the pressure detection signal to the mobile phone terminal via Bluetooth, and the mobile phone terminal is used to display the pressure detection signal.

10. The tire pressure detection device for a two-wheeled electric vehicle according to claim 8, characterized in that: A battery for power supply is also installed above the PCB board (7) in the installation space (3).

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