CN217099539U - Intelligent hub of bicycle - Google Patents
Intelligent hub of bicycle Download PDFInfo
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- CN217099539U CN217099539U CN202220866145.XU CN202220866145U CN217099539U CN 217099539 U CN217099539 U CN 217099539U CN 202220866145 U CN202220866145 U CN 202220866145U CN 217099539 U CN217099539 U CN 217099539U
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- magnetic induction
- induction switch
- bicycle
- flower
- signal processing
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Abstract
The utility model relates to an intelligent hub for a bicycle, which comprises a hub shell, ratchet sleeve assemblies rotating on two sides of the hub shell, and an axle center fixed on the ratchet sleeve assemblies and penetrating in the hub shell, wherein a bracket is arranged in the hub shell, a speed sensing assembly is fixed on the bracket, and at least one magnet is arranged on the axle center; wherein, speed induction subassembly includes PCB, fixes power and a pair of magnetic induction switch on PCB, the signal processing mechanism of integration on PCB, the magnetic induction switch is connected signal processing mechanism's input, the power is the power supply of magnetic induction switch and signal processing mechanism. This bicycle intelligence flower-drum is with the built-in integration of response part inside the bicycle flower-drum, forms whole component with the flower-drum, under the prerequisite of not destroying the original appearance design of bicycle, eliminates the influence of mechanical structure, windage resistance performance that external sensor brought.
Description
Technical Field
The utility model relates to a bicycle accessory technical field, concretely relates to bicycle intelligence flower-drum.
Background
When the traditional bicycle measures speed, an external speed sensor needs to be installed, the external sensor not only destroys the original appearance design, the mechanical structure and the wind resistance performance of the bicycle, but also has the defects of infirm fixation, looseness, abnormal sound, easy loss and the like.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: eliminate the influence of external speedtransmitter of bicycle to the original design of bicycle, structure, performance, overcome that external speedtransmitter is fixed not firm, not hard up abnormal sound, lose defects such as easily, provide a bicycle intelligence flower-drum, it is built-in integrated inside the bicycle flower-drum with response part, forms the integral member with the flower-drum, under the prerequisite of not destroying the original appearance design of bicycle, eliminates the influence of mechanical structure, windage resistance performance that external sensor brought.
The intelligent hub of the bicycle comprises a hub shell, ratchet sleeve assemblies and an axle center, wherein the ratchet sleeve assemblies rotate on two sides of the hub shell, the axle center is fixed on the ratchet sleeve assemblies and penetrates into the hub shell, a support is arranged in the hub shell, a speed sensing assembly is fixed on the support, and at least one magnet is arranged on the axle center; the support is a hollow-out cubic support, the axis penetrates through the support, the speed sensing assembly is fixed on one side of the support, and the installation position of the magnet on the axis corresponds to the position of the speed sensing assembly.
The utility model discloses a signal processing mechanism, including PCB, the input of signal processing mechanism, the input is connected to the speed response subassembly, and the power is supplied power for magnetic induction switch and signal processing mechanism.
Furthermore, the installation position of the magnetic induction switch on the PCB corresponds to the installation position of the magnet on the axis.
The support takes place relative rotation along with flower-drum shell and axle center, and the magnetic field that two magnetic field inductive switch response magnets sent on the axle center changes, if magnetic induction switch's trigger magnetic field intensity is B, two magnetic induction switch's distance sets up the position that magnet triggered two magnetic induction switch simultaneously, and magnetic induction switch exports high level or low level according to the magnetic field intensity of sensing, and signal processing mechanism judges the flower-drum number of turns according to high low level to operation output bicycle speed.
In particular to a structure of a hub shell, the hub shell is provided with a groove window. For transmitting antenna signals and for charging the power supply.
The PCB signal processing mechanism comprises an operation processing unit, a wireless receiving and sending unit and a power management unit, wherein the input end of the operation processing unit is connected with the magnetic induction switch, the output end of the operation processing unit is connected with the wireless receiving and sending unit, and the power management unit supplies power for the magnetic induction switch, the operation processing unit and the wireless receiving and sending unit. The operation processing unit calculates the time for the hub to rotate for one circle by calculating the change of the magnetic field, calculates the bicycle speed according to the set radius of the wheel set, and sends the speed data to the terminal through the wireless receiving and sending unit. The power management unit processes the electric energy of the power supply into a power supply range required by the operation processing unit and the magnetic induction unit, so that the system works stably.
The device comprises an operation processing unit, a magnetic induction switch, a wireless transceiving unit and a crystal oscillator, wherein the operation processing unit comprises an MCU and the crystal oscillator, the magnetic induction switch is connected with the MCU through an input end pin, the wireless transceiving unit is connected with the MCU through a serial port pin, and the crystal oscillator is connected with the MCU through a peripheral circuit pin. The MCU is responsible for collecting data and calculating the rotating speed; the MCU depends on the accurate calculation time interval of high and low levels of the crystal oscillator.
As a type of specific magnetic induction switch selection, the magnetic induction switch adopts a single-pole non-latch type or a double-pole non-latch type magnetic induction switch. When the magnetic induction switch is of a single-pole non-latching type, when the induction magnetic field intensity of the magnetic induction switch is greater than B1, a high level is output, and when the induction magnetic field intensity is less than B2, a low level is output
As another specific magnetic induction switch option, the magnetic induction switch is a latch type magnetic induction switch, and the shaft center is provided with at least one pair of magnets.
The utility model relates to a bicycle intelligence flower-drum has eliminated the influence of the external speedtransmitter of bicycle to the original design of bicycle, structure, performance, overcomes fixed not jail, not hard up abnormal sound, the easy defect such as lose of external speedtransmitter, and it will respond to the built-in integration of part inside the bicycle flower-drum, forms overall member with the flower-drum, under the prerequisite of not destroying the original appearance design of bicycle, eliminates the influence of mechanical structure, windage resistance performance that external sensor brought.
Drawings
The utility model relates to a bicycle intelligence flower-drum does further explanation below with the accompanying drawing:
FIG. 1 is a schematic perspective plan view of the intelligent hub of the bicycle;
FIG. 2 is an exploded schematic view (left side view) of the structure of FIG. 1;
FIG. 3 is an exploded schematic view (right side view) of the structure of FIG. 1;
FIG. 4 is a side elevational view of the speed sensing assembly of the intelligent hub for a bicycle;
FIG. 5 is a cross-sectional view of the speed sensing assembly of the intelligent hub of the bicycle;
FIG. 6 is a block diagram of the logical structure connecting lines of the signal processing mechanism of the intelligent hub of the bicycle;
FIG. 7 is a forward magnetic induction phase diagram of the intelligent hub of the bicycle;
fig. 8 is a reverse magnetic induction phase diagram of the intelligent hub of the bicycle.
In the figure:
1-a hub shell, 2-a ratchet sleeve assembly, 3-an axis, 4-a bracket, 5-a speed induction assembly and 6-a magnet;
11-a slot window; 51-PCB, 52-power supply, 53-magnetic induction switch, 54-signal processing mechanism;
541-operation processing unit, 542-wireless receiving and sending unit, 543-power management unit.
Detailed Description
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it is to be understood that the terms "left", "right", "front", "back", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The technical solution of the present invention is further described below with specific examples, but the scope of the present invention is not limited to the following examples.
Embodiment 1: as shown in fig. 1 to 5, the intelligent hub of the bicycle comprises a hub shell 1, ratchet sleeve assemblies 2 rotating on two sides of the hub shell 1, and an axle center 3 fixed on the ratchet sleeve assemblies 2 and penetrating into the hub shell 1, wherein a support 4 is arranged in the hub shell 1, a speed sensing assembly 5 is fixed on the support 4, and at least one magnet 6 is arranged on the axle center 3; the support 4 is a hollow-out cubic frame, the axis 3 penetrates through the support 4, the speed sensing component 5 is fixed on one side of the support 4, and the installation position of the magnet 6 on the axis 3 corresponds to the position of the speed sensing component 5. Specifically to the logic structure and connection of speed sensing subassembly, speed sensing subassembly 5 includes PCB51, fixes power 52 and a pair of magnetic induction switch 53 on PCB51, integrated signal processing mechanism 54 on PCB51, magnetic induction switch 53 is connected the input of signal processing mechanism 54, power 52 is magnetic induction switch 53 and signal processing mechanism 54 power supply. Further, the installation position of the magnetic induction switch 53 on the PCB51 corresponds to the installation position of the magnet 6 on the shaft center 3. The support takes place relative rotation along with flower-drum shell and axle center, and the magnetic field that two magnetic field inductive switch response magnets sent on the axle center changes, if magnetic induction switch's trigger magnetic field intensity is B, two magnetic induction switch's distance sets up the position that magnet triggered two magnetic induction switch simultaneously, and magnetic induction switch exports high level or low level according to the magnetic field intensity of sensing, and signal processing mechanism judges the flower-drum number of turns according to high low level to operation output bicycle speed.
Embodiment 2: this bicycle intelligence flower-drum it has and is used for grooved window 11 to open on the flower-drum shell 1. For transmitting antenna signals and for charging the power supply. The remaining structure and components are as described in embodiment 1, and the description will not be repeated.
Embodiment 3: as shown in fig. 6, the signal processing mechanism 54 of the intelligent hub for bicycle comprises an operation processing unit 541, a wireless transceiver unit 542, and a power management unit 543, wherein an input end of the operation processing unit 541 is connected to the magnetic induction switch 53, an output end of the operation processing unit 541 is connected to the wireless transceiver unit 542, and the power management unit 543 supplies power to the magnetic induction switch 53, the operation processing unit 541, and the wireless transceiver unit 542. The operation processing unit calculates the time for the hub to rotate for one circle by calculating the change of the magnetic field, calculates the bicycle speed according to the set radius of the wheel set, and sends the speed data to the terminal through the wireless receiving and sending unit. The power management unit processes the electric energy of the power supply into a power supply range required by the operation processing unit and the magnetic induction unit, so that the system works stably. The operation processing unit 541 comprises an MCU and a crystal oscillator, the magnetic induction switch 53 is connected with the MCU through an input end pin, the wireless transceiver 542 is connected with the MCU through a serial port pin, and the crystal oscillator is connected with the MCU through a peripheral circuit pin. The MCU is responsible for collecting data and calculating the rotating speed; the MCU depends on the accurate calculation time interval of high and low levels of the crystal oscillator. The remaining structure and components are as described in embodiment 1, and the description will not be repeated.
Embodiment 4: the magnetic induction switch 53 of the intelligent hub of the bicycle adopts a single-pole non-latching type or a double-pole non-latching type magnetic induction switch. When the magnetic induction switch is of a single-pole non-latch type, a high level is output when the magnetic induction switch induction magnetic field strength is greater than B1, and a low level is output when the induction magnetic field strength is less than B2. The remaining structure and components are as described in embodiment 1, and the description will not be repeated.
Embodiment 5: this bicycle intelligence flower-drum magnetic induction switch 53 latches type magnetic induction switch, be equipped with at least a pair of magnet 6 on the axle center 3. The remaining structure and components are as described in embodiment 1, and the description will not be repeated.
And (3) running: the bicycle goes, the wheel drives flower-drum and support and can rotate around the axle center, magnetic induction switch outputs the high level when detecting magnet, output low level when can not detect magnet, because two magnetic induction switches have the interval, the time point that is triggered and releases is different, MCU can judge whether wheel and flower-drum are corotation or reversal according to the phase place of magnetic induction switch's output, the corotation phase place is as shown in figure 7, the reversal phase place is as shown in figure 8, MCU calculates the time that the wheelset changes the round according to single magnetic induction switch's ascending along interval or decline along the interval, and calculate the bicycle speed of a motor vehicle according to the wheelset radius that has set up, and data transmission module through wireless transceiver unit gives the terminal with speed data.
This bicycle intelligence flower-drum has eliminated the influence of bicycle external speedtransmitter to original design of bicycle, structure, performance, overcomes external speedtransmitter fixed not firm, not hard up abnormal sound, lose easily defect such as, and it is built-in integrated inside the bicycle flower-drum with the response part, forms integral member with the flower-drum, under the prerequisite of not destroying the original appearance design of bicycle, eliminates the influence of mechanical structure, windage resistance performance that external sensor brought.
The foregoing description illustrates the principal features, basic principles, and advantages of the invention. It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments or examples, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The above embodiments or examples are therefore to be considered in all respects as illustrative and not restrictive. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (8)
1. The utility model provides a bicycle intelligence flower-drum, includes flower-drum shell (1), rotates ratchet sleeve subassembly (2) in flower-drum shell (1) both sides, fixes on ratchet sleeve subassembly (2) and wears axle center (3) of adorning in flower-drum shell (1), characterized by: a support (4) is arranged in the hub shell (1), a speed sensing component (5) is fixed on the support (4), and at least one magnet (6) is arranged on the axis (3); wherein the content of the first and second substances,
the support (4) is a hollow cubic frame, the shaft center (3) penetrates through the support (4), the speed sensing component (5) is fixed on one side of the support (4), and the installation position of the magnet (6) on the shaft center (3) corresponds to the position of the speed sensing component (5).
2. The intelligent bicycle hub as in claim 1, wherein: speed sensing assembly (5) include PCB (51), fix power (52) and a pair of magnetic induction switch (53) on PCB (51), integrated signal processing mechanism (54) on PCB (51), magnetic induction switch (53) are connected the input of signal processing mechanism (54), power (52) are magnetic induction switch (53) and signal processing mechanism (54) power supply.
3. The intelligent bicycle hub as in claim 2, wherein: the installation position of the magnetic induction switch (53) on the PCB (51) corresponds to the installation position of the magnet (6) on the shaft center (3).
4. The intelligent bicycle hub as in claim 3, wherein: the flower-drum shell (1) is provided with a groove window (11).
5. The intelligent bicycle hub as in claim 4, wherein: the signal processing mechanism (54) comprises an operation processing unit (541), a wireless transceiver unit (542) and a power management unit (543), wherein the input end of the operation processing unit (541) is connected with the magnetic induction switch (53), the output end of the operation processing unit (541) is connected with the wireless transceiver unit (542), and the power management unit (543) supplies power for the magnetic induction switch (53), the operation processing unit (541) and the wireless transceiver unit (542).
6. The intelligent bicycle hub as in claim 5, wherein: the operation processing unit (541) comprises an MCU and a crystal oscillator, the magnetic induction switch (53) is connected with the MCU through an input end pin, the wireless transceiving unit (542) is connected with the MCU through a serial port pin, and the crystal oscillator is connected with the MCU through a peripheral circuit pin.
7. The intelligent bicycle hub as in claim 6, wherein: the magnetic induction switch (53) is a single-pole non-latch type or double-pole non-latch type magnetic induction switch.
8. The intelligent bicycle hub as in claim 6, wherein: the magnetic induction switch (53) adopts a latch type magnetic induction switch, and at least one pair of magnets (6) is arranged on the shaft center (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220866145.XU CN217099539U (en) | 2022-04-15 | 2022-04-15 | Intelligent hub of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220866145.XU CN217099539U (en) | 2022-04-15 | 2022-04-15 | Intelligent hub of bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217099539U true CN217099539U (en) | 2022-08-02 |
Family
ID=82582144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220866145.XU Active CN217099539U (en) | 2022-04-15 | 2022-04-15 | Intelligent hub of bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217099539U (en) |
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2022
- 2022-04-15 CN CN202220866145.XU patent/CN217099539U/en active Active
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