power pedal

Abstract

A power pedal comprising: an axle (1) having a first end (11), a second end (12), and a connecting portion (13) connected between the first end (11) and the second end (12), the first end (11) being used for connection to a bicycle crank, and the connecting portion (13) being provided with a strain sensor module (4); a pedal body (2) connected to the second end (12);and a power sensor (3) having a processing module (31) and a housing (32), wherein the processing module (31) is arranged on the outer peripheral wall of the connecting portion (13), wherein the processing module (31) comprises a processing unit (311) and a wireless transmission unit (312) which are electrically connected, wherein the processing unit (311) is further electrically connected to the strain sensor module (4), wherein the housing (32) is arranged on the connecting portion (13) and encloses the processing module (31), wherein the housing (32) is provided with a receiving recess (321), wherein the receiving recess (321) receives a replaceable battery (9), and wherein the battery (9) is electrically connected to the processing unit (311);wherein the battery (9) is a button battery, wherein a thickness direction of the battery (9) is perpendicular to an axial direction of the axis (1), and the processing module (31) comprises at least one circuit board (313), wherein the processing unit (311) and the wireless transmission unit (312) are arranged on the at least one circuit board (313), wherein the at least one circuit board (313) is arranged adjacent to and around the axis (1) and a thickness direction of the at least one circuit board (313) is perpendicular to the axial direction of the axis (1);

Claims

[1] Power pedal, with an axle (1) having a first end (11), a second end (12) and a connecting portion (13) connected between the first end (11) and the second end (12), wherein the first end (11) is used for connection to a bicycle crank, and wherein the connecting portion (13) is provided with a strain sensor module (4); a pedal body (2) connected to the second end (12); and a power sensor (3) having a processing module (31) and a housing (32), wherein the processing module (31) is arranged on the outer peripheral wall of the connecting portion (13), wherein the processing module (31) comprises a processing unit (311) and a wireless transmission unit (312) which are electrically connected, wherein the processing unit (311) is further electrically connected to the strain sensor module (4), wherein the housing (32) is arranged on the connecting portion (13) and encloses the processing module (31), wherein the housing (32) is provided with a receiving recess (321), wherein the receiving recess (321) receives a replaceable battery (9), and wherein the battery (9) is electrically connected to the processing unit (311); wherein the battery (9) is a button battery, wherein a thickness direction of the battery (9) is perpendicular to an axial direction of the axis (1), and the processing module (31) comprises at least one circuit board (313), wherein the processing unit (311) and the wireless transmission unit (312) are arranged on the at least one circuit board (313), wherein the at least one circuit board (313) is arranged adjacent to and around the axis (1) and a thickness direction of the at least one circuit board (313) is perpendicular to the axial direction of the axis (1). [2] Power pedal according to claim 1, characterized by in that the number of at least one printed circuit board (313) is a plurality, wherein a ribbon cable (314) is connected between two adjacent printed circuit boards (313), wherein the printed circuit boards (313) surround the connecting section (13), and wherein the extension planes of the printed circuit boards (313) are parallel to the extension direction of the axis (1). [3] Power pedal according to claim 2, characterized by that one of the circuit boards (313) is electrically connected to the battery (9) and one of the circuit boards (313) is electrically connected to the strain sensor module (4). [4] Power pedal according to claim 1, characterized by that the housing (32) is annular and has a cavity (322), wherein the processing module (31) and the connecting section (13) are accommodated in the cavity (322). [5] Power pedal according to claim 1, characterized by that a receiving recess (321) is formed on the outer peripheral wall of the housing (32), wherein the receiving recess (321) is provided with a removable cover (323). [6] Power pedal according to claim 1, characterized bythat the first end (11) is provided with an external thread (111), wherein the external thread (111) serves for screwing to the bicycle crank, wherein between the connecting portion (13) and the first end (11) a flange (14) projects radially from the axis (1), and wherein one end of the housing (32) abuts radially against the flange (14). [7] Power pedal according to claim 6, characterized by that the end of the housing (32) facing away from the first end (11) has a tapered portion (324), wherein the pedal body is provided with an axle hole (21), wherein the pedal body is rotatably inserted through the axle hole (21) to the second end (12), and wherein the tapered portion (324) is inserted into the axle hole (21). [8] Power pedal according to claim 7, characterized bythat an annular groove (325) is provided on the outer peripheral wall of the tapered portion (324), wherein a locking ring (15) is arranged in the annular groove (325), wherein the locking ring (15) blocks the hole edge of the axle hole (21). [9] Power pedal according to claim 3, characterized bythat the housing (32) is annular and has a cavity (322), wherein the processing module (31) and the connecting section (13) are received in the cavity (322); that a receiving recess (321) is formed on the outer peripheral wall of the housing (32), wherein the receiving recess (321) is provided with a removable cover (323), and wherein the first end (11) is provided with an external thread (111), wherein the external thread (111) serves for screwing to the bicycle crank, wherein between the connecting section (13) and the first end (11) a flange (14) projects radially from the axis (1), and wherein one end of the housing (32) abuts radially against the flange (14);that the end of the housing (32) facing away from the first end (11) has a tapered section (324), wherein the pedal body is provided with an axle hole (21), wherein the pedal body is rotatably inserted through the axle hole (21) to the second end (12), and wherein the tapered section (324) is inserted into the axle hole (21); that an annular groove (325) is provided on the outer peripheral wall of the tapered section (324), wherein a locking ring (15) is arranged in the annular groove (325), wherein the locking ring (15) blocks the edge of the axle hole (21); that a colloid (16) is filled into the housing (32), wherein the colloid (16) fixes the processing module (31) to the axle (1); and that the strain sensor module (4) comprises a plurality of strain sensors (41), wherein the strain sensors (41) are arranged on the connecting section (13);

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