TWI768242B - A device for measuring the strength of sports equipment - Google Patents

Abstract

The present invention provides a device for measuring the strength of sports equipment, which mainly connects a measuring body with a sports equipment. When the deformation amount is generated, the deformation path of the measuring body will be from a first connecting portion to at least one stress guiding portion, and then the stress guiding edges on both sides of the stress guiding portion will guide the stress to at least one stress guiding portion. On the measuring part, after that, at least one measuring device can measure the deformation of the measuring body to generate a measuring signal, and then provide a sensing module to generate a force according to each measuring signal The signal reflects the work done by the user on the sports equipment, thereby providing a force measuring device with strong structure and large deformation.

Description

A device for measuring the strength of sports equipment

The present invention provides a device for measuring the strength of sports equipment, especially a stress guiding part, a measuring part and a measuring device, so as to provide a measuring body with strong structure and large variation of deformation. By connecting a sports equipment, the sports equipment strength measuring device can accurately reflect the work done by the user on the sports equipment.

In order to maintain a healthy body or lose weight due to obesity, modern people often adjust their physiological functions through appropriate exercise to meet their health needs. Among them, various sports equipment in the gym can not only improve cardiopulmonary function, but also It also has a good effect on the muscle training of various parts, so the fitness industry is quite popular and welcomed by those who like sports.

When the user uses traditional sports equipment for gravity training, the force of pulling or lifting is mainly based on indirect reference to the weight of the counterweight on the sports equipment, or, for traditional rowing machines or other sports equipment, the torque can only be measured by Data from its generator or brake resistance system is converted indirectly.

The above example shows that, whether it is gravity training or rowing machine and other sports equipment, the torque data is simply indirectly based on the weight of the counterweight, or indirectly calculated from the resistance data of the sports equipment, rather than the actual exercise of the user. work done.

Since the damping of the sports equipment is not completely consumed by the user during operation In addition, some of the work done by the user on the sports equipment is virtual work, so the weight of the weight or the indirect conversion data lacks reference value.

In this way, how to accurately measure the work done by the user on the sports equipment is a problem that needs to be improved in the current technology. In view of this, the inventor of the present invention is eager to improve and innovate, and after years of painstaking efforts and concentrated research Finally, the strength measurement device for this piece of sports equipment has been successfully developed to improve various shortcomings derived from conventional techniques.

In order to solve the problems disclosed above, one object of the present invention is to provide a device for measuring the strength of sports equipment, which is connected with a sports equipment through a measuring body, so that when the measuring body generates a deformation amount, the amount The deformation path of the measuring body will be from a first connecting part to at least one stress guiding part, and then the stress guiding edges on both sides of the stress guiding part will guide the stress to the at least one measuring part, so as to use A measuring device can measure the deformation of the measuring body to generate a measuring signal, and then a sensing module can generate a force signal according to each measuring signal, reflecting the user's movement in the sports equipment The work done on the equipment can provide a force measuring device with strong structure and large deformation.

In order to achieve the above purpose, the present invention provides a device for measuring the strength of sports equipment, which comprises: a measuring body, one end of the measuring body is provided with a first connecting part, and the other end of the measuring body is provided with a second connecting part part, wherein the first connecting part and the second connecting part are connected with a sports equipment; at least one measuring part, the measuring part is arranged on one side of the measuring body, and the inside of the measuring part is at least one first measuring device; at least one stress guiding part, the stress guiding part is arranged on any side of the measuring body, and is located between the measuring part and the first connecting part; a sensing module, the sensing module connected with the first measuring device, the sensing module generates a force signal according to the deformation of the measuring body sensed by the first measuring device, so as to be arranged on the sensing module A data transmission module on the group will transmit the force signal to the outside according to the force signal.

Preferably, when the measurement part has four measurement parts, each of the measurement parts is: a first measurement part, the first measurement part is arranged on a side surface of the measurement body, The first measuring device is arranged inside the first measuring part; a second measuring part is arranged on a side surface of the measuring body, and is located at the side of the first measuring part. On the adjacent part of the periphery, at least one second measuring device is arranged inside the second measuring part; a third measuring part is arranged on the other side of the measuring body, the first measuring part is Inside the three measuring parts are at least one third measuring device; a fourth measuring part, the fourth measuring part is arranged on a side surface of the measuring body and is located at the periphery of the third measuring part On the adjacent part, at least one fourth measuring device is arranged inside the fourth measuring part.

Preferably, the sensing module is connected with the second measuring device, the third measuring device and the fourth measuring device, and the sensing module is based on the first measuring device, the second measuring device After the deformation of the measuring body sensed by the measuring device, the third measuring device and the fourth measuring device, the force signal is generated.

Preferably, the sensing module includes: a sensing circuit connected to the first measuring device, the second measuring device, the third measuring device and the fourth measuring device to receive the first measuring device, the second measuring device A measuring device, the third measuring device and the fourth measuring device measure a measurement signal generated by the deformation of the measuring body; a processing module, which is connected with the sensing circuit and a data transmission module connected to generate the force-bearing signal according to each of the measurement signals; and the data transmission module, which transmits the force-bearing force signal generated according to each of the measurement signals to the outside, wherein the data transmission module It is a wired data transmission module or a wireless data transmission module.

Preferably, the measurement system is connected to the first connection part, the second connection part, the first measurement part, the second measurement part, the third measurement part, the fourth measurement part and the The stress guiding portion is integrally formed.

Preferably, the measuring system is made of a metal material that changes stress when subjected to tensile force.

Preferably, the measuring system is integrally formed with the first connecting part, the second connecting part, the measuring part and the stress guiding part.

Preferably, the stress guiding portion is formed of a hollow stress guiding portion in a stress guiding edge with narrow edges on both sides.

Preferably, the measuring body is further provided with an accelerometer, the accelerometer generates an acceleration signal according to the movement state of the measuring body, and the sensing module is connected with the accelerometer to receive the acceleration signal, Calculate the movement speed of the measuring body.

Preferably, the sensing module includes: a sensing circuit, connected with the first measuring device, to receive a measuring signal generated by the first measuring device measuring the deformation of the measuring body; a processing module, which is connected with the sensing The measuring circuit and the data transmission module are connected to generate the force-bearing force signal according to each of the measurement signals; and the data transmission module transmits the force-bearing force signal generated according to each of the measurement signals to the outside , wherein the data transmission module is a wired data transmission module or a wireless data transmission module.

Preferably, the sensing module further comprises: an amplifier connected with the sensing circuit to amplify the output voltage of each measurement signal; an analog/digital converter connected with the amplifier and the processing The modules are connected to convert the measurement signals of the analog type into the measurement signals of the digital type, and transmit the measurement signals of the digital type to the processing module; a power module to provide The sensing circuit, the amplifier, the analog/digital converter, the processing module and the data transmission module work power supply.

Preferably, the data transmission module utilizes one of Bluetooth, Actor-Network Theory (ANT), Wi-Fi, LoRa (Long Rang) or Zigbee ( ZigBee) to transmit a force signal generated according to each measurement signal to the outside.

Preferably, the stress guiding portion is formed by one or more cavities to guide the stress on the first connecting portion.

10‧‧‧Measuring body

11‧‧‧First connection part

111‧‧‧Connection groove

12‧‧‧Second connection

121‧‧‧Inward rounding

122‧‧‧Connection groove

20‧‧‧Stress guide

21‧‧‧Stress guiding edge

31‧‧‧First Measurement Department

32‧‧‧Second Measuring Section

33‧‧‧The third measurement section

34‧‧‧The Fourth Measurement Section

40‧‧‧Stretching structure

51‧‧‧First Measuring Device

52‧‧‧Second measuring device

53‧‧‧Third measuring device

54‧‧‧Fourth Measuring Device

55‧‧‧Measurement signal

60‧‧‧Sensing Module

61‧‧‧Strength signal

62‧‧‧Sensing circuit

63‧‧‧Processing module

64‧‧‧Data transmission module

65‧‧‧Amplifier

66‧‧‧Analog/Digital Converters

67‧‧‧Power Module

70‧‧‧Receiver

80‧‧‧Acceleration

81‧‧‧Acceleration signal

DR‧‧‧Deformation Path

VG‧‧‧output voltage

Fig. 1 is a perspective view of the present invention; Fig. 2 is a cross-sectional view of the measuring portion of the measuring body of the present invention; Fig. 3 is a cross-sectional view of the connecting portion and the stress guiding portion of the measuring body of the present invention; Fig. 5 is a schematic diagram of the use state of the measurement body of the present invention; Fig. 6 is a schematic diagram of the deformation path of the measurement body of the present invention; Fig. 7 is a schematic diagram of the measurement body of the present invention Figure 8 is a schematic diagram of the circuit block diagram of the present invention; Figure 9 is a schematic diagram of the circuit diagram of the Wyeth bridge of the present invention; Figure 10 is a schematic diagram of the connection block diagram of the accelerometer of the present invention.

Specific embodiments will be described below to illustrate the implementation of the present invention, but are not intended to limit the scope of protection of the present invention.

Please refer to FIG. 1 to FIG. 4 , which illustrate a perspective view of the present invention, a cross-sectional view of the measuring portion of the measuring body, a cross-sectional view of the connecting portion and the stress guiding portion of the measuring body, and a schematic diagram of the installation position of the measuring device. As shown in the figure, a measuring body 10 is mainly provided with a first connecting portion 11 , a second connecting portion 12 , at least one stress guiding portion 20 , a first measuring portion 31 , and a second measuring portion 32 , a third measuring part 33 and a fourth measuring part 34, the measuring body 10 is connected with the first connecting part 11, the second connecting part 12, the first measuring part 31, the second measuring part The measuring part 32 , the third measuring part 33 , the fourth measuring part 34 and the stress guiding part 20 are integrally formed, wherein the measuring body 10 is subjected to a tensile force, and the stress will change. Made of metal material, the first connecting portion 11 is arranged on one end of the measuring body 10 , and the second connecting portion 12 is arranged on the other end of the measuring body 10 . The first connecting portion 11 is a square bump with an inward connecting groove 111 on the square bump, and the second connecting portion 12 is a rectangular bump with inwardly rounded corners 121 on both sides. , and an inward connecting groove 122 is provided on the rectangular bump, so that the shape of the measuring body 10 is shaped like an arrow. Therefore, when a sports equipment is connected with the first connecting portion 11 and the second connecting portion 12, a pulling structure 40 on the sports equipment will be connected with each of the inward connecting grooves (111, 122) is connected, and when the user pulls, lifts, or performs other force-applying actions, the measuring body 10 can be deformed to perform related measuring actions. Wherein, the stress guiding portion 20 is formed by one or more cavities to guide the stress on the first connecting portion 11 .

The first, second, third and fourth measuring parts ( 31 - 34 ) are specifically a circular hole-shaped groove, wherein the first measuring part 31 is arranged on the periphery of the second measuring part 32 The specific setting position is that the first measuring part 31 is set at a position parallel to the second measuring part 32 and adjacent to the second connecting part 12; the second measuring part 31 The setting position of the part 32 is also set at a position adjacent to the second connecting part 12; the setting position of the third measuring part 33 is opposite to the first measuring part 31, and is located at the first measuring part 31. The measuring portion 31 is arranged on the opposite side of one side of the measuring body 10 , (for example, when the first measuring portion 31 is arranged on one side of the measuring body 10 , the third measuring portion 33 is arranged on one side of the measuring body 10 . The other side of the measuring body 10); the setting position of the fourth measuring part 34 is opposite to the second measuring part 32, and the second measuring part 32 is located on the measuring body 10 on one side on the opposite side.

In addition, each of the first, second, third and fourth measuring parts (31-34) is provided with at least one measuring device (51-54), and for the convenience of description, the first measuring part is The measuring device set in 31 is defined as the first measuring device 51, and the measuring device set in the second measuring part 32 is defined as the first measuring device 51. It is defined as the second measuring device 52 , the measuring device set in the third measuring part 33 is defined as the third measuring device 53 , and the measuring device set in the fourth measuring part 34 is defined as the fourth measuring device 53 . The measuring device 54 and the like, and the installation position of each measuring device (51-54) can be set at the central position in each of the measuring parts (31-34), or at a position adjacent to the center.

However, the number of the above-mentioned measuring parts can be changed according to different requirements. For example, the present invention can also provide the first measuring part 31 and the second measuring part 32 only on one side of the measuring body 10 , and disposing the first measuring device 51 and the second measuring device 52 in the first measuring part 31 and the second measuring part 32 can also achieve the same effect as the present invention.

The stress guiding portion 20 is disposed on any side surface of the measuring body 10 and is located between each of the measuring portions ( 31 - 34 ) and the first connecting portion 11 , wherein the stress guiding portion 20 is specifically It is composed of an elliptical, circular or rectangular hollow stress-guiding portion in one of the shapes of a stress-guiding edge 21 with narrow sides on both sides.

Please refer to FIG. 5 and FIG. 6 again, which are schematic diagrams of the use state of the measuring body of the present invention, and a schematic diagram of the deformation path of the measuring body. As shown in the figure, when the user uses the sports equipment to pull, lift or perform other force-applying actions, the measuring body 10 will be subjected to the force exerted by the user to generate a deformation amount. When the main body 10 is deformed, its deformation path DR will first go from the first connecting portion 11 above to the stress guiding portion 20 below, and pass through the stress guiding portion of the narrow sides on both sides of the stress guiding portion 20 The edge strip 21 guides the stress to the first, second, third and fourth measuring parts (31-34) below, and finally to the second connecting part 12 at the bottom. In this way, when the measuring When the deformation of the main body 10 is generated, the first, second, third and fourth measuring devices (51-54) arranged in the first, second, third and fourth measuring parts (31-34) ) can measure what the deformation of the measuring body 10 is, so as to generate a measurement signal respectively. In this way, the present invention can provide a structure This measurement body has strong structure and large deformation.

Please refer to FIG. 7 to FIG. 9 , which illustrate a schematic diagram of a connection block between the measurement body and the sensing module, a schematic block diagram of a circuit, and a schematic circuit diagram of a Wyeth bridge of the present invention. As shown in the figure, the sensing module 60 is connected with the first measuring device 51 , the second measuring device 52 , the third measuring device 53 and the fourth measuring device 54 . Each measurement signal 55 generated by the deformation amount of the measurement body 10 sensed by the first measurement device 51 , the second measurement device 52 , the third measurement device 53 and the fourth measurement device 54 , to generate a force signal 61 .

Specifically, the sensing module 60 at least includes a sensing circuit 62 , a processing module 63 and a data transmission module 64 , wherein the sensing circuit 62 is connected to the first measuring device 51 , the second measuring device 51 and the second measuring device 51 . The measuring device 52 , the third measuring device 53 and the fourth measuring device 54 are connected to receive the first measuring device 51 , the second measuring device 52 , the third measuring device 53 and the The fourth measurement device 54 measures a measurement signal 55 generated by the deformation of the measurement body 10 , and then the processing module 60 receives each measurement signal 55 to be based on each measurement signal 55 Perform an arithmetic process to generate the force-bearing force signal 61, and the data transmission module 64 is used to transmit the force-bearing force signal 61 to the outside through a receiving device 70 (such as an electronic instrument of sports equipment or The intelligent mobile device, etc.) receives the force signal 61, and further displays or further uses the force information. The data transmission module 64 utilizes one of Bluetooth, Actor-Network Theory (ANT), Wi-Fi, LoRa (Long Rang) or ZigBee. , so as to transmit the force signal 61 generated according to each measurement signal 55 to the outside.

In addition, the sensing module 60 further includes an amplifier 65, which is connected to the sensing circuit 62 to amplify the output voltage VG of each of the measurement signals 55; an analog/digital converter 66, which is connected to the amplifier 65 and the processing module 63 to convert the measurement signals 55 of the analog type into the measurement signals 55 of the digital type, and to convert the measurement signals 55 of the digital type The signal 55 is transmitted to the processing module 63; and a power module 67 to provide the sensing circuit 62, the amplifier 65, the analog/digital converter 66, the processing module 63 and the data transmission module 64 to work power supply.

The sensing circuit 63 may be formed by a Wheatstone bridge. It should be noted that the Wheatstone bridge is a conventional bridge circuit. The first to fourth measuring devices (51-54) ) are respectively connected to the bridge circuits to generate the output voltage VG as the measurement signal 55 according to the resistance value change of each of the measurement devices (51-54), and the amplifier 65 receives the output voltage VG to provide Operation is performed on the subsequent analog/digital converter 66 and the processing module 63 . In other embodiments of the Wyeth bridge, one measuring device 51 and three resistor elements (Resistors) can be respectively connected to the bridge circuit, or two measuring devices (51, 52) and two resistors can be connected. The resistor elements are respectively connected to the bridge circuit, or a measuring device and three resistor elements are respectively connected to the bridge circuit, which is not limited in the present invention.

Please refer to FIG. 10 again, which shows a schematic diagram of the connection block of the accelerometer of the present invention. As shown in the figure, an accelerometer 80 may be further provided on the measuring body 10, and the sensing module 60 is connected with the accelerometer 80, wherein the setting position of the accelerometer 80 is not limited, and only needs to be It can be connected with the measuring body 10, and when the user performs actions such as pulling or lifting, not only will the measuring body 10 be deformed, but also the position of the measuring body 10 will be moved. The accelerometer 80 on the measuring body 10 can generate an acceleration signal 81 according to the moving state of the measuring body 10 , and then the sensing module 60 is used to receive the acceleration signal 81 to calculate the acceleration signal 81 of the measuring body 10 . The movement speed is provided, and the user can assist in judging the movement of the user according to the acceleration signal 81. moving state.

Therefore, through the measuring body 10 with strong structure and large deformation, the measuring devices ( 51 - 54 ) can be effectively provided for measuring, so as to provide accurate force information.

The above detailed description is a specific description of a feasible embodiment of the present invention, but this embodiment is not intended to limit the patent scope of the present invention. Any equivalent implementation or modification that does not depart from the technical spirit of the present invention shall include within the scope of the patent in this case.

10‧‧‧Measuring body

11‧‧‧First connection part

12‧‧‧Second connection

121‧‧‧Inward rounding

122‧‧‧Connection groove

20‧‧‧Stress guide

21‧‧‧Stress guiding edge

31‧‧‧First Measurement Department

32‧‧‧Second Measuring Section

Claims (12)

A strength measurement device for sports equipment, comprising: a measurement body, the shape of the measurement body is shaped like an arrow, one end of the measurement body is provided with a first connecting part, and the other end of the measurement body is provided with a The second connecting part, wherein the first connecting part and the second connecting part are connected with a sports equipment, the measuring body is provided with an accelerometer, and the accelerometer generates an acceleration according to the moving state of the measuring body a signal, the sensing module is connected with the accelerometer to receive the acceleration signal and calculate the movement speed of the measuring body; at least one measuring part, the measuring part is arranged on one side of the measuring body, At least one first measuring device is arranged inside the measuring part; at least one stress guiding part is arranged on either side of the measuring body and is located between the measuring part and the first connection between the parts; a sensing module, the sensing module is connected with the first measuring device, and the sensing module generates a deformation value of the measuring body according to the amount of deformation of the measuring body sensed by the first measuring device A force force signal is transmitted to the outside according to the force force signal through a data transmission module arranged on the sensing module. The device for measuring the strength of sports equipment according to item 1 of the scope of the application, wherein when the measuring part has four such measuring parts, each of the measuring parts is: a first measuring part, the A first measuring part is arranged on a side surface of the measuring body, and the first measuring device is arranged inside the first measuring part; a second measuring part is arranged in the measuring part On one side of the body, and is located adjacent to the periphery of the first measuring part, at least one second measuring device is arranged inside the second measuring part; a third measuring part, the third measuring part The measuring part is arranged on the other side of the measuring body, and at least one third measuring device is arranged inside the third measuring part; a fourth measuring part, the fourth measuring part is arranged on a side surface of the measuring body, and is located adjacent to the periphery of the third measuring part, the fourth measuring part is internally provided with at least a fourth measuring device. The device for measuring the strength of sports equipment as described in item 2 of the scope of application, wherein the sensing module is connected with the second measuring device, the third measuring device and the fourth measuring device, the The sensing module generates the force according to the deformation of the measuring body sensed by the first measuring device, the second measuring device, the third measuring device and the fourth measuring device Strength signal. The device for measuring the strength of sports equipment as described in claim 3, wherein the sensing module comprises: a sensing circuit, which is connected with the first measuring device, the second measuring device, and the first measuring device. The three measuring devices and the fourth measuring device are connected to receive the measurement of the measuring body by the first measuring device, the second measuring device, the third measuring device and the fourth measuring device. a measurement signal generated by the deformation; a processing module connected with the sensing circuit and a data transmission module to generate the force force signal according to the measurement signals; and the data transmission module , which transmits the force signal generated according to each measurement signal to the outside, wherein the data transmission module is a wired data transmission module or a wireless data transmission module. The device for measuring the strength of sports equipment as described in item 2 of the scope of the application, wherein the measuring system is connected to the first connecting part, the second connecting part, the first measuring part, and the second measuring part The part, the third measuring part, the fourth measuring part and the stress guiding part are integrally formed. The device for measuring the strength of sports equipment as described in item 1 of the scope of the patent application, wherein the measuring system is made of a metal material that produces stress changes when subjected to tensile force. The device for measuring the strength of sports equipment as described in claim 1, wherein the measuring system is integrated with the first connecting part, the second connecting part, the measuring part and the stress guiding part take shape. The device for measuring the strength of sports equipment according to claim 1, wherein the stress guiding portion is formed by a stress guiding side bar with narrow edges on both sides and a hollow stress guiding portion. The device for measuring the strength of sports equipment according to claim 1, wherein the sensing module comprises: a sensing circuit, which is connected to the first measuring device to receive the first measurement The device measures a measurement signal generated by the deformation of the measurement body; a processing module is connected with the sensing circuit and the data transmission module to generate the force signal according to the measurement signal ; and the data transmission module, which transmits the force signal generated according to each measurement signal to the outside, wherein the data transmission module is a wired data transmission module or a wireless data transmission module. The strength measurement device for sports equipment as described in claim 4 or 9, wherein the sensing module further comprises: an amplifier connected to the sensing circuit to amplify the output voltage of the measurement signal ; an analog/digital converter connected to the amplifier and to the processing module for converting the measurement signal in analog form to the measurement signal in digital form, and converting the measurement signal in digital form It is transmitted to the processing module; a power module is used to provide the sensing circuit, the amplifier, the analog/digital converter, the processing module and the data transmission module working power. The device for measuring the strength of sports equipment according to claim 4 or claim 9, wherein the data transmission module uses one of Bluetooth (Bluetooth), Actor-Network Theory (ANT) , wireless hotspot (Wi-Fi), LoRa (Long Rang) or ZigBee (ZigBee) to transmit a force signal generated according to the measurement signal to the outside. The strength measuring device for sports equipment as described in claim 1, wherein the stress guiding portion is formed by one or more cavities to guide the stress on the first connecting portion.

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