TWI564547B - Position displacement sensing device - Google Patents

Description

Position displacement sensing device

The invention belongs to the field of displacement measurement, in particular to a position displacement sensing device which utilizes gravity, naturally obtains a displacement signal, and then provides a user displacement distance for reference.

There are many methods for measuring the displacement distance of an object. From the step-by-step measurement with a ruler to the use of satellite positioning, laser measurement and other techniques, the means to effectively indicate the displacement distance are all available technologies. .

For accurate measurement, from complex mechanical transmission structures to sophisticated electronic instruments, there are so many products available on the market that offer users a wide range of options.

However, the precise and complicated structure means that it is expensive, difficult to maintain, and even consumes energy. Therefore, it is used in special applications rather than the average person.

The inventor of the present invention has long studied the manufacture and improvement of sports equipment, and in order to obtain the user's exercise data, it can provide suggestions for the user's fitness and physical fitness, so the measurement technology is highly valued. However, as mentioned above, the traditional precision measurement products have higher acquisition costs and are not suitable for general sports equipment, but it is necessary to find another method.

After studying various techniques, the inventors of the present invention found that using gravity to measure displacement is a very effective and excellent technique. Everyone knows that gravity is a natural phenomenon that exists in general. The concrete manifestation is that all objects on the earth will be affected by gravity and fall. Moreover, without being disturbed by other forces, all objects move vertically in the direction of the center of the earth, with no exceptions.

To this end, the inventors considered using gravity to measure the displacement to reduce the complexity of the product, but can also take into account the accuracy of the displacement measurement. In theory, it should be a achievable technology.

Through the inventor's careful conception and research, combined with the long-term technology and experience in the industry, after long-term research and development and implementation, the position displacement sensing device can be completed.

SUMMARY OF THE INVENTION A primary object of the present invention is to provide a position displacement sensing device that utilizes the natural law of gravity to obtain an accurate displacement signal in a compact configuration to meet the needs of the user.

Another object of the present invention is to provide a position displacement sensing device which is an independent individual and can be used in combination with other devices, for example, on a sports equipment, and can obtain a motion related signal of the user by displacement change, thereby adjusting and strengthening. The physical fitness of the user.

A further object of the present invention is to provide a position displacement sensing device, which has unlimited development potential. With the gradual updating of hardware and software, the function of the present invention will rapidly grow, and besides the humming sound, it can also be applied to the elimination of other specific sounds. The function will be far away.

The technical principle of the present invention lies in the use of gravity as the basis of displacement, and then With the relative movement, the required displacement signal is obtained, and the precise displacement distance is calculated.

The position displacement sensing device of the present invention mainly comprises a base, a Palin, a weight and an indicator, a sensor, etc., the base provides a receiving space for accommodating other units, and the Palin device The pedestal is used for pivoting the weight and the index to obtain a relative distance, the weight and the index are arranged around the Palin to be rotatable, and the weight and the index are at a fixed angle to each other. The weight is gravity-carrying and forcibly sag, the weight is connected to the index and displaced relative to the base, and the sensor is fixed on the base, so that the sensor measures the indicator The displacement distance relative to the base.

With the above structure, the base device is placed on the sports equipment, the weight is naturally drooped by the gravity of the gravity, and then the target is connected by the weight to maintain a fixed angle. When the user needs, the position of the base is adjusted to make the base and the index form a relative motion, and then the change of the relative position is measured by the sensor, so that the actual displacement distance can be measured, and then the calculation can be used. The amount of exercise or physical energy consumed provides a reference for the user's fitness.

The measuring method of the sensor is quite diverse. For example, the sensor can be a light sensing component, and the light intensity is measured by using the light to illuminate the indicator and receiving the reflected signal, and the light intensity varies with the pedestal and the pedestal. The distance of the indicator changes, and the displacement distance of the index with respect to the pedestal is obtained by calculating the change in the light intensity. In order to achieve accurate measurement, a reflective layer can be installed on the indicator to enhance the effect of light reflection.

Alternatively, the sensor may be another type of light sensing component, which is provided with a barcode on the indicator, and the light bar is used to illuminate the barcode or the non-barcode area. When the barcode area is illuminated, the light is blocked by the barcode and can be read. The signal is taken as 0. Conversely, when the non-barcode area is illuminated, the light is transmitted to obtain a read signal of 1, and a series of 0 or 1 binary sensing signals are used to calculate the sense. The displacement distance of the indicator relative to the base is obtained by the signal.

In addition, the sensor is a variable resistor, and the end of the index is connected to the handle of the variable resistor, and the index is used to drive the handle to change the resistance value of the variable resistor, and then the resistance value is calculated to obtain the indicator. The displacement distance relative to the base.

Furthermore, the sensor can also be a magnetic sensor, and a magnet is connected to the end of the indicator, and the magnetic field of the magnet is measured by the magnetic sensor. When the base moves, the magnetic field of the magnet can be changed. The displacement distance of the indicator relative to the base.

Of course, the sensor is provided with more than one to measure the index at the same time to obtain a more accurate displacement signal.

The displacement signal obtained by the measurement can be obtained through subsequent calculations. For example, the sensor is connected with a calculation unit to calculate the actual displacement distance of the sensing signal measured by the sensor. The computing unit is connected to the display unit by wire/wireless mode, and the display unit is an electronic watch to display the displacement message.

Alternatively, the display unit may be a mobile phone or a portable electronic device, and the application software is installed on the mobile phone or the portable electronic device, and the displacement signal measured by the sensor is calculated and displayed as useful data.

The position displacement sensing device can be designed as a separate individual by the above-mentioned position displacement sensing device, so that it will be unrestricted, and the visual demand device is on different sports equipment, including the continuously improving new sports equipment. Then, measure the displacement distance to get the available data.

1‧‧‧ Position Displacement Sensing Device

2‧‧‧Base

3‧‧ ‧ Palin

4‧‧‧heavy hammer

5‧‧‧ indicators

6‧‧‧ sensor

6a‧‧‧Light sensing components

6b‧‧‧Light sensing components

6c‧‧‧Variable resistor

6d‧‧‧Magnetic sensor

61‧‧‧transmitter

62‧‧‧ Receiver

63‧‧‧Reflective layer

64‧‧‧ barcode

65‧‧‧ handle

66‧‧‧ magnet

7‧‧‧ sports equipment

7a‧‧‧ Racing car

71‧‧‧Adjustment knob

72‧‧‧ magnet

73‧‧‧Flywheel

8‧‧‧Computation unit

81‧‧‧Amplifier

82‧‧‧ Analog Digital Converter

83‧‧‧Microcontroller

84‧‧‧RF amplifier

85‧‧‧Antenna

86‧‧‧Power supply

9‧‧‧Display unit

9a‧‧‧Electronic watch

9b‧‧‧Mobile

1 is a view showing a first embodiment of the present invention; FIG. 2 is a schematic view showing the structure of the present invention in combination with a sports equipment; FIG. 3 is a view showing a second embodiment of the present invention; Fig. 5 and Fig. 5 are views showing a fourth embodiment of the present invention.

Referring to FIG. 1 , the present invention provides a position and displacement sensing device 1 , which mainly includes a base 2 , a Palin 3 , a weight 4 and an indicator 5 , a sensor 6 , etc., and the base 2 provides accommodation. a space for accommodating other units, the Palin 3 device is disposed on the base 2 for pivotally connecting the weight 4 and the index 5 to obtain a relative distance, and the weight 4 and the indicator 5 are disposed around the The weight of the forest 3 is rotatable, and the weight 4 and the index 5 are at a fixed angle with each other, so that the weight 4 is subjected to the gravity of the gravity and the vertical direction is maintained. The weight 4 is connected to the indicator 5 and opposite to the base 2 The displacement is performed, and the sensor 6 is fixed on the base 2, so that the sensor 6 measures the displacement distance of the index 5 relative to the base 2.

The sensor 6 is a light sensing element 6a having a light emitting end 61 and a reflected light receiving end 62 with a light reflecting layer 63 mounted on the index 5 relative to the light sensing element 6a. Since the light sensing element 6a is fixed on the base 2, and the index 5 is guided by the weight 4 to rotate on the Paling 3, the index 5 is relatively changed relative to the position of the base 2. mobile. The light-emitting layer 63 is aligned with the light-reflecting layer 63 of the index 5 to emit light, and the reflected signal of the light-reflecting layer 63 is received through the receiving end 62. The light intensity can be measured by using the received reflected signal, and the light intensity is measured. The size will vary with the distance of the pedestal from the indicator, that is, the closer the pedestal is to the indicator, the measured The greater the light intensity, the farther the distance between the pedestal and the index is, the smaller the measured light intensity is, and the displacement distance of the index 5 relative to the susceptor 2 is obtained by calculating the light intensity variation of the light.

Referring to FIG. 2, an embodiment of the present invention is to mount the base 2 on the sports equipment 7. The sports equipment 7 of the present embodiment is a racing car 7a, when the user is riding the racing car. At 7a, the adjustment knob 71 can be controlled to change the resistance. Specifically, the adjustment knob 71 controls a set of magnets 72 that are close to the flywheel 73 of the racing car 7a, and the magnetic field of the magnet 72 is rotated and cut by the flywheel 73 to thereby generate resistance. When the adjustment knob 71 is rotated downward, the contact area of the magnet 72 and the flywheel 73 is increased, thereby obtaining greater resistance; conversely, when the adjustment knob 71 is rotated upward, the contact of the magnet 72 with the flywheel 73 is obtained. As the area decreases, the resulting resistance becomes smaller.

Regardless of whether the adjustment knob 7a is rotated up or down, the position of the base 2 is changed, and the weight 4 is naturally drooped by the gravity of the gravity, and the weight 4 is connected to the indicator 5 to maintain a fixed angle. The pedestal 2 will form a relative motion with the index 5, and the change of the relative position is measured through the sensor 6, and the actual displacement distance can be measured. Then, by calculating the displacement distance, the user's exercise amount or the consumed physical energy can be calculated, and the user's fitness reference can be provided.

The sensor 6 is connected to the computing unit 8 to calculate the actual displacement distance from the sensing signal measured by the sensor 6. The computing unit 8 includes an amplifier 81 for amplifying the weak signal obtained by the sensor 6, and then converting it into a digital signal through an analog-to-digital converter (A/D) 82 to provide a microcontroller (MCU) 83 calculation. The required information and the obtained data are amplified by the RF amplifier 84 and output through the antenna 85. The computing unit 8 is additionally provided with a power source 86 that can provide the required power, which can be a battery, a rechargeable battery, or the like.

Further, the computing unit 8 is connected to the display unit 9, and is connected in a wired/wireless manner through the antenna 86 to display the data generated by the computing unit 8 and provide User application. The display unit 9 is an electronic watch 9a mounted on the sports equipment 7 to display the data generated by the computing unit 8.

Alternatively, the display unit 9 can be a portable portable electronic device designed for the mobile phone 9b, etc., and the application software is installed on the mobile phone 9b or the portable electronic device for measuring the displacement signal measured by the sensor 6. Calculate and display useful information.

With the position displacement sensing device 1 completed as described above, the position displacement sensing device 1 can be combined with the exercise equipment 7 to perform its function. Furthermore, the position-displacement sensing device 1 can be designed as a separate individual, so that it will be unrestricted, and the visual demand device is on different sports equipment 7, including the continuously advanced new sports equipment 7, and then the displacement is measured. The distance is available.

Referring to FIG. 3, the sensor 6 used in the present invention may be another light sensing element 6b of light, which is provided with a barcode 64 on the index 5, and irradiates the barcode 64 or the non-barcode area with light. When the barcode 64 area is illuminated, the light is blocked by the barcode 64, and the read signal is 0; otherwise, when the non-barcode area is illuminated, the light is penetrated to obtain a read signal of 1, by a series of 0 or 1 binary. The sensing signal is obtained by calculating the sensing signal to obtain a displacement distance of the index 5 relative to the susceptor 2. The sensor 6 is provided with more than one to measure the index 5 at the same time, and obtain a more accurate displacement signal by mutual comparison.

Or as shown in FIG. 4, the sensor 6 is a variable resistor 6c, and the end of the index 5 is connected to the handle 65 of the variable resistor 6c, and the index 5 is used to drive the handle 65 to change the variable resistor. The resistance value of 6c is then calculated to change the resistance value to obtain the displacement distance of the index 5 relative to the susceptor 2.

Referring to FIG. 5, the sensor 6 can also be a magnetic sensor 6d, and A magnet 66 is connected to the end of the index 5. The magnetic field of the magnet 66 is measured by the magnetic sensor 6d. When the susceptor 2 moves, the magnetic field of the magnet 66 changes, and the magnetic field is measured by the magnetic sensor 6d. When the change is 66, the displacement distance of the index 5 relative to the susceptor 2 can be obtained.

The detailed description of the preferred embodiments of the present invention is intended to be limited to the scope of the invention, and is not intended to limit the scope of the invention. The patent scope of this case.

1‧‧‧ Position Displacement Sensing Device

2‧‧‧Base

3‧‧ ‧ Palin

4‧‧‧heavy hammer

5‧‧‧ indicators

6‧‧‧ sensor

6a‧‧‧Light sensing components

61‧‧‧transmitter

62‧‧‧ Receiver

63‧‧‧Reflective layer

8‧‧‧Computation unit

81‧‧‧Amplifier

82‧‧‧ Analog Digital Converter

83‧‧‧Microcontroller

84‧‧‧RF amplifier

86‧‧‧Power supply

85‧‧‧Antenna

9‧‧‧Display unit

9b‧‧‧Mobile

Claims (10)

A position displacement sensing device includes: a base; a Palin, the device is mounted on the base; and the weight and the index are disposed at a fixed angle to each other on the Palin, and the weight is subjected to gravity In the direction of the sagging, the weight is connected to the index and displaced relative to the base; the sensor is fixed on the base, so that the sensor measures the displacement distance of the index relative to the base. The position displacement sensing device of claim 1, wherein the sensor is a light sensing component, and the light intensity is measured by irradiating the indicator with light and receiving the reflected signal, and the magnitude of the light intensity is along with the base The seat changes with the distance of the index, and the displacement distance of the index with respect to the pedestal is obtained by calculating the change in the light intensity. The position displacement sensing device of claim 1, wherein the sensor is a light sensing component, and a bar code is disposed on the indicator, and the bar code or the non-barcode region is illuminated by the light to generate a binary sensing signal of 0 or 1. The displacement distance of the index relative to the pedestal is obtained by calculating the sensing signal. The position displacement sensing device of claim 1, wherein the sensor is a variable resistor, and the end of the index is connected to the handle of the variable resistor, and the lever is used to move the handle to change the variable resistor. The resistance value is then calculated by changing the resistance value to obtain the displacement distance of the index relative to the susceptor. The position displacement sensing device of claim 1, wherein the sensor is a magnetic sensor, and a magnet is connected to the end of the index, and the magnetic field of the magnet is measured by the magnetic sensor to obtain the index relative to the magnetic sensor. The displacement distance of the pedestal. The position displacement sensing device of claim 1, wherein the sensor is provided with more than one to simultaneously measure the index to obtain a more accurate displacement signal. The position displacement sensing device of claim 1, wherein the sensor is connected with a calculation unit to calculate an actual displacement distance of the sensing signal measured by the sensor. The position displacement sensing device of claim 7, wherein the computing unit is connected to the display unit by a wired/wireless method, and the display unit is an electronic watch to display the displacement information. The position displacement sensing device of claim 7, wherein the computing unit is connected to the display unit by a wired/wireless connection, and the display unit is a mobile phone or a portable electronic device to display a displacement message. The position displacement sensing device of claim 1, wherein the position displacement sensing device is an independent individual and is mounted on the sports equipment.