CN111840921A - Intelligent chest developer - Google Patents
Intelligent chest developer Download PDFInfo
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- CN111840921A CN111840921A CN202010791126.0A CN202010791126A CN111840921A CN 111840921 A CN111840921 A CN 111840921A CN 202010791126 A CN202010791126 A CN 202010791126A CN 111840921 A CN111840921 A CN 111840921A
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- elastic
- sensing unit
- strain sensing
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- chest expander
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
- A63B23/1209—Involving a bending of elbow and shoulder joints simultaneously
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
- A63B21/055—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters extension element type
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention provides an intelligent chest expander which comprises a first handle, a second handle, an elastic part, a signal processing unit and a control terminal, wherein the first handle is connected with the second handle; the elastic part consists of a plurality of elastic units with the same structure and spacing with each other; the elastic unit comprises a high-molecular elastic tube and an elastic strain sensing unit arranged in the high-molecular elastic tube; when the macromolecule elastic tube is stretched or shrunk and deformed, the elastic strain sensing unit is synchronously stretched or shrunk and deformed, the electric signal of the elastic strain sensing unit is changed, and the signal processing unit acquires and processes the electric signal to obtain the deformation information; the control terminal is used for receiving the deformation information of the signal processing unit and displaying the deformation information on the terminal. The invention applies the elastic electronic technology to the body-building chest expander, realizes the intellectualization of the chest expander and increases the exercise interest.
Description
Technical Field
The invention belongs to the technical field of fitness equipment, and particularly relates to an intelligent chest expander.
Background
The chest developer is a body-building exercise apparatus, and mainly includes two handles and elastic component, and the elastic component both ends are connected with the handle respectively, and user's both hands are held the handle during the use, utilize arm strength to pull open the elastic component to play the effect of tempering arm muscle.
The elastic part of the chest developer mainly adopts a spring or a high polymer elastic material. However, since the tension spring is likely to cause skin and hair to be pinched, a polymer elastic material is often used for the elastic portion of the chest expander.
Disclosure of Invention
The invention provides an intelligent chest expander which is simple in structure and high in use interestingness.
The technical scheme provided by the invention is as follows: the utility model provides an intelligence chest expander, includes first handle, second handle and elastic component, characterized by: the system also comprises a signal processing unit and a control terminal;
the elastic part consists of a plurality of elastic units; each elastic unit has the same structure and is arranged between the first handle and the second handle at a distance;
the elastic unit comprises a high-molecular elastic tube and an elastic strain sensing unit arranged in the high-molecular elastic tube, and an electric signal of the elastic strain sensing unit changes when the elastic strain sensing unit deforms; one end of the macromolecule elastic tube is connected with the first handle, and the other end of the macromolecule elastic tube is connected with the second handle;
when the macromolecule elastic tube is stretched or shrunk and deformed, the elastic strain sensing unit is synchronously stretched or shrunk and deformed, the electric signal of the elastic strain sensing unit is changed, and the signal processing unit acquires and processes the electric signal to obtain the deformation information;
the control terminal is used for receiving the deformation information of the signal processing unit and displaying the deformation information on the terminal.
The mode that the polymer elastic tube is connected with the handle is not limited, and the polymer elastic tube can be connected through a connecting piece and also can be directly connected to the handle. The connecting member is not limited and includes a hook, a clip, and the like. Direct attachment means are not limited and include stitching, adhesives, and the like.
The mode of synchronous deformation of the elastic strain sensing unit and the polymer elastic tube is not limited. For example, one end of the elastic strain sensing element is fixed to one end of the polymer elastic tube, and the other end of the elastic strain sensing element is fixed to the other end of the polymer elastic tube. Or one end of the elastic strain sensing unit and one end of the polymer elastic tube are both connected to the first fixing piece, and the other end of the elastic strain sensing unit and the other end of the polymer elastic tube are both connected to the second fixing piece.
As an implementation mode, one end of the polymer elastic tube is connected to the first handle through a first buckle, and the other end of the polymer elastic tube is connected to the second handle through a second buckle;
the bottom of the first buckle is provided with a first through hole, one end of the polymer elastic tube penetrates through the first through hole and then is internally provided with a first ball, the diameter of the first ball is larger than that of the first through hole, and one end of the elastic strain sensing unit is fixedly connected with the first ball;
the bottom of the second buckle is provided with a second perforation, the other end of the polymer elastic tube penetrates through the second perforation and then arranges the second ball inside the end, the diameter of the second ball is larger than that of the second perforation, and the other end of the elastic strain sensing unit is fixedly connected with the second ball.
The polymer elastic tube is made of a polymer elastic material, and the specific material is not limited, and is preferably TPR with high hardness.
The deformation information includes, but is not limited to, a stretching size or a shrinking size, a tension force, and the like.
The signal processing unit is connected with the elastic strain sensing unit and used for acquiring the electric signal of the elastic strain sensing unit. The signal processing unit is not limited in the arrangement position and can be arranged in the elastic polymer tube or the handle.
The signal processing unit and the control terminal can be separated or integrated. When the signal processing unit is separated from the control terminal, the connection mode of the signal processing unit and the control terminal is not limited, and the signal processing unit and the control terminal can be wired connection or wireless connection. The wireless transmission includes but is not limited to one or more of ZigBee, Bluetooth, WIFI, GPRS and the like.
The control terminal is not limited and comprises a mobile phone, a computer and the like.
Preferably, the signal processing unit collects and processes the electric signal of the elastic strain sensing unit, calculates the stretching amount or the shrinking amount of the high molecular elastic pipe according to a built-in algorithm, and further preferably calculates the tensile force according to Hooke's law. In one embodiment, the signal processing unit stores a correspondence between a resistance change value of the elastic strain sensing unit and a stretching amount of the polymer elastic tube, and obtains the stretching amount or the contraction amount of the polymer elastic tube from the correspondence.
As an implementation mode, the signal processing unit realizes data transmission with the mobile phone APP through the Bluetooth module. Preferably, the number and stiffness coefficient of the polymer elastic tubes are set in the APP, and the APP receives the stretching amount or the shrinking amount of the polymer elastic tubes from the signal processing unit, and the pulling force can be obtained according to hooke's law.
Preferably, the control terminal sets an exercise task, the exercise task includes the number of the macromolecule elastic tubes, the stretching times, the stretching length, and the rest time between adjacent stretches, and in the stretching exercise process, the control terminal receives data from the signal processing unit to obtain the actual stretching length, the actual stretching force, the stretching times, and the actual stretching duration. Preferably, the control terminal calculates the energy consumed in the stretching exercise in combination with the number of the polymeric elastic tubes.
Preferably, when the exercise task is started, the control terminal sends out a voice prompt, and when the exercise task is completed, the control terminal sends out the voice prompt.
The elastic strain sensing unit is not limited and includes a resistance-type elastic strain sensing unit, a capacitance-type elastic strain sensing unit, an inductance-type elastic strain sensing unit and the like. The electrical signals include resistance, capacitance, inductance, and the like.
The elastic strain sensing unit is a resistance-type elastic strain sensing unit
When the elastic strain sensor is a resistance-type elastic strain sensing unit, according to a resistance calculation formula R ═ ρ × L/S and a volume calculation formula V ═ lxs, ρ is the conductor resistivity, L is the conductor length, S is the conductor cross-sectional area, and V is the total volume, the proportional relationship between the resistance of the elastic strain sensing unit and the square of the length thereof can be obtained, and when the resistance-type elastic strain sensing unit is stretched, the resistance changes, that is, the amount of stretching or shrinking can be detected by detecting the change in resistance.
The structure of the resistive elastic strain sensor is not limited.
As one implementation manner, the resistance-type elastic strain sensing unit is an electric conductor composed of an elastic insulating material and a conductive material, the conductive material is in a liquid state, a paste state or a gel state, the conductive material is packaged in the elastic insulating material, and an electric signal is led out through an electrode.
In another implementation, the resistive elastic strain sensing unit is an electrical conductor composed of an elastic insulating material and a conductive material, the conductive material is in a liquid state, a paste state or a gel state, and the conductive material and the molten elastic insulating material are mixed and then solidified to obtain the electrical conductor.
The conductive liquid is not limited, such as liquid metal, conductive ink, and the like.
The conductive gel is not limited, such as graphite conductive gel, silver gel, and the like.
The conductive paste is not limited and includes graphene paste, mixed paste of a conductive material and an elastomer, and the like. The mixed slurry of the conductive material and the elastomer includes, but is not limited to, a mixed slurry of a liquid metal and an elastomer, a mixed slurry of carbon powder and an elastomer, a mixed slurry of carbon fiber and an elastomer, a mixed slurry of graphene and an elastomer, a mixed slurry of a metal powder and an elastomer, and the like.
The liquid metal refers to a metal conductive material which is liquid at room temperature, and includes but is not limited to mercury, gallium-indium alloy, gallium-indium-tin alloy, and one or more doped gallium-indium alloy, gallium-indium-tin alloy and the like of transition metal and solid nonmetal elements.
The elastic insulating material includes, but is not limited to, an elastic polymer material, such as one or more of thermoplastic elastomer (TPE), thermoplastic polyurethane elastomer rubber poly (TPU), dimethyl siloxane (PDMS), aliphatic aromatic random copolyester (Ecoflex), high molecular polymer resin, silicone rubber, hydrogel, polyurethane, and polyethylene octene co-elastomer (POE). Preferably, the elastic insulating material has a hardness smaller than that of the polymer elastic tube.
The elastic strain sensing unit is a capacitive elastic strain sensing unit
When the elastic strain sensing unit is a capacitive elastic strain sensing unit, the capacitance of the elastic strain sensing unit is proportional to the square root of the length of the elastic strain sensing unit according to a parallel plate capacitance formula C which is S/d and a volume formula V which is lxs which is the dielectric constant of a medium between polar plates, S is the polar plate area, and d is the distance between the polar plates.
As one implementation, the elastic strain sensor includes a first conductive layer, a second conductive layer, and an elastic dielectric layer between the first conductive layer and the second conductive layer. The first conducting layer is composed of conducting liquid, conducting slurry or conducting gel and is connected with an external first electrode; the elastic dielectric layer has conductive insulativity; the second conductive layer is composed of conductive liquid, conductive paste or conductive gel and is connected with an external second electrode.
Preferably, the elastic dielectric layer includes an elastic polymer material, such as one or more of thermoplastic elastomer (TPE), thermoplastic polyurethane elastomer rubber poly (TPU), dimethyl siloxane (PDMS), aliphatic aromatic random copolyester (Ecoflex), high molecular polymer resin, silicone rubber, hydrogel, polyurethane, and polyethylene octene co-elastomer (POE). More preferably, the elastic dielectric layer material has a hardness lower than that of the polymeric elastic tube.
The conductive liquid is not limited, such as liquid metal, conductive ink, and the like.
The conductive gel is not limited, such as graphite conductive gel, silver gel, and the like.
The conductive paste is not limited and includes graphene paste, mixed paste of a conductive material and an elastomer, and the like. The mixed slurry of the conductive material and the elastomer includes, but is not limited to, a mixed slurry of a liquid metal and an elastomer, a mixed slurry of carbon powder and an elastomer, a mixed slurry of carbon fiber and an elastomer, a mixed slurry of graphene and an elastomer, a mixed slurry of a metal powder and an elastomer, and the like.
The liquid metal refers to a metal conductive material which is liquid at room temperature, and includes but is not limited to mercury, gallium-indium alloy, gallium-indium-tin alloy, and one or more doped gallium-indium alloy, gallium-indium-tin alloy and the like of transition metal and solid nonmetal elements.
The first electrode is used for conducting and connecting with an external device, and the materials of the first electrode are not limited and include metal materials, conductive cloth, graphene, graphite conductive adhesive, silver adhesive, liquid metal, a circuit board and the like.
The second electrode is used for conducting and connecting with an external device, and the materials of the second electrode are not limited and include metal materials, conductive cloth, graphene, graphite conductive adhesive, silver adhesive, liquid metal, a circuit board and the like.
Preferably, the elastic strain sensor is composed of two electric conductors, and two polar plates serving as capacitors are arranged in parallel up and down on the two electric conductors; each electric conductor is formed by encapsulating a liquid, slurry and gel conductive part in a TPE (thermoplastic elastomer) tube and leading out an electric signal through an electrode.
Preferably, the signal processing unit collects and processes the electric signal of the elastic strain sensing unit, calculates the stretching amount or the shrinking amount of the high polymer elastic pipe according to a built-in algorithm, and then calculates the tensile force according to Hooke's law. As one implementation, the signal processing unit stores a correspondence between a capacitance change value of the elastic strain sensing unit and a tensile amount of the polymer elastic tube, and stores a stiffness coefficient of the polymer elastic tube.
As an implementation mode, the signal processing unit realizes data transmission through the Bluetooth module and the mobile phone APP, and sets the number and the stiffness coefficient of the high polymer elastic tube in the APP.
Preferably, during the stretching exercise, the control terminal receives the tension data from the signal processing unit, obtains the stretching frequency and the stretching duration, and calculates the stretching times, the consumed energy and the exercise time according to the number of the macromolecule elastic tubes.
When the set stretching exercise task is completed, the control terminal sends out a rest voice prompt to rest for a certain time and then sends out a motion starting voice prompt. And after the overall movement time is achieved, the control terminal prompts the user to stop moving and displays the heat consumed by the movement.
Compared with the prior art, the invention applies the elastic electronic technology to the body-building chest expander, realizes the intellectualization of the chest expander, increases the interaction between people and the chest expander, increases the interest of the exercise process and simultaneously meets the requirements of body-building groups on scientific body building.
Drawings
Fig. 1 is a schematic structural view of a chest expander in embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of a chest expander in embodiment 3 of the present invention.
Wherein the reference numerals are: the handle comprises a first handle 10, a second handle 11, a control terminal 30, an elastic unit 21, a macromolecule elastic tube 22, an elastic strain sensing unit 23, a plastic clip 25 and a round plastic ball 24.
Detailed Description
The invention will be described in further detail below with reference to the accompanying drawings and examples, which are intended to facilitate the understanding of the invention and are not intended to limit the invention in any way.
Example 1:
as shown in fig. 1, the intelligent chest expander comprises a first handle 10, a second handle 11, an elastic part, a signal processing unit and a control terminal.
The elastic part is composed of five elastic units 21, each elastic unit 21 has the same structure, the five elastic units 21 are arranged between the first handle and the second handle in parallel, and the adjacent elastic units are equally spaced.
The elastic unit 21 includes a polymer elastic tube 22, and an elastic strain sensing unit 23 provided in the polymer elastic tube. When the elastic strain sensing unit 23 is deformed, an electric signal thereof changes. One end of the polymer elastic tube 22 is connected to the first handle 10, and the other end is connected to the second handle 11.
In this embodiment, the polymer elastic tube is made of TPR material and has a hardness of 60A.
In this embodiment, two ends of the elastic polymer tube 22 are connected to the first handle and the second handle through plastic fasteners 25, respectively. The bottom of the buckle is provided with a through hole, the end part of the macromolecule elastic tube penetrates through the through hole and then arranges the plastic ball 24 inside the end, the diameter of the plastic ball 24 is larger than that of the through hole, and the two ends of the elastic strain sensing unit are respectively fixedly connected with the plastic ball.
In this embodiment, the elastic strain sensor is a resistance-type elastic strain sensor, and is a conductor that encapsulates liquid metal in a TPE tube and leads out an electrical signal through an electrode. When the conductor is stretched or shrunk, its resistance changes.
In this embodiment, the signal processing unit is electrically connected to the elastic unit 21 by soldering.
When the macromolecule elastic tube is stretched or shrunk and deformed, the elastic strain sensing unit synchronously stretches or shrinks and deforms, the resistance of the elastic strain sensing unit changes, and the signal processing unit acquires and processes resistance signals to obtain deformation information; the control terminal is used for receiving the deformation information of the signal processing unit and displaying the deformation information on the terminal.
In this embodiment, the control terminal 30 is disposed on the first handle, and the signal processing unit is integrated in the control terminal. The control terminal can set the motion parameters, such as the number of the macromolecule elastic tubes, the number of the motion groups, the number of the stretching of each group and the rest time interval.
When a user exercises by using the intelligent chest developer, the first handle and the second handle are held by two hands to be stretched outwards, so that the polymer elastic tube and the elastic strain sensor are stretched simultaneously, and the signal processing unit detects the resistance change of the elastic strain sensor; the signal processing unit stores the corresponding relation between the resistance change value of the elastic strain sensing unit and the stretching amount of the high-molecular elastic tube, stores the stiffness coefficient of the high-molecular elastic tube, obtains the stretching amount of the high-molecular elastic tube at the moment according to the storage, calculates the tension at the moment according to Hooke's law, and transmits the obtained data to the control terminal; then, the user's both hands are inwards close to make polymer elastic tube and elastic strain sensor resume to original length, and elastic strain sensor's resistance value resumes to the initial value, accomplishes a tensile exercise process, and signal processing unit accomplishes a testing process. The user repeats the stretching exercise process several times.
In this embodiment, the control terminal sets an exercise task, and the exercise task includes the number of the polymer elastic tubes, the number of times of stretching, the stretching length, and the rest time between adjacent stretches. And when the exercise task starts, the control terminal sends out a voice prompt to start exercise. In the stretching exercise process, the control terminal receives data from the signal processing unit to obtain the actual stretching length, the actual stretching force, the actual stretching times and the actual stretching duration, and the control terminal calculates the energy consumed in the stretching exercise by combining the number of the high-molecular elastic tubes. When the exercise task is completed, the control terminal sends out a voice prompt to stop the exercise, and the information of the stretching times, the stretching length, the stretching force, the stretching duration time, the consumed heat and the like of the exercise is displayed on the terminal.
After finishing taking exercise, close the signal processing unit power, usable USB charging wire charges signal processing unit.
Example 2:
in this embodiment, the intelligent chest expander is substantially the same as the intelligent chest expander in embodiment 1, except that the control terminal is a mobile phone, an APP is installed in the mobile phone, and the APP interface can be set with motion parameters, such as the number of polymer elastic tubes, the number of motion groups, the number of stretches in each group, and the rest time interval. The signal processing unit is separated from the control terminal, the signal processing unit is arranged on the first handle 10, and the signal processing unit is connected with the mobile phone by utilizing the built-in Bluetooth module.
Example 3:
as shown in fig. 2, the intelligent chest expander comprises a first handle 10, a second handle 11, an elastic part, a signal processing unit and a control terminal.
The elastic part is composed of five elastic units 21, each elastic unit 21 has the same structure, the five elastic units 21 are arranged between the first handle and the second handle in parallel, and the adjacent elastic units are equally spaced.
The elastic unit 21 includes a polymer elastic tube 22, and an elastic strain sensing unit 23 provided in the polymer elastic tube. When the elastic strain sensing unit 23 is deformed, an electric signal thereof changes. One end of the polymer elastic tube 22 is connected to the first handle 10, and the other end is connected to the second handle 11.
In this embodiment, the polymer elastic tube is made of TPR material and has a hardness of 60A.
In this embodiment, two ends of the elastic polymer tube 22 are connected to the first handle and the second handle through plastic fasteners 25, respectively. The bottom of the buckle is provided with a through hole, the end part of the macromolecule elastic tube penetrates through the through hole and then arranges the plastic ball 24 inside the end, the diameter of the plastic ball 24 is larger than that of the through hole, and the two ends of the elastic strain sensing unit are respectively fixedly connected with the plastic ball.
In this embodiment, the elastic strain sensor is a capacitive elastic strain sensor, in which a liquid metal is encapsulated in a TPE pipe, and an electrical signal is led out through an electrode to serve as a conductor, and the two conductors form two electrode plates of a capacitor and are connected with the signal processing unit in a welding manner. When the elastic strain sensor is stretched or contracted, the capacitance of the elastic strain sensor changes.
When the macromolecule elastic tube is stretched or shrunk and deformed, the elastic strain sensing unit synchronously stretches or shrinks and deforms, the capacitance of the elastic strain sensing unit changes, and the signal processing unit acquires and processes capacitance signals to obtain deformation information; the control terminal is used for receiving the deformation information of the signal processing unit and displaying the deformation information on the terminal.
In this embodiment, the signal processing unit 30 is connected to the mobile phone by using the built-in bluetooth module, the APP is installed in the mobile phone, and the motion parameters, such as the number of the polymer elastic tubes, the number of the motion groups, the number of the stretched groups of each group, and the rest time interval, can be set on the APP interface.
When a user exercises by using the intelligent chest developer, the first handle and the second handle are held by two hands to be stretched outwards, so that the polymer elastic tube and the elastic strain sensor are stretched simultaneously, and the signal processing unit detects the capacitance change of the elastic strain sensor; the signal processing unit stores the corresponding relation between the capacitance change value of the elastic strain sensing unit and the stretching amount of the high-molecular elastic tube, stores the stiffness coefficient of the high-molecular elastic tube, obtains the stretching amount of the high-molecular elastic tube at the moment according to the storage, calculates the tension at the moment according to Hooke's law, and transmits the obtained data to the control terminal; then, the user's both hands are inwards close to make polymer elastic tube and elastic strain sensor resume to original length, and elastic strain sensor's capacitance value resumes to initial value, accomplishes a tensile exercise process, and signal processing unit accomplishes a testing process. The user repeats the stretching exercise process several times.
In this embodiment, the control terminal sets an exercise task, and the exercise task includes the number of the polymer elastic tubes, the number of times of stretching, the stretching length, and the rest time between adjacent stretches. And when the exercise task starts, the control terminal sends out a voice prompt to start exercise. In the stretching exercise process, the control terminal receives data from the signal processing unit to obtain the actual stretching length, the actual stretching force, the actual stretching times and the actual stretching duration, and the control terminal calculates the energy consumed in the stretching exercise by combining the number of the high-molecular elastic tubes. When the exercise task is completed, the control terminal sends out a voice prompt to stop the exercise, and the information of the stretching times, the stretching length, the stretching force, the stretching duration time, the consumed heat and the like of the exercise is displayed on the terminal.
After finishing taking exercise, close the signal processing unit power, usable USB charging wire charges signal processing unit.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and the invention is to be protected thereby. The invention is defined by the following claims and their equivalents.
Claims (19)
1. The utility model provides an intelligence chest expander, includes first handle, second handle and elastic component, characterized by: the system also comprises a signal processing unit and a control terminal;
the elastic part consists of a plurality of elastic units; each elastic unit has the same structure and is arranged between the first handle and the second handle at equal intervals;
the elastic unit comprises a high-molecular elastic tube and an elastic strain sensing unit arranged in the high-molecular elastic tube, and an electric signal of the elastic strain sensing unit changes when the elastic strain sensing unit deforms; one end of the macromolecule elastic tube is connected with the first handle, and the other end of the macromolecule elastic tube is connected with the second handle;
when the macromolecule elastic tube is stretched or shrunk and deformed, the elastic strain sensing unit is synchronously stretched or shrunk and deformed, the electric signal of the elastic strain sensing unit is changed, and the signal processing unit acquires and processes the electric signal to obtain the deformation information;
the control terminal is used for receiving the deformation information of the signal processing unit and displaying the deformation information on the terminal.
2. The intelligent chest expander as claimed in claim 1, wherein: the macromolecule elastic tube is connected with the first handle and the second handle through a connecting piece, or is directly connected with the first handle and the second handle.
3. The intelligent chest expander as claimed in claim 1, wherein: one end of the elastic strain sensing unit is fixed with one end of the polymer elastic tube, and the other end of the elastic strain sensing unit is fixed with the other end of the polymer elastic tube; or one end of the elastic strain sensing unit and one end of the polymer elastic tube are both connected to the first fixing piece, and the other end of the elastic strain sensing unit and the other end of the polymer elastic tube are both connected to the second fixing piece.
4. The intelligent chest expander as claimed in claim 1, wherein: one end of the macromolecule elastic tube is connected to the first handle through a first buckle, and the other end of the macromolecule elastic tube is connected to the second handle through a second buckle;
the bottom of the first buckle is provided with a first through hole, one end of the polymer elastic tube penetrates through the first through hole and then is internally provided with a first ball, the diameter of the first ball is larger than that of the first through hole, and one end of the elastic strain sensing unit is fixedly connected with the first ball;
the bottom of the second buckle is provided with a second perforation, the other end of the polymer elastic tube penetrates through the second perforation and then arranges the second ball inside the end, the diameter of the second ball is larger than that of the second perforation, and the other end of the elastic strain sensing unit is fixedly connected with the second ball.
5. The intelligent chest expander as claimed in claim 1, wherein: the signal processing unit is arranged in the elastic polymer tube or at the handle.
6. The intelligent chest expander as claimed in claim 1, wherein: the signal processing unit is separated from the control terminal or integrated together;
when the signal processing unit is separated from the control terminal, the signal processing unit and the control terminal are in wired connection or wireless connection.
7. The intelligent chest expander as claimed in claim 1, wherein: the control terminal comprises a mobile phone and a computer.
8. The intelligent chest expander as claimed in claim 1, wherein: the polymer elastic tube is composed of TPR.
9. The intelligent chest expander as claimed in claim 1, wherein: the deformation information includes a tensile force, a stretching size or a shrinking size.
10. The intelligent chest expander as claimed in claim 1, wherein: the control terminal is provided with an exercise task, and the exercise task comprises one or more of the number of the high-molecular elastic tubes, stretching times, stretching length and rest time between adjacent stretches.
11. The intelligent chest expander as claimed in claim 1, wherein: the signal processing unit collects and processes the electric signals of the elastic strain sensing unit, and the stretching amount or the shrinkage amount of the high polymer elastic pipe is calculated according to a built-in algorithm.
12. The intelligent chest expander as claimed in claim 11, wherein: and the signal processing unit calculates the tension according to Hooke's law.
13. The intelligent chest expander as claimed in claim 11, wherein: the signal processing unit stores the corresponding relation between the resistance/capacitance change value of the elastic strain sensing unit and the stretching amount of the polymer elastic tube, and obtains the stretching amount or the shrinking amount of the polymer elastic tube according to the corresponding relation.
14. The intelligent chest expander as claimed in claim 1, wherein: the signal processing unit realizes data transmission with the mobile phone APP through the Bluetooth module;
preferably, the number and stiffness coefficient of the polymer elastic tubes are set in the APP, and the APP receives the stretching amount or the shrinking amount of the polymer elastic tubes from the signal processing unit and obtains the tension according to hooke's law.
15. The intelligent chest expander as claimed in any one of claims 1 to 14, wherein: the elastic strain sensing unit comprises a resistance-type elastic strain sensing unit, a capacitance-type elastic strain sensing unit and an inductance-type elastic strain sensing unit;
preferably, the electrical signal includes a resistance, a capacitance, and an inductance.
16. The intelligent chest expander as claimed in claim 15, wherein: the resistance-type elastic strain sensing unit is a conductor composed of an elastic insulating material and a conductive material, wherein the conductive material is in a liquid state, a slurry state or a gel state, the conductive material is packaged in the elastic insulating material, and an electric signal is led out through an electrode.
Or the resistance-type elastic strain sensing unit is an electric conductor composed of an elastic insulating material and a conductive material, wherein the conductive material is in a liquid state, a slurry state or a gel state, and the conductive material and the molten elastic insulating material are mixed and then solidified to obtain the electric conductor.
17. The intelligent chest expander as claimed in claim 16, wherein: the hardness of the elastic insulating material is less than that of the high polymer elastic tube.
18. The intelligent chest expander as claimed in claim 15, wherein: the capacitive elastic strain sensing unit comprises a first conductive layer, a second conductive layer and an elastic dielectric layer positioned between the first conductive layer and the second conductive layer;
the first conducting layer is composed of conducting liquid, conducting slurry or conducting gel and is connected with an external first electrode; the elastic dielectric layer has conductive insulativity; the second conductive layer is composed of conductive liquid, conductive paste or conductive gel and is connected with an external second electrode.
19. The intelligent chest expander as claimed in claim 18, wherein: the elastic strain sensor is composed of two electric conductors, and two polar plates used as capacitors are arranged in parallel up and down on the two electric conductors; each electric conductor is formed by packaging a liquid, slurry and gel conductive part in a TPE (thermoplastic elastomer) pipe, leading out an electric signal through an electrode, and taking the pipe wall of the TPE pipe as an elastic dielectric layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010791126.0A CN111840921A (en) | 2020-08-07 | 2020-08-07 | Intelligent chest developer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010791126.0A CN111840921A (en) | 2020-08-07 | 2020-08-07 | Intelligent chest developer |
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| CN111840921A true CN111840921A (en) | 2020-10-30 |
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| CN202010791126.0A Pending CN111840921A (en) | 2020-08-07 | 2020-08-07 | Intelligent chest developer |
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