Force type fitness equipment

Abstract

The utility model relates to a strength type fitness facility, which comprises a machine frame, a resistance mechanism and an operation structure, the resistance mechanism and the operation structure are connected with the machine frame, the operation structure is connected with the resistance mechanism through a transmission structure, the strength type fitness facility is further provided with a generator, an electric energy conversion unit and a control unit, and the transmission structure is in transmission connection with a rotating shaft of the generator. The operation structure drives the transmission structure to do circulating reciprocating motion so as to drive a rotating shaft of the generator to rotate forwards or backwards; the electric energy conversion unit is electrically connected with the generator and is used for converting the electric energy output by the generator and storing the converted electric energy to an energy storage unit and / or electric equipment; the control unit is electrically connected with the electric energy conversion unit. According to the strength type fitness equipment, self power supply is achieved through the generator, external power supply is not needed, high-precision exercise information collection is achieved, multiple identity recognition modules are integrated, and the fitness experience of a user is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fitness equipment, and particularly relates to a strength fitness equipment. Background Art

[0002] Strength fitness equipment is one of the most common equipment in fitness gyms or home fitness. There are various types, including squat racks, bench presses, cable machines for pulling down, cable machines for pulling up, comprehensive training equipment, etc. The main purpose of these equipment is to specifically exercise the muscle strength of a certain part, helping fitness enthusiasts achieve the goals of enhancing muscles and improving physical functions.

[0003] With the digital development in the field of fitness equipment, in order to improve the user experience and the performance of the equipment, electronic devices with certain functions are often added, such as display screens, intelligent detection devices, virtual reality devices, etc. The power supply of such electronic devices is mainly through external power sources or batteries.

[0004] Using an external power source requires laying corresponding power lines and cables in the fitness venue, increasing the complexity and cost during use. If later modification is needed, the construction load and the cost of manpower and materials are relatively high, and there may also be problems such as tripping and entanglement due to improper cable layout. Due to the dependence of the equipment on the external power source, the equipment cannot be moved. If the external environmental power supply is interrupted or unstable, the external power source will fail or its performance will decline, which will also cause the equipment to malfunction; for self-operated commercial venues, exposing users to easily accessible strong electrical supply environments poses safety hazards.

[0005] When using a battery for power supply, since strength fitness equipment, especially when placed in fitness gyms, requires long-term continuous power supply, the battery needs to be frequently charged or replaced, and the price of high-quality batteries is relatively high, which may increase the overall cost of the equipment or system. To meet a certain power supply requirement, the battery often needs a large volume and weight, which increases the overall size and weight of the fitness equipment, may affect the portability and installation space, and also increases the maintenance cost of the fitness equipment. Therefore, the power supply problem of current strength fitness equipment still needs further improvement and optimization.

[0006] In the digital development of the fitness equipment field, new requirements have also been put forward for the intelligent functions of fitness equipment. For example, by collecting and analyzing data during the exercise process and optimizing the user training guidance method to improve the user experience, rather than being limited to boring repetitive movements, which poses requirements for technologies such as data collection, analysis, and user identity recognition.

[0007] Therefore, there are still many deficiencies in the technology of existing fitness equipment in terms of intelligence, especially in aspects such as power supply, data collection, and user identity recognition. There is an urgent need for further improvement and optimization to meet the higher requirements for intelligence, convenience, and safety in modern fitness venues. Summary of the Invention

[0008] In view of the deficiencies in the related art, the present utility model provides a strength fitness equipment to at least solve the problem of power supply for fitness equipment.

[0009] The present utility model provides a strength fitness equipment, including a frame and a resistance mechanism and an operation structure connected to the frame. The operation structure is connected to the resistance mechanism through a transmission structure. The fitness equipment further includes:

[0010] A generator, the transmission structure is drivingly connected to the rotating shaft of the generator. During strength training, the operation structure drives the transmission structure to move in a cyclic manner to drive the rotating shaft of the generator to rotate forward or backward;

[0011] An electric energy conversion unit, electrically connected to the generator, for converting the electric energy output by the generator and storing it in an energy storage unit and / or an electrical device. The electrical device can be connected to the energy storage unit. The electrical device includes a touch screen all-in-one machine, and a fitness management system is installed in the background of the touch screen all-in-one machine. The energy storage unit of the present application uses a storage battery, which can be a lithium-ion battery or a lead-acid battery, etc. The energy storage battery can also be realized by combining a super capacitor and a storage battery. The electric energy conversion unit further includes: a rectifying circuit and a filtering circuit that are electrically connected;

[0012] A control unit, electrically connected to the electric energy conversion unit and communicatively connected to the touch screen all-in-one machine.

[0013] In some embodiments, the transmission structure includes a transmission cable, at least one transmission pulley seat, and at least one transmission pulley. The transmission pulley is installed on the transmission pulley seat. The transmission cable bypasses the transmission pulley and is connected to the operation structure, and is connected to the resistance mechanism through the transmission pulley seat. The transmission cable passes around a conversion pulley seat and a conversion pulley. The transmission cable passes around the conversion pulley, and the conversion pulley is also connected to the rotating shaft of the generator through a transmission belt.

[0014] In some embodiments, the frame further includes a mounting base fixedly connected to the column of the frame; the operation structure further includes:

[0015] A rotating frame, disposed at the rear end of the mounting base, and the rotating frame is connected to the resistance mechanism through the transmission cable;

[0016] The push frame is rotatably arranged at the front end of the mounting base and is hinged to the rotating frame through a connecting rod structure.

[0017] In some embodiments, a seat mechanism is further provided at the front end of the mounting base, and the seat mechanism includes a back plate and a seat plate fixed on the mounting base.

[0018] In some embodiments, a handle is provided on the push frame.

[0019] In some of the embodiments, the resistance mechanism adopts any one of a motor resistance device, a gravity resistance device and a spring resistance device, or any combination thereof. Considering that the motor resistance device adopts an electric motor or a generator as a resistance source, which will increase the power consumption demand, the present application preferably adopts a gravity resistance device or a spring resistance device. The spring resistance has the disadvantage of unstable resistance. Therefore, the embodiment of the present application uses a gravity resistance device as the resistance mechanism.

[0020] In some embodiments, the strength training machine further comprises:

[0021] The NFC identification module and / or the Bluetooth identification module are electrically connected to the control unit, and the NFC identification module is configured as a card reader mode. Specifically, the NFC identification module is implemented based on the RC522 chip, and the Bluetooth identification module can adopt the CSR8670 Bluetooth module chipset or the nRF52832 Bluetooth chip.

[0022] In some embodiments, the rectifier circuit includes three groups of reverse parallel-connected diodes, respectively connected to the U terminal, the V terminal, and the W terminal of the generator;

[0023] The filter circuit is electrically connected to the output end of the rectifier circuit, and the filter circuit includes a plurality of filter capacitors connected in parallel.

[0024] In some embodiments, a weight sensor is also provided on the transmission cable, and both ends of the weight sensor are flexibly connected to the transmission cable and electrically connected to the control unit. Specifically, the weight sensor is arranged on the side of the transmission cable close to the resistance mechanism and is not rigidly connected to the equipment body or the resistance mechanism to avoid the influence of instantaneous impact on the detection results of the weight sensor during training, thereby ensuring the measurement accuracy of the sensor and improving its service life.

[0025] In some embodiments, the strength training machine further comprises:

[0026] A waveform acquisition unit has one end electrically connected to the generator and the other end electrically connected to the control unit.

[0027] In some embodiments, the waveform acquisition unit further comprises:

[0028] Half-wave rectifier circuit, including diode D7, diode D8 and diode D9, which are electrically connected to the U terminal, V terminal and W terminal of the generator respectively;

[0029] Current-limiting voltage-dividing circuit, including three groups of series-connected first resistors and second resistors. Each group of series-connected first resistors and second resistors are respectively connected to diode D7, diode D8 and diode D9, and each of the second resistors is shunted by a zener diode;

[0030] Schmitt trigger, electrically connected to the current-limiting voltage-dividing circuit and the control unit. The input pin of the Schmitt trigger is connected to the connection point of each group of series-connected first resistors and second resistors, and is used to convert the input signal into a square-wave signal and output it to the control unit.

[0031] Based on the above technical solutions, the power type fitness equipment in the embodiments of the present invention can achieve energy conservation and environmental protection. By converting the mechanical energy of human movement into electrical energy in this self-powered manner, it does not require an external power supply, thus greatly reducing energy consumption and being environmentally friendly, which conforms to the concept of modern green life; compared with an external power supply, the self-powered fitness equipment does not require additional power cords and power sockets, thus reducing space occupation, making the placement of the fitness equipment more flexible and convenient, and also saving the cost of site construction; not restricted by an external power supply, users can exercise at any location and at any time, greatly improving the convenience of use; in addition, the present invention also realizes the intelligent upgrade of the power type training equipment by setting up an NFC identification module, a Bluetooth identification module, etc., providing a more convenient, personalized and safe sports experience. Description of the Drawings

[0032] The drawings described herein are used to provide a further understanding of the present invention, form a part of this application, and the schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings:

[0033] Figure 1 is a schematic structural diagram of the power type fitness equipment of the present invention;

[0034] Figure 2 is another schematic structural diagram of the power type fitness equipment of the present invention;

[0035] Figure 3 is another structural block diagram of the power type fitness equipment of the present invention;

[0036] Figure 4 is a schematic diagram of the principle of the electric energy conversion unit of the power type fitness equipment of the present invention;

[0037] Figure 5This is the schematic diagram of the waveform acquisition unit of the strength fitness equipment of the present utility model.

[0038] In the figure:

[0039] 1. Frame; 2. Generator; 3. Electric energy conversion unit; 4. Control unit;

[0040] 5. Transmission structure; 6. Resistance mechanism; 7. Operation structure;

[0041] 8. Weight sensor; 9. Waveform acquisition unit; 10. Touch screen all-in-one machine;

[0042] 11. Installation base; 12. Column;

[0043] 21. Conversion pulley seat; 22. Conversion pulley;

[0044] 31. Rectifier circuit; 32. Filter circuit;

[0045] 41. NFC identification module; 42. Bluetooth identification module;

[0046] 51. Transmission cable; 52. Transmission pulley seat; 53. Transmission pulley;

[0047] 61. Counterweight; 62. Counterweight installation column; 63. Adjusting pin;

[0048] 71. Rotating frame; 72. Pushing frame; 73. Link structure; 74. Grip;

[0049] 75. Back panel; 76. Seat board;

[0050] 91. Half-wave rectifier circuit; 92. Current limiting and voltage dividing circuit; 93. Schmitt trigger. Detailed implementation manners

[0051] Next, the technical solutions in the embodiments will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0052] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0053] The terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second", "third" may explicitly or implicitly include one or more of such features.

[0054] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected to" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0055] Figures 1 - 2 It is a schematic structural diagram of the power type fitness apparatus of the present utility model. Figures 3 - 5 It is a structural block diagram and electrical schematic diagram of the power type fitness apparatus of the present utility model. Refer to Figures 1 to 5 As shown, the present utility model provides a power type fitness apparatus, which includes a frame 1 and a resistance mechanism 6 and an operation structure 7 connected to the frame 1. The frame 1 further includes an installation base 11 and a column 12 fixedly connected to the frame 1. The operation structure 7 is connected to the resistance mechanism 6 through a transmission structure 5. The fitness apparatus further includes: a generator 2, an electric energy conversion unit 3 and a control unit 4;

[0056] The transmission structure 5 is drivingly connected to the rotating shaft of the generator 2. Figure 1 、 Figure 2The generator 2, the power conversion unit 3, and the control unit 4 are shown in an integrated package form, and the rotating shaft of the generator 2 is shown in a peripheral form. During strength training, the operating structure 7 drives the transmission structure 5 to move in a reciprocating manner to drive the rotating shaft of the generator 2 to rotate forward or backward. The generator 2 can be a permanent magnet synchronous generator, with structures such as magnets, coils, and magnetic conduction sheets inside. When the rotating shaft rotates, the coil moves in the magnetic field to cut the magnetic force lines to generate electric energy. Among them, the transmission structure 5 includes a transmission cable 51, at least one transmission pulley seat 52, and at least one transmission pulley 53. The transmission pulley 53 is installed on the transmission pulley seat 52. The transmission cable 51 bypasses the transmission pulley 53 and is connected to the operating structure 7, and is connected to the resistance mechanism 6 through the transmission pulley seat 52. The transmission cable 51 passes around a conversion pulley seat 21 and a conversion pulley 22. The transmission cable 51 passes around the conversion pulley 22, and the conversion pulley 22 is also connected to the rotating shaft of the generator 2 through a transmission belt. In another embodiment, the transmission structure 5 of the present application can also be implemented by using structures such as steel cables, belts, transmission rods, or a combination thereof.

[0057] The power conversion unit 3 is electrically connected to the generator 2 and is used to convert the electric energy output by the generator 2 and store it in an energy storage unit and / or an electrical device. The electrical device can be connected to the energy storage unit. The electrical device includes a touch screen all-in-one computer 10. The energy storage unit of the present application uses a storage battery, which can be a lithium-ion battery or a lead-acid battery, etc. The energy storage battery can also be implemented by combining a super capacitor and a storage battery. In order to meet the charging requirements of the storage battery, the electrical device, or the super capacitor, a voltage conversion circuit can also be provided to convert the electric energy into a set voltage value and output it. The voltage conversion circuit can be a DC-DC conversion circuit;

[0058] The control unit 4 is electrically connected to the power conversion unit 3 and communicatively connected to the touch screen all-in-one computer 10.

[0059] Among them, the operating structure 7 further includes: a rotating frame 71 and a pushing frame 72. The rotating frame 71 is arranged at the rear end of the installation base 11, and the rotating frame 71 is connected to the resistance mechanism 6 through the transmission cable 51; the pushing frame 72 is rotatably arranged at the front end of the installation base 11 and is hinged to the rotating frame 71 through a connecting rod structure 73. A grip 74 is arranged on the pushing frame 72. When used for lower limb training, the grip 74 can also be set as a structure composed of a support plate and a buffer pad to facilitate the application of force to the lower limb part.

[0060] Optionally, the resistance mechanism 6 in the above embodiments adopts any one or any combination of a motor resistance device, a gravity resistance device, and a spring resistance device. Considering that using a motor or a generator as the resistance source in the motor resistance device will additionally increase the power consumption demand, the present application preferably adopts a gravity resistance device or a spring resistance device. Since the spring resistance has the disadvantage of unstable resistance, in the embodiments of the present application, the gravity resistance device is used as the resistance mechanism 6, and it can also be set as an electromagnetic resistance device or other types of resistance devices.

[0061] As Figure 1 shown, a counterweight mounting column 62 is provided on the frame 1. The gravity resistance device includes a plurality of counterweights 61 that pass through and are slidably arranged on the counterweight mounting column 62. Each counterweight 61 is provided with a jack, and an adjusting pin 63 is movably inserted into any one of the jacks.

[0062] As Figure 4 shown, the power conversion unit 3 in the above embodiments further includes a rectification circuit 31 and a filtering circuit 32 that are electrically connected. In some embodiments, the rectification circuit 31 includes three groups of diodes connected in reverse parallel, which are respectively connected to the U terminal, the V terminal, and the W terminal of the generator 2;

[0063] The filtering circuit 32 is electrically connected to the output terminal of the rectification circuit 31. The filtering circuit 32 includes a plurality of filtering capacitors connected in parallel.

[0064] As Figure 4 shown, the U terminal is connected to a reverse diode D1 and a forward diode D2, the V terminal is connected to a reverse diode D3 and a forward diode D4, and the W terminal is connected to a reverse diode D5 and a forward diode D6. When the voltage of one phase is higher than the other two phases, the forward diode (D2, D4, or D6) of this phase conducts, allowing the current to flow to the DC side. At the same time, the corresponding reverse diode (D1, D3, or D5) prevents the current from flowing back. In the negative half cycle of each phase, the reverse diode (D1, D3, or D5) conducts, allowing the current to pass through, while the corresponding forward diode prevents the current from flowing back, so as to ensure that no matter which phase is in the positive half cycle or the negative half cycle, the current can be continuously provided to the DC side.

[0065] Considering that the DC output of the rectification circuit 31 may contain relatively high ripple components, in the embodiments of the present application, the capacitors E2, E3, E4, C11, and C10 of the filtering circuit 32 store charges and release charges when the voltage drops, so as to reduce the ripple and provide a smooth DC output. Thus, through the rectification circuit 31 and the filtering circuit 32, the three-phase alternating current provided by the generator 2 is effectively converted and utilized, and converted into a smooth DC output for the energy storage unit or the electrical equipment.

[0066] To adapt to some sitting training, a seat mechanism is also provided at the front end of the installation base 11. The seat mechanism includes a backrest 75 and a seat board 76 fixedly installed on the base 11. The backrest 75 is also connected to the column 12 of the frame 1 to enhance the stability of the seat mechanism part.

[0067] When using the strength training fitness equipment of the present application for strength training, the user sits on the seat mechanism and holds the grip 74 tightly to perform chest press training. At this time, the push frame 72 drives the rotating frame 71 to move through the link structure 73, and then the transmission cable 51 is wound around the transmission pulley provided on the installation base 11 and the transmission pulley provided at the bottom of the frame 1 and then around to the top pulley of the frame 1 and turns to be connected to the counterweight 61. The conversion pulley seat 21 and the conversion pulley 22 are arranged on one side of the top pulley of the frame 1. During the training process, the transmission cable 51 drives the generator 2 to rotate and generate electricity through the conversion pulley 22, and the electric energy conversion unit 3 ensures the effective output of electric energy. The strength training fitness equipment in this embodiment is energy-saving and environmentally friendly. By converting the mechanical energy of human movement into electric energy in this self-powered method, it does not require an external power source, thus greatly reducing energy consumption and being environmentally friendly, which conforms to the concept of modern green life; compared with an external power source, the self-powered fitness equipment does not require additional power cords and power sockets, thus reducing space occupation, making the placement of the fitness equipment more flexible and convenient, and also saving the cost of site construction; not limited by an external power source, users can exercise at any location and at any time, greatly improving the convenience of use.

[0068] In another embodiment, the strength training fitness equipment further includes:

[0069] An NFC recognition module 41 and / or a Bluetooth recognition module 42, electrically connected to the control unit 4. The NFC recognition module 41 is configured in a card reader mode. By way of example and not limitation, the NFC recognition module 41 is implemented based on the RC522 chip, and the Bluetooth recognition module 42 can adopt the CSR8670 Bluetooth module chipset or the nRF52832 Bluetooth chip.

[0070] Based on the NFC recognition module 41, when the user is ready to start using the fitness equipment, just bring the pre-authorized NFC card / electronic device with pre-stored frequency information close to the NFC recognition area of the NFC recognition module 41, and the RC522 chip will immediately start the card search operation to detect NFC cards within the range of a specific wireless signal. In a multi-card environment that may exist, the RC522 chip adopts an efficient anti-collision mechanism and can intelligently select the nearest or highest-priority card for communication, thus avoiding signal interference and misoperation.

[0071] Based on the Bluetooth identification module 42, users will be assigned smart wristbands or tags with Bluetooth capabilities. These tags are embedded with unique electronic codes and are bound to the user's personal information in the fitness management system of the control unit 4. The Bluetooth identification module 42 deployed on the fitness equipment can automatically sense the signals of the user's wristband or tag within the range, achieving contactless identity recognition, which helps prevent unauthorized personnel from using the equipment and ensures the safety and effectiveness of training.

[0072] As Figure 2 shown, in order to accurately obtain the load during the exercise process and analyze the exercise process, the strength fitness equipment according to the embodiment of the present application further includes:

[0073] A weight sensor 8 is also provided on the transmission cable 51. By way of example but not limitation, it is a DYLY-103S type sensor. Both ends of the weight sensor 8 are flexibly connected to the transmission cable 51 and electrically connected to the control unit 4. Specifically, the weight sensor 8 is arranged on the side of the transmission cable 51 close to the resistance mechanism 6 and is not rigidly connected to the equipment body or the resistance mechanism 6 to avoid the influence of instantaneous impact during the training process on the detection result of the weight sensor 8, ensure the measurement accuracy of the sensor, and improve the service life.

[0074] Based on this weight sensor 8, during the actual exercise process, due to the influence of multiple factors such as the exercise state, acceleration, and inertia, the weight actually acting on the user's exercise part will fluctuate significantly. For example, when the user starts to exercise or changes the exercise direction, the inertial force will act. The inertial force is the force generated due to the inertia of the object itself and will resist the change of the object's motion state. Considering such fluctuations, the present application uses the weight sensor 8 to directly and accurately obtain the weight change borne by the transmission cable 51, thereby facilitating the analysis of the exercise process, such as judging whether the user's fitness movements are standard and providing reasonable exercise load suggestions.

[0075] In another embodiment, as Figure 5As shown in the figure, the strength fitness equipment further includes: a waveform acquisition unit 9, with one end electrically connected to the generator 2 and the other end electrically connected to the control unit 4. The waveform acquisition unit 9 includes: a half-wave rectification circuit 91, a current-limiting voltage-dividing circuit 92, and a Schmitt trigger 93 that are electrically connected. The half-wave rectification circuit 91 includes diodes D7, D8, and D9, which are respectively electrically connected to the U terminal, V terminal, and W terminal of the generator 2 to retain the voltage in the positive half-cycle; the current-limiting voltage-dividing circuit 92 includes three groups of series-connected first resistors and second resistors. Each group of series-connected first resistors and second resistors are respectively connected to diodes D7, D8, and D9. Each second resistor is connected in parallel with a zener diode. Resistor R8 and resistor R10 are connected in series and then one end is connected to diode D7 and the other end is grounded; resistor R9 and resistor R17 are connected in series and then one end is connected to diode D8 and the other end is grounded; resistor R15 and resistor R19 are connected in series and then one end is connected to diode D9 and the other end is grounded. Current limiting and voltage division processing are performed through three groups of series-connected resistors to meet the input requirements of the Schmitt trigger 93; voltage protection is performed by connecting zener diodes DZ1, zener diode DZ2, and zener diode Z22 in parallel at both ends of resistor R10, resistor R17, and resistor R19 respectively; the Schmitt trigger 93 is electrically connected to the current-limiting voltage-dividing circuit 92 and the control unit 4. The input pin of the Schmitt trigger 93 is connected to the connection point of each group of series-connected first resistors and second resistors, and is used to convert the input signal into a square wave signal and output it to the control unit 4.

[0076] Based on the above structure, the AC signal output by the generator 2 can be directly obtained, so as to analyze the number of strength training times based on the phase difference of the waveform of the AC signal of the generator 2 in the later stage, calculate the movement speed and travel according to the frequency of the waveform. The square wave signal has clear high and low levels, rising and falling edges. The rising and falling edge signals respectively represent the conversion of the square wave signal from low level to high level and from high level to low level, which is convenient for control logic and counting. There is no need to use a machine vision detection model, nor to install human detection peripherals, reducing the hardware cost and calculation cost, and at the same time, accurate analysis of the movement process can be achieved.

[0077] In summary, this application integrates the control unit 4, the generator 2, the power conversion unit 3, the fitness management system, and the identity recognition module based on NPC recognition and Bluetooth recognition, providing users with an energy-saving, portable, and intelligent fitness experience.

[0078] The above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it; although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: it is still possible to modify the specific implementation manners of the present invention or perform equivalent replacements for some technical features; without departing from the spirit of the technical solutions of the present invention, they should all be covered within the scope of the technical solutions claimed by the present invention.

Claims

1. A strength fitness equipment, comprising a frame, a resistance mechanism connected to the frame, and an operating structure, wherein the operating structure is connected to the resistance mechanism through a transmission structure, characterized in that: The fitness equipment also includes: Generator, the transmission structure is connected to the rotating shaft of the generator, and during strength training, the operating structure drives the transmission structure to reciprocate in a cycle to drive the rotating shaft of the generator to rotate forward or reverse; An electric energy conversion unit, electrically connected to the generator, for converting the electric energy output by the generator and storing it in an energy storage unit and / or an electric device, wherein the electric energy conversion unit further comprises: an electrically connected rectifier circuit and a filter circuit; A control unit is electrically connected to the electric energy conversion unit.

2. The strength fitness equipment according to claim 1, characterized in that: The transmission structure includes a transmission cable, at least one transmission pulley seat and at least one transmission pulley, wherein the transmission pulley is mounted on the transmission pulley seat, the transmission cable passes around the transmission pulley and is connected to the operating structure, and is connected to the resistance mechanism through the transmission pulley seat, the transmission cable passes around a conversion pulley seat and a conversion pulley, the transmission cable passes around the conversion pulley, and the conversion pulley is also connected to the rotating shaft of the generator through a transmission belt.

3. The strength fitness equipment according to claim 2, characterized in that: The frame also includes a mounting base fixedly connected to the column of the frame; the operating structure further includes: A rotating frame, arranged at the rear end of the mounting base, the rotating frame being connected to the resistance mechanism through the transmission cable; The push frame is rotatably arranged at the front end of the mounting base and is hinged to the rotating frame through a connecting rod structure.

4. The strength fitness equipment according to claim 3, characterized in that: A seat mechanism is also arranged at the front end of the mounting base, and the seat mechanism comprises a back plate and a seat plate fixed on the mounting base.

5. The strength fitness equipment according to claim 2, characterized in that: The resistance mechanism adopts any one of a motor resistance device, a gravity resistance device and a spring resistance device or any combination thereof.

6. The strength fitness equipment according to claim 3, characterized in that: Also includes: The NFC identification module and / or the Bluetooth identification module are electrically connected to the control unit, and the NFC identification module is configured as a card reader mode.

7. The strength fitness equipment according to claim 1, characterized in that: The rectifier circuit includes three groups of reverse parallel-connected diodes, which are respectively connected to the U terminal, the V terminal, and the W terminal of the generator; The filter circuit is electrically connected to the output end of the rectifier circuit, and the filter circuit includes a plurality of filter capacitors connected in parallel.

8. The strength fitness equipment according to claim 2, characterized in that: A weight sensor is also arranged on the transmission cable, and two ends of the weight sensor are flexibly connected to the transmission cable and electrically connected to the control unit.

9. The strength fitness equipment according to claim 1, characterized in that: Also includes: A waveform acquisition unit has one end electrically connected to the generator and the other end electrically connected to the control unit.

10. The strength fitness equipment according to claim 9, characterized in that: The waveform acquisition unit further comprises: A half-wave rectifier circuit, comprising a diode D7, a diode D8 and a diode D9, which are electrically connected to the U terminal, the V terminal and the W terminal of the generator respectively; The current limiting voltage divider circuit comprises three groups of first resistors and second resistors connected in series, each group of first resistors and second resistors connected in series are respectively connected to a diode D7, a diode D8 and a diode D9, and each of the second resistors is connected in parallel with a voltage stabilizing diode; A Schmitt trigger is electrically connected to the current limiting voltage divider circuit and the control unit, wherein the input pin of the Schmitt trigger is connected to the connection point of each group of the first resistor and the second resistor connected in series, and is used to convert the input signal into a square wave signal and output it to the control unit.

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