CN215136748U - Foot action sensing device and sports equipment - Google Patents
Foot action sensing device and sports equipment Download PDFInfo
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- CN215136748U CN215136748U CN202121054623.9U CN202121054623U CN215136748U CN 215136748 U CN215136748 U CN 215136748U CN 202121054623 U CN202121054623 U CN 202121054623U CN 215136748 U CN215136748 U CN 215136748U
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Abstract
The utility model relates to a foot action sensing device and sports equipment, foot action sensing device includes central key position sensor, a plurality of edge key position sensors and signal detection circuit around central key position sensor arranges, central key position sensor and a plurality of edge key position sensor all electricity are connected to signal detection circuit; the central key position sensor and the edge key position sensor are internally provided with an electrode layer, an isolation layer and a resistance layer; the electrode layer and the resistive layer are separated by the separator layer; when pressure acts on the foot action sensing device, the electrode layer is in contact with the resistance layer, the signal detection circuit obtains foot action sensing signals, and the treading sensing range is enlarged, so that a large number of sensors do not need to be arranged, and the cost is saved.
Description
Technical Field
The utility model relates to a sports amusement electronic instrument field especially relates to a foot action sensing device and sports equipment.
Background
The existing foot motion sensing device generally needs to be provided with a large number of pressure sensors, the foot motion conditions are sensed by the large number of pressure sensors, and the mode of adopting the large number of pressure sensors has high manufacturing cost and high cost.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims at providing a foot action sensing device and sports equipment, it has the advantage that reduces sensor setting quantity, with low costs.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
according to a first aspect of the embodiments of the present application, there is provided a foot motion sensing apparatus comprising a central key position sensor, a plurality of edge key position sensors arranged around the central key position sensor, and a signal detection circuit, the central key position sensor and the plurality of edge key position sensors each being electrically connected to the signal detection circuit; the central key position sensor and the edge key position sensor are internally provided with an electrode layer, an isolation layer and a resistance layer; the electrode layer and the resistive layer are separated by the separator layer; when pressure acts on the foot action sensing device, the electrode layer is in contact with the resistance layer, and the signal detection circuit obtains a foot action sensing signal.
Compared with the prior art, the foot action sensing device induces the acting force of different treading areas of the user through the central key position sensor and the plurality of edge key position sensors, increases the treading induction range and is convenient for different people to use. The electrode layer and the resistance layer are mutually contacted under the action of pressure, and the signal detection circuit detects foot action sensing signals according to the change of the resistance value on the resistance layer, so that a large number of sensors are not required to be arranged, and the cost is saved.
Further, the signal detection circuit includes a plurality of signal sampling circuits, central key position sensor and each the edge key position sensor is connected to one respectively one-to-one signal sampling circuit, and is a plurality of signal sampling circuit independently detects foot action sensing signal, has improved the sensitivity of detection, is convenient for maintain simultaneously.
Further, the central key position sensor comprises a plurality of signal transmission interfaces corresponding to the edge key position sensors and a connector; the plurality of edge key position sensors are respectively connected to the central key position sensor through the signal transmission interface and are electrically connected to the signal detection circuit through the central key position sensor; the edge key position sensors are detachably connected with the central key position sensor through the connectors respectively. Adopt the detachable connector, it is convenient right foot action device's accomodation and maintenance.
Further, central key position sensor includes central sensing area, edge wiring area and total interface, central sensing area is provided with the electrode layer the isolation layer with the resistance layer, edge wiring area is provided with each the signal transmission line of edge key position sensor, the signal transmission interface with the one end of signal transmission line is connected, total interface with the other end of signal transmission line is connected. The signal transmission lines of the plurality of edge key position sensors are arranged in the edge wiring area of the central key position sensor, so that the occupied space of line arrangement is reduced.
Furthermore, the electrode layer comprises a first strip electrode and a second strip electrode; first strip electrode is along the side of edge key position sensor is laid, and follows first strip electrode extends to have and is located same horizontal plane, and a plurality of that are parallel to each other second strip electrode has increased the response scope that the user trampled, has improved the sensitivity that foot's action signal detected.
Further, a plurality of the second strip-shaped electrodes are arranged in parallel to one of the sides of the edge key position sensor.
Furthermore, the central key position sensor is polygonal, a third strip electrode is distributed on one diagonal line of the polygonal central key position sensor, and fourth strip electrodes are distributed on two sides of the third strip electrode along the sides of the polygon; a fifth strip electrode extending from the third strip electrode in parallel with the fourth strip electrode within the polygon; and a sixth strip electrode extending from the fifth strip electrode toward the fourth strip electrode is arranged between the fifth strip electrode and the fourth strip electrode, so that the stepping sensing range of a user is enlarged, and the foot action signal detection sensitivity is improved.
Further, the electrode layer comprises a positive electrode and a negative electrode, and the positive electrode and the negative electrode are positioned on the same horizontal plane and both face the resistance layer; the positive electrode and the negative electrode are distributed in a zigzag cross manner.
Furthermore, the signal sampling circuit comprises an operational amplifier, a current limiting resistor, a filter circuit and an electrostatic protector; the in-phase end of the operational amplifier is grounded, and the inverting end of the operational amplifier is connected with the electrode layer; the output end of the operational amplifier is connected with the first end of the current-limiting resistor; the filter circuit comprises a first capacitor and a second capacitor, wherein a first end of the first capacitor is connected with the electrode layer, a second end of the first capacitor is grounded, a first end of the second capacitor is connected with a second end of the current-limiting resistor, and a second end of the second capacitor is grounded; the first end of the electrostatic protector is connected with the electrode layer, and the second end of the electrostatic protector is grounded. The operational amplifier amplifies the change of the resistance value by a preset multiple, the sensitivity of detecting the change of the resistance is improved, the filter circuit filters an alternating current component in the circuit, the output direct current is smoother, and the electrostatic protector is used for guiding static electricity on the foot action sensing device into the ground to protect the circuit.
According to a second aspect of the embodiments of the present application, there is provided an exercise apparatus, comprising a display device, a control device, and the foot motion sensing device, wherein a signal output terminal of the foot motion sensing device is electrically connected to a signal input terminal of the control device, and the display device is electrically connected to a signal output terminal of the control device;
the foot action sensing device transmits the detected foot action signal to the control device through the signal detection circuit; the control device acquires motion scene data according to the motion type, responds to the foot motion signals of the foot motion sensing device, acquires response data, and inputs the response data and the motion scene data to the display device for displaying.
Drawings
FIG. 1 is a schematic structural diagram of a foot motion sensor device according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a signal detection circuit in the foot motion sensing apparatus according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a central key position sensor of the foot motion sensor device according to an embodiment of the present application;
FIG. 4 is a side view of the structure of the central key position sensor of the foot motion sensor device according to one embodiment of the present application;
FIG. 5 is a schematic structural diagram of an electrode layer in an edge key position sensor of a foot motion sensor device according to an embodiment of the present application;
FIG. 6 is a schematic structural diagram of an electrode layer in a central key position sensor of the foot motion sensor device according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a signal sampling circuit in the foot motion sensing device according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a sports apparatus according to an embodiment of the present application.
Detailed Description
The present application will be described in detail below with reference to the drawings and examples.
Example 1
Referring to fig. 1, said foot action sensing device 10 comprises a central key position sensor 20, a plurality of edge key position sensors 30 arranged around said central key position sensor 20 and a signal detection circuit 40, said central key position sensor 20 and said plurality of edge key position sensors 30 being electrically connected to said signal detection circuit 40. The central key position sensors 20 and the edge key position sensors 30 are all internally provided with an electrode layer, an isolation layer and a resistance layer, and the electrode layer and the resistance layer are separated by the isolation layer. When pressure acts on the foot motion sensing device 10, the electrode layer contacts the resistive layer, and the signal detection circuit 40 obtains a foot motion sensing signal.
The foot action sensing device 10 senses the acting force of different treading areas of the user through the central key position sensor 20 and the plurality of edge key position sensors 30, increases the treading sensing range and is convenient for different people to use. The electrode layer and the resistance layer are contacted with each other under the action of pressure, and the signal detection circuit 40 detects foot action sensing signals according to the change of the resistance value on the resistance layer, so that a large number of sensors are not required to be arranged, and the cost is saved.
In one embodiment, referring to fig. 2, the signal detection circuit 40 includes a plurality of signal sampling circuits 42, and the center key position sensors 20 and the edge key position sensors 30 are respectively connected to one of the signal sampling circuits 42 in a one-to-one correspondence. The plurality of signal sampling circuits 42 independently detect the foot motion sensing signals, so that the detection sensitivity is improved, and meanwhile, the maintenance is convenient.
In one embodiment, referring to fig. 3, the central key position sensor 20 includes a plurality of signal transmission interfaces 21 corresponding to the edge key position sensors 30 and connectors 22. The plurality of edge key position sensors 30 are connected to the central key position sensor 20 through the signal transmission interfaces 21, respectively, and are electrically connected to the signal detection circuit 40 through the central key position sensor 20. The plurality of edge key position sensors 30 are detachably connected to the central key position sensor 20 through the connectors 22, respectively. With the detachable connector 22, the foot actuator 10 can be easily stored and maintained.
In one embodiment, referring to fig. 3 and 4, the central key position sensor 20 includes a central sensing area 23, an edge routing area 24, and a global interface 25. The central sensing area 23 is provided with the electrode layer 232 the isolation layer 234 the resistance layer 236 and the back glue layer 238, the electrode layer 232 is the printing electrode of pressure-sensitive silver thick liquid, the resistance layer 236 is the resistance coating of carbon thick liquid, be covered with resistance on the resistance coating, the back glue layer 238 is double-sided adhesive layer, through double-sided adhesive layer realizes fixed between the inside multilayer structure of central transducer 20 avoids the inside multilayer structure of central transducer 20 takes place to drop or not hard up the phenomenon. The edge routing area 24 is provided with a signal transmission line 242 of each of the edge key sensors 30, the signal transmission interface 21 is connected with one end of the signal transmission line 242, and the total interface 25 is connected with the other end of the signal transmission line 242. The signal transmission lines 242 of the plurality of edge key sensors 30 are disposed in the edge routing region 24 of the center key sensor 20, reducing the wiring layout occupation space.
In one embodiment, the electrode layers of the central key position sensor and the edge key position sensors each include a positive electrode and a negative electrode, the positive electrode and the negative electrode are located on the same horizontal plane and both face the resistance layer, and the positive electrode and the negative electrode are distributed in a zigzag cross manner.
In one embodiment, referring to fig. 5, a first strip-shaped electrode 302 is laid on a side of the edge key position sensor 30, and a plurality of second strip-shaped electrodes 304 which are located on the same horizontal plane and are parallel to each other extend from the first strip-shaped electrode 302, so that the sensing range of stepping by the user is increased, and the sensitivity of detecting the foot motion signal is improved.
In one embodiment, the plurality of second strip-shaped electrodes 304 are arranged in parallel to one side of the edge key position sensor 30, so that the sensing range of stepping by a user is enlarged, and the sensitivity of foot action signal detection is improved.
In one embodiment, referring to fig. 6, the central key position sensor 20 is polygonal, a third strip electrode 202 is distributed on a diagonal line of the polygonal central key position sensor 20, and fourth strip electrodes 204 are distributed along the sides of the polygon on two sides of the third strip electrode 202. Within the polygon, a fifth strip electrode 206 extends from the third strip electrode 202 in parallel with the fourth strip electrode 204. Between the fifth strip electrode 206 and the fourth strip electrode 204, a sixth strip electrode 208 extending from the fifth strip electrode 206 toward the fourth strip electrode 204 increases the sensing range of stepping by the user, and improves the sensitivity of detecting the foot motion signal.
In one embodiment, referring to fig. 7, the signal sampling circuit 42 includes an operational amplifier 422, a current limiting resistor R1, a first constant resistor R2, a second constant resistor R3, a filter circuit, and an electrostatic protection device 424. The in-phase terminal of the operational amplifier 422 is grounded, the inverting terminal is connected to the electrode layer 232 through the second constant value resistor R3, the output terminal of the operational amplifier 422 is connected to the first terminal of the current limiting resistor R1, the first terminal of the first constant value resistor R2 is connected to the inverting terminal, and the second terminal of the first constant value resistor R2 is connected to the output terminal. The filter circuit comprises a first capacitor C1 and a second capacitor C2, wherein a first end of the first capacitor C1 is connected with the electrode layer 232, and a second end of the first capacitor C1 is grounded. The first end of the second capacitor C2 is connected to the second end of the current limiting resistor R1, and the second end of the second capacitor C2 is grounded. A first end of the electrostatic protector 424 is connected to the electrode layer 232, and a second end of the electrostatic protector 424 is grounded. The operational amplifier 422 amplifies the resistance change by a preset multiple, thereby improving the sensitivity of detecting the resistance change. The filter circuit filters out alternating current components in the circuit, so that output direct current is smoother. The electrostatic protector 424 is used to introduce static electricity on the foot motion sensor device 10 to the ground, thereby protecting the circuit.
Example 2
Referring to fig. 8, the present embodiment provides a sports apparatus 100, which includes a display device 110, a control device 120 and the foot motion sensor device 10, wherein a signal output end of the foot motion sensor device 10 is electrically connected to a signal input end of the control device 120, and the display device 110 is electrically connected to a signal output end of the control device 120.
Specifically, the foot motion sensor 10 transmits the detected foot motion signal to the control device 120 through the signal detection circuit 40, and the control device 120 acquires motion scene data according to the motion type, acquires response data in response to the foot motion signal of the foot motion sensor 10, and inputs the response data and the motion scene data to the display device 110 for displaying.
To sum up, the utility model discloses a central key position sensor 20 is with a plurality of the effort size of user's foot is received to edge key position sensor 30 to perception foot action signal has increased the response scope of trampling, and detects through signal detection circuit 40 foot action signal to need not to lay a large amount of sensors, practiced thrift the cost.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, to those skilled in the art, changes and modifications may be made without departing from the spirit of the invention, and it is intended that the invention also encompass such changes and modifications.
Claims (10)
1. A foot action sensing device, characterized in that: the foot action sensing device comprises a central key position sensor, a plurality of edge key position sensors and a signal detection circuit, wherein the edge key position sensors are arranged around the central key position sensor; the central key position sensor and the edge key position sensor are internally provided with an electrode layer, an isolation layer and a resistance layer; the electrode layer and the resistive layer are separated by the separator layer; when pressure acts on the foot action sensing device, the electrode layer is in contact with the resistance layer, and the signal detection circuit obtains a foot action sensing signal.
2. The foot motion sensing device according to claim 1, wherein: the signal detection circuit comprises a plurality of signal sampling circuits, and the central key position sensor and each edge key position sensor are respectively connected to one signal sampling circuit in a one-to-one correspondence manner.
3. The foot motion sensing device according to claim 1, wherein: the central key position sensor comprises a plurality of signal transmission interfaces corresponding to the edge key position sensors and a connector; the plurality of edge key position sensors are respectively connected to the central key position sensor through the signal transmission interface and are electrically connected to the signal detection circuit through the central key position sensor; the edge key position sensors are detachably connected with the central key position sensor through the connectors respectively.
4. The foot motion sensing device according to claim 1, wherein: the central key position sensor comprises a central sensing area, a edge wiring area and a main interface, wherein the central sensing area is provided with the electrode layer, the isolation layer and the resistance layer, the edge wiring area is provided with each signal transmission line of the edge key position sensor, the signal transmission interface is connected with one end of the signal transmission line, and the main interface is connected with the other end of the signal transmission line.
5. The foot motion sensing device according to claim 1, wherein: the electrode layer comprises a first strip electrode and a second strip electrode; the first strip-shaped electrodes are laid along the side edges of the edge key position sensors, and a plurality of second strip-shaped electrodes which are located on the same horizontal plane and are parallel to each other extend from the first strip-shaped electrodes.
6. The foot motion sensing device according to claim 5, wherein: the plurality of second strip-shaped electrodes are arranged in parallel to one side of the edge key position sensor.
7. The foot motion sensing device according to claim 1, wherein: the central key position sensor is polygonal, a third strip electrode is distributed on one diagonal line of the polygonal central key position sensor, and fourth strip electrodes are distributed on two sides of the third strip electrode along the sides of the polygon; a fifth strip electrode extending from the third strip electrode in parallel with the fourth strip electrode within the polygon; between the fifth strip electrode and the fourth strip electrode, a sixth strip electrode extending from the fifth strip electrode toward the fourth strip electrode.
8. The foot motion sensing device according to claim 1, wherein: the electrode layer comprises a positive electrode and a negative electrode which are positioned on the same horizontal plane and both face the resistance layer; the positive electrode and the negative electrode are distributed in a zigzag cross manner.
9. The foot motion sensing device according to claim 2, wherein: the signal sampling circuit comprises an operational amplifier, a current-limiting resistor, a filter circuit and an electrostatic protector; the in-phase end of the operational amplifier is grounded, and the reverse phase end of the operational amplifier is connected with the electrode layer; the output end of the operational amplifier is connected with the first end of the current-limiting resistor; the filter circuit comprises a first capacitor and a second capacitor, wherein a first end of the first capacitor is connected with the electrode layer, a second end of the first capacitor is grounded, a first end of the second capacitor is connected with a second end of the current-limiting resistor, and a second end of the second capacitor is grounded; the first end of the electrostatic protector is connected with the electrode layer, and the second end of the electrostatic protector is grounded.
10. Sports apparatus, comprising a display device, a control device and at least one foot motion sensor device according to any one of claims 1 to 9, wherein a signal output terminal of the foot motion sensor device is electrically connected to a signal input terminal of the control device, and the display device is electrically connected to a signal output terminal of the control device;
the foot action sensing device transmits the detected foot action signal to the control device through the signal detection circuit; the control device acquires motion scene data according to the motion type, responds to the foot motion signals of the foot motion sensing device, acquires response data, and inputs the response data and the motion scene data to the display device for displaying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121054623.9U CN215136748U (en) | 2021-05-17 | 2021-05-17 | Foot action sensing device and sports equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121054623.9U CN215136748U (en) | 2021-05-17 | 2021-05-17 | Foot action sensing device and sports equipment |
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| Publication Number | Publication Date |
|---|---|
| CN215136748U true CN215136748U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121054623.9U Active CN215136748U (en) | 2021-05-17 | 2021-05-17 | Foot action sensing device and sports equipment |
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| CN (1) | CN215136748U (en) |
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- 2021-05-17 CN CN202121054623.9U patent/CN215136748U/en active Active
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