CN216351854U - Gravity box for emitting voltage combination waves and training device - Google Patents
Gravity box for emitting voltage combination waves and training device Download PDFInfo
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- CN216351854U CN216351854U CN202122787802.XU CN202122787802U CN216351854U CN 216351854 U CN216351854 U CN 216351854U CN 202122787802 U CN202122787802 U CN 202122787802U CN 216351854 U CN216351854 U CN 216351854U
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Abstract
The utility model relates to a gravity box and a training device for emitting voltage combination waves, wherein the gravity box comprises: the pulse generator comprises a shell, a pulse generating plate and a power supply assembly; the pulse generating board is arranged in the shell and comprises a pulse generator and a signal acquisition interface connected with the pulse generator; the power supply assembly is arranged in the shell and is connected with the pulse generator. And a training device based on voltage combination wave comprises: a gravity box and a wearable device and a portable smart device that interact with the gravity box, respectively. The gravity box provided by the utility model can collect sign information including electrocardio and sweat in real time, output a voltage combined waveform acting on the surface of a human body, and realize training and health management of a user by interacting with wearable equipment and portable intelligent equipment. Therefore, the gravity box has the characteristics of high function integration level, automatic data configuration, simple operation and easy popularization.
Description
Technical Field
The utility model relates to the technical field of training equipment, in particular to a gravity box for emitting voltage combination waves and a training device.
Background
In recent years, some training and health management aiming at human bodies by applying voltage combination waveforms appear, the existing voltage waveforms applied to human body training mostly adopt waveforms with specified frequency, width, strength and the like, or the data are manually adjusted, the mode can achieve certain effect, but the required data cannot be adjusted in real time, the adjustment process is complicated, meanwhile, corresponding adjustment is not made aiming at human body sign conditions, and therefore development and popularization of the training device of the voltage combination waveforms are greatly hindered.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In view of the above disadvantages and shortcomings of the prior art, the present invention provides a gravity box and a training device for emitting a voltage combined wave, which solves the technical problem that the voltage waveform of the application and the human body training cannot be adjusted at any time according to the human body physical sign.
(II) technical scheme
In order to achieve the purpose, the utility model adopts the main technical scheme that:
in one aspect, an embodiment of the present invention provides a gravity box for emitting a voltage combination wave, the gravity box including: the pulse generator comprises a shell, a pulse generating plate and a power supply assembly;
the pulse generating board is arranged in the shell and comprises a pulse generator and a signal acquisition interface connected with the pulse generator; the signal acquisition interface is used for accessing an electrocardio sensor, a sweat sensor and various physical sign sensors;
the power supply assembly is arranged in the shell and is connected with the pulse generator.
Optionally, the pulse generator comprises;
the controller is used for converting the physical sign signals acquired through the signal acquisition interface into level signals;
a multi-stage boost circuit for providing a multi-stage voltage to the push-pull control circuit;
a push-pull control circuit for generating a pulse signal according to the level signal;
the controller, the multistage booster circuit and the push-pull control circuit are connected in sequence, and the controller and the multistage booster circuit are connected with the power supply assembly.
Optionally, the push-pull control circuit comprises: a plurality of identical push-pull control sub-circuits;
the push-pull control sub-circuit comprises: a twenty-fourth resistor, a twenty-fifth resistor, a twenty-eighth resistor, a twenty-ninth resistor, a thirty-eighth resistor, a thirty-ninth resistor, a forty-second resistor, a forty-third resistor, a forty-sixth resistor, a forty-seventh resistor, a fifty-second resistor, a fifty-third resistor, a sixty-first resistor, a sixty-fourth resistor, a sixty-fifth resistor, a first triode, a second triode, a fifth triode, a sixth triode, a ninth triode, a thirteenth diode, a fourteenth triode, a ninth diode, and an eleventh diode;
one end of the twenty-fourth resistor is connected with the controller, the other end of the twenty-fourth resistor is simultaneously connected with one end of the twenty-eighth resistor and the base electrode of the first triode, and the other end of the twenty-eighth resistor and the emitter electrode of the first triode are both grounded; a collector of the first triode is connected with one end of the sixty resistor, the other end of the sixty resistor is simultaneously connected with one end of a sixty-four resistor and a base electrode of the fourteenth triode, and the other end of the sixty-four resistor and an emitter of the fourteenth triode are both connected with a collector of the thirteenth triode; a collector of the fourteenth triode is grounded through the ninth diode and the eleventh diode in sequence;
one end of the thirty-eighth resistor is connected with the controller, the other end of the thirty-eighth resistor is simultaneously connected with one end of a forty-second resistor and the base of the fifth triode, and the other end of the forty-second resistor and the emitter of the fifth triode are both grounded; a collector of the fifth triode is connected with one end of a forty-sixth resistor, the other end of the forty-sixth resistor is simultaneously connected with one end of a fifty-second resistor and a base of the ninth triode, the other end of the fifty-second resistor and an emitter of the ninth triode are both connected with a collector of the thirteenth diode, and a collector of the ninth triode is grounded through the ninth diode and the eleventh diode in sequence;
one end of the twenty-fifth resistor is connected with the controller, the other end of the twenty-fifth resistor is simultaneously connected with one end of the twenty-ninth resistor and the base electrode of the second triode, and the other end of the twenty-ninth resistor and the emitting electrode of the second triode are both grounded; a collector of the second triode is connected with one end of the sixty-first resistor, and the other end of the sixty-first resistor is simultaneously connected with one end of the sixty-fifth resistor and a base electrode of the thirteenth triode;
one end of the thirty-ninth resistor is connected with the controller, the other end of the thirty-ninth resistor is simultaneously connected with one end of the forty-third resistor and the base electrode of the sixth triode, and the other end of the forty-third resistor and the emitter electrode of the sixth triode are both grounded; a collector of the sixth triode is connected with one end of a forty-seventh resistor, and the other end of the forty-seventh resistor is simultaneously connected with one end of the fifty-third resistor and a base of the thirteenth diode;
the other end of the fifty-third resistor, the emitter of the thirteenth diode, the other end of the sixty-fifth resistor and the emitter of the thirteenth triode are all connected with the input end of the multistage booster circuit.
Optionally, the housing includes a base and an upper cover disposed opposite to each other;
one side of the pulse generating plate is abutted to the base through the power supply assembly, and the other side of the pulse generating plate is abutted to the upper cover through the supporting assembly.
Optionally, one end of the pulse generation plate is provided with a charging port connected with the power supply assembly, and the other end of the pulse generation plate is provided with a locking switch connected with the support assembly.
Optionally, the pulse generating board is further provided with a serial interface connected with the pulse generator and a wired/wireless network communication module.
Optionally, the gravity cartridge further comprises: and the indicating lamp and the alarm loudspeaker are connected with the pulse generating board.
Optionally, the gravity box is further provided with a plurality of functional interfaces for supporting access to other intelligent devices, where the other intelligent devices include a mobile phone, a tablet computer, and a wireless PDA.
Optionally, the power supply component is a lithium battery.
In another aspect, an embodiment of the present invention provides a training apparatus based on a voltage combination wave, including: the gravity box, and the wearable device and the portable intelligent device which are respectively connected with the gravity box;
the gravity box determines a voltage combined waveform acting on the surface of the human body according to the physical sign data collected by the wearable device and the instruction of the portable intelligent device, and acts the generated voltage combined waveform on the surface of the human body through the wearable device.
(III) advantageous effects
The utility model has the beneficial effects that: the gravity box provided by the utility model can collect information containing electrocardio and sweat in real time, output voltage combined waveforms acting on the surface of a human body, and realize training and health management of a user by interacting with wearable equipment and portable intelligent equipment. Therefore, the gravity box has the characteristics of high function integration level, automatic data configuration, simple operation and easy popularization.
Drawings
FIG. 1 is a schematic diagram of a gravity box for launching a voltage combination wave according to an embodiment of the present invention;
FIG. 2 is a circuit block diagram of a gravity box controller for launching a voltage combination wave in accordance with an embodiment of the present invention;
FIG. 3 is a circuit diagram of a first stage boost circuit of a gravity box for launching a voltage combination wave according to an embodiment of the present invention;
FIGS. 4a, 4b, 4c, and 4d are all second stage boost circuits for a gravity box for generating a combined voltage wave according to embodiments of the present invention;
FIGS. 5a, 5b, 5c, and 5d are push-pull control sub-circuits for a gravity box for launching a voltage combination wave, according to embodiments of the present invention;
FIG. 6 is a top view of a gravity box pulse generator plate for generating a voltage combination wave in accordance with an embodiment of the present invention;
FIG. 7 is a bottom view of a pulse generator plate for a gravity box for generating a voltage combination wave in accordance with an embodiment of the present invention;
fig. 8 is a schematic composition diagram of a training apparatus based on a voltage combination wave according to an embodiment of the present invention.
[ description of reference ]
1: a charging port;
2: locking the switch;
3: an indicator light;
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
As shown in FIG. 1, a gravity box for launching a voltage combination wave according to an embodiment of the present invention includes: the pulse generator comprises a shell, a pulse generating plate and a power supply assembly; the pulse generating board is arranged in the shell and comprises a pulse generator and a signal acquisition interface connected with the pulse generator; the signal acquisition interface is used for accessing an electrocardio sensor, a sweat sensor and various physical sign sensors; the power supply assembly is arranged in the shell and is connected with the pulse generator.
The gravity box provided by the utility model can collect information containing electrocardio and sweat in real time, output voltage combined waveforms acting on the surface of a human body, and realize training and health management of a user by interacting with wearable equipment and portable intelligent equipment. Therefore, the gravity box has the characteristics of high function integration level, automatic data configuration, simple operation and easy popularization.
For a better understanding of the above-described technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the utility model are shown in the drawings, it should be understood that the utility model can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
Wherein, the physical sign sensor comprises a body temperature sensor, a blood pressure sensor, a blood oxygen sensor, an electrocardio sensor and a sweat sensor.
Then, the pulse generator includes; the controller is used for converting the physical sign signals acquired through the signal acquisition interface into level signals; a multi-stage boosting circuit for supplying a multi-stage voltage to the push-pull control circuit; a push-pull control circuit for generating a pulse signal according to the level signal; the controller, the multistage booster circuit and the push-pull control circuit are connected in sequence, and the controller and the multistage booster circuit are connected with the power supply assembly.
Further, as shown in fig. 2, the controller employs an STM32F101 chip.
Further, the multi-stage boosting circuit includes: the first-stage booster circuit and the second-stage booster circuit are connected in sequence; as shown in fig. 3, the first stage boost circuit employs an EA2208 chip to boost the input voltage of the power supply component to VCC 6V. As shown in fig. 4a, 4b, 4c, and 4d, the second stage of the boost circuit employs MP3425, the normal output voltage of the second stage of the boost circuit is 5.6V, the voltage is gradually increased by adjusting the pulse width of CTRL15, and the maximum voltage is 50V, and CTRL15 is set as push-pull output first when initialized.
Further, as shown in fig. 5a, 5b, 5c and 5d, the push-pull control circuit includes: a plurality of identical push-pull control sub-circuits, preferably four push-pull control sub-circuits, are specifically explained below with reference to the structure of fig. 5a, and the circuit structure of the push-pull control sub-circuits includes: a twenty-fourth resistor, a twenty-fifth resistor, a twenty-eighth resistor, a twenty-ninth resistor, a thirty-eighth resistor, a thirty-ninth resistor, a forty-second resistor, a forty-third resistor, a forty-sixth resistor, a forty-seventh resistor, a fifty-second resistor, a fifty-third resistor, a sixty-first resistor, a sixty-fourth resistor, a sixty-fifth resistor, a first triode, a second triode, a fifth triode, a sixth triode, a ninth triode, a thirteenth diode, a fourteenth triode, a ninth diode, and an eleventh diode.
One end of the twenty-fourth resistor is connected with the controller, the other end of the twenty-fourth resistor is simultaneously connected with one end of the twenty-eighth resistor and the base electrode of the first triode, and the other end of the twenty-eighth resistor and the emitting electrode of the first triode are both grounded; a collector of the first triode is connected with one end of a sixty-fourth resistor, the other end of the sixty-fourth resistor is simultaneously connected with one end of a sixty-fourth resistor and a base electrode of the fourteenth triode, and the other end of the sixty-fourth resistor and an emitter of the fourteenth triode are both connected with a collector of the thirteenth triode; and the collector of the fourteenth triode is grounded through the ninth diode and the eleventh diode in sequence.
One end of a thirty-eighth resistor is connected with the controller, the other end of the thirty-eighth resistor is simultaneously connected with one end of a forty-second resistor and the base electrode of the fifth triode, and the other end of the forty-second resistor and the emitter electrode of the fifth triode are both grounded; the collector of the fifth triode is connected with one end of a forty-sixth resistor, the other end of the forty-sixth resistor is simultaneously connected with one end of a fifty-second resistor and the base of the ninth triode, the other end of the fifty-second resistor and the emitter of the ninth triode are both connected with the collector of the thirteenth triode, and the collector of the ninth triode is sequentially grounded through the ninth diode and the eleventh diode.
One end of the twenty-fifth resistor is connected with the controller, the other end of the twenty-fifth resistor is simultaneously connected with one end of the twenty-ninth resistor and the base electrode of the second triode, and the other end of the twenty-ninth resistor and the emitting electrode of the second triode are both grounded; and the collector of the second triode is connected with one end of the sixty-first resistor, and the other end of the sixty-first resistor is simultaneously connected with one end of the sixty-fifth resistor and the base of the thirteenth triode.
One end of a thirty-ninth resistor is connected with the controller, the other end of the thirty-ninth resistor is simultaneously connected with one end of a forty-third resistor and the base electrode of the sixth triode, and the other end of the forty-third resistor and the emitter electrode of the sixth triode are both grounded; and the collector of the sixth triode is connected with one end of a forty-seventh resistor, and the other end of the forty-seventh resistor is simultaneously connected with one end of a fifty-third resistor and the base of the thirteenth diode.
The other end of the fifty-third resistor, the emitter of the thirteenth diode, the other end of the sixty-fifth resistor and the emitter of the thirteenth triode are all connected with the input end of the multistage booster circuit.
The shell comprises a base and an upper cover which are oppositely arranged; one side of the pulse generating plate is abutted to the base through a power supply assembly, and the other side of the pulse generating plate is abutted to the upper cover through a supporting assembly.
Referring to the push-pull control sub-circuit of fig. 5a, the specific control flow is as follows: different signals (high level/low level) are provided at one end of the twenty-fourth resistor and one end of the twenty-fifth circuit, the P31 and the P32 are controlled to have different signal outputs, and the output voltage of the mp3425 chip in the graph of FIG. 4a is adjusted to further control the thirteenth polar tube and the thirteenth polar tube to generate corresponding pulse signals at the P31 and the P32 respectively.
As shown in fig. 6, one end of the pulse generating plate is provided with a charging port 1 connected to the power supply module, and the other end of the pulse generating plate is provided with a locking switch 2 connected to the support module.
As shown in fig. 7, the gravity cartridge further includes: an indicator light 3 and an alarm loudspeaker which are connected with the pulse generating board.
And the gravity box is also provided with a plurality of support function interfaces, and can be accessed into other intelligent equipment through the function interfaces.
Preferably, the power supply component is a lithium battery.
In addition, as shown in fig. 8, the present invention also provides a training device based on a voltage combination wave, comprising: the gravity box, the wearable device and the portable intelligent device are respectively connected with the gravity box in a communication mode. The gravity box is connected with wearable equipment, and simultaneously integrates data detection and analysis such as physical signs, electrocardio, sweat and the like and instructions of portable intelligent equipment to determine a voltage waveform combination form acting on the surface of a human body; the voltage waveform combination output refers to that the combination of different waveform frequencies, widths and intensities is called as gravitational pulse, namely, the waveforms of the voltage pulse are combined and output according to the needs; the application of the voltage waveform combination to human health is a process of generating voltage waveform combination aiming at various body conditions; the communication connection mode comprises GSM, GRRS, EDGE, CDMA1X, CDMA2000, WCDMA, TDS-CDMA, WIFI, Bluetooth, a wireless communication module and an Internet of things module.
The wearable device comprises one or more of a hat, clothes, ornaments and a watch in any combination; the portable intelligent device comprises a mobile phone, a tablet computer and the like.
In summary, the present invention provides a gravity box and a training device for emitting voltage combination waves, wherein the gravity box of the present invention is an integrated device, and the device can be used for accessing sensors such as physical signs, electrocardio, sweat, etc. to analyze body conditions, and simultaneously, the device can be used for automatically generating and combining voltage waveforms, and storing, analyzing, transmitting, etc. the collected data such as physical signs, electrocardio, sweat, etc. The gravity box transmits the collected data information to the portable intelligent equipment through the serial interface and the wired/wireless network, simultaneously receives the analysis result and the instruction of the portable intelligent equipment, and performs voltage combination waveforms with different frequencies, widths and strengths to enable the voltage combination waveforms to act on the surface of a human body through the wearable equipment, so that the management of human health and training is realized.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.
Claims (10)
1. A gravity box for launching a voltage combination wave, the gravity box comprising: the pulse generator comprises a shell, a pulse generating plate and a power supply assembly;
the pulse generating board is arranged in the shell and comprises a pulse generator and a signal acquisition interface connected with the pulse generator; the signal acquisition interface is used for accessing the physical sign sensor;
the power supply assembly is arranged in the shell and is connected with the pulse generator.
2. The gravity box for launching a voltage combination wave of claim 1, wherein the pulse generator includes;
the controller is used for converting the physical sign signals acquired through the signal acquisition interface into level signals;
a multi-stage boosting circuit for supplying a multi-stage voltage to the push-pull control circuit;
a push-pull control circuit for generating a pulse signal according to the level signal;
the controller, the multistage booster circuit and the push-pull control circuit are connected in sequence, and the controller and the multistage booster circuit are connected with the power supply assembly.
3. The gravity box for launching a voltage combination wave according to claim 2, wherein the push-pull control circuit comprises: a plurality of identical push-pull control sub-circuits;
the push-pull control sub-circuit comprises: a twenty-fourth resistor, a twenty-fifth resistor, a twenty-eighth resistor, a twenty-ninth resistor, a thirty-eighth resistor, a thirty-ninth resistor, a forty-second resistor, a forty-third resistor, a forty-sixth resistor, a forty-seventh resistor, a fifty-second resistor, a fifty-third resistor, a sixty-first resistor, a sixty-fourth resistor, a sixty-fifth resistor, a first triode, a second triode, a fifth triode, a sixth triode, a ninth triode, a thirteenth triode, a fourteenth triode, a ninth diode, and an eleventh diode;
one end of the twenty-fourth resistor is connected with the controller, the other end of the twenty-fourth resistor is simultaneously connected with one end of the twenty-eighth resistor and the base electrode of the first triode, and the other end of the twenty-eighth resistor and the emitter electrode of the first triode are both grounded; a collector of the first triode is connected with one end of the sixty resistor, the other end of the sixty resistor is simultaneously connected with one end of a sixty-four resistor and a base electrode of the fourteenth triode, and the other end of the sixty-four resistor and an emitter of the fourteenth triode are both connected with a collector of the thirteenth triode; a collector of the fourteenth triode is grounded through the ninth diode and the eleventh diode in sequence;
one end of the thirty-eighth resistor is connected with the controller, the other end of the thirty-eighth resistor is simultaneously connected with one end of a forty-second resistor and the base of the fifth triode, and the other end of the forty-second resistor and the emitter of the fifth triode are both grounded; a collector of the fifth triode is connected with one end of a forty-sixth resistor, the other end of the forty-sixth resistor is simultaneously connected with one end of a fifty-second resistor and a base of the ninth triode, the other end of the fifty-second resistor and an emitter of the ninth triode are both connected with a collector of the thirteenth diode, and a collector of the ninth triode is grounded through the ninth diode and the eleventh diode in sequence;
one end of the twenty-fifth resistor is connected with the controller, the other end of the twenty-fifth resistor is simultaneously connected with one end of the twenty-ninth resistor and the base electrode of the second triode, and the other end of the twenty-ninth resistor and the emitting electrode of the second triode are both grounded; a collector of the second triode is connected with one end of the sixty-first resistor, and the other end of the sixty-first resistor is simultaneously connected with one end of the sixty-fifth resistor and a base electrode of the thirteenth triode;
one end of the thirty-ninth resistor is connected with the controller, the other end of the thirty-ninth resistor is simultaneously connected with one end of the forty-third resistor and the base electrode of the sixth triode, and the other end of the forty-third resistor and the emitter electrode of the sixth triode are both grounded; a collector of the sixth triode is connected with one end of a forty-seventh resistor, and the other end of the forty-seventh resistor is simultaneously connected with one end of the fifty-third resistor and a base of the thirteenth diode;
the other end of the fifty-third resistor, the emitter of the thirteenth diode, the other end of the sixty-fifth resistor and the emitter of the thirteenth triode are all connected with the input end of the multistage booster circuit.
4. The gravity box for launching a combination of voltage waves of claim 1, wherein the housing includes a base and a top cover disposed opposite each other;
one side of the pulse generating plate is abutted to the base through the power supply assembly, and the other side of the pulse generating plate is abutted to the upper cover through the supporting assembly.
5. The gravity box for launching a voltage combination wave of claim 4, wherein one end of the pulse generating plate is provided with a charging port connected to the power supply assembly and the other end of the pulse generating plate is provided with a locking switch connected to the support assembly.
6. The gravity box for launching a voltage combination wave of claim 1, wherein the pulse generator board is further provided with a serial interface connected to the pulse generator and a wired/wireless network communication module.
7. The gravity box for launching a voltage combination wave of claim 1, further comprising: and the indicating lamp and the alarm loudspeaker are connected with the pulse generating board.
8. The gravity box for launching a voltage combination wave according to claim 1, wherein the gravity box is further provided with a plurality of functional interfaces that support access to other smart devices, including cell phones, tablets, and wireless PDAs.
9. The gravity box for launching a voltage combination wave of any one of claims 1-8, wherein the power supply component is a lithium battery.
10. A training device based on a voltage combination wave, comprising: the gravity box, the wearable device, and the portable smart device of any one of claims 1-9; the gravity box interacts with the wearable device and the portable smart device, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122787802.XU CN216351854U (en) | 2021-11-15 | 2021-11-15 | Gravity box for emitting voltage combination waves and training device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122787802.XU CN216351854U (en) | 2021-11-15 | 2021-11-15 | Gravity box for emitting voltage combination waves and training device |
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| CN216351854U true CN216351854U (en) | 2022-04-19 |
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| CN202122787802.XU Active CN216351854U (en) | 2021-11-15 | 2021-11-15 | Gravity box for emitting voltage combination waves and training device |
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