CN215961796U - Handheld device protection device with electrotherapy massage function - Google Patents
Handheld device protection device with electrotherapy massage function Download PDFInfo
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- CN215961796U CN215961796U CN202121906295.0U CN202121906295U CN215961796U CN 215961796 U CN215961796 U CN 215961796U CN 202121906295 U CN202121906295 U CN 202121906295U CN 215961796 U CN215961796 U CN 215961796U
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Abstract
The application discloses handheld device protection device with electrotherapy massage function sets up the electrode through the position of gripping at the device body that is used for parcel protection handheld device, will be used for the controller of control electrode output, the power supply circuit encapsulation in the device body of electro photoluminescence output circuit and being used for the power supply to constitute a handheld device protection device with electrotherapy massage function, make the user can obtain the electrotherapy massage when gripping the handheld device under by the device parcel, alleviate the hand discomfort that long-time gripping equipment caused. And the handheld device protection device with electrotherapy massage function that this application provided only need reform transform the protection device body and can realize, conveniently carry and use, do not cause extra burden to compare in reforming transform handheld device and realize more easily and promote.
Description
Technical Field
The application relates to the technical field of electronic equipment, in particular to a handheld equipment protection device with an electrotherapy massage function.
Background
Smart handheld devices such as mobile phones, tablet computers, electronic books and the like have become indispensable tools in daily life. People often spend a great deal of daily time on the handheld devices, and the problems of poor blood circulation of hands, aching muscles of hands and the like are caused unconsciously. So technicians propose to add an electrotherapy function module on the device to enable users to obtain the electrical stimulation therapy while holding the device. However, the smart device with the electrotherapy function is not easy to popularize, and needs to be combined with a special mobile phone, so that the realization is complex.
The technical problem to be solved by technical personnel in the field is to provide a scheme which is easy to realize and popularize and can relieve hand discomfort caused by long-time holding of equipment by a user.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a handheld device protection device with electrotherapy massage function can alleviate the user and hold the hand discomfort that equipment caused for a long time, and changes realization, popularization in the smart machine that has electrotherapy function relatively.
In order to solve the above technical problem, the present application provides a protection device for a handheld device with electrotherapy massage function, comprising: the device comprises a device body for wrapping and protecting the handheld equipment, at least one pair of electrodes, an electrical stimulation output circuit, a controller and a power supply circuit;
the electrode is arranged at the holding part of the device body, and the electrical stimulation output circuit, the controller and the power supply circuit are all packaged in the device body;
the output end of the electrical stimulation output circuit is connected with the electrode, the output end of the controller is connected with the control end of the electrical stimulation output circuit, and the output end of the power supply circuit is respectively connected with the power supply end of the controller and the power supply end of the electrical stimulation output circuit.
Optionally, two of the electrodes in the pair of electrodes are respectively disposed on two outer side edges of the device body;
and the positive electrode of the pair of electrodes is connected with the output end of the electrical stimulation output circuit, and the negative electrode of the pair of electrodes is grounded.
Optionally, the electrical stimulation output circuit is specifically an operational amplifier circuit;
the input end of the operational amplification circuit is connected with the digital-to-analog conversion output end of the controller, the output end of the operational amplification circuit is connected with the positive electrode in the electrode, and the negative electrode in the electrode is grounded.
Optionally, the electrical stimulation output circuit specifically includes an operational amplifier circuit and a voltage follower circuit;
the input end of the operational amplifier circuit is connected with the digital-to-analog conversion output end of the controller, the output end of the operational amplifier circuit is connected with the input end of the voltage follower circuit, the output end of the voltage follower circuit is connected with the positive electrode of the electrode, and the negative electrode of the electrode is grounded.
Optionally, the operational amplifier circuit specifically includes a first operational amplifier, a first resistor, a second resistor, and a third resistor;
the first end of the second resistor is connected with the digital-to-analog conversion output end of the controller, the second end of the second resistor is connected with the positive input end of the first operational amplifier, the first end of the first resistor is grounded, the second end of the first resistor and the first end of the third resistor are connected with the negative input end of the first operational amplifier, the second end of the third resistor is connected with the output end of the first operational amplifier, and the output end of the first operational amplifier is the output end of the operational amplifier circuit.
Optionally, the voltage follower circuit specifically includes: a second operational amplifier and a fourth resistor;
the positive input end of the second operational amplifier is the input end of the voltage follower circuit, the negative input end of the second operational amplifier and the output end of the second operational amplifier are connected with the first end of the fourth resistor, and the second end of the fourth resistor is connected with the positive electrode of the electrode.
Optionally, the device further comprises a transient diode;
the first end of the transient diode is connected with the output end of the second operational amplifier, and the second end of the transient diode is grounded.
Optionally, the power supply circuit specifically includes a rechargeable battery and a power supply conversion circuit; the output end of the rechargeable battery is connected with the power supply end of the controller and the power supply end of the electrical stimulation output circuit respectively, the output end of the power supply conversion circuit is connected with the charging end of the rechargeable battery, and the input end of the power supply conversion circuit is a universal serial bus interface.
Optionally, the method further includes: an input device connected to the controller;
the controller is used for controlling the output voltage of the electrical stimulation output circuit according to the input signal of the input device.
Optionally, the input device is specifically a key switch circuit.
The application provides a handheld device protection device with electrotherapy massage function, through the position of gripping at the device body that is used for parcel protection handheld device sets up the electrode, will be used for the controller of control electrode output, the power supply circuit encapsulation in the device body of electro photoluminescence output circuit and be used for the power supply, thereby constitute a handheld device protection device with electrotherapy massage function, make the user can obtain the electrotherapy massage when gripping the handheld device under the device parcel, alleviate the hand discomfort that long-time gripping equipment caused. And the handheld device protection device with electrotherapy massage function that this application provided only need reform transform the protection device body and can realize, conveniently carry and use, do not cause extra burden to compare in reforming transform handheld device and realize more easily and promote.
Drawings
In order to more clearly illustrate the embodiments of the present application, the drawings needed for the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.
FIG. 1 is a schematic structural diagram of a handheld device protection device with electrotherapy massage function according to an embodiment of the present application;
FIG. 2 is a schematic front view of a hand-held device protection apparatus with electrotherapy massage function according to an embodiment of the present application;
FIG. 3 is a schematic rear view of a hand-held device protection apparatus with electrotherapy massage function according to an embodiment of the present application;
fig. 4 is a circuit diagram of an electrical stimulation output circuit according to an embodiment of the present application;
fig. 5 is a schematic diagram illustrating an unopened state of a key device according to an embodiment of the present disclosure;
FIG. 6 is a schematic diagram illustrating an open state of the key device shown in FIG. 5;
wherein, 102 is an electrode, 103 is an electrical stimulation output circuit, 104 is a controller, 105 is a power supply circuit, 106 is an input device, 301 is a flexible flat cable, 302 is a reserved hole site for a camera, 303 is a reserved hole site for a volume key, 304 is a reserved hole site for an equipment charging port, 305 is a reserved hole site for a power supply key, 306 is a button, and 307 is a device body.
Detailed Description
The core of this application is to provide a handheld device protection device with electrotherapy massage function, can alleviate the user and hold the hand discomfort that equipment caused for a long time, and change realization, popularization in the smart machine that has electrotherapy function relatively.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application shall fall within the scope of protection of the present application without any inventive effort.
FIG. 1 is a schematic structural diagram of a handheld device protection device with electrotherapy massage function according to an embodiment of the present application; FIG. 2 is a schematic front view of a hand-held device protection apparatus with electrotherapy massage function according to an embodiment of the present application; fig. 3 is a schematic back view of a handheld device protection device with electrotherapy massage function according to an embodiment of the present application.
As shown in FIG. 1, the handheld device protection device with electrotherapy massage function provided by the embodiment of the application comprises: a device body 307 for wrapping and protecting the handheld device, at least one pair of electrodes 101, an electrical stimulation output circuit 102, a controller 103 and a power supply circuit 104;
wherein, the electrode 101 is arranged at the holding part of the device body 307, and the electrical stimulation output circuit 102, the controller 103 and the power supply circuit 104 are all packaged in the device body 307;
the output end of the electrical stimulation output circuit 102 is connected with the electrode 101, the output end of the controller 103 is connected with the control end of the electrical stimulation output circuit 102, and the output end of the power supply circuit 104 is respectively connected with the power supply end of the controller 103 and the power supply end of the electrical stimulation output circuit 102.
In the embodiments of the present application, the side close to the handheld device after being mounted on the handheld device is defined as the front surface of the apparatus main body 307, the side opposite to the front surface is defined as the back surface, and the left side surface, the right side surface, the upper side surface, and the lower side surface of the apparatus main body 307 are defined in the direction in which the front surface faces the user.
In a specific implementation, in order to form an electrical stimulation loop, a positive electrode of the pair of electrodes 101 may be connected to an output terminal of the electrical stimulation output circuit 102, and a negative electrode of the pair of electrodes is grounded, so that a loop is formed through the electrical stimulation output circuit 102, the positive electrode, the negative electrode and the hand of the user, and an effect of performing electrical stimulation treatment on the hand of the user is achieved. A plurality of pairs of electrodes 101 may be provided corresponding to a plurality of gripping portions, or only one pair of electrodes 101 may be provided.
For example, for a mobile phone, a user often holds the left and right sides of the mobile phone, two electrodes 101 of a pair of electrodes 101 may be respectively disposed on two outer sides of the device body 307; the positive electrode of the pair of electrodes 101 is connected to the output terminal of the electrical stimulation output circuit 102, and the negative electrode of the pair of electrodes 101 is grounded. As shown in fig. 2, each of the two electrodes 101 may be a strip-shaped electrode sheet, which includes a positive electrode and a negative electrode, and is embedded in the frame of the device body 307 and integrally designed with the frame. If a plurality of pairs of electrodes 101 are provided, as shown in fig. 2, in the area where the strip-shaped electrode sheet is located, the positive electrode may be inserted into one side frame of the device body 307, and the negative electrode may be inserted into the other side frame of the device body 307. When a user holds the mobile phone, the hand can contact the pair of electrode plates at the same time, and then the electric signal can pass through the whole palm to generate electric stimulation to the hand of the user.
In the case of a large-sized handheld device such as a tablet or an electronic book, a user usually holds the handheld device with a palm, and then inserts the positive electrode and the negative electrode of the pair of electrodes 101 into the side of the device body 307 and the back of the device body 307, respectively.
Fig. 3 is a perspective view. As shown in fig. 3, the electrical stimulation output circuit 102, the controller 103, and the power circuit 104 are all packaged in the device body 307, and may be specifically packaged on the surface of the front surface of the device body 307, or may be packaged inside the device body 307. The output end of the electrical stimulation output circuit 102 and the ground line may be connected to the electrode 101 through a flexible flat cable 301 embedded in the device body 307.
In addition, as shown in fig. 2 and 3, the device body 307 may further include a reserved camera hole 302, a reserved volume key hole 303 (or a corresponding key film), a reserved device charging port hole 304, a reserved power key hole 305 (or a corresponding key film), and other reserved key holes.
The back shell of the device body 307 may be made of hard plastic or hard silicone, thereby effectively protecting the handheld device and the circuit packaged in the device body 307. The frame part of the device body 307 can be made of soft rubber or silica gel, so that the frame of the handheld device can be conveniently attached to well protect the handheld device.
The controller 103 may employ a microprocessor MCU. The controller 103 is configured to control an output signal of the electrical stimulation output circuit 102, and may be specifically configured to regulate and control a waveform, a voltage, and a current intensity output by the electrical stimulation output circuit 102 under the limitation of a maximum output voltage. The output waveforms of electrotherapy equipment include continuous wave, intermittent wave and density wave, and other waveforms can be set by user. The controller 103 outputs an analog signal to the electrical stimulation output circuit 102 through the digital-to-analog conversion port, so that the electrical stimulation output circuit 102 can output a waveform which is set in advance by a program in the controller 103.
Fig. 4 is a circuit diagram of an electrical stimulation output circuit according to an embodiment of the present application.
On the basis of the above embodiment, since the voltage output by the controller 103 is less than the voltage required by the electrode 101, the electrical stimulation output circuit 102 may specifically be an operational amplifier circuit;
the input end of the operational amplification circuit is connected with the digital-to-analog conversion output end DAC of the controller 103, the output end of the operational amplification circuit is connected with the positive electrode in the electrode 101, and the negative electrode in the electrode 101 is grounded.
In order to realize the safe isolation of the front and rear stages of the circuit and improve the loading capacity of the circuit, as shown in fig. 4, the electrical stimulation output circuit 102 specifically comprises an operational amplifier circuit and a voltage follower circuit;
the input end of the operational amplifier circuit is connected with the digital-to-analog conversion output end DAC of the controller 103, the output end of the operational amplifier circuit is connected with the input end of the voltage follower circuit, the output end of the voltage follower circuit is connected with the positive electrode in the electrode 101, and the negative electrode in the electrode 101 is grounded.
As shown in fig. 4, the operational amplifier circuit may specifically include a first operational amplifier U1A, a first resistor R1, a second resistor R2, and a third resistor R3;
a first end of the second resistor R2 is connected to a digital-to-analog conversion output DAC of the controller 103, a second end of the second resistor R2 is connected to a positive input terminal of the first operational amplifier U1A, a first end of the first resistor R1 is grounded, a second end of the first resistor R1 and a first end of the third resistor R3 are connected to a negative input terminal of the first operational amplifier U1A, a second end of the third resistor R3 is connected to an output terminal of the first operational amplifier U1A, and an output terminal of the first operational amplifier U1A is an output terminal of the operational amplifier circuit.
The voltage follower circuit may specifically include: a second operational amplifier U2B and a fourth resistor R4;
the positive input end of the second operational amplifier U2B is the input end of the voltage follower circuit, the negative input end of the second operational amplifier U2B and the output end of the second operational amplifier U2B are connected to the first end of the fourth resistor R4, and the second end of the fourth resistor R4 is connected to the positive electrode of the electrode 101.
In the electrical stimulation output circuit 102 shown in fig. 4, the first operational amplifier U1A performs voltage amplification, and the amplification factor may be set to 4 times. The second operational amplifier U2B has the functions of isolating the front and rear stages and improving the loading capacity of the circuit.
Further, as shown in fig. 4, the handheld device protecting apparatus with an electrotherapy massage function provided by the embodiment of the present application may further include: a transient diode D1; the first terminal of the transient diode D1 is connected to the output terminal of the second operational amplifier U2B, and the second terminal of the transient diode D1 is connected to ground. The transient diode D1 plays a role in protection and prevents the output voltage from being too large.
The parameters finally output to the electrode 101 by the electrical stimulation output circuit 102 are: the peak voltage should be no more than 12V and the current no more than 10 mA.
Based on the electrical stimulation output circuit 102 shown in fig. 4, a DAC signal is output by a digital-to-analog conversion output terminal DAC of the controller 103 to control the type and intensity of the output signal, the DAC signal enters an output terminal "OUT +", the "OUT +", and the "OUT-" are respectively connected with a positive electrode and a negative electrode of the pair of electrodes 101 after passing through an operational amplifier circuit and a voltage follower circuit, and the electrical stimulation signal finally reaches the "OUT-" from the "OUT +" after passing through the pair of electrodes 101 and a hand.
Fig. 5 is a schematic diagram illustrating an unopened state of a key device according to an embodiment of the present disclosure; fig. 6 is a schematic view illustrating an open state of the key device shown in fig. 5.
On the basis of the above embodiment, as shown in fig. 1, the handheld device protection apparatus with electrotherapy massage function provided by the embodiment of the present application may further include: an input device 105 connected to the controller 103;
the controller 103 is configured to control an output voltage of the electrical stimulation output circuit 102 according to an input signal of the input device 105.
In a specific implementation, the input device 105 may specifically employ a key switch circuit. The input terminal of the key switch circuit is embedded in the outer surface of the device body 307, and the output terminal of the key switch circuit is connected with the controller 103.
As shown in fig. 3, 5 and 6, the input of the keyswitch circuit may be configured as a button 306, the button 306 being configured to be turned on and off by a long press, and the intensity of the output waveform being adjusted by a short press, and the output waveform may be a continuous unidirectional pulse signal. The button 306 is flush with the outer surface of the device body 307 in a normal state (not turned on), and is lower than the surface of the device body 307 in a pressed state to prevent a user from touching the device by mistake.
In addition, a plurality of buttons 306 may be provided, and a maximum of one button 306 may be allowed to be pressed at the same time among the buttons 306. Each button 306 corresponds to a different type of output waveform.
On the basis of the above-described embodiment, the power supply circuit 104 may be based on a power supply circuit using a normal battery, and may be configured to convert the output voltage from the normal battery into a rated voltage of the controller 103, the electrical stimulation output circuit 102, or the like through a power conversion circuit to supply power.
In the handheld device protection device with electrotherapy massage function provided by the embodiment of the application, the power circuit 104 specifically comprises a rechargeable battery and a power conversion circuit; the output end of the rechargeable battery is connected to the power supply end of the controller 103 and the power supply end of the electrical stimulation output circuit 102, the output end of the power conversion circuit is connected to the charging end of the rechargeable battery, and the input end of the power conversion circuit is a Universal Serial Bus (USB) interface. The power conversion circuit can adopt an AMS1117 circuit, so that 5V power supply of the universal serial bus interface is converted into 3.3V power supply for the controller 103, and then 5V voltage is converted into 12V power supply for the electrical stimulation output circuit 102 through the LT1930A and the universal circuit.
Based On The power circuit 104, The protection device of The handheld device can be kept to provide electrical stimulation therapy for a certain time, and when The electric quantity of The rechargeable battery is insufficient, The rechargeable battery can be charged through a data line with a universal serial bus interface, or The handheld device with The function of OTG (On-The-Go, a technology applied to connection between different devices or mobile devices and used for data exchange) is connected to set an OTG mode to charge The rechargeable battery.
In order to facilitate charging, the handheld device protection device with the electrotherapy massage function provided by the embodiment of the application can further comprise an extension cable; the first end of the extension cable is connected to the input end of the power conversion circuit, and the second end of the extension cable may be a usb interface or an interface for connecting to a charging port of a handheld device corresponding to the device body 307. When not needing to charge, the extension cable can be coiled and put inside device body 307, when needs charge, the external opening through device body 307 pulls out the extension cable to reduce the inconvenience that the user looked for the charging wire.
The handheld device protecting device with electrotherapy massage function provided by the application is described in detail above. The embodiments are described in a progressive manner, the emphasis of each embodiment is different from that of other embodiments, and the same and similar parts among the embodiments are referred to each other.
It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. A hand-held device protection device with electrotherapy massage function, characterized by comprising: the device comprises a device body for wrapping and protecting the handheld equipment, at least one pair of electrodes, an electrical stimulation output circuit, a controller and a power supply circuit;
the electrode is arranged at the holding part of the device body, and the electrical stimulation output circuit, the controller and the power supply circuit are all packaged in the device body;
the output end of the electrical stimulation output circuit is connected with the electrode, the output end of the controller is connected with the control end of the electrical stimulation output circuit, and the output end of the power supply circuit is respectively connected with the power supply end of the controller and the power supply end of the electrical stimulation output circuit.
2. The hand-held instrument protection device of claim 1, wherein two electrodes of a pair of electrodes are respectively disposed on two outer lateral sides of the device body;
and the positive electrode of the pair of electrodes is connected with the output end of the electrical stimulation output circuit, and the negative electrode of the pair of electrodes is grounded.
3. The handheld device protection device according to claim 1, wherein the electrical stimulation output circuit is specifically an operational amplifier circuit;
the input end of the operational amplification circuit is connected with the digital-to-analog conversion output end of the controller, the output end of the operational amplification circuit is connected with the positive electrode in the electrode, and the negative electrode in the electrode is grounded.
4. The handheld device protection device according to claim 1, wherein the electrical stimulation output circuit specifically comprises an operational amplifier circuit and a voltage follower circuit;
the input end of the operational amplifier circuit is connected with the digital-to-analog conversion output end of the controller, the output end of the operational amplifier circuit is connected with the input end of the voltage follower circuit, the output end of the voltage follower circuit is connected with the positive electrode of the electrode, and the negative electrode of the electrode is grounded.
5. The protection device for handheld device according to claim 3 or 4, wherein the operational amplifier circuit comprises a first operational amplifier, a first resistor, a second resistor and a third resistor;
the first end of the second resistor is connected with the digital-to-analog conversion output end of the controller, the second end of the second resistor is connected with the positive input end of the first operational amplifier, the first end of the first resistor is grounded, the second end of the first resistor and the first end of the third resistor are connected with the negative input end of the first operational amplifier, the second end of the third resistor is connected with the output end of the first operational amplifier, and the output end of the first operational amplifier is the output end of the operational amplifier circuit.
6. The handheld device protection device of claim 4, wherein the voltage follower circuit comprises: a second operational amplifier and a fourth resistor;
the positive input end of the second operational amplifier is the input end of the voltage follower circuit, the negative input end of the second operational amplifier and the output end of the second operational amplifier are connected with the first end of the fourth resistor, and the second end of the fourth resistor is connected with the positive electrode of the electrode.
7. The handset protection device of claim 6, further comprising a transient diode;
the first end of the transient diode is connected with the output end of the second operational amplifier, and the second end of the transient diode is grounded.
8. The handheld device protection device of claim 1, wherein the power circuit comprises a rechargeable battery and a power conversion circuit; the output end of the rechargeable battery is connected with the power supply end of the controller and the power supply end of the electrical stimulation output circuit respectively, the output end of the power supply conversion circuit is connected with the charging end of the rechargeable battery, and the input end of the power supply conversion circuit is a universal serial bus interface.
9. The handheld device protection apparatus of claim 1, further comprising: an input device connected to the controller;
the controller is used for controlling the output voltage of the electrical stimulation output circuit according to the input signal of the input device.
10. The device of claim 9, wherein the input device is embodied as a key switch circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121906295.0U CN215961796U (en) | 2021-08-13 | 2021-08-13 | Handheld device protection device with electrotherapy massage function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121906295.0U CN215961796U (en) | 2021-08-13 | 2021-08-13 | Handheld device protection device with electrotherapy massage function |
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| CN215961796U true CN215961796U (en) | 2022-03-08 |
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| CN202121906295.0U Active CN215961796U (en) | 2021-08-13 | 2021-08-13 | Handheld device protection device with electrotherapy massage function |
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