CN117013711A - Electronic device capable of wireless activation - Google Patents

Abstract

The present disclosure describes an electronic device capable of wireless activation, comprising a housing, a power module, an execution module, and an activation module; the power module has a first electrode and a second electrode and the execution module is coupled between the first electrode and the second electrode, the activation module includes a first switch having a drain, a source and a gate and the drain and the source of the first switch are respectively coupled to the first electrode and the execution module, a second switch coupled between the second electrode and the gate of the first switch, the activation coil has a current path coupled to the source of the first switch and the second switch, the activation coil generates an induced voltage under the action of an external variable magnetic field, the second switch is turned on under the action of the induced voltage and couples the gate of the first switch to the second electrode, and the first switch is turned on under the action of the induced voltage. According to the present disclosure, an electronic device capable of long-term storage can be provided.

Description

Electronic device capable of wireless activation

Technical Field

The present disclosure relates to the field of biomedical engineering industry, and in particular, to an electronic device capable of wireless activation.

Background

The electronic device may also be referred to as an electronic instrument or an electronic apparatus, which generally refers to a device including an electronic component, and is widely used in various fields such as an automation device, a medical instrument, an intelligent terminal, and the like.

The electronic capsule is a commonly used small intelligent medical instrument. An electronic capsule may also be referred to as a capsule-like electronic device. The electronic capsule has the advantages of small size and capability of reducing burden of patients, can enter into the digestive tract (such as stomach and intestinal tract), and is commonly used for image acquisition, massage of the inner wall of the digestive tract, drug release to focus areas and the like. An electronic capsule generally includes a capsule-like housing, and a battery and electronic components disposed within the housing. The current starting trigger devices of the electronic capsules are mostly active devices, and leakage current is easy to generate in the active devices, so that the electric quantity of the electronic capsules can be possibly lost, and the electronic capsules are not easy to store.

Therefore, there is a need for an electronic device that can be stored for a long period of time before use.

Disclosure of Invention

The present disclosure has been made in view of the above-described conventional art, and an object thereof is to provide an electronic device that can be stored for a long period of time before use.

To this end, the present disclosure provides an electronic device capable of wireless activation, including a housing having an accommodation space, and a power module, an execution module, and an activation module disposed within the accommodation space; the power module has a first electrode and a second electrode and the execution module is coupled between the first electrode and the second electrode, the activation module includes a first switch having a drain, a source and a gate and the drain and the source of the first switch are respectively coupled to the first electrode and the execution module, a second switch coupled between the second electrode and the gate of the first switch, and an excitation coil having a current path coupled to the source of the first switch and the second switch, the excitation coil generating an induced voltage under the influence of an external variable magnetic field, the second switch being turned on under the influence of the induced voltage and coupling the gate of the first switch to the second electrode, and the first switch being turned on under the influence of the induced voltage.

In the present disclosure, an exciting coil is provided inside an electronic device, and the exciting coil generates an induced voltage by a variable magnetic field, thereby turning on a switching circuit (first on/off device), whereby a power module can supply power to an execution module. In addition, before the exciting coil generates the induced voltage, the whole execution module and the activation module are in a power-off state, so that the possibility that the power supply module consumes electric quantity in the storage process can be reduced.

In addition, in the electronic device related to the disclosure, optionally, the first on-off device is a P-channel insulated gate field effect transistor. In this case, when the voltage applied to the gate and the source of the first on-off is greater than the preset voltage of the first on-off, a current path can be formed between the source and the drain of the first on-off, thereby enabling the electronic device to be activated.

In addition, in the electronic device according to the present disclosure, optionally, the second on-off device is an N-channel insulated gate field effect transistor, and a source and a gate of the second on-off device are respectively coupled to two ends of the exciting coil. In this case, when the induced voltage generated by the exciting coil is greater than the preset voltage of the second switch, a current path is formed between the source and the drain of the second switch, and when the source and the drain of the second switch are turned on, the potential of the source of the first switch can be changed.

In addition, in the electronic device related to the disclosure, optionally, the activation module further includes a protection resistor coupled between the second switch and the first electrode. Thus, when a current path is formed between the gate and the drain of the second on-off device, the first electrode of the power supply module communicates with the first resistor via the current path, thereby forming a current between the gate and the drain of the second on-off device, and further enabling to change the potential of the gate of the first on-off device.

In addition, in the electronic device related to the disclosure, optionally, the activation module further includes a self-locking unit, the self-locking unit has a current path coupled to the second electrode and the first on-off device, and the self-locking unit includes a second resistor, and two ends of the second resistor are respectively coupled to a gate and a source of the second on-off device. In this case, when the electronic device is in the active state, the voltage across the second resistor is equal to the voltage between the gate and the source of the second switch, whereby the potential difference between the gate and the source of the second switch can be maintained, so that the electronic device can be maintained in the active state.

In addition, in the electronic device related to the disclosure, optionally, the self-locking unit further includes a first resistor, and the first resistor is coupled between the first switch and the second resistor. Therefore, the voltage across the second resistor can be adjusted by the resistance ratio of the first resistor to the second resistor.

In addition, in the electronic device to which the present disclosure relates, optionally, the activation module further includes a diode that prevents a current from flowing to the excitation coil. Thereby, it is possible to reduce the risk that both ends of the excitation coil are directly coupled to both ends of the first electrode and the second electrode of the power supply module in the activated state, thereby possibly causing a short circuit.

In the electronic device according to the present disclosure, the case may be in a capsule shape, and a built-in magnet may be provided inside the case. Thereby, the movement of the electronic device can be controlled by the magnetic force.

In addition, in the electronic device related to the present disclosure, optionally, the execution module includes an image acquisition unit for image data acquisition, and an attitude sensor for sensing attitude data. Thus, an image of the environment outside the housing can be captured by the capsule-like electronic device (electronic capsule).

In addition, in the electronic device according to the present disclosure, optionally, the excitation coil is disposed at one end of the housing. In this case, since the exciting coil is relatively light, the heavier components inside the housing can be fitted in the central region, thereby enabling a more uniform weight distribution of the electronic device.

According to the present disclosure, an electronic device that can be stored for a long period of time before use can be provided.

Drawings

The present disclosure will now be explained in further detail by way of example only with reference to the accompanying drawings, in which:

fig. 1 is a block diagram illustrating an electronic device according to an embodiment of the present disclosure.

Fig. 2 is a circuit schematic diagram showing an electronic device according to an embodiment of the present disclosure.

Fig. 3 is an application scenario diagram illustrating a capsule-like electronic device according to an embodiment of the present disclosure.

Fig. 4 is a block diagram showing an execution module of a capsule-like electronic device according to an embodiment of the present disclosure.

Fig. 5 is a schematic diagram showing an internal structure of a capsule-shaped electronic device according to an embodiment of the present disclosure.

Fig. 6 is a schematic diagram illustrating a method of using an electronic device according to an embodiment of the present disclosure.

Detailed Description

Hereinafter, preferred embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. In the following description, the same members are denoted by the same reference numerals, and overlapping description thereof is omitted. In addition, the drawings are schematic, and the ratio of the sizes of the components to each other, the shapes of the components, and the like may be different from actual ones.

It should be noted that the terms "comprises" and "comprising," and any variations thereof, in this disclosure, such as a process, method, system, article, or apparatus that comprises or has a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus, but may include or have other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In addition, headings and the like referred to in the following description of the disclosure are not intended to limit the disclosure or scope thereof, but rather are merely indicative of reading. Such subtitles are not to be understood as being used for segmenting the content of the article, nor should the content under the subtitle be limited only to the scope of the subtitle.

The present disclosure relates generally to the field of electronic devices, and more particularly to an electronic device capable of wireless activation. In some examples, the electronic device is typically activated wirelessly by means of a photodiode, magnetic sensor, or the like active device. Therefore, even if the electronic device is not started before the electronic device is used, the electronic device may have a leakage current, which consumes a certain amount of power, and is unfavorable for storage and preservation of the electronic device. Unlike the above-described electronic devices, the electronic device according to the present disclosure has an advantage of being capable of being stored for a long period of time.

Fig. 1 is a block diagram showing an electronic apparatus 1 according to an embodiment of the present disclosure. Fig. 2 is a circuit schematic diagram showing the electronic apparatus 1 according to the embodiment of the present disclosure.

(constituent Module of electronic device 1)

Referring to fig. 2, in some examples, the electronic device 1 may include a power module 10, an activation module 20, and an execution module 30. In some examples, the electronic device 1 may have a housing 40. In some examples, the housing 40 has an accommodation space inside. The power module 10, the activation module 20, and the execution module 30 may be disposed inside the housing 40. The power module 10 may supply power to the activation module 20 and the execution module 30. Execution module 30 may operate when powered on. The activation module 20 may cause the power module 10 to supply power to the execution module 30 upon receipt of the activation signal.

(Power supply Module 10 and execution Module 30)

In some examples, the power module 10 may have a first electrode and a second electrode. In some examples, the power module 10 may be a dc power supply. The first and second electrodes correspond to the positive and negative poles of the power module 10, respectively. In some examples, the power module 10 may be a button cell. The volume occupied by the power module 10 in the accommodation space can thereby be reduced, which is advantageous for reducing the volume of the electronic device 1.

In some examples, execution module 30 may be coupled between a first electrode and a second electrode. Thereby, the power module 10 can supply power to the execution module 30.

(conceptual description of activation module 20)

In some examples, the activation module 20 may include an excitation coil 200 and a first on-off 211.

In some examples, the first on-off 211 may have a drain, a source, and a gate. In some examples, the source and the drain are not conducted between normal states (a state in which a voltage between the source and the gate is less than a preset voltage), and when the voltage applied between the source and the gate of the first on-off device 211 is not less than the preset voltage, a current path can be formed between the source and the drain, whereby the conducted state between the source and the drain, that is, whether or not the current path can be formed between the source and the drain, can be controlled by controlling the potential difference between the source and the gate. In some examples, the voltage applied between the source and the gate of the first on-off device 211 is not less than the preset voltage may mean that the absolute value of the difference in potential between the source and the gate is not less than the absolute value of the preset voltage. In some examples, the preset voltage may be a turn-on voltage.

In some examples, the excitation coil 200 may have a current path coupled to the source and gate of the first switch 211. In some examples, the drain and source of the first switch 211 may be coupled to the first electrode and the execution module 30, respectively.

In some examples, the excitation coil 200 may generate an induced voltage under the influence of a variable magnetic field. In some examples, the induced voltage may be greater than a preset voltage of the first switch 211. In this case, after the exciting coil 200 generates the induced voltage, the potential difference between the gate and the source of the first on-off device 211 can be changed to form a current path between the drain and the source, thereby conducting between the power module 10 and the execution module 30.

(activating Module 20)

In some examples, the activation module 20 may include a first switch 211, a second switch 212, and an excitation coil 200. The drain and the source of the first on-off device 211 may be coupled to the first electrode and the execution module 30, respectively. In some examples, the second switch 212 may be coupled between the second electrode and the gate of the first switch 211. In some examples, the excitation coil 200 may have a current path coupled to the source of the first switch 211 and the second switch 212.

In some examples, the excitation coil 200 may generate an induced voltage under the influence of a variable magnetic field. In some examples, the second switch 212 may be turned on by an induced voltage. That is, in some examples, conduction between the gate and source of the second switch 212 may form a current path. Due to the coupling of the gate of the first switch 211 to the second electrode or the excitation coil via this current path. The gate and the source of the first shutter 211 have different potentials, respectively.

In the present disclosure, the electronic device 1 has an exciting coil 200 inside, and the exciting coil 200 generates an induced voltage by the variable magnetic field, thereby turning on a switching circuit (first on-off device 211), whereby the power module 10 can supply power to the execution module 30. In addition, the whole execution module 30 and the activation module 20 are in the power-off state before the exciting coil 200 generates the induced voltage, thereby enabling to reduce the possibility that the power of the power module 10 is consumed during storage.

In some examples, the first switch 211 may be an N-channel insulated gate field effect transistor. In this case, when the voltage applied to the gate and the source of the first on-off device 211 is greater than the preset voltage of the first on-off device 211, a current path can be formed between the source and the drain of the first on-off device 211, thereby enabling the electronic apparatus 1 to be activated. In some examples, the preset voltage of the first switch 211 may be around 0.6 volts.

In some examples, the second switch 212 may be a P-channel insulated gate field effect transistor. In some examples, the source and gate of the second on-off 212 may be coupled to two ends of the excitation coil 200, respectively. In this case, when the induced voltage generated by the exciting coil 200 is greater than the preset voltage of the second on-off device 212, a current path is formed between the source and the drain of the second on-off device 212, and when the source and the drain of the second on-off device 212 are turned on, the potential of the source of the first on-off device 211 can be changed. In some examples, the preset voltage of the second switch 212 may be around 0.6 volts.

In some examples, activation module 20 may also include a protection resistor R1. In some examples, a protection resistor R1 may be coupled between the second switch 212 and the first electrode. In this case, when a current path is formed between the gate and the drain of the second on-off 212, the first electrode of the power module 10 communicates with the protection resistor R1 via the current path, thereby forming a current between the gate and the drain of the second on-off 212, and further enabling to change the potential of the gate of the first on-off 211. In addition, referring to fig. 2, when a current is formed between the gate and the drain of the second switch 212, the protection resistor R1 may reduce the possibility of shorting the load (the execution module 30) after the second switch 212 is turned on.

In some examples, activation module 20 may also include a self-locking unit 23. In some examples, the self-locking unit 23 may be used to maintain the conductive state of the first switch 211 after the first switch 211 is turned on. In some examples, the self-locking unit 23 may have a current path coupled to the second electrode and the first on-off 211. In other words, the self-locking unit 23 may be in an activated state after the first switch 211 is turned on.

In some examples, the self-locking unit 23 may include a second resistor R2. In some examples, both ends of the second resistor R2 may be coupled to the gate and the source of the second on-off device 212, respectively. In this case, when the electronic device 1 is in the active state, the voltage across the second resistor R2 is equal to the voltage between the gate and the source of the second on-off 212. In some examples, the voltage across the second resistor R2 may be equal to or greater than the preset voltage of the second on-off 212. This stabilizes the potential difference between the gate and the source of the second on-off device 212, and maintains the electronic apparatus 1 in the active state. In other words, since the voltage across the second resistor R2 is equal to the voltage between the gate and the source of the second switch 212, the activated states of the second switch 212, the first switch 211, the activation module 20, and the electronic device 1 can be maintained by controlling the voltage across the second resistor R2 to be greater than the preset voltage of the second switch 212.

In some examples, the self-locking unit 23 may further include a first resistor R3. In some examples, the resistance value of the first resistor R3 may be equal to or greater than 0. In some examples, the first resistor R3 may be coupled between the first switch 211 and the second resistor R2. When the first on-off device 211 is turned on, the first resistor R3 and the second resistor R2 are connected in series at two ends of the power module 10. In this case, the first resistor R3 and the second resistor R2 may constitute a voltage dividing circuit. Thus, the voltage across the second resistor R2 can be adjusted by the resistance ratio of the first resistor R3 to the second resistor R2. Therefore, the voltage at two ends of the second resistor R2 can be controlled to be in a preset interval, so that the voltage at two ends of the second resistor R2 is more stable.

In some examples, activation module 20 may also include a diode 220. In some examples, diode 220 may block current flow to excitation coil 200. Thereby, it is possible to reduce the risk that both ends of the exciting coil 200 are directly coupled to both ends of the first and second electrodes of the power module 10 in the activated state, thereby possibly causing a short circuit.

(Capsule-shaped electronic device 1)

In some examples, the housing 40 may be in the form of a capsule. In some examples, the capsule-like electronic device 1 may also be referred to as an electronic capsule.

Fig. 3 is an application scene diagram showing the capsule-shaped electronic device 1 according to the embodiment of the present disclosure. Fig. 4 is a block diagram showing the execution module 30 of the capsule-shaped electronic device 1 according to the embodiment of the present disclosure. Fig. 5 is a schematic diagram showing the inside of the capsule-shaped electronic device 1 according to the embodiment of the present disclosure.

The electronic device 1 according to the present disclosure is particularly suitable for the field of electronic capsules, and the present disclosure is further described below by taking an electronic capsule as an example, but it is understood that the electronic capsule is only one of many electronic devices 1, and the technical solution of the present disclosure can be applied to other electronic devices 1 to obtain equivalent technical effects.

In some examples, the capsule-shaped electronic device 1 is a capsule-shaped medical device that can be swallowed and introduced into a subject, and can be classified into various types according to the purpose. Such as a drug capsule for applying a drug to a lesion area, a vibration capsule for massaging the inner wall of the digestive tract, and a capsule endoscope for snooping the health condition of the gastrointestinal and esophageal sites of the human body.

In some examples, the location where the capsule-like electronic device 1 may be introduced into the subject may be a tissue cavity such as a digestive cavity, e.g., stomach, esophagus, large intestine, colon, small intestine, etc. In addition, in some examples, tissue cavities other than digestive cavities, such as abdominal cavities, thoracic cavities, and the like, may also be used. For digestive cavities such as stomach, esophagus, large intestine, etc., the electronic capsule may be swallowed to enter the digestive cavity, while for non-digestive cavities the electronic capsule may be placed into the non-digestive cavity by a minimally invasive opening through a clinical procedure.

In some examples, the capsule-like electronic device 1 may include a power module 10, an execution module 30, an activation module 20, and a capsule-like housing 40. The descriptions of the power module 10 and the activation module 20 may be referred to above, and will not be repeated here.

In view of the limited internal space of the capsule-like electronic device 1, the means for generating a variable magnetic field may be located outside the housing 40 in some examples. That is, in some examples, the variable magnetic field may be formed outside the capsule-shaped electronic device 1. In addition, since the internal space is limited, the power module 10 inside the electronic device 1 generally does not store much power, so as to improve the space utilization inside the electronic device 1.

The capsule-like electronic device 1 according to the present disclosure is particularly suitable for use in the field of capsule endoscopes for snooping the health status of gastrointestinal and esophageal sites of a human body. That is, the capsule-like electronic device 1 according to the present disclosure is particularly suitable for being swallowed by a subject and entering the interior of the digestive cavity and for examination thereof. The capsule-shaped electronic device can be discharged out of a human body after the operation is finished. It is understood that application of the activation module 20 of the present disclosure to other types of electronic capsules may achieve equivalent technical effects.

(execution Module of Capsule endoscopes 30)

Referring to fig. 4, for a capsule endoscope, the execution module 30 may include an image acquisition unit 300. In some examples, the image acquisition unit 300 may be used for acquisition of image data. In some examples, the image acquisition unit 300 may include a camera 301 and a light source 302.

In some examples, execution module 30 may include an attitude sensor 310. In some examples, gesture sensor 310 may be used to sense gesture data of an electronic capsule.

In some examples, execution module 30 may include transceiver unit 320. In some examples, the transceiver unit 320 may be used to remotely communicate with an external transceiver device 81. In some examples, the transceiver 81 may be used to communicate information with the transceiver unit 320. Specifically, in some examples, an operator may send instructions to transceiver unit 320 via transceiver 81. In some examples, an operator may receive information (e.g., image data, location data, etc.) transmitted by transceiver unit 320 via transceiver device 81.

In some examples, transceiver unit 320 may acquire data of gesture sensor 310 and image acquisition unit 300. Specifically, in some examples, the transceiver unit 320 may transmit the image data collected from the image acquisition unit 300 and/or the pose data collected from the pose sensor 310 to the transceiver device 81.

In some examples, the transceiver unit 320 may accept instructions of the external transceiver device 81. In some examples, the transceiver unit 320 may control the image acquisition unit 300 and the posture sensor 310 according to an instruction of the transceiver device 81.

(Rapid discharge mode)

In some examples, transceiver unit 320 may accept a rapid discharge instruction to transceiver device 81. In some examples, execution module 30 may execute the rapid discharge mode after transceiver unit 320 receives a rapid discharge instruction from transceiver device 81.

In some examples, in the rapid discharge mode, the image acquisition unit 300 and the attitude sensor 310 may operate at maximum power. Specifically, the camera 301 can perform image acquisition at the highest frequency. The light source 302 may be continuously illuminated. The attitude sensor 310 may perform image acquisition at the highest frequency. In some examples, the transceiving unit 320 may also transceive data at the highest frequency. In some examples, the data sent by transceiver unit 320 may be null data or fixed data. In some examples, the data sent by transceiver unit 320 is not necessarily received by transceiver device 81.

(built-in magnet 50)

In some examples, the capsule-like electronic device 1 may have a built-in magnet 50. In some examples, the built-in magnet 50 may be a permanent magnet. Thereby, the movement of the electronic device 1 can be controlled by the magnetic force. In some examples, movement of the electronic device 1 may be controlled by an external magnetic control 82. Specifically, in some examples, the position of the magnetic control device 82 may be changed to pull the built-in magnet 50 to move, thereby moving the capsule-shaped electronic device 1.

It should be noted that the reed switch is also a common passive component that can be used as a circuit switch. In some examples, the reed switch may also be referred to as a magnetic reed switch or a reed switch. Reed switches typically comprise two magnetizable leaves. In a general state, the two reeds are not contacted; when the magnetic force exceeds the elasticity of the reeds, the two reeds can be attracted to conduct a circuit; when the magnetic field is reduced or eliminated, the dry reed is released due to its elasticity, and the contact surfaces of the two reeds are separated to open the circuit. Thus, the reed switch is susceptible to the variable magnetic field generated by the magnetic control device 82.

In contrast, the exciting coil 200 of the present invention generates an induced voltage by a variable magnetic field. Thus, it is not susceptible to the magnetic control device 82.

(structural composition of electronic device 1)

Referring to fig. 5, in some examples, the excitation coil 200 may be disposed at one end of the housing 40. In this case, since the exciting coil 200 is relatively light, heavier components (e.g., the built-in magnet 50, the power module 10, and the image pickup unit 300) inside the case 40 can be fitted in the central region, whereby the weight distribution of the electronic device 1 can be made more uniform.

In some examples, the diameter of the excitation coil 200 may be 5-10mm. In some examples, the height of the excitation coil 200 may be 0.5-5mm.

Referring to fig. 5, in some examples, the housing 40 may include a body portion 41 and an end portion 42. In some examples, body portion 41 and end portion 42 may be assembled and form a closed housing 40. This enables operation in a wet environment. In some examples, when the body portion 41 and the end portion 42 are disassembled, the constituent components of the execution module 30, the activation module 20, and the power module 10 may be assembled inside the body portion 41 or replaced or repaired.

In some examples, the camera 301 may be configured toward the end 42. In some examples, the end 42 may be transparent. Thereby, the camera 301 can capture an image outside the housing 40 through the end portion 42.

In some examples, the electronic device 1 may include a circuit board 21. In some examples, the circuit shown in fig. 2 may be formed on circuit board 21.

(method of Using electronic device 1)

The present disclosure also provides a method of using the electronic device 1. Fig. 6 is a schematic diagram showing a method of using the electronic device 1 according to the embodiment of the present disclosure.

Referring to fig. 6, in some examples, the method of use may include step S10: preparation before use; step S20: activating the exciting coil 200; step S30: the first on-off 211 of the activation module 20 is turned on; step S40: the execution module 30 and the self-locking unit 23 are electrified to continuously run; step S50: transmitting a discharge instruction to the operating transceiving unit 320; step S60: the electronic device 1 enters a fast power consumption mode.

In some examples, in step S10, a preliminary variable magnetic field (activation magnetic field) and the electronic apparatus 1 may be included. In some examples, the electronic device 1 may be an electronic capsule. Specifically, the electronic device 1 may be a capsule endoscope.

In some examples, in step S20, the electronic device 1 and the variable magnetic field may be brought close to each other, and the exciting coil 200 generates an induced voltage. In some examples, the frequency of the variable magnetic field may be 1k to 1000k. Preferably, the frequency of the variable magnetic field may be 10k to 100k.

In some examples, in step S30, the induced voltage generated by the exciting coil 200 is applied to the gate and the source of the second on-off device 212, a current path is formed between the drain and the source of the second on-off device 212, the gate and the source of the first on-off device 211 are respectively connected to nodes of different electric potentials, and when the potential difference between the gate and the source is less than a preset voltage (on-voltage), the source and the drain of the first on-off device 211 can be conducted to form a current path. Specifically, when the potential of the gate of the first on-off 211 is smaller than the potential of the source, and the difference in potential between the gate and the source is larger than the absolute value of the preset voltage, the first on-off 211 is turned on.

In some examples, the induced voltage may be greater than a preset voltage of the first and second switches 211 and 212. In some examples, the induced voltage may be greater than 0.6 volts.

In some examples, in step S40, when a current path is formed by conduction between the source and the drain of the first on-off device 211, the execution module 30 and the self-locking unit 23 are coupled to the power module 10 via the current path.

When energized, the second resistor of the latch unit 23 has a potential difference across it, which can continuously act on the gate and source of the second switch 212 to keep conduction between the source and drain of the second switch 212. When the second switch 212 is in the on state, the source and the gate of the first switch 211 are at different potentials, and when the potential difference between the source and the gate of the first switch 211 is greater than a preset voltage, the source and the drain of the first switch 211 may be continuously in the on state. The execution module 30 can continue to operate while the self-locking unit 23 continues to be in the on state.

In some examples, the source of the first switch 211 may be coupled to a first electrode of the power module 10. The gate of the first switch 211 can be coupled to the negative pole of the power module via a current path formed by the second switch 212. Thus, the first on-off device 211 may have a potential difference between the source and the gate, and the source and the drain may be continuously in a conductive state. In some examples, the voltage across the second resistor R2 can be controlled by controlling the ratio of the first resistor R3 to the second resistor R2. That is, the voltage applied between the source and the gate of the second on-off device 212 can be controlled.

In some examples, the method of using the electronic apparatus 1 may not include step S50 and step S60. In some examples, the power of the power module 10 may be exhausted through the steps S50 and S60, thereby being able to reduce the possibility of damaging the electronic apparatus 1 to injure a human body in an extreme case.

In some examples, in step S50, after the operation of the electronic apparatus 1 is completed, a discharge instruction may be transmitted to the operating transceiver unit 320 through the transceiver device 81.

In some examples, in step S60, after receiving a discharge instruction by the transceiver unit 320, the control execution module 30 enters a rapid discharge mode. In the rapid discharge mode, execution module 30 may operate at maximum power to rapidly deplete the power of the power module.

In some examples, the electronic device 1 may be a capsule endoscope. In the rapid discharge mode, the image acquisition unit 300 and the attitude sensor 310 may operate at maximum power. In some examples, the transceiving unit 320 may also transceive data at the highest frequency.

According to the present disclosure, the electronic device 1 capable of being stored for a long period of time before use can be provided.

While the disclosure has been described in detail in connection with the drawings and examples, it is to be understood that the foregoing description is not intended to limit the disclosure in any way. Modifications and variations of the present disclosure may be made as desired by those skilled in the art without departing from the true spirit and scope of the disclosure, and such modifications and variations fall within the scope of the disclosure.

Claims (10)

1. An electronic device capable of being activated wirelessly, comprising a housing having an accommodation space, and a power module, an execution module and an activation module disposed within the accommodation space; the power module has a first electrode and a second electrode and the execution module is coupled between the first electrode and the second electrode, the activation module includes a first switch having a drain, a source and a gate and the drain and the source of the first switch are respectively coupled to the first electrode and the execution module, a second switch coupled between the second electrode and the gate of the first switch, and an excitation coil having a current path coupled to the source of the first switch and the second switch, the excitation coil generating an induced voltage under the influence of an external variable magnetic field, the second switch being turned on under the influence of the induced voltage and coupling the gate of the first switch to the second electrode, and the first switch being turned on under the influence of the induced voltage.

2. The electronic device of claim 1, wherein the first on-off device is a P-channel insulated gate field effect transistor.

3. The electronic device of claim 1, wherein the second switch is an N-channel insulated gate field effect transistor, and a source and a gate of the second switch are respectively coupled to two ends of the excitation coil.

4. The electronic device of claim 1, wherein the activation module further comprises a protection resistor coupled between the second switch and the first electrode.

5. The electronic device of claim 2, further comprising a self-locking unit having a current path coupled to the second electrode and the first on-off device, the self-locking unit comprising a second resistor having two ends coupled to a gate and a source of the second on-off device, respectively.

6. The electronic device of claim 5, wherein the self-locking unit further comprises a first resistor coupled between the first switch and the second resistor.

7. The electronic device of claim 5 or 6, wherein the activation module further comprises a diode that prevents current from flowing to the excitation coil.

8. The electronic device according to claim 1, wherein the housing is in a capsule shape, and a built-in magnet is further provided inside the housing.

9. The electronic device of claim 1 or 8, wherein the execution module comprises an image acquisition unit for image data acquisition, and an attitude sensor for sensing attitude data.

10. The electronic device of claim 1, wherein the excitation coil is disposed at one end of the housing.