CN217445089U - Antenna energy storage module and Internet of things system applying same - Google Patents

Abstract

The application provides an antenna energy storage module, including receiving module, wave filter, rectifier and energy storage capacitor, wherein, receiving module is used for receiving the electromagnetic wave signal. The input end of the filter is electrically connected with the receiving module, the output end and the input end of the filter are in an impedance matching state, and the filter is used for filtering the electromagnetic wave signals. The rectifier is electrically connected with the filter and used for converting the electromagnetic wave signals into direct current. The energy storage capacitor is electrically connected with the rectifier and used for storing the direct current. This application has realized the wireless function of charging that can store through receiving the electromagnetic wave signal and converting it into the electric energy of storing in energy storage capacitor, can regard as the replenishment of conventional power, has energy-conserving, the wireless beneficial effect who charges. The application also provides an Internet of things system applying the antenna energy storage module.

Description

Antenna energy storage module and Internet of things system applying same

Technical Field

The application relates to the technical field of energy saving and energy storage, in particular to an antenna energy storage module and an Internet of things system applying the same.

Background

With the development of society and the advancement of science and technology, people gradually pay attention to the utilization of energy and the development of energy-saving technology. For the energy supply mode of the equipment, people are not limited to the traditional power supply mode any more, and a power supply mode of wireless charging is proposed.

However, the voltage of wireless charging is low, and the whole energy requirement of the internet of things system cannot be completely supplied. Therefore, how to fully utilize wireless charging becomes a focus of attention.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide an antenna energy storage module and an internet of things system using the same to solve the above problems.

The embodiment of the application provides an antenna energy storage module, which comprises a receiving module, a filter, a rectifier and an energy storage capacitor, wherein the receiving module is used for receiving electromagnetic wave signals. The input end of the filter is electrically connected with the receiving module, the output end and the input end of the filter are in an impedance matching state, and the filter is used for filtering the electromagnetic wave signals. The rectifier is electrically connected with the filter and is used for converting the electromagnetic wave signals into direct current. The energy storage capacitor is electrically connected with the rectifier and used for storing the direct current.

In a possible implementation manner, the receiving frequency band of the receiving module is 2.45 GHz.

In one possible embodiment, the load impedance of the output of the filter is 50 Ω.

In a possible embodiment, the voltage of the energy storage capacitor is in a range of 2.8-3.3V.

In a possible embodiment, the energy storage capacitor is further electrically connected to an electrical device, and the energy storage capacitor is configured to output the direct current to the electrical device.

The embodiment of the application provides a system of internet of things, including treater, memory, power supply module, output module and function module, the treater is connected respectively the memory, power supply module and function module still include as above antenna energy storage module, antenna energy storage module electricity is connected the function module.

In a possible implementation manner, the functional module includes a camera device and/or a wireless communication device, and the camera device and the wireless communication device are electrically connected to the energy storage capacitor respectively.

In a possible implementation manner, the output module includes an audio de-encoder and an audio output device, and the audio de-encoder is electrically connected to the audio output device and the processor, respectively.

In one possible implementation, the memory includes a low power memory.

In one possible implementation, the memory further comprises an embedded memory.

Therefore, the storable wireless charging function is realized by receiving the electromagnetic wave signal and converting the electromagnetic wave signal into the electric energy stored in the energy storage capacitor, the wireless charging function can be used as the supplement of a conventional power supply, and the wireless charging function has the beneficial effects of energy conservation and wireless charging.

Drawings

Fig. 1 is a functional block diagram of an antenna energy storage module according to a first embodiment of the present application.

Fig. 2 is a circuit schematic diagram of the antenna energy storage module shown in fig. 1.

Fig. 3 is a functional block diagram of an internet of things system according to a second embodiment of the present application.

Description of the main elements

Antenna energy storage module 100

Receiving module 10

Filter 20

Rectifier 30

Energy storage capacitor 40

First inductor 51

First capacitance 52

Second inductor 53

Third inductor 54

Schottky diode 55

Second capacitor 56

Third capacitor 57

Internet of things system 200

Processor 210

Memory 220

Power supply module 230

Output module 240

Function module 250

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "first", "second" 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, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Referring to fig. 1, a first embodiment of the present application provides an antenna energy storage module 100, which includes a receiving module 10, a filter 20, a rectifier 30 and an energy storage capacitor 40, wherein the receiving module 10 is configured to receive an electromagnetic wave signal. The input end of the filter 20 is electrically connected to the receiving module 10, the output end and the input end of the filter 20 are in an impedance matching state, and the filter 20 is used for filtering the electromagnetic wave signal. The rectifier 30 is electrically connected to the filter 20 for converting the electromagnetic wave signal into a direct current. The energy storage capacitor 40 is electrically connected to the rectifier 30 for storing dc power.

In this embodiment, the receiving module 10 includes a rectifying antenna for receiving external electromagnetic wave signals. The load impedance of the output end is matched with the source impedance of the input end in the filter 20 through a matching network, so that the rectifying antenna obtains the electromagnetic wave signal with specific frequency, and the impedance matching quality of the rectifying antenna is ensured. The energy storage capacitor 40 is used for storing the rectified direct current, and when the stored electric energy exceeds a preset voltage value, the electric energy can be released to the electric element to be used as an additional power supply to provide electric energy, so that the energy-saving beneficial effect is achieved.

In one embodiment, the receiving band of the receiving module 10 is 2.45GHz, and the load impedance of the output end of the filter 20 is 50 Ω. For the circuit under the matching network, when the load impedance is 50 Ω, the corresponding signal frequency is 2.4-2.5 GHz, and the quality of impedance matching is better at this moment.

In one embodiment, the voltage of the energy storage capacitor 40 ranges from 2.8V to 3.3V. The energy storage capacitor 40 continuously accumulates electrical energy, and when the voltage reaches the range of values, the energy storage capacitor 40 can discharge electricity to the electrical element to provide electricity in the voltage range.

In one embodiment, the energy storage capacitor 40 is further electrically connected to the electric device, and the energy storage capacitor 40 is used for outputting direct current to the electric device.

Referring to fig. 2, in the circuit diagram of the antenna energy storage module 100 according to this embodiment, an output end of the receiving module 10 is sequentially connected to a first inductor 51, a first capacitor 52, a second inductor 53, a third inductor 54, a schottky diode 55, and an energy storage capacitor 40, the second inductor 53 is connected in parallel to a second capacitor 56, and the energy storage capacitor 40 is connected in parallel to a third capacitor 57. The circuit substrate is made of copper and meets the flame-resistant grade of FR-4.

Referring to fig. 3, an internet of things system 200 according to an embodiment of the present application includes a processor 210, a memory 220, a power supply module 230, an output module 240, and a function module 250, where the processor 210 is electrically connected to the memory 220, the power supply module 230, and the function module 250 respectively, and further includes the antenna energy storage module 100 as described above, and the antenna energy storage module 100 is electrically connected to the function module 250. In the using process, the power supply module 230 supplies power to the functional module 250 in the internet of things system 200, the antenna energy storage module 100 continuously stores electric energy into the energy storage capacitor 40, and the energy storage capacitor can supply power to the functional module 250 instead of the power supply module 230 until the stored electric energy reaches a preset voltage value, so that an energy-saving effect is achieved. The power supply module 230 in this embodiment is a 110V ac power supply.

In an embodiment, the functional module 250 includes a camera and/or a wireless communication device, and the camera and the wireless communication device are electrically connected to the energy storage capacitor 40, respectively. The power consumption of the camera device and the wireless communication device is low, the rated voltage of the camera device and the wireless communication device is usually 2.8-3.3V, and the camera device and the wireless communication device are matched with the energy storage capacitor 40 in the antenna energy storage module 100 so as to supply power to the antenna energy storage module.

In an embodiment, the output module 240 includes an audio codec electrically connected to the audio output device and the processor 210, and the audio output device may be an amplifier, a microphone, or the like, and the audio codec is used for implementing digital-to-analog conversion of signals.

In one embodiment, the memory 220 includes a Low Power Double Data Rate (LPDDR) and an Embedded memory 220 (eMMC), where the LPDDR in this embodiment includes a fourth generation LPDDR memory 220, which supports capturing and playing of high definition images and is suitable for the internet of things system 200 with a camera.

It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive.

Although the present application has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present application.

Claims (10)

1. An antenna energy storage module, comprising:

the receiving module is used for receiving electromagnetic wave signals;

the input end of the filter is electrically connected with the receiving module, the output end and the input end of the filter are in an impedance matching state, and the filter is used for filtering the electromagnetic wave signals;

the rectifier is electrically connected with the filter and is used for converting the electromagnetic wave signals into direct current;

and the energy storage capacitor is electrically connected with the rectifier and is used for storing the direct current.

2. The antenna energy storage module of claim 1, wherein a reception frequency band of the receiving module is 2.45 GHz.

3. The antenna energy storage module of claim 1 wherein the load impedance at the output of the filter is 50 Ω.

4. The antenna energy storage module of claim 1, wherein the voltage of the energy storage capacitor is in a range of 2.8-3.3V.

5. The antenna energy storage module of claim 1, wherein said energy storage capacitor is further electrically connected to an electrical device, said energy storage capacitor being configured to output said direct current to said electrical device.

6. An internet of things system comprises a processor, a memory, a power supply module, an output module and a function module, wherein the processor is electrically connected with the memory, the power supply module and the function module respectively, and the internet of things system is characterized by further comprising the antenna energy storage module according to any one of claims 1-5, and the antenna energy storage module is electrically connected with the function module.

7. The internet of things system as claimed in claim 6, wherein the functional module comprises a camera device and/or a wireless communication device, and the camera device and the wireless communication device are electrically connected with the energy storage capacitor respectively.

8. The internet of things system of claim 6, wherein the output module comprises an audio de-encoder and an audio output device, and the audio de-encoder is electrically connected with the audio output device and the processor respectively.

9. The internet of things system of claim 6, wherein the memory comprises a low power memory.

10. The internet of things system of claim 6, wherein the memory further comprises embedded memory.

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