CN219643912U - Signal generator controlled by mobile phone - Google Patents
Signal generator controlled by mobile phone Download PDFInfo
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- CN219643912U CN219643912U CN202320597206.1U CN202320597206U CN219643912U CN 219643912 U CN219643912 U CN 219643912U CN 202320597206 U CN202320597206 U CN 202320597206U CN 219643912 U CN219643912 U CN 219643912U
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- mobile phone
- signal source
- wifi communication
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- 238000004891 communication Methods 0.000 claims abstract description 32
- 238000013461 design Methods 0.000 abstract description 7
- 238000004458 analytical method Methods 0.000 abstract description 2
- 238000011161 development Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000003786 synthesis reaction Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model discloses a signal generator controlled by a mobile phone, which comprises a main control module, a DDS signal source module, a WiFi communication module and a mobile phone module; the main control module is connected with the WiFi communication module and the DDS signal source module through serial ports of the main control module, and the main control module is connected with the mobile phone module through the WiFi communication module; and the DDS signal source module is connected with the mobile phone module through the WiFi communication module. The utility model has the advantages of small volume, convenient carrying, flexible control, convenient use and low cost, can directly acquire the data to be known on the mobile phone, directly stores the needed data, and is convenient for the analysis of checking the data later. Under the condition that the instrument can meet normal demands, the DDS signal source design which is small in size, convenient to use and low in cost is combined with the actual demands, and meets the demands of people better, so that the DDS signal source design has wide application scenes and development values.
Description
Technical Field
The utility model relates to the technical field of digital frequency synthesis, in particular to a signal generator controlled by a mobile phone.
Background
The traditional signal source uses the first generation direct analog frequency synthesis technology or the second generation indirect frequency synthesis technology based on the phase-locked loop PLL, has larger volume and high manufacturing cost, and uses key operation and small liquid crystal display, which is inconvenient to operate, and occupies limited use space in a school laboratory because of large volume and difficult movement, but not better than the signal source of the third generation direct digital frequency synthesis technology.
It is therefore desirable to provide a new signal generator to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a signal generator controlled by a mobile phone, which has the advantages of small volume, flexible control, convenient use and low cost.
In order to solve the technical problems, the utility model adopts a technical scheme that: the signal generator controlled by the mobile phone comprises a main control module, a DDS signal source module, a WiFi communication module and a mobile phone module;
the main control module is connected with the WiFi communication module and the DDS signal source module through serial ports of the main control module, and the main control module is connected with the mobile phone module through the WiFi communication module;
and the DDS signal source module is connected with the mobile phone module through the WiFi communication module.
In a preferred embodiment of the present utility model, the DDS signal source module employs an AD9854 chip.
In a preferred embodiment of the present utility model, the master control module uses an STM32F103C8T6 master control chip.
In a preferred embodiment of the utility model, the WiFi communication module employs ESP8266 based WiFi communication.
The beneficial effects of the utility model are as follows: the utility model has the advantages of small volume, convenient carrying, flexible control, convenient use and low cost, can directly acquire the data to be known on the mobile phone, directly stores the needed data, and is convenient for the analysis of checking the data later. Under the condition that the instrument can meet normal demands, the DDS signal source design which is small in size, convenient to use and low in cost is combined with the actual demands, and meets the demands of people better, so that the DDS signal source design has wide application scenes and development values.
Drawings
FIG. 1 is a block diagram of a preferred embodiment of a mobile phone controlled signal generator according to the present utility model;
FIG. 2 is a circuit diagram of the master control module;
fig. 3 is a circuit diagram of the DDS signal source module;
FIG. 4 is a flowchart of the operation of the signal generator controlled by the handset;
fig. 5 is an interface diagram of a preferred embodiment of the mobile phone module design APP.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Referring to fig. 1, an embodiment of the present utility model includes:
a signal generator controlled by a mobile phone comprises a main control module, a DDS signal source module, a WiFi communication module and a mobile phone module. The main control module is connected with the WiFi communication module and the DDS signal source module through serial ports of the main control module, and the main control module is connected with the mobile phone module through the WiFi communication module; and the DDS signal source module is connected with the mobile phone module through the WiFi communication module.
The main control module is mainly responsible for coordination, control and initialization of the whole system. The whole system is electrified and initialized, and is connected with a mobile phone APP through a WiFi communication module, so that an instruction sent by the mobile phone APP is processed, and the DDS signal source module is controlled to generate corresponding waveforms, frequencies and the like. Preferably, the main control module adopts an STM32F103C8T6 main control chip. Referring to fig. 2, the stm32f103c8t6 main control chip and its peripheral circuits are shown. STM32F1 series singlechip has 3 AD converters of 12 bits, 3 USART interfaces, numerous I/O mouths to most have multiplexing function, the maximum 72 MHz's operating frequency, provide quick operating speed and powerful operational capability.
The main function of the mobile phone module is to send instructions to a signal source system.
The DDS signal source module is responsible for generating waveforms, and generates signals immediately after receiving the instruction of the main control module. Preferably, the DDS signal source module adopts an AD9854 chip. The ad9854 chip and its pin paths are shown in connection with fig. 3. The AD985X chip can generate required standard signals, the DDS is a direct frequency synthesis technology, and the full-digital structure has great advantages compared with the traditional frequency synthesis technology.
The WiFi communication module is responsible for wireless communication between the mobile phone module and the DDS signal source module, and the wireless communication is realized through control of the main control module. Preferably, the WiFi communication module employs ESP 8266-based WiFi communication. WiFi communication has advantages such as transmission speed is fast, transmission range is wide, and the WiFi communication based on ESP8266 is widely applied to the internet of things field, realizes the communication of Android end and lower computer through the LAN commonly, reaches control purpose.
The intelligent mobile phone can be connected with the Internet and a local area network, and the Android system is open-source, so that APP can be developed on an Android platform. The mobile phone APP and the signal source based on the Android system are connected through WiFi to realize information interaction and communication, which is the embodiment of the Internet of things technology, and in the embodiment, the Android Studio is used for designing suitable mobile phone application software, as shown in fig. 5, the mobile phone APP interface is attractive and attractive in design, the operation is simple and convenient, and corresponding data transmission can be realized. Meanwhile, the latest frequency synthesis technology, namely the direct digital frequency synthesis technology (DDS, direct Digital Synthesizer), is adopted, wherein an AD9854 is a core chip of a signal source, an STM32F103C8T6 chip is used as a main control chip of a singlechip, data interaction is carried out between a Uart serial port and the signal source, the construction of a hardware module of the signal source is realized, and an ESP8266 module is used as a bridge for communication between a mobile phone APP and the signal source. With reference to fig. 4, when the mobile phone APP is connected to the signal source through WiFi, data can be sent to the WiFi module on the application software, after the WiFi module receives the data, the data is transmitted to the single chip microcomputer through the Uart serial port for processing, after the data is analyzed, the single chip microcomputer sends an instruction to control the signal source to output the designated waveform and frequency through the Uart serial port, and the design has the characteristics of low price, stable frequency output, convenient use, portability and the like. In the trend of internet + fully utilizing internet of things technology, tools such as mobile phone application software, wiFi communication, singlechip control technology and signal generator are linked together, a brand new signal generator is designed, and the method has very large application scenes in scientific research and laboratory.
The signal generator designed by the utility model not only can generate waveforms, but also can generate waveforms, sweep frequency and waveform modulation by remote adjustment of a mobile phone according to the requirements of users.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (4)
1. The signal generator controlled by the mobile phone is characterized by comprising a main control module, a DDS signal source module, a WiFi communication module and a mobile phone module;
the main control module is connected with the WiFi communication module and the DDS signal source module through serial ports of the main control module, and the main control module is connected with the mobile phone module through the WiFi communication module;
and the DDS signal source module is connected with the mobile phone module through the WiFi communication module.
2. The signal generator controlled by a mobile phone of claim 1, wherein the DDS signal source module employs an AD9854 chip.
3. The signal generator controlled by a mobile phone of claim 1, wherein the master control module is an STM32F103C8T6 master control chip.
4. The handset controlled signal generator of claim 1, wherein the WiFi communication module employs ESP8266 based WiFi communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320597206.1U CN219643912U (en) | 2023-03-24 | 2023-03-24 | Signal generator controlled by mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320597206.1U CN219643912U (en) | 2023-03-24 | 2023-03-24 | Signal generator controlled by mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219643912U true CN219643912U (en) | 2023-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320597206.1U Active CN219643912U (en) | 2023-03-24 | 2023-03-24 | Signal generator controlled by mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219643912U (en) |
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2023
- 2023-03-24 CN CN202320597206.1U patent/CN219643912U/en active Active
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