CN211427477U - Data acquisition system based on wireless transmission technology - Google Patents
Data acquisition system based on wireless transmission technology Download PDFInfo
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- CN211427477U CN211427477U CN201922119194.8U CN201922119194U CN211427477U CN 211427477 U CN211427477 U CN 211427477U CN 201922119194 U CN201922119194 U CN 201922119194U CN 211427477 U CN211427477 U CN 211427477U
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Abstract
The utility model provides a data acquisition system based on wireless transmission technology. The data acquisition system is used for acquiring data stored by the host, and comprises a data acquisition device for constructing a wireless WiFi local area network and a wireless mobile terminal for receiving and storing the acquired data; the data acquisition device is used for connecting the host; the data acquisition device is in wireless connection with the wireless mobile terminal. The utility model provides a need use longer cable and connector in the data acquisition time with high costs, connect comparatively loaded down with trivial details, receive the space restriction, operate not enough portably, data transmission difficulty scheduling problem reaches and improves data transmission efficiency, reduces intensity of labour, saves space, and reduce cost promotes the horizontally purpose of data acquisition.
Description
Technical Field
The utility model relates to a data transmission technical field especially indicates a data acquisition system based on wireless transmission technology.
Background
The main frame is built in large-scale equipment such as airplanes and automobiles, parameters in the operation process of the large-scale equipment are all kept in a storage medium of the main frame, and the data are collected and stored in the handheld mobile equipment, which is a common requirement for analyzing the data.
There are two main types of data acquisition methods in common use:
firstly, data acquisition is carried out through a mobile transmission medium such as a USB flash disk and then the data acquisition is connected to the handheld mobile equipment, the method needs the handheld mobile equipment and the host machine to have the same interface standard, and needs two connections, two transmissions are time-consuming and labor-consuming, and the operation is not simple and convenient enough;
secondly, the handheld mobile equipment is connected with the host through the data cable, then the transmission medium of the host is accessed, and the data is collected back to the handheld mobile equipment.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned weak point that exists among the prior art, the to-be-solved technical problem of the utility model is to provide a data acquisition system based on wireless transmission technology.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a data acquisition system based on wireless transmission technology is used for acquiring data stored by a host, and comprises a data acquisition device used for constructing a wireless WiFi local area network and a wireless mobile terminal used for receiving and storing the acquired data; the data acquisition device is used for connecting the host; the data acquisition device is in wireless connection with the wireless mobile terminal.
The data acquisition device comprises a connector interface, a switching assembly, a wireless transmission circuit board assembly, a shell assembly and a positioning mounting column, wherein the wireless transmission circuit board assembly is fixedly connected inside the shell assembly through the positioning mounting column, the wireless transmission circuit board assembly is connected with the connector interface through the switching assembly, and the connector interface is located outside the shell assembly and used for connecting a host.
The switching assembly comprises a switching line and a switching crystal head, the switching line is connected with the connector interface and the switching crystal head, and the switching crystal head is connected with the wireless transmission circuit board assembly.
The patch cord is the net twine of taking the shielding, has 8 sinle silks.
The wireless transmission circuit board assembly comprises a signal conversion circuit board and a battery connected with the signal conversion circuit board, and the signal conversion circuit board is used for being connected with the switching assembly.
The signal conversion circuit board comprises a power supply module, a level conversion module, a LAN interface module and a wireless WiFi module; the power supply module is used for connecting the battery, the level conversion module is connected with the power supply module, the LAN interface module and the wireless WiFi module, the LAN interface module is connected with the wireless WiFi module, the LAN interface module is used for connecting the switching assembly, and the wireless WiFi module is used for sending wireless network signals.
The wireless transmission circuit board assembly further comprises a charging module and a charging interface, and the charging module is connected with the battery and the charging interface.
The connector interface is provided with a mounting square disc at the rear part, and the mounting square disc is used for being connected with the shell assembly.
The utility model provides a need use longer cable and connector in the data acquisition time with high costs, connect comparatively loaded down with trivial details, receive the space restriction, operate not enough portably, data transmission difficulty scheduling problem reaches and improves data transmission efficiency, reduces intensity of labour, saves space, and reduce cost promotes the horizontally purpose of data acquisition.
Drawings
Fig. 1 is a block diagram of a data acquisition system according to an embodiment of the present invention;
fig. 2 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 3 is a schematic diagram of the internal structure of the embodiment of the present invention;
fig. 4 is a block diagram of a circuit structure of the signal conversion circuit board according to the embodiment of the present invention;
fig. 5 is a schematic circuit diagram of a power supply module according to an embodiment of the present invention;
fig. 6 is a schematic circuit diagram of a level shift module according to an embodiment of the present invention;
fig. 7 is a schematic circuit diagram of a LAN interface module according to an embodiment of the present invention;
fig. 8 is a schematic circuit diagram of a wireless WiFi module according to an embodiment of the present invention;
fig. 9 is a flowchart of an application method of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, the utility model provides a data acquisition system based on wireless transmission technology, which is used for acquiring data stored by a host computer, and comprises a data acquisition device and a wireless mobile terminal, wherein the data acquisition device is used for connecting the host computer; the wireless mobile terminal is used for receiving and storing the data acquired by the data acquisition device; the data acquisition device is used for sending wireless network signals and constructing a wireless WiFi local area network comprising the host, the data acquisition device and the wireless mobile terminal. The wireless mobile terminal can be a mobile phone, a pad, a notebook computer or a handheld terminal.
The utility model discloses a data acquisition device's primary function is connected through the ethernet interface with the host computer, sends radio signal after connecting and constructs wireless WIFI local area network, and the removal dull and stereotyped product that has wireless WIFI function this moment can be connected to the wireless local area network that this product founded, realizes communication in the local area network. When the wireless mobile equipment sends out a collection signal, the data collection device accesses the folder which the host computer allows to access through the Ethernet interface and transmits the accessed data to the wireless mobile equipment in real time, and at the moment, the wireless mobile equipment can be collected back to the storage medium of the wireless mobile equipment through the data collection device.
As shown in fig. 2-3, the embodiment of the utility model provides a data acquisition device, including RJ45 connector interface 1, RJ45 adapter module 2, wireless transmission circuit board subassembly 3 and casing subassembly 4, casing subassembly 4 is fixed the outside of wireless transmission circuit board subassembly 3, RJ45 connector interface 1 passes through RJ45 adapter module 2 connects wireless transmission circuit board subassembly 3, RJ45 connector interface bit 1 is located the outside of casing subassembly 4 is used for connecting the host computer, can realize to RJ45 net gape signal to wireless signal's conversion and send to realize the collection of wireless data.
The RJ45 adapter module 2 includes an adapter cable 21 and an RJ45 adapter plug 22, the adapter cable 21 connects the RJ45 connector interface 1 and the RJ45 adapter plug 22, and the RJ45 adapter plug 22 connects the wireless transmission circuit board module 3. The patch cord 2 is an RJ45 network cable with a shield, and has 8 wire cores in total. One end of the RJ45 switching crystal plug is connected with the switching line, and the other end of the RJ45 switching crystal plug can be connected with an RJ45 network port on the signal conversion circuit.
The RJ45 connector plug 1 is a plug with a square disc shell, and on the basis of a common RJ45 connector plug, a square disc is additionally arranged at the rear part, so that the square disc can be fixed with the shell. When in use, the plug is connected into an RJ45 socket of a data host needing to be transmitted.
The location mounting post can be fixed with the mounting hole in the casing.
The wireless transmission circuit board assembly 3 comprises a signal conversion circuit board and a battery connected with the signal conversion circuit board, and the signal conversion circuit board is used for connecting the RJ45 adapter assembly 2. As shown in fig. 4, the signal conversion circuit board includes: power module, level switching module, LAN interface module, wireless WIFI module.
As shown IN fig. 5, the power supply module includes two capacitors for filtering, R1 is a pull-up resistor, VDD _ IN provides a 5V power supply, P1 is supplied by an external battery, and when data acquisition is started, the external power supply provides a 5V dc voltage, and the whole circuit is started.
As shown in fig. 6, the level shift module performs level shift using a MAX232 chip, accesses a 5V level provided by a power supply, and provides a 3.3V level. And meanwhile, serial port communication with the main control WIFI module is realized through UART _ TX, UART _ RX, TXD and RXD.
As shown in fig. 7, the LAN interface module is provided with a network transformer to realize connection between the network port and the WIFI module, and is connected to the main control WIFI chip through "LINK 2", "TXOP 2", "TXON 2", "RXIP 2" and "RXIN 2" in the connection process. After the work is started, data are transmitted into the wireless WIFI module through the LAN interface.
As shown in fig. 8, the WIFI wireless module controls the on and off of the Green and Yellow indicator lights in the LAN interface module in fig. 7 through the level of LINK 2. The LAN interface data is received through four ports of "TXOP 2", "TXON 2", "RXIP 2" and "RXIN 2", and is converted into WIFI data to be transmitted.
The utility model discloses a data acquisition device's main function includes:
(1) the universal transmission function is provided, and data in various format types can be transmitted;
(2) the battery has a battery power supply function, can work in two states of an external power supply and a non-external power supply, and can be charged by the external power supply;
(3) the RJ45 connector plug is arranged, and an RJ45 socket can be butted with equipment;
(4) the electric energy display function is realized;
(5) the function of converting Ethernet signals into signals conforming to WIFI is achieved;
(6) the WIFI network AP end can be spontaneously formed, a plurality of signal receiving devices can be wirelessly and simultaneously accessed, and data transmission to the plurality of devices is realized.
(7) The button is turned on from the tape light, and the button is prevented touching by mistake.
As shown in fig. 9, the utility model also provides a use method of data acquisition system, including following step:
(1) the RJ45 connector plug of the data acquisition device is inserted into the RJ45 socket of the interface of the equipment to be transmitted, and an FTP server is constructed in the equipment host.
(2) The data acquisition device has the function of transmitting a wireless WIFI signal as an AP hotspot, opens a switch, then opens a wireless network card of an external data receiving device, accesses a wireless network established by the device, and establishes an FTP client.
(3) After networking is finished, the data acquisition device is in a state that data is to be transmitted,
(4) by operating the data receiving device, the desired folder is accessed, the data receiving folder is selected, and the data reading command is executed.
(5) And (4) finishing data reading work, repeating the step (4) to read other files, and closing the data acquisition device after the transmission of all the files is finished, thereby finishing the whole data acquisition work.
Claims (8)
1. A data acquisition system based on wireless transmission technology is used for acquiring data stored by a host, and is characterized by comprising a data acquisition device used for constructing a wireless WiFi local area network and a wireless mobile terminal used for receiving and storing the acquired data; the data acquisition device is used for connecting the host; the data acquisition device is in wireless connection with the wireless mobile terminal.
2. The data acquisition system based on wireless transmission technology as claimed in claim 1, wherein the data acquisition device comprises a connector interface, a switching component, a wireless transmission circuit board assembly, a housing assembly and a positioning mounting post, the wireless transmission circuit board assembly is fixedly connected to the inside of the housing assembly through the positioning mounting post, the wireless transmission circuit board assembly is connected to the connector interface through the switching component, and the connector interface is located outside the housing assembly and used for connecting a host.
3. The data acquisition system based on wireless transmission technology as claimed in claim 2, wherein the switching assembly comprises a patch cord and a switching crystal head, the patch cord is connected with the connector interface and the switching crystal head, and the switching crystal head is connected with the wireless transmission circuit board assembly.
4. The data acquisition system based on the wireless transmission technology as claimed in claim 3, wherein the patch cord is a shielded network cable, and has 8 cores.
5. The data acquisition system based on wireless transmission technology as claimed in claim 2, wherein the wireless transmission circuit board assembly comprises a signal conversion circuit board and a battery connected with the signal conversion circuit board, and the signal conversion circuit board is used for connecting the switching assembly.
6. The data acquisition system based on the wireless transmission technology as claimed in claim 5, wherein the signal conversion circuit board comprises a power supply module, a level conversion module, a LAN interface module and a wireless WiFi module; the power supply module is used for connecting the battery, the level conversion module is connected with the power supply module, the LAN interface module and the wireless WiFi module, the LAN interface module is connected with the wireless WiFi module, the LAN interface module is used for connecting the switching assembly, and the wireless WiFi module is used for sending wireless network signals.
7. The data acquisition system based on the wireless transmission technology as claimed in claim 5, wherein the wireless transmission circuit board assembly further comprises a charging module and a charging interface, and the charging module is connected with the battery and the charging interface.
8. The data acquisition system based on wireless transmission technology as claimed in claim 2, wherein the connector interface is a connector interface with a mounting square plate at the rear, and the mounting square plate is used for connecting with the shell assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922119194.8U CN211427477U (en) | 2019-12-02 | 2019-12-02 | Data acquisition system based on wireless transmission technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922119194.8U CN211427477U (en) | 2019-12-02 | 2019-12-02 | Data acquisition system based on wireless transmission technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211427477U true CN211427477U (en) | 2020-09-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922119194.8U Active CN211427477U (en) | 2019-12-02 | 2019-12-02 | Data acquisition system based on wireless transmission technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211427477U (en) |
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2019
- 2019-12-02 CN CN201922119194.8U patent/CN211427477U/en active Active
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