CN208887677U - A kind of on-site test data acquisition device based on Bluetooth communication - Google Patents
A kind of on-site test data acquisition device based on Bluetooth communication Download PDFInfo
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- CN208887677U CN208887677U CN201821452946.1U CN201821452946U CN208887677U CN 208887677 U CN208887677 U CN 208887677U CN 201821452946 U CN201821452946 U CN 201821452946U CN 208887677 U CN208887677 U CN 208887677U
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- 230000005540 biological transmission Effects 0.000 description 17
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- 238000013480 data collection Methods 0.000 description 2
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- 230000005611 electricity Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
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- 238000009529 body temperature measurement Methods 0.000 description 1
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Abstract
The utility model discloses a kind of on-site test data acquisition device based on Bluetooth communication, including the processing chip and bluetooth module and temperature and humidity module using ARM kernel, the processing chip has USB host interface and USB device interface, the bluetooth module is 4.0 low-power consumption module of bluetooth, the UART1_TXD pin of the processing chip is connect with the UART_RXD pin of the bluetooth module, the UART1_RXD pin of the processing chip is connect with the UART_TXD pin of the bluetooth module, the Temperature and Humidity module uses Si7021 Temperature Humidity Sensor, the Temperature and Humidity module is connect by IIC interface with 8 STM8S single-chip microcontrollers, the STM8S single-chip microcontroller is drawn UART and is connect Mouth is connect with the UART8_RXD pin of the UART8_TXD pin of the processing chip and the processing chip respectively.The utility model is able to solve the low problem of prior art poor compatibility, collecting efficiency.
Description
Technical field
The utility model relates to electric device maintenance technical fields, examine more particularly to a kind of scene based on Bluetooth communication
Measured data acquisition device.
Background technique
The conveying of electric current often leads to be lost caused by generating heat because of route, so when conveying being increased by power transformation
Voltage allows electric current to become smaller to reduce heating loss.High-voltage electricity has very high risk, and target electric appliance does not need such height yet
Pressure, this just needs to reduce voltage by power transformation.Due to needing multiple power transformation during current transmission, so electric current
Conveying is known as power transmission and transformation.
For electric power power transmission and transforming equipment as the key equipment in operation of power networks, working condition is directly related to entire power grid
Safe operation, it is therefore desirable to the field data of power transmission and transforming equipment is acquired and be monitored, so as to timely learning power transmission and transforming equipment
Working condition, in the prior art, there are poor compatibility, collecting efficiency are low for the on-site test data acquisition device of power transmission and transforming equipment
The problem of, affect the working condition of electric power power transmission and transforming equipment.
Utility model content
The purpose of this utility model is that a kind of on-site test data acquisition device based on Bluetooth communication is proposed, to solve
The low problem of prior art poor compatibility, collecting efficiency.
A kind of on-site test data acquisition device based on Bluetooth communication, including using ARM kernel processing chip and
Bluetooth module and temperature and humidity module, the processing chip have USB host interface and USB device interface, the bluetooth mould
Block is 4.0 low-power consumption module of bluetooth, the UART1_TXD pin of the processing chip and the UART_RXD pin of the bluetooth module
The UART1_RXD pin of connection, the processing chip is connect with the UART_TXD pin of the bluetooth module, the temperature and humidity inspection
It surveys module and uses Si7021 Temperature Humidity Sensor, the Temperature and Humidity module passes through IIC interface and 8 STM8S monolithics
Machine connection, the STM8S single-chip microcontroller draw UART interface respectively with the UART8_TXD pin of the processing chip and the processing
The UART8_RXD pin of chip connects.
According to the utility model proposes the on-site test data acquisition device based on Bluetooth communication, using ARM kernel
Chip is handled, processing chip has USB host interface and USB device interface, and is integrated with bluetooth module, therefore can be real
The function of existing Bluetooth USB flash disk, the acquisition device can access detecting instrument in a manner of USB flash disk, and detecting instrument will test data file and write
Enter in the acquisition device, which can be carried out data transmission with mobile device by bluetooth approach, realized one and adopted
Acquisition means be compatible with different manufacturers, different instrument field data collection technical effect, compatibility is stronger, due to using bluetooth U
The transmission mode of disk, therefore data acquisition efficiency is higher, and bluetooth module uses 4.0 low-power consumption module of bluetooth, low in energy consumption, volume
Small, strong antijamming capability has faster transmission speed.
In addition, can also be had according to the on-site test data acquisition device provided by the utility model based on Bluetooth communication
There is following additional technical characteristic:
Further, the on-site test data acquisition device based on Bluetooth communication further includes NAND FLASH storage
Device.
Further, the NAND FLASH memory uses the flash memory chip of TC58 series.
Further, the maximum running frequency of the processing chip is 300Hz.
Further, the processing chip includes the D-Cache of the I-Cache and 16kB of 16kB.
Further, the VCC pin connection first capacitor of the bluetooth module and the second capacitor, the first capacitor and institute
State the parallel connection of the second capacitor, and the first capacitor and second capacity earth.
Further, the capacity of the first capacitor is 0.01uF.
Further, the capacity of second capacitor is 0.1uF.
Further, the on-site test data acquisition device based on Bluetooth communication accesses detecting instrument in a manner of USB flash disk,
Detecting instrument will test data file and be written in the on-site test data acquisition device based on Bluetooth communication, described based on indigo plant
The on-site test data acquisition device and mobile device of tooth communication are carried out data transmission by bluetooth approach, and the mobile device is real
When scan and collect the detection data file in the on-site test data acquisition device based on Bluetooth communication.
Further, the on-site test data acquisition device based on Bluetooth communication is by operating in arm linux
The lower operation C programmer of system carries out real time data friendship by bluetooth SPP agreement and mobile device to operate read-write USB flash disk data
Mutually.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the logical construction of the on-site test data acquisition device based on Bluetooth communication of an embodiment of the present invention
Schematic diagram；
Fig. 2 is the part circuit structure schematic diagram that chip is handled in Fig. 1；
Fig. 3 is the electrical block diagram of bluetooth module in Fig. 1；
Fig. 4 is the electrical block diagram of memory in Fig. 1；
Fig. 5 is the functional sequence of the on-site test data acquisition device based on Bluetooth communication of an embodiment of the present invention
Figure.
Specific embodiment
It is practical to this with reference to the accompanying drawing to keep the purpose of this utility model, feature and advantage more obvious and easy to understand
Novel specific embodiment is described in detail.Several embodiments of the utility model are given in attached drawing.But this is practical
It is novel to realize in many different forms, however it is not limited to embodiment described herein.On the contrary, providing these implementations
The purpose of example is to keep the disclosure to the utility model more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixedly arranged on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side ", "upper", "lower" and similar statement for illustrative purposes only, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.Term " and or " used herein includes one or more relevant listed items
Any and all combinations.
The on-site test data based on Bluetooth communication that an embodiment of the utility model proposes referring to FIG. 1 to FIG. 4, are adopted
Acquisition means, including the processing chip 10 and bluetooth module 20 and temperature and humidity module 30 using ARM kernel.
The processing chip 10 has USB host interface and USB device interface, and the highest of processing chip 10 runs frequency
Rate is 300Hz.The processing chip 10 includes D-Cache the and MMU memory management module of I-Cache, 16kB of 16kB.
Referring to Fig. 3, the bluetooth module 20 is 4.0 low-power consumption module of bluetooth, the onboard PCB antenna of module supports bluetooth
4.0, support BLE agreement, the UART1_TXD pin of the processing chip 10 and the UART_RXD pin of the bluetooth module 20 connect
It connects, the UART1_RXD pin of the processing chip 10 is connect with the UART_TXD pin of the bluetooth module 20.Bluetooth module 20
VCC pin connection first capacitor C1 and the second capacitor C2, the first capacitor C1 and the second capacitor C2 it is in parallel and described
First capacitor C1 and the second capacitor C2 ground connection.Preferably, the capacity of the first capacitor C1 is 0.01uF.Second electricity
The capacity for holding C2 is 0.1uF.
The Temperature and Humidity module 30 uses Si7021 Temperature Humidity Sensor, built-in humidity (humicap) and temperature
Spend (thermistor) sensor element, analog-digital converter, signal processing, calibration data and I2C host interface, module volume
Small, temperature measurement accuracy reaches ± 0.4 DEG C, and relative humidity precision is up to 4%.
The Temperature and Humidity module 30 is connect by IIC interface with 8 STM8S single-chip microcontrollers, the STM8S monolithic
Power traction goes out UART8_RXD of the UART interface respectively with the UART8_TXD pin of the processing chip 10 and the processing chip 10
Pin connection.
The on-site test data acquisition device based on Bluetooth communication of the present embodiment further includes NAND FLASH memory 40,
Storage for data, it is preferred that referring to Fig. 4, flash core of the NAND FLASH memory 40 using TC58 series
Piece, specially TC58NV.
The on-site test data acquisition device based on Bluetooth communication of the present embodiment accesses detecting instrument in a manner of USB flash disk, inspection
Surveying instrument will test in the data file write-in on-site test data acquisition device based on Bluetooth communication, described to be based on bluetooth
The on-site test data acquisition device of communication passes through indigo plant with mobile device (can specifically install corresponding APP on the mobile apparatus)
Tooth mode carries out data transmission, and the mobile device real time scan and the collection on-site test data based on Bluetooth communication are adopted
Detection data file in acquisition means.Pass through specifically, being somebody's turn to do the on-site test data acquisition device based on Bluetooth communication in arm
C programmer is run under linux operating system to operate read-write USB flash disk data, and is carried out by bluetooth SPP agreement and mobile device
Real time data interaction.
According to the on-site test data acquisition device provided in this embodiment based on Bluetooth communication, using the place of ARM kernel
Chip is managed, processing chip has USB host interface and USB device interface, and is integrated with bluetooth module, therefore can be realized
The function of Bluetooth USB flash disk, the acquisition device can access detecting instrument in a manner of USB flash disk, and detecting instrument will test data file write-in
In the acquisition device, which can be carried out data transmission with mobile device by bluetooth approach, realize an acquisition
Device be compatible with different manufacturers, different instrument field data collection technical effect, compatibility is stronger, due to using Bluetooth USB flash disk
Transmission mode, therefore data acquisition efficiency is higher, and bluetooth module uses 4.0 low-power consumption module of bluetooth, low in energy consumption, volume
Small, strong antijamming capability has faster transmission speed.
As a specific example, C programmer should be passed through based on the on-site test data acquisition device of Bluetooth communication, it is real
Bluetooth spp protocol communication under arm linux is showed, including has realized that catalogue browsing, file are read and deleted, data of the Temperature and Humidity module is read
Refresh the functions such as heavy duty, order execution with transmission, USB flash disk.Functional flow diagram is as shown in figure 5, specifically, signal procedure major function
Have:
1) bluetooth initializes
Bluetooth initializes the mainly baud rate to the UART interface communicated with bluetooth module, data bit, stop position, verification
The messaging parameters such as position, waiting time are configured, it is ensured that being capable of normal communication with bluetooth module.
2) Bluetooth communication is arranged
Bluetooth module can be configured by command mode, the messaging parameters such as including baud rate, data-transmission mode
(command mode, transparent transmission mode), sleep pattern etc..
3) catalogue is read
Main refresh reads file in USB flash disk, directory content is formed file, and file is passed through function of Bluetooth communication module
Send back mobile APP.
4) file operation
Including the reading, backup to file in USB flash disk and function is deleted, the text that mobile APP needs to operate according to catalogue selection
Part, sends commands to Bluetooth USB flash disk, and Bluetooth USB flash disk operates U disk file according to file manipulation command.
5) USB flash disk heavy duty
Detection device is read including system refresh, and USB flash disk content, USB flash disk of also reloading driving, so that detection device is written
Or computer can modification of the identifying system to USB flash disk content, with ensure system and detection device to USB flash disk and meanwhile operation synchronism.
6) order executes
It by peculiar mark, recognition command instruction, and is executed under system, realizes that mobile APP passes through remote command mode
System command operation is carried out to Bluetooth USB flash disk.
7) it automatically updates
More new procedures in automatic identification USB flash disk are completed program and are automatically updated, and complete USB flash disk self in system starting
Repair function.
8) temperature and humidity obtains
The real time humiture value in caching is directly acquired, mobile APP is sent to.Temperature and humidity obtains function and uses separate threads
Mode reads real-time epidemic disaster detection data by interface circulation, identifies and cache epidemic disaster data.
9) temperature and humidity module initialization
Mainly to the baud rate of the uart interface communicated with temperature and humidity module, data bit, stop position, check bit, when waiting
Between equal messaging parameters be configured, it is ensured that being capable of normal communication with temperature and humidity module.
10) temperature and humidity communications setting
Temperature and humidity module can be configured by command mode, the messaging parameters such as including baud rate.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (8)
1. a kind of on-site test data acquisition device based on Bluetooth communication, which is characterized in that including the processing using ARM kernel
Chip and bluetooth module and temperature and humidity module, the processing chip have USB host interface and USB device interface, institute
Stating bluetooth module is 4.0 low-power consumption module of bluetooth, the UART1_TXD pin and the bluetooth module of the processing chip
The UART1_RXD pin of the connection of UART_RXD pin, the processing chip is connect with the UART_TXD pin of the bluetooth module,
The Temperature and Humidity module uses Si7021 Temperature Humidity Sensor, and the Temperature and Humidity module passes through IIC interface and one 8
Position STM8S single-chip microcontroller connection, the STM8S single-chip microcontroller are drawn UART8_TXD of the UART interface respectively with the processing chip and are managed
Foot is connected with the UART8_RXD pin of the processing chip.
2. the on-site test data acquisition device according to claim 1 based on Bluetooth communication, which is characterized in that the base
In the on-site test data acquisition device of Bluetooth communication further include NAND FLASH memory.
3. the on-site test data acquisition device according to claim 2 based on Bluetooth communication, which is characterized in that described
NAND FLASH memory uses the flash memory chip of TC58 series.
4. the on-site test data acquisition device according to claim 1 based on Bluetooth communication, which is characterized in that the place
The maximum running frequency for managing chip is 300Hz.
5. the on-site test data acquisition device according to claim 1 based on Bluetooth communication, which is characterized in that the place
Manage the D-Cache that chip includes the I-Cache and 16kB of 16kB.
6. the on-site test data acquisition device according to claim 1 based on Bluetooth communication, which is characterized in that the indigo plant
The VCC pin connection first capacitor and the second capacitor of tooth module, the first capacitor and second capacitor are in parallel, and described the
One capacitor and second capacity earth.
7. the on-site test data acquisition device according to claim 6 based on Bluetooth communication, which is characterized in that described
The capacity of one capacitor is 0.01uF.
8. the on-site test data acquisition device according to claim 7 based on Bluetooth communication, which is characterized in that described
The capacity of two capacitors is 0.1uF.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109186668A (en) * | 2018-09-06 | 2019-01-11 | 国网江西省电力有限公司电力科学研究院 | A kind of on-site test data acquisition device based on Bluetooth communication |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109186668A (en) * | 2018-09-06 | 2019-01-11 | 国网江西省电力有限公司电力科学研究院 | A kind of on-site test data acquisition device based on Bluetooth communication |
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