CN207264365U - Multi-data synchronous harvester and multi-data synchronous acquisition system - Google Patents
Multi-data synchronous harvester and multi-data synchronous acquisition system Download PDFInfo
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- CN207264365U CN207264365U CN201720728374.4U CN201720728374U CN207264365U CN 207264365 U CN207264365 U CN 207264365U CN 201720728374 U CN201720728374 U CN 201720728374U CN 207264365 U CN207264365 U CN 207264365U
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Abstract
The utility model provides a kind of multi-data synchronous harvester and multi-data synchronous acquisition system, is related to data collecting field.Synchronous includes multi-data synchronous harvester, and synchronous data sampling device, which includes time control unit and the sensing unit and main control unit that are electrically connected respectively with time control unit, sensing unit, includes multiple sensors；Main control unit gives time control unit for sending acquisition instructions；Time control unit is used in synchronization send the acquisition instructions received so that multiple sensors are acquired the data of synchronization to multiple sensors；Time control unit is additionally operable to be handled the data sending that multiple sensors collect to main control unit.Acquisition instructions are sent by main control unit and give time control unit, time control unit synchronization sends acquisition instructions to multiple sensors, in order to which multiple sensors are acquired the data of synchronization, so as to ensure the synchronism and accuracy for the data that main control unit receives.
Description
Technical field
Data collecting field is the utility model is related to, in particular to a kind of multi-data synchronous harvester and majority
According to synchronous.
Background technology
With the continuous development of computer technology, the different data acquisition unit of terminal generally use, such as sensor, come
Various data environments outside obtaining, so as to ensure that some work(are realized in the application of terminal using the external environment that sensor gathers
Energy.
Between sensor and processor, generally pass through bus transfer, such as I2C buses, SPI (Serial Peripheral
Interface, Serial Peripheral Interface (SPI)) bus etc..Some applications need processor to go to read the content that multisensor is read, then
General solution is all on these sensor strings to same bus access processor, allows processor program to read sensing
The data that device transmits, in this way, all sensors share a physical circuit, read according to program order.Some processors
Go to read the data that different sensors transmits using different bus interface, and read by program order.
Therefore, because it is that processor reads the data that these sensors transmit in order respectively, i.e. sent out to a sensor
The order for reading data is sent, receives data, then is sent to second sensor, receives data etc..This sequentially has several data
The time difference of position, therefore, what is actually collected is not the physical quantity at the same time.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of multi-data synchronous harvester and multi-data synchronous to adopt
Collecting system, to improve the above problem.
To achieve these goals, the technical solution adopted in the utility model is as follows：
In a first aspect, a kind of multi-data synchronous harvester, the synchronous data sampling device includes main control unit, time control
Unit and sensing unit, the sensing unit include multiple sensors, the time control unit and the sensing unit and described
Main control unit is electrically connected；
The main control unit is used to send acquisition instructions to the time control unit；
The time control unit be used for will the acquisition instructions that receive sent in synchronization to multiple sensors so that
Multiple sensors are acquired the data of synchronization；
The data sending that the time control unit is additionally operable to collect multiple sensors is carried out to the main control unit
Processing.
Further, the time control unit is programmable logic array.
Further, the programmable logic array is CPLD.
Further, the programmable logic array is FPGA.
Further, the time control unit includes clock synchronization circuit, multiple sensor interfaces and serial bus, described
Clock synchronization circuit is electrically connected with the main control unit and multiple sensor interfaces, and the sensing unit passes through institute
State sensor interface to be electrically connected with the clock synchronization circuit, multiple sensors pass through the serial bus and the master
Unit is controlled to be electrically connected；
The clock synchronization circuit is used to receive the acquisition instructions that the main control unit is sent, and the acquisition instructions are existed
Synchronization is sent to multiple sensor interfaces；
The clock synchronization circuit sends out the data of the multiple sensor collections received by the serial bus
The main control unit is given to be handled.
Further, the time control unit further includes multiple buffers, and the sensing unit electrically connects with the buffer
It is electrically connected after connecing with the serial bus.
Further, the time control unit further includes the number for the data in the buffer to be read out and integrated
According to reassembly algorithm circuit, multiple buffers are electrically connected by the data recombination algorithm circuit and the serial bus.
Further, the serial bus is universal serial bus.
Further, the serial bus is parallel bus.
Second aspect, a kind of multi-data synchronous acquisition system, including claim 1-9 any one of them multi-data synchronous
Harvester.
The utility model provides a kind of multi-data synchronous harvester and multi-data synchronous acquisition system, described
The utility model provides a kind of multi-data synchronous harvester and multi-data synchronous acquisition system, synchronous acquisition system
System includes multi-data synchronous harvester, and synchronous data sampling device includes time control unit and electrically connects with time control unit respectively
The sensing unit and main control unit connect, sensing unit include multiple sensors；Main control unit is used to send acquisition instructions to time control
Unit；The acquisition instructions that time control unit is used to receive are sent so that multiple sensors are to same in synchronization to multiple sensings
The data at one moment are acquired；Time control unit is additionally operable to carry out the data sending that multiple sensors collect to main control unit
Processing.Acquisition instructions are sent by main control unit and give time control unit, time control unit synchronization sends to multiple sensors and gathers
Instruction, in order to which multiple sensors are acquired the data of synchronization, so as to ensure the same of the data that main control unit receives
Step property and accuracy.
To enable the above-mentioned purpose of the utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Attached drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of composition schematic diagram for synchronous data sampling device that the utility model embodiment provides；
Fig. 2 is a kind of time control cellular construction schematic diagram for synchronous data sampling device that the utility model embodiment provides；
Fig. 3 is the structural representation of the time control unit for another synchronous data sampling device that the utility model embodiment provides
Figure；
Fig. 4 is the composition schematic diagram for another synchronous data sampling device that the utility model embodiment provides.
Icon：10- synchronous acquisition devices；100- main control units；200- time control units；201- clock synchronization circuits；202-
Serial bus；203- sensor interfaces；204- buffers；205- data recombination algorithm circuits；300- sensing units；301- is sensed
Device.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term is " even
Connect " it should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or it is integrally connected；It can be machine
Tool is connected or is electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, it can understand that above-mentioned term is new in this practicality with concrete condition
Concrete meaning in type.
A kind of referring to Fig. 1, composition schematic diagram of the synchronous data sampling device 10 provided for the utility model embodiment.
The synchronous data sampling device 10 includes main control unit 100, time control unit 200 and sensing unit 300, and time control unit 200 is with passing
Sense unit 300 and main control unit 100 are electrically connected, and sensing unit 300 includes multiple sensors 301, each sensor 301
It is electrically connected respectively with time control unit 200；
Main control unit 100 is used to send acquisition instructions to time control unit 200；
Time control unit 200 is used in synchronization send the acquisition instructions received so that more to multiple sensors 301
A sensor 301 is acquired the data of synchronization；
The data sending that time control unit 200 is additionally operable to collect multiple sensors 301 to main control unit 100 at
Reason.
Main control unit 100 is probably a kind of IC chip, has the disposal ability of signal.Above-mentioned main control unit
100 can be general processor, including central processing unit (Central Processing Unit, CPU), network processing unit
(Network Processor, NP) etc.；Can also be digital signal processor (DSP)), it is application-specific integrated circuit (ASIC), ready-made
Programmable gate array (FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware group
Part.It can realize or perform disclosed each method, step and the logic diagram in the utility model embodiment.General processor
Can be microprocessor or the processor can also be any conventional processor etc..The time control unit 200 will be various defeated
Enter/output device is coupled to the main control unit 100.
When it is implemented, main control unit 100 is also connected with memory, memory is adopted for storing the transmission of main control unit 100
The data and main control unit 100 that multiple sensing units 300 that collection instructs corresponding data, time control unit 200 to transmit collect
The result that the data collected according to multiple sensing units 300 are handled.Memory may be, but not limited to, and arbitrary access is deposited
Reservoir (Random Access Memory, RAM), read-only storage (Read Only Memory, ROM), may be programmed read-only deposit
Reservoir (Programmable Read-Only Memory, PROM), erasable read-only memory (Erasable
Programmable Read-Only Memory, EPROM), electricallyerasable ROM (EEROM) (Electric Erasable
Programmable Read-Only Memory, EEPROM) etc..Wherein, memory is used for storage program, and main control unit 100 exists
After receiving execute instruction, described program is performed.
When it is implemented, velocity sensor and gyroscope are the base components of inertia measurement mechanism.Current small microchip
The acceleration transducer and gyroscope of change are progressively substituting the gyroscope of traditional mechanical structure.Utilize acceleration transducer and top
The quadratic integral algorithm of spiral shell instrument, inertia measurement mechanism can measure the movement locus of object.Some applications utilize multiple acceleration
Sensor and gyroscope, can make up array and go to carry out the algorithm of differential filtering, the required precision to 301 gathered data of sensor
Also it is higher and higher.Therefore multiple sensors 301 are acquired data in the same time, and main control unit 100 is transferred to after integration,
It can thus accomplish the synchronism of 301 gathered data of sensor, to meet to require to use under stronger occasion in synchronism.
Further, in the present embodiment, time control unit 200 is programmable logic array.When it is implemented, programmable logic
Array can be CPLD, but be not limited to CPLD, such as FPGA.
When it is implemented, main control unit 100 is by using CPLD or FPGA connections sensor 301.Programmable logic array
Unlike microcontroller, the inside operation is not program, is the logic circuit directly generated, thus can carry out it is parallel also
It is the operation of time synchronization, so that connected sensor 301 is carried out at the same time data acquisition.
A kind of referring to Fig. 2, space time unit knot of the synchronous data sampling device 10 provided for the utility model embodiment
Structure schematic diagram.Time control unit 200 includes clock synchronization circuit 201, multiple sensor interfaces 203 and serial bus 202, clock
Synchronous circuit 201 is electrically connected with main control unit 100 and multiple sensor interfaces 203, and sensing unit 300 passes through sensor
Interface 203 is electrically connected with clock synchronization circuit 201, and multiple sensors 301 pass through serial bus 202 and the electricity of main control unit 100
Property connection；
Clock synchronization circuit 201 is used for the acquisition instructions for receiving the transmission of main control unit 100, and by acquisition instructions in same a period of time
It is sent to multiple sensor interfaces 203 quarter.
In the present embodiment, main control unit 100 sends acquisition instructions to clock synchronization circuit 201, by clock synchronization circuit
After 201 are handled, collection is sent to the sensor 301 being connected with sensor interface 203 at the same time by serial bus 202 and is referred to
Order.For example, cpu (microcontroller) sends the signal of request data to fpga, by clock synchronization circuit 201, CPLD allows SPI port
1,2,3 initiates to ask at the same time, so that the sensor 301 connected with SPI port 1,2,3 works at the same time.
The data that the multiple sensors 301 received gather are sent to by clock synchronization circuit 201 by serial bus 202
Main control unit 100 is handled.
In the present embodiment, data synchronization circuit is additionally operable to receive the data that multiple sensors 301 gather, in order to sense
The data that device 301 gathers are analyzed and processed.
Referring to Fig. 3, the time control unit of another synchronous data sampling device 10 provided for the utility model embodiment
200 structure diagram.
Time control unit 200 further includes multiple buffers 204, sensing unit 300 be electrically connected with buffer 204 after with serial ports
Bus 202 is electrically connected.
When it is implemented, sensor 301 carries out data acquisition after receiving acquisition instructions, and the data collected are kept in
Into buffer 204.
Further, time control unit 200 further includes the data for the data in buffer 204 to be read out and integrated
Reassembly algorithm circuit 205, multiple buffers 204 are electrically connected by data recombination algorithm circuit 205 with serial bus 202.
When it is implemented, in multiple 301 gatherer processes of sensor, data be passed at the same time successively respective port distributed it is slow
Storage 204.Each sensor 301 is each after whole end of transmissions, and data recombination algorithm circuit 205 is by respective buffer 204
Data read-out and integration, it is unified to send collection content to main control unit 100.To ensure to pass what main control unit 100 received
The time synchronization of gathered data, so that the data message that main control unit 100 receives is the collection of 301 same period of sensor
Data.
For example, main control unit 100 sends acquisition instructions to time control unit 200, by clock synchronization circuit 201, CPLD controls
Make each SPI port and initiate acquisition instructions to the sensor 301 being connected with the port at the same time, so that sensor 301 performs collection
Instruction.Each sensor 301 is at the same time kept in the data collected to corresponding buffer 204.It is each within the time
In 301 gatherer process of sensor, data are passed to the buffer 204 distributed respective port at the same time successively.All sensors 301 are each
From after whole end of transmissions, data recombination algorithm circuit 205 is unified by the data read-out in respective buffer 204 and integration
Collection content is sent to main control unit 100.Complete to adopt it is understood that 301 end of transmission of sensor can refer to sensor 301
Collection instruction, completes whole acquisition operations, or is to complete acquisition operations within the default period, which can be with
It is adjusted according to the specific precision that main control unit 100 needs.Such as, Data Integration of every millisecond of progress is set, is sent out after integration
It is sent to main control unit 100.
Referring to Fig. 4, the composition signal of another synchronous data sampling device 10 provided for the utility model embodiment
Figure.Main control unit 100 is connected to clock synchronization circuit 201 and serial bus 202.
Wherein, serial bus 202 can be universal serial bus, but be not limited to universal serial bus, such as parallel bus.
Main control unit 100 is used to receive the collection after the processing of data recombination algorithm circuit 205 by serial bus 202
Data, it may therefore be assured that the data that multiple sensors 301 that main control unit 100 receives collect are to carry out the same time,
Using ensure main control unit 100 receive data for sensor 301 in real time collection and while reception data.
The present embodiment additionally provides a kind of multi-data synchronous acquisition system, including above-mentioned multi-data synchronous harvester
10。
When it is implemented, multi-data synchronous acquisition system is applied to terminal, the terminal is by the system to sensor 301
Data are acquired, so as to ensure that the application of terminal realizes some functions using the external environment that sensor 301 gathers.
In conclusion the utility model provides a kind of multi-data synchronous harvester and multi-data synchronous acquisition system,
It is related to data collecting field.Synchronous includes multi-data synchronous harvester, and synchronous data sampling device includes time control
Unit and the sensing unit and main control unit being electrically connected respectively with time control unit, sensing unit include multiple sensors；It is main
Control unit gives time control unit for sending acquisition instructions；Time control unit be used for will the acquisition instructions that receive in synchronization to more
A sensing unit is sent so that multiple sensors are acquired the data of synchronization；Time control unit is additionally operable to multiple sensings
The data sending that device collects is handled to main control unit.Acquisition instructions are sent by main control unit and give time control unit, time control
Unit synchronization sends acquisition instructions to multiple sensors, in order to which multiple sensors adopt the data of synchronization
Collection, so as to ensure the synchronism and accuracy for the data that main control unit receives.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the present invention, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.It should be noted that
Arrive：Similar label and letter represents similar terms in following attached drawing, therefore, once determined in a certain Xiang Yi attached drawing
Justice, then further need not be defined and explained to it in subsequent attached drawing.
The above, is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be described with power
Subject to the protection domain that profit requires.
Claims (10)
1. a kind of multi-data synchronous harvester, it is characterised in that the synchronous data sampling device includes main control unit, time control
Unit and sensing unit, the sensing unit include multiple sensors, the time control unit and the sensing unit and described
Main control unit is electrically connected；
The main control unit is used to send acquisition instructions to the time control unit；
The acquisition instructions that the time control unit is used to receive are sent so that multiple in synchronization to multiple sensors
The sensor is acquired the data of synchronization；
The data sending that the time control unit is additionally operable to collect multiple sensors is handled to the main control unit.
2. multi-data synchronous harvester as claimed in claim 1, it is characterised in that the time control unit is programmable logic
Array.
3. multi-data synchronous harvester as claimed in claim 2, it is characterised in that the programmable logic array is
CPLD。
4. multi-data synchronous harvester as claimed in claim 2, it is characterised in that the programmable logic array is
FPGA。
5. multi-data synchronous harvester as claimed in claim 1, it is characterised in that it is synchronous that the time control unit includes clock
Circuit, multiple sensor interfaces and serial bus, the clock synchronization circuit and the main control unit and multiple biographies
Sensor interface is electrically connected, and the sensing unit is electrically connected by the sensor interface and the clock synchronization circuit,
Multiple sensors are electrically connected by the serial bus and the main control unit；
The clock synchronization circuit is used to receive the acquisition instructions that the main control unit is sent, and by the acquisition instructions same
Moment is sent to multiple sensor interfaces；
The data of the multiple sensor collections received are sent to by the clock synchronization circuit by the serial bus
The main control unit is handled.
6. multi-data synchronous harvester as claimed in claim 5, it is characterised in that the time control unit further includes multiple slow
Storage, the sensing unit are electrically connected after being electrically connected with the buffer with the serial bus.
7. multi-data synchronous harvester as claimed in claim 6, it is characterised in that the time control unit further include for pair
The data recombination algorithm circuit that data in the buffer are read out and integrate, multiple buffers pass through the data
Reassembly algorithm circuit is electrically connected with the serial bus.
8. multi-data synchronous harvester as claimed in claim 7, it is characterised in that the serial bus is universal serial bus.
9. multi-data synchronous harvester as claimed in claim 7, it is characterised in that the serial bus is parallel bus.
10. a kind of multi-data synchronous acquisition system, it is characterised in that same including the 8 or 9 more data of any one of them of claim
Walk harvester.
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| CN201720728374.4U CN207264365U (en) | 2017-06-21 | 2017-06-21 | Multi-data synchronous harvester and multi-data synchronous acquisition system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107092446A (en) * | 2017-06-21 | 2017-08-25 | 上海浅雪汽车电子有限公司 | Multi-data synchronous harvester and multi-data synchronous acquisition system |
| CN109189717A (en) * | 2018-09-07 | 2019-01-11 | 郑州信大先进技术研究院 | A kind of multi-source data synchronous |
| CN109639380A (en) * | 2018-11-29 | 2019-04-16 | 青岛海信电器股份有限公司 | Processing method, device, equipment and the storage medium of MIPI signal |
-
2017
- 2017-06-21 CN CN201720728374.4U patent/CN207264365U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107092446A (en) * | 2017-06-21 | 2017-08-25 | 上海浅雪汽车电子有限公司 | Multi-data synchronous harvester and multi-data synchronous acquisition system |
| CN109189717A (en) * | 2018-09-07 | 2019-01-11 | 郑州信大先进技术研究院 | A kind of multi-source data synchronous |
| CN109639380A (en) * | 2018-11-29 | 2019-04-16 | 青岛海信电器股份有限公司 | Processing method, device, equipment and the storage medium of MIPI signal |
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