CN206819091U - Electronic installation for multi-channel data acquisition - Google Patents
Electronic installation for multi-channel data acquisition Download PDFInfo
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- CN206819091U CN206819091U CN201720513372.3U CN201720513372U CN206819091U CN 206819091 U CN206819091 U CN 206819091U CN 201720513372 U CN201720513372 U CN 201720513372U CN 206819091 U CN206819091 U CN 206819091U
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Abstract
The utility model belongs to vehicle diagnosis field, specifically provides a kind of electronic installation for multi-channel data acquisition.The utility model aims to solve the problem that the problem of multiple signals can produce interference in transmission process.For this purpose, the utility model provides a kind of electronic installation for multi-channel data acquisition, the electronic installation includes：Communication bus, including the first transmission line；At least two first communication modules, the transmitting terminal of the first communication module are connected to first transmission line；At least one second communication module, the receiving terminal of the second communication module are connected to first transmission line；Connected between the transmitting terminal and first transmission line of each first communication module one-way conduction element, the conducting direction of the one-way conduction element is to point to first transmission line from the first communication module.Because the one-way conduction element has the function of " one-way conduction and reversely cut-off ", therefore, it is possible to be gathered via multiple first communication modules and send multichannel external data simultaneously, without interfering with each other.
Description
Technical field
The utility model belongs to vehicle diagnosis field, specifically provides a kind of electronic installation for multi-channel data acquisition.
Background technology
Current electronics industry is continued to develop, and industry-by-industry is all generated to be influenceed far-reachingly.By taking automobile as an example, in order that vapour
For car during use, user can understand the real-time status of automobile, and producers with the addition of numerous biographies on automobile
Sensor electronic unit, so as to collect many places data on automobile, such as engine revolution, speed, oil consumption car in real time
The status informations such as lamp, car door, the data of collection are presented by bussing technique in instrument board or car running computer in the car, with
Just user is visually known the real-time operating conditions of automobile.But when automobile breaks down, the display device of automobile is not
Fault message can be fed back to user exactly in detail.
In order that developer and user can understand the fault message of automobile, people in the art exactly in further detail
Member develops a kind of data logger, and the data logger can read automobile real time data and root by automobile CAN-bus
The failure problems of automobile are quickly and accurately judged according to failure code.But because current data logger can only gather CAN all the way
The data of bus, can not meet the needs of automobile multichannel CAN data acquisitions.
Correspondingly, this area needs a kind of novel electronic devices to solve the above problems.
Utility model content
It has been to solve the problems, such as multi-channel data acquisition to solve above mentioned problem of the prior art, the utility model
A kind of electronic installation for multi-channel data acquisition is provided, the electronic installation includes：Communication bus, including the first transmission
Line；At least two first communication modules, the transmitting terminal of the first communication module are connected to first transmission line；It is at least one
Second communication module, the receiving terminal of the second communication module are connected to first transmission line；In each first communication
Connected between the transmitting terminal of module and first transmission line one-way conduction element, the conducting direction of the one-way conduction element is
First transmission line is pointed to from the first communication module.
In the optimal technical scheme of the above-mentioned electronic installation for multi-channel data acquisition, the communication bus also includes
Second transmission line；The first communication module also includes receiving terminal, and the receiving terminal is connected to second transmission line；Described
Two communication modules also include transmitting terminal, and the transmitting terminal is connected to second transmission line.
In the optimal technical scheme of the above-mentioned electronic installation for multi-channel data acquisition, the second communication module
Quantity is more than or equal to 2, and is also gone here and there between the transmitting terminal and second transmission line of each second communication module
It is associated with the one-way conduction element that conducting direction points to second transmission line from the second communication module.
In the optimal technical scheme of the above-mentioned electronic installation for multi-channel data acquisition, the one-way conduction element is
Diode or triode.
In the optimal technical scheme of the above-mentioned electronic installation for multi-channel data acquisition, the first communication module is
UART (universal asynchronous receiving-transmitting transmitter).
In the optimal technical scheme of the above-mentioned electronic installation for multi-channel data acquisition, the second communication module bag
Include wireless communication module and/or memory module
In the optimal technical scheme of the above-mentioned electronic installation for multi-channel data acquisition, the communication bus is UART
Universal serial bus.
In the optimal technical scheme of the above-mentioned electronic installation for multi-channel data acquisition, the electronic installation is automobile
Data logger.
It will be appreciated to those of skill in the art that in optimal technical scheme of the present utility model, one-way conduction member
The conducting direction of part is to point to the first transmission line from first communication module, specifically, when one of first communication module is sent
When data pass through one-way conduction element, one-way conduction element can be delivered to the first transmission line, Jin Erchuan in conducting state data
Second communication module is delivered to, because one-way conduction element has the function of " one-way conduction and reversely cut-off ", therefore, even if from the
The data that one communication module is sent flow to other first communication modules through the first transmission line, during by one-way conduction element, triggering
The function of one-way conduction element " reversely cut-off ", transmission channels can be disconnected, i.e., one of first communication module sends data
Shi Buhui interferes to other first communication modules being again connected on the first transmission line, therefore can be in the first transmission line
The upper multiple first communication modules of parallel connection, so as to gather multichannel external data, the opposing party simultaneously via multiple first communication modules
Face, " reversely cut-off " function of one-way conduction element avoid the data flow that one of first communication module is sent and equally connected
Other first communication modules being connected on the first transmission line, significantly reduce the overall power consumption of electronic installation.Second is logical
Believe that module is identical with the operation principle of first communication module, equally can send multichannel data by one-way conduction element.
Further, since being provided with wireless communication module, the characteristics of being wirelessly transferred is realized, the connection of wire is eliminated, connects
The position of receiving end is more flexible, is significantly provided conveniently for user.
Brief description of the drawings
Fig. 1 is the structure chart of the electronic installation preferred embodiment of the present utility model for multi-channel data acquisition；
Fig. 2 is the structure chart of the data collecting instrument of the present utility model for automobile.
Embodiment
The side of being preferable to carry out of the electronic installation of the present utility model for multi-channel data acquisition described with reference to the accompanying drawings
Formula.It will be apparent to a skilled person that these embodiments are used only for explaining technical principle of the present utility model, and
It is not intended to be limiting the scope of protection of the utility model.For example, although when carrying out one-way conduction it is to combine diode in specification
Come what is described, still, the utility model obviously can use the component that can realize identical effect of other forms；In addition,
Although specification is to combine the concrete application of the utility model to be in the car described, those skilled in the art
, it is understood that the utility model is also applied to other field, such as ship.
It should be noted that in description of the present utility model, unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.To those skilled in the art, it can understand that above-mentioned term exists as the case may be
Concrete meaning in the utility model.
Referring initially to Fig. 1, Fig. 1 is the structure chart of electronic installation of the present utility model.As shown in figure 1, the electronic installation bag
Communication bus, N number of first communication module and N are included more than or equal to 2, at least one second communication module and one-way conduction member
Part, specifically, communication bus include the first transmission line, and the transmitting terminal of each first communication module is connected to first transmission
Line, the receiving terminal of second communication module are connected to first transmission line, each first communication module transmitting terminal with it is described
Series connection one-way conduction element between first transmission line.Preferably, the one-way conduction element is diode.It should be noted that to the greatest extent
Pipe accompanying drawing is described by preferred embodiment of diode, but can also use other to realize the element of one-way conduction
Diode is substituted, such as is added by implementation of triode and its external circuits etc..
With continued reference to Fig. 1, the conducting direction of diode is to point to the first transmission line from first communication module, specifically, when
When one of first communication module (such as first communication module 1) sends data, its transmitting terminal is high level, by being connected to
During diode on the transmitting terminal of one first communication module, diode is conducting state, so as to which data can be delivered to
First transmission line, because diode has the function of " one-way conduction and reversely cut-off ", therefore, from the one first communication mould
The data that block is sent through the first transmission line flow to other first communication modules, and (such as first communication module 2 is to first communication module
When N), by corresponding each diode, transmission channels can be all disconnected, so as to solve signal in transmission process to homonymy
Other first communication modules produce the problem of interference, therefore can extend multiple first communication modules, while gather automobile multichannel
CAN data, on the other hand, " reversely cut-off " function of diode avoid the data flow that one first communication module is sent
To other first communication modules being again connected on the first transmission line, significantly reduce the overall power of electronic installation and disappear
Consumption.
With continued reference to Fig. 1, further, because the receiving terminal of second communication module is connected on the first transmission line, so as to
The data that first communication module is sent can be delivered to second communication module by the first transmission line.
With continued reference to Fig. 1, communication bus also includes the second transmission line, and similarly, second communication module includes transmitting terminal, and
And the transmitting terminal of each second communication module is all connected on the second transmission line, and the transmission of each second communication module
One-way conduction element is also in series between end and the second transmission line.Preferably, the one-way conduction element is diode.Need to illustrate
Although accompanying drawing is described by preferred embodiment of diode, it is apparent that can also substitute in other ways,
Such as triode.
With continued reference to Fig. 1, the conducting direction of diode is to point to the second transmission line from second communication module, specifically, when
When one of second communication module (such as second communication module 1) sends data, its transmitting terminal is high level, by with it is described
During the diode that one second communication module connects, diode is conducting state, so as to which data can be delivered to the second transmission line,
Because diode has the function of " one-way conduction and reversely cut-off ", therefore, the number sent from one second communication module
Other second communication modules (such as second communication module 2 and second communication module 3) are flowed to according to through the second transmission line, by corresponding
Diode when, transmission channels can be all disconnected, so as to solve signal in transmission process to homonymy other second communication moulds
Block produces the problem of interference, and on the other hand, " reversely cut-off " function of diode avoids one second communication module hair
The data flow sent is again connected to other second communication modules on the second transmission line, significantly reduces electronic installation entirety
Power consumption.
With continued reference to Fig. 1, similarly, first communication module also includes receiving terminal, and the receiving terminal is connected to the second transmission line
On, so as to which the data that second communication module is sent can be delivered in first communication module by the second transmission line.
Referring next to Fig. 2, Fig. 2 is the schematic diagram of the data collecting instrument of the present utility model for automobile.As shown in Fig. 2
The data logger is used to transfer from each item data and fault message of automobile multichannel CAN collection automobile and transmission instruction
Relevant information.Specifically, using universal asynchronous receiving-transmitting transmitter (commonly referred to as UART), communication bus is first communication module
UART universal serial bus, second communication module include memory module and wireless communication module.
As shown in Fig. 2 specifically, the data logger includes：Communication bus, including the first transmission line；N number of UART modules
And N is more than or equal to 2, and the transmitting terminal of each UART modules is connected to first transmission line；At least one wireless communication module,
The receiving terminal of the wireless communication module is connected to first transmission line；In the transmitting terminal and described first of each UART modules
Series connection one-way conduction element between transmission line.Preferably, the one-way conduction element is diode.It is it should be noted that although attached
Figure is described by preferred embodiment of diode, it is apparent that can also substitute in other ways, such as triode.
With continued reference to Fig. 2, the conducting direction of diode is to point to the first transmission line from UART modules, specifically, when wherein
When the data that one UART module (such as UART modules 1) sends pass through connected diode, diode is conducting state,
So as to which data can be delivered to the first transmission line, because diode has the function of " one-way conduction and reversely cut-off ", therefore, from
During the data that one UART modules are sent, its transmitting terminal is high level, and the data sent flow to other through the first transmission line
UART modules (such as UART modules 2 to UART module N), during by corresponding each diode, transmission channels can be all disconnected, from
And solve the problems, such as signal and interference is produced to other UART modules in transmission process.
With continued reference to Fig. 2, further, wireless communication module also includes receiving terminal, and receiving terminal is connected to the first transmission line
On, so as to which the data that UART modules are sent can be delivered to wireless communication module by the first transmission line.
With continued reference to Fig. 2, communication bus also includes the second transmission line, and similarly, wireless communication module also includes transmitting terminal,
And the transmitting terminal of each wireless communication module is all connected on the second transmission line, and the transmitting terminal of each wireless communication module
One-way conduction element is also in series between the second transmission line.Preferably, the one-way conduction element is diode.Need what is illustrated
It is, although accompanying drawing is described by preferred embodiment of diode, it is apparent that can also substitute in other ways, example
Such as triode.
With continued reference to Fig. 2, the conducting direction of diode is to point to the second transmission line from wireless communication module, specifically, when
When one of wireless communication module (such as wireless communication module 1) sends data, its transmitting terminal is high level, by with it is described
During the diode that one wireless communication module connects, diode is conducting state, so as to which data can be delivered to the second transmission line,
Because diode has the function of " one-way conduction and reversely cut-off ", therefore, the number sent from one wireless communication module
Other wireless communication modules (such as wireless communication module 2) are flowed to according to through the second transmission line, during by corresponding diode, are transmitted
Passage can be all disconnected, so as to solve the problems, such as that signal produces interference in transmission process to other wireless communication modules 2.
With continued reference to Fig. 2, similarly, UART modules also include receiving terminal, and the receiving terminal is connected on the second transmission line, from
And the data that wireless module is sent can be delivered in UART modules by the second transmission line.
With continued reference to Fig. 2, wireless communication module can be bluetooth module, and bluetooth module can be with mobile phone or other controls
Device connects, and user can carry out status scan to automobile by mobile phone or controller and obtain diagnostic result in time, side
Just user understands the work information of automobile, the characteristics of embodying nowadays time of cell-phone data transfer.On the other hand, the channel radio
Letter module can also be remote communication devices, the data message that will be received by remote communication devices, by wireless network
Computer, high in the clouds or the network address specified are passed to, realizes the characteristics of being wirelessly transferred, eliminates the connection of wire, and receive
The position at end is more flexible, is significantly provided conveniently for user.
Fig. 2 is finally referred to, the electronic installation also includes the memory module for being connected to the first transmission line, and memory module is used to store up
Deposit all data and failure code of automobile feedback, user investigate the data transferred during vehicle failure in memory can
Quickly and accurately to check the part that is out of order, while also provided convenience to service a car.
So far, combined preferred embodiment shown in the drawings describes the technical solution of the utility model, still, this
Art personnel are it is easily understood that the scope of protection of the utility model is expressly not limited to these embodiments.
On the premise of principle of the present utility model, those skilled in the art can make equivalent change to correlation technique feature
Or replace, the technical scheme after these are changed or replaced it is fallen within the scope of protection of the utility model.
Claims (8)
1. a kind of electronic installation for multi-channel data acquisition, it is characterised in that the electronic installation includes：
Communication bus, including the first transmission line；
At least two first communication modules, the transmitting terminal of the first communication module are connected to first transmission line；
At least one second communication module, the receiving terminal of the second communication module are connected to first transmission line；
Connected between the transmitting terminal and first transmission line of each first communication module one-way conduction element, the list
It is to point to first transmission line from the first communication module to the conducting direction of breakover element.
2. the electronic installation according to claim 1 for multi-channel data acquisition, it is characterised in that
The communication bus also includes the second transmission line；
The first communication module also includes receiving terminal, and the receiving terminal is connected to second transmission line；
The second communication module also includes transmitting terminal, and the transmitting terminal is connected to second transmission line.
3. the electronic installation according to claim 2 for multi-channel data acquisition, it is characterised in that the second communication mould
The quantity of block is more than or equal to 2, and between the transmitting terminal and second transmission line of each second communication module
Also it is in series with the one-way conduction element that conducting direction points to second transmission line from the second communication module.
4. the electronic installation according to any one of claim 1 to 3 for multi-channel data acquisition, it is characterised in that institute
It is diode or triode to state one-way conduction element.
5. the electronic installation according to any one of claim 1 to 3 for multi-channel data acquisition, it is characterised in that institute
It is UART to state first communication module.
6. the electronic installation according to any one of claim 1 to 3 for multi-channel data acquisition, it is characterised in that institute
Stating second communication module includes wireless communication module and/or memory module.
7. the electronic installation according to any one of claim 1 to 3 for multi-channel data acquisition, it is characterised in that institute
It is UART universal serial bus to state communication bus.
8. the electronic installation according to any one of claim 1 to 3 for multi-channel data acquisition, it is characterised in that institute
It is car data recorder to state electronic installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720513372.3U CN206819091U (en) | 2017-05-10 | 2017-05-10 | Electronic installation for multi-channel data acquisition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720513372.3U CN206819091U (en) | 2017-05-10 | 2017-05-10 | Electronic installation for multi-channel data acquisition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206819091U true CN206819091U (en) | 2017-12-29 |
Family
ID=60755499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720513372.3U Active CN206819091U (en) | 2017-05-10 | 2017-05-10 | Electronic installation for multi-channel data acquisition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206819091U (en) |
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2017
- 2017-05-10 CN CN201720513372.3U patent/CN206819091U/en active Active
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