CN206460452U - A kind of protocol conversion isolating interface module - Google Patents
A kind of protocol conversion isolating interface module Download PDFInfo
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- CN206460452U CN206460452U CN201720057999.2U CN201720057999U CN206460452U CN 206460452 U CN206460452 U CN 206460452U CN 201720057999 U CN201720057999 U CN 201720057999U CN 206460452 U CN206460452 U CN 206460452U
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- transceiver
- mcu
- isolating
- chip
- protocol conversion
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Abstract
The utility model embodiment discloses a kind of protocol conversion isolating interface module, for solving the MCU (microcontroller) that uses in the prior art without narrow application range caused by enough EBIs and protocol conversion circuitry integrated level be low, bulky technical problem.The utility model embodiment includes：MCU, at least two transceivers, isolating chip；MCU one end is connected with isolating chip one end, and the isolating chip other end is connected with transceiver one end；The transceiver other end is connected with external bus；The MCU other ends are connected with external devices；MCU, transceiver and isolating chip constitute the integrated circuit of encapsulating structure.
Description
Technical field
The utility model is related to isolating interface field, more particularly to a kind of protocol conversion isolating interface module.
Background technology
In industries such as Industry Control, BMS, the bus such as CAN, RS-485 buses is widely used.At present, control system
The complexity of function is continuously increased, and system needs more EBIs, so as to realize the control to more equipment and prison
Control.But in practical application, most MCU (microcontroller) only has 1~2 tunnel CAN controller, or 2~4 road serial ports, for one
The application of a little demand multiple bus has certain limitation.
In the prior art, if the MCU used is not with or without enough EBIs, designer can only reselect
MCU is designed, and MCU replacing is related to the cumbersome work such as the reconstruct of software, a wide range of change of circuit.And existing connect
Mouthful protocol conversion circuitry is the circuit that multiple separate units are constituted, in terms of isolation without integrated power supply isolation simultaneously and signal every
From and make the interface protocol that small size can be used directly and change isolation module.In addition, majority is also used in existing circuit
Similar MP2510 CAN controller chip, cost is high.
Utility model content
The utility model embodiment provides a kind of protocol conversion isolating interface module, solves what is used in the prior art
MCU does not have caused by enough EBIs narrow application range and protocol conversion circuitry integrated level is low, bulky technology is asked
Topic.
A kind of protocol conversion isolating interface module that the utility model embodiment is provided, including：
MCU, at least two transceivers, isolating chip；
MCU one end is connected with isolating chip one end, and the isolating chip other end is connected with transceiver one end；
The transceiver other end is connected with external bus, for receiving the data of external bus and being transmitted through isolating chip outside
Bus data to MCU and/or reception the MCU Data Concurrent transmitted through isolating chip send data to external bus；
The MCU other ends are connected with external devices, for receiving the data of outside transmission and after having been treated through isolated core
Piece sends the external bus data transmitted to transceiver and/or reception by transceiver through isolating chip and sent after having been treated
To outside；
MCU, transceiver, isolating chip constitute the integrated circuit of encapsulating structure.
Preferably, MCU is connected by SPI interface or UART interface with external devices；
Or
MCU is connected by SPI interface and UART interface with external devices.
Preferably, isolating chip be opto-coupler chip, magnetic every chip, hold every any one in chip.
Preferably, at least two transceivers include CAN transceiver or 485 transceivers or 232 transceivers or CAN transceiver and
485 transceivers or CAN transceiver and 232 transceivers or 485 transceivers and 232 transceivers or CAN transceiver and 485 transceivers and
232 transceivers.
Preferably, in addition to：Insulating power supply；
The input of insulating power supply is connected with isolating chip side, the output end of insulating power supply and isolating chip opposite side and
Transceiver is connected, for providing power supply；
Isolation circuit is DC-DC circuit, and isolation circuit output cathode VO1~VOn and output earth polar G1~Gn lead to outer
Portion is used as output pin.
Preferably, it is mutually isolated between the output of insulating power supply or does not isolate mutually.
Preferably, in addition to：
Shell and pin；
Integrated antenna package is filled with casting glue in shell in shell；
Pin for it is embedded inside the housing, and extend at least one end to housing exterior.
Preferably, pin number is 16, and pin is divided into two row, is uniformly and symmetrically distributed in package casing both sides.
Preferably, pin number is 14, and pin is divided into two row, is uniformly and symmetrically distributed in package casing both sides.
Preferably, pin also includes：
3rd row pin, the sides adjacent that the 3rd row pin arrangement is arranged in two row pins wherein one.
As can be seen from the above technical solutions, the utility model embodiment has advantages below：
A kind of protocol conversion isolating interface module that the utility model embodiment is provided, including：MCU, at least two transmitting-receivings
Device, isolating chip；MCU one end is connected with isolating chip one end, and the isolating chip other end is connected with transceiver one end；Transceiver is another
One end is connected with external bus, for receive external bus data and through isolating chip transmit external bus data to MCU and/
Or the Data Concurrent that reception MCU is transmitted through isolating chip send data to external bus；The MCU other ends are connected with external devices, are used
In the data for receiving external devices transmission and send to transceiver and/or receive by transceiver through isolating chip after having been treated
The external bus data transmitted through isolating chip are simultaneously sent to external devices after having been treated；MCU, at least two transceivers,
Isolating chip constitutes the integrated circuit of encapsulating structure, with integrated level is high and the characteristics of small volume, catered to electronic product small-sized
Change, modular trend, solve the MCU used in the prior art do not have caused by enough EBIs narrow application range with
And protocol conversion circuitry integrated level is low, bulky technical problem.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
A kind of protocol conversion isolating interface modular circuit structural representation that Fig. 1 provides for the utility model embodiment；
Fig. 2 turns the outside drawing that two-way 485 isolates modular converter for a kind of SPI/UART that the utility model embodiment is provided；
Fig. 3 turns the front view that two-way 485 isolates modular converter for a kind of SPI/UART that the utility model embodiment is provided；
Fig. 4 turns the bottom view that two-way 485 isolates modular converter for a kind of SPI/UART that the utility model embodiment is provided；
Fig. 5 turns the top view that two-way 485 isolates modular converter for a kind of SPI/UART that the utility model embodiment is provided；
Fig. 6 turns the pin point of the isolation modular converter of two-way 485 for a kind of SPI/UART that the utility model embodiment is provided
Butut；
Fig. 7 turns the outside drawing that single channel CAN isolates modular converter for a kind of SPI/UART that the utility model embodiment is provided；
Fig. 8 turns the front view that single channel CAN isolates modular converter for a kind of SPI/UART that the utility model embodiment is provided；
Fig. 9 turns the bottom view that single channel CAN isolates modular converter for a kind of SPI/UART that the utility model embodiment is provided；
Figure 10 turns the vertical view that single channel CAN isolates modular converter for a kind of SPI/UART that the utility model embodiment is provided
Figure；
Figure 11 turns the pin point of single channel CAN isolation modular converters for a kind of SPI/UART that the utility model embodiment is provided
Butut.
Embodiment
The utility model embodiment discloses a kind of protocol conversion isolating interface module, for solving to use in the prior art
MCU there is no caused by enough EBIs narrow application range and protocol conversion circuitry integrated level is low, bulky technology
Problem.
Referring to Fig. 1, a kind of protocol conversion isolating interface module that the utility model embodiment is provided, including：
MCU, at least two transceivers, isolating chip；Wherein, at least two transceivers include the transmitting-receiving based on different agreement
Device, such as CAN transceiver, 485 transceivers, 232 transceivers.
MCU one end is connected with isolating chip one end, and the isolating chip other end is connected with transceiver one end；
The transceiver other end is connected with external bus, for receiving the data of external bus and being transmitted through isolating chip outside
Bus data to MCU and/or reception the MCU Data Concurrent transmitted through isolating chip send data to external bus；
The MCU other ends are connected with external devices, for receiving external devices, such as outside MCU, and the data of transmission are simultaneously being carried out
After processing through isolating chip send to transceiver and/or receive the external bus data transmitted by transceiver through isolating chip and
Sent after being handled to external devices；
MCU, transceiver, isolating chip constitute the integrated circuit of encapsulating structure.
Further,
MCU is connected by SPI interface or UART interface with external devices；
Or
MCU is connected by SPI interface and UART interface with external devices.
Further,
Isolating chip be opto-coupler chip, magnetic every chip, hold every any one in chip.
Further,
At least two transceivers include CAN transceiver or 485 transceivers or 232 transceivers or CAN transceiver and 485 transmitting-receivings
Device or CAN transceiver and 232 transceivers or 485 transceivers and 232 transceivers or CAN transceiver and 485 transceivers and 232 transmitting-receivings
Device.Wherein, the transceiver of selection can arbitrarily be chosen from CAN transceiver and 485 transceivers and 232 transceivers.Such as, have two
Individual transceiver, respectively CAN transceiver and 484 transceivers；Such as, there are two transceivers, respectively 485 transceivers and 232 are received
Send out device；Such as, there are three transceivers, respectively CAN transceiver and 485 transceivers and 232 transceivers；Such as, there are four transmitting-receivings
Device, respectively two CAN transceivers and 485 transceivers and 232 transceivers.
Further, in addition to：Insulating power supply；
The input of insulating power supply is connected with isolating chip side, the output end of insulating power supply and isolating chip opposite side and
Transceiver is connected, for providing power supply；
Isolation circuit is DC-DC circuit, and isolation circuit output cathode VO1~VOn and output earth polar G1~Gn lead to outer
Portion is as output pin, or is not brought up.
Further,
Can be mutually isolated between the output of isolation circuit, it can not also isolate, when transceiver is connected with multiple bus, every
It is mutually isolated between the output of circuit, when transceiver is connected with single channel bus, do not isolate between power isolation circuit output,
Then current potential is equal between isolation circuit output cathode VO1~VOn, and current potential is equal between isolation circuit output earth polar G1~Gn, i.e. VO1=
VO2=...=VOn, G1=G2=...=Gn.
It should be noted that protocol conversion isolating interface module can have SPI interface, UART interface or two kinds of interfaces simultaneously
In the presence of.MCU can be connected with one or more isolating chips, and one or more bus output interface is constituted with transceiver.Its
In, MCU can be model LPC11C14 MCU.
Outside MCU is communicated by SPI or UART interface with module, and above-mentioned one or more transceivers can be controlled to send
Or receive data.
Outside MCU transfers data to internal MCU by SPI or UART interface, after internal MCU processing, by all the way or
Multichannel isolating chip and transceiver are sent to bus.
External bus data, internal MCU, internal MCU processing are sent to by one or more transceiver and isolating chip
Afterwards, sent by SPI or UART interface to external devices.
Further, in addition to：
Shell and pin；
Integrated antenna package can be printed to pcb board encapsulation in shell, and in shell filled with casting glue, i.e. integrated circuit
In the inside of shell, wherein shell can be plastic shell, and enclosure is filled with casting glue；
Pin for it is embedded inside the housing, and extend at least one end to housing exterior, i.e. pin one end and enclosure
Integrated circuit connection, the other end of pin leans out the outside of shell.Fig. 2~Fig. 6 is referred to, respectively SPI/UART turns two-way
Outside drawing, front view, bottom view, top view and the pin distribution map of 485 isolation modular converters.
Wherein, pin number is 16, and pin is divided into two row, is uniformly and symmetrically distributed in package casing both sides；
Distance between lead column and row is that the distance between 12.7mm, the pin of same row is 2.54mm.
Further, refer to Fig. 7~Figure 11, respectively SPI/UART turn single channel CAN isolation modular converters outside drawing,
Front view, bottom view, top view and pin distribution map.
Wherein, pin number is 14, and pin is divided into two row, is uniformly and symmetrically distributed in package casing both sides；
Distance between lead column and row is that the distance between 15.24mm, the pin of same row is 2.54mm.
Further,
Pin also includes：
3rd row pin, the sides adjacent that the 3rd row pin arrangement is arranged in two row pins wherein one；
Distance between 3rd row pin is 2.54mm.
A kind of protocol conversion isolating interface module that the utility model embodiment is provided, including：MCU, at least two transmitting-receivings
Device, isolating chip；MCU one end is connected with isolating chip one end, and the isolating chip other end is connected with transceiver one end；Transceiver is another
One end is connected with external bus, for receive external bus data and through isolating chip transmit external bus data to MCU and/
Or the Data Concurrent that reception MCU is transmitted through isolating chip send data to external bus；The MCU other ends are connected with external devices, are used
In the data for receiving external devices transmission and send to transceiver and/or receive by transceiver through isolating chip after having been treated
The external bus data transmitted through isolating chip are simultaneously sent to external devices after having been treated；MCU, transceiver, isolating chip
The integrated circuit of encapsulating structure is constituted, with integrated level is high and the characteristics of small volume, catered to miniaturization of electronic products, modularization
Trend, solving the MCU used in the prior art does not have narrow application range and agreement caused by enough EBIs to turn
Change that circuit level is low, bulky technical problem.
A kind of protocol conversion isolating interface module provided by the utility model is described in detail above, for this
The those skilled in the art in field, according to the thought of the utility model embodiment, can in specific embodiments and applications
There is change part, in summary, this specification content should not be construed as to limitation of the present utility model.
Claims (10)
1. a kind of protocol conversion isolating interface module, it is characterised in that including：
MCU, at least two transceivers, isolating chip；
Described MCU one end is connected with described isolating chip one end, and the isolating chip other end is connected with described transceiver one end；
The transceiver other end is connected with external bus, for receiving the data of external bus and being transmitted through the isolating chip
The external bus data to the MCU and/or the reception MCU Data Concurrent transmitted through the isolating chip send the number
According to external bus；
The MCU other ends are connected with external devices, for receive outside transmission data and after having been treated described in every
Off-chip piece sends to the transceiver and/or receives the external bus data transmitted by the transceiver through the isolating chip simultaneously
Send after having been treated to outside；
The MCU, the transceiver, the isolating chip constitute the integrated circuit of encapsulating structure.
2. protocol conversion isolating interface module according to claim 1, it is characterised in that the MCU by SPI interface or
UART interface is connected with external devices；
Or
The MCU is connected by SPI interface and UART interface with external devices.
3. protocol conversion isolating interface module according to claim 1, it is characterised in that the isolating chip is optocoupler core
Piece, magnetic are every chip, appearance every any one in chip.
4. protocol conversion isolating interface module according to claim 1, it is characterised in that transceiver bag described at least two
Include CAN transceiver or 485 transceivers or 232 transceivers or CAN transceiver and 485 transceivers or CAN transceiver and 232 transceivers
Or 485 transceiver and 232 transceivers or CAN transceiver and 485 transceivers and 232 transceivers.
5. protocol conversion isolating interface module according to claim 1, it is characterised in that also include：Insulating power supply；
The input of the insulating power supply is connected with the isolating chip side, and the output end of the insulating power supply is isolated with described
Chip opposite side and the transceiver are connected, for providing power supply；
The isolation circuit is DC-DC circuit, and the isolation circuit output cathode VO1~VOn and output earth polar G1~Gn are drawn
Output pin is used as to outside.
6. protocol conversion isolating interface module according to claim 5, it is characterised in that the output of the insulating power supply it
Between be mutually isolated or do not isolate mutually.
7. protocol conversion isolating interface module according to claim 1, it is characterised in that also include：
Shell and pin；
The integrated antenna package is filled with casting glue in the shell in the shell；
The pin extends at least one end to the housing exterior to be embedded in the enclosure.
8. protocol conversion isolating interface module according to claim 7, it is characterised in that the pin number is 16,
The pin is divided into two row, is uniformly and symmetrically distributed in the package casing both sides.
9. protocol conversion isolating interface module according to claim 7, it is characterised in that the pin number is 14,
The pin is divided into two row, is uniformly and symmetrically distributed in the package casing both sides.
10. protocol conversion isolating interface module according to claim 9, it is characterised in that the pin also includes：
3rd row pin, the sides adjacent that the 3rd row pin arrangement is arranged in the two row pins wherein one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720057999.2U CN206460452U (en) | 2017-01-17 | 2017-01-17 | A kind of protocol conversion isolating interface module |
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| CN201720057999.2U CN206460452U (en) | 2017-01-17 | 2017-01-17 | A kind of protocol conversion isolating interface module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106708766A (en) * | 2017-01-17 | 2017-05-24 | 广州致远电子股份有限公司 | Protocol conversion isolated interface module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106708766A (en) * | 2017-01-17 | 2017-05-24 | 广州致远电子股份有限公司 | Protocol conversion isolated interface module |
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Address after: Room 517, 1023 Gaopu Road, Tianhe Software Park, Tianhe District, Guangzhou City, Guangdong Province Patentee after: GUANGZHOU ZHIYUAN ELECTRONICS Co.,Ltd. Address before: 510000 Room 204, 2nd Floor, 1035 Gaopu Road, Tianhe District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU ZHIYUAN ELECTRONICS Co.,Ltd. |
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Address after: 510000 room 306, 3rd floor, 43 Sicheng Road, software park, Tianhe District, Guangzhou City, Guangdong Province Patentee after: GUANGZHOU ZHIYUAN ELECTRONICS Co.,Ltd. Address before: Room 517, 1023 Gaopu Road, Tianhe Software Park, Tianhe District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU ZHIYUAN ELECTRONICS Co.,Ltd. |