CN208092450U - A kind of IRIG-B decodings coding display device - Google Patents
A kind of IRIG-B decodings coding display device Download PDFInfo
- Publication number
- CN208092450U CN208092450U CN201820543057.XU CN201820543057U CN208092450U CN 208092450 U CN208092450 U CN 208092450U CN 201820543057 U CN201820543057 U CN 201820543057U CN 208092450 U CN208092450 U CN 208092450U
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- module
- irig
- microcontroller
- coding
- decodings
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Abstract
The utility model discloses a kind of IRIG-B decodings coding display device, including decoding coding module, forwarding module, display module, time source module, toggle switch, power supply module, microcontroller, it is characterised in that：The display module, time source module, toggle switch and microcontroller are electrically connected, the decoding coding module is made of RS485 differential receiveds circuit and electrical isolation circuit, the decoding coding module is connected with PTO, CCP pin of microcontroller, the forwarding module is made of RS485 interface circuits and RS232 interface circuit, the RS485 interface circuits are connected with the UART1 interfaces of microcontroller, and the RS232 interface circuit is connected with the UART2 interfaces of microcontroller.The utility model can also can be used as the signal source of IRIG-B to the device forwards synchronous timing signal for not having IRIG-B reception abilities, call and use for equipment, system.
Description
Technical field
The utility model is related to electronic communication technology field more particularly to a kind of IRIG-B decoding coding display devices.
Background technology
Synchronization time is needed between industrial automation especially field of electric power automation, different equipment.It is existing
Synchronization time method in, the method based on IRIG-B serial synchronous timing codes is very common one kind.IRIG-B is one
String passes through the pulse signal of specific coding comprising the same amount time, if the receiving port that conventional equipment is not special, it is difficult directly to connect to be
It receives and decodes time signal.Therefore, it is necessary to by intermediate reception and decoding apparatus, time signal be decoded to come, with mark
Accurate serial RS485, RS232 signal needs synchronous conventional equipment to provide synchronization time to other.When main IRIG-B signal sources not
In the presence of, and when equipment development, system debug, need IRIG-B signals for debugging interim use, if there are one portable IRIG-B
Signal generation apparatus is very easily.When debugging, maintenance circuit, if there are one the devices of portable IRIG-B time showings
It is also very necessary.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of IRIG-B decodings coding display dress
It sets.
To achieve the above object, the utility model provides following technical solution to realize：
A kind of IRIG-B decodings coding display device, including decoding coding module, forwarding module, display module, time source
Module, toggle switch, power supply module, microcontroller, it is characterised in that：The display module, time source module, toggle switch and list
Piece machine is electrically connected, and the decoding coding module is made of RS485 differential receiveds circuit and electrical isolation circuit, and the decoding is compiled
Code module is connected with PTO, CCP pin of microcontroller, and the forwarding module is by RS485 interface circuits and RS232 interface circuit
Composition, the RS485 interface circuits are connected with the UART1 interfaces of microcontroller, the RS232 interface circuit and microcontroller
UART2 interfaces are connected, and the power supply module is connected with the internal electric source of microcontroller, and the display module is light-emitting diode display,
The time source module is RTC clock.
Preferably, the RTC clock built-in temperature compensation mechanism.
Preferably, the power supply module is made of the first power supply source and the second power supply source, first power supply source is DC/
DC modules, second power supply source are miniUSB charging interfaces.
Preferably, being both provided with TVS Anti-surgings electrostatic protection electricity on the RS485 interface circuits, RS232 interface circuit
Road.
Preferably, the light-emitting diode display is clock display charactron, model KYX-3662AS.
Preferably, the RS485 differential receiveds circuit uses MAX485 chips.
Preferably, the model IAP15W4K40S4 of the microcontroller.
Compared with prior art, the utility model has the beneficial effects that：Decoding mode is received when device works in IRIG-B
When, it receives IRIG-B differential pulses using RS485 differential received circuits and is converted to Transistor-Transistor Logic level, be sent to through electrical isolation circuit
The CCP input pins of microcontroller, the CCP pulse capture units of microcontroller measure the width of pulse, and then decoding time, has decoded
Time it is adjusted after, two kinds of standards of RS485, RS232 are converted to by microcontroller, are sent to miscellaneous equipment, while will solve
The time of code shows on light-emitting diode display, and synchronous RTC clock；When device is set as IRIG-B code generator working methods,
The RTC clock time is encoded to IRIG-B format signals by microcontroller, poor by PTO pins, then through electrical isolation circuit, RS485
Point receiving circuit, in the form of differential pulse pulse signal is externally provided.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Reference numeral：1, microcontroller；2, RS485 differential receiveds circuit；3, electrical isolation circuit；4, coding module is decoded；
5, time source module；6, RS485 interface circuits；7, RS232 interface circuit；8, forwarding module；9, power supply module；10, mould is shown
Block；11, toggle switch.
Specific implementation mode
IRIG-B decodings coding display device a kind of to the utility model shown in below in conjunction with the accompanying drawings is further described.
A kind of IRIG-B decoding coding display device, including decoding coding module 4, forwarding module 8, display module 10, when
Between source module 5, toggle switch 11, power supply module 9 and microcontroller 1, display module 10, time source module 5, toggle switch 11 with it is single
Piece machine 1 is electrically connected, and decoding coding module 4 is made of RS485 differential receiveds circuit 2 and electrical isolation circuit 3, decoding coding mould
Block 4 is connected with PTO, CCP pin of microcontroller 1, and forwarding module 8 is by 7 groups of RS485 interface circuits 6 and RS232 interface circuit
At RS485 interface circuits 6 are connected with the UART1 interfaces of microcontroller 1, and RS232 interface circuit 7 and the UART2 of microcontroller 1 connect
Mouth is connected, and power supply module 9 is connected with the internal electric source of microcontroller 1, and display module 10 is light-emitting diode display, time source module 5
For RTC clock.Preferably, RTC clock built-in temperature compensation mechanism.Preferably, power supply module 9 is by the first power supply source and
Two power supply sources form, and the first power supply source is DC/DC modules, and the second power supply source is miniUSB charging interfaces.Preferably, RS485
TVS Anti-surging electrostatic discharge protective circuits are both provided on interface circuit 6, RS232 interface circuit 7.Preferably, light-emitting diode display is
Clock display charactron, model KYX-3662AS.Preferably, RS485 differential receiveds circuit 2 uses MAX485 chips.Make
To be preferred, the model IAP15W4K40S4 of microcontroller 1.
When device, which works in IRIG-B, receives decoding mode, IRIG-B time code streams are input to RS485 differential received electricity
Road 2 carries out differential received and is converted to Transistor-Transistor Logic level signal, after 3 Phototube Coupling of electrical isolation circuit, send to the CCP of microcontroller 1
Pin.CCP is pulse capture input terminal, can accurately measure the width of input pulse, then by decoding, is included in
Time signal in IRIG-B.After obtaining correct time signal, according to the setting of toggle switch 11, if right side communication port works
In master station mode, time signal is actively sent to miscellaneous equipment with the forms of broadcasting immediately, has often received a frame time and has just forwarded one
It is secondary；If right side communication port is operated in slave station mode, miscellaneous equipment can read the present apparatus and receive newest time signal at this time.It is logical
Frame format is interrogated, Modbus-RTU/ASCII standards are met.The time received, which is sent to light-emitting diode display, to be shown, while built in calibration
RTC clock.
When device, which works in IRIG-B, encodes sending mode, local RTC clock signal is encoded to by microcontroller 1 to be met
The train of pulse of IRIG-B standards becomes difference form by PTO pins through electrical isolation circuit 3, RS485 differential receiveds circuit 2
IRIG-B pulses, be sent out.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (7)
1. a kind of IRIG-B decodings coding display device, including decoding coding module, forwarding module, display module, time source mould
Block, toggle switch, power supply module and microcontroller, it is characterised in that：The display module, time source module, toggle switch and list
Piece machine is electrically connected, and the decoding coding module is made of RS485 differential receiveds circuit and electrical isolation circuit, and the decoding is compiled
Code module is connected with PTO, CCP pin of microcontroller, and the forwarding module is by RS485 interface circuits and RS232 interface circuit
Composition, the RS485 interface circuits are connected with the UART1 interfaces of microcontroller, the RS232 interface circuit and microcontroller
UART2 interfaces are connected, and the power supply module is connected with the internal electric source of microcontroller, and the display module is light-emitting diode display,
The time source module is RTC clock.
2. a kind of IRIG-B decodings coding display device according to claim 1, it is characterised in that：In the RTC clock
Set temperature compensation mechanism.
3. a kind of IRIG-B decodings coding display device according to claim 1, it is characterised in that：The power supply module by
First power supply source and the second power supply source composition, first power supply source are DC/DC modules, and second power supply source is miniUSB
Charging interface.
4. a kind of IRIG-B decodings coding display device according to claim 1, it is characterised in that：The RS485 interfaces
TVS Anti-surging electrostatic discharge protective circuits are both provided on circuit, RS232 interface circuit.
5. a kind of IRIG-B decodings coding display device according to claim 1, it is characterised in that：The light-emitting diode display
For clock display charactron, model KYX-3662AS.
6. a kind of IRIG-B decodings coding display device according to claim 1, it is characterised in that：The RS485 difference
Receiving circuit uses MAX485 chips.
7. a kind of IRIG-B decodings coding display device according to claim 1, it is characterised in that：The type of the microcontroller
Number be IAP15W4K40S4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820543057.XU CN208092450U (en) | 2018-04-17 | 2018-04-17 | A kind of IRIG-B decodings coding display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820543057.XU CN208092450U (en) | 2018-04-17 | 2018-04-17 | A kind of IRIG-B decodings coding display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208092450U true CN208092450U (en) | 2018-11-13 |
Family
ID=64055297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820543057.XU Expired - Fee Related CN208092450U (en) | 2018-04-17 | 2018-04-17 | A kind of IRIG-B decodings coding display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208092450U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110109157A (en) * | 2019-06-12 | 2019-08-09 | 中国地震局地震预测研究所 | A kind of B code generating unit and device |
| CN113572941A (en) * | 2021-08-16 | 2021-10-29 | 中国科学院长春光学精密机械与物理研究所 | Multifunctional image acquisition device applied to CPCI computer |
-
2018
- 2018-04-17 CN CN201820543057.XU patent/CN208092450U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110109157A (en) * | 2019-06-12 | 2019-08-09 | 中国地震局地震预测研究所 | A kind of B code generating unit and device |
| CN113572941A (en) * | 2021-08-16 | 2021-10-29 | 中国科学院长春光学精密机械与物理研究所 | Multifunctional image acquisition device applied to CPCI computer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20200417 |