CN104898184B - A kind of method of shipboard meteorological instrument sensor interface circuitry and mixed insertion identification access sensor - Google Patents
A kind of method of shipboard meteorological instrument sensor interface circuitry and mixed insertion identification access sensor Download PDFInfo
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- CN104898184B CN104898184B CN201510228637.0A CN201510228637A CN104898184B CN 104898184 B CN104898184 B CN 104898184B CN 201510228637 A CN201510228637 A CN 201510228637A CN 104898184 B CN104898184 B CN 104898184B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/02—Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed
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Abstract
A kind of method of shipboard meteorological instrument sensor interface circuitry simple in structure, can avoiding mispluging operation and raising equipment safety operation and mixed insertion identification access sensor.Technical solution is：A kind of shipboard meteorological instrument sensor interface circuitry, including host-side interface（1）, sensor side interface（2）, it is characterized in that the sensor side interface（2）Using pin core number, each pin is defined as P1 for 7 connector：5V, P2：12V, P3：24V, P4：GND, P5：485A, P6：485B, P7：T accesses detection.The invention also discloses the methods that it identifies access sensor.
Description
Technical field
The invention belongs to shipboard meteorological instrument sensor interface single-path architecture field, especially a kind of simple in structure, energy
It enough avoids mispluging operation and improves the shipboard meteorological instrument sensor interface circuitry of equipment safety operation and mixed insertion identification access biography
The method of sensor.
Background technology
Shipboard meteorological instrument requirement measures a variety of elements, a large amount of sensing equipments need to be accessed, such as wind sensor, temperature and humidity sensing
Device, baroceptor, water temperature, visibility, salinity, gyro compass, wave instrument, GPS, tachometer are totally 10 several, each equipment is all
A connector is needed, along with power of alterating and direct current access, satellite communication access, VDR outputs, point aobvious device output etc., connector
It is large number of.
Plug, the access operation of progress sensor plug-in part are needed when equipment is installed, particularly safeguarded, is needed in connector
Can maloperation be prevented by the method for connector not same core number in the case of asking few, but in the more situation of connector
Under not same core number scheme it is infeasible.Particularly in cabin equipment compartment, due to local narrow, the device identification on connector
It is not easy to check, operation is mispluged if easily generated in the case that core number is the same, if pin definitions are not note that very in design early period
It is possible that the situation of damage equipment.
Invention content
The object of the present invention is to provide it is a kind of it is simple in structure, can avoid mispluging operation and improve equipment safety operation
The method of shipboard meteorological instrument sensor interface circuitry and mixed insertion identification access sensor.
The technical scheme is that：A kind of shipboard meteorological instrument sensor interface circuitry, including host-side interface（1）, pass
Sensor end interface（2）, it is characterized in that the sensor side interface（2）Using pin core number, each pin is defined as 7 connector
P1：5V, P2：12V, P3：24V, P4：GND, P5：485A, P6：485B, P7：T accesses detection.
The host-side interface（1）, sensor side interface（2）It is connected by photoelectric coupling.
The method of shipboard meteorological instrument sensor interface circuitry mixed insertion identification access sensor, it is characterized in that including following step
Suddenly：
（1）Classification processing is carried out, then pin is defined to all access devices, RS232, RS485, RS422 are assisted
View equipment is classified as one kind respectively, and respectively with not same core number connector, the equipment of such three kinds of agreements is more again, also only with 3 core numbers
Connector；
（2）The foundation of database：It is carried out according to all the sensors communications protocol；
（3）When connector is inserted into, by light every an interruption will be generated in CPU P41 pins, system after generating is interrupted
It will start detecting and receive the data of the port, and sensor is differentiated according to sample data library, be completed when differentiating
When, by the information write device table.
Further include the following steps：
Data port is always to be in intercept state, even if in the case of the no wiring as required of P7 of incoming end,
If listening to data input, sensor can also be differentiated according to sample data library, when differentiating completion, this is believed
Cease write device table.
The present invention effect be：A kind of shipboard meteorological instrument sensor interface circuitry, the sensor side interface use pin
Core number is 7 connector, and each pin is defined as P1：5V, P2：12V, P3：24V, P4：GND, P5：485A, P6：485B, P7：T is
Access detection.By this different sensors for defining host and just can access 5V, 12V, 24V, other types interface is similar, only
Signal pins interface is different, and core number is different.So as to avoid mispluging operation and improve equipment safety operation.
The present invention is described further with reference to the accompanying drawings and examples.
Description of the drawings
Fig. 1 is the circuit diagram of the present invention；
Fig. 2 is host-side interface structure chart in Fig. 1；
Fig. 3 is sensor side interface schema in Fig. 1.
Specific embodiment
In Fig. 1, a kind of shipboard meteorological instrument sensor interface circuitry is described including host-side interface 1, sensor side interface 2
Sensor side interface 2 uses pin core number, and for 7 connector, each pin is defined as P1：5V, P2：12V, P3：24V, P4：GND,
P5：485A, P6：485B, P7：T accesses detection.Host-side interface 1, sensor side interface 2 are connected by photoelectric coupling.
Left side is device Host end in Fig. 1, and right side is sensor side, just be can access by this our host that defines
The different sensors of 5V, 12V, 24V.Other types interface is similar, and only signal pins interface is different, and core number is different.
The method of shipboard meteorological instrument sensor interface circuitry mixed insertion identification access sensor, includes the following steps：
（1）Classification processing is carried out, then pin is defined to all access devices, RS232, RS485, RS422 are assisted
View equipment is classified as one kind respectively, and respectively with not same core number connector, the equipment of such three kinds of agreements is more again, also only with 3 core numbers
Connector；
（2）The foundation of database：It is carried out according to all the sensors communications protocol；
（3）When connector is inserted into, by light every an interruption will be generated in CPU P41 pins, system after generating is interrupted
It will start detecting and receive the data of the port, and sensor is differentiated according to sample data library, be completed when differentiating
When, by the information write device table.
Data port is always to be in intercept state, even if in the case of the no wiring as required of P7 of incoming end,
If listening to data input, sensor can also be differentiated according to sample data library, when differentiating completion, this is believed
Cease write device table.
Illustrate by taking 24V sensors as an example, in the P7 pins of sensor incoming end, by itself and 24V power cord short circuits.When patching
Part be inserted into when, by light every will CPU P41 pins generate one interruption, interrupt generate after system will start detecting receive should
The data of port, and sensor is differentiated according to sample data library, when differentiating completion, by the information write device
Table.
Certainly, data port be always in intercepting state, even if incoming end P7 without wiring as required feelings
Under condition, if listening to data input, sensor can also be differentiated according to sample data library, when differentiating completion,
By the information write device table.
When adding in the access circuit mode of P7 pins, if can not confirmation input sensor or data by differentiating
When not inputted more than certain time, host can remind operating personnel to be intervened, to carry out equipment investigation in time.
Claims (3)
1. a kind of method of shipboard meteorological instrument sensor interface circuitry mixed insertion identification access sensor, wherein, shipboard meteorological instrument passes
Sensor interface circuit, including host-side interface (1), sensor side interface (2), it is characterized in that including the following steps：
(1) classification processing is carried out, then pin is defined to all access devices, RS232, RS485, RS422 agreement is set
Back-up is not classified as one kind, and respectively with not same core number connector, the equipment of such three kinds of agreements is more again, also only connecing with 3 kinds of core numbers
Plug-in unit；For RS485 class protocol devices, the sensor side interface (2) uses pin core number respectively to draw for 7 connector
Foot is defined as P1：5V, P2：12V, P3：24V, P4：GND, P5：485A, P6：485B, P7：T accesses detection；
(2) foundation of database：It is carried out according to all the sensors communications protocol；
(3) when connector is inserted into, by light every that will generate an interruption in CPU P41 pins, system will after interrupting generation
Start to detect the data of receiving sensor end interface, and sensor is differentiated according to sample data library, when having differentiated
Cheng Shi, the sensor information write device table that will be determined.
2. the method for shipboard meteorological instrument sensor interface circuitry mixed insertion identification access sensor according to claim 1,
It is characterized in that the host-side interface (1), sensor side interface (2) are connected by photoelectric coupling.
3. the method for shipboard meteorological instrument sensor interface circuitry mixed insertion identification access sensor according to claim 1,
It is characterized in further including the following steps：
Data port is always to be in intercept state, even if in the case of the no wiring as required of P7 of incoming end, if
Data input is listened to, sensor can also be differentiated according to sample data library, when differentiating completion, by what is determined
Sensor information write device table.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510228637.0A CN104898184B (en) | 2015-05-07 | 2015-05-07 | A kind of method of shipboard meteorological instrument sensor interface circuitry and mixed insertion identification access sensor |
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| CN201510228637.0A CN104898184B (en) | 2015-05-07 | 2015-05-07 | A kind of method of shipboard meteorological instrument sensor interface circuitry and mixed insertion identification access sensor |
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| CN104898184A CN104898184A (en) | 2015-09-09 |
| CN104898184B true CN104898184B (en) | 2018-06-15 |
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| CN201819996U (en) * | 2010-09-29 | 2011-05-04 | 西克麦哈克（北京）仪器有限公司 | Highway weather station system |
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| CN2660482Y (en) * | 2003-12-02 | 2004-12-01 | 中兴通讯股份有限公司 | General interface for multiple kinds of sensers |
| CN102636209A (en) * | 2012-05-17 | 2012-08-15 | 杨凌乾泰电子科技有限责任公司 | Expandable universal sensor interface and environment monitoring equipment using same |
| CN203243374U (en) * | 2013-05-24 | 2013-10-16 | 成都信息工程学院 | Comprehensive integrated system for ground meteorological observation |
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| KR20090118782A (en) * | 2008-05-14 | 2009-11-18 | 김용숙 | A portable weather instrument shelter and multi weather indicator |
| CN201464663U (en) * | 2009-09-04 | 2010-05-12 | 渤海石油通讯有限责任公司 | Collection and transmission device for ocean weather station |
| CN101776773A (en) * | 2010-01-28 | 2010-07-14 | 山东省科学院海洋仪器仪表研究所 | Testing system of ship weather instrument |
| CN201819996U (en) * | 2010-09-29 | 2011-05-04 | 西克麦哈克（北京）仪器有限公司 | Highway weather station system |
| CN204719250U (en) * | 2015-05-07 | 2015-10-21 | 山东省科学院海洋仪器仪表研究所 | A kind of shipboard meteorological instrument sensor interface circuitry |
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| CN104898184A (en) | 2015-09-09 |
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