CN107942830A - 450MHz channel device quick self-checking circuits and implementation method based on digit chip - Google Patents
450MHz channel device quick self-checking circuits and implementation method based on digit chip Download PDFInfo
- Publication number
- CN107942830A CN107942830A CN201711421759.7A CN201711421759A CN107942830A CN 107942830 A CN107942830 A CN 107942830A CN 201711421759 A CN201711421759 A CN 201711421759A CN 107942830 A CN107942830 A CN 107942830A
- Authority
- CN
- China
- Prior art keywords
- feet
- chip
- arm processor
- circuit
- power management
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 238000004891 communication Methods 0.000 claims abstract description 19
- 230000005611 electricity Effects 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000003137 locomotive effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mobile Radio Communication Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
A kind of 450MHz channel device quick self-checking circuits and implementation method based on digit chip, arm processor chip N1B chips are used for the work for controlling each circuit of self-checking circuit；Power management chip N6 is used to be detected channel device power supply；Whether radio frequency detection circuit N16 is normal for detecting 450MHz channel devices radio frequency part；Protocol conversion chip N11 is used for the communication interface for providing arm processor chip N1B and 450MHz channel devices, and allowing between the two can be with normal communication；Warning circuit VT4 is used to externally be alarmed when arm processor chip N1B detects channel device exception, notifies client's on-call maintenance.The present invention effectively can be detected 450MHz channel devices, it can be determined that whether channel device can work normally, and find failure in advance.When detecting abnormal, meeting and alarm, notify client's on-call maintenance.
Description
Technical field
The present invention relates to a kind of 450MHz channel device quick self-checking circuits and implementation method based on digit chip.For with
Family is convenient, fast, whether efficient detection 450MHz channel devices can work normally, in order to avoid influence locomotive operation safety.
Background technology
Cab integrated radio communication is used for the communication between railway locomotive and locomotive, locomotive and station etc., ensures machine
The normal orderly function of car.Application of the cab integrated radio communication on china railway is more than 8 years, in the daily of railway
Increasingly important function is played in transportation command.Since cab integrated radio communication input is used, with railway transportation
The development of cause, constantly proposes cab integrated radio communication new functional requirement, relevant departments are successively sent out with department
A series of equipment of cab integrated radio communications of cloth and complementary technology specification is applied, constantly improve locomotive comprehensive wireless leads to
Believe function, technical requirements and maintenance service of equipment etc..But limited be subject to equipment framework and application platform, function optimization upgrading
It is restricted, so being badly in need of exploitation cab integrated radio communication of new generation.And 450MHz channel devices are locomotive comprehensive wireless
The most important thing, indispensable communication carrier in communication equipment.
The content of the invention
In view of problem existing in the prior art, in order to ensure the normal work of 450MHz channel devices, and believes in 450MHz
It can detect and alarm in time during road machine operation irregularity, the present invention provides a kind of 450MHz channel devices based on digit chip quickly certainly
Examine circuit and implementation method.
To achieve the above object, used technical solution is the present invention：A kind of 450MHz channels based on digit chip
Machine quick self-checking circuit, it is characterised in that：Including arm processor, power conversion chip, power management chip, protocol conversion core
Piece, radio frequency detection circuit, warning circuit；
The arm processor is connected with power management chip, protocol conversion chip, radio frequency detection circuit, warning circuit respectively, institute
State power conversion chip be used for by input supply voltage be converted to circuit can with after the voltage of normal use give each circuit power；
Arm processor is used for the work for controlling each circuit of self-checking circuit；Power management chip, which is used to power to channel device, to carry out
Detection；Whether radio frequency detection circuit is normal for detecting 450MHz channel devices radio frequency part；Protocol conversion chip is used to provide ARM
Processor chips and the communication interface of 450MHz channel devices, allowing between the two can be with normal communication；Warning circuit is used at ARM
Reason device is externally alarmed when detecting channel device exception；
Physical circuit is connected as：
After input voltage VCC-IN is converted to the available VCC of circuit by power conversion chip N3, power to circuit；Arm processor
11 feet of chip N1B are connected with 2 feet of power management chip N6, for controlling power management chip MP5021B to enter failure shape
Whether recover detection automatically after state；10 feet of arm processor chip N1B are connected with 1 foot of power management chip N6, for controlling
The power output function of power management chip processed；35 feet of arm processor chip N1B are connected with 9 feet of power management chip N6,
The fault-signal of power management chip output is read for arm processor chip N1B；143 feet of arm processor chip N1B with
The 8 feet connection of power management chip N6, the electric current for arm processor chip N1B collection power management chip outputs；At ARM
6 feet with radio frequency detection circuit N16,4 feet are connected 2 feet, 6 feet of reason device chip N1B respectively, defeated for reading radio frequency detection circuit
The signal gone out；33 feet of arm processor chip N1B are connected with the base stage of warning circuit VT4, for driving buzzer to be reported
It is alert；44 feet, 47 feet, 48 feet, 14 feet, 46 feet, 54 feet, 57 feet, 58 feet, 63 feet of arm processor chip N1B, be corresponding in turn in
4 feet, 2 feet, 1 foot, 28 feet, 5 feet, 7 feet, 10 feet, 11 feet, 12 feet of protocol conversion chip N11 are connected, for arm processor
Chip N1B and protocol conversion chip N11 are into row data communication；Channel device interface XS7 is used to lead to 450M channel devices progress data
Letter；
The model LM22670 of power conversion chip N3；
The model LPC4337 of arm processor chip N1B；
The model MP5021B of power management chip N6；
The model 5M40ZE64I5 of protocol conversion chip N11.
A kind of implementation method of the 450MHz channel device quick self-checking circuits based on digit chip, it is characterised in that step
It is as follows：
When this circuit carries out self-test to 450MHz channel devices, the 10 feet output high level control power supply pipe of arm processor chip N1B
Chip is managed to power to channel device；Turned by 44 feet, 47 feet, 48 feet, 14 feet, 46 feet, 54 feet, 57 feet, 58 feet, 63 foot control protocols
Change chip N11 and send control command to 450MHz channel devices, channel device is entered emission state；Arm processor chip N1B passes through
The channel device current working current of the 8 feet output of 143 feet collection power management chip N6, power management chip is gathered by 35 feet
The fault-signal of output；2 feet of arm processor chip N1B, 6 feet of 6 feet collection radio frequency detection circuit N16, the electricity of 4 feet output
Signal is pressed, it is whether normal by analyzing current radio frequency part；When arm processor chip N1B judges 450M channel device operation irregularities
When, the 10 feet output low level control power management chip closing channel machine power supply of arm processor chip N1B, arm processor core
The 33 feet output high level of piece N1B, carries out audible alarm, to notify that client is timely by the driving buzzer of warning circuit VT4
Safeguard.
The beneficial effects of the invention are as follows：During original cab integrated radio communication work, user can not learn
Whether 450MHz channel devices are normal, and only at work, just meeting discovery feature is abnormal, seriously affects work efficiency.Energy of the present invention
Effectively 450MHz channel devices are detected, it can be determined that whether channel device can work normally, and find failure in advance.Work as inspection
When surveying abnormal, meeting and alarm, notify client's on-call maintenance.
Brief description of the drawings
Fig. 1 connects block diagram for circuit of the present invention；
Fig. 2 is the circuit diagram of power conversion chip of the present invention and power management chip；
Fig. 3 is the circuit diagram of protocol conversion chip of the present invention；
Fig. 4 is the circuit diagram of arm processor chip of the present invention；
Fig. 5 is the circuit diagram of radio frequency detection circuit of the present invention；
Fig. 6 is the circuit diagram of warning circuit of the present invention；
Fig. 7 is channel device interface diagram of the present invention.
Embodiment
For a clearer understanding of the present invention, it is described in detail below in conjunction with drawings and examples.
As shown in Figures 1 to 7, a kind of 450MHz channel device quick self-checking circuits based on digit chip, it is characterised in that：
Including arm processor, power conversion chip, power management chip, protocol conversion chip, radio frequency detection circuit, warning circuit.
After input voltage VCC-IN is converted to the available VCC of circuit by power conversion chip N3, power to circuit；At ARM
11 feet of reason device chip N1B are connected with 2 feet of power management chip N6, for controlling power management chip MP5021B to enter event
Whether recover detection automatically after barrier state；10 feet of arm processor chip N1B are connected with 1 foot of power management chip N6, are used for
Control the power output function of power management chip；35 feet of arm processor chip N1B connect with 9 feet of power management chip N6
Connect, the fault-signal of power management chip output is read for arm processor chip N1B；143 feet of arm processor chip N1B
It is connected with 8 feet of power management chip N6, the electric current for arm processor chip N1B collection power management chip outputs；ARM
6 feet with radio frequency detection circuit N16,4 feet are connected 2 feet, 6 feet of processor chips N1B respectively, for reading radio frequency detection circuit
The signal of output；33 feet of arm processor chip N1B are connected with the base stage of warning circuit VT4, for driving buzzer to be reported
It is alert；44 feet, 47 feet, 48 feet, 14 feet, 46 feet, 54 feet, 57 feet, 58 feet, 63 feet of arm processor chip N1B, be corresponding in turn in
4 feet, 2 feet, 1 foot, 28 feet, 5 feet, 7 feet, 10 feet, 11 feet, 12 feet of protocol conversion chip N11 are connected, for arm processor
Chip N1B and protocol conversion chip N11 are into row data communication；Channel device interface XS7 is used to lead to 450M channel devices progress data
Letter.
The model LM22670 of power conversion chip N3；
The model LPC4337 of arm processor chip N1B chips N1B；
The model MP5021B of power management chip N6；
The model 5M40ZE64I5 of protocol conversion chip N11.
A kind of implementation method of the 450MHz channel device quick self-checking circuits based on digit chip, step are as follows：
When this circuit carries out self-test to 450MHz channel devices, the 10 feet output high level control power supply pipe of arm processor chip N1B
Chip is managed to power to channel device；Turned by 44 feet, 47 feet, 48 feet, 14 feet, 46 feet, 54 feet, 57 feet, 58 feet, 63 foot control protocols
Change chip N11 and send control command to 450MHz channel devices, channel device is entered emission state；Arm processor chip N1B passes through
The channel device current working current of the 8 feet output of 143 feet collection power management chip N6, power management chip is gathered by 35 feet
The fault-signal of output；2 feet of arm processor chip N1B, 6 feet of 6 feet collection radio frequency detection circuit N16, the electricity of 4 feet output
Signal is pressed, whether analyze current radio frequency part by computational algorithm normal；When arm processor chip N1B judges 450M channel devices
During operation irregularity, the 10 feet output low level control power management chip closing channel machine power supply of arm processor chip N1B, ARM
The 33 feet output high level of processor chips N1B, carries out audible alarm, with notice by the driving buzzer of warning circuit VT4
Client safeguards in time.
Claims (2)
- A kind of 1. 450MHz channel device quick self-checking circuits based on digit chip, it is characterised in that：Including arm processor, electricity Source conversion chip, power management chip, protocol conversion chip, radio frequency detection circuit, warning circuit；The arm processor is connected with power management chip, protocol conversion chip, radio frequency detection circuit, warning circuit respectively, institute State power conversion chip be used for by input supply voltage be converted to circuit can with after the voltage of normal use give each circuit power；Arm processor is used for the work for controlling each circuit of self-checking circuit；Power management chip, which is used to power to channel device, to carry out Detection；Whether radio frequency detection circuit is normal for detecting 450MHz channel devices radio frequency part；Protocol conversion chip is used to provide ARM Processor chips and the communication interface of 450MHz channel devices, allowing between the two can be with normal communication；Warning circuit is used at ARM Reason device is externally alarmed when detecting channel device exception；Physical circuit is connected as：After input voltage VCC-IN is converted to the available VCC of circuit by power conversion chip N3, power to circuit；Arm processor 11 feet of chip N1B are connected with 2 feet of power management chip N6, for controlling power management chip MP5021B to enter failure shape Whether recover detection automatically after state；10 feet of arm processor chip N1B are connected with 1 foot of power management chip N6, for controlling The power output function of power management chip processed；35 feet of arm processor chip N1B are connected with 9 feet of power management chip N6, The fault-signal of power management chip output is read for arm processor chip N1B；143 feet of arm processor chip N1B with The 8 feet connection of power management chip N6, the electric current for arm processor chip N1B collection power management chip outputs；At ARM 6 feet with radio frequency detection circuit N16,4 feet are connected 2 feet, 6 feet of reason device chip N1B respectively, defeated for reading radio frequency detection circuit The signal gone out；33 feet of arm processor chip N1B are connected with the base stage of warning circuit VT4, for driving buzzer to be reported It is alert；44 feet, 47 feet, 48 feet, 14 feet, 46 feet, 54 feet, 57 feet, 58 feet, 63 feet of arm processor chip N1B, be corresponding in turn in 4 feet, 2 feet, 1 foot, 28 feet, 5 feet, 7 feet, 10 feet, 11 feet, 12 feet of protocol conversion chip N11 are connected, for arm processor Chip N1B and protocol conversion chip N11 are into row data communication；Channel device interface XS7 is used to lead to 450M channel devices progress data Letter；The model LM22670 of power conversion chip N3；The model LPC4337 of arm processor chip N1B；The model MP5021B of power management chip N6；The model 5M40ZE64I5 of protocol conversion chip N11.
- A kind of 2. realization using the 450MHz channel device quick self-checking circuits according to claim 1 based on digit chip Method, it is characterised in that step is as follows：When this circuit carries out self-test to 450MHz channel devices, the 10 feet output high level control power supply pipe of arm processor chip N1B Chip is managed to power to channel device；Turned by 44 feet, 47 feet, 48 feet, 14 feet, 46 feet, 54 feet, 57 feet, 58 feet, 63 foot control protocols Change chip N11 and send control command to 450MHz channel devices, channel device is entered emission state；Arm processor chip N1B passes through The channel device current working current of the 8 feet output of 143 feet collection power management chip N6, power management chip is gathered by 35 feet The fault-signal of output；2 feet of arm processor chip N1B, 6 feet of 6 feet collection radio frequency detection circuit N16, the electricity of 4 feet output Signal is pressed, it is whether normal by analyzing current radio frequency part；When arm processor chip N1B judges 450M channel device operation irregularities When, the 10 feet output low level control power management chip closing channel machine power supply of arm processor chip N1B, arm processor core The 33 feet output high level of piece N1B, carries out audible alarm, to notify that client is timely by the driving buzzer of warning circuit VT4 Safeguard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711421759.7A CN107942830A (en) | 2017-12-25 | 2017-12-25 | 450MHz channel device quick self-checking circuits and implementation method based on digit chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711421759.7A CN107942830A (en) | 2017-12-25 | 2017-12-25 | 450MHz channel device quick self-checking circuits and implementation method based on digit chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107942830A true CN107942830A (en) | 2018-04-20 |
Family
ID=61939012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711421759.7A Pending CN107942830A (en) | 2017-12-25 | 2017-12-25 | 450MHz channel device quick self-checking circuits and implementation method based on digit chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107942830A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176539A (en) * | 1996-08-12 | 1998-03-18 | 美国电报电话公司 | Self-testing transceiver |
| CN1275040A (en) * | 1999-05-21 | 2000-11-29 | 深圳市中兴通讯股份有限公司 | Intelligent transceiver and its operation and control device |
| CN103067955A (en) * | 2013-01-22 | 2013-04-24 | 哈尔滨海能达科技有限公司 | Method and device for base station multi-channel receiver system failure detection |
| CN104539378A (en) * | 2014-11-12 | 2015-04-22 | 江苏省东方世纪网络信息有限公司 | Antenna system with self-checking function |
| CN106059875A (en) * | 2016-05-24 | 2016-10-26 | 中国铁道科学研究院通信信号研究所 | Cab integrated radio communication equipment |
| CN107508617A (en) * | 2017-09-26 | 2017-12-22 | 洪清喜 | A kind of cab integrated radio communication of 450MHz DA compatibilities |
-
2017
- 2017-12-25 CN CN201711421759.7A patent/CN107942830A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176539A (en) * | 1996-08-12 | 1998-03-18 | 美国电报电话公司 | Self-testing transceiver |
| CN1275040A (en) * | 1999-05-21 | 2000-11-29 | 深圳市中兴通讯股份有限公司 | Intelligent transceiver and its operation and control device |
| CN103067955A (en) * | 2013-01-22 | 2013-04-24 | 哈尔滨海能达科技有限公司 | Method and device for base station multi-channel receiver system failure detection |
| CN104539378A (en) * | 2014-11-12 | 2015-04-22 | 江苏省东方世纪网络信息有限公司 | Antenna system with self-checking function |
| CN106059875A (en) * | 2016-05-24 | 2016-10-26 | 中国铁道科学研究院通信信号研究所 | Cab integrated radio communication equipment |
| CN107508617A (en) * | 2017-09-26 | 2017-12-22 | 洪清喜 | A kind of cab integrated radio communication of 450MHz DA compatibilities |
Non-Patent Citations (1)
| Title |
|---|
| 谢志华: "新型数字化短波信道机设计与实现" * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201546759U (en) | ZigBee technology-based underground safety-monitoring system for coal mine | |
| CN102944804B (en) | Overhead line fault detection system | |
| CN207764600U (en) | A kind of 450MHz channel device quick self-checking circuits based on digit chip | |
| CN109301919A (en) | A kind of uninterruptible power supply bypass adapter tube control method | |
| CN110411329B (en) | Switch and switch close contact detection system and method | |
| CN204389672U (en) | Intelligent electric meter serial ports DL/T645 communication protocol on-line quick detection device | |
| CN204992550U (en) | Electrical safety detects protection circuit, switchgear and socket | |
| CN104880681A (en) | Strong-magnetic-field electricity-steal autoalarm and control method thereof | |
| CN107942830A (en) | 450MHz channel device quick self-checking circuits and implementation method based on digit chip | |
| CN108199477B (en) | Remote intelligent monitoring method and equipment for faults of AC/DC system of transformer substation | |
| CN203811663U (en) | Wireless current detection unit used for electricity larceny prevention | |
| CN207194957U (en) | A kind of personnel in the pit's security positioning system based on UWB | |
| CN104537816B (en) | A kind of device for detecting power information collecting device | |
| CN207766271U (en) | A kind of 800MHz channel device quick self-checking circuits based on digit chip | |
| CN104469614B (en) | A kind of power amplifier failure self-repairing circuit and its implementation | |
| CN202534153U (en) | Electric meter box provided with RS (radio station) 485 bus detection function | |
| CN108173607A (en) | 800MHz channel device quick self-checking circuits and implementation method based on digit chip | |
| CN206362898U (en) | A kind of long-range open test system of integrated circuit | |
| CN205581252U (en) | Power system fault indicator | |
| CN204789872U (en) | Distribution system trouble on -line monitoring system | |
| CN207571195U (en) | A kind of stealing user detecting system | |
| CN208688647U (en) | A kind of monitoring system based on vibrating string type sensor | |
| CN203929047U (en) | A kind of track displacement monitoring device based on radio communication | |
| CN207352111U (en) | One kind is based on CAN communication cable-type fault locator | |
| CN105699930A (en) | Intelligent ammeter serial port DL/T645 communication protocol online fast detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180420 |
|
| WD01 | Invention patent application deemed withdrawn after publication |