CN207764600U - A kind of 450MHz channel device quick self-checking circuits based on digit chip - Google Patents
A kind of 450MHz channel device quick self-checking circuits based on digit chip Download PDFInfo
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- CN207764600U CN207764600U CN201721831324.5U CN201721831324U CN207764600U CN 207764600 U CN207764600 U CN 207764600U CN 201721831324 U CN201721831324 U CN 201721831324U CN 207764600 U CN207764600 U CN 207764600U
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Abstract
A kind of 450MHz channel device quick self-checking circuits based on digit chip, including arm processor, power conversion chip, power management chip, protocol conversion chip, radio frequency detection circuit, warning circuit；Arm processor is connect with power management chip, protocol conversion chip, radio frequency detection circuit, warning circuit respectively, and power conversion chip is used to give the power supply of each circuit after input supply voltage is converted to the voltage that circuit can be used normally.The utility model can effectively 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 utility model is related to a kind of 450MHz channel device quick self-checking circuits based on digit chip.For user side
Just, fast, efficiently whether detection 450MHz channel devices can work normally, in order to avoid influence locomotive operation safety.
Background technology
Cab integrated radio communication ensures machine for the communication between railway locomotive and locomotive, locomotive and station etc.
The normal orderly function of vehicle.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 is logical
Believe function, technology requirement and the maintenance service etc. of equipment.But it is limited by 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.
Invention content
In view of the problems existing in the prior art, in order to ensure the normal work of 450MHz channel devices, and believe in 450MHz
It can detect and alarm in time when road machine operation irregularity, it is fast that the utility model provides a kind of 450MHz channel devices based on digit chip
Fast self-checking circuit.
To achieve the above object, used technical solution is the utility model：A kind of 450MHz based on digit chip
Channel device quick self-checking circuit, it is characterised in that：Turn including arm processor, power conversion chip, power management chip, agreement
Change chip, radio frequency detection circuit, warning circuit；
The arm processor connects with power management chip, protocol conversion chip, radio frequency detection circuit, warning circuit respectively
It connects, the power conversion chip is used to give the confession of each circuit after input supply voltage is converted to the voltage that circuit can be used normally
Electricity；
Arm processor is used to control the work of each circuit of self-checking circuit；Power management chip is used to power to channel device
It is detected；Whether radio frequency detection circuit is normal for detecting 450MHz channel devices radio frequency part；Protocol conversion chip is for carrying
For the communication interface of arm processor chip and 450MHz channel devices, allowing between the two can be with normal communication；Warning circuit is used for
Arm processor 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；At ARM
11 feet of reason device chip N1B are connect with 2 feet of power management chip N6, enter event for controlling power management chip MP5021B
Whether restore detection automatically after barrier state；10 feet of arm processor chip N1B are connect with 1 foot of power management chip N6, are used
In the power output function of control power management chip；35 feet of arm processor chip N1B and 9 feet of power management chip N6
The fault-signal of power management chip output is read in connection for arm processor chip N1B；The 143 of arm processor chip N1B
Foot is connect with 8 feet of power management chip N6, the electric current for the N1B acquisition power management chip outputs of arm processor chip；
2 feet, 6 feet of arm processor chip N1B are connect with 6 feet of radio frequency detection circuit N16,4 feet respectively, for reading radio frequency detection
The signal of circuit output；33 feet of arm processor chip N1B are connect with the base stage of warning circuit VT4, for drive buzzer into
Row alarm；44 feet, 47 feet, 48 feet, 14 feet, 46 feet, 54 feet, 57 feet, 58 feet, 63 feet of arm processor chip N1B, it is right successively
It should be connected in 4 feet of protocol conversion chip N11,2 feet, 1 foot, 28 feet, 5 feet, 7 feet, 10 feet, 11 feet, 12 feet, at ARM
Device chip N1B and protocol conversion chip N11 is managed into row data communication；Channel device interface XS7 is used for 450M channel devices into line number
According to communication；
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.
The utility model has the beneficial effects that：When 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 working efficiency.This practicality is new
Type can effectively 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 of the drawings
Fig. 1 is that the utility model circuit connects block diagram；
Fig. 2 is the circuit diagram of the utility model power conversion chip and power management chip；
Fig. 3 is the circuit diagram of the utility model protocol conversion chip；
Fig. 4 is the circuit diagram of the utility model arm processor chip；
Fig. 5 is the circuit diagram of the utility model radio frequency detection circuit；
Fig. 6 is the circuit diagram of the utility model warning circuit；
Fig. 7 is the utility model channel device interface diagram.
Specific implementation mode
Understand the utility model in order to clearer, 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 connect with 2 feet of power management chip N6, enter event for controlling power management chip MP5021B
Whether restore detection automatically after barrier state；10 feet of arm processor chip N1B are connect 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
It connects, the fault-signal of power management chip output is read for arm processor chip N1B；143 feet of arm processor chip N1B
It is connect with 8 feet of power management chip N6, the electric current for the N1B acquisition power management chip outputs of arm processor chip；ARM
2 feet, 6 feet of processor chips N1B are connect with 6 feet of radio frequency detection circuit N16,4 feet respectively, for reading radio frequency detection circuit
The signal of output；33 feet of arm processor chip N1B are connect 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, and are used for arm processor
Chip N1B and protocol conversion chip N11 are into row data communication；Channel device interface XS7 is used to carry out data with 450M channel devices logical
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, steps are as follows：
When this circuit carries out self-test to 450MHz channel devices, the 10 feet output high level control electricity of arm processor chip N1B
Source control chip is powered to channel device；Pass through 44 feet, 47 feet, 48 feet, 14 feet, 46 feet, 54 feet, 57 feet, 58 feet, 63 foot control systems association
It discusses conversion chip N11 and sends control command to 450MHz channel devices, channel device is made to enter emission state；Arm processor chip N1B
The channel device current working current that the 8 feet output of power management chip N6 is acquired by 143 feet, power management is acquired by 35 feet
The fault-signal of chip output；2 feet of arm processor chip N1B, 6 feet of 6 feet acquisition radio frequency detection circuit N16, the output of 4 feet
Voltage signal, it is whether normal that current radio frequency part is analyzed by computational algorithm；When arm processor chip N1B judges that 450M believes
When road machine operation irregularity, the 10 feet output low level control power management chip closing channel machine of arm processor chip N1B supplies
33 feet of electricity, arm processor chip N1B export high level, and audible alarm is carried out by the driving buzzer of warning circuit VT4,
To notify client to safeguard in time.
Claims (1)
1. a kind of 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 connect with power management chip, protocol conversion chip, radio frequency detection circuit, warning circuit respectively, institute
It powers to each circuit after stating voltage of the power conversion chip for input supply voltage to be converted to circuit normal use；
Arm processor is used to control the work of each circuit of self-checking circuit；Power management chip is used to power to channel device and carry out
Detection；Whether radio frequency detection circuit is normal for detecting 450MHz channel devices radio frequency part；Protocol conversion chip is for providing ARM
The communication interface of processor chips and 450MHz channel devices, allows normal communication between the two；Warning circuit is used in arm processor
It externally alarms 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 connect with 2 feet of power management chip N6, enter failure shape for controlling power management chip MP5021B
Whether restore detection automatically after state；10 feet of arm processor chip N1B are connect 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 connect 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
8 feet of power management chip N6 connect, the electric current for the N1B acquisition power management chip outputs of arm processor chip；At ARM
2 feet, 6 feet of reason device chip N1B are connect with 6 feet of radio frequency detection circuit N16,4 feet respectively, defeated for reading radio frequency detection circuit
The signal gone out；33 feet of arm processor chip N1B are connect 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, and are used for arm processor
Chip N1B and protocol conversion chip N11 are into row data communication；Channel device interface XS7 is used to carry out data with 450M channel devices logical
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721831324.5U CN207764600U (en) | 2017-12-25 | 2017-12-25 | A kind of 450MHz channel device quick self-checking circuits based on digit chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721831324.5U CN207764600U (en) | 2017-12-25 | 2017-12-25 | A kind of 450MHz channel device quick self-checking circuits based on digit chip |
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| CN207764600U true CN207764600U (en) | 2018-08-24 |
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| CN201721831324.5U Active CN207764600U (en) | 2017-12-25 | 2017-12-25 | A kind of 450MHz channel device quick self-checking circuits based on digit chip |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687848A (en) * | 2019-10-25 | 2020-01-14 | 上海明厦物联网科技有限公司 | Wireless electromagnetic valve control circuit based on NB internet of things module and implementation method |
| CN110687847A (en) * | 2019-10-25 | 2020-01-14 | 上海明厦物联网科技有限公司 | Control circuit and implementation method |
-
2017
- 2017-12-25 CN CN201721831324.5U patent/CN207764600U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687848A (en) * | 2019-10-25 | 2020-01-14 | 上海明厦物联网科技有限公司 | Wireless electromagnetic valve control circuit based on NB internet of things module and implementation method |
| CN110687847A (en) * | 2019-10-25 | 2020-01-14 | 上海明厦物联网科技有限公司 | Control circuit and implementation method |
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