CN102540179A - Internally-installed radar speed and distance measuring device - Google Patents
Internally-installed radar speed and distance measuring device Download PDFInfo
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- CN102540179A CN102540179A CN2011104554012A CN201110455401A CN102540179A CN 102540179 A CN102540179 A CN 102540179A CN 2011104554012 A CN2011104554012 A CN 2011104554012A CN 201110455401 A CN201110455401 A CN 201110455401A CN 102540179 A CN102540179 A CN 102540179A
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Abstract
The invention relates to the technical field of sensor testing, in particular to an internally-installed radar speed and distance measuring device; and the internally-installed radar velocity and distance measuring device comprises a high-strength engineering plastic cover plate, an aluminium alloy cover plate, a main radar control plate and an aluminium alloy shell. Compared with the prior art, when the information of an external velocity sensor is not accessed into the internally-installed radar velocity and distance measuring device, the internally-installed radar velocity and distance measuring device serves as a radar velocity measuring sensor and outputs radar velocity and position signals through a serial-port I/O (Input/Output) port and a pulse I/O port; and when the information of the external velocity sensor is accessed into the internally-installed radar velocity and distance measuring device, the internally-installed radar velocity and distance measuring device automatically enters into the working state of velocity and distance measurement combination, integrates a self radar velocity signal and a velocity signal input by the external velocity sensor and outputs an integrated velocity and position signal through the serial-port I/O port and the pulse I/O port.
Description
Technical field
The present invention relates to the sensor test technical field, specifically a kind of built-in radar velocity measurement distance measuring equipment.
Background technology
At present, carrying out needing special test distance measuring equipment that the information from a plurality of sensors is handled when locomotive speed signal is handled, thereby drawing the speed and the range information of locomotive operation.So not only take the inner limited space of locomotive, and increased the difficulty of locomotive internal wiring, thereby caused the inconvenience of using, keeping in repair.Therefore, a kind of can to insert the information of external speed sensor and carry out the built-in radar velocity measurement distance measuring equipment that signal fused handles be vital in design.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, provide a kind of and can insert the information of external speed sensor and carry out the built-in radar velocity measurement distance measuring equipment that signal fused is handled.
In order to achieve the above object; The present invention includes high-strength engineering plastic cover plate, aluminium alloy cover plate, radar control main board and Al-alloy casing; It is characterized in that: be provided with the radar control main board in the Al-alloy casing; The Al-alloy casing front end is equipped with the aluminium alloy cover plate of inclination, and aluminium alloy cover plate middle part is provided with the high-strength engineering plastic cover plate, under the high-strength engineering plastic cover plate microwave antenna is housed; Circuit structure in the described radar control main board is specific as follows: once reach the secondary power supply system module and be connected with Radar Signal Processing and signal fused processing module, microwave antenna, pre-amplifying module, Signal Pretreatment and interface management module, pulse I/O port and 14 core interfaces respectively; Pre-amplifying module is gathered port with the radar signal of microwave antenna and Signal Pretreatment and interface management module respectively and is connected; Signal Pretreatment and interface management module are connected with Radar Signal Processing and signal fused processing module; Pulse I/O port is connected with 14 core interfaces with the pulse signal acquisition port of serial ports I/O port, Signal Pretreatment and interface management module respectively, and serial ports I/O port is connected with 14 core interfaces with the serial communication port of Signal Pretreatment and interface management module respectively.
Signal Pretreatment and interface management module in the described radar control main board are accomplished following step: step a, System self-test successively; Step b is provided with each Interrupt Process; Step c, the operational system health monitors; Steps d has judged whether to interrupt taking place, if having, then continues execution in step e, if do not have, then returns and continues execution in step c; Step e with Radar Signal Processing and the communication of signal fused processing module and move pulse input interrupt handling routine, serial ports input/output routine and pulse written-out program, returns after the completion and continues execution in step c.
Radar Signal Processing and signal fused processing module in the described radar control main board are accomplished following step successively: steps A, System self-test; Step B is provided with each Interrupt Process; Step C, the operational system health monitors; Step D has judged whether to interrupt taking place, if having, then continues execution in step E, if do not have, then returns and continues execution in step C; Step e with Signal Pretreatment and interface management module communication and move the Radar Signal Processing program and the signal fused handling procedure, is returned after the completion and is continued execution in step C.
The present invention compares with prior art, has designed built-in radar velocity measurement distance measuring equipment, and when not inserting the information of external speed sensor, this installs as the radar velocity measurement sensor, exports radar speed, position signalling through serial ports I/O port and pulse I/O port; When inserting the information of external speed sensor; This device automatically gets into the range finding work in combination state that tests the speed, and speed, the position signalling after self the rate signal of radar speed signal and external speed sensor input is merged and will merge passes through serial ports I/O port and pulse I/O port is exported.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a circuit block diagram of the present invention.
Fig. 3 is the workflow block diagram of Signal Pretreatment of the present invention and interface management module.
Fig. 4 is the workflow block diagram of Radar Signal Processing of the present invention and signal fused processing module.
Referring to Fig. 1,1 is the high-strength engineering plastic cover plate; 2 is the aluminium alloy cover plate; 3 is the radar control main board; 4 is Al-alloy casing.
Embodiment
Combine accompanying drawing that the present invention is done further describes at present.
Referring to Fig. 1, the present invention includes high-strength engineering plastic cover plate, aluminium alloy cover plate, radar control main board and Al-alloy casing.Be provided with radar control main board 3 in the Al-alloy casing 4, Al-alloy casing 4 front ends are equipped with the aluminium alloy cover plate 2 of inclination, and aluminium alloy cover plate 2 middle parts are provided with high-strength engineering plastic cover plate 1, and the high-strength engineering plastic cover plate is equipped with microwave antenna 1 time.
Referring to Fig. 2; Circuit structure in the radar control main board 3 is specific as follows: once reach the secondary power supply system module and be connected with Radar Signal Processing and signal fused processing module, microwave antenna, pre-amplifying module, Signal Pretreatment and interface management module, pulse I/O port and 14 core interfaces respectively; Pre-amplifying module is gathered port with the radar signal of microwave antenna and Signal Pretreatment and interface management module respectively and is connected; Signal Pretreatment and interface management module are connected with Radar Signal Processing and signal fused processing module; Pulse I/O port is connected with 14 core interfaces with the pulse signal acquisition port of serial ports I/O port, Signal Pretreatment and interface management module respectively, and serial ports I/O port is connected with 14 core interfaces with the serial communication port of Signal Pretreatment and interface management module respectively.
Referring to Fig. 3, Signal Pretreatment in the radar control main board 3 and interface management module are accomplished following step: step a, System self-test successively; Step b is provided with each Interrupt Process; Step c, the operational system health monitors; Steps d has judged whether to interrupt taking place, if having, then continues execution in step e, if do not have, then returns and continues execution in step c; Step e with Radar Signal Processing and the communication of signal fused processing module and move pulse input interrupt handling routine, serial ports input/output routine and pulse written-out program, returns after the completion and continues execution in step c.
Referring to Fig. 4, Radar Signal Processing in the radar control main board 3 and signal fused processing module are accomplished following step successively: steps A, System self-test; Step B is provided with each Interrupt Process; Step C, the operational system health monitors; Step D has judged whether to interrupt taking place, if having, then continues execution in step E, if do not have, then returns and continues execution in step C; Step e with Signal Pretreatment and interface management module communication and move the Radar Signal Processing program and the signal fused handling procedure, is returned after the completion and is continued execution in step C.
The present invention is when work, and when not inserting the information of external speed sensor, the present invention exports radar speed, position signalling as the radar velocity measurement sensor through serial ports I/O port and pulse I/O port.When inserting the information of external speed sensor; The present invention automatically gets into the range finding work in combination state that tests the speed, with speed after Radar Signal Processing and signal fused processing module merge and will merge of self the rate signal of radar speed signal and external speed sensor input, position signalling passes through serial ports I/O port by Signal Pretreatment and interface management module and pulse I/O port is exported.
Claims (3)
1. built-in radar velocity measurement distance measuring equipment; Comprise high-strength engineering plastic cover plate, aluminium alloy cover plate, radar control main board and Al-alloy casing; It is characterized in that: be provided with radar control main board (3) in the Al-alloy casing (4); Al-alloy casing (4) front end is equipped with the aluminium alloy cover plate (2) of inclination, and aluminium alloy cover plate (2) middle part is provided with high-strength engineering plastic cover plate (1), and the high-strength engineering plastic cover plate is equipped with microwave antenna under (1); Circuit structure in the described radar control main board (3) is specific as follows: once reach the secondary power supply system module and be connected with Radar Signal Processing and signal fused processing module, microwave antenna, pre-amplifying module, Signal Pretreatment and interface management module, pulse I/O port and 14 core interfaces respectively; Pre-amplifying module is gathered port with the radar signal of microwave antenna and Signal Pretreatment and interface management module respectively and is connected; Signal Pretreatment and interface management module are connected with Radar Signal Processing and signal fused processing module; Pulse I/O port is connected with 14 core interfaces with the pulse signal acquisition port of serial ports I/O port, Signal Pretreatment and interface management module respectively, and serial ports I/O port is connected with 14 core interfaces with the serial communication port of Signal Pretreatment and interface management module respectively.
2. a kind of built-in radar velocity measurement distance measuring equipment according to claim 1 is characterized in that: Signal Pretreatment and interface management module in the described radar control main board (3) are accomplished following step: step a, System self-test successively; Step b is provided with each Interrupt Process; Step c, the operational system health monitors; Steps d has judged whether to interrupt taking place, if having, then continues execution in step e, if do not have, then returns and continues execution in step c; Step e with Radar Signal Processing and the communication of signal fused processing module and move pulse input interrupt handling routine, serial ports input/output routine and pulse written-out program, returns after the completion and continues execution in step c.
3. a kind of built-in radar velocity measurement distance measuring equipment according to claim 1 is characterized in that: Radar Signal Processing and signal fused processing module in the described radar control main board (3) are accomplished following step successively: steps A, System self-test; Step B is provided with each Interrupt Process; Step C, the operational system health monitors; Step D has judged whether to interrupt taking place, if having, then continues execution in step E, if do not have, then returns and continues execution in step C; Step e with Signal Pretreatment and interface management module communication and move the Radar Signal Processing program and the signal fused handling procedure, is returned after the completion and is continued execution in step C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104554012A CN102540179A (en) | 2011-12-30 | 2011-12-30 | Internally-installed radar speed and distance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104554012A CN102540179A (en) | 2011-12-30 | 2011-12-30 | Internally-installed radar speed and distance measuring device |
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| Publication Number | Publication Date |
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| CN102540179A true CN102540179A (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104554012A Pending CN102540179A (en) | 2011-12-30 | 2011-12-30 | Internally-installed radar speed and distance measuring device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10206521A (en) * | 1997-01-22 | 1998-08-07 | Hitachi Ltd | Distance-measuring device |
| CN101479624A (en) * | 2006-06-30 | 2009-07-08 | 丰田自动车株式会社 | Sensor fusion with radar and camera and automobile drive assist system for changing object occurance probability estimation of radar threshold |
| CN201364387Y (en) * | 2009-03-13 | 2009-12-16 | 湖南湘依铁路机车电器有限公司 | Vehicle-mounted speed measuring radar of locomotive |
-
2011
- 2011-12-30 CN CN2011104554012A patent/CN102540179A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10206521A (en) * | 1997-01-22 | 1998-08-07 | Hitachi Ltd | Distance-measuring device |
| CN101479624A (en) * | 2006-06-30 | 2009-07-08 | 丰田自动车株式会社 | Sensor fusion with radar and camera and automobile drive assist system for changing object occurance probability estimation of radar threshold |
| CN201364387Y (en) * | 2009-03-13 | 2009-12-16 | 湖南湘依铁路机车电器有限公司 | Vehicle-mounted speed measuring radar of locomotive |
Non-Patent Citations (1)
| Title |
|---|
| 黄卫中等: "CTCS-3级列控车载设备高速适应性关键技术", 《中国铁道科学》 * |
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Application publication date: 20120704 |