CN202032939U - Altitude indicator detecting instrument - Google Patents
Altitude indicator detecting instrument Download PDFInfo
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- CN202032939U CN202032939U CN2011200793645U CN201120079364U CN202032939U CN 202032939 U CN202032939 U CN 202032939U CN 2011200793645 U CN2011200793645 U CN 2011200793645U CN 201120079364 U CN201120079364 U CN 201120079364U CN 202032939 U CN202032939 U CN 202032939U
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- 238000012545 processing Methods 0.000 claims abstract description 34
- 238000004088 simulation Methods 0.000 claims abstract description 30
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- 238000005259 measurement Methods 0.000 claims description 7
- 230000005055 memory storage Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 16
- 238000012360 testing method Methods 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 7
- 238000011161 development Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 101000746134 Homo sapiens DNA endonuclease RBBP8 Proteins 0.000 description 1
- 101000969031 Homo sapiens Nuclear protein 1 Proteins 0.000 description 1
- 102100021133 Nuclear protein 1 Human genes 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/882—Radar or analogous systems specially adapted for specific applications for altimeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4052—Means for monitoring or calibrating by simulation of echoes
- G01S7/406—Means for monitoring or calibrating by simulation of echoes using internally generated reference signals, e.g. via delay line, via RF or IF signal injection or via integrated reference reflector or transponder
- G01S7/4065—Means for monitoring or calibrating by simulation of echoes using internally generated reference signals, e.g. via delay line, via RF or IF signal injection or via integrated reference reflector or transponder involving a delay line
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The utility model discloses an altitude indicator detecting instrument, which belongs to the technical field of detecting metering and testing and is used for solving the problems of single detection object and inconsistent detection measures and standards for different altitude indicators existing in the conventional altitude indicator. In the altitude indicator detecting instrument, a digital signal processing (DSP) circuit is taken as a core device; the DSP circuit is used for outputting an attenuation control signal and a delay control signal to an altitude simulation circuit to control the altitude simulation circuit to generate a plurality of equivalent altitude radiofrequency signals corresponding to a plurality of altitudes to an altitude indicator; and the DSP circuit is further used for acquiring voltage and current signals of the altitude indicator through an analog-to-digital (A/D) converting circuit and acquiring a digital signal of the altitude indicator and a control signal output to the altitude indicator through an altitude indicator interface circuit. By adopting the altitude indicator detecting instrument, detection of various altitude indicators can be realized, the testing efficiency of the altitude indicator is greatly improved, and convenience is brought to the testing, maintenance and repair work of the altitude indicator.
Description
Technical field
The utility model belongs to detection metering and experimental technique field, and the branch field is a weapon component performance parameter static test, is specifically related to a kind of radio altimeter performance automatic checkout equipment.
Background technology
Development along with the altimeter technology, the altimeter detection technique is also grown up gradually, develop special-purpose altimeter detection system by now from rough detection methods such as initial manual detection, artificial observations, the altimeter detection technique develops rapidly along with the development of electronic technology and signal processing technology, at the altimeter of different systems, the altimeter detector that constantly adopts new technology development to make new advances both at home and abroad.
Find the domestic research report that altimeter checkout equipment related content is arranged by retrieval, as the 89C52 SCM system with expansion is the KGW altimeter detector of core, have based on the C8051F005 single-chip microcomputer is the altimeter detector of core, pulse-type altimeter test platform based on the ATLAS language is arranged, PB-21 type and WG-6 altimeter comprehensive detection system based on PC/104 are arranged, 265 altimeter dynamic test systems based on virtual instrument technique are arranged, A-037 and 265 altimeter Auto-Test Systems based on VXI and GPIB instrument are arranged.
The domestic radio altimeter checkout equipment of succeeding in developing mainly is to detect to be applied in the fixing radio altimeter of state of the art on aircraft and the guided missile at present, because demand at different application, the state of the art of radio altimeter is also inequality, can not take into account the radio altimeter of test all kinds.
And two kinds of model altimeters of BG1.5B and FHWG-6 be aim at a kind of dispense that device uses newly grind altimeter, respectively by different manufacturers production, product design scheme and characteristics have marked difference, there is not common apparatus that these two kinds of altimeters are detected, if adopt producer's checkout equipment then to need to purchase two covers.For reducing cost, make two kinds of altimeters adopt the same detection means simultaneously, unified judgment criteria has more public credibility, must two kinds of general checkout equipments of altimeter of development.
The utility model content
For solve present level table checkout equipment detected object single, to the detection means and the inconsistent problem of standard of differing heights table, the utility model proposes a kind of altimeter detector that multiple altimeter is detected can realized.
Altimeter detector described in the utility model comprises the DSP digital signal processing circuit, the A/D change-over circuit, the voltage and current measurement circuit, altimeter interface circuit and altitude simulation circuit, the data acquisition port of described DSP digital signal processing circuit is connected with the digital signal output end of A/D change-over circuit, the input end of analog signal of described A/D change-over circuit connects the analog signal output of voltage and current measurement power supply, the altimeter control signal output of DSP digital signal processing circuit is connected with the altimeter control signal input of altimeter interface circuit, the altimeter signal collection terminal of described DSP digital signal processing circuit is connected with the altimeter signal output of altimeter interface circuit, the altitude simulation circuit has and is used to launch the high-frequency emission port that high-frequency signal is given altimeter, the high-frequency signal receiving port that also has the high-frequency signal that is used to receive the altimeter emission, the attenuation control signal input of described altitude simulation circuit connects the attenuation control signal output of DSP digital signal processing circuit, and the delayed control signal output of this DSP digital signal processing circuit connects the delayed control signal input of this altitude simulation circuit.
Altimeter detector described in the utility model is exactly the general automatic checkout equipment at multiple model development, has solved after this altimeter detector is succeeded in developing to dispense preceding altimeter performance test of device general assembly and evaluation problem.
Description of drawings
Fig. 1 is the electrical structure schematic diagram of altimeter detector described in the utility model.Fig. 2 is the electrical structure schematic diagram of the specific embodiment three described altitude simulation circuit 5.
The specific embodiment
The specific embodiment one, the described altimeter detector of present embodiment comprises DSP digital signal processing circuit 1, A/D change-over circuit 8, voltage and current measurement circuit 9, altimeter interface circuit 7 and altitude simulation circuit 5, the data acquisition port of described DSP digital signal processing circuit 1 is connected with the digital signal output end of A/D change-over circuit 8, the input end of analog signal of described A/D change-over circuit 8 connects the analog signal output of voltage and current measurement power supply, the altimeter control signal output of DSP digital signal processing circuit 1 is connected with the altimeter control signal input of altimeter interface circuit 7, the altimeter signal collection terminal of described DSP digital signal processing circuit 1 is connected with the altimeter signal output of altimeter interface circuit 7, altitude simulation circuit 5 has and is used to launch the high-frequency emission port that high-frequency signal is given altimeter, the high-frequency signal receiving port that also has the high-frequency signal that is used to receive the altimeter emission, the attenuation control signal input of described altitude simulation circuit 5 connects the attenuation control signal output of DSP digital signal processing circuit 1, and the delayed control signal output of this DSP digital signal processing circuit 1 connects the delayed control signal input of this altitude simulation circuit 5.
It is the digital signal processing circuit of core that DSP digital signal processing circuit 1 in the present embodiment adopts with DSP28335; this chip has the static CMOS technology of high-performance; dominant frequency reaches 150MHz, and free time, standby and shutdown mode are supported in interrupt response and processing fast.
Described altitude simulation circuit 5 is used to produce the pairing multiple height equivlent radiofrequency signal of multiple height.
When practical application, the high-frequency emission port of altitude simulation circuit 5 is connected with the high-frequency signal receiving port of altimeter 6 by the emission feeder line, and the high frequency receiving port of this altitude simulation circuit 5 is connected with the high-frequency signal emission port of altimeter 6 by receiving feeder line.
The specific embodiment two, present embodiment are on the basis of the specific embodiment one described altimeter detector, have increased external memory storage 10, and this external memory storage 10 is connected with DSP digital signal processing circuit 1 by data address bus.
The external memory storage 10 that present embodiment increased is used for storage of measurement data.
The described external memory storage 10 of present embodiment can adopt the FLASH memory to realize, for example adopt the K9F1208U0M model, the FLASH memory of this model can once be stored up to 120,000 altimeter test datas.The partition table data storage technology of the FLASH memory in the present embodiment is convenient to the data manipulation such as random challenge, location, transmission, deletion of engagement height table Performance Detection data.
The specific embodiment three, present embodiment are illustrating the altitude simulation circuit 5 in the specific embodiment one or the two described altimeter detectors.Altitude simulation circuit 5 in the present embodiment is used to produce three kinds of three kinds of highly pairing height equivlent radiofrequency signals, this altitude simulation circuit 5 is by 3 acoustic bulk wave microwave delay lines 53,2 step attenuators 51 able to programme and 2 thin type three port switch 52 are formed, 2 step attenuators 51 able to programme are connected between a signal input part of high-frequency signal receiving port and thin type three port switch 52, three signal output parts of these thin type three port switch 52 connect an end of 3 acoustic bulk wave microwave delay lines 53 respectively, the other end of these three 3 acoustic bulk wave microwave delay lines 53 connects three inputs of another thin type three port switch 52 respectively, and a signal output part of these thin type three port switch 52 connects the high-frequency emission port; The attenuation control signal input of two step attenuators 51 able to programme is formed the attenuation control signal input of altitude simulation circuit 5; The selection signal input part of 2 thin type three port switch 52 is formed the delayed control signal input of altitude simulation circuit 5.
Two step attenuators 51 able to programme are under the control of DSP digital signal processing circuit 1, and the high-frequency signal that altimeter is launched carries out the decay of corresponding multiple, and then realization can be to the processing of multiple high-frequency signal.
In actual applications, described two step attenuators 51 able to programme can be connected in series by the interconnected external member of attenuator.
Can adopt rf adapter to realize being connected between described acoustic bulk wave microwave delay line 53, step attenuator able to programme 51, thin type three port switch 52 and the external radio frequency stube cable, this rf adapter is a kind of radio frequency (RF) coaxial connector.
3 acoustic bulk wave microwave delay lines 53 in the present embodiment are used to realize that the high-frequency signal to after the decay carries out three kinds of delays.For example: 3 acoustic bulk wave microwave delay lines 53 can select 1000ns delay, 4000ns delay, 10000ns to postpone respectively, in order to realize the delay of 150m, 600m, three kinds of height equivlent radiofrequency signals of 1500m.
The specific embodiment four, present embodiment are on the basis of the specific embodiment one, two or three described altimeter detectors, have increased jtag interface circuit 2, and described jtag interface circuit 2 is connected with the jtag port of DSP digital signal processing circuit 1.
The specific embodiment five, present embodiment are on the basis of the specific embodiment one, two, three or four described altimeter detectors, increased serial communication circuit 3, the serial data port of this serial communication circuit 3 is connected with the communication port of DSP digital signal processing circuit 1.
Present embodiment provides serial communication interface, is convenient to realize the teledata exchange.In actual applications, can be connected, realize exchanges data with host computer.
The specific embodiment six, present embodiment are on the basis of the specific embodiment one, two, three, four or five described altimeter detectors, increased human-computer interface device 4, this human-computer interface device 4 is connected with the man-machine interface communication port of DSP digital signal processing circuit 1 by communication port.
In the present embodiment, select the intelligent liquid crystal display terminal of JCR80HD-S RGB (TFT) as human-computer interface device 4, this intelligence liquid crystal display terminal is a kind of touch control human-computer interaction interface, and the good man computer interface platform can be provided.
The specific embodiment seven, present embodiment are on the basis of the specific embodiment one, two, three, four, five or six described altimeter detectors, increased power circuit, this power circuit is used for providing working power to the electricity consumption device of altimeter detector inside.
Altimeter detector of the present utility model can efficiently solve the preceding altimeter performance test problem of device general assembly that dispenses.Application result shows, utilizes this automatic detection device that the testing efficiency of altimeter is improved greatly, just can detect a cover altimeter, and bring convenience for the test job of altimeter in about 5 minutes.
When practical application, the described detector of the application is encapsulated in the test box, then described detector is united use by RS232 COM1 and the host computer that has detector software.Detector software uses TI CCS3.3 as developing instrument, C language and assembler language hybrid programming have been adopted, adopt top-down method for designing, implement modularization, standardization, structuring requirement and carry out the software design, main functional module has touch-screen display control module, radio frequency unit control module, altimeter detection module, altimeter calibration module, serial load-on module and data operation modules etc.Upper computer software utilizes Microsoft visual c++ 6.0 development environments to write, and can finish the management work of altimeter detection data, maintenance work and testing staff's maintenance of information work of altimeter detector.This software has the good man-machine interaction interface, simple to operately understands, and data can be saved as examining report automatically, conveniently checks and prints.
Claims (10)
1. altimeter detector, it is characterized in that it comprises DSP digital signal processing circuit (1), A/D change-over circuit (8), voltage and current measurement circuit (9), altimeter interface circuit (7) and altitude simulation circuit (5), the data acquisition port of described DSP digital signal processing circuit (1) is connected with the digital signal output end of A/D change-over circuit (8), the input end of analog signal of described A/D change-over circuit (8) connects the analog signal output of voltage and current measurement power supply, the altimeter control signal output of DSP digital signal processing circuit (1) is connected with the altimeter control signal input of altimeter interface circuit (7), the altimeter signal collection terminal of described DSP digital signal processing circuit (1) is connected with the altimeter signal output of altimeter interface circuit (7), altitude simulation circuit (5) has and is used to launch the high-frequency emission port that high-frequency signal is given altimeter, the high-frequency signal receiving port that also has the high-frequency signal that is used to receive the altimeter emission, the attenuation control signal input of described altitude simulation circuit (5) connects the attenuation control signal output of DSP digital signal processing circuit (1), and the delayed control signal output of this DSP digital signal processing circuit (1) connects the delayed control signal input of this altitude simulation circuit (5).
2. altimeter detector according to claim 1 is characterized in that, it also comprises external memory storage (10), and this external memory storage (10) is connected with DSP digital signal processing circuit (1) by data address bus.
3. altimeter detector according to claim 1 is characterized in that, described external memory storage (10) adopts the FLASH memory of K9F1208U0M model to realize.
4. altimeter detector according to claim 1, it is characterized in that, described altitude simulation circuit (5) comprises three acoustic bulk wave microwave delay lines (53), two step attenuators able to programme (51) and two thin type three port switch (52), two step attenuators able to programme (51) are connected between a signal input part of high-frequency signal receiving port and thin type three port switch (52), three signal output parts of these thin type three port switch (52) connect an end of three acoustic bulk wave microwave delay lines (53) respectively, the other end of these three acoustic bulk wave microwave delay lines (53) connects three inputs of another thin type three port switch (52) respectively, and a signal output part of these thin type three port switch (52) connects the high-frequency emission port; The attenuation control signal input of two step attenuators able to programme (51) is formed the attenuation control signal input of altitude simulation circuit (5); The selection signal input part of two thin type three port switch (52) is formed the delayed control signal input of altitude simulation circuit (5).
5. altimeter detector according to claim 4 is characterized in that, described altitude simulation circuit (5) also comprises the interconnected external member of attenuator, and two step attenuators able to programme (51) are connected in series by the interconnected external member of attenuator.
6. altimeter detector according to claim 4, it is characterized in that, described altitude simulation circuit (5) also comprises a plurality of rf adapters, all adopt rf adapter to be connected between every acoustic bulk wave microwave delay line (53) and thin type three port switch (52), adopt rf adapter to be connected between step attenuator able to programme (51) and thin type three port switch (52).
7. altimeter detector according to claim 1 is characterized in that, it also comprises jtag interface circuit (2), and described jtag interface circuit (2) is connected with the jtag port of DSP digital signal processing circuit (1).
8. altimeter detector according to claim 1 is characterized in that, it also comprises serial communication circuit (3), and the serial data port of this serial communication circuit (3) is connected with the communication port of DSP digital signal processing circuit (1).
9. altimeter detector according to claim 1 is characterized in that, it also comprises human-computer interface device (4), and this human-computer interface device (4) is connected by the man-machine interface communication port of communication port with DSP digital signal processing circuit (1).
10. altimeter detector according to claim 1 is characterized in that it also comprises power circuit, and this power circuit is used for providing working power to the electricity consumption device of altimeter detector inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200793645U CN202032939U (en) | 2011-03-23 | 2011-03-23 | Altitude indicator detecting instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200793645U CN202032939U (en) | 2011-03-23 | 2011-03-23 | Altitude indicator detecting instrument |
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| CN202032939U true CN202032939U (en) | 2011-11-09 |
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| CN2011200793645U Expired - Fee Related CN202032939U (en) | 2011-03-23 | 2011-03-23 | Altitude indicator detecting instrument |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692237A (en) * | 2011-03-23 | 2012-09-26 | 哈尔滨建成集团有限公司 | Altimeter detector |
| CN104339288A (en) * | 2013-08-05 | 2015-02-11 | 哈尔滨飞机工业集团有限责任公司 | Air pressure type clamp for height indicators |
| CN105547328A (en) * | 2015-12-14 | 2016-05-04 | 中航通飞华南飞机工业有限公司 | Radio altimeter indicator detection system and detection method |
| CN106033219A (en) * | 2015-03-13 | 2016-10-19 | 哈尔滨飞机工业集团有限责任公司 | Portable height simulator |
| CN113965277A (en) * | 2021-11-05 | 2022-01-21 | 江西洪都航空工业集团有限责任公司 | Method, device and system for testing radio altimeter in closed environment |
-
2011
- 2011-03-23 CN CN2011200793645U patent/CN202032939U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692237A (en) * | 2011-03-23 | 2012-09-26 | 哈尔滨建成集团有限公司 | Altimeter detector |
| CN104339288A (en) * | 2013-08-05 | 2015-02-11 | 哈尔滨飞机工业集团有限责任公司 | Air pressure type clamp for height indicators |
| CN104339288B (en) * | 2013-08-05 | 2016-07-06 | 哈尔滨飞机工业集团有限责任公司 | A kind of vapour-pressure type altimeter fixture |
| CN106033219A (en) * | 2015-03-13 | 2016-10-19 | 哈尔滨飞机工业集团有限责任公司 | Portable height simulator |
| CN105547328A (en) * | 2015-12-14 | 2016-05-04 | 中航通飞华南飞机工业有限公司 | Radio altimeter indicator detection system and detection method |
| CN105547328B (en) * | 2015-12-14 | 2018-05-25 | 中航通飞华南飞机工业有限公司 | A kind of radio altimeter pointer detection system and detection method |
| CN113965277A (en) * | 2021-11-05 | 2022-01-21 | 江西洪都航空工业集团有限责任公司 | Method, device and system for testing radio altimeter in closed environment |
| CN113965277B (en) * | 2021-11-05 | 2024-05-10 | 江西洪都航空工业集团有限责任公司 | Method, device and system for testing radio altimeter in closed environment |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20111109 Termination date: 20150323 |
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