CN216593450U - Test vehicle for dynamic test of inertial navigation product - Google Patents
Test vehicle for dynamic test of inertial navigation product Download PDFInfo
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- CN216593450U CN216593450U CN202123330575.4U CN202123330575U CN216593450U CN 216593450 U CN216593450 U CN 216593450U CN 202123330575 U CN202123330575 U CN 202123330575U CN 216593450 U CN216593450 U CN 216593450U
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- 238000012360 testing method Methods 0.000 title claims abstract description 94
- 230000001360 synchronised effect Effects 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000011156 evaluation Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 6
- 230000003137 locomotive effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
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Abstract
The utility model belongs to the technical field of inertial navigation product test equipment, specifically disclose a test car for inertial navigation product dynamic test, it includes the test car carrier, the internal rack of installing of test car, install touch display screen, industrial computer, GPS receiver and synchronous signal device in the rack, the GPS antenna with GPS receiver communication connection is installed at the locomotive top of test car carrier, the mounting panel is installed to the internal rearmost of test car, install odometer, altimeter and high accuracy inertial navigation equipment on the mounting panel, still be used for the installation on the mounting panel and surveyed inertial navigation equipment. The test vehicle is provided with comprehensive reference equipment to provide complete evaluation information, adopts a synchronous signal device to compare the navigation results of the tested inertial navigation product and the reference equipment at the same moment, scientifically arranges the equipment to improve the operation convenience of operators, and has strong practicability.
Description
Technical Field
The utility model relates to an inertial navigation product test equipment technical field, in particular to test car for inertial navigation product dynamic test.
Background
The inertial navigation product can provide motion information of speed, position and attitude of a carrier in real time, and is widely applied to navigation of vehicles and ships. Before the inertial navigation product leaves a factory, the inertial navigation product needs to be subjected to dynamic navigation precision test under the dynamic condition of simulating a vehicle and a ship carrier. At present, a tested inertial navigation product is usually installed in a test vehicle, the motion of the test vehicle is used to simulate the dynamic conditions of a vehicle and a ship carrier, and the navigation result of the tested inertial navigation product is compared with the navigation result of a reference device to obtain the dynamic test precision of the tested inertial navigation product.
At present, the test vehicle for the dynamic test of the inertial navigation product has no unified national standard, so that the following problems often exist:
(1) incomplete reference equipment allocation causes incomplete evaluation information;
(2) the lack of a synchronous signal device causes delay or asynchronization of the output of each device, thereby causing inaccurate precision evaluation;
(3) the equipment arrangement is unscientific, causing inconvenient operation of operators.
SUMMERY OF THE UTILITY MODEL
In view of the not enough of prior art, the utility model aims to provide a test car for inertial navigation product dynamic test, this test car be equipped with comprehensive benchmark equipment in order to provide complete evaluation information, adopted the navigation result of synchronous signal device with the quilt survey inertial navigation product and benchmark equipment of contrast same moment to carry out the science to equipment and arrange in order to improve operating personnel's simple operation nature, have stronger practicality.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a test vehicle for dynamically testing inertial navigation products comprises a test vehicle carrier, a cabinet is arranged in the test vehicle carrier, a touch display screen, an industrial personal computer, a GPS receiver and a synchronous signal device are arranged in the cabinet, the top of the vehicle head of the test vehicle carrier is provided with a GPS antenna which is in communication connection with a GPS receiver, the mounting plate is arranged at the rear part in the test vehicle body, the mounting plate is provided with a speedometer, an altimeter and high-precision inertial navigation equipment, the mounting plate is also used for mounting the inertial navigation equipment to be tested, the synchronous signal device is respectively and electrically connected with the high-precision inertial navigation equipment, the odometer and the GPS receiver, the high-precision inertial navigation equipment, the odometer, the altimeter, the GPS receiver and the touch display screen are respectively and electrically connected with the industrial personal computer, and the synchronous signal device and the industrial personal computer are respectively and electrically connected with the inertial navigation equipment to be tested.
Preferably, still install UPS and conversion power module in the rack, the alternating current output of UPS respectively with the power input electric connection of touch display screen, industrial computer, the direct current output of UPS respectively with the power input electric connection of high accuracy inertial navigation equipment, altimeter, synchronous signal device, conversion power module, GPS receiver, the direct current output of UPS still is used for electric connection to be surveyed inertial navigation equipment's power input end, conversion power module's power output and the power input electric connection of odometer.
Preferably, the conversion power supply module is a +24V to +5V power supply module.
Preferably, the test vehicle carrier is an automobile which is installed in a modified mode, and other original vehicle seats except a driver seat and a front passenger seat are detached from the automobile.
Preferably, the automobile is a new generation all-cis 2.2T long-axis 15-seat high-roof automobile.
Preferably, the cabinet is mounted behind a driver seat of the test vehicle carrier.
Preferably, a double sofa seat is further installed in the test vehicle body and is located behind the cabinet.
Preferably, the distance between the front end of the love seat and the front panel of the cabinet is 300-400 mm.
Preferably, openings matched with the tire covers protruding from the rearmost part in the test vehicle carrier are formed in two sides of the mounting plate.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the method comprises the steps that a reference device consisting of a GPS antenna, a GPS receiver, high-precision inertial navigation equipment, a milemeter and an altimeter is adopted, and complete and high-precision reference information comprising speed, longitude, latitude, altitude and attitude is provided;
(2) the device is provided with a synchronous signal device, so that the navigation results of the inertial navigation product to be tested and the reference equipment at the same moment can be collected and compared, and the precision evaluation error caused by signal transmission delay or asynchronism among the equipment is avoided;
(3) the touch display screen is equipped, and the seat position and height design considers the distance between the seat and the cabinet and the height of the touch display screen, so that the seat is convenient to operate and has good riding comfort.
The test vehicle is provided with comprehensive reference equipment to provide complete evaluation information, adopts a synchronous signal device to compare the navigation results of the tested inertial navigation product and the reference equipment at the same moment, scientifically arranges the equipment to improve the operation convenience of operators, and has strong practicability.
Drawings
Fig. 1 is a schematic layout view of a test vehicle for dynamic testing of inertial navigation products according to an embodiment of the present invention.
Fig. 2 is a schematic view of a cabinet and an apparatus layout installed in the cabinet in a test vehicle for dynamic testing of inertial navigation products according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a mounting plate in a test vehicle for dynamic testing of inertial navigation products according to an embodiment of the present invention.
Fig. 4 is a schematic layout diagram of eight pieces of inertial navigation equipment to be tested installed in a test vehicle.
Fig. 5 is a schematic diagram of a power supply principle of each device in a test vehicle for dynamic testing of an inertial navigation product according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of a signal transmission principle of each device in a test vehicle for dynamic testing of an inertial navigation product according to an embodiment of the present invention.
The labels in the figure are: 1. the device comprises a test vehicle carrier, 2, a GPS antenna, 3, a cabinet, 4, a sofa seat, 5, a mounting plate, 51, a notch, 6, high-precision inertial navigation equipment, 7, a mileometer, 8, an altimeter, 9, a touch display screen, 10, an industrial personal computer, 11, a UPS, 12, a + 24V-to- +5V power module, 13, a GPS receiver, 14, a synchronous signal device, 15 and measured inertial navigation equipment.
Detailed Description
In order to make the aforementioned and other features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1 to 6, this embodiment provides a test vehicle for dynamic test of inertial navigation products, including a test vehicle carrier 1, a cabinet 3 is installed in the test vehicle carrier 1, a touch display screen 9, an industrial personal computer 10, a GPS receiver 13 and a synchronization signal device 14 are installed in the cabinet 3, a GPS antenna 2 is installed at the top of a vehicle head of the test vehicle carrier 1, the GPS antenna 2 is in communication connection with the GPS receiver 13, an installation plate 5 is installed at the rearmost side in the test vehicle carrier 1, an odometer 7, an altimeter 8 and a high-precision inertial navigation device 6 are installed on the installation plate 5, a measured inertial navigation device 15 is also installed on the installation plate 5, the synchronization signal device 14 is electrically connected with the high-precision inertial navigation device 6, the odometer 7, the altimeter 8 and the GPS receiver 13 respectively, and the high-precision inertial navigation device 6 is electrically connected with the high-precision inertial navigation device 6, The odometer 7, the height meter 8, the GPS receiver 13 and the touch display screen 9 are respectively and electrically connected with the industrial personal computer 10, and the synchronous signal device 14 and the industrial personal computer 10 are also respectively and electrically connected with the inertial navigation equipment 15 to be tested.
The GPS antenna 2, the GPS receiver 13, the altimeter 8, the odometer 7 and the high-precision inertial navigation equipment 6 belong to reference equipment of a test vehicle; the GPS antenna 2 is used for receiving GPS signals and transmitting the GPS signals to the GPS receiver 13, and the GPS receiver 13 is used for receiving the signals of the GPS antenna 2 and analyzing longitude and latitude information provided by a GPS to provide longitude and latitude references; the height gauge 8 provides a height reference; the odometer 7 provides a speed reference; the high-precision inertial navigation device 6 provides an attitude reference. The touch display screen 9 is used for inputting commands for controlling the tested inertial navigation device 15 and each reference device so as to control the working states of the tested inertial navigation device 15 and each reference device; adopt touch-type display screen 9 to let the experimenter need not can control through mouse and keyboard, reduced operating space to the simple operation nature under the experimental car motion state has been improved. The industrial personal computer 10 is used for receiving, storing and comparing navigation information of the inertial navigation device 15 to be tested and each reference device. The function of the synchronization signal device 14 (essentially, a pulse generator) is to send synchronization signals to the inertial navigation device 15 under test and each reference device, so that the inertial navigation device 15 under test and each reference device send out navigation information at the same time after receiving the synchronization signals, and precision evaluation errors caused by delay or asynchronization of signal transmission of each device are avoided.
As shown in fig. 6, the signal transmission principle of each device in the test vehicle is as follows: the synchronous signal device 14 sends synchronous signals to the high-precision inertial navigation device 6, the odometer 7, the altimeter 8, the GPS receiver 13 and the measured inertial navigation device 15, the high-precision inertial navigation device 6, the odometer 7, the altimeter 8, the GPS receiver 13 and the measured inertial navigation device 15 send navigation information at the same time to the industrial personal computer 10 after receiving the synchronous signals, specifically, the high-precision inertial navigation device 6 sends attitude reference, the odometer 7 sends speed reference, the altimeter 8 sends altitude reference, the GPS receiver 13 sends longitude and latitude reference, the measured inertial navigation device 15 sends navigation information including speed, longitude, latitude, altitude and attitude, and the industrial personal computer 10 receives the navigation information of each device for storage and comparison to obtain the dynamic test precision of the measured inertial navigation device 15.
In this embodiment, still install UPS11 and conversion power module in the rack 3, the alternating current output of UPS11 respectively with touch display screen 9, industrial computer 10's power input electric connection, the direct current output of UPS11 respectively with high accuracy inertial navigation equipment 6, altimeter 8, synchronous signal device 14, conversion power module 12, GPS receiver 13's power input electric connection, the direct current output of UPS11 still is used for electric connection to be surveyed inertial navigation equipment 15's power input end, conversion power module's power output and odometer 7's power input electric connection.
In this embodiment, the conversion power module is a +24V to +5V power module 12. As shown in fig. 5, the power supply principle of each device in the test vehicle is as follows: the UPS11 is used as a rechargeable battery to provide 220V alternating current and +24V direct current for the test vehicle: 220V alternating current supplies power to the touch display screen 9 and the industrial personal computer 10; the +24V direct current supplies power to the high-precision inertial navigation equipment 6, the altimeter 8, the measured inertial navigation equipment 15, the synchronous signal device 14 and the GPS receiver 13, and meanwhile, the +24V direct current is transmitted to the +24V to +5V power supply module 12 to be converted into +5V direct current; the +24V to +5V power module 12 is used for converting the +24V dc output by the UPS11 into +5V dc to power the odometer 7.
In this embodiment, the test vehicle carrier 1 is an automobile which is modified and installed, and the specific modification and installation mode is as follows: the automobile is characterized in that seats of the original automobile except the driver seat and the assistant driver seat are removed, namely, a space from the driver seat to the tail of the automobile is an additional installation space of the test automobile. The automobile is preferably but not limited to a new generation cis-2.2T long-axis 15-seat high-top automobile, and the whole automobile system is used as the test vehicle carrier 1 after being modified and installed.
In the present embodiment, the cabinet 3 is installed behind the driver seat of the test vehicle carrier 1, and is used for installing electronic devices, such as the touch display screen 9, the industrial personal computer 10, the UPS11, the +24V to +5V power module 12, the GPS receiver 13, and the synchronization signal device 14.
In this embodiment, a love seat 4 is further installed in the test vehicle carrier 1, and the love seat 4 is located behind the cabinet 3, so that a tester can directly face the touch display screen 9 on the cabinet 3. The distance between the front end of the love seat 4 and the front panel of the cabinet 3 is 300-400 mm, preferably but not limited to 350 mm, so that a tester has good riding comfort.
In this embodiment, the mounting plate 5 is provided with notches 51 at two sides thereof, which are adapted to the rearmost raised tire covers in the test vehicle carrier 1, so that the mounting plate 5 is stably mounted on the test vehicle carrier 1. The rest positions of the mounting plate 5 except for the positions occupied by the altimeter 8, the odometer 7 and the high-precision inertial navigation device 6 are used for mounting the inertial navigation device 15 to be tested, and if the size of the mounting plate 5 is 1470 mm × 1740 mm (length × width), and if the size of a certain inertial navigation device 15 to be tested is 453 mm × 245 mm (length × width), a maximum of eight inertial navigation devices 15 to be tested can be mounted on the mounting plate 5 for simultaneous dynamic testing.
It should be particularly noted that the electronic devices mentioned in this embodiment can all adopt existing mature products, and are not described herein again.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any person skilled in the art should not depart from the technical scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the scope of the present invention.
Claims (9)
1. A test vehicle for inertial navigation product dynamic testing, characterized in that: comprises a test vehicle carrier, a cabinet is arranged in the test vehicle carrier, a touch display screen, an industrial personal computer, a GPS receiver and a synchronous signal device are arranged in the cabinet, the top of the vehicle head of the test vehicle carrier is provided with a GPS antenna which is in communication connection with a GPS receiver, the mounting plate is arranged at the rear part in the test vehicle body, the mounting plate is provided with a speedometer, an altimeter and high-precision inertial navigation equipment, the mounting plate is also used for mounting the inertial navigation equipment to be tested, the synchronous signal device is respectively and electrically connected with the high-precision inertial navigation equipment, the odometer and the GPS receiver, the high-precision inertial navigation equipment, the odometer, the altimeter, the GPS receiver and the touch display screen are respectively and electrically connected with the industrial personal computer, and the synchronous signal device and the industrial personal computer are respectively and electrically connected with the inertial navigation equipment to be tested.
2. A test vehicle for the dynamic testing of inertial navigation products according to claim 1, characterized in that: still install UPS and conversion power module in the rack, the alternating current output of UPS respectively with the power input electric connection of touch display screen, industrial computer, the direct current output of UPS respectively with the power input electric connection of high accuracy inertial navigation equipment, altimeter, synchronous signal device, conversion power module, GPS receiver, the direct current output of UPS still is used for electric connection to be surveyed inertial navigation equipment's power input end, the power output of conversion power module and the power input electric connection of odometer.
3. A test vehicle for the dynamic testing of inertial navigation products according to claim 2, characterized in that: the conversion power supply module is a +24V to +5V power supply module.
4. A test vehicle for the dynamic testing of inertial navigation products according to claim 1, characterized in that: the test vehicle carrier is an automobile which is installed in a modified mode, and other original automobile seats except a driver seat and a co-driver seat are detached from the automobile.
5. A test vehicle for the dynamic testing of inertial navigation products according to claim 4, characterized in that: the automobile is a new generation of a 2.2T long-axis 15-seat high-top automobile.
6. A test vehicle for the dynamic testing of inertial navigation products according to claim 4, characterized in that: the cabinet is arranged behind a driver seat of the test vehicle carrier.
7. A test vehicle for the dynamic testing of inertial navigation products according to claim 1 or 4, characterized in that: a double-seat sofa seat is further mounted in the test vehicle body and is located behind the cabinet.
8. A test vehicle for the dynamic testing of inertial navigation products according to claim 7, characterized in that: the distance between the front end of the double sofa seat and the front panel of the cabinet is 300-400 mm.
9. A test vehicle for the dynamic testing of inertial navigation products according to claim 1, characterized in that: and openings matched with the tire covers protruding from the rearmost part in the test vehicle carrier are formed in the two sides of the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123330575.4U CN216593450U (en) | 2021-12-28 | 2021-12-28 | Test vehicle for dynamic test of inertial navigation product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123330575.4U CN216593450U (en) | 2021-12-28 | 2021-12-28 | Test vehicle for dynamic test of inertial navigation product |
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| Publication Number | Publication Date |
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| CN216593450U true CN216593450U (en) | 2022-05-24 |
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| CN202123330575.4U Active CN216593450U (en) | 2021-12-28 | 2021-12-28 | Test vehicle for dynamic test of inertial navigation product |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116295378A (en) * | 2023-03-08 | 2023-06-23 | 阿里巴巴（中国）有限公司 | Inertial navigation positioning adaptation method, device and electronic equipment |
| WO2024207662A1 (en) * | 2023-04-07 | 2024-10-10 | 重庆天箭惯性科技股份有限公司 | Testing vehicle for navigation accuracy testing |
-
2021
- 2021-12-28 CN CN202123330575.4U patent/CN216593450U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116295378A (en) * | 2023-03-08 | 2023-06-23 | 阿里巴巴（中国）有限公司 | Inertial navigation positioning adaptation method, device and electronic equipment |
| WO2024207662A1 (en) * | 2023-04-07 | 2024-10-10 | 重庆天箭惯性科技股份有限公司 | Testing vehicle for navigation accuracy testing |
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