CN209342112U - A kind of inertial navigation system delay time measurement device - Google Patents
A kind of inertial navigation system delay time measurement device Download PDFInfo
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- CN209342112U CN209342112U CN201822158695.2U CN201822158695U CN209342112U CN 209342112 U CN209342112 U CN 209342112U CN 201822158695 U CN201822158695 U CN 201822158695U CN 209342112 U CN209342112 U CN 209342112U
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- navigation system
- inertial navigation
- turntable
- close
- delay time
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Abstract
The utility model discloses a kind of inertial navigation system delay time measurement devices, uniaxial multi-function turntable including measured inertial navigation system can be installed, inertial navigation system exports the course value of carrier in real time and is transmitted to acquisition equipment by turntable sliding ring connector, being provided on turntable can be with the attribute block of inertial navigation system synchronous rotary, what is matched with attribute block is provided with close to switch, close to switch remain stationary and with acquisition equipment connect, when close to switch and attribute block close to when output one pulse signal；The revolving speed for changing turntable records the course value of inertial navigation system output by acquisition equipment and close to the pulse signal of switch output, inertial navigation system delay time is calculated.The utility model structure is simple, flexible and convenient to use, does not need to provide synchronization signal, can reduce the requirement to experimental facilities, save the cost of experiment.
Description
Technical field
The utility model relates to inertial navigation system testing fields, and in particular to a kind of inertial navigation system delay time survey
Measure device.
Background technique
When inertial navigation system use is under the applications such as antiaircraft gun, rocket projectile, needs to learn carrier position variation and be used to
Property navigation system port exports the time between the attitudes vibration.The universal method for measuring this delay time is to lead inertia
Boat system is placed on tilter, tilter and inertial navigation system under the action of synchronization signal synchronize be acquired with it is defeated
Out, delay time can be contrasted at this time.But this method, which needs tilter and inertial navigation system all, must have together
Signaling interface is walked, and the frequency of synchronization signal must be higher.This dedicated tilter higher cost, experimental expenses are expensive.
Utility model content
The purpose of this utility model is that being directed to above-mentioned the problems of the prior art, a kind of inertial navigation system delay is provided
Time measurement device does not need to provide synchronization signal, can substitute tilter, reduce the requirement to experimental facilities, saves experiment
Cost.
To achieve the goals above, the technical solution adopted in the utility model are as follows: including inertial navigation system can be installed
Turntable, inertial navigation system exports the course value of carrier in real time and is transmitted to acquisition equipment by turntable sliding ring connector, turns
Platform is equipped with can be with the attribute block of inertial navigation system synchronous rotary, and what is matched with attribute block is equipped with close to switch, approaches
Switch with acquisition equipment connect, when approach switch and attribute block close to when output pulse signal；Change turntable revolving speed, passes through acquisition
Equipment records the course value of inertial navigation system output and the pulse signal close to switch output, and inertial navigation system is calculated
Delay time.
The turntable includes stationary pedestal and is used for the circle of Dormant Inertial Navigation System on pedestal
Rotating platform.
There are two turntable sliding ring connectors, two turntable sliding ring connectors to be arranged in circle for setting on the turntable
On the upper surface and pedestal of rotating platform, data line successively passes through two turntable sliding ring connector connection acquisition equipment.
The attribute block is fixedly mounted on the sidewall surfaces of circular rotating platform.
Described is fixedly mounted on pedestal close to switch, when attribute block close to when can the sense of access should and export an arteries and veins
Rush signal.
Revolving speed can be arranged by control cabinet in the turntable, and keeps stable and rotate.
The model LP221 that the inertial navigation system uses, the turntable use the single shaft of model TD-450
Turntable, the model DSUB25 that sliding ring connector uses, the model JSB2-01 that acquisition equipment uses.
The model E3FA-DN11 used close to switch, the model JR-TD-01 that attribute block uses.
Compared with prior art, the utility model is adopted with following the utility model has the advantages that compared to traditional dedicated tilter
It no longer needs to provide synchronization signal with the measurement that the utility model carries out inertial navigation system delay time, used in the device
Turntable, structure is simple, and processing cost is low, and common most of turntable in the market can be used and replace, acquisition equipment can be used
The general equipment with RS422 serial ports and pulse signal acquisition interface replaces in the market, more general, passes through the change of course angle
The speed of rotation of change value and turntable, can be calculated inertial navigation system delay time, and calculation method is simple.The utility model energy
Cost spent by dedicated tilter enough can be greatly reduced, easy to use and flexible can promote inertial navigation system measuring technology
Development.
Detailed description of the invention
The overall structure diagram of Fig. 1 the utility model；
In figure: 1- inertial navigation system；2- turntable；3- turntable sliding ring connector；4- attribute block；The close switch of 5-；6- is adopted
Collect equipment.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings.
Referring to Fig. 1, the inertial navigation system delay time measurement device of the utility model includes turntable 2 in structure, turns
Platform sliding ring connector 3, attribute block 4, close switch 5 and acquisition equipment 6, the function and connection relationship of each component are as follows:
(1) inertial navigation system 1 is to be measured equipment, and major function is the course value of real-time measurement and output carrier.
(2) turntable 2 is for installing inertial navigation system 1, and provides a continuous, stable rotation for system testing.
(3) major function of turntable sliding ring connector 3 is exported the output information of inertial navigation system 1 to acquisition equipment
6。
(4) attribute block 4 export a pulse signal after close to switch 5 close to attribute block 4, give measurement offer reference bit
It sets.
(5) close to switch 5, detect attribute block 4 it is close when one pulse signal of output.
(6) acquisition equipment 6 acquires the course close to the pulse signal exported of switch 5 and the output of inertial navigation system 1
Value.
Wherein, the model LP221 that inertial navigation system 1 uses, turntable 2 use the single axle table of model TD-450,
The model DSUB25 that sliding ring connector 3 uses, the model JSB2-01 that acquisition equipment 6 uses.
The model E3FA-DN11 used close to switch 5, the model JR-TD-01 that attribute block 4 uses.
Illustrate the measurement method of the utility model by the following examples:
Inertial navigation system LP221 is fixed on the table top of TD-450 single shaft multi-function turntable, inertial navigation system
LP221 is connected on acquisition equipment JSB2-01 by turntable sliding ring connector DSUB25；Attribute block JR-TD-01 is fixed on TD-
The table top side of 450 uniaxial multi-function turntables；The table top of TD-450 single shaft multi-function turntable is placed on close to switch E3FA-DN11
Near, the distance between the table top close to switch E3FA-DN11 and TD-450 single shaft multi-function turntable is adjusted, in TD-450 single shaft
During multi-function turntable rotates a circle, when only attribute block JR-TD-01 is directed at close switch E3FA-DN11, close to switch
E3FA-DN11 could export high pulse signal, acquire equipment JSB2-01, inertial navigation system close to switch E3FA-DN11 connection
The communication line connection acquisition equipment JSB2-01 that LP221 passes through turntable sliding ring connector DSUB25 output.
After all devices fix, TD-450 single shaft multi-function turntable is first rotated with the relatively low velocity of 3.6 °/s, mark
When will block JR-TD-01 is close proximity to switch E3FA-DN11, a pulse signal is exported, equipment JSB2-01 is acquired at this time and receives
After pulse signal, the course angle θ of inertial navigation system LP221 output is collected and recorded immediately1.Then, TD-450 is uniaxial more
Function turntable revolving speed is improved to 36 °/s, and the course angle a of inertial navigation system is continuously recorded when pulse signal arrivesi,
In, i=1 ... 10；The delay time of inertial navigation system LP221: ti=(θ is calculated using formula1-ai)/36；By to 10
Group delaing time ti calculates average value, then obtains final inertial navigation system delay time t.
The above is only the preferred embodiment of the present invention, not to do in any form to the utility model
It limits, those of ordinary skill in the art are not it is to be appreciated that under the premise of departing from the utility model basic conception, the utility model
Technical solution can also make several modifications and replacement, these modification and replacement also can fall into guarantor defined by claim
Protect range.
Claims (8)
1. a kind of inertial navigation system delay time measurement device, it is characterised in that: including inertial navigation system (1) can be installed
Turntable (2), inertial navigation system (1) the course value of output carrier and is transmitted to and adopted by turntable sliding ring connector (3) in real time
Collect equipment (6), turntable (2) is equipped with can be with the attribute block (4) of inertial navigation system (1) synchronous rotary, with attribute block (4) phase
Cooperation is equipped with close switch (5), connect close to switch (5) with acquisition equipment (6), when close switch (5) is leaned on attribute block (4)
Output pulse signal when close；Change turntable (2) revolving speed, passes through the course of acquisition equipment (6) record inertial navigation system (1) output
Value and the pulse signal exported close to switch (5), are calculated inertial navigation system delay time.
2. inertial navigation system delay time measurement device according to claim 1, it is characterised in that: the turntable
(2) include stationary pedestal and be mounted on the base circular rotating platform for Dormant Inertial Navigation System (1).
3. inertial navigation system delay time measurement device according to claim 2, it is characterised in that: the turntable
(2) there are two turntable sliding ring connector (3), two turntable sliding ring connectors (3) to be arranged in circular rotating platform for setting on
Upper surface and pedestal on, data line successively passes through two turntable sliding ring connectors (3) connection acquisition equipment (6).
4. inertial navigation system delay time measurement device according to claim 2, it is characterised in that: the attribute block
(4) sidewall surfaces of circular rotating platform are fixedly mounted on.
5. inertial navigation system delay time measurement device according to claim 4, it is characterised in that: described approaching is opened
Close (5) be fixedly mounted on pedestal, when attribute block (4) close to when can the sense of access should and export a pulse signal.
6. inertial navigation system delay time measurement device according to claim 1 or 2, it is characterised in that: described turns
Revolving speed can be arranged by control cabinet in platform (2), and keeps stable and rotate.
7. inertial navigation system delay time measurement device according to claim 1, it is characterised in that: the inertia is led
The model LP221 that boat system (1) uses, the turntable (2) use the single axle table of model TD-450, sliding ring connector
(3) the model DSUB25 used, the model JSB2-01 that acquisition equipment (6) uses.
8. inertial navigation system delay time measurement device according to claim 1, it is characterised in that: described approaching is opened
Close the model E3FA-DN11 that (5) use, the model JR-TD-01 that attribute block (4) uses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822158695.2U CN209342112U (en) | 2018-12-21 | 2018-12-21 | A kind of inertial navigation system delay time measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822158695.2U CN209342112U (en) | 2018-12-21 | 2018-12-21 | A kind of inertial navigation system delay time measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209342112U true CN209342112U (en) | 2019-09-03 |
Family
ID=67758205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822158695.2U Active CN209342112U (en) | 2018-12-21 | 2018-12-21 | A kind of inertial navigation system delay time measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209342112U (en) |
-
2018
- 2018-12-21 CN CN201822158695.2U patent/CN209342112U/en active Active
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