CN203616475U - Device for measuring landing speed of air-dropped product through radio fuses - Google Patents
Device for measuring landing speed of air-dropped product through radio fuses Download PDFInfo
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- CN203616475U CN203616475U CN201320669811.1U CN201320669811U CN203616475U CN 203616475 U CN203616475 U CN 203616475U CN 201320669811 U CN201320669811 U CN 201320669811U CN 203616475 U CN203616475 U CN 203616475U
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Abstract
The utility model belongs to the technical field of measurement, and particularly relates to a device for measuring the landing speed of an air-dropped product through radio fuses. The device comprises a radio fuse device and a data recording device; an antenna module, a high-frequency autodyne module, a detection module, a filtering module and a band-pass amplification module are connected in sequence; a control module is connected with a data acquisition module, a data storage module and a serial port communication module; the output end of the band-pass amplification module of the radio fuse device is connected with the data acquisition module of the data recording device; the requirement for accurate measurement of the landing speed of the air-dropped product can be met through four steps in specific operation. The improvement to the air-dropped product can guarantee reliable operation of the device.
Description
Technical field
The utility model belongs to technical field of measurement and test, is specifically related to a kind of device that utilizes electronic fuse to measure air-drop product touchdown ground speed.
Background technology
Electrical property, the mechanical property impact of touchdown ground speed on air-drop product is all very large, is one of important parameter of air-drop product concern.The impact acceleration that touchdown ground speed produces is the direct basis that part group parts design as contact fuze, is also the basis of the overload-resistant designs of components and parts such as product machinery, electronics simultaneously.Therefore, in product development process, need product touchdown ground speed accurately to measure.The measurement of touchdown ground speed conventionally can be by means of outer survey and two kinds of means of interior survey.Outer survey generally adopts TV tracking measurement instrument to carry out line test, and this test mode is followed the tracks of and high-speed capture target by two tv theodolites, obtains the circuit of whole air-drop process after graphical analysis, and calculates rate curve.This metering system program is complicated and relevant with environment visibility, affected by weather conditions, and because the relative uncertain of direction held in test angle and throwing, its measuring accuracy also can be subject to certain impact simultaneously.Interior survey adopts IMU to carry out velocity survey conventionally, but because the expensive cost of instrument and equipment is very high, and under high impact overload, IMU easily causes damaging and brings about great losses.
Utility model content
The purpose of this utility model is to overcome the defect existing in prior art, design a kind of device that utilizes electronic fuse to measure air-drop product touchdown ground speed, this device simplicity of design, volume is little, measuring accuracy is high, reliability is high, cost is low and shock resistance overload capacity is strong.
To achieve these goals, the technical solution of the utility model is a kind of device that utilizes electronic fuse to measure air-drop product touchdown ground speed of design, comprises electronic fuse device and data recording equipment;
Wherein, described electronic fuse device comprises that Anneta module, high frequency autodyne module, detection module, filtration module and band lead to amplification module; Described data recording equipment comprises power transfer module, control module, data acquisition module, data memory module and serial communication module; Its outside plant is air-drop product; Have groove at described air-drop product head, described electronic fuse device is arranged in described air-drop product head recess and makes the height of described Anneta module lower than the height on groove week edge; Described data recording equipment is arranged on described air-drop interiors of products;
The logical amplification module of described Anneta module, high frequency autodyne module, detection module, filtration module and band is connected successively, and described control module is connected with data acquisition module, data memory module and serial communication module respectively; The logical amplification module output terminal of band of described electronic fuse device is connected with the data acquisition module of described data recording equipment.
Also comprise power transfer module, described power transfer module is described data recording equipment power supply.
The logical amplification module output terminal of band of described electronic fuse device is connected by cable with the data acquisition module of described data recording equipment.
Described electronic fuse device is arranged on the groove of air-drop product head and encapsulates by isocyanurate foam, can guarantee after encapsulation, bullet monnolithic case and product to be consistent.
Described electronic fuse device and described data recording equipment cable used carry out waterproof sealing through the hole of air-drop product head with silicon rubber.
State when described air-drop product lands soon.Air-drop product axis and ground angle α are between 45 °～90 ° time, and system is normally worked.The electronic fuse device antenna transmission electromagnetic wave of air-drop product also receives ground echo signal.Antenna electric magnetic wave emission angle β is relevant with electronic fuse device self performance, and the present embodiment β is about 90 °.Data recording equipment records the Doppler frequency of electronic fuse device output.After data record, calculate the touchdown ground speed of air-drop product.
Its measuring method is:
Advantage of the present utility model and beneficial effect are:
One, that the utility model provides device uses is simple and easy, low cost of manufacture and have high reliability and high measurement accuracy.
Two, the method that the utility model provides can meet the demand that air-drop product touchdown ground speed is accurately measured in specific works.
Three, the utility model can guarantee the reliably working of the utility model generator to the improvement of air-drop product.
Four, the utility model also comprises power transfer module, and the device that can directly provide for the utility model carries out bulk supply, need to be by external power supply, and it is more convenient to use.
Accompanying drawing explanation
Fig. 1 is mounting structure schematic diagram of the present utility model;
Fig. 2 is the utility model electronic fuse device scheme of installation;
Fig. 3 is the utility model work schematic diagram.
Wherein, 1-electronic fuse device; 2-data recording equipment; 3-cable; 4-air-drop product head; 5-drops product; 6-foam pad; 7-isocyanurate foam; 8-silicon rubber.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is further described, following examples are only for the technical solution of the utility model is more clearly described, and can not limit protection domain of the present utility model with this.
As shown in Figure 1 to Figure 3, the concrete technical scheme of implementing of the utility model is: a kind of device that utilizes electronic fuse to measure air-drop product touchdown ground speed, comprises electronic fuse device 1 and data recording equipment 2;
Wherein, described electronic fuse device 1 comprises that Anneta module, high frequency autodyne module, detection module, filtration module and band lead to amplification module; Described data recording equipment 2 comprises power transfer module, control module, data acquisition module, data memory module and serial communication module; Its outside plant is air-drop product 5; Have groove at described air-drop product head 4, described electronic fuse device 1 is arranged in described air-drop product head 4 grooves and makes the height of described Anneta module lower than the height on groove week edge; Described data recording equipment 2 is arranged on described air-drop product 5 inside;
The logical amplification module of described Anneta module, high frequency autodyne module, detection module, filtration module and band is connected successively, and described control module is connected with data acquisition module, data memory module and serial communication module respectively; The logical amplification module output terminal of band of described electronic fuse device 1 is connected with the data acquisition module of described data recording equipment 2.
Also comprise power transfer module, described power transfer module is that described data recording equipment 2 is powered.
As shown in Figure 1, the logical amplification module output terminal of the band of described electronic fuse device 1 is connected by cable 3 with the data acquisition module of described data recording equipment 2.
Between described data recording equipment 2 and air-drop product 5, be bonded with foam pad 6.Can play and be convenient to the bonding firm of data recording equipment 2.
As shown in Figure 2, described electronic fuse device 1 is arranged on the groove of air-drop product head 4 and encapsulates by isocyanurate foam 7, can guarantee after encapsulation, bullet monnolithic case and product to be consistent.
As shown in Figure 2, described electronic fuse device 1 carries out waterproof sealing through the hole of air-drop product head 4 with silicon rubber 8 with described data recording equipment 2 cable 3 used.
As shown in Figure 3, state when described air-drop product 5 lands soon.Air-drop product 5 axis and ground angle α are between 45 °～90 ° time, and system is normally worked.The electronic fuse device 1 antenna transmission electromagnetic wave of air-drop product 5 also receives ground echo signal.Antenna electric magnetic wave emission angle β is relevant with electronic fuse device 1 self performance, and the present embodiment β is about 90 °.Data recording equipment 2 records the Doppler frequency that electronic fuse device 1 is exported.After data record, calculate the touchdown ground speed of air-drop product 5.
Its measuring method is:
Draw described air-drop product 5 with respect to the mode of the speed on ground according to Doppler range rate measurement formula v
r=cf
d/ 2f
0(wherein f
0for electronic fuse device is launched continuous wave frequency, v
rfor the speed of the relative electronic fuse device motion of target, i.e. radial velocity, c is propagation velocity of electromagnetic wave).
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. utilize electronic fuse to measure a device for air-drop product touchdown ground speed, comprise electronic fuse device (1) and data recording equipment (2);
It is characterized in that: wherein, described electronic fuse device (1) comprises that Anneta module, high frequency autodyne module, detection module, filtration module and band lead to amplification module; Described data recording equipment (2) comprises power transfer module, control module, data acquisition module, data memory module and serial communication module; Its outside plant is air-drop product (5); Have groove at described air-drop product head (4), described electronic fuse device (1) is arranged in described air-drop product head (4) groove and makes the height of described Anneta module lower than the height on groove week edge; Described data recording equipment (2) is arranged on described air-drop product (5) inside;
The logical amplification module of described Anneta module, high frequency autodyne module, detection module, filtration module and band is connected successively, and described control module is connected with data acquisition module, data memory module and serial communication module respectively; The logical amplification module output terminal of band of described electronic fuse device (1) is connected with the data acquisition module of described data recording equipment (2).
2. a kind of device that utilizes electronic fuse to measure air-drop product touchdown ground speed according to claim 1, is characterized in that: also comprise power transfer module, described power transfer module is described data recording equipment (2) power supply.
3. a kind of device that utilizes electronic fuse to measure air-drop product touchdown ground speed according to claim 1, is characterized in that: the logical amplification module output terminal of band of described electronic fuse device (1) is connected by cable (3) with the data acquisition module of described data recording equipment (2).
4. a kind of device that utilizes electronic fuse to measure air-drop product touchdown ground speed according to claim 1, is characterized in that: between described data recording equipment (2) and air-drop product (5), be bonded with foam pad (6).
5. a kind of device that utilizes electronic fuse to measure air-drop product touchdown ground speed according to claim 1, is characterized in that: described electronic fuse device (1) is arranged on the groove of air-drop product head (4) and passes through isocyanurate foam (7) encapsulation.
6. a kind of device that utilizes electronic fuse to measure air-drop product touchdown ground speed according to claim 1, is characterized in that: described electronic fuse device (1) carries out waterproof sealing with described data recording equipment (2) cable used (3) through the silicon rubber for hole (8) of air-drop product head (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320669811.1U CN203616475U (en) | 2013-10-28 | 2013-10-28 | Device for measuring landing speed of air-dropped product through radio fuses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320669811.1U CN203616475U (en) | 2013-10-28 | 2013-10-28 | Device for measuring landing speed of air-dropped product through radio fuses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203616475U true CN203616475U (en) | 2014-05-28 |
Family
ID=50769106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320669811.1U Expired - Fee Related CN203616475U (en) | 2013-10-28 | 2013-10-28 | Device for measuring landing speed of air-dropped product through radio fuses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203616475U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543450A (en) * | 2013-10-28 | 2014-01-29 | 中国船舶重工集团公司第七一〇研究所 | Device and method for measuring landing speed of air-dropped product through radio fuses |
| CN104569946A (en) * | 2014-12-30 | 2015-04-29 | 北京理工大学 | Quantitative characterization method for anti-jamming capability of electronic fuse based on relevant coefficients |
-
2013
- 2013-10-28 CN CN201320669811.1U patent/CN203616475U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543450A (en) * | 2013-10-28 | 2014-01-29 | 中国船舶重工集团公司第七一〇研究所 | Device and method for measuring landing speed of air-dropped product through radio fuses |
| CN104569946A (en) * | 2014-12-30 | 2015-04-29 | 北京理工大学 | Quantitative characterization method for anti-jamming capability of electronic fuse based on relevant coefficients |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20171028 |