CN203573124U - Missile-borne recovery type memory having function of analog quantity acquisition - Google Patents
Missile-borne recovery type memory having function of analog quantity acquisition Download PDFInfo
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- CN203573124U CN203573124U CN201320683240.7U CN201320683240U CN203573124U CN 203573124 U CN203573124 U CN 203573124U CN 201320683240 U CN201320683240 U CN 201320683240U CN 203573124 U CN203573124 U CN 203573124U
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Abstract
The utility model provides a missile-borne recovery type memory having the function of analog quantity acquisition. The missile-borne recovery type memory includes a memory body (1), an aluminium insert (2), an inner core casing (3), a front felt pad (4), a rear felt pad (5), an inner core cover (6), a rear cover (7), and a pressing plate (8), a memory circuit board includes an acquisition module and a storage module, the acquisition module includes a voltage conditioning circuit, a multi-path selector switch circuit, and an AD acquisition circuit, the storage module includes a power supply module, a communication structure, an FPGA module, and a flash chip, and the FPGA module includes a launch circuit interpreting module, an acquisition coding module, an FIFO module, a FLASH read-write control module, and a communication interface control module. The missile-borne recovery type memory can effectively reduce the impact overloading during the penetration and successively acquires fuse signals emitted 10ms before the landing.
Description
Technical field
The utility model belongs to reentry vehicle technical field, is specifically related to a kind of missile-borne recovery type storer with analog acquisition function.
Background technology
Reentry vehicle, in flight test process, need gather, store and reclaim environmental parameter and detonating parameters, to the evaluation of flight test, provides reliable Data support.Because the inner installing space of aircraft is limited, need storer to possess collection, coding and memory function, and circuit board size need miniaturization simultaneously, need rational deployment to guarantee that data acquisition storage is reliable.Complete aircraft and land the acquisition and recording work of front Millisecond data, need to improve the memory rate of storer, guarantee the reliable collection storage of data.Complete omnidistancely to the measurement task of landing, storer need to reclaim firmly, need to carry out storer at the protected working landing under large impact environment.
Summary of the invention
The purpose of this utility model is the defect that overcomes prior art, and a kind of miniaturization missile-borne recovery type storer with analog acquisition function is provided.
To achieve these goals, the technical solution of the utility model is that a kind of missile-borne recovery type storer with analog acquisition function, comprises storer body, aluminium insert, inner core housing, front felt pan, rear felt pan, interior core cap, bonnet and pressing plate; Storer body is the middle bullet-shaped structure that has cavity, and left side has the circular trough with bonnet, platen shape coupling, and cavity shape is the cylindrical cavity with round end; Aluminium insert shape and storer chamber body form fit, evenly have some circle circular holes on the cylindrical wall of aluminium insert, at its round end face center, have a back taper bench-type hole; Aluminium insert is placed in the cavity of storer body, and and storer body cavity right side between be provided with front felt pan, and between bonnet, be provided with felt pans after some layers; Bonnet is arranged in the circular trough of storer body, and pressing plate is arranged in the gap of bonnet and storer body circular trough.
On the cylindrical wall of aluminium insert, evenly have 3 circle circular holes.
Described memory unit circuit board comprises acquisition module and memory module; Wherein, comprise voltage modulate circuit, multidiameter option switch circuit, AD Acquisition Circuit in acquisition module, memory module comprises power circuit, communication structure, FPGA module and flash chip; Power circuit is accepted the 5V voltage of external power source, to circuit all on memory unit circuit board and module for power supply; After energising, outside several sensors are inputted some roads voltage to voltage modulate circuit, become the voltage of some road 0～5V after the conditioning of voltage modulate circuit, are input to multidiameter option switch circuit; Simultaneously FPGA module is accepted the outside signal and send out control signal to multidiameter option switch circuit of taking off, FPGA module controls multidiameter option switch circuit from the voltage of some road 0～5V successively gating one road to AD Acquisition Circuit, then FPGA module is sent out control signal to AD Acquisition Circuit again, the voltage that control AD Acquisition Circuit is sent multidiameter option switch circuit successively becomes digital signal, and then FPGA module is accepted the digital signal that AD Acquisition Circuit is beamed back again; FPGA module is compiled frame to the digital signal receiving, after issue flash chip and store; Communication interface receives outside instruction, by FPGA module, is read in flash chip and is compiled the data after frame, sends to outside.
Described FPGA module comprises the circuit reading module of taking off, capturing and coding module, fifo module, FLASH read-write control module and communication interface control module; The circuit reading module of taking off is responsible for the interpretation signal that takes off, when the effective postposition of the signal that takes off is taken off sign effectively; Capturing and coding module controls multidiameter option switch circuit and AD Acquisition Circuit after power supply, the digital signal that reception AD Acquisition Circuit is beamed back is compiled frame, again the data of compiling after frame are write to fifo module, then constantly loop data acquisition coding, in compiling frame process, if receive taking off after sign that the circuit reading module of taking off sends, just take off and indicate the frame count zero clearing in compiled Frame according to this; FLASH read-write control module reading out data depositing in flash chip from fifo module; After storing process completes, communication interface control module receives external control instruction, and FLASH read-write control module reads the data in flash chip and writes fifo module, and communication interface control module reads fifo module data and sends to outside through communication interface.
The utility model can effectively be reduced in the impact acceleration in Penetration, and successfully collects and land the fusee signal that front 10ms sends.
Accompanying drawing explanation
Fig. 1 is structure cut-open view of the present utility model.
Fig. 2 is the circuit theory diagrams of memory unit circuit board.
Fig. 3 is FPGA functional block diagram.
In figure, 1-storer body, 2-aluminium insert, 3-inner core housing, felt pan before 4-, felt pan after 5-, core cap in 6-, 7-bonnet, 8-pressing plate.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
The utility model assembling process is as follows: first aluminium insert 2 is put into the inner chamber of storer body 1, and the round end face of aluminium insert 2 is close to the right side of 1 inner chamber; Again front felt pan 4 is pasted into behind aluminium insert 2 inner chamber right sides, then inner core housing 3 is put into aluminium insert 2; Now memory unit circuit board is positioned in the cavity of inner core housing 3 again, injects Embedding Material, interior core cap 6 is screwed with inner core housing 3, waits Embedding Material to solidify rear interior core cap 6 and inner core housing 3 becomes one structure; Finally, felt pan 5 after interior core cap 6 left surfaces are pressed into some layers, then annular pressing plate 8 is put in rear felt pan 5 outsides more again, then bonnet 7 is pressed between the circular trough of pressing plate 8 and storer body 1, as shown in Figure 1.
For impact acceleration, protect, in design, storer body 1 adopts bullet-shaped structure, be reduced in the impact acceleration in Penetration, adopt high-intensity inner core housing 3 to ensure in the Penetration that contacts to earth the not cracked or destructive deformation of one-piece construction simultaneously, maintain more favourable penetration profile.For stress wave protection, in design, main utilization by the stress wave that multiple layer metal and the nonmetal composite structure forming reflect, impact-absorbing produces, reaches the object of isolation stress wave.Storer has formed plow-steel shell (F175)-aluminium alloy protective layer (deformation layer)-non-metallic gasket from outside to inside (felt and rubber, axial)-multilayer intensity of plow-steel storer housing (F175)-nonmetal interior embedding layer, the composite structure that wave impedance difference is larger in design, can usable reflection and the stress wave that produces of impact-absorbing, in the weak aluminium alloy of intensity and embedding layer, less distortion is sponged simultaneously.For the thermal environment after contacting to earth, mainly adopt nonmetallic materials embedding isolation and the fire insulation design to cable passage, guarantee that under hot environment, memory chip does not damage obliterated data.In storer, carry out embedding and also can improve insulation effect.
Described memory unit circuit board as shown in Figure 2, comprises acquisition module and memory module; Wherein, comprise voltage modulate circuit, multidiameter option switch circuit, AD Acquisition Circuit in acquisition module, memory module comprises power circuit, communication structure, FPGA module and flash chip; Power circuit is accepted the 5V voltage of external power source, to circuit all on memory unit circuit board and module for power supply; After energising, outside several sensors are inputted some roads voltage to voltage modulate circuit, become the voltage of some road 0～5V after the conditioning of voltage modulate circuit, are input to multidiameter option switch circuit; Simultaneously FPGA module is accepted the outside signal and send out control signal to multidiameter option switch circuit of taking off, FPGA module controls multidiameter option switch circuit from the voltage of some road 0～5V successively gating one road to AD Acquisition Circuit, then FPGA module is sent out control signal to AD Acquisition Circuit again, the voltage that control AD Acquisition Circuit is sent multidiameter option switch circuit successively becomes digital signal, and then FPGA module is accepted the digital signal that AD Acquisition Circuit is beamed back again; FPGA module is compiled frame to the digital signal receiving, after issue flash chip and store; Communication interface receives outside instruction, by FPGA module, is read in flash chip and is compiled the data after frame, sends to outside.
Described FPGA module as shown in Figure 3, comprises the circuit reading module of taking off, capturing and coding module, fifo module, FLASH read-write control module and communication interface control module; The circuit reading module of taking off is responsible for the interpretation signal that takes off, when the effective postposition of the signal that takes off is taken off sign effectively; Capturing and coding module controls multidiameter option switch circuit and AD Acquisition Circuit after power supply, the digital signal that reception AD Acquisition Circuit is beamed back is compiled frame, again the data of compiling after frame are write to fifo module, then constantly loop data acquisition coding, in compiling frame process, if receive taking off after sign that the circuit reading module of taking off sends, just take off and indicate the frame count zero clearing in compiled Frame according to this; FLASH read-write control module reading out data depositing in flash chip from fifo module; After storing process completes, communication interface control module receives external control instruction, and FLASH read-write control module reads the data in flash chip and writes fifo module, and communication interface control module reads fifo module data and sends to outside through communication interface.
Above embodiment of the present utility model is explained in detail, above-mentioned embodiment is only optimum embodiment of the present utility model, but the utility model is not limited to above-described embodiment, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from the utility model aim, make various variations.
Claims (4)
1. a missile-borne recovery type storer with analog acquisition function, is characterized in that comprising storer body (1), aluminium insert (2), inner core housing (3), front felt pan (4), rear felt pan (5), interior core cap (6), bonnet (7) and pressing plate (8); Storer body (1) is the middle bullet-shaped structure that has cavity, and left side has and the circular trough of bonnet (7), pressing plate (8) form fit, and cavity shape is the cylindrical cavity with round end; Aluminium insert (2) shape and storer body (1) cavity shape coupling, evenly have some circle circular holes on the cylindrical wall of aluminium insert (2), at its round end face center, have a back taper bench-type hole; Aluminium insert (2) is placed in the cavity of storer body (1), and and storer body (1) cavity right side between be provided with front felt pan (4), and between bonnet (7), be provided with felt pans (5) after some layers; Bonnet (7) is arranged in the circular trough of storer body (1), and pressing plate (8) is arranged in the gap of bonnet (7) and storer body (1) circular trough.
2. a kind of missile-borne recovery type storer with analog acquisition function as claimed in claim 1, is characterized in that evenly having 3 circle circular holes on the cylindrical wall of aluminium insert (2).
3. a kind of missile-borne recovery type storer with analog acquisition function as claimed in claim 2, is characterized in that memory unit circuit board comprises acquisition module and memory module; Wherein, comprise voltage modulate circuit, multidiameter option switch circuit, AD Acquisition Circuit in acquisition module, memory module comprises power circuit, communication structure, FPGA module and flash chip; Power circuit is accepted the 5V voltage of external power source, to circuit all on memory unit circuit board and module for power supply; After energising, outside several sensors are inputted some roads voltage to voltage modulate circuit, become the voltage of some road 0～5V after the conditioning of voltage modulate circuit, are input to multidiameter option switch circuit; Simultaneously FPGA module is accepted the outside signal and send out control signal to multidiameter option switch circuit of taking off, FPGA module controls multidiameter option switch circuit from the voltage of some road 0～5V successively gating one road to AD Acquisition Circuit, then FPGA module is sent out control signal to AD Acquisition Circuit again, the voltage that control AD Acquisition Circuit is sent multidiameter option switch circuit successively becomes digital signal, and then FPGA module is accepted the digital signal that AD Acquisition Circuit is beamed back again; FPGA module is compiled frame to the digital signal receiving, after issue flash chip and store; Communication interface receives outside instruction, by FPGA module, is read in flash chip and is compiled the data after frame, sends to outside.
4. a kind of missile-borne recovery type storer with analog acquisition function as claimed in claim 3, is characterized in that FPGA module comprises the circuit reading module of taking off, capturing and coding module, fifo module, FLASH read-write control module and communication interface control module; The circuit reading module of taking off is responsible for the interpretation signal that takes off, when the effective postposition of the signal that takes off is taken off sign effectively; Capturing and coding module controls multidiameter option switch circuit and AD Acquisition Circuit after power supply, the digital signal that reception AD Acquisition Circuit is beamed back is compiled frame, again the data of compiling after frame are write to fifo module, then constantly loop data acquisition coding, in compiling frame process, if receive taking off after sign that the circuit reading module of taking off sends, just take off and indicate the frame count zero clearing in compiled Frame according to this; FLASH read-write control module reading out data depositing in flash chip from fifo module; After storing process completes, communication interface control module receives external control instruction, and FLASH read-write control module reads the data in flash chip and writes fifo module, and communication interface control module reads fifo module data and sends to outside through communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320683240.7U CN203573124U (en) | 2013-10-31 | 2013-10-31 | Missile-borne recovery type memory having function of analog quantity acquisition |
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| CN201320683240.7U CN203573124U (en) | 2013-10-31 | 2013-10-31 | Missile-borne recovery type memory having function of analog quantity acquisition |
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| CN203573124U true CN203573124U (en) | 2014-04-30 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105160725A (en) * | 2015-07-24 | 2015-12-16 | 北京航天长征飞行器研究所 | Self-powered measurement memory apparatus and recovery method |
| CN105806399A (en) * | 2016-02-19 | 2016-07-27 | 西安航天动力技术研究所 | Measurement parameter hybrid framing method of missile-borne recorder |
| CN106017237A (en) * | 2016-05-30 | 2016-10-12 | 北京理工大学 | Overload measurement protection device resistant to high-speed collisions |
| CN106908212A (en) * | 2017-04-11 | 2017-06-30 | 南京理工大学 | Penetration impact acceleration signal transfer characteristic experimental rig |
| CN108216685A (en) * | 2016-12-19 | 2018-06-29 | 北京空间技术研制试验中心 | Suitable for the pneumatic thermal measurement method of blunt body reentry vehicle |
| CN108507425A (en) * | 2018-03-26 | 2018-09-07 | 西安工业大学 | A kind of magnetic susceptibility layer metering device for penetration fuse |
| CN108562354A (en) * | 2018-01-17 | 2018-09-21 | 河海大学 | A kind of geotechnical model slot can be used for reducing stress wave reflection |
| CN111427039A (en) * | 2020-04-21 | 2020-07-17 | 北京航天长征飞行器研究所 | ISAR imaging deception jamming method and device based on micro-motion characteristic modulation |
-
2013
- 2013-10-31 CN CN201320683240.7U patent/CN203573124U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105160725A (en) * | 2015-07-24 | 2015-12-16 | 北京航天长征飞行器研究所 | Self-powered measurement memory apparatus and recovery method |
| CN105160725B (en) * | 2015-07-24 | 2018-08-21 | 北京航天长征飞行器研究所 | A kind of confession electrical measurement storage device and recovery method |
| CN105806399A (en) * | 2016-02-19 | 2016-07-27 | 西安航天动力技术研究所 | Measurement parameter hybrid framing method of missile-borne recorder |
| CN105806399B (en) * | 2016-02-19 | 2018-02-16 | 西安航天动力技术研究所 | A kind of missile-borne recorder measurement parameter mixes framing method |
| CN106017237B (en) * | 2016-05-30 | 2020-02-14 | 北京理工大学 | Overload measurement protection device capable of resisting high-speed impact |
| CN106017237A (en) * | 2016-05-30 | 2016-10-12 | 北京理工大学 | Overload measurement protection device resistant to high-speed collisions |
| CN108216685A (en) * | 2016-12-19 | 2018-06-29 | 北京空间技术研制试验中心 | Suitable for the pneumatic thermal measurement method of blunt body reentry vehicle |
| CN106908212A (en) * | 2017-04-11 | 2017-06-30 | 南京理工大学 | Penetration impact acceleration signal transfer characteristic experimental rig |
| CN106908212B (en) * | 2017-04-11 | 2023-10-13 | 南京理工大学 | Impact acceleration signal transfer characteristic test device in penetration process |
| CN108562354A (en) * | 2018-01-17 | 2018-09-21 | 河海大学 | A kind of geotechnical model slot can be used for reducing stress wave reflection |
| CN108507425B (en) * | 2018-03-26 | 2019-10-25 | 西安工业大学 | A kind of magnetic susceptibility layer metering device for penetration fuse |
| CN108507425A (en) * | 2018-03-26 | 2018-09-07 | 西安工业大学 | A kind of magnetic susceptibility layer metering device for penetration fuse |
| CN111427039A (en) * | 2020-04-21 | 2020-07-17 | 北京航天长征飞行器研究所 | ISAR imaging deception jamming method and device based on micro-motion characteristic modulation |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20171031 |
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| CF01 | Termination of patent right due to non-payment of annual fee |