CN205679698U - A kind of parachute autoamtic-opening device security performance tester - Google Patents
A kind of parachute autoamtic-opening device security performance tester Download PDFInfo
- Publication number
- CN205679698U CN205679698U CN201620465383.4U CN201620465383U CN205679698U CN 205679698 U CN205679698 U CN 205679698U CN 201620465383 U CN201620465383 U CN 201620465383U CN 205679698 U CN205679698 U CN 205679698U
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- CN
- China
- Prior art keywords
- circuit
- chip microcomputer
- parachute
- autoamtic
- opening device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of parachute autoamtic-opening device security performance tester, including single-chip microcomputer, in described single-chip microcomputer, the corresponding reset circuit of tool, crystal oscillating circuit and A/D change sample circuit, described A/D conversion sample circuit connects a pressure transducer, described single-chip microcomputer is also associated with latch, and described latch has memory expansion circuit；Further, described single-chip microcomputer also having 8255 off-chip Interface Expanding circuit, described 8255 off-chip Interface Expanding circuit are provided with LED digital display screen and keyboard scan part, and on single-chip microcomputer, connection has the power module for providing power supply.
Description
Technical field
This utility model relates to a kind of parachute detection equipment, particularly relates to a kind of parachute autoamtic-opening device safety
Can tester.
Background technology
Parachute autoamtic-opening device is a kind of short time interval delay control mechanism, and can realize Altitude control, with fall
The a large amount of matching used safety assurance equipment of the umbrella that falls.Can be used for air-drop and driver's lifesaving.Parachute autoamtic-opening device is filled
On the people or object of air-drop, after jumping out of aircraft, parachute autoamtic-opening device can control through certain time and reaching
Automatically pack is opened during certain altitude.Thereby ensure that the safety of air-drop.
The parachute autoamtic-opening device security performance tester being widely used at present is to be respectively adopted different instruments pair
Time, height and pressure parameter carry out calibration test, and automatization's intensity is low, and using aneroid capsule is sensitive original paper, measures and flies
The atmospheric pressure of line height, by the communicated mechanism of the deflection of bellows, makes indicators turn, and points out corresponding on graduated disc
Highly, this mechanical type altimeter due to the limitation of its aufbauprinciple and can not be accomplished surveying the impact of temperature during height
It is fully compensated, so there being the shortcomings such as certainty of measurement is the highest, poor reliability, output quantity of information is little, maintenance workload is big.
Utility model content
This utility model is in order to solve the above-mentioned deficiency of prior art, it is proposed that a kind of parachute autoamtic-opening device safety
Ability meter.
In order to solve above-mentioned technical problem, this utility model by the following technical solutions: a kind of parachute automatically opens up dress
Putting security performance tester, including single-chip microcomputer, in described single-chip microcomputer, the corresponding reset circuit of tool, crystal oscillating circuit and A/D conversion are adopted
Sample circuit, described A/D conversion sample circuit connects a pressure transducer, and described single-chip microcomputer is also associated with latch, institute
State and there is on latch memory expansion circuit；Further, described single-chip microcomputer also has 8255 off-chip Interface Expanding circuit, institute
State 8255 off-chip Interface Expanding circuit and be provided with LED digital display screen and keyboard scan part, and connect on single-chip microcomputer have for
The power module of power supply is provided.
Parachute autoamtic-opening device security performance tester of the present utility model is by single-chip microcomputer and related circuit, pressure
Sensor and AD conversion chip composition sample circuit, 8255 off-chip Interface Expanding circuit, LED charactron, keyboard scan part,
Power modules etc. form.
The operation principle of parachute autoamtic-opening device security performance tester of the present utility model is: pressed by high accuracy
Force transducer, A/D conversion interface circuit, data acquisition interface circuit etc. realize the simulations such as height, pressure, mechanical switch action
The sampling of amount, carries out data process and signal analysis in single-chip microcomputer microprocessing systems.Software programming uses modularized design side
Method, mastery routine works in a looping fashion, complete initialize and time data process, altitude information process, pressure data process and
Calling of the subprograms such as display.
Compared with prior art, the feature of parachute autoamtic-opening device security performance tester of the present utility model is:
It is possible not only to provide parachute autoamtic-opening device security performance tester calibration operation new metrological standard unit, and
Commercial production can also be widely used in and daily life requires time for or the aspect of elevation carrection, particularly at space industry,
It is used for solving civilian parachute and uses the key issue in safety test, civil aviation safety and air crash personal safety are protected
Barrier is of great importance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
With embodiment, utility model is described in detail below in conjunction with the accompanying drawings.
As it is shown in figure 1, the parachute autoamtic-opening device security performance tester that the utility model proposes, including monolithic
Machine, in described single-chip microcomputer, the corresponding reset circuit of tool, crystal oscillating circuit and A/D change sample circuit, described A/D conversion sampling
Circuit connects a pressure transducer, and described single-chip microcomputer is also associated with latch, and described latch has memory expansion
Circuit；Further, described single-chip microcomputer also has 8255 off-chip Interface Expanding circuit, on described 8255 off-chip Interface Expanding circuit
It is provided with LED digital display screen and keyboard scan part, and on single-chip microcomputer, connection has the power module for providing power supply.
Parachute autoamtic-opening device security performance tester of the present utility model is by single-chip microcomputer and related circuit, pressure
Sensor and AD conversion chip composition sample circuit, 8255 off-chip Interface Expanding circuit, LED charactron, keyboard scan part,
Power modules etc. form.Its each functional realiey is as follows:
Measure of time function is by being respectively mounted a pair optocoupler audion by start and stop machinery travel switch, by machinery
Switch motion controls the break-make of optocoupler audion, thus is converted to two signals of telecommunication of parachute-opening start-stop.In single-chip microcomputer
By software programming, the time interval of start-stop signal being calculated, short time interval delay product shows the most at last.
Height measurement function is, by electret transducer, the sound control signal of high degree of mechanical action is converted to the signal of telecommunication.Warp
Crossing scm software programming, whether decision height controls switch motion in real time, and automatic Memory.In addition will memory moment parachute-opening
The height above sea level angle value at device place is changed by using high-precision pressure sensor to complete A/D, carries out function analytical Calculation in CPU
Draw, finally by LED, elevation information is shown.
Pressure measuring function is by using high-precision pressure sensor by atmosphere pressure signal through amplifying and zeroing
Signal conditioning circuit passes to A/D converter after processing, and A/ D transducer is converted into binary digit the analogue signal of input
Amount, completes single-chip microcomputer and works the sampling processing of analogue signal, in CPU, calculate corresponding force value by software programming,
Finally by LED, pressure information is shown.
Above-described embodiment only have expressed several embodiments of the present utility model, and it describes more concrete and detailed, but also
Can not be therefore understands that be the restriction to this utility model the scope of the claims.It should be pointed out that, for the ordinary skill people of this area
For Yuan, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into this reality
With novel protection domain.Therefore, this utility model patent and protection domain should be as the criterion with appended claims.
Claims (1)
1. a parachute autoamtic-opening device security performance tester, it is characterised in that: include single-chip microcomputer, in described single-chip microcomputer
The corresponding reset circuit of tool, crystal oscillating circuit and A/D change sample circuit, and described A/D conversion sample circuit connects a pressure
Force transducer, described single-chip microcomputer is also associated with latch, described latch has memory expansion circuit；Further, described
Also having 8255 off-chip Interface Expanding circuit on single-chip microcomputer, described 8255 off-chip Interface Expanding circuit are provided with LED digital-scroll technique
Screen and keyboard scan part, and on single-chip microcomputer, connection has the power module for providing power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620465383.4U CN205679698U (en) | 2016-05-20 | 2016-05-20 | A kind of parachute autoamtic-opening device security performance tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620465383.4U CN205679698U (en) | 2016-05-20 | 2016-05-20 | A kind of parachute autoamtic-opening device security performance tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205679698U true CN205679698U (en) | 2016-11-09 |
Family
ID=57437162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620465383.4U Expired - Fee Related CN205679698U (en) | 2016-05-20 | 2016-05-20 | A kind of parachute autoamtic-opening device security performance tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205679698U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021082872A1 (en) * | 2019-10-30 | 2021-05-06 | 航宇救生装备有限公司 | Miniaturized circuit for controlling reliable parachute opening of survival parachute and performing online detection |
| CN112817222A (en) * | 2020-12-25 | 2021-05-18 | 武汉航空仪表有限责任公司 | Device and method for detecting action time of automatic unlocking device |
-
2016
- 2016-05-20 CN CN201620465383.4U patent/CN205679698U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021082872A1 (en) * | 2019-10-30 | 2021-05-06 | 航宇救生装备有限公司 | Miniaturized circuit for controlling reliable parachute opening of survival parachute and performing online detection |
| CN112817222A (en) * | 2020-12-25 | 2021-05-18 | 武汉航空仪表有限责任公司 | Device and method for detecting action time of automatic unlocking device |
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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 |
Granted publication date: 20161109 Termination date: 20170520 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |