CN112052582A - Parachute quality condition evaluation system - Google Patents
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- CN112052582A CN112052582A CN202010898765.7A CN202010898765A CN112052582A CN 112052582 A CN112052582 A CN 112052582A CN 202010898765 A CN202010898765 A CN 202010898765A CN 112052582 A CN112052582 A CN 112052582A
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- 238000011156 evaluation Methods 0.000 title claims abstract description 26
- 238000005070 sampling Methods 0.000 claims abstract description 78
- 238000012545 processing Methods 0.000 claims abstract description 67
- 230000032683 aging Effects 0.000 claims abstract description 47
- 238000005286 illumination Methods 0.000 claims description 22
- 239000000428 dust Substances 0.000 claims description 18
- 230000001186 cumulative effect Effects 0.000 claims description 15
- 238000005056 compaction Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 238000013441 quality evaluation Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/04—Ageing analysis or optimisation against ageing
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Abstract
The invention discloses a parachute quality condition evaluation system, which comprises a temperature sensor, a humidity sensor, an ultraviolet sensor, an air quality sensor, a timer and a data processing module, wherein the temperature sensor is connected with the humidity sensor; the sampling time interval of each sensor is set by the timer, when each sampling time node arrives, each sensor collects each data value of the environment where the parachute is stored, each data value is transmitted to the data processing module, the data processing module evaluates the aging degree and the hardening degree of the parachute according to the received data value, and therefore evaluation of the quality condition of the parachute is achieved.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to a parachute quality condition evaluation system.
Background
Most of the existing unmanned aerial vehicles are equipped with parachutes, so that the parachutes can be normally used under emergency, the parachutes need to be regularly and manually checked in the daily maintenance process, and whether the parachutes need to be overhauled and maintained is judged by manually recording data such as delivery time and use records of the parachutes.
However, the above method adopts manual recording and judgment, the recording process is complicated and labor-consuming, and the conditions of missed detection and missed recording exist.
Disclosure of Invention
The embodiment of the invention provides a parachute quality condition evaluation system which can evaluate the quality condition of a parachute according to the environment of the parachute, save labor and solve the problems of missed detection and missed recording.
An embodiment of the present invention provides a parachute quality condition evaluation system, including: the device comprises a temperature sensor, a humidity sensor, an ultraviolet sensor, an air quality sensor, a timer and a data processing module; the temperature sensor, the humidity sensor, the ultraviolet sensor, the air quality sensor and the timer are all connected with the data processing module;
the temperature sensor is used for collecting a temperature value of the environment where the parachute is located and transmitting the temperature value to the data processing module during sampling each time;
the humidity sensor is used for collecting a humidity value of the environment where the parachute is located and transmitting the humidity value to the data processing module during sampling each time;
the ultraviolet sensor is used for collecting the ultraviolet index of the environment where the parachute is located and transmitting the ultraviolet index to the data processing module during sampling each time;
the air quality sensor is used for collecting the pH value and the salinity of the environment where the parachute is located and transmitting the pH value and the salinity to the data processing module during sampling each time;
the timer is used for setting sampling time intervals of the sensors;
the data processing module is used for evaluating the hardening degree of the parachute during each sampling according to the sampling time interval, the temperature value and the humidity value of each sampling; and evaluating the aging degree of the parachute during each sampling according to the sampling time interval, the pH value, the salinity and the ultraviolet index of each sampling.
Further, the hardening degree of the parachute during each sampling is evaluated according to the sampling time interval, the temperature value and the humidity value of each sampling, and specifically:
and evaluating the hardening degree of the parachute during each sampling according to the sampling time interval, the temperature value, the humidity value, the pH value and the salinity of each sampling.
Further, the dust sensor is also included; the dust transmitter is used for acquiring the dust mass concentration of the environment where the parachute is located and transmitting the dust mass concentration to the data processing module during sampling each time;
the data processing module is also used for evaluating the mildew degree of the parachute during each sampling according to the sampling time interval, the dust mass concentration, the humidity value and the temperature value of each sampling.
Further, the system also comprises an early warning module; the early warning module is connected with the data processing module;
the data processing module is further used for summarizing the hardening degree of the parachute during each sampling to obtain the accumulated hardening degree; summarizing the aging degree of the parachute during each sampling to obtain the accumulated aging degree; summarizing the mildew degree of the parachute during each sampling to obtain the accumulated mildew degree; judging whether the accumulated hardening degree, the accumulated aging degree and the accumulated mildewing degree exceed the corresponding preset upper limit; and if so, controlling the early warning module to carry out early warning.
Further, a motion sensor is also included; the motion sensor is connected with the data processing module;
the motion sensor is used for detecting motion state data of the parachute and transmitting the motion state data to the data processing module;
and the data processing module is also used for judging whether the parachute is used or not according to the motion state data and reducing the preset degree upper limit corresponding to the accumulated aging degree when the parachute is determined to be used.
Further, the device also comprises an illumination sensor; the illumination sensor is connected with the data processing module;
the illumination sensor is used for detecting illumination data of the parachute and transmitting the illumination data to the data processing module;
and the data processing module is also used for judging whether the parachute is used or not according to illumination and reducing the preset upper limit corresponding to the accumulated aging degree when the parachute is determined to be used.
Further, the data processing device is further configured to zero the accumulated hardening degree, the accumulated aging degree, and the accumulated mildewing degree in response to a reset operation of a user, and reduce preset upper limits corresponding to the accumulated hardening degree, the accumulated aging degree, and the accumulated mildewing degree.
The embodiment of the invention has the following beneficial effects:
the embodiment of the invention provides a parachute quality condition evaluation system, which comprises a temperature sensor, a humidity sensor, an ultraviolet sensor, an air quality sensor, a timer and a data processing module, wherein the temperature sensor is connected with the humidity sensor; the sampling time interval of each sensor is set by the timer, when each sampling time node arrives, each sensor collects each data value of the environment where the parachute is stored, each data value is transmitted to the data processing module, the data processing module evaluates the aging degree and the hardening degree of the parachute according to the received data value, and therefore evaluation of the quality condition of the parachute is achieved.
Drawings
Fig. 1 is a system architecture diagram of a parachute quality condition evaluation system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a parachute quality evaluation system, including: the device comprises a temperature sensor, a humidity sensor, an ultraviolet sensor, an air quality sensor, a timer and a data processing module; the temperature sensor, the humidity sensor, the ultraviolet sensor, the air quality sensor and the timer are all connected with the data processing module;
the temperature sensor is used for collecting a temperature value of the environment where the parachute is located and transmitting the temperature value to the data processing module during sampling each time;
the humidity sensor is used for collecting a humidity value of the environment where the parachute is located and transmitting the humidity value to the data processing module during sampling each time;
the ultraviolet sensor is used for collecting the ultraviolet index of the environment where the parachute is located and transmitting the ultraviolet index to the data processing module during sampling each time;
the air quality sensor is used for collecting the pH value and the salinity of the environment where the parachute is located and transmitting the pH value and the salinity to the data processing module during sampling each time;
the timer is used for setting sampling time intervals of the sensors;
the data processing module is used for evaluating the hardening degree of the parachute during each sampling according to the sampling time interval, the temperature value and the humidity value of each sampling; and evaluating the aging degree of the parachute during each sampling according to the sampling time interval, the pH value, the salinity and the ultraviolet index of each sampling.
Various environmental factors can cause certain influence to the quality situation of the parachute of depositing, and the common environmental factor that influences the parachute quality situation has: dust, which contains organic matter and fungi, may cause the umbrella to mildew in an environment with high humidity. The cloth is aged due to excessive temperature, and hardening is easily caused by high temperature and high humidity. Humidity, high humidity environments are prone to mold propagation. Ultraviolet rays, which are too high, can cause the umbrella cloth to be aged. The salinity and alkalinity, acidity and acidity are too high, the umbrella is easy to corrode, and the salinity and alkalinity can cause the umbrella to be hardened. Therefore, the present invention monitors the environmental factors through the sensors to evaluate the quality condition of the parachute.
In a preferred embodiment, the sampling interval of the timer may be set to 1 day, with each sensor collecting data every other day. The air quality sensor comprises a salinity sensor (used for detecting the salinity of water in the air) and a pH value sensor (used for detecting the pH value of water in the control).
And after the data processing module receives the data of each sensor, evaluating the aging degree and the hardening degree for one time.
Specifically, the hardening degree can be calculated by the following formula: x ═ a × b × c × t.
Wherein, X is the hardening degree score, a is the temperature value (centigrade temperature), b is the humidity value, c is the weight coefficient (can be set according to the actual situation), and t is the preset sampling time interval (can be set according to the actual situation). And calculating the hardening degree score, and taking the hardening degree score as an evaluation index for evaluating the hardening degree of the parachute in the current storage environment.
Specifically, the degree of aging can be calculated by the following formula: s ═ a × b | d × e-6| × f × t.
S is an aging degree fraction, a is a temperature value (centigrade temperature), b is a humidity value, d is salinity, e is a PH value corresponding to the pH value, f is an ultraviolet index, and t is a preset sampling time interval (which can be set according to actual conditions). And calculating the aging degree score, and taking the aging degree score as an evaluation index for evaluating the aging degree of the parachute in the current storage environment.
In another embodiment of the present invention, the evaluating the hardening degree of the parachute according to the sampling time interval, the temperature value and the humidity value of each sampling specifically includes: and evaluating the hardening degree of the parachute during each sampling according to the sampling time interval, the temperature value, the humidity value, the pH value and the salinity of each sampling. Specifically, in one embodiment, in order to make the hardening evaluation more accurate, in this embodiment, the degree of hardening is evaluated by adding ph and salinity. Specifically, in this embodiment, the calculation formula of the hardening degree is as follows: x ═ a × b | d × e-6| × c × t. The definitions of the letters are the same as above, and are not repeated.
In a preferred embodiment, a dust sensor is further included; the dust transmitter is used for acquiring the dust mass concentration of the environment where the parachute is located and transmitting the dust mass concentration to the data processing module during sampling each time; the data processing module is also used for evaluating the mildew degree of the parachute during each sampling according to the sampling time interval, the dust mass concentration, the humidity value and the temperature value of each sampling.
In this example, dust monitoring was added to evaluate the degree of parachute mustiness. Specifically, the degree of mildew of the parachute can be calculated by the following formula: g ═ a × b × h × t. Wherein G is the mildewing degree score, h is the dust mass concentration, and the other letter definitions are the same as above.
In a preferred embodiment, the system further comprises an early warning module; the early warning module is connected with the data processing module; the data processing module is further used for summarizing the hardening degree of the parachute during each sampling to obtain the accumulated hardening degree; summarizing the aging degree of the parachute during each sampling to obtain the accumulated aging degree; summarizing the mildew degree of the parachute during each sampling to obtain the accumulated mildew degree; judging whether the accumulated hardening degree, the accumulated aging degree and the accumulated mildewing degree exceed the corresponding preset upper limit; and if so, controlling the early warning module to carry out early warning.
In this embodiment, each time the hardening degree, the aging degree, and the mildewing degree are evaluated, the data processing module correspondingly summarizes the previous hardening degree score, the previous aging degree score, and the previous mildewing degree score to obtain an accumulated hardening degree, an accumulated aging degree, and an accumulated mildewing degree, and further determines whether any score value of the accumulated hardening degree, the accumulated aging degree, and the accumulated mildewing degree exceeds a corresponding preset upper limit, if so, an early warning is performed to prompt a maintenance person to perform maintenance. For example, at one evaluation, the degree of caking was 15, the degree of aging was 20, and the degree of mildew was 30, and before this evaluation, there were two historical evaluation records. One evaluation was recorded as: the hardening degree score is 30, the aging degree score is 40, and the mildewing degree score is 20. One evaluation was recorded as: the hardening degree score is 10, the aging degree score is 20, and the mildewing degree score is 60. Then, in this evaluation, the data processing unit calculates the cumulative hardening degree score so far as: 15+30+10 ═ 55. The cumulative aging score is: 20+40+ 20-80. The cumulative mildew degree score is: 30+20+60 ═ 110. The upper limit of the preset degree corresponding to the accumulated hardening degree is assumed to be 80. The upper limit of the preset degree corresponding to the accumulated aging degree is 90. The upper limit of the preset degree corresponding to the accumulated mildew degree is 100. At this moment, the accumulated mildew degree score exceeds the upper limit of 100, the data processing module can send out an early warning signal to control the early warning module to carry out early warning. Thereby prompting the maintainer to maintain and overhaul the parachute. The early warning module can be an audible and visual alarm device.
In a preferred embodiment, a motion sensor is further included; the motion sensor is connected with the data processing module;
the motion sensor is used for detecting motion state data of the parachute and transmitting the motion state data to the data processing module;
and the data processing module is also used for judging whether the parachute is used or not according to the motion state data and reducing the preset degree upper limit corresponding to the accumulated aging degree when the parachute is determined to be used.
Because the use of parachute can aggravate the ageing degree of parachute, and the more the number of times of use, ageing is more serious, consequently passes through motion sensor monitoring parachute's motion state in this embodiment, above-mentioned motion state data include but not limited to speed, once the speed of parachute has exceeded preset threshold, then can judge this parachute and be being used, reduce the preset degree upper limit that accumulative ageing degree corresponds this moment. Such as a 10 point drop in detection of a single use. As indicated above, the upper limit of the preset degree corresponding to the accumulated aging degree is 90, and when the data processing module detects that the parachute is used, the 90 is reduced to 80.
In another preferred embodiment, further comprising an illumination sensor; the illumination sensor is connected with the data processing module; the illumination sensor is used for detecting illumination data of the parachute and transmitting the illumination data to the data processing module; and the data processing module is also used for judging whether the parachute is used or not according to illumination and reducing the preset upper limit corresponding to the accumulated aging degree when the parachute is determined to be used.
The difference is that whether the parachute is used is judged through the illumination sensor in the embodiment, and the illumination intensity is not too strong because the parachute is accommodated in the parachute bay when not used in an actual scene. Therefore, once the illumination intensity collected by the illumination sensor exceeds the preset value, the parachute cabin is opened, and the parachute is used.
In a preferred embodiment, the data processing apparatus is further configured to zero the cumulative hardening degree, the cumulative aging degree, and the cumulative mildewing degree in response to a reset operation of a user, and reduce a preset upper limit of the cumulative hardening degree, the cumulative aging degree, and the cumulative mildewing degree.
According to the invention, after the maintenance and overhaul of the user, the resetting operation can be carried out, and the data processing device clears the accumulated hardening degree, the accumulated aging degree and the accumulated mildewing degree in response to the resetting operation of the user and reduces the preset upper limit corresponding to the accumulated hardening degree, the preset upper limit corresponding to the accumulated aging degree and the preset upper limit corresponding to the accumulated mildewing degree. In practical cases, a reset button may be provided in the parachute quality condition evaluation system, and when the user presses the reset button, that is, the reset operation is performed on behalf of the user, then the data processing unit starts to perform the corresponding operation.
It should be noted that the parachute quality condition evaluation system of the present invention can be installed in a parachute kit, a parachute bay, and a parachute storage and transportation bay.
By implementing the embodiment of the invention, the quality state of the parachute can be evaluated according to the storage environment of the parachute. Compared with the prior art, manual recording is not needed, manpower is saved, and the problem of data omission is solved.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (7)
1. A parachute quality situation evaluation system, comprising: the device comprises a temperature sensor, a humidity sensor, an ultraviolet sensor, an air quality sensor, a timer and a data processing module; the temperature sensor, the humidity sensor, the ultraviolet sensor, the air quality sensor and the timer are all connected with the data processing module;
the temperature sensor is used for collecting a temperature value of the environment where the parachute is located and transmitting the temperature value to the data processing module during sampling each time;
the humidity sensor is used for collecting a humidity value of the environment where the parachute is located and transmitting the humidity value to the data processing module during sampling each time;
the ultraviolet sensor is used for collecting the ultraviolet index of the environment where the parachute is located and transmitting the ultraviolet index to the data processing module during sampling each time;
the air quality sensor is used for collecting the pH value and the salinity of the environment where the parachute is located and transmitting the pH value and the salinity to the data processing module during sampling each time;
the timer is used for setting sampling time intervals of the sensors;
the data processing module is used for evaluating the hardening degree of the parachute during each sampling according to the sampling time interval, the temperature value and the humidity value of each sampling; and evaluating the aging degree of the parachute during each sampling according to the sampling time interval, the pH value, the salinity and the ultraviolet index of each sampling.
2. The parachute quality condition evaluation system of claim 1, wherein the evaluation of the compaction degree of the parachute at each sampling according to the sampling time interval, the temperature value and the humidity value at each sampling specifically comprises:
and evaluating the hardening degree of the parachute during each sampling according to the sampling time interval, the temperature value, the humidity value, the pH value and the salinity of each sampling.
3. A parachute quality situation assessment system according to claim 1 or 2, further comprising a dust sensor; the dust transmitter is used for acquiring the dust mass concentration of the environment where the parachute is located and transmitting the dust mass concentration to the data processing module during sampling each time;
the data processing module is also used for evaluating the mildew degree of the parachute during each sampling according to the sampling time interval, the dust mass concentration, the humidity value and the temperature value of each sampling.
4. A parachute quality situation assessment system according to claim 3, further comprising an early warning module; the early warning module is connected with the data processing module;
the data processing module is further used for summarizing the hardening degree of the parachute during each sampling to obtain the accumulated hardening degree; summarizing the aging degree of the parachute during each sampling to obtain the accumulated aging degree; summarizing the mildew degree of the parachute during each sampling to obtain the accumulated mildew degree; judging whether the accumulated hardening degree, the accumulated aging degree and the accumulated mildewing degree exceed the corresponding preset upper limit; and if so, controlling the early warning module to carry out early warning.
5. A parachute quality condition evaluation system as set forth in claim 4, further comprising a motion sensor; the motion sensor is connected with the data processing module;
the motion sensor is used for detecting motion state data of the parachute and transmitting the motion state data to the data processing module;
and the data processing module is also used for judging whether the parachute is used or not according to the motion state data and reducing the preset degree upper limit corresponding to the accumulated aging degree when the parachute is determined to be used.
6. A parachute quality condition evaluation system as set forth in claim 4, further comprising an illumination sensor; the illumination sensor is connected with the data processing module;
the illumination sensor is used for detecting illumination data of the parachute and transmitting the illumination data to the data processing module;
and the data processing module is also used for judging whether the parachute is used or not according to illumination and reducing the preset upper limit corresponding to the accumulated aging degree when the parachute is determined to be used.
7. The parachute quality situation assessment system of claim 4, wherein the data processing device is further configured to clear the cumulative hardening degree, the cumulative aging degree, and the cumulative mildewing degree in response to a reset operation by a user, and lower a preset upper limit of the cumulative hardening degree, the cumulative aging degree, and the cumulative mildewing degree.
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| 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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