CN113050200A

CN113050200A - Performance detection method of island reef oceanographic marine environment data acquisition device

Info

Publication number: CN113050200A
Application number: CN202110233740.XA
Authority: CN
Inventors: 左雷; 察豪; 汤华涛; 李静威; 于萍; 李洪科; 张春雷
Original assignee: Naval University of Engineering PLA
Current assignee: Naval University of Engineering PLA
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2021-06-29
Anticipated expiration: 2041-03-03
Also published as: CN113050200B

Abstract

The invention provides a performance detection method of an island ocean weather marine environment data acquisition device, belonging to the field of ocean weather data acquisition, wherein the performance detection method comprises a strength detection method of a truss support, namely, the strength of the truss support to be detected is detected according to a strength standard table; the method for acquiring the strength standard table comprises the following steps: constructing a truss system model; applying the working condition parameters to a truss system model to obtain the strength resistance parameters of the standard truss support under different working conditions; different weights are applied to the top or the secondary top of the truss support to replace working condition parameters, so that the strength parameters under different weights and different working conditions are equal; establishing a strength standard table based on corresponding weight qualities under different working conditions; according to the invention, the performance detection in all aspects is carried out according to the severe environment faced by the island marine meteorological environment data acquisition device, and the operation stability of the island marine meteorological environment data acquisition device can be estimated.

Description

Performance detection method of island reef oceanographic marine environment data acquisition device

Technical Field

The invention belongs to the field of marine meteorological data acquisition, and particularly relates to a performance detection method of an island reef marine meteorological marine environment data acquisition device.

Background

In order to measure the sea surface atmospheric profile, the meteorological environment data integrated acquisition device is erected, on one hand, the height difference between a sensor and the sea surface is required to be between 3m and 15m, and the condition actually requires that the erection site can be selected only on a beach; on the other hand, the sensor is required to be small enough to be far away from the offshore sea boundary and even extend to a position above the surface of the seawater, so that the infrared sensor can irradiate the surface of the seawater, and the meteorological reference measured by the meteorological sensor is not influenced by the land environment. The tradition is as meteorological environment data integrated collection system's unable adjustment base with bracing piece structure, however, because the position in the beach bank juncture several meters generally is geological conditions such as dykes and dams, rock, indiscriminate stone beach and sand, consequently, the bracing piece is fixed more difficult, and far away from the sea water, especially under the condition of moving back to tide, and infrared sensor can't measure the sea surface temperature.

In addition, the marine hydrology detection equipment needs the support to provide a support platform for the marine hydrology detection equipment, and in order to meet the environmental requirements of marine regions, wind load resistance and corrosion resistance are the primary concerns. Frequent typhoons in ocean areas can produce great influence to the support platform, and the operational environment of support is considered, and the maintenance of being convenient for and change top connector also need be considered. Meanwhile, as the supporting platform is used for carrying out marine environment test and faces a severe climate environment for a long time, mould detection and rain prevention are performance detection categories of marine hydrology detection equipment.

Therefore, not only needs to provide the supporting platform matched with the marine hydrology detection equipment, but also needs to perform performance detection on the supporting platform and the related marine hydrology detection equipment.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a performance detection method of an island ocean weather and ocean environment data acquisition device, and aims to solve the problem that the performance stability of a supporting platform cannot be predicted because the performance of the supporting platform matched with the existing ocean hydrology detection equipment is not detected.

In order to achieve the purpose, the invention provides a performance detection method of an island ocean weather marine environment data acquisition device, the performance detection method comprises a truss support strength detection method, and the truss support strength detection method comprises the following steps: carrying out strength detection on the truss support to be detected according to a strength standard table;

the method for acquiring the strength standard table comprises the following steps:

(1) the method comprises the following steps of (1) enabling a standard truss support to be equivalent to a linear beam unit, enabling a fixed base to serve as an entity unit, and establishing an initial truss system model;

(2) in the initial truss system model, a lower base is divided by tetrahedral meshes, and the rest structure is divided by hexahedral structural meshes;

(3) setting constraint conditions and binding conditions; the constraint condition is that full constraint is applied to the joint of the fixed base and the pile foundation; the binding condition is that the contact position of the standard truss support and the fixed base is materialized and then bound;

(4) adjusting the weight of a truss system in the initial truss system model, and applying vertical downward gravity acceleration to construct a final truss system model;

(5) applying the working condition parameters to a final truss system model to obtain the strength resistance parameters of the standard truss support under different working conditions; the working condition parameters are uniformly distributed linear loads in different directions under the action of different wind power of the ocean;

(6) removing the application of working condition parameters in the final truss system model;

(7) applying different weights to the top or the secondary top of the truss support of the final truss system model to ensure that the strength parameters under different weights and different working conditions are equal;

(8) establishing a strength standard table based on corresponding weight qualities under different working conditions;

the island ocean meteorological environment data acquisition device comprises a truss system, a data acquisition device and a fixing unit; the truss system comprises a truss support, a top joint and a fixed base; the truss support is made of a carbon fiber material; the fixed base is fixed on the pile foundation and comprises a bottom plate, a lower base and an upper base which are connected in sequence; the lower base is a triangular round tube base.

Preferably, the data acquisition device comprises a battery, a Beidou instrument and a meteorological instrument;

the battery is placed in the battery box and positioned on the side surface of the fixing unit; the Beidou instrument is positioned right above the fixed unit;

the battery box comprises a box body and an upper cover; the upper end surface of the box body is provided with a sealing groove and a box handle; after the battery box is used for placing batteries, a sealing ring is placed in the sealing groove, and the box body and the upper cover are fixed by bolts;

the top end of the truss support, which extends to the sea surface, is provided with a connecting plate, two meteorological instrument sleeves are arranged below the connecting plate, and the included angles between the meteorological instrument sleeves and the connecting plate are respectively 30 degrees and 150 degrees; a weather instrument is arranged above the connecting plate.

The performance detection method also comprises a waterproof detection method of the battery box, and the method comprises the following steps: the battery box is immersed in water for 60min and then taken out, and whether water exists in the battery box or not is observed.

The performance detection also comprises environment adaptability detection, and the environment adaptability detection comprises temperature detection, alternating damp-heat detection, rain detection, wind environment detection, vibration detection, salt fog detection and mould detection.

Preferably, the temperature detection includes high temperature detection and low temperature detection;

wherein the high-temperature detection comprises high-temperature working temperature detection and high-temperature storage temperature detection; the high-temperature working temperature is 55 ℃, the detection time is that after heat preservation is carried out for 2 hours, the power is switched on for 1 hour; the high-temperature storage temperature is 65 ℃, and the detection time is 48 hours of heat preservation;

the low-temperature detection comprises low-temperature working temperature detection and low-temperature storage temperature detection; the low-temperature working temperature is-20 ℃, and the detection time is that after heat preservation is carried out for 2 hours, the power is switched on for 1 hour; the low-temperature storage temperature is-40 ℃, and the detection time is 24 hours of heat preservation.

Preferably, the detection conditions for the alternating humid heat detection are: the temperature in the high-temperature and high-humidity stage is 60 ℃, and the relative humidity is 95%; the temperature in the low-temperature and high-humidity stage is 30 ℃, and the relative humidity is 95%; the whole detection time is 5 periods, and each period is 24 h.

Preferably, the rain detection conditions are: the diameter of the raindrops is 0.5 mm-4.5 mm; the rainfall intensity is 15cm/h, the angle is 45 degrees from the horizontal to the periphery, and the detection time per angle is 30 min.

Preferably, the detection conditions of the salt spray detection are as follows: the temperature is 35 +/-2 ℃; the salt solution is prepared by dissolving 50 +/-1 g of chemical sodium chloride in 1 liter of distilled water, and the pH value of the solution is kept between 6.5 and 7.2 at 35 ℃; the salt spray sedimentation rate is 1-2 ml/80cm²H; the detection time was 48 hours of continuous spraying.

Preferably, the temperature for detecting the mould is 30 +/-1 ℃ and the relative humidity is 95% +/-5%; the strains to be detected comprise Aspergillus niger, Chaetomium globosum, Aspergillus flavus, Aspergillus versicolor and Penicillium funiculosum.

Generally, compared with the prior art, the above technical solution conceived by the present invention has the following beneficial effects:

the invention provides an island marine meteorological environment data acquisition device which comprises a truss system, a data acquisition device and a fixing unit, wherein the truss system is connected with the data acquisition device through a connecting rod; the truss system comprises a truss support, a top joint and a fixed base; the truss support is made of a carbon fiber material; the fixed base is fixed on the pile foundation and comprises a bottom plate, a lower base and an upper base which are connected in sequence; the lower base is a triangular round tube base. The device can be used for installing the island ocean meteorological environment data acquisition device in different modes according to different working conditions, and is beneficial to maintaining and replacing top connectors and other operations. Meanwhile, performance detection methods are correspondingly provided, and comprise an anti-wind load strength detection method, environmental adaptability detection and battery waterproof detection; the environment adaptability detection method comprises temperature detection, alternating damp-heat detection, rain detection, wind environment detection, vibration detection, salt spray detection and mould detection. According to the severe environment faced by the island and reef marine meteorological environment data acquisition device, the performance detection of all aspects is carried out, and the operation stability of the island and reef marine meteorological environment data acquisition device can be estimated.

Firstly, establishing a truss system model in a three-dimensional finite element calculation software ABAQUS6.14 model, and acquiring strength resistance parameters of a standard truss support under different wind power actions in the model; then applying different weights on the top or the secondary top of the standard truss support to ensure that the strength resistance parameters under different weights and different working conditions are equal, and further establishing a strength standard table; the strength standard meter can be used for measuring the strength of the existing truss support to be detected, the problem that the simulation of wind acting force is difficult is solved, and the wind load resistance of the truss support to be detected can be accurately evaluated.

The rain detection provided by the invention is executed according to the GJB150.8 regulation, and the mould detection is executed according to the GJB150.10 regulation; the salt spray detection is executed according to the GJB150.11 rule, so that the detection method provided by the invention has more theoretical support and more accurate detection result.

Drawings

FIG. 1 is a schematic structural diagram of an island marine meteorological environment data acquisition device provided by an embodiment of the invention;

fig. 2 is a flowchart of an acquisition method of the intensity standard table according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Before describing the detection method of the truss type island marine meteorological environment data acquisition device, the following basic definitions and devices related to the invention are described.

Introduction to rain detection as specified by GJB 150.8:

the rain attack of the GJB150.8 active wind source rain detection is as follows: the surfaces of the trusses are eroded through rain collision;

the effects of rain retention or infiltration include: causing strength reduction and swelling of the dictation material; the possibility of corrosion is increased, and corrosion and even mold growth are caused; increasing the weight of the truss; making electrical and electronic equipment incapable of working properly or unsafe; electrical equipment failure; icing within the truss system can cause slow degradation and functional failure due to expansion or cracking of components; changing the heat exchange; the propellant combustion slows.

A general GJB150.8 contains three detection programs: procedure 1-rain and rain blowing; procedure 2-reinforcement; procedure 3-drip water;

the procedure 1 is applicable to outdoor equipment without rain protection and rain blowing measures, the accompanying wind speed can be changed from almost no wind to extremely high wind speed, and the procedure 2 should be considered for equipment which cannot be fully detected by the procedure due to the size of the equipment;

the program 2 is suitable for detecting large-scale equipment, can not naturally fall when rainfall and rain blowing equipment cannot be used, but can improve the feasibility of the waterproofness of the equipment;

procedure 3 is applicable to equipment that is water resistant, but may be exposed to dripping due to surface leaks, with two variables: the equipment encounters dripping (typically condensation); the equipment is exposed to severe condensation or upper surface leaks.

Detection conditions are as follows:

the rainfall intensity can be tailored according to the expected use place and duration, and the rainfall intensity of 1.7mm/min is recommended; raindrop size: procedure 1 and procedure 2, typically raindrops with diameters in the range of 0.5mm to 4.5 mm; program 3, adopting a scattering pipe, and sleeving a polyethylene sleeve outside the scattering pipe to increase the small raindrops to the maximum;

wind speed: during a storm, a wind speed of 18m/s is usually accompanied, which is recommended;

exposed surfaces of the equipment: all surfaces that fall or blow rain should be exposed to the test conditions, and the device should be rotated during testing so that all surfaces that are susceptible to damage are exposed to the test conditions;

presetting a temperature: for a sealed device, the temperature of the device should be heated to 10 ℃ above the water temperature at the beginning of each exposure cycle to create a negative pressure inside the device to better verify the water tightness of the device.

Introduction to the mold detection specified by GJB 150.10:

if the sample is only subjected to appearance inspection, the detection period is 28 days; if the sample needs to be subjected to the performance test, the detection period is 84 days;

the detection is carried out under the condition of temperature and humidity alternating circulation, the circulation is carried out once every 24h, the temperature is kept at 30 +/-1 ℃ for the first 20h, and the relative humidity is 95 +/-5%. In the subsequent 4h, the temperature is kept at 25 +/-1 ℃, the relative humidity of 95% is kept for at least 2h, and the time for temperature and humidity change is at most 2 h. The temperature is kept between 24 ℃ and 31 ℃ during the change, and the relative humidity is not less than 90%;

detecting strains: aspergillus niger, Aspergillus flavus, Aspergillus versicolor, Penicillium funiculosum and Chaetomium globosum.

Introduction to salt spray detection as specified by GJB 150.11:

detection conditions are as follows:

the salt solution is prepared from chemical pure sodium chloride and distilled water or deionized water with resistivity not lower than 5000 omega cm.

The temperature of the salt solution prepared each time is 35 ℃, and the pH value of the collection liquid after spraying is 6.5-7.2.

Detecting pure collectors at any position in the effective space, and continuously collecting spray for at least 16h, with average spray time of 80cm per hour²The settling amount of the salt spray is 1ml to 2ml in the horizontal collecting area.

The test time for the sample subjected to the continuous spray was at least 48 h.

4. Truss-like island reef marine meteorological environment data acquisition device:

as shown in fig. 1, the island ocean meteorological environment data acquisition device comprises a truss system, a data acquisition device and a fixing unit; the truss system comprises a truss support, a top joint and a fixed base; the truss support is made of a carbon fiber material; the truss support comprises a main beam and a support rod; the fixed base comprises a bottom plate, a lower base and an upper base which are connected in sequence, and the bottom plate is fixed on the fixed unit; the lower base is movably connected with the bottom plate.

A rotatable rotating shaft is arranged on one side of the bottom plate of the fixed lower base; the lower base is a triangular round tube base, one round tube is sleeved with the rotating shaft on the bottom plate, and the rest round tubes are movably connected with the bottom plate; a fixed pin is arranged opposite to the rotating shaft; a bolt is arranged between the two end points of the rotating shaft and the connecting line of the fixing pin; hanging lugs are arranged at two ends of the rotating shaft.

The data acquisition device comprises a battery, a Beidou instrument and a meteorological instrument;

the battery is positioned on the side surface of the fixing unit; the Beidou instrument is positioned right above the fixed unit;

the top end of the truss support, which extends to the sea surface, is provided with a connecting plate, two meteorological instrument sleeves are arranged below the connecting plate, and the included angles between the meteorological instrument sleeves and the connecting plate are respectively 30 degrees and 150 degrees; the meteorological instrument is placed above the connecting plate. The specific equipment composition table is shown in table 1.

TABLE 1

Examples

1. Strength detection of truss support

And after the truss support is processed, performing an indispensable link in the strength test of the truss support. Since it is difficult to simulate the wind forces and since the most dangerous parts of the truss support are usually generated in the root area under the influence of the wind, it is possible to convert the application of a weight on the top of the truss to achieve an equivalent effect instead of the wind action.

As shown in fig. 2, the present embodiment may use a large three-dimensional finite element calculation software ABAQUS6.14 to obtain the strength standard table, which includes the following specific steps:

(1) the method comprises the following steps of (1) enabling a standard truss support to be equivalent to a linear body, enabling a fixed base to serve as an entity unit, and establishing an initial truss system model;

(2) in the initial truss system model, a standard truss support is used as a beam unit, a triangular circular tube is divided by tetrahedral meshes, and the rest structure is divided by hexahedral structural meshes;

(7) in the final truss system model, different weights are applied to the top or the secondary top of the standard truss support according to the strength resistance parameters under different working conditions, so that the strength resistance parameters under different weights and different working conditions are equal;

(8) and establishing a strength standard table based on the corresponding weight quality under different working conditions.

The strength standard table can be used for testing the strength of the existing truss support, and whether the existing truss meets the requirement of normal work or not is detected.

In this embodiment, the obtained intensity detection standard table is shown in table 2;

TABLE 2

The existing truss support is detected on site as follows:

respectively applying 5Kg of load on the top of the truss support, applying 10Kg of load on the top of the truss support and hanging 75Kg of load on the secondary top of the truss support, and respectively recording the vertical displacement of the top of the truss support.

When a load of 10Kg is applied to the top of the truss support in a static state, recording the displacement and the axial displacement of the fixed base;

and recording the displacement and the axial displacement of the fixed base under the working state of 10-grade wind.

The result shows that the existing truss support meets the actual requirement and is qualified in detection.

2. Battery box waterproof detection

In the embodiment, the inner dimension of the battery box is set to be 392mm multiplied by 192mm multiplied by 290mm, the outer dimension is set to be 460mm multiplied by 200mm multiplied by 310mm, the precision requirement is plus or minus 2mm, the battery box is connected with the cover plate by using M8 stainless steel bolts, and the battery box is fixed with the cement base by using M8 expansion bolts.

Wherein, the material of battery case can select glass fiber. A power supply slot is arranged on one side of the battery box, so that a power supply can be provided for the outside on the premise of not influencing the air tightness; and the battery box cover is provided with a special rubber pressing strip and is connected through a stainless steel bolt; the bottom of the battery box can be fixed on the cement foundation pile through expansion bolts.

The method for testing the waterproof performance of the battery box comprises the following steps: after the battery box cover and the rubber pressing strips are sealed, the whole battery box is immersed in water for 60min and then taken out, and the battery box cover is opened to check whether water exists or not after water on the outer surface of the battery box is wiped dry. The battery box testing result that this embodiment provided is for there is not the watermark, proves waterproof qualified.

3. Environmental suitability detection of truss type island ocean meteorological environment data acquisition device

The environmental suitability detection comprises: temperature detection, alternating damp-heat detection, rain detection, wind environment detection, vibration detection and salt spray mold detection;

wherein the temperature range of the temperature detection is (-20 ℃ and +55 ℃);

the parameters of the alternating damp heat detection are as follows: the temperature in the high-temperature and high-humidity stage is 60 ℃, and the relative humidity is 95%; the temperature in the low-temperature and high-humidity stage is 30 ℃, and the relative humidity is 95%; the detection time is 5 periods, and each period is 24 h;

the rain detection is the capability of preventing rainwater infiltration and can bear the rain detection of an active wind source; the detection condition is the rain detection condition specified by GJB 150.8;

the detection bearable wind speed is less than or equal to 14m/s in the wind environment detection;

the parameters in the vibration detection are: the vibration frequency of the vertical axis is 5 Hz-200 Hz, and the total root mean square value (shaking force) is 1.98 g; the vibration frequency of the transverse shaft is 5 Hz-200 Hz, and the total root mean square value (shaking force) is 2 g; the vibration frequency of the longitudinal axis is 5 Hz-200 Hz, and the total root mean square value (shaking force) is 2.54 g;

the detection of salt spray mold adopts mold and salt spray detection conditions specified by GJB150.10 and GJB 150.11.

Because the length of the truss support reaches 11.2 meters, the high-low temperature, damp-heat, rain, salt spray and mold detection is mainly carried out on a wind-warm-wet pressure sensor, a sea-air TRU-WDJ200 infrared sensor, a Beidou second-generation product H/HG1, a solar power supply system, a battery box and a truss support sample, and the immersion detection is carried out when the battery box is erected at a lower position.

The high and low temperature detection is as follows:

in the embodiment, a high-low temperature rapid temperature change detection box with the model of TE-120-70-WH is adopted to carry out high-temperature detection and low-temperature detection on the truss type island oceanic meteorological environment data acquisition device;

wherein the high-temperature working temperature of the high-temperature detection is 55 ℃, and the detection time is that after the heat is preserved for 2 hours, the high-temperature detection is electrified and works for 1 hour; the high-temperature storage temperature is 65 ℃, and the detection time is 48 hours of heat preservation;

the detection result of this embodiment is: the appearance detection is complete, and the power-on detection working data is normal.

Wherein the low-temperature working temperature of the low-temperature detection is-20 ℃, and the detection time is that after 2 hours of heat preservation, the power is switched on for 1 hour; the low-temperature storage temperature is-40 ℃, and the detection time is 24 hours;

The damp-heat detection is as follows:

in the embodiment, a walk-in type damp-heat detection box with the model number of TW-2000-70-WH-A is adopted to carry out damp-heat detection on the truss type island ocean meteorological environment data acquisition device;

the detection conditions of damp and hot detection are as follows: the temperature in the high-temperature and high-humidity stage is 60 ℃, and the relative humidity is 95%; the temperature in the low-temperature and high-humidity stage is 30 ℃, and the relative humidity is 95%; the whole detection time is 5 periods, and each period is 24 h;

the result of the damp-heat test is: the appearance detection is complete, and the power-on detection working data is normal.

The rain detection is as follows:

in the embodiment, a rain laboratory with a wind source with the model number of CEEC-LY-1000 is adopted;

the detection conditions are as follows: the diameter of the raindrops is 0.5 mm-4.5 mm; the rainfall intensity is 15cm/h, the angle is 45 degrees from the horizontal to the periphery, and the detection time per angle is 30 min;

the detection result is as follows: the appearance detection is complete, and the power-on detection working data is normal.

The list of instruments performing the rain test is shown in table 3;

TABLE 3

The conditions and results of the rain test are shown in tables 4 to 11 below;

TABLE 4

TABLE 5

TABLE 6

TABLE 7

TABLE 8

TABLE 9

Watch 10

TABLE 11

The salt spray detection is as follows:

the salt spray detection adopts detection equipment which is named as a salt spray corrosion detection box and a PH meter; the detection device models are YWX/Q750 and PHB-4. The detection samples are a solar module sample, a battery box, a meteorological frame assembly sample and a fixed base sample; the detection conditions are as follows: the temperature is 35 +/-2 ℃; the salt solution is prepared by dissolving 50 +/-1 g of chemical sodium chloride in 1 liter of distilled water, the pH value of the solution is kept between 6.5 and 7.2 at 35 ℃, and the salt spray sedimentation rate is 1 to 2ml/80cm²H; the detection time is 48 hours of continuous spraying; the detection result shows that the appearance of the sample has no obvious corrosion phenomenon.

The mould detection is as follows:

the name of the detection equipment is GDF-10AGP mould box; the detection samples are a solar module sample, a battery box, a meteorological frame assembly sample, a truss support sample and a fixed base sample; the detection result is as follows: the mould colonies on the surface of the material are loosely distributed, the mould growth grade is 2 grade, and the detection result is qualified.

Specific mold detection data are as follows:

the detection period is 28 days;

the detection temperature and humidity are: the detection temperature is 30 ℃ plus or minus 1 ℃, and the detection is carried out under the constant condition that the relative humidity is 95 percent plus or minus 5 percent;

the strains to be detected are as follows: aspergillus niger, Chaetomium globosum, Aspergillus flavus, Aspergillus versicolor and Penicillium funiculosum;

the detection requirements are as follows:

immediately checking and detecting the growth condition of the mold on the surface of the hanging sample after the detection is finished, mainly visually observing the mold, and observing the mold by using a magnifying glass if necessary, wherein the degree of the mold growth is less than or equal to grade 2, and the mold growth is qualified;

the mildew conditions and the mildew grades on the surfaces of the samples are shown in Table 12;

TABLE 12

The detection process comprises the following steps:

placing the sample in a salt spray corrosion detection box, starting the machine, and pretreating the sample for 4 hours when the temperature in the salt spray corrosion detection box reaches 30 ℃ and the relative humidity is 95%;

after the pretreatment is finished, closing the salt spray corrosion detection box, and spraying spore suspension on the surface of the sample;

starting a salt spray corrosion detection box, and adjusting the temperature and humidity to be 30 ℃ and 95% RH;

entering a detection state when the temperature is 30 ℃ and the relative humidity is 95%;

after about 8 days, observing the area of the contrast mildew, wherein the area is more than 90 percent, and then, the detection is effective;

after the 28-day detection, the sample was taken out for rating determination and the mold was slightly grown.

And (4) analyzing results: the mold colonies on the surface of the sample are loosely distributed, the rating of the mold growth is 2, and the specific sample rating is shown in Table 13.

Watch 13

Name (R)	Specification and model	Number of	Detection grade
				Battery box template		1	Stage 2
Truss template		1	Stage 2
				Solar sample plate		1	Stage 2
Mounting plate		1	Stage 2
				Screw nail	A4-70		Stage 2

Compared with the prior art, the invention has the following advantages:

the invention provides an island marine meteorological environment data acquisition device which comprises a truss system, a data acquisition device and a fixing unit, wherein the truss system is connected with the data acquisition device through a connecting rod; the truss system comprises a truss support, a top joint and a fixed base; the truss support is made of a carbon fiber material; the fixed base is fixed on the pile foundation and comprises a bottom plate, a lower base and an upper base which are connected in sequence; the lower base is a triangular round tube base. The device can be used for installing the island ocean meteorological environment data acquisition device in different modes according to different working conditions, and is beneficial to maintaining and replacing top connectors and other operations. Meanwhile, performance detection methods are correspondingly provided, and comprise an anti-wind load strength detection method, environmental adaptability detection and battery waterproof detection; the environment adaptability detection method comprises temperature detection, alternating damp-heat detection, rain detection, wind environment detection, vibration detection, salt spray detection and mould detection. According to the severe environment faced by the island and reef marine meteorological environment data acquisition device, performance detection in all aspects is carried out, and further the operation stability of the island and reef marine meteorological environment data acquisition device can be estimated.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A performance detection method of an island reef marine meteorological marine environment data acquisition device is characterized by comprising a truss support strength detection method, wherein the truss support strength detection method comprises the following steps: carrying out strength detection on the truss support to be detected according to a strength standard table;

the method for acquiring the intensity standard table comprises the following steps:

the standard truss support is equivalent to a linear beam unit, and the fixed base is used as an entity unit;

dividing the lower base by using a tetrahedral mesh, and dividing the rest structure by using a hexahedral mesh;

applying full constraint at the joint of the fixed base and the pile foundation, and binding the standard truss support and the contact part of the fixed base after materialization;

adjusting the weight of the truss system, and applying vertical downward gravity acceleration to construct a truss system model;

applying the working condition parameters to a truss system model to obtain the strength resistance parameters of the standard truss support under different working conditions; the working condition parameters are uniformly distributed linear loads in different directions under the action of different wind power of the ocean;

different weights are applied to the top or the secondary top of the truss support to replace working condition parameters, so that the strength parameters under different weights and different working conditions are equal;

establishing a strength standard table based on corresponding weight qualities under different working conditions;

2. The performance testing method of claim 1, further comprising environmental suitability testing, wherein the environmental suitability testing comprises temperature testing, alternating damp heat testing, rain testing, wind environment testing, vibration testing, salt spray testing, and mold testing.

3. The performance testing method of claim 2, wherein the temperature test includes a high temperature test and a low temperature test;

4. The performance testing method of claim 2, wherein the testing conditions of the alternating moist heat testing are as follows: the temperature in the high-temperature and high-humidity stage is 60 ℃, and the relative humidity is 95%; the temperature in the low-temperature and high-humidity stage is 30 ℃, and the relative humidity is 95%; the whole detection time is 5 periods, and each period is 24 h.

5. The performance detection method according to claim 2, wherein the detection conditions for the rain detection are: the diameter of the raindrops is 0.5 mm-4.5 mm; the rainfall intensity is 15cm/h, the angle is 45 degrees from the horizontal to the periphery, and the detection time per angle is 30 min.

6. The performance testing method of claim 2, wherein the testing conditions of the salt spray testing are as follows: the temperature is 35 +/-2 ℃; the salt solution is prepared by dissolving 50 +/-1 g of chemical sodium chloride in 1 liter of distilled water, and the pH value of the solution is kept between 6.5 and 7.2 at 35 ℃; the salt spray sedimentation rate is 1-2 ml/80cm²H; the detection time was 48 hours of continuous spraying.

7. The method of claim 2, wherein the temperature of the mold detection is 30 ℃ ± 1 ℃ and the relative humidity is 95% ± 5%; the strains to be detected comprise Aspergillus niger, Chaetomium globosum, Aspergillus flavus, Aspergillus versicolor and Penicillium funiculosum.

8. The performance testing method of any one of claims 1 to 7, wherein the data acquisition device comprises a battery, a Beidou instrument and a weather meter;

9. The performance detection method of claim 8, further comprising a battery box waterproof detection method, comprising: the battery box is immersed in water for 60min and then taken out, and whether water exists in the battery box or not is observed.