CN114112665B - Wireless device installation detecting system - Google Patents
Wireless device installation detecting system Download PDFInfo
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- CN114112665B CN114112665B CN202111382095.4A CN202111382095A CN114112665B CN 114112665 B CN114112665 B CN 114112665B CN 202111382095 A CN202111382095 A CN 202111382095A CN 114112665 B CN114112665 B CN 114112665B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention provides a wireless equipment installation detection system, which comprises a force application module, a force measurement module, a distance measurement module and a calculation processing module, wherein the force application module is used for applying pressure to wireless equipment, the force measurement module is used for measuring the pressure of the wireless equipment to the wireless equipment, the distance measurement module is used for measuring the displacement of the wireless equipment under the action of the pressure, the calculation processing module analyzes the data to obtain a fit line of a stability value and a pressure grade, and judges whether the stability value of the wireless equipment under the high pressure grade meets the requirement through the fit line; this system is through applying less power to the wireless device after the installation, thereby obtains the firm value under great power through calculation processing and judges whether the installation meets the requirements, because the pressure to wireless device is less in the testing process, can not cause not hard up to wireless device.
Description
Technical Field
The present disclosure relates generally to the field of equipment detection, and more particularly to a wireless equipment installation detection system.
Background
Many wireless devices installed outdoors are the basis for stable operation of wireless networks, and these wireless devices need to have high wind resistance, and in order to detect their wind resistance, need to detect wireless devices after their installation, confirm their steadiness.
Now, a plurality of installation detection systems have been developed, and through a great deal of search and reference, the existing detection systems are found to be the systems disclosed by the publications KR101550355B1, KR100742263B1, CN112414681B and KR101360348B1, and comprise a workbench with a horizontal top surface and supporting legs arranged at the bottom end of the workbench; the invention simulates the impact test of the screen glass in actual use through various structural changes of the impact detection component, detects the structural strength of the screen glass, simulates various impact states of the screen glass in actual use after the screen glass is installed in the wireless communication equipment through various changes of the strength support component and matching with the change impact of the impact detection component, and further improves the mechanical detection of the screen glass before installation. However, the detection method needs to apply a large force to the equipment, so that the equipment is easily affected, and the detection process is not sustainable.
Disclosure of Invention
The invention aims to solve the existing defects and provides a wireless equipment installation detection system,
the invention adopts the following technical scheme:
a wireless device installation detection system comprises a force application module, a force measurement module, a distance measurement module and a calculation processing module, wherein the force application module is used for applying pressure to a wireless device, the force measurement module is used for measuring the pressure of the wireless device on the wireless device, the distance measurement module is used for measuring the displacement of the wireless device under the action of the pressure, the calculation processing module analyzes the data to obtain a fit line of a stability value and a pressure grade, and whether the stability value of the wireless device under the high pressure grade meets the requirement or not is judged through the fit line;
the component of the pressure formed by the force application module on the wireless device in the reference direction is FY, the component of the pressure detected by the force measurement module in the reference direction is FY', the displacement component of the wireless device detected by the distance measurement module in the reference direction is L1, and then the stability index g (FY) of the wireless device is:
wherein Δ L is a reference displacement;
dividing the pressure into a plurality of grades according to the size of FY, wherein each grade is an interval, and the calculation processing module calculates the stability value Gu under each pressure grade:
wherein, F1 is the left end value of the corresponding interval, and F2 is the right end value of the corresponding interval;
fitting according to the obtained points (Gu (i), i) to obtain a fitting line between the stability value and the grade, wherein Gu (i) represents the stability value under the ith grade;
further, the force application module comprises a plurality of force application units, the force measurement module comprises a plurality of force measurement units, the distance measurement module comprises a plurality of distance measurement units, the force applied by the force application units is represented by fp (i), the force detected by the force measurement units is represented by fl (i), and the displacement detected by the distance measurement units is represented by l (i), then:
wherein alpha (i) represents an included angle between the force application direction of the ith force application unit and the reference direction, beta (i) represents an included angle between the force receiving direction of the ith force measurement unit and the reference direction, and theta (i) represents an included angle between the measurement displacement of the ith distance measurement unit and the reference direction;
further, the system also comprises a direction-finding module, wherein the direction-finding module is used for determining a reference direction and measuring the alpha (i), beta (i) and theta (i) values;
further, the force application unit, the force measurement unit and the distance measurement unit all include two laser transmitters, the interval of the two laser transmitters is delta a, the direction measurement unit includes a four-sided laser detection board, the laser detection board encloses a square, the distance of the point of the laser detection board receiving the laser transmitters is delta b, and then the included angle phi between the force application unit, the force measurement unit and the distance measurement unit and the reference direction is:
further, the direction-finding module further comprises a circular rail, the laser detection board is mounted on the circular rail and can rotate along the circular rail, and the direction-finding module can calculate a reference adaptive value D according to all detected deltas:
and rotating the laser detection plate to enable the direction of the laser detection plate receiving the laser of the force application unit to point to the laser detection plate receiving the laser of the force measurement unit to be the reference direction when the reference adaptive value D is minimum.
The beneficial effects obtained by the invention are as follows:
the system applies pressure to the wireless equipment, detects the micro displacement of the wireless equipment and the pressure caused by the force measuring module, calculates the stability of the wireless equipment according to the data of the three, and has better accuracy in comparison with the simple displacement test.
For a better understanding of the features and technical content of the present invention, reference should be made to the following detailed description of the invention and accompanying drawings, which are provided for purposes of illustration and description only and are not intended to limit the invention.
Drawings
FIG. 1 is a schematic view of the overall structural framework of the present invention;
FIG. 2 is a schematic diagram showing the relationship between the included angle between each unit direction and the reference direction according to the present invention;
FIG. 3 is a schematic view of the principle of measuring the included angle between each unit direction and the reference direction according to the present invention;
FIG. 4 is a schematic view of the positional relationship between a laser detector plate and other modules according to the present invention;
FIG. 5 is a schematic view of the detection process of the present invention.
Detailed Description
The following is a description of embodiments of the present invention with reference to specific embodiments, and those skilled in the art will understand the advantages and effects of the present invention from the disclosure of the present specification. The invention is capable of other and different embodiments and its several details are capable of modification in various other respects, all without departing from the spirit and scope of the present invention. The drawings of the present invention are for illustrative purposes only and are not intended to be drawn to scale. The following embodiments will further explain the related art of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention.
The first embodiment.
The embodiment provides a wireless device installation detection system, which is combined with fig. 1 and comprises a force application module, a force measurement module, a distance measurement module and a calculation processing module, wherein the force application module is used for applying pressure to a wireless device, the force measurement module is used for measuring the pressure of the wireless device on the wireless device, the distance measurement module is used for measuring the displacement of the wireless device under the action of the pressure, the calculation processing module is used for analyzing the data to obtain a fit line of a stability value and a pressure grade, and whether the stability value of the wireless device meets the requirement under the high pressure grade is judged through the fit line;
the component of the pressure formed by the force application module on the wireless device in the reference direction is FY, the component of the pressure detected by the force measurement module in the reference direction is FY', the displacement component of the wireless device detected by the distance measurement module in the reference direction is L1, and then the stability index g (FY) of the wireless device is:
wherein Δ L is a reference displacement;
dividing the pressure into a plurality of grades according to the size of FY, wherein each grade is an interval, and the calculation processing module calculates the stability value Gu under each pressure grade:
wherein, F1 is the left end value of the corresponding interval, and F2 is the right end value of the corresponding interval;
fitting according to the obtained points (Gu (i), i) to obtain a fitting line between the stability value and the grade, wherein Gu (i) represents the stability value under the ith grade;
the force application module comprises a plurality of force application units, the force measurement module comprises a plurality of force measurement units, the distance measurement module comprises a plurality of distance measurement units, the force applied by the force application units is represented by Fp (i), the force detected by the force measurement units is represented by Fl (i), and the displacement detected by the distance measurement units is represented by L (i), then:
wherein alpha (i) represents an included angle between the force application direction of the ith force application unit and the reference direction, beta (i) represents an included angle between the force receiving direction of the ith force measurement unit and the reference direction, and theta (i) represents an included angle between the measurement displacement of the ith distance measurement unit and the reference direction;
the system also comprises a direction-finding module, wherein the direction-finding module is used for determining a reference direction and measuring the alpha (i), beta (i) and theta (i) values;
the force application unit, the force measurement unit and the distance measurement unit all comprise two laser transmitters, the interval between the two laser transmitters is delta a, the direction measurement unit comprises a four-surface laser detection board, the laser detection board encloses a square, the distance from the point of the laser transmitter received by the laser detection board is delta b, and the included angle phi between the force application unit, the force measurement unit and the distance measurement unit and the reference direction is as follows:
the direction-finding module further comprises a circular rail, the laser detection board is installed on the circular rail and can rotate along the circular rail, and the direction-finding module can calculate a reference adaptive value D according to all detected deltab:
and rotating the laser detection plate to enable the direction of the laser detection plate receiving the laser of the force application unit to point to the laser detection plate receiving the laser of the force measurement unit to be the reference direction when the reference adaptive value D is minimum.
Example two.
The embodiment includes the whole content of the first embodiment, and provides a wireless device installation detection system, which includes a force application module, a force measurement module, a distance measurement module, a direction measurement module and a calculation processing module, wherein the force application module is used for applying pressure to a wireless device after installation and simulating the pressure formed by natural wind on the wireless device, the force measurement module is attached to the wireless device and used for measuring the pressure formed by the wireless device on the force measurement module in a pressed state, the direction measurement module is used for measuring the acting force direction of the force application module and the force measurement module, the distance measurement module is used for measuring the micro displacement of the wireless device when the pressure is applied, and the calculation processing module analyzes data values generated by the modules to obtain a stable value of the wireless device;
the force application module comprises a plurality of force application units, each force application unit can independently adjust applied pressure, and the pressure value applied by the ith force application unit is represented by Fp (i);
the force measuring module comprises a plurality of force measuring units, each force measuring unit can detect the pressure received by the force measuring unit, and Fl (i) represents the pressure value detected by the ith force measuring unit;
the distance measurement module comprises a plurality of distance measurement units, each distance measurement unit can detect the displacement of the wireless equipment in a certain direction, and L (i) represents the displacement value detected by the ith distance measurement unit;
when the force application directions of all the force application units are the same, the force application directions of all the force measurement units are the same as the force application directions of the force application units, and the detection displacement directions of all the distance measurement units are the same as the force application directions of the force application units, the stability index G (Fa) of the installed wireless equipment is as follows:
where Δ L is the reference displacement, n2Number of force-measuring cells, n3For the number of ranging units, Fa is the total pressure applied by the force applying unit, and the formula is as follows:
wherein n is1The number of the force application units;
dividing Fa into a plurality of intervals according to the value, wherein each interval represents a grade, and the calculation processing module performs the following processing on each interval to obtain a stable value Gu under the corresponding grade:
wherein, F1 is the left end value of the corresponding interval, and F2 is the right end value of the corresponding interval;
the stability values are sorted from low to high according to the grade of the interval to obtain a plurality of points (Gu (1), 1),
(Gu (2),. and (Gu (m), wherein Gu (i) represents a stable value at the ith grade, and m is the maximum grade which can be reached by the total pressure value of the force application unit;
fitting the points to obtain a fit line of the stability value and the grade, calculating to obtain a stability value with a higher grade according to the fit line, and judging whether the stability requirement of installation is met or not;
the fitting adopts a straight line fitting mode, a straight line equation is set as y as kx + b, and the sum Z of the difference between the points and the straight line is calculated:
passing a straight line through one of the points, adjusting the value of k and the value of b, and recording k and b which minimize Z, denoted as k (i) and b (i), where the straight line y ═ k (i) x + b (i) represents the equation of the candidate straight line passing through the point (gu (i), i);
comparing the Z values of the m candidate linear equations, and taking the candidate linear equation with the minimum Z value as a final fitting line;
with reference to fig. 2, due to differences of wireless devices, directions measured by the force measuring unit and the distance measuring unit and directions applied by the force applying unit are not all in the same straight line direction, the direction measuring module is configured to provide a reference direction and test included angles between directions of other units and the reference direction, an included angle between the force applying direction of the force applying unit and the reference direction is denoted as α (i), an included angle between a force receiving direction of the force measuring unit and the reference direction is denoted as β (i), an included angle between a displacement direction detected by the distance measuring unit and the reference direction is denoted as θ (i), and a stability index g (fa) of the installed wireless device is:
wherein the formula for Fa becomes:
with reference to fig. 3 and 4, the force measuring unit, the distance measuring unit and the force applying unit all comprise a fixed disk, two laser transmitters are arranged at the bottom of the fixed disk, the distance between the two laser transmitters is a fixed value delta a, the direction measuring module comprises a four-surface laser detection plate, the laser detection plate encloses a square, the laser emitted by the two laser detection plates on the fixed disk is received by the laser detection plate and the distance between the receiving points is measured as delta b,
the included angle alpha between the force application direction of the force application unit and the reference direction, the included angle beta between the force application direction of the force measurement unit and the reference direction and the included angle theta between the displacement direction detected by the distance measurement unit and the reference direction are as follows:
the direction-finding module further comprises a circular rail, the laser detection board is installed on the circular rail and can rotate along the circular rail, and the direction-finding module can calculate a reference adaptive value D according to all detected deltab:
rotating the laser detection plate to enable the direction, which points to the laser detection plate receiving the laser of the force measuring unit, of the laser detection plate receiving the laser of the force applying unit to be the reference direction when the reference adaptive value D is minimum;
with reference to fig. 5, the overall testing process involves the following steps:
s1, attaching the force measuring unit and the force applying unit to proper positions of wireless equipment, and enabling the distance measuring unit to be close to the wireless equipment;
s2, zeroing along with the force measuring unit to enable the pressure value detected by the force measuring unit to be 0;
s3, mounting the laser detection plate on a circular rail;
s4, starting the force measuring unit, the force applying unit and the laser emitter on the distance measuring unit;
s5, rotating the laser detection plate and stopping at the position with the minimum reference adaptive value;
s6, applying pressure Fp (i) by the force application unit to obtain corresponding Fl (i) and L (i), and continuously repeating the process to obtain a plurality of groups of test data;
s7, the calculation processing module calculates the multiple groups of test data obtained in the step S6 to obtain a fit line of the stability value and the grade;
s8, calculating the stability value under each grade, and judging whether the stability value meets the installation requirement;
the fixed disks of all the force measuring units are connected to one fixed block, the fixed disks of all the force applying units are connected to one fixed block, and the fixed blocks are used for providing a fulcrum and fixing the positions of the force applying units and the force measuring units.
The disclosure is only a preferred embodiment of the invention, and is not intended to limit the scope of the invention, so that all equivalent technical changes made by using the contents of the specification and the drawings are included in the scope of the invention, and further, the elements thereof can be updated as the technology develops.
Claims (5)
1. A wireless device installation detection system is characterized by comprising a force application module, a force measurement module, a distance measurement module and a calculation processing module, wherein the force application module is used for applying pressure to a wireless device, the force measurement module is used for measuring the pressure of the wireless device on the wireless device, the distance measurement module is used for measuring the displacement of the wireless device under the action of the pressure, the calculation processing module analyzes the data to obtain a fit line of a stability value and a pressure grade, and whether the stability value of the wireless device under the high pressure grade meets the requirement or not is judged through the fit line;
the component of the pressure formed by the force application module on the wireless device in the reference direction is FY, the component of the pressure detected by the force measurement module in the reference direction is FY', the displacement component of the wireless device detected by the distance measurement module in the reference direction is L1, and then the stability index g (FY) of the wireless device is:
wherein Δ L is a reference displacement;
dividing the pressure into a plurality of grades according to the size of FY, wherein each grade is an interval, and the calculation processing module calculates the stability value Gu under each pressure grade:
wherein, F1 is the left end value of the corresponding interval, and F2 is the right end value of the corresponding interval;
fitting is performed according to the obtained points (gu (i), i) to obtain a fitting line between the stability value and the grade, wherein gu (i) represents the stability value at the ith grade.
2. The wireless device installation detection system of claim 1, wherein said force application module comprises a plurality of force application units, said force measurement module comprises a plurality of force measurement units, said distance measurement module comprises a plurality of distance measurement units, the force applied by said force application unit is represented by fp (i), the force detected by said force measurement unit is represented by fl (i), the displacement detected by said distance measurement unit is represented by l (i), then:
wherein alpha (i) represents an included angle between the force application direction of the ith force application unit and the reference direction, beta (i) represents an included angle between the force receiving direction of the ith force measurement unit and the reference direction, theta (i) represents an included angle between the measurement displacement of the ith distance measurement unit and the reference direction, n (i) represents a distance between the measurement displacement of the ith force measurement unit and the reference direction, n (i) represents a distance between the force application unit and the reference direction1Is the number of force application units, n2Number of force-measuring cells, n3Is the number of ranging units.
3. The wireless device installation detection system of claim 2, further comprising a direction-finding module for determining a reference direction and measuring the α (i), β (i), and θ (i) values.
4. The wireless device installation detection system of claim 3, wherein said force applying unit, said force measuring unit and said distance measuring unit each comprise two laser emitters spaced apart by a distance Δ a, said direction-finding module comprises a four-sided laser detector board, said laser detector board encloses a square, said laser detector board is spaced apart from the point at which the laser emitters are received by a distance Δ b, and the angle φ between said force applying unit, said force measuring unit and said distance measuring unit and the reference direction is:
5. the wireless device installation detection system of claim 4, wherein said direction-finding module further comprises a circular track, said laser detection board being mounted on and rotatable along said circular track, said direction-finding module calculating a reference adaptive value D based on all detected Δ b:
and rotating the laser detection plate to enable the direction of the laser detection plate receiving the laser of the force application unit to point to the laser detection plate receiving the laser of the force measurement unit to be the reference direction when the reference adaptive value D is minimum.
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| CN201589715U (en) * | 2009-12-23 | 2010-09-22 | 力帆实业(集团)股份有限公司 | Bench for testing installation stability of vehicle fuel gas bottle |
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