Multi-point order difference measuring system

Abstract

The invention discloses a multi-point order difference measurement system, and relates to the technical field of order difference measurement. The multi-point order difference measuring system comprises a shell, a measuring host and a bottom plate, wherein the measuring host is embedded in a frame formed by the shell and the bottom plate; the shell comprises a mode selection switch; the bottom plate comprises an order difference measurement reference platform and a laser measurement window; each laser measuring window is provided with a laser sensor; the order difference measurement reference platform provides an accommodating space for equipment to be measured; when the measurement host detects that the mode selection switch is in a first switch, the multi-point order difference measurement system enters a measurement mode; the laser sensor performs order difference measurement on the to-be-measured equipment through the laser measurement window to obtain a corresponding actual order difference measurement value, and the measurement host collects the corresponding actual order difference measurement value according to the current attitude of the system and the preset measurement activation condition, so that the human influence in the order difference measurement process is reduced, the measurement efficiency is improved, and the measurement quality is guaranteed. And high-precision and multi-point order difference measurement is realized.

Description

Technical Field

[0001] The present invention relates to the technical field of step difference measurement, and in particular to a multi-point step difference measurement system. Background Art

[0002] An angle of attack sensor is installed on the aircraft skin. The angle of attack sensor is installed through a base. The base is installed on the skin, and it is best to be flush with the skin surface. However, during installation, there is generally a step difference between the base and the skin. For the base installation of the angle of attack sensor, it is necessary to measure the step difference between the base and the skin at multiple points around the base.

[0003] At present, single-point measuring instruments such as depth gauges are mostly used for the measurement of step difference. Multiple measurements are made at multiple points, and the data are recorded separately each time.

[0004] However, the existing measurement methods have problems such as crude measuring tools, large human influence, low measurement efficiency, and cumbersome measurement data recording. Summary of the invention

[0005] The present invention provides a multi-point step difference measurement system to solve the problems of large human influence and low measurement efficiency in the step difference measurement process, reduce the human influence in the step difference measurement process, improve the measurement efficiency, ensure the measurement quality, and realize high-precision, multi-point step difference measurement.

[0006] According to one aspect of the present invention, there is provided a multi-point level difference measurement system, comprising:

[0007] A housing, a measuring host and a bottom plate; wherein the measuring host is embedded in a frame formed by the housing and the bottom plate; the housing includes a mode selection switch; the bottom plate includes a step difference measurement reference platform and a laser measurement window; each laser measurement window is equipped with a laser sensor; the step difference measurement reference platform provides a storage space for the device to be measured;

[0008] When the measurement host detects that the mode selection switch is in the first switch, the multi-point level difference measurement system enters the measurement mode;

[0009] The laser sensor performs step difference measurement on the device to be measured through the laser measurement window to obtain the corresponding actual step difference measurement value, and collects the corresponding actual step difference measurement value through the measurement host according to the current posture of the multi-point step difference measurement system and the preset measurement activation conditions.

[0010] According to the technical solution of the embodiment of the present invention, a multi-point step difference measurement system consisting of a shell, a measuring host and a base plate is provided, wherein the measuring host is embedded in a frame formed by the shell and the base plate, the shell includes a mode selection switch, the base plate includes a step difference measurement reference platform and a laser measurement window, each laser measurement window is configured with a laser sensor, the step difference measurement reference platform provides a storage space for the device to be measured, and plays a role in obstacle avoidance, when the measuring host detects that the mode selection switch is in the first switch, it enters the measurement mode, the laser sensor performs step difference measurement on the device to be measured through the laser measurement window, and obtains the corresponding actual step difference measurement value, and the corresponding actual step difference measurement value is collected by the measuring host according to the current posture of the system and the preset measurement activation condition, thereby solving the problems of large human influence and low measurement efficiency in the step difference measurement process, reducing the human influence in the measurement process, improving the measurement efficiency, ensuring the measurement quality, and realizing high-precision and multi-point step difference measurement.

[0011] It should be understood that the contents described in this section are not intended to identify the key or important features of the embodiments of the present invention, nor are they intended to limit the scope of the present invention. Other features of the present invention will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0013] Figure 1 A schematic diagram of the structure of a multi-point level difference measurement system provided by an embodiment of the present invention;

[0014] Figure 2 A schematic diagram of the angle between a multi-point level difference measurement system, a device to be measured and its own rotation provided by an embodiment of the present invention;

[0015] Figure 3 A schematic diagram of an upward direction of a valid indicator light of a measurement group provided by an embodiment of the present invention;

[0016] Figure 4 A schematic diagram of the structure of a complete multi-point level difference measurement system provided by an embodiment of the present invention;

[0017] Figure 5 A schematic diagram of a top plate of a multi-point level difference measurement system provided by an embodiment of the present invention;

[0018] Figure 6 A schematic diagram of a bottom plate of a multi-point level difference measurement system provided by an embodiment of the present invention;

[0019] Figure 7 A schematic diagram of a multi-point level difference measurement system provided by an embodiment of the present invention using an avoidance window to avoid protrusions of a device under test;

[0020] Figure 8 A display schematic diagram of a measurement system on a remote terminal provided by an embodiment of the present invention;

[0021] Fig. 9 A schematic diagram of a housing of a multi-point level difference measurement system provided by an embodiment of the present invention;

[0022] Fig.10 A display schematic diagram of a measurement system on a remote terminal in an error measurement mode provided by an embodiment of the present invention;

[0023] Fig.11 The present invention provides a flowchart of a method for using a multi-point level difference measurement system.

[0024] Description of reference numerals:

[0025] 11. Outer shell; 12. Measurement host; 13. Bottom plate; 14. Step difference measurement reference platform; 15. Mode selection switch; 16. Laser sensor; 17. Laser measurement window; 18. Top plate; 19. Power supply battery; 20. Communication module; 31. Measurement group effective indicator light; 51. First effective indicator light; 52. Second effective indicator light; 53. Fault indicator light; 54. Battery indicator light; 55. Handle; 56. System power button; 61. Avoidance window; 62. Installation hole; 91. USB interface; 92. Mode selection switch. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0027] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0028] In one embodiment, Figure 1 A schematic diagram of the structure of a multi-point level difference measurement system provided in an embodiment of the present invention, this embodiment can be applied to measure the level difference between the mounting base of equipment such as an aircraft angle of attack sensor and the aircraft skin. It should be noted that the multi-point level difference measurement system may include multiple laser measurement windows, that is, multiple laser sensors are configured. Exemplarily, taking the multi-point level difference measurement system including 4 laser sensors (i.e., laser sensor 1, laser sensor 2, laser sensor 3, and laser sensor 4), and 4 laser sensor windows (i.e., laser sensor window 1, laser sensor window 2, laser sensor window 3, and laser sensor window 4) as an example, the structure of the multi-point level difference measurement system is described.

[0029] like Figure 1 As shown, a multi-point level difference measurement system provided by this embodiment may include:

[0030] A housing 11, a measuring host 12 and a bottom plate 13; wherein the measuring host 12 is embedded in a frame formed by the housing 11 and the bottom plate 13; the housing 11 includes a mode selection switch 15; the bottom plate 13 includes a step difference measurement reference platform 14 and a laser measurement window 17; each laser measurement window 17 is equipped with a laser sensor 16; the step difference measurement reference platform 14 provides a storage space for the device to be measured;

[0031] Specifically, the multi-point level difference measurement system may include a shell, a measuring host and a base plate. The shell may include a cylindrical system external structure made of plastic, resin and other materials; the base plate may include a circular system bottom structure made of plastic, resin and other materials; the measuring host may include laser sensors, circuit lines and other devices.

[0032] Furthermore, the measuring host can be embedded in a frame formed by the outer shell and the base plate, and the shape of the measuring host can include a circle; the outer shell can include a mode selection switch, and the mode selection switch can include N gear and C gear, N gear is the multi-point step difference measurement system in normal working mode, and C gear is the multi-point step difference measurement system in calibration mode; the base plate can include a step difference measurement reference platform and a laser measurement window, each laser measurement window can be configured with a laser sensor, the laser sensor can perform step difference measurement on the device to be measured through the laser measurement window, the step difference measurement reference platform and the base plate can be set as concentric circles, the step difference measurement reference platform can provide a storage space for the device to be measured, fix the device to be measured, play a role in obstacle avoidance, and facilitate step difference measurement.

[0033] When the measurement host detects that the mode selection switch is in the first switch, the multi-point level difference measurement system enters the measurement mode;

[0034] Specifically, when the measurement host detects that the mode selection switch on the housing is in the first switch, the multi-point level difference measurement system can enter the measurement mode, and the first switch can be in the N position, that is, the multi-point level difference measurement system is in the normal working mode.

[0035] The laser sensor performs step difference measurement on the device to be measured through the laser measurement window to obtain the corresponding actual step difference measurement value, and collects the corresponding actual step difference measurement value through the measurement host according to the current posture of the multi-point step difference measurement system and the preset measurement activation conditions.

[0036] In this embodiment, the current posture of the multi-point step difference measurement system may include the angle state of the multi-point step difference measurement system and the device to be measured and the rotation of the system itself when performing step difference measurement. Figure 2 A schematic diagram of the angle between a multi-point level difference measurement system and a device under test and its own rotation provided by an embodiment of the present invention can show the roll angle and pitch angle, such as Figure 2 As shown, it may include the roll angle of its own rotation and the pitch angle between it and the device to be tested; the preset measurement activation condition may include the required conditions for the multi-point step difference measurement system to start step difference measurement, which are set in advance according to actual conditions, and may include whether the measurement effective indicator light is turned on and whether the posture of the current multi-point step difference measurement system is within a specified range; the actual step difference measurement value may include the step difference measurement value between the system and the device to be tested obtained by measuring when the posture of the current multi-point step difference measurement system is within the specified range and the laser sensor group is in normal operation.

[0037] Specifically, when the multi-point step difference measurement system can enter the measurement mode, the laser sensor located on the measurement host can emit laser pulses through the laser measurement window on the bottom plate to perform step difference measurement on the device to be measured, and obtain the corresponding actual step difference measurement value. The corresponding actual step difference measurement value can be collected by the measurement host according to the current posture of the multi-point step difference measurement system and the required conditions for the multi-point step difference measurement system to start step difference measurement which are set in advance according to actual conditions. The current posture of the multi-point step difference measurement system can include the roll angle of the system's own rotation and the pitch angle between the system and the device to be measured.

[0038] Based on the above embodiment, the preset measurement activation condition includes: a first measurement activation condition and a second measurement activation condition; the actual step difference measurement value corresponding to the current posture of the multi-point step difference measurement system and the preset measurement activation condition is collected by the measurement host, including:

[0039] When the current posture of the multi-point step difference measurement system meets the first measurement activation condition of the first measurement group, actual step difference measurement values ​​corresponding to the first group of measurement positions of the device to be measured are collected by the measurement host;

[0040] In this embodiment, the first measurement group may include four laser sensors, which are respectively located at corresponding positions of the laser measurement window in the bottom plate; the first group of measurement positions may include corresponding positions of 0 degrees, 90 degrees, 180 degrees and 270 degrees in the circular area between the multi-point step difference measurement system and the measured device; the first measurement activation condition may include the conditions required for the first measurement group in the multi-point step difference measurement system to start step difference measurement, which may include whether the effective indicator light of the first measurement group is turned on and whether the posture of the current multi-point step difference measurement system is within a specified range.

[0041] Specifically, the preset measurement activation conditions of the multi-point step difference measurement system may include a first measurement activation condition and a second measurement activation condition, and it can be determined whether the first measurement group and the second measurement group can be measured normally. The corresponding actual step difference measurement values ​​can be collected by the measurement host according to the angle state between the multi-point step difference measurement system and the device to be measured and its own rotation and the required conditions for the multi-point step difference measurement system to start step difference measurement set in advance according to actual conditions, including when the current posture of the multi-point step difference measurement system meets the required conditions for the first measurement group to start step difference measurement of the first measurement group, the actual step difference measurement values ​​corresponding to the first group of measurement positions of the device to be measured can be collected by the measurement host, the current posture of the multi-point step difference measurement system may include the angle state between the multi-point step difference measurement system and the device to be measured and its own rotation when performing step difference measurement, and the first group of measurement positions may include the corresponding positions of 0 degrees, 90 degrees, 180 degrees and 270 degrees in the circular area between the multi-point step difference measurement system and the device to be measured.

[0042] When the current posture of the multi-point step difference measurement system meets the second measurement activation condition of the second measurement group, actual step difference measurement values ​​corresponding to the second group of measurement positions of the device to be measured are collected through the measurement host.

[0043] In this embodiment, the second measurement group may include four laser sensors, which are respectively located at corresponding positions of the laser measurement window in the bottom plate; the first group of measurement positions may include corresponding positions of 45 degrees, 135 degrees, 225 degrees and 315 degrees in the circular area between the multi-point step difference measurement system and the measured device; the second measurement activation condition may include the conditions required for the second measurement group in the multi-point step difference measurement system to start step difference measurement, which may include whether the effective indicator light of the second measurement group is turned on and whether the posture of the current multi-point step difference measurement system is within a specified range.

[0044] Specifically, when the current posture of the multi-point step difference measurement system meets the current posture of the second measurement group and the required conditions for the second measurement group to start step difference measurement, the actual step difference measurement values ​​corresponding to the second group of measurement positions of the device to be measured can be collected by the measurement host. The current posture of the multi-point step difference measurement system may include the angle state of the multi-point step difference measurement system and the device to be measured and its own rotation when performing step difference measurement. The second group of measurement positions may include the corresponding positions of 45 degrees, 135 degrees, 225 degrees and 315 degrees in the circular area between the multi-point step difference measurement system and the device to be measured.

[0045] Based on the above embodiment, the multi-point level difference measurement system further includes: a top plate 18; wherein the top plate 18 includes: a first valid indicator light 51 and a second valid indicator light 52; the first valid indicator light is used to indicate the valid situation and positioning mark of the first measurement group; the second valid indicator light is used to indicate the valid situation and positioning mark of the second measurement group;

[0046] In this embodiment, the first effective indicator light may include a sign indicating that the first measurement group can perform normal step difference measurement, and when the first measurement group can perform normal step difference measurement, the first effective indicator light is on; the second effective indicator light may include a sign indicating that the second measurement group can perform normal step difference measurement, and when the second measurement group can perform normal step difference measurement, the second effective indicator light is on; the angle between the first effective indicator light and the second effective indicator light is 45 degrees; Figure 3 A schematic diagram of an effective indicator light of a measurement group provided by an embodiment of the present invention is provided, which can show that the effective indicator light of the measurement group is upward with respect to the horizontal ground, such as Figure 3 As shown, the positioning mark of the effective indicator lights of the measurement group may include whether the first effective indicator light and the second effective indicator light are upward relative to the horizontal ground direction.

[0047] Specifically, Figure 4The schematic diagram of the structure of a complete multi-point level difference measurement system provided by the embodiment of the present invention specifically shows the various parts of the multi-point level difference measurement system, such as Figure 4 As shown, the multi-point level difference measurement system also includes a top plate, and further, Figure 5 A schematic diagram of a top plate of a multi-point level difference measurement system provided by an embodiment of the present invention can show various parts of the top plate, such as Figure 5 As shown, the top plate may include a first valid indicator light and a second valid indicator light. The first valid indicator light may be used to indicate a valid situation of the first measurement group performing normal step difference measurement and to determine whether the first valid indicator light is directed upward, i.e., a positioning mark of the first valid indicator light; the second valid indicator light may be used to indicate a valid situation of the second measurement group performing normal step difference measurement and to determine whether the second valid indicator light is directed upward, i.e., a positioning mark of the second valid indicator light.

[0048] Accordingly, the first measurement activation condition includes: the first valid indicator light is facing upward relative to the horizontal ground, and the roll angle of the multi-point level difference measurement system is within ±5 degrees, and the pitch angle is within 30 degrees;

[0049] Specifically, as shown in the figure, the activation conditions for the first measurement group to perform step difference measurement normally may include: the first effective indicator light is facing upward relative to the horizontal ground, and the roll angle of the multi-point step difference measurement system itself is within ±5 degrees with the horizontal ground as 0 degrees, and the pitch angle between the system and the device under test is within 30 degrees.

[0050] The second measurement activation condition includes: the second valid indicator light is facing upward relative to the horizontal ground, and the position of the second valid indicator light vertically upward to the horizontal ground is -45 degrees, the roll angle of the multi-point phase difference measurement system is within -50 to -40 degrees, and the pitch angle is within 30 degrees.

[0051] Specifically, as shown in the figure, the activation conditions for the second measurement group to perform normal step difference measurement may include: the second effective indicator light is facing upward relative to the horizontal ground, and the position of the second effective indicator light vertically upward to the horizontal ground is -45 degrees, the roll angle of the multi-point step difference measurement system itself is within -50 to -40 degrees, and the pitch angle between the system and the device under test is within 30 degrees.

[0052] Based on the above embodiment, the bottom plate of the multi-point level difference measurement system further includes: an avoidance window 61 and a mounting hole 62;

[0053] Among them, the avoidance window is used to extend the protrusion of the device to be tested into the interior of the multi-point level difference measurement system; the mounting holes are used to fix the top plate, the outer shell, the measurement host and the bottom plate into an integrated device through firmware.

[0054] In this embodiment, the avoidance window may include a recessed portion in the bottom plate of the multi-point level difference measurement system.

[0055] Specifically, Figure 6 A schematic diagram of a bottom plate of a multi-point level difference measurement system provided by an embodiment of the present invention can show various parts of the bottom plate, such as Figure 6 As shown, the bottom plate of the multi-point level difference measurement system may also include an avoidance window and mounting holes. Further, Figure 7 A schematic diagram of a multi-point level difference measurement system provided by an embodiment of the present invention using an avoidance window to avoid protrusions of a device under test, such as Figure 7 As shown, the avoidance window can be used to extend the protrusion of the device under test into the interior of the multi-point level difference measurement system to facilitate measurement; the mounting holes can be used to fix the top plate, the housing, the measurement host and the bottom plate into an integrated device through firmware, and the firmware can include screws and rivets, etc.

[0056] The technical solution provided by the embodiment of the present invention measures the step difference between the device under test and the device under test through a multi-point step difference measurement system including a shell, a measurement host and a bottom plate, wherein the measurement host is embedded in a frame formed by the shell and the bottom plate, and a mode selection switch is provided on the shell to facilitate users to start the system, and the bottom plate includes a step difference measurement reference platform and a laser measurement window, each laser measurement window is configured with a laser sensor, and the laser sensor is convenient for the laser sensor to emit laser pulses to measure the step difference, and the device under test is embedded in the step difference measurement reference platform, which can fix the device under test, so that the system measurement process is more stable and the accuracy of the measurement result is improved. When the mode selection switch is in the first switch, the system enters the measurement mode, and the laser sensor performs step difference measurement on the device under test through the laser measurement window to obtain the corresponding actual step difference measurement value, and collects the corresponding actual step difference measurement value through the current posture of the system and the preset measurement activation condition, thereby solving the problems of large human influence and low measurement efficiency in the step difference measurement process, reducing the human influence in the measurement process, improving the measurement efficiency, ensuring the measurement quality, and realizing high-precision and multi-point step difference measurement.

[0057] Based on the above embodiment, when the measurement host detects that the mode selection switch is in the second switch position, the multi-point level difference measurement system enters the calibration mode;

[0058] Specifically, when the measurement host detects that the mode selection switch on the housing is in the second switch position, the multi-point level difference measurement system may enter the calibration mode, and the second switch may be in the C position to indicate that the multi-point level difference measurement system is in the calibration mode.

[0059] Start the calibration platform to perform benchmark measurements on each laser sensor to obtain the corresponding actual benchmark measurement value; after the actual benchmark measurement value reaches the preset benchmark measurement value, perform a zeroing operation on each measurement position and save the zero position value to complete the calibration measurement operation.

[0060] In this embodiment, the actual reference measurement value may include the measurement value of each laser sensor obtained by measuring the multi-point step difference measurement system in the calibration mode on the calibration platform using a standard feeler gauge to measure each laser sensor in the measurement host, taking the step difference measurement reference platform as the 0mm position, adjusting the feeler gauge by 0.5mm from -1.0mm to 2.0mm, and referring to the working steps of the normal working mode; the preset reference measurement value may include the actual reference measurement value set according to the actual situation and the difference between the actual reference measurement value and the standard plane within the error range.

[0061] Specifically, after the multi-point step difference measurement system enters the calibration mode, the calibration platform can be started to perform a benchmark measurement on each laser sensor in the measurement host to obtain the corresponding actual benchmark measurement value. The calibration platform can be provided by a regular calibration organization. After the actual benchmark measurement value reaches the actual benchmark measurement value set according to the actual situation and the difference between the actual benchmark measurement value and the standard plane is within the error range, each measurement position is zeroed and the zero position value is saved to complete the calibration and metrology operation of the multi-point step difference measurement system to facilitate the subsequent step difference measurement operation of the multi-point step difference measurement system.

[0062] Based on the above embodiment, the top plate of the multi-point level difference measurement system further includes: a fault indicator light 53 and a battery indicator light 54; the measurement host further includes: a power supply battery 19;

[0063] The power supply battery is used to provide power for the multi-point level difference measurement system to operate normally;

[0064] The fault indicator light is used to indicate the activation fault condition of the first measurement group and the second measurement group;

[0065] The battery indicator light is used to indicate the charging and discharging status of the power supply battery.

[0066] In this embodiment, the fault indicator light may include a sign of whether the first measurement group and the second measurement group are successfully activated. When the measurement group does not meet the activation conditions, the measurement group activation fails and the fault indicator light is on. Exemplarily, when the pitch angle of the first measurement group with the device to be measured is greater than 30 degrees, the activation condition of the first measurement group is not met and the fault indicator light is on; the battery indicator light may include a sign of the working status of the battery of the multi-point phase difference measurement system, and the lighting status may be controlled by the measurement host. Exemplarily, when the multi-point phase difference measurement system is charging, the battery indicator light flashes green, and when it is fully charged, the green light is always on, and when the battery indicator light is discharged, the red light is always on, and the flashing red light indicates that the battery is low.

[0067] Specifically, Figure 5 As shown, the top plate of the multi-point level difference measurement system may further include a fault indicator light and a battery indicator light. The fault indicator light may be used to indicate the activation fault condition of the first measurement group and the second measurement group in the multi-point level difference measurement system. When the measurement group does not meet the activation condition, the measurement group activation fails and the fault indicator light is on. The battery indicator light may be used to indicate the charge and discharge condition of the power supply battery in the multi-point level difference measurement system, and the lighting condition may be controlled by the measurement host. Figure 4 As shown, the measurement host may further include a power supply battery, and the power supply battery may be used to provide the multi-point level difference measurement system with power for normal level difference measurement.

[0068] Based on the above embodiment, the measurement host of the multi-point level difference measurement system further includes: a communication module 20;

[0069] Wherein, a communication connection is established between the multi-point level difference measurement system and the remote terminal through the communication module, so as to transmit the actual level difference measurement value measured by the multi-point level difference measurement system to the remote terminal.

[0070] In this embodiment, the remote terminal may include a device that can browse the measurement results and save screenshots of the measurement results when the multi-point level difference measurement system is in normal level difference measurement, and may include devices such as laptops, tablets, and mobile phones; the communication module may be the part of the measurement host of the multi-point level difference measurement system that performs communication operations between the system and the remote terminal, and may include a WIFI wireless module.

[0071] Specifically, Figure 4 As shown, the measurement host of the multi-point level difference measurement system may further include a communication module. Further, the communication module may be used to establish a communication connection between the multi-point level difference measurement system and a remote terminal. The communication module may be used to establish a wireless connection via WIFI. After the connection is established, the actual level difference measurement value obtained by the multi-point level difference measurement system may be transmitted to the remote terminal. Figure 8 A display diagram of a measurement system on a remote terminal provided by an embodiment of the present invention, wherein a screenshot save button exists in the program, such as Figure 8 As shown, you can browse the measurement results and take screenshots and save them on the remote terminal.

[0072] Based on the above embodiment, the housing of the multi-point level difference measurement system further includes: a USB interface 91; wherein the USB interface 91 is used to provide charging, program upgrading and program debugging functions.

[0073] In this embodiment, program upgrading may include the process of optimizing the functions of the program used for displaying measurement results in the remote terminal, which may include adding other numerical columns to the program and beautifying the program page; program debugging may include the process of testing the functions of the program used for displaying measurement results in the remote terminal.

[0074] Specifically, Fig. 9 A schematic diagram of a housing of a multi-point level difference measurement system provided by an embodiment of the present invention can show various parts of the housing, such as Fig. 9 As shown, the housing of the multi-point phase difference measurement system may also include a USB interface, and the USB interface may be located next to the mode selection switch 92. Furthermore, the USB interface may be used to insert a power source to charge the multi-point phase difference measurement system, and to connect to a remote terminal to perform operations such as upgrading and debugging the program for displaying measurement results in the remote terminal.

[0075] Based on the above embodiment, when the multi-point level difference measurement system adopts the error measurement mode, the measurement result determined by the remote terminal according to the actual level difference measurement value includes one of the following: normal measurement value, out of range and communication error.

[0076] In this embodiment, Fig.10 A display schematic diagram of a measurement system on a remote terminal in an error measurement mode provided by an embodiment of the present invention, wherein an error setting button exists in the measurement system on the remote terminal, such as Fig.10 As shown, the error measurement mode may include setting an allowable error in the remote terminal to determine whether the actual step difference measurement value measured by the system is within the allowable error range, and then displaying the system measurement result; the measurement result out of range may include that the actual step difference measurement value measured has exceeded the measurement range of the system; the measurement result communication error may include that an error occurs in the communication module in the measurement host when establishing a connection with the remote terminal.

[0077] Specifically, Fig.10As shown, when the multi-point step difference measurement system adopts the error measurement mode, the measurement result determined in the remote terminal based on the actual step difference measurement value obtained by the system measurement may include one of the following: normal measurement value, out of range and communication error, which can be used to express whether the multi-point step difference measurement system measures a normal step difference measurement value, whether the measurement value exceeds the normal measurement range of the system and whether the communication between the system and the remote terminal is normal.

[0078] Based on the above embodiment, the multi-point level difference measurement system includes at least four laser measurement windows; correspondingly, the multi-point level difference measurement system includes at least four laser sensors.

[0079] Specifically, the multi-point level difference measurement system may include at least four laser measurement windows, and a laser sensor may emit laser pulses to the device to be measured through the laser measurement window. Accordingly, the multi-point level difference measurement system may include at least four laser sensors.

[0080] In one embodiment, Fig.11 A flowchart of a method for using a multi-point level difference measurement system is provided for an embodiment of the present invention. Based on the above embodiments, this embodiment, as a preferred embodiment, refers to the specific structure of the multi-point level difference measurement system to further optimize and expand the specific use process of the multi-point level difference measurement system.

[0081] like Fig.11 As shown, the method for using the multi-point level difference measurement system provided in this embodiment may include:

[0082] S110. Lift the handle, adjust the mode selection switch, and shift it to N gear (right side) to select the normal working mode of the system.

[0083] Specifically, Figure 5 As shown, there is a handle 55 on the top plate of the multi-point level difference measurement system for the convenience of user operation. The user can lift the handle installed on the top plate of the multi-point level difference measurement system, adjust the mode selection switch on the system housing, and turn the switch to the N position, that is, the right side, to select the normal working mode of the system.

[0084] S120. Press the system power button and check that the battery charge and discharge indicator light is always red (the battery is fully charged).

[0085] Specifically, Figure 5As shown, there is also a system power button 56 on the top panel of the multi-point step difference measurement system. After the multi-point step difference measurement system is in normal working mode, the system power button on the top panel of the multi-point step difference measurement system can be pressed to check the battery charge and discharge indicator light on the top panel of the multi-point step difference measurement system, that is, whether the battery indicator light is always red, indicating that the battery power of the multi-point step difference measurement system is sufficient and the step difference measurement work can be carried out normally.

[0086] S130, observe that the valid indicator light of measurement group 1, the valid indicator light of measurement group 2 and the sensor fault indicator light flash once and then go out. After waiting for 15 seconds, observe that the sensor fault indicator light does not flash, indicating that the system is working normally.

[0087] Specifically, you can observe that the measurement group 1 valid indicator light, the measurement group 2 valid indicator light and the sensor fault indicator light on the top plate of the multi-point level difference measurement system flash once and then go out. After waiting for 15 seconds, observe that the sensor fault indicator light is not flashing, and the system can work normally. The measurement group 1 valid indicator light is the first valid indicator light, the measurement group 2 valid indicator light is the second valid indicator light, and the sensor fault indicator light is the fault indicator light.

[0088] S140, remote terminal logs into the system wireless network, opens the browser to log into the Web-based measurement system software.

[0089] Specifically, the wireless network of the system can be logged in through a remote terminal to establish a communication connection between the multi-point phase difference measurement system and the remote terminal. A browser can be opened in the remote terminal to log in to the Web-based measurement system software, and the measurement results can be viewed in the software. The remote terminal can include laptops, tablet computers, mobile phones and other devices.

[0090] S150, start measuring. The system uses 4 laser sensors, each installed at 90 degrees, and completes the measurement requirements of 8 points through 2 measurements at 45 degrees. Select measurement group 1 for measurement and click the measurement button. Select measurement group 2 for measurement and click the measurement button to complete the measurement and save the picture.

[0091] Specifically, after the multi-point level difference measurement system can work normally and has established a communication connection with the remote terminal, the system can start to measure the level difference. The system uses 4 laser sensors, each of which is installed at a 90-degree interval, which can better take into account the measurement area of ​​the device under test. After one measurement, the handheld multi-point level difference measurement system can be rotated 45 degrees for a second measurement. The measurement requirements of 8 points in the measurement area of ​​the device under test can be completed through two measurements at an interval of 45 degrees. Fig.10As shown, there are measurement buttons and screenshot save buttons in the measurement system software of the remote terminal. You can select measurement group 1 or 2 for measurement, and click the corresponding measurement button to get the measurement result. You can use the screenshot save button to save the current measurement result page for subsequent review.

[0092] S160, power off and shut down.

[0093] Specifically, after the measurement is completed and the measurement result is saved, the system power button on the top panel of the multi-point level difference measurement system can be pressed to power off the system.

[0094] The technical solution provided by the embodiment of the present invention is to adjust the mode selection switch through the handheld multi-point step difference measurement system so that the system enters the normal working mode, press the system power button to check whether the system power is sufficient, observe the effective indicator light of the measurement group to judge whether the system is working normally, log in to the system wireless network through the remote terminal, open the browser to log in to the Web-based measurement system software, and visualize the measurement results and take screenshots to save the test results for the convenience of subsequent viewing by the user. The handheld system completes the measurement requirements of 8 points through 2 measurements at an interval of 45 degrees to obtain the measurement results, which solves the problems of cumbersome user operation, cumbersome measurement result recording and low measurement efficiency in the step difference measurement process, facilitates user use, improves measurement efficiency, simplifies the measurement result recording method, and realizes high-precision, multi-point and easy-to-record step difference measurement.

[0095] The method for using a multi-point level difference measurement system provided in this embodiment can execute any multi-point level difference measurement system provided in the embodiment of the present invention, and has the corresponding functional modules and beneficial effects of the execution system. For the contents not described in detail in this embodiment, reference can be made to the description in any system embodiment of the present invention.

[0096] It should be understood that the various forms of processes shown above can be used to reorder, add or delete steps. For example, the steps described in the present invention can be executed in parallel, sequentially or in different orders, as long as the desired results of the technical solution of the present invention can be achieved, and this document does not limit this.

[0097] The above specific implementations do not constitute a limitation on the protection scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-point level difference measurement system, characterized in that: include: A housing, a measuring host and a bottom plate; wherein the measuring host is embedded in a frame formed by the housing and the bottom plate; the housing includes a mode selection switch; the bottom plate includes a step difference measurement reference platform and a laser measurement window; each of the laser measurement windows is equipped with a laser sensor; the step difference measurement reference platform provides a storage space for the device to be measured; When the measurement host detects that the mode selection switch is in the first switch state, the multi-point level difference measurement system enters a measurement mode; The laser sensor performs step difference measurement on the device to be measured through the laser measurement window to obtain a corresponding actual step difference measurement value, and the corresponding actual step difference measurement value is collected by the measurement host according to the current posture of the multi-point step difference measurement system and the preset measurement activation condition.

2. The multi-point level difference measurement system according to claim 1, characterized in that: The preset measurement activation condition includes: a first measurement activation condition and a second measurement activation condition; and collecting the corresponding actual step difference measurement value according to the current posture of the multi-point step difference measurement system and the preset measurement activation condition by the measurement host, including: When the current posture of the multi-point step difference measurement system meets the first measurement activation condition of the first measurement group, collecting actual step difference measurement values ​​corresponding to the first group of measurement positions of the device under test through the measurement host; When the current posture of the multi-point step difference measurement system meets the second measurement activation condition of the second measurement group, actual step difference measurement values ​​corresponding to the second group of measurement positions of the device under test are collected by the measurement host.

3. The multi-point level difference measurement system according to claim 1, characterized in that: When the measurement host detects that the mode selection switch is in the second switch position, the multi-point level difference measurement system enters a calibration mode; Starting the calibration platform to perform a benchmark measurement on each of the laser sensors to obtain a corresponding actual benchmark measurement value; After the actual reference measurement value reaches the preset reference measurement value, a zeroing operation is performed on each measurement position, and the zero position value is saved to complete the calibration measurement operation.

4. The multi-point level difference measurement system according to claim 2, characterized in that: The multi-point level difference measurement system further includes: a top plate; wherein the top plate includes: a first valid indicator light and a second valid indicator light; the first valid indicator light is used to indicate the valid situation and positioning mark of the first measurement group; the second valid indicator light is used to indicate the valid situation and positioning mark of the second measurement group; Accordingly, the first measurement activation condition includes: the first valid indicator light is facing upward relative to the horizontal ground, and the roll angle of the multi-point level difference measurement system is within ±5 degrees, and the pitch angle is within 30 degrees; The second measurement activation condition includes: the second valid indicator light is facing upward relative to the horizontal ground, and the position of the second valid indicator light vertically upward to the horizontal ground is -45 degrees, the roll angle of the multi-point phase difference measurement system is within -50 to -40 degrees, and the pitch angle is within 30 degrees.

5. The multi-point level difference measurement system according to claim 4, characterized in that: The top plate also includes: a fault indicator light and a battery indicator light; the measurement host also includes: a power supply battery; The power supply battery is used to provide power for the multi-point level difference measurement system to operate normally; The fault indicator light is used to indicate the activation fault condition of the first measurement group and the second measurement group; The battery indicator light is used to indicate the charging and discharging status of the power supply battery.

6. The multi-point level difference measurement system according to claim 1, characterized in that: The measurement host further includes: a communication module; Wherein, a communication connection is established between the multi-point level difference measurement system and a remote terminal through the communication module, so as to transmit the actual level difference measurement value measured by the multi-point level difference measurement system to the remote terminal.

7. The multi-point level difference measurement system according to claim 4, characterized in that: The bottom plate also includes: an avoidance window and a mounting hole; Among them, the avoidance window is used to extend the protrusion of the device to be tested into the interior of the multi-point level difference measurement system; the mounting hole is used to fix the top plate, the shell, the measurement host and the bottom plate into an integrated device through firmware.

8. The multi-point level difference measurement system according to any one of claims 1 to 7, characterized in that: The housing further comprises: a USB interface; wherein the USB interface is used to provide charging, program upgrading and program debugging functions.

9. The multi-point level difference measurement system according to claim 6, characterized in that: In the case where the multi-point step difference measurement system adopts the error measurement mode, the measurement result determined by the remote terminal according to the actual step difference measurement value includes one of the following: normal measurement value, out of range and communication error.

10. The multi-point level difference measurement system according to any one of claims 1 to 7, characterized in that: The multi-point level difference measurement system includes at least four laser measurement windows; correspondingly, the multi-point level difference measurement system includes at least four laser sensors.

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