113 results about "Auto calibration" patented technology

The invention relates to the technical field of laser engraving, and discloses a laser engraving method and system capable of automatically correcting coordinates of a galvanometer and a camera, and the method comprises the following steps: calculating a target conversion coefficient based on a calibration size and a pixel size of an image collected by the camera, and controlling the galvanometer to perform laser etching on a cross mark on the surface of a PCB (Printed Circuit Board), recording origin data of a galvanometer coordinate system; adjusting the position of the camera to enable the cross center of the view of the camera to coincide with the cross mark, and calculating the coordinate offset; coordinate space transformation is carried out on all the points to be machined, and galvanometer marking coordinate data are obtained; after laser engraving is carried out on the galvanometer marking coordinate data, an engraving area image is collected, the position residual error and the size proportion deviation are calculated, laser engraving is carried out again, and a laser engraving result is obtained. The technical problem that the visual positioning coordinate and the galvanometer marking coordinate in the laser engraving system are not consistent is effectively solved.

The invention provides an external parameter calibration method and device and electronic equipment, and the method can obtain image data collected by a camera and point cloud data collected by a laser radar, and calculates a predicted external parameter calibration parameter between the camera and the laser radar based on the image data and the point cloud data. And calculating an external parameter error value based on the predicted external parameter calibration parameter and the current external parameter calibration parameter. And when the external parameter error value satisfies a correction condition, extracting a visual semantic feature of the target object in the image data and a point cloud semantic feature of the target object in the point cloud data, and calculating a matching error value of the visual semantic feature and the point cloud semantic feature. And constructing a graph optimization framework based on the matching error value and the external parameter error value, solving a target external parameter calibration parameter corresponding to the minimum matching error value based on the graph optimization framework, and updating the current external parameter calibration parameter into the target external parameter calibration parameter. According to the method, the external parameter calibration parameter change between the camera and the laser radar can be automatically monitored, and the external parameter calibration parameter can be automatically corrected.

The invention discloses an automatic calibration method and system for a mining laser gas detector, and relates to the technical field of instrument calibration. The method comprises the following steps: dividing detection beam parameters into measurement beam parameters and reference beam parameters; enabling the measurement light beam parameter to penetrate through the to-be-measured gas area to obtain a measurement signal, and enabling the reference light beam parameter to penetrate through the reference gas chamber to obtain a reference signal; performing photoelectric conversion calculation on the reference signal to obtain a gas concentration detection value; the gas concentration detection value is compared and analyzed with a reference data value according to the central wavelength position of the mining laser gas detector, and a calibration unit is activated according to a comparison result; and automatically correcting the mining laser gas detector, generating a correction parameter set, calculating a measurement signal, and generating a concentration value of the gas to be detected. The technical problems of low calibration efficiency and unstable calibration precision of the mining laser gas detector in the prior art are solved, and the technical effects of realizing automatic calibration of the mining laser gas detector and improving the calibration efficiency and precision are achieved.

The invention discloses a self-adaptive system for industrial line-scan digital camera imaging, and relates to the technical field of imaging calibration, and the system comprises a machine vision collection module which is used for obtaining an image obtained by collecting a detected object through an industrial line-scan digital camera in a continuous steel belt production detection process; the control algorithm module is used for analyzing the image to obtain an analysis result; the communication control module is used for generating a target instruction for controlling the three-dimensional electric adjusting structure to move according to the analysis result; and the electrical structure adjusting module is used for adjusting the moving state of the three-dimensional electric adjusting structure according to the target instruction, so that the industrial line-scan digital camera acquires the image of the measured object at the target position. According to the invention, the control algorithm module performs optimization in real time according to the adjusted state while automatic correction is performed, the quality of the output image is ensured, and when the quality of the output image meets the design requirement, self-adaption is stopped.

The invention provides a laser, inertia and image recognition combined calibration method and system. Comprising the following steps: setting a parameter calibration checkerboard on a marble platform for detection, and leveling the parameter calibration checkerboard; carrying out inertial navigation IMU static parameter calibration and inertial navigation IMU dynamic parameter calibration on the inertial navigation IMU, and correcting an inertial navigation IMU error; irradiating laser spots of a laser into the parameter calibration checkerboard, shooting the parameter calibration checkerboard from different angles through a machine vision camera, and obtaining a parameter calibration checkerboard photo set; and joint calibration of parameters of a machine vision camera, an inertial navigation IMU and a laser is carried out, and automatic correction of external parameters of various precise positioning measuring instruments and high-precision measurement of local space are realized.

The invention discloses a time correction method and system and a readable storage medium, and relates to the technical field of digital control systems of nuclear power stations. Comprising the following steps: a target device analyzes received timing data to obtain reference time; after the target device obtains the reference time, the system time of the embedded operating system in the target device is obtained; and the target device corrects the system time of the embedded operating system in the target device based on the reference time. Therefore, according to the time correction method, the time correction device is introduced to synchronously send the time correction data to each target device in the distributed control system of the nuclear power station, and the system time of the embedded operating system is automatically corrected based on the unified reference time; the consistency of the system time of multiple target devices in the distributed control system of the nuclear power station is ensured, the precision, efficiency and reliability of time synchronization are remarkably improved, and a powerful guarantee is provided for safe and stable operation of the nuclear power station.

An audio system is provided. The audio system includes a plurality of loudspeakers and a mobile device. The plurality of loudspeakers is capable of being positioned in a listening environment and being arranged to transmit an audio signal in the listening environment. Each loudspeaker is programmed to determine angle information of the audio signal as received at the loudspeaker relative to other loudspeakers of the plurality of loudspeakers and to transmit a first signal indicative of the angle information. The mobile device is programmed to receive the first signal from each of the loudspeakers and to determine a location for each loudspeaker in the listening environment based at least on the angle information.

An audio system is provided. The audio system includes a plurality of loudspeakers and a mobile device. The plurality of loudspeakers is capable of being positioned in a listening environment and being arranged to transmit an audio signal in the listening environment. Each loudspeaker is programmed to determine angle information of the audio signal as received at the loudspeaker relative to other loudspeakers of the plurality of loudspeakers and to transmit a first signal indicative of the angle information. The mobile device is programmed to receive the first signal from each of the loudspeakers and to determine a location for each loudspeaker in the listening environment based at least on the angle information.

The present invention relates to the technical field of image recognition, and discloses a multi-commodity automatic calibration recognition method and an intelligent self-service cash register. The steps of the method include: extracting the front image of a commodity from the commodity image; identifying the label area and selecting associated feature points for each label area; segmenting the commodity area from the front image of the commodity; determining the associated commodity area of each label area; extracting the side image of the commodity and determining the associated commodity area of each label area in the side image of the commodity; reconstructing the three-dimensional model of the commodity; scanning the label area to obtain commodity information, and verifying the commodity information based on the gravity sensor and the three-dimensional model of the commodity. The present invention not only improves the accuracy and settlement efficiency of commodity recognition, but also improves the user experience, enhances the security and reliability of the system, and provides a more efficient, convenient and reliable self-service cash register solution.

The invention discloses lining press-fitting equipment for cylinder cover machining, and relates to the technical field of press-fitting equipment, the lining press-fitting equipment comprises a material changing box, a supporting frame and a press-fitting box, and a press-fitting assembly and an offset detection system are arranged in the press-fitting box. During working, the cover cap is fixed by the clamping assembly, and the lining is supported by the calibration assembly; the press-fitting process is divided into two stages: in the first press-fitting process, the deviation detection assembly monitors the position of the bushing in real time through gas circuit linkage, and once deviation occurs, the clamping assembly is triggered immediately to release the press-fitting column, operation is interrupted, and the calibration assembly is started to reset the bushing; and if the secondary press-fitting deviates again, the alarm assembly triggers an alarm. The problem of workpiece damage caused by deviation in traditional press fitting is solved, and through real-time detection, automatic correction and grading alarm mechanisms, the press fitting precision and the product percent of pass are remarkably improved, and the waste product cost is reduced.

The invention discloses a method for automatically correcting position deviation of a camera and a nozzle. The method comprises the following steps: step 1, parameter configuration; a second step of starting correction; 3, on a shaft perpendicular to the working plane, the mechanical coordinates of the nozzle during glue discharging are calculated; 4, glue is discharged from a nozzle; step 5, photographing by a camera; 6, calculating the pixel deviation between the pixel center of the glue point and the pixel center of the camera; 7, calculating a mechanical coordinate where the mechanical center of the camera coincides with the mechanical center of the glue point; 8, calculating the mechanical deviation between the nozzle mechanical center and the camera mechanical center, and completing the calibration; according to the method, the glue point center is identified through a visual image algorithm, so that errors caused by human factors are reduced, and the final process precision is improved.

The invention discloses an automatic correction four-segmentation guide and guard device, and relates to the technical field of guide and guard, the automatic correction four-segmentation guide and guard device comprises a frame body and a limiting groove, a top frame is arranged on one side of the top of the frame body, an auxiliary assembly used for automatically correcting a guide and guard piece is arranged in the top frame, and the auxiliary assembly comprises a first hydraulic rod, a displacement sensor and an adapter block; and a switching block is installed at the output end of the first hydraulic rod, a displacement sensor is arranged on one side of the end of the switching block, and a guiding assembly used for assisting guiding and guarding is installed at the bottom of the displacement sensor. According to the four-segmentation guide and guard device with the automatic correction function, through the design of an auxiliary assembly and a guide assembly, when a displacement sensor monitors that the position of a longitudinal guide roller moves, the position of the longitudinal guide roller can be adjusted through the design of a first hydraulic rod and an adapter block in cooperation with the design of a ball seat and a mounting rod, and through automatic correction of the position, the automatic correction function is achieved. Therefore, the object in the guiding and guarding process is always kept at the correct position, and follow-up accurate slitting of the guided and guarded object is facilitated.

The invention is suitable for the technical field of door lock control, and provides a motor control method and device, a door lock and a storage medium, and the method comprises the following steps: obtaining the initial reset time by obtaining the reset time of a motor currently set in the door lock, and determining the idle period of the motor in the working process; the initial reset time is calibrated according to the idle period of the motor in the working process to obtain target reset time, and finally the motor is controlled to execute reset operation according to the target reset time, so that the reset position of the motor falls within the preset position range of the idle stroke of the motor. According to the embodiment, the reset time of the motor can adapt to the actual use condition, the reset stroke distance drift of the motor caused by objective factors can be automatically corrected, the situation that the motor cannot be accurately reset is reduced, the situation that the function of the door lock is abnormal is effectively reduced, and the use experience of a user is improved.

The invention relates to the technical field of oil exploitation, in particular to an iron roughneck coupling height identification method and system, and the method comprises the steps: inputting a received first original image into a drilling tool detection model through an identification module, and obtaining the actual heights of a male buckle and a female buckle; the iron roughneck central control module generates a control instruction according to the actual height of the female buckle and the second corresponding relation, sends the control instruction to the iron roughneck, and obtains the actual height of the calipers according to the detected lifting height of the iron roughneck and the initial height of the calipers; the identification module judges whether the calipers of the iron roughneck are in place or not according to the actual height of the calipers, the actual height of the male buckle, the actual height of the female buckle and preset judgment logic; if not in place, a lifting or descending instruction is given to the iron roughneck center control module according to the actual situation, and then detection is repeated until in place. The device has the beneficial effects that the operation frequency of workers in a dangerous environment is reduced through intelligent caliper position adjustment and an automatic correction mechanism, the safety risk in operation is reduced, and the labor cost is reduced.

The invention discloses a method for automatically calibrating a suction nozzle of a high-speed chip mounter without shutdown, which is characterized in that a suction nozzle correction station is additionally arranged beside a suction nozzle exchange station of the high-speed chip mounter, and a correction sheet placed at a starting position is placed at the suction nozzle correction station; after the upper computer program detects that the suction nozzle exchange station completes the action of replacing the suction nozzle, the upper computer program automatically corrects the newly replaced suction nozzle through the correction function without shutdown, automatically switches to a mounting working state and automatically compensates and calibrates the newly replaced suction nozzle in real time; after the suction nozzles are replaced, the high-speed chip mounter automatically corrects the newly-replaced suction nozzles in a full-automatic non-stop mode, operator intervention or manual operation is not needed, shutdown is not needed in the high-speed chip mounting process, the original working state is automatically switched to and the original mounting work continues after the suction nozzles are corrected, the correction process is full-automatic, simple, convenient and rapid, and the efficiency is high. The correction speed is fast, and the efficiency is improved.

The present invention discloses a fast composite polarization system and method capable of real-time self-calibration, which includes a PSA composed of 2 liquid crystal variable phase retarders and 1 polarizer, a PSG composed of 1 turntable, a quarter achromatic waveplate and 1 polarizer, a collimating lens, a condenser lens, a light source and a detector. Two detection windows are provided at the sample to be measured in the system. One window is for placing the sample to be measured, and the other window is for air. The light beam emitted by the light source is collimated by the collimating lens, and the collimated light beam enters the PSG. The light beam generates various set polarized lights through the PSG. The polarized light enters the detection window. Part of the light passes through the window of the sample to be measured, carrying the polarization information of the sample to be measured, and the other part passes through the air window. Then the two light beams are analyzed by the PSA and finally detected by the detector through the condenser lens. The present invention can accelerate the polarization measurement speed and achieve automatic system calibration after each measurement, realizing fast and high-precision polarization detection.

The application discloses a kind of automatically corrected material transfer line, by stop block in material correction operating state, the line speed of operation is less than the line speed of first conveying line, to form line speed difference, and then make the first conveying line can carry material and correct against stop block, reduce the possibility of material deviation, improve the accuracy of material conveying, while also without affecting the processing tempo of whole production line.Compared with the guardrail for limiting material deviation being arranged on the both sides of conveying line, the present application can better adapt to materials of different sizes and shapes, increase the versatility and flexibility of the transfer line.The automatic control system reduces the need for manual intervention and reduces the complexity of operation;Meanwhile, compared with complex correction devices such as mechanical arm, the structure of the present application is relatively simple, easy to install, debug and daily maintenance, and low in cost.

The application discloses a kind of intelligent three-dimensional parking equipment with automatic correction, it is related to three-dimensional parking equipment technical field, including three-dimensional pillar, and three-dimensional pillar is provided with three-dimensional parking space frame;The bottom of the three-dimensional parking space frame is connected with servo motor, and the lower side of the three-dimensional parking space frame is provided with the rotating support plate connected with the main shaft of servo motor.The vehicle is poured into three-dimensional parking space, if car body is inclined to enter, then one of rear wheels first touches one sliding limit block on back baffle, causes the deflection of rotating plate relative to back baffle, so it will cause one side first pressure sensing switch to be extruded, so servo motor drives rotating support plate to rotate according to setting direction, to drive vehicle to automatically align.

The utility model discloses a single-side and double-side crimping aging platform deck, which is used for solving the cost problem caused by the existing double-side crimping pallet and improving the compatibility. The device comprises an adsorption carrying table, an automatic correction pressure head mechanism, a supporting platform, a PG fixing frame and a carrying table damping mechanism. The adsorption carrying table is fixed above the supporting platform, the carrying table damping mechanism is fixed below the supporting platform, the PG fixing frame is arranged in the supporting platform, and the PG fixing frame is used for fixing aged PG equipment and computer equipment. The PG equipment, the computer equipment, the adsorption carrying table and the automatic correction pressure head mechanism are electrically connected with one another; and the automatic correction pressure head mechanisms are fixed on the supporting platform, are respectively positioned at two ends of the adsorption carrying table, and are controlled to move to press and connect the product jig on the adsorption carrying table.

The present invention discloses an automatic error correction system, which is applicable to calibrating the pointer in an instrument system. It includes a pointer, a transmission structure, an MCU controller, an optocoupler and a stepping motor module; the transmission structure has a pointer gear, the pointer is installed on the transmission gear, and the stepping motor module is controlled by the MCU controller and drives the transmission structure to drive the pointer to rotate forward or backward; the MCU controller correspondingly inputs positive and reverse pulse currents to the stepping motor module, and at the same time controls the optocoupler to turn on, so that the pointer rotates forward and backward to the zero position to achieve forward and reverse zero calibration. Thus, the present invention realizes the two-way calibration of the pointer in the forward and reverse directions to ensure the accuracy of the pointer operation and achieve automatic error correction.

A shuttle changing device and an automatic calibration method, relating to the technical field of shuttle changing devices. The shuttle changing device comprises: a large rotating arm, which is arranged on a template machine frame; a small rotating arm, which is rotatably arranged at the tail end of the large rotating arm, the tail end of the small rotating arm being provided with a lower mechanism; a detection mechanism, which is used for detecting the rotation positions of the large rotating arm and the small rotating arm; and a control system, which is connected to the shuttle changing mechanism and the detection mechanism. The shuttle changing device solves the technical problem that when a template machine frame deforms during movement or transportation, the position of a shuttle changing device mounted on the template machine frame changes accordingly, resulting in deviations in shuttle picking and placing positions, thereby reducing the shuttle changing success rate or even rendering the device unusable. On the basis of detection signals of a first calibration sensor and a second calibration sensor, the control system controls the shuttle changing mechanism to adjust the positions of the large rotating arm and the small rotating arm, thereby ensuring the absolute positions of the large rotating arm and the small rotating arm, realizing automatic correction of the shuttle changing mechanism, and ensuring the shuttle changing success rate.

This utility model provides an automatic shaft and collar alignment device, relating to the field of machining technology. It includes an alignment station and a conveying station. The alignment station has a workpiece base and an alignment device for radially tightening the ring-shaped workpiece. The alignment device includes several openable or closable support blocks, a cooperating screw, and a drive mechanism. The conveying station has a clamping assembly, including a lifting platform, a laterally sliding guide plate, a gear motor, and a clamp for gripping the ring-shaped workpiece, achieving automatic conveying and positioning of the workpiece. The alignment device includes a linkage mechanism consisting of a housing, a guide sleeve, a guide member, a moving block, and a transmission rod. The screw rotation drives the support blocks to radially expand or contract, completing the automatic alignment of the ring-shaped workpiece. This device has a reasonable structure, is highly efficient in operation, and is suitable for the automatic positioning and alignment of shaft and collar workpieces, significantly improving the level of automation and alignment accuracy.

The utility model discloses an automatic correcting and positioning mechanism for substrate detection, comprising a bearing platform used for placing a substrate; the X-axis direction limiting assembly comprises two X-axis direction limiting plates capable of being opened and closed and is used for limiting the substrate in the X-axis direction; the Y-axis direction limiting assembly comprises two Y-axis direction limiting plates capable of being opened and closed and is used for limiting the substrate in the Y-axis direction; the bearing platform is provided with long slotted holes for a plurality of connecting rods to penetrate through, and the connecting rods are connected with the X-axis direction limiting plate and the Y-axis direction limiting plate respectively. The limiting blocks in the X-axis direction and the Y-axis direction are arranged on the bearing platform, the limiting blocks in the X-axis direction and the Y-axis direction can be independently driven by the motor to move, the positions are automatically switched according to the specification of the circuit substrate, and the circuit substrate is accurately positioned; and during equipment model switching, manual participation is not needed in the midway, so that the labor cost is saved, and the working efficiency and the detection quality of equipment are improved.

The utility model provides a kind of automatic correction structure, including the support frame located in processing equipment outside, support frame is frame structure, support platform is provided on support frame, and correction component is provided on support frame and located the outside of support platform, correction component includes the fixed plate respectively set on the four corners of support frame, driving element is provided on each fixed plate, the output shaft end of driving element is provided with pressure element, the intersection point of the straight line of the output shaft of four driving elements coincides with the geometric center point of support platform, the utility model can be realized by the output shaft of synchronous starting driving element to the same length and push four pressure elements to carry out synchronous to the position of the board placed on support platform inside Automatic correction operation, greatly improve the accuracy and efficiency of correction, without on workbench or hoist workpiece reciprocating multiple times correction operation, greatly improve the efficiency of correction and processing.

The invention relates to the technical field of material handling equipment, in particular to a traveling crane traveling wheel running state automatic correction mechanism which comprises a cross beam located below two traveling beams and further comprises a first traveling mechanism, a second traveling mechanism, a detection mechanism, a hoisting mechanism and a balance mechanism. Each torque detector and one second gear are both installed on one first moving assembly, the torque detectors and the laser range finders are organically fused and integrated in a unified intelligent control system with a PLC, a frequency converter and other control devices, all-directional and multi-parameter real-time monitoring of the running state of the first walking wheel is achieved, and the running state of the first walking wheel is monitored in real time. The intelligent control system carries out comprehensive analysis processing on data collected by the sensor, parameters such as the rotating speed and the torque of the first driving motor and the height of the walking wheel are automatically adjusted according to the analysis result, and automatic correction and optimization of the running state of the traveling crane walking wheel are achieved.

The invention provides a clock monitoring system and method based on multi-parameter comprehensive monitoring and self-adaptive calibration, which are applied to the technical field of digital signal processing, and the method comprises a signal sampling module used for calling an analog-to-digital converter to collect clock signals in real time to obtain input clock data; the digital signal processing module is used for filtering the input clock data to obtain a plurality of target measurement data; the adaptive calibration module is used for comparing the multiple pieces of target measurement data with preset reference data to obtain a deviation value; dynamically generating a control instruction based on the deviation value, and driving a signal generator built in the error code test equipment to perform automatic correction through the control instruction to obtain an internal reference signal output by the signal generator; and the hardware locking module is used for performing high-speed comparison and locking on the input clock data and the internal reference signal through the phase-locked loop and the delay phase-locked loop. According to the invention, the state of the clock signal can be comprehensively and accurately mastered.

The invention provides a license plate automatic correction method and device based on big data, and the method comprises the steps: carrying out the local recognition and obtaining a first license plate of a vehicle, carrying out the cloud secondary recognition and obtaining a second license plate of the vehicle, judging whether the second license plate is the same as the first license plate or not, taking the first license plate as an entrance license plate of the vehicle if yes, and taking the entrance license plate as an exit license plate of the vehicle; otherwise, acquiring first entrance times of the first license plate and the second license plate in a second time period before and after the current time point in the latest first time period of the current parking lot, and determining the entrance license plate of the vehicle according to the first entrance times. The entrance license plate of the vehicle can be determined, so that the license plate recognition accuracy is improved, and the manual confirmation frequency is reduced.

The present disclosure provides a projector control method and apparatus. The projector control method comprises: determining whether a projector is located at a fixed position or not (S110); and adjusting a picture calibration mode of the projector on the basis of a determination result, wherein if the projector is located at the fixed position, the picture calibration mode is adjusted to a non-automatic calibration mode; and the non-automatic calibration mode refers to a mode in which an automatic picture calibration function of the projector is in a disabled state (S120). According to the present disclosure, when it is determined that the projector is located at the fixed position, the projector can adjust the picture calibration mode to the non-automatic calibration mode, and in this mode, the projector no longer performs automatic picture calibration upon startup, so that the energy consumption of the projector can be reduced to a certain extent. Moreover, even if dust accumulates on related sensors responsible for image calibration, the user experience would not be affected due to picture calibration failures, that is, the present disclosure can better improve the user experience of projectors.

The utility model discloses a fracturing downhole parameter monitoring device which comprises a three-component geophone and a placing circular plate which are detachably connected in sequence from top to bottom. The supporting base is of an L-shaped structure, the side wall of the supporting base is connected with the well wall of the fractured well through bolts, and the middle of the bottom wall of the supporting base is connected with the containing circular plate through an automatic correction assembly; the automatic correction assembly comprises a ball sleeve, the upper end and the lower end of the ball sleeve are each of an open structure, and the side wall of the ball sleeve is fixedly connected with the bottom wall of the supporting base through a connecting rod; the ball is rotatably arranged in the ball sleeve, the upper end of the ball is connected with the placing circular plate, the lower end of the ball is detachably connected with a plumb bob, and the center of the placing circular plate, the center of the ball and the axis of the plumb bob are collinear; by means of the characteristic that the placing circular plate, the ball and the plumb bob are coaxially arranged, automatic horizontal correction is carried out on the placing circular plate supporting the three-component geophone; therefore, the three-component geophone calibration device can play a role in quickly calibrating the three-component geophone.

The present invention relates to the technical field of water heater testing, and in particular to a method for testing the performance of a gas water heater, which includes a housing. On both side walls inside the housing, two guide rail grooves are symmetrically formed. A sliding strip is slidably connected inside the guide rail grooves. A driving mechanism is arranged inside one of the guide rail grooves, and the driving mechanism is used to drive the sliding strip to slide inside the guide rail groove. A clamping box is horizontally arranged between the two sliding strips. One end of the clamping box is fixed with a rotating shaft, and both ends of the rotating shaft are respectively rotatably connected to the side walls of the corresponding sliding strips. A guiding mechanism is arranged at the other end of the clamping box, and a calibration clamping mechanism is arranged on the top surface of the clamping box; in this solution, the water heater is clamped by the calibration clamping mechanism and the position of the water heater is automatically corrected synchronously, so that the water heater is kept horizontal with the inner wall of the housing, and the position of the water heater is automatically and synchronously adjusted during the clamping process, which is beneficial to saving the time for manually adjusting the clamping position, thereby facilitating the acceleration of the detection process.