130results about How to "Guarantee factory quality" patented technology

The invention relates to a motor test system, which comprises a test controller, an inverter, a power tester, a rotating speed and torque sensor, a direct-current voltage stabilization power supply cabinet and a personal computer (PC). The invention also provides a method for testing a motor for an electric vehicle based on the test system. According to the test method, a whole rack test system is controlled through controller area network (CAN) communication; a rotating speed and torque measurement command is sent based on standard test data; rotating speed and torque data is fed back in real time by the rotating speed and torque sensor; and the feedback data is compared with standard data to judge whether the external characteristic of the motor is qualified. By the test system and the test method, the external characteristic of the tested motor can be detected accurately and efficiently, so that the delivery quality of the motor can be guaranteed; furthermore, the test process is high in automation degree and precise in test; and the method is easy to operate and low in cost, and has very wide application prospect.

The invention provides an intelligent self-checking method for an air conditioner. Firstly, under the condition that the air conditioner is electrified, a self-checking key is pressed down to enable the air conditioner to enter a self-checking mode, a buzzer sounds to confirm that the self-checking is started at the moment, each load begins to act, and according to software functional setting, the air conditioner outputs all of load information, including a display screen, a fan, a pressing machine, a fan, temperature signals and the like, in a sequence at intervals; and when the air conditioner quits the self-checking mode, all of input/output feedback information is collected, and if a fault appears, the air conditioner represents the fault in the form of the combination of a fault code and a buzzing alarm, and displays through an LED lamp and the fault code, so that a worker can rapidly find out the fault root according to the self-checking fault indication code and remove the fault to enable the air conditioner to return to the normal running state.

The invention provides a test tool for a steel plate spring suspension system and a test method thereof. The test tool mainly comprises an iron floor, a gantry frame, various brackets and four servo hydraulic systems, wherein the iron floor is used for fixing the steel plate spring suspension system; the four servo hydraulic systems are used for applying loads to the steel plate spring suspension system. During testing, the four servo hydraulic systems are used for applying vertical, transverse and longitudinal loads to the steel plate spring suspension system, and two of the servo hydraulic systems are used for applying vertical loads. According to the test tool for the steel plate spring suspension system, a road test signal driving spectrum can be input through a control system, and the four servo hydraulic systems are controlled to apply loads to the steel plate spring suspension system in order to simulate the stress condition of the steel plate spring suspension system in an actual road test process, so that test data have good reference and are used for testing fatigue features of parts to be tested, and a reliable test measure is provided for the development and test verification of parts.

The invention relates to a loudspeaker testing device which comprises a travel control mechanism, a testing mechanism, a screening mechanism and a control mechanism, wherein the travel control mechanism is used for guide and travel control of to-be-tested loudspeakers coming from the upstream of a conveying belt; the testing mechanism is arranged on the downstream of the travel control mechanism and used for testing the to-be-tested loudspeakers; the screening mechanism is arranged on the downstream of the testing mechanism and used for screening qualified loudspeakers and defective loudspeakers; and the control mechanism is used for controlling the travel control mechanism, the testing mechanism and the screening mechanism. The loudspeaker testing device is high in production efficiency and capable of automatically performing online testing for the loudspeakers.

The invention discloses a buffer type conveyor line which mainly comprises a support and an oblique track. The oblique track is positioned on the upper side of the support and comprises a guide rail and two identical barriers, the barriers are fixed to the upper side of the guide rail, a plurality of identical buffer devices are arranged between the two barriers, are positioned on the same straight line and are uniformly arranged along the oblique direction of the guide rail, each buffer device comprises a rotary shaft, a buffer plate and a torsional spring, two ends of each rotary shaft are respectively fixed onto the two barriers, each buffer plate is hinged to the corresponding rotary shaft, each torsional spring is positioned at a hinged joint of the corresponding buffer plate and the corresponding rotary shaft, and limiting stoppers are arranged on the buffer plates, cling onto the barriers and are matched with fixing pins on the barriers. The buffer type conveyor line has the advantages that rolling speeds of steel balls can be effectively reduced, accordingly, collision damage to the steel balls due to the fact that the steel balls enter collecting grooves at excessively high speeds can be prevented, the quality of the steel balls can be guaranteed when the steel balls are delivered from factories, loss can be reduced for enterprises, resources can be saved, and the buffer type conveyor line is wide in service range.

The invention discloses a steel ball receiving tank. The steel ball receiving tank mainly comprises a guide rail, a receiving tank body and a supporting frame. The two ends of the guide rail are connected to the top end of the supporting frame and the sidewall of the receiving tank body in a lap joint mode respectively. The guide rail comprises an inclined plate and two supporting plates. Two identical blocking devices are arranged on the inclined plate in the inclining direction. The two blocking devices are located in the same straight line. Each blocking device comprises a fixed block, a check block and a compression spring, wherein the fixed block is fixed to the bottom of the inclined plate, the check block is hinged to the fixed block, and the two ends of the compression spring are fixed to the inclined plate and the rear end of the check block respectively. Strip-type through holes are formed in the inclined plate and correspond to the front ends of the check blocks. The front ends of the check blocks are connected into the strip-type through holes in an inserted mode. By the adoption of the steel ball receiving tank, the rolling and falling speed of steel balls can be effectively decreased, the situation that the steel balls collide with one another and are damaged due to the fact that the speed of the steel balls falling into the receiving tank body is too high is avoided, the outgoing quality of the steel balls is guaranteed, loss is reduced for an enterprise, resources are saved, and the application range is wide.

The invention discloses a feeding mounting device of a releaser. The feeding mounting device comprises a vertical tube seat vibration plate, an ejection rod vibration plate, a main workbench, a rotary table, a vertical tube seat rotating structure, an upper valve seat transfer assembly robot, an upper valve seat assembly fixing robot and a finished product taking robot, wherein an upper valve seat loading robot, a vertical tube seat loading robot, an ejection rod loading assembly robot and an upper valve seat initial assembly fixing robot are arranged on the main workbench; a plurality of temporary fixtures are arranged on the rotary table, and a vertical tube seat accommodating groove and an upper valve seat accommodating groove are formed in each temporary fixture; a first vertical through hole communicating with each vertical tube seat accommodating groove is formed in the lower end of the vertical tube seat accommodating groove, and a second vertical through hole communicating with each valve body accommodating groove is formed in the lower end of each upper valve seat accommodating groove; and the vertical tube seat rotating structure comprises a rotary clamp head, an assembly motor and an assembly cylinder. The feeding mounting device has the beneficial effects that the structure is reasonable, the releaser can be assembled effectively, the automation degree is high, the assembly efficiency is high, and the effect is good.

The invention provides an on-line self-diagnosis control method for a heat pump water heater and an on-line self-diagnosis control device of the heat pump water heater, and relates to quality detection control method and device by means of a fluid heater of a heat pump. A heat pump water heater controller is utilized to obtain variable working condition operation actually-measured data, the variable working condition operation actually-measured data are compared with variable working condition operation essential data in a database, and automatic on-line quality detection of the whole heat pump water heater is achieved. The on-line self-diagnosis control device comprises a data analysis unit, a quality testing control terminal, an environment temperature detection module, a heat pump water heater interface unit, a high-pressure side pressure detection module, a low-pressure side pressure detection module, a power supply electric energy detection module and a water volume detection adjusting module. The quality testing control terminal and the environment temperature detection module are connected to the data analysis unit, and the data analysis unit is connected to a database management system. A heat pump water heater variable working condition operation database is set to automatically diagnose whether products are qualified or not, so judgments are more accurate, the quality of the whole heat pump water heater can be guaranteed, and meanwhile cost of quality testing of the products can be greatly reduced.

A method for detecting instrument of intelligent instrument detection unit includes connecting intelligent instrument in series between test desk and computer, reading in measuring data and switching state to computer under communication and interface protocol, comparing measured data with setting data for judging whether measured data is in specified range or not.

The invention relates to an assembly device for a servo motor rear flange cover. By means of the assembly device for the servo motor rear flange cover, the problems of low working efficiency, poor assembly quality and low reliability during manual assembly of the servo motor rear flange cover in the prior art are mainly solved. The assembly device for the servo motor rear flange cover comprises arack, an operation panel, an electrical cabinet and feature mechanisms; the operation panel is installed on the top of the rack, the electrical cabinet is installed at the bottom of the rack, and thefeature mechanisms are installed on the upper portion of the electrical cabinet; the feature mechanisms comprise a bearing feeding assembly mechanism, an O-shaped ring feeding assembly mechanism, an O-shaped ring detection mechanism, a bearing assembly detection mechanism and a rotary workbench mechanism; and the bearing feeding assembly mechanism, the O-shaped ring feeding assembly mechanism, theO-shaped ring detection mechanism and the bearing assembly detection mechanism are sequentially arranged in the rotation direction of the rotary workbench mechanism. By means of the technical scheme,the problems are well solved, and the assembly device can be used for assembling the servo motor rear flange cover.

The present invention discloses a method for online recognition of deviation of a strip steel in a furnace. The method comprises: 1) collecting multiple strip steel images including a strip steel edge position; 2) adopting an attention selection method to treat the collected strip steel images to obtain the significant feature pictures of the strip steel images, wherein the significant feature pictures comprise the edge position information of the strip steel; 3) carrying out a gray stretching treatment on the significant feature pictures, and then carrying out a binaryzation treatment, wherein all the taken values in the value taking range are adopted to calculate the corresponding classes square error r2 so as to determine the first optimal gray threshold T1 and the second optimal gray threshold T2, the pixels in the pictures requiring the binaryzation treatment are divided into the target class, the background class and the interference class according to the first optimal gray threshold T1 and the second optimal gray threshold T2, the gray value of the target class pixels is set to 1, and the grey values of the background class pixels and the interference class pixels are set to 0; and 4) judging whether the deviation of the edge position of the strip steel in the binaryzation picture is more than the preset value. The technical scheme has characteristics of easy and accurate use.

The invention relates to the technical field of automatic mechanical apparatuses, and concretely relates to a visual automatic detection system. The visual automatic detection system comprises a visual automatic detection device body (1), the device body (1) comprises a first camera (2) arranged at the upper part of the device body (1) and used for shooting, detecting and collating pictures of a bridge welding spot, the bottom of the device body (1) is provided with a lifting and rotating unit (3) for lifting and rotating a workpiece (9) to be detected, and the lifting and rotating unit (3) comprises a lower lifting cylinder (4) and an upper rotating platform (5). The detection method of the automatic visual inspection device has a higher detection efficiency than the prior art, and the detection device can automatically shoot and analyze the product and directly output a detection result without artificial intervention, so the defects of low efficiency and high misjudgement rate of traditional human eye detection are overcome in the invention.

The invention relates to the technical field of rotor detection, in particular to a detection method for a motor rotor and detection equipment thereof. The detection equipment is characterized in thatthe detection equipment comprises a circular run-out detection device, a distance detection device, a rotor binding force detection device, a displacement detection device and a rotor dynamic balancetesting machine in sequence according to a preparation sequence. According to the invention, the innovation and the practicability are high, and the popularization is easy.

The invention discloses a static-pressure sealing detection device of an automobile water pump water seal. The static-pressure sealing detection device comprises a support mechanism, an opening/closing mechanism, a material pushing mechanism and a detection mechanism, wherein the opening/closing mechanism and the material pushing mechanism are both connected to the support mechanism, the material pushing mechanism is connected under the opening/closing mechanism, and the detection mechanism is connected with an opening/closing film mechanism. By adopting the structure, since the water pump water seal is subjected to the static-pressure sealing performance detection through the static-pressure sealing detection device, the outgoing quality of the water pump water seal is ensured, the abandonment of the whole water pump caused by the water leakage of the water pump water seal can be avoided, the service life of the water pump can be ensured, and the cost can also be greatly lowered.

The invention relates to an assembling method of a rear flange cover of a servo motor, and mainly solves the problems of low efficiency, poor assembling quality and low reliability when the rear flange cover of the servo motor is manually assembled in the prior art. An assembling device of the rear flange cover of the servo motor includes a rack, an operation panel, an electrical cabinet and a characteristic mechanism; the operation panel is mounted at the top of the rack, and the electrical cabinet is mounted at the bottom of the rack; and the characteristic mechanism is mounted above the electrical cabinet, and the characteristic mechanism comprises a bearing feeding assembling mechanism, an O-ring feeding assembling mechanism, an O-ring detecting mechanism, a bearing assembling and detecting mechanism and a rotating working table mechanism. According to the technical scheme, the bearing feeding assembling mechanism, the O-ring feeding assembling mechanism, the O-ring detecting mechanism, the bearing assembling and detecting mechanism are arranged on the rotating working table mechanism in the rotating direction, so that the problems are solved well, and assembly for the rear flange cover of the servo motor can be achieved.

The invention discloses a firebrick measuring system based on machine vision, and the system includes a firebrick measuring device based on machine vision and a firebrick measuring method based on machine vision. An outline form geometry size of the firebrick can be detected without painting a measured end face, and surface scratch information, depth defect information and a surface inclination angle of the firebrick can be obtained by the firebrick measuring system based on the machine vision.

The invention discloses a mechanical drying device for biomass particle production. The mechanical drying device comprises a supporting frame, wherein a drying and screening device capable of uniformly drying straw particles gathered into a cluster is arranged at the top of the supporting frame; the drying and screening device comprises an outer drying cylinder located at the top of the supportingframe; a feeding and screening device is arranged inside the outer drying cylinder; a supporting plate is arranged on the outer side of one end of the supporting frame; a drying device is arranged atthe top of the supporting plate; the bottom of the outer drying cylinder is an inclined surface; and a discharging port is formed in the inclined angle position of one end of the outer drying cylinder. According to the drying device for biomass straw particle production, the drying and screening device is additionally arranged on an original drying device so that the biomass straw particles can be uniformly dried, the dried straw particles can be screened, the shape after processing can be kept, and the outgoing quality of the straw particles is guaranteed; and the straw particles can be screened while being uniformly dried, and the shape integrity of the straw particles is guaranteed.

The invention discloses a production process of a shielding cover for electronic products, and relates to the technical field of electromagnetic shielding. The production process comprises the steps of base metal preprocessing, coating printing, baking, cooling and the like; in the baking process, the baking temperature is 180-220 DEG C and the baking time length is 3-5 min; from the beginning tothe end, the baking process comprises four stages in sequence: a first intermediate temperature stage, a high temperature stage, a second intermediate temperature stage and a secondary high temperature stage; and a baking temperature difference between any two adjacent stages is at least 10 DEG C. The production process of the shielding cover for electronic products is not only capable of improving the using performance of the metal shielding cover and prolonging the service life of the metal shielding cover, but also beneficial for improving the production efficiency and the product outgoingquality.

The invention discloses a simple and convenient, effective and practical method for checking the synthetic accuracy of a digital controlled machine tool, firstly cutting the testing material in a transverse cutting mode to manufacture a concave ball with steps, wherein as cutting, it can adopt three modes of cutting in the 45 deg. direction between X/Y axes, in the X-axis direction and in the Y-axis direction and also combine the threes modes for using; then obtaining the synthetic accuracy of the machine tool, according to the distribution of cutting lines and vibrating lines and the outline definition of step planes and transition circles. The method can accurately judge the actual processing accuracy and fineness of manufactured surface for the digital controlled machine tool, and has an extremely great value in the delivery inspection or acceptance inspection of the user for the digital controlled machine tool.

The invention discloses a useless electric mosquito mat detection system and method. The system comprises a voltage-stabilized source module, a synchronous signal collection module, a useless electric mosquito mat detection module, a single-chip microcomputer and a control alarming system module, wherein the input end of the voltage-stabilized source module is externally connected with the electric supply; the output end of the voltage-stabilized source module is connected with the power input ends of the synchronous signal collection module, the useless electric mosquito mat detection module, the single-chip microcomputer and the control alarming system module; the output ends of the synchronous signal collection module and the useless electric mosquito mat detection module are connected with the input end of the single-chip microcomputer; the output end of the single-chip microcomputer is connected with the input end of the control alarming system module. The useless electric mosquito mat detection system and method can automatically and effectively detect the phenomenon of useless electric mosquito mats in the production process; when an electric mosquito mat is missing or a useless one exists, an alarm is given out, the position is displayed, the yield of electric mosquito mats is greatly improved, waste of liquid is avoided, the outgoing quality of the electric mosquito mats is ensured, and good application prospects are achieved.