CN108731926B - Refrigerator door is experimental with incessant door operator of self-alignment - Google Patents
Refrigerator door is experimental with incessant door operator of self-alignment Download PDFInfo
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- CN108731926B CN108731926B CN201810346636.XA CN201810346636A CN108731926B CN 108731926 B CN108731926 B CN 108731926B CN 201810346636 A CN201810346636 A CN 201810346636A CN 108731926 B CN108731926 B CN 108731926B
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Abstract
The invention relates to the technical field of test equipment, and discloses a self-aligning uninterrupted door opening machine for a refrigerator door test, which comprises a fixed connecting device for fixedly testing a refrigerator, a door opening connecting device for connecting a refrigerator door, a power device which is fixed on the fixed connecting device and used for driving the switch connecting device, a non-intermittent power supply module for supplying power to the power device, and a self-aligning device for determining the installation position of the tested refrigerator. The invention can avoid the abnormal condition of power supply, provides stable and uninterrupted power supply, can effectively ensure the accuracy of the installation position of the refrigerator to be tested, better solves the matching problem of the opening and closing tracks of the refrigerator door, realizes the rapid matching of the refrigerators with various models, has convenient and rapid installation, can automatically and repeatedly open and close the upper door and the lower door of the refrigerator at the same time, has high safety and stability coefficient of equipment, low failure rate, difficult damage to the refrigerator, high automation degree, simple structure and low cost.
Description
Technical Field
The invention relates to the technical field of test equipment, in particular to a self-aligning uninterrupted door opener for a refrigerator door test.
Background
At present, automation equipment is applied more and more frequently in industrial production, and how to release workers from heavy work becomes a primary task for improving productivity. In the testing of the hinges of the refrigerator door, the tedious work of repeatedly opening and closing the door is faced. At present, the action of repeatedly opening and closing the door is mainly completed manually, the work is complicated and tedious, and the testing efficiency is low.
The existing refrigerator door opening mechanism cannot be well matched with various types of refrigerators, is also poor in structural stability, frequently causes various faults of equipment per se in a batch of tests which are as long as tens of thousands of times in the process of endurance tests, such as sucker dropping and mechanical arm abrasion, and has the problems of overlarge door opening and closing force, uneven force application point, poor adjustability, incapability of well matching with refrigerator doors and the like, and the safety and stability coefficient of the equipment is low.
Simultaneously in communicate the in-process discovery with refrigerator test personnel, current refrigerator door operator rocking arm movement track and the unable better matching of refrigerator door switch orbit, the existence of orbit error leads to rocking arm appearing in the experimentation, the sucking disc drops even phenomenon of striking with the refrigerator door, thereby it is compelled to stop to test, need install again, appear even because the orbit error leads to the refrigerator hinge to appear abnormal damage, current door operator still has the sucking disc can't freely at the whole door surface adjusting position of refrigerator simultaneously, the arm of force atress that leads to the inhomogeneous arouse of refrigerator door atress leads to the power damage, the simultaneous switch door of door is experimental about also can't realizing simultaneously, can't match now more and more models, possess the refrigerator door of different structure outward appearance, need to improve promptly.
In addition, the refrigerator door test is generally more than ten thousand times, the test period is longer, the power failure risk is larger, the power failure risk capability of the existing door opening machine is insufficient, and improvement is urgently needed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the self-aligning uninterrupted door opener for the refrigerator door test, which can avoid the abnormal condition of power supply, provide stable and uninterrupted power supply, effectively ensure the accuracy of the installation position of the tested refrigerator, better solve the matching problem of the opening and closing tracks of the refrigerator door, realize the quick matching of the refrigerators with various models, realize the convenient and quick installation, realize the automatic repeated opening and closing of the upper door and the lower door of the refrigerator, have high safety and stability coefficient of equipment, low failure rate, difficult damage to the refrigerator, high automation degree, simple structure and low cost.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides a self-aligning uninterrupted door opening machine for a refrigerator door test, which comprises a fixed connecting device for fixedly testing a refrigerator, a door opening connecting device for connecting a refrigerator door, a power device, a non-intermittent power supply module and a self-aligning device, wherein the power device is fixed on the fixed connecting device and used for driving the door opening connecting device;
the fixed connecting device comprises a base, a plurality of fixed suckers, fixed sucker connecting rods, two supporting frames and a square frame, wherein the fixed suckers are used for being adsorbed on two side walls of the test refrigerator;
the door opening connecting device comprises a plurality of door opening suckers adsorbed on the refrigerator door, a door opening connecting rod used for fixing the door opening suckers, and a connecting frame used for connecting the door opening connecting rod and the fixed connecting device; the connecting frame comprises a plurality of L-shaped horizontal supports and a framework vertically and fixedly connected at the turning points of the L-shaped horizontal supports, the L-shaped horizontal supports are provided with first long holes with the extending direction being the horizontal direction, and the door opening connecting rod is vertically arranged on two adjacent L-shaped horizontal supports and can adjust the position along the direction of the first long holes;
the power device comprises an air pump, an upper pneumatic motor and a lower pneumatic motor, wherein the upper pneumatic motor and the lower pneumatic motor are respectively arranged at the opposite corners of the square frame and the base, and the lower pneumatic motor is embedded in the base and is flush with the surface of the base;
the connecting frame is fixedly connected to the rotating shafts of the upper pneumatic motor and the lower pneumatic motor, the central lines of the rotating shafts of the upper pneumatic motor and the lower pneumatic motor are positioned on the same straight line, and the connecting frame is driven to rotate back and forth through the rotation of the upper pneumatic motor and the lower pneumatic motor;
the uninterrupted power supply module comprises a circuit control module, a commercial power module and a storage battery module, wherein the circuit control module comprises a commercial power storage battery power supply conversion module, an inverter module, an output rectifying and filtering module and a charging control module, and the commercial power storage battery power supply conversion module is used for being connected to the storage battery for supplying power without obstacles when commercial power fails; the inverter module is used for converting the direct current into alternating current required by other modules; the output rectifying and filtering module is used for reducing alternating current components in pulsating direct current voltage and reserving direct current components thereof, so that the ripple factor of the output voltage is reduced, the waveform becomes smoother, and direct current with a straight waveform is obtained; the charging control module is connected with the storage battery module and used for protecting the battery and carrying out constant current charging on the battery, so that the phenomena of over current and over voltage are avoided, and the service life of the battery is effectively prolonged;
the self-aligning device is a linear laser generator which is oppositely arranged on the upper pneumatic motor and the lower pneumatic motor, and the laser route of the linear laser generator is superposed with the central line of the rotating shaft of the upper pneumatic motor and the central line of the rotating shaft of the lower pneumatic motor.
Preferably, imbed including the fixed suction cup connecting rod sets up on the guide rail on base both sides, just the fixed suction cup connecting rod can follow the horizontal perpendicular to guide rail direction and freely stretch out and draw back, still be provided with respectively on the fixed suction cup connecting rod and be used for fixing the locking in guide rail and horizontal perpendicular to guide rail direction fixed suction cup connecting rod's locking device.
Preferably, the vacuum generator comprises an air pump air inlet, a vacuum air suction port, a low-pressure air chamber and an air outlet; the vacuum air suction port is L-shaped, is welded on the side wall of the low-pressure air chamber and is parallel to the air inlet of the air pump; the diameter of one end of the air inlet of the air pump, which is connected with the low-pressure air chamber, is smaller than that of the other end of the air inlet of the air pump.
Preferably, the door opening connecting rod is two from top to bottom, all is provided with the second slot hole that extends along door opening connecting rod length direction, the equal elastic fixation of sucking disc that opens the door sets up on installing in the base of door opening connecting rod, the base can be followed the second slot hole on the door opening connecting rod and reciprocated and be equipped with locking device.
Preferably, a laser counter for metering the door opening times and a 360-degree rotatable video probe for monitoring the working condition of the door opening machine are arranged on the square frame.
Preferably, the lower side of the base is fixedly connected with a moving device, the moving device comprises two supporting plates, the top ends of the supporting plates are fixedly connected with the lower end of the base, two moving grooves are symmetrically formed in the inner sides of the supporting plates, a moving plate is jointly erected in the moving grooves, and the lower side of the moving plate is fixedly connected with rollers; the upper side of the movable plate is symmetrically connected with two first hinges, the supporting plates above the movable plate are rotatably connected with threaded rods, and a worm is fixedly connected between the two threaded rods; the threaded rods are sleeved with threaded sliding blocks, the threaded sliding blocks are provided with second hinges, and the second hinges are connected with the first hinges through rotating rods; the worm upside is engaged with the turbine, fixedly connected with pivot on the turbine.
Preferably, the door opener is further provided with a control module for setting the control switching frequency, the switching times and the switching angle by adjusting the parameters of the pneumatic motor.
Preferably, the control module comprises a processor module, a storage module, a communication module, a mobile receiving control terminal and a data acquisition module;
the storage module is used for storing the data acquired by the data acquisition module, the laser counter and the data acquired by the video probe; the processor module is used for calling data in the storage module, carrying out data processing on an instruction signal of the mobile receiving control terminal received by the communication module, and sending parameter adjusting signals to the air pump and the air motor at the same time, and the communication module transmits the data in the storage module to the mobile receiving control terminal in real time so as to be called and read by a tester in real time;
the processor module is one of an FPGA, a DSP and a singlechip;
the communication module comprises a 3G/4G/5G wireless communication module, a WIFI module, an NFC module, a Bluetooth module and a ZIGBEE communication module, and the various modules can be combined for use;
the data acquisition module comprises sensors arranged on the air pump, the pneumatic motor and the door opening connecting rod and a temperature and humidity sensor arranged on the door opening machine;
the storage module comprises a random access memory module, an SD card module and a USB interface module, wherein the random access memory module is used for being matched with the processor module to increase the speed of memory and data processing, the SD card module is used for storing various acquired data for a long time, and the USB interface module is convenient for exporting copied data;
the mobile receiving control terminal comprises mobile receiving equipment and an APP installed on the equipment; the mobile receiving equipment is one of an intelligent bracelet, an intelligent mobile phone and a tablet personal computer.
Preferably, the control module further comprises a display module and an alarm module, wherein the display module is used for displaying the real-time data acquired by the data acquisition module and the door opening times acquired by the laser counter;
the alarm module comprises a voice alarm module and a light alarm module and is used for sending out an alarm signal when the collection parameter value exceeds a preset threshold value.
Preferably, the processor module, the storage module and the communication module are integrated on the same circuit board and are mounted on the side surface of the support frame through a protective box;
the uninterrupted power supply module is embedded in the side surface of the base and is provided with an air cooling device in a matching way;
the refrigerator is characterized in that the front side of the base is also provided with an inclined plane for the refrigerator to move up and down, the top end of the inclined plane is hinged with the upper front edge of the base, and the bottom end of the inclined plane can move freely.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention relates to a self-aligning uninterrupted door opener for a refrigerator door test, which combines an L-shaped horizontal bracket and a door opening connecting rod together, achieves that a door opening suction disc can be randomly adjusted on the surface of a refrigerator door through long holes arranged on the horizontal bracket and the door opening connecting rod on one hand, and achieves that a hinge axis of a test refrigerator is coincided with a three-line of a rotating shaft central line of a pneumatic motor and a rotating central line of a door opening connecting device through matching an upper pneumatic motor and a lower pneumatic motor which are arranged on the same straight line on the other hand, thereby realizing the perfect matching of the door opening rotating track of the refrigerator door opener and the door opening and closing motion track of the refrigerator door, effectively reducing a series of defects caused by track errors, such as abnormal abrasion, motor damage, connecting rod fracture and the like in the practical application process, and the invention is proved by a large, the method has the advantages of strong practicability, capability of solving practical problems, approval of laboratories of various refrigerator manufacturers and third-party detection mechanisms, low equipment cost, high reliability and good economic value.
(2) Its fixed connection device has included base and fixed suction cup, and fixed suction cup sets up at the fixed suction cup connecting rod, and the fixed suction cup connecting rod can be at the base position of adjusting on the surface, with refrigerator translation to suitable position, also can the fixed suction cup hold the refrigerator lateral wall, with locking device locking fixed suction cup connecting rod to fix the refrigerator stable firm, its matching nature is better, and fixed convenient and fast can be fine fix the refrigerator of different models and size.
(3) The self-aligning uninterrupted door opener for the refrigerator door test can transmit power required by opening and closing the door through the arranged door opening sucker, achieves concentric circular motion with the door when the door is opened and closed through the designed door opening connecting rod and the connecting frame, enables set door opening and closing speed, angle and amplitude parameters to be accurately fed back to the door body, and enables test errors to be small.
(4) The door opening connecting rod in the self-aligning uninterrupted door opening machine for the refrigerator door test is vertically arranged and can translate on the L-shaped horizontal support, and the door opening sucker can translate up and down on the door opening connecting rod, so that the sucker can be adsorbed at any position on the surface of a refrigerator door, the installation convenience and the adjustment multi-selectivity are greatly improved, and the door opening sucker can be suitable for the adsorption and fixation of switches of refrigerator doors of various types and sizes.
(5) According to the self-aligning uninterrupted door opener for the refrigerator door test, the door opening sucker and the base are elastically arranged, the refrigerator door has a self-absorption function, so that the force is high at the moment of opening the door, and the phenomenon that the sucker falls off easily due to the fact that the sucker is rigidly connected with the base if the door opening sucker is directly connected with the base in a long-term test process can cause large impact at the moment of opening and closing the door, so that the door opening sucker and the base can generate large noise, the door opening sucker can not normally damage the door body in a test, the effect of simulating manual door opening and closing can not be achieved, and the elastic arrangement effectively solves the problem.
(6) The self-aligning uninterrupted door opener for the refrigerator door test adopts the air pump and the pneumatic motor as power devices, on one hand, the pneumatic motor is safe to work, has explosion-proof performance, is not influenced by high temperature and vibration, can work in a full load for a long time, has small temperature rise, has high starting torque, can be started in a load-carrying mode, is started in a quick way and stopped in a quick way, is particularly suitable for occasions with frequent starting, is very easy to reverse, is particularly suitable for experimental working occasions and scenes for opening and closing the door of a refrigerator, has a simple structure, is convenient to operate, is easy to maintain, is low in cost, and effectively improves the working stability and reliability of the door opener.
(7) The uninterrupted power supply arranged on the self-aligning uninterrupted door opener for the refrigerator door test can effectively avoid errors possibly caused by mains supply abnormity on a test system, ensures that the test can be stably carried out, can immediately start the power supply of the storage battery through the arranged mains supply storage battery power supply conversion module when the mains supply is powered off, achieves seamless butt joint, improves the anti-risk property of the system, enables a direct current waveform to be flat and straight through the added output rectifying and filtering module, reduces the damage of current burrs on equipment, and prolongs the service life of the equipment.
(8) The self-aligning uninterrupted door opener for the refrigerator door test adopts the vacuum sucker, on one hand, the vacuum generator directly applies the air pump without adding a vacuum pump, on the other hand, the adsorption force of the sucker is greatly improved, the dropping is prevented, enough door opening stress is provided, the firmness of the door opener is enhanced, meanwhile, the vacuum generator adopted by the invention has a simple structure, the mutual interference between air flows is reduced through the horizontal arrangement of the vacuum air suction port and the air inlet of the air pump, the phenomena of steady flow and back flow are prevented, and the vacuum degree is better.
(9) According to the self-aligning uninterrupted door opener for the refrigerator door test, provided by the invention, on one hand, enough torque is provided, the door can be opened and closed stably and reliably, the deformation and the damage of equipment caused by insufficient torque and uneven stress caused by a single motor are avoided, and meanwhile, the lower pneumatic motor is embedded into the base, so that the situation that the upper pneumatic motor, the lower pneumatic motor and the hinged shaft of the refrigerator door are positioned on the same straight line when the test refrigerator is installed on the base is realized, the door opening and closing track of the refrigerator door is consistent with the motion track of the connecting frame, and the effect of synchronous operation of the refrigerator door and the connecting frame is achieved.
(10) The self-aligning uninterrupted door opener for the refrigerator door test can effectively monitor the actual opening and closing times of the refrigerator door through the arranged laser counter, the arranged video probe can effectively monitor the working environment of the door opener, meanwhile, the arranged control module can effectively improve the intellectualization and the automation of the door opener, the door opener has remote monitoring performance through the arranged communication module and the mobile receiving control terminal, the supervision without places and time difference is realized, and various parameters of the door opener and various parameters in the working environment are effectively and comprehensively monitored through the arranged sensors.
(11) The self-aligning uninterrupted door opener for the refrigerator door test is provided with the moving device below the base, is put down when moving is needed, and is retracted when not moving, so that the self-aligning uninterrupted door opener is convenient and quick, simultaneously avoids the trouble of manual carrying, and is stable and safe because the base directly contacts the ground after the moving wheels are retracted.
(12) According to the self-aligning uninterrupted door opener for the refrigerator door test, the self-aligning device can accurately test the installation position of a refrigerator, so that the central lines of the rotating shafts of the upper pneumatic motor and the lower pneumatic motor and the hinge shaft of the refrigerator are positioned on the same straight line, the overlapping of the door opening track of the refrigerator door and the track of the door opening connecting rod is effectively ensured, the interruption caused by the door opener test due to the position error is avoided, and the problems of sucker falling, motor damage and the like of the existing door opener due to the error of the door opening track of the refrigerator door and the track of the door opening connecting rod are solved.
(13) The self-aligning uninterrupted door opener for the refrigerator door test can realize fast matching of refrigerators of various models, is convenient and fast to install, can automatically and repeatedly open and close the upper door and the lower door of the refrigerator at the same time, is high in safety and stability coefficient of equipment, low in failure rate, not easy to damage the refrigerator, high in automation degree, simple in structure and low in cost.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a self-aligning uninterrupted door opener for a refrigerator door test according to the present invention;
FIG. 2 is a schematic view of the connection between the door opening suction cup and the door opening connecting rod of the self-aligning uninterrupted door opener for the refrigerator door test according to the present invention;
FIG. 3 is a schematic view of the connection between the fixed sucker connecting rod and the guide rail of the self-aligning uninterrupted door opener for the refrigerator door test according to the present invention;
FIG. 4 is a schematic structural diagram of a vacuum generator of a self-aligned uninterrupted door opener for a refrigerator door test according to the present invention;
FIG. 5 is a schematic view showing the connection between the door opening connecting rod and the L-shaped horizontal bracket of the self-aligning uninterrupted door opener for the refrigerator door test according to the present invention;
FIG. 6 is a schematic structural diagram of a moving device of a self-aligning uninterrupted door opener for a refrigerator door test according to the present invention;
FIG. 7 is a schematic structural diagram of a control module of a self-aligned uninterrupted door opener for a refrigerator door test according to the present invention;
FIG. 8 is a schematic view of the connection between the inclined plane and the base of the self-aligned uninterrupted door opener for the refrigerator door test according to the present invention;
fig. 9 is a schematic structural view of an uninterrupted power module of a self-aligning uninterrupted door opener for a refrigerator door test according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 9, a self-aligning uninterrupted door opener for a refrigerator door test comprises a fixed connecting device for fixedly testing a refrigerator, a door opening connecting device for connecting a refrigerator door, a power device fixed on the fixed connecting device and used for driving the door opening connecting device, a non-interruption power module used for supplying power to the power device, and a self-aligning device used for determining the installation position of the tested refrigerator;
the fixed connecting device comprises a base 1, a plurality of fixed suckers 2, fixed sucker connecting rods 3, two supporting frames 4 and a square frame 5, wherein the fixed suckers 2 are used for being adsorbed on two side walls of the test refrigerator;
the door opening connecting device comprises a plurality of door opening suckers 6 adsorbed on the refrigerator door, a door opening connecting rod 7 used for fixing the door opening suckers, and a connecting frame 8 used for connecting the door opening connecting rod and the fixed connecting device; the connecting frame 8 comprises a plurality of L-shaped horizontal brackets 81 and a framework 82 vertically and fixedly connected to the inflection points of the plurality of L-shaped horizontal brackets 81, the L-shaped horizontal brackets 81 are provided with first long holes 811 with the extending direction being the horizontal direction, the door-opening connecting rod 7 is vertically arranged on two adjacent L-shaped horizontal brackets 81 and can adjust the position along the direction of the first long holes 811, and in the embodiment, the position is adjusted by adopting a fastening nut 812;
the power device comprises an air pump 9, an upper pneumatic motor 10 and a lower pneumatic motor 11 which are respectively arranged at the opposite corners of the square frame 5 and the base 1, and the lower pneumatic motor 11 is embedded in the base 1 and is flush with the surface of the base 1;
the connecting frame 8 is fixedly connected to the rotating shafts of the upper pneumatic motor 10 and the lower pneumatic motor 11, the central lines of the rotating shafts of the upper pneumatic motor 10 and the lower pneumatic motor 11 are positioned on the same straight line, and the connecting frame 8 is driven to rotate back and forth by the rotation of the upper pneumatic motor and the lower pneumatic motor;
the uninterruptible power supply module 26 comprises a circuit control module 261, a commercial power module 262 and a storage battery module 263, wherein the circuit control module 261 comprises a commercial power storage battery power supply conversion module, an inverter module, an output rectifying and filtering module and a charging control module, and the commercial power storage battery power supply conversion module is used for being connected to the storage battery for supplying power without obstacles when commercial power fails; the inverter module is used for converting the direct current into alternating current required by other modules; the output rectifying and filtering module is used for reducing alternating current components in pulsating direct current voltage and reserving direct current components thereof, so that the ripple factor of the output voltage is reduced, the waveform becomes smoother, and direct current with a straight waveform is obtained; the charging control module is connected with the storage battery module 263 and used for protecting the battery and carrying out constant current charging on the battery, so that the phenomena of over current and over voltage are avoided, and the service life of the battery is effectively prolonged;
the self-aligning device is a linear laser generator 27 oppositely arranged on the upper pneumatic motor 10 and the lower pneumatic motor 11, and the laser route of the linear laser generator 27 is coincided with the central line of the rotating shaft of the upper pneumatic motor and the lower pneumatic motor.
Embedding including the fixed suction cup connecting rod 3 in this embodiment pierces through the setting on the supporting seat 13 on the guide rail 12 on base 1 both sides, just the fixed suction cup connecting rod 3 can freely stretch out and draw back in the direction of horizontal perpendicular to guide rail 12, still be provided with respectively on the fixed suction cup connecting rod 3 and be used for fixed locking in the direction of guide rail 12 and horizontal perpendicular to guide rail 12 the locking device 14 of fixed suction cup connecting rod 3.
The fixed sucker 2 and the door opening sucker 6 in the embodiment are both vacuum suckers, and the fixed sucker 2 and the door opening sucker 6 are connected into the air pump 9 through a vacuum generator 15 pipe; the vacuum generator comprises an air pump air inlet 151, a vacuum air suction port 152, a low-pressure air chamber 153 and an air outlet 154; the vacuum air suction port 152 is L-shaped, is welded on the side wall of the low-pressure air chamber 153 and is parallel to the air inlet of the air pump 9; the diameter of the air pump inlet 151 connected with the low-pressure air chamber 153 is smaller than that of the other end.
The door opening connecting rod 7 in this embodiment is two, and both are provided with the second slot hole 16 that extends along the length direction of the door opening connecting rod 7, the door opening suction cups 6 are all elastically fixed on the base 17 that is installed on the door opening connecting rod 7, the elastic fixing device is two symmetrical W-shaped elastic pieces 18, the base 17 can move up and down along the second slot hole 16 on the door opening connecting rod 7, and a locking device is provided.
The square frame 6 in this embodiment is provided with a laser counter 19 for counting the number of door openings and a 360-degree rotatable video probe 20 for monitoring the operation of the door opener.
The lower side of the base 1 in this embodiment is fixedly connected with a moving device 21, the moving device includes two supporting plates 211, the top ends of the supporting plates 211 are fixedly connected with the lower end of the base 1, two moving grooves 212 are symmetrically formed in the inner sides of the supporting plates 211, a moving plate 213 is jointly erected in the moving grooves, and the lower side of the moving plate is fixedly connected with a roller 214; two first hinges 215 are symmetrically connected to the upper side of the moving plate 213, threaded rods 217 are rotatably connected to the supporting plate 216 above the moving plate 213, and a worm 218 is fixedly connected between the two threaded rods 217; the threaded rods 217 are sleeved with threaded sliders 219, the threaded sliders 219 are provided with second hinges 220, and the second hinges 220 are connected with the first hinges 215 through rotating rods 221; the worm 218 is engaged with a worm wheel 222 at the upper side, and a rotating shaft is fixedly connected to the worm wheel 222.
The door operator in this embodiment is further provided with a control module 23 for setting the control switching frequency, the switching times and the switching angle by adjusting parameters of the pneumatic motor.
The control module 23 in this embodiment includes a processor module 231, a storage module 232, a communication module 233, a mobile receiving control terminal 234, and a data acquisition module 235;
the storage module 232 is used for storing the data acquired by the data acquisition module 235, the data acquired by the laser counter 19 and the video probe 20; the processor module 231 is used for calling data in the storage module 232 and performing data processing on the instruction signal of the mobile receiving control terminal 234 received by the communication module 233; meanwhile, parameter adjusting signals are sent to the air pump 9 and the air motor, and the communication module 233 transmits the data in the storage module 232 to the mobile receiving control terminal 234 in real time so that a tester can read the data in real time;
the processor module 231 is an FPGA microprocessor;
the communication module 233 comprises a 3G/4G/5G wireless communication module, a WIFI module, an NFC module, a Bluetooth module and a ZIGBEE communication module, and the various modules can be combined for use;
the data acquisition module 235 comprises sensors arranged on an air pump, a pneumatic motor and a door opening connecting rod and a temperature and humidity sensor arranged on a door opening machine;
the storage module 232 comprises a random access memory module, an SD card module and a USB interface module, wherein the random access memory module is used for being matched with the processor module to increase the speed of memory and data processing, the SD card module is used for storing various acquired data for a long time, and the USB interface module is convenient for exporting copied data;
the mobile receiving control terminal 234 comprises a mobile receiving device and an APP installed on the device; the mobile receiving equipment is a smart phone.
The control module in this embodiment further includes a display module 236 and an alarm module 237, where the display module 236 is configured to display the real-time data collected by the data collection module 235 and the door opening times collected by the laser counter 19;
the alarm module 234 includes a voice alarm module and a light alarm module, and is configured to send out an alarm signal when the collected parameter value exceeds a predetermined threshold.
The processor module 231, the storage module 232 and the communication module 233 in this embodiment are integrated on the same circuit board and are mounted on the side surface of the support frame 4 through the protection box 24;
the front side of the base 1 is also provided with an inclined plane 25 for the refrigerator to move up and down, the top end of the inclined plane 25 is hinged with the upper front edge of the base 1, and the bottom end of the inclined plane can move freely.
The working principle of the invention is as follows: transfer experimental refrigerator to base 1 through inclined plane 25 on, open air pump 9, adjust fixed suction cup connecting rod 3 to suitable position, make the articulated shaft and last pneumatic motor 10 and the pneumatic motor 11 of refrigerator door be in on the same straight line down, hold the refrigerator lateral wall with fixed suction cup 2, locking fixed suction cup connecting rod 3, adjust the connecting rod 7 that opens the door to suitable position, the sucking disc 6 that will open the door adsorbs with the refrigerator door and is connected, locking connecting rod 7 that opens the door, set for the number of times of opening the door through control module 23, the angle of opening the door, the frequency of opening the door, open laser counter 19, video probe 20, open pneumatic motor shift knob, can realize the automatic switch of refrigerator door.
The self-aligning uninterrupted door opener for the refrigerator door test can avoid abnormal power supply, provides stable and uninterrupted power supply, can effectively ensure the accuracy of the installation position of the tested refrigerator, better solves the matching problem of the opening and closing tracks of the refrigerator door, realizes quick matching of refrigerators of various models, is convenient and quick to install, can automatically and repeatedly open and close the upper door and the lower door of the refrigerator simultaneously, has high safety and stability coefficient of equipment, low failure rate, high automation degree, simple structure and low cost, and is not easy to damage the refrigerator.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A self-aligning uninterrupted door opening machine for a refrigerator door test is characterized by comprising a fixed connecting device for fixedly testing a refrigerator, a door opening connecting device for connecting a refrigerator door, a power device which is fixed on the fixed connecting device and used for driving the door opening connecting device, a non-intermittent power supply module for supplying power to the power device and a self-aligning device for determining the installation position of the tested refrigerator;
the fixed connecting device comprises a base, a plurality of fixed suckers, fixed sucker connecting rods, two supporting frames and a square frame, wherein the fixed suckers are used for being adsorbed on two side walls of the test refrigerator;
the door opening connecting device comprises a plurality of door opening suckers adsorbed on the refrigerator door, a door opening connecting rod used for fixing the door opening suckers, and a connecting frame used for connecting the door opening connecting rod and the fixed connecting device; the connecting frame comprises a plurality of L-shaped horizontal supports and a framework vertically and fixedly connected at the turning points of the L-shaped horizontal supports, the L-shaped horizontal supports are provided with first long holes with the extending direction being the horizontal direction, and the door opening connecting rod is vertically arranged on two adjacent L-shaped horizontal supports and can adjust the position along the direction of the first long holes;
the power device comprises an air pump, an upper pneumatic motor and a lower pneumatic motor, wherein the upper pneumatic motor and the lower pneumatic motor are respectively arranged at the opposite corners of the square frame and the base, and the lower pneumatic motor is embedded in the base and is flush with the surface of the base;
the connecting frame is fixedly connected to the rotating shafts of the upper pneumatic motor and the lower pneumatic motor, the central lines of the rotating shafts of the upper pneumatic motor and the lower pneumatic motor are positioned on the same straight line, and the connecting frame is driven to rotate back and forth through the rotation of the upper pneumatic motor and the lower pneumatic motor;
the uninterrupted power supply module comprises a circuit control module, a commercial power module and a storage battery module, wherein the circuit control module comprises a commercial power storage battery power supply conversion module, an inverter module, an output rectifying and filtering module and a charging control module, and the commercial power storage battery power supply conversion module is used for being connected to the storage battery for supplying power without obstacles when commercial power fails; the inverter module is used for converting the direct current into alternating current required by other modules; the output rectifying and filtering module is used for reducing alternating current components in pulsating direct current voltage and reserving direct current components thereof, so that the ripple factor of the output voltage is reduced, the waveform becomes smoother, and direct current with a straight waveform is obtained; the charging control module is connected with the storage battery module and used for protecting the battery and carrying out constant current charging on the battery, so that the phenomena of over current and over voltage are avoided, and the service life of the battery is effectively prolonged;
the self-aligning device is a linear laser generator which is oppositely arranged on the upper pneumatic motor and the lower pneumatic motor, and the laser route of the linear laser generator is superposed with the central line of the rotating shaft of the upper pneumatic motor and the central line of the rotating shaft of the lower pneumatic motor.
2. The self-aligning door opener according to claim 1, wherein the sucking disc fixing rod penetrates through a support seat provided on a guide rail embedded at both sides of the base, and the sucking disc fixing rod can freely extend and retract in a direction horizontally perpendicular to the guide rail, and the sucking disc fixing rod is further provided with a locking device for fixedly locking the sucking disc fixing rod in the direction horizontally perpendicular to the guide rail and in the direction horizontally perpendicular to the guide rail.
3. The refrigerator door test self-aligning uninterrupted door opener according to claim 1, characterized in that the fixed sucker and the door opening sucker are vacuum suckers, and are connected to the air pump through vacuum generator tubes; the vacuum generator comprises an air inlet of the air pump, a vacuum air suction port, a low-pressure air chamber and an air outlet; the vacuum air suction port is L-shaped, is welded on the side wall of the low-pressure air chamber and is parallel to the air inlet of the air pump; the diameter of one end of the air inlet of the air pump, which is connected with the low-pressure air chamber, is smaller than that of the other end of the air inlet of the air pump.
4. The refrigerator door testing self-aligning uninterrupted door opener according to claim 1, wherein the door opening connecting rod is two, one upper and one lower, and each door opening connecting rod is provided with a second long hole extending along the length direction of the door opening connecting rod, the door opening suction cups are elastically and fixedly arranged on a base mounted on the door opening connecting rod, and the base can move up and down along the second long holes on the door opening connecting rod and is provided with a locking device.
5. The self-aligning uninterrupted door opener for the refrigerator door test as claimed in claim 1, wherein a laser counter for counting the number of door opening times and a 360-degree rotatable video probe for monitoring the working condition of the door opener are arranged on the square frame.
6. The self-aligning uninterrupted door opener for the refrigerator door test according to claim 1, wherein a moving device is fixedly connected to the lower side of the base, the moving device comprises two support plates, the top ends of the support plates are fixedly connected with the lower end of the base, two moving grooves are symmetrically formed in the inner sides of the support plates, a moving plate is jointly erected in the moving grooves, and rollers are fixedly connected to the lower sides of the moving plate; the upper side of the movable plate is symmetrically connected with two first hinges, the supporting plates above the movable plate are rotatably connected with threaded rods, and a worm is fixedly connected between the two threaded rods; the threaded rods are sleeved with threaded sliding blocks, the threaded sliding blocks are provided with second hinges, and the second hinges are connected with the first hinges through rotating rods; the worm upside is engaged with the turbine, fixedly connected with pivot on the turbine.
7. The self-aligning uninterrupted door opener for the refrigerator door test according to claim 1 or 5, characterized in that the door opener is further provided with a control module for adjusting parameters of a pneumatic motor so as to set and control switching frequency, switching times and switching angle.
8. The self-aligning uninterrupted door opener for the refrigerator door test as claimed in claim 7, wherein the control module comprises a processor module, a storage module, a communication module, a mobile receiving control terminal and a data acquisition module;
the storage module is used for storing the data acquired by the data acquisition module, the laser counter and the data acquired by the video probe; the processor module is used for calling data in the storage module, processing the data of the instruction signal of the mobile receiving control terminal received by the communication module, sending parameter adjusting signals to the air pump and the air motor, and transmitting the data in the storage module to the mobile receiving control terminal in real time by the communication module so as to be called and read by a tester in real time;
the processor module is one of an FPGA, a DSP and a singlechip;
the communication module comprises a 3G wireless communication module, a 4G wireless communication module, a 5G wireless communication module, a WIFI module, an NFC module, a Bluetooth module and a ZIGBEE communication module, or the combination of the modules;
the data acquisition module comprises sensors arranged on the air pump, the pneumatic motor and the door opening connecting rod and a temperature and humidity sensor arranged on the door opening machine;
the storage module comprises a random access memory module, an SD card module and a USB interface module, wherein the random access memory module is used for being matched with the processor module to increase the speed of memory and data processing, the SD card module is used for storing various acquired data for a long time, and the USB interface module is convenient for exporting copied data;
the mobile receiving control terminal comprises mobile receiving equipment and an APP installed on the equipment; the mobile receiving equipment is one of an intelligent bracelet, an intelligent mobile phone and a tablet personal computer.
9. The self-aligning uninterrupted door opener for the refrigerator door test according to claim 8, wherein the control module further comprises a display module and an alarm module, the display module is used for displaying the real-time data acquired by the data acquisition module and the door opening times acquired by the laser counter;
the alarm module comprises a voice alarm module and a light alarm module and is used for sending out an alarm signal when the collection parameter value exceeds a preset threshold value.
10. The self-aligning uninterrupted door opener for the refrigerator door test as claimed in claim 8, wherein the processor module, the storage module and the communication module are integrated on the same circuit board and are mounted on the side surface of the support frame through a protection box;
the uninterrupted power supply module is embedded in the side surface of the base and is provided with an air cooling device in a matching way;
the refrigerator is characterized in that the front side of the base is also provided with an inclined plane for the refrigerator to move up and down, the top end of the inclined plane is hinged with the upper front edge of the base, and the bottom end of the inclined plane can move freely.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810346636.XA CN108731926B (en) | 2018-04-18 | 2018-04-18 | Refrigerator door is experimental with incessant door operator of self-alignment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810346636.XA CN108731926B (en) | 2018-04-18 | 2018-04-18 | Refrigerator door is experimental with incessant door operator of self-alignment |
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| CN108731926B true CN108731926B (en) | 2020-06-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2049330U (en) * | 1989-02-20 | 1989-12-13 | 山东省曹县人民医院 | Portable multifunction monitor for refrigerator |
| CN102410924B (en) * | 2011-08-08 | 2013-08-14 | 山东省科学院海洋仪器仪表研究所 | Door body hinge durability detection method and apparatus thereof |
| CN102954897A (en) * | 2012-12-07 | 2013-03-06 | 合肥美的荣事达电冰箱有限公司 | Detecting method of refrigerator |
| CN104179410A (en) * | 2014-07-18 | 2014-12-03 | 安徽中家智锐科技有限公司 | Pneumatic door opening mechanism of side-by-side combination refrigerator |
| CN104120941B (en) * | 2014-07-18 | 2016-08-24 | 中国家用电器研究院 | The motor of side by side combination refrigerator drives door-opening mechanism |
| CN107816842B (en) * | 2016-09-14 | 2021-07-13 | 夏普株式会社 | Detection device, refrigerator and detection method |
| CN206905804U (en) * | 2017-06-21 | 2018-01-19 | 重庆仕益产品质量检测有限责任公司 | A kind of refrigerator detection device |
| CN207095878U (en) * | 2017-07-26 | 2018-03-13 | 上海竟田电器检测技术有限公司 | Door switch life test machine |
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Effective date of registration: 20200421 Address after: 231299 Sanhe Road, SHANGPAI Town, Feixi County, Hefei City, Anhui Province Applicant after: HEFEI YIZHEN ELECTRIC POWER EQUIPMENT Co.,Ltd. Address before: 230000 Room 13-106, Kangli Community B, Hefei Economic and Technological Development Zone, Anhui Province Applicant before: HEFEI ANLI ELECTRIC POWER ENGINEERING Co.,Ltd. |
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