CN214373225U - Novel shaking table with calibrating device - Google Patents

Abstract

The utility model provides a novel vibration table with a calibration device, which comprises a vibration table and a calibrator, wherein the vibration table comprises a vibration test table top, a table post, a motor, a fixed table top, a weighing sensor base, a vibration spring, a core integration module, a vibration arm, a transmission shaft, an acceleration sensor base and a bearing base, the calibrator comprises a communication antenna, a wiring harness socket, a liquid crystal touch screen, a calibrator shell, a camera set and a power switch, the vibration test table top, the vibration arm, the transmission shaft, the acceleration sensor base and the motor are sequentially connected, the core integration module is arranged at the bottom of the vibration test table top, the bearing base coats the transmission shaft, the fixed platform, the table post, the vibration spring and the weighing sensor base are sequentially connected from top to bottom, the communication antenna and the camera set are arranged above the calibrator shell, the power switch is arranged above the right side, the lower part is provided with the pencil socket, and the centre is equipped with the liquid crystal touch-sensitive screen, and the calibrator can take notes save the processing data, remote control and monitor the shaking table.

Description

Novel shaking table with calibrating device

Technical Field

The utility model relates to an accessory test field provides a novel shaking table with calibrating device very much.

Background

The vibration table is used for simulating various environments encountered by products in manufacturing, assembling, transporting and using execution stages to identify whether the products bear the environment vibration or not, and is suitable for research, development, quality control and manufacturing of various industries such as electronics, electromechanics, photoelectricity, automobiles, locomotives, toys and the like. The vibration table is also called a vibration exciter or a vibration generator. It is a device that uses electro-dynamic, electro-hydraulic, piezoelectric or other principles to obtain mechanical vibrations. The principle is to input an excitation signal to a coil placed in a magnetic field to drive a stage associated with the coil. The electrodynamic vibration table is mainly used for vibration measurement above 10Hz, and can excite the pressure of 200N at most. In the frequency range below 20Hz, electrohydraulic vibration tables are often used, where the nature of the vibratory signal is controlled by an electric servo system. The hydraulic drive system can give large displacements and impact forces. The vibration table can be used for calibrating the accelerometer and measuring the vibration performance of the electroacoustic device. For different test objects and technical indexes, the vibration table with different structures and excitation ranges is selected. The frequency, acceleration and amplitude accuracy of the vibration table directly affect the vibration test result, and are particularly important for the calibration of the frequency, acceleration and amplitude. At present, various factories, laboratories and other places are generally equipped with different vibration test systems for different frequencies, accelerations or amplitudes, and often need to be equipped with vibration calibration systems of different frequency bands.

The low-frequency calibration vibration table comprises a mounting seat, wherein a support, guide shafts, a working platform, a linear motor and a grating ruler are arranged on the mounting seat, one of the two ends of the mounting seat is fixedly provided with the support along the width direction of the mounting seat respectively, two of the guide shafts are fixedly provided between the supports at intervals, at least one of the air bearings is sleeved on each guide shaft, the working platform is fixedly provided on the air bearings, the linear motor is arranged between the guide shafts and fixedly provided on the mounting seat, the linear motor is fixedly connected with the lower end face of the working platform, and the grating ruler is fixedly provided on one side of the mounting seat in the length direction. The utility model has the advantages of vibration frequency range is wide, the vibration displacement is big, and harmonic distortion is little, provides the preferred platform for low frequency vibration acceleration sensor's calibration.

Also for example, chinese patent publication No. CN109596295B discloses a laser absolute calibration apparatus for linear vibration of a multi-axial vibration table, which belongs to the field of laser calibration. The utility model discloses mainly constitute by absolute measurement system of laser, target and three-dimensional line vibration accelerometer. The laser absolute measurement system is used for guaranteeing that the same laser beam is divided into multi-path synchronous measurement and real-time display of three-dimensional linear vibration generated by the multi-axis vibration table, and tracing the three-dimensional linear vibration to the length and time basic quantity; the separation of angular vibration and linear vibration generated by the multi-axis vibration table is realized through the target, and the three-dimensional linear vibration of the multi-axis vibration table can be directly obtained through the measurement of laser signals reflected by the reflecting surface/prism; and the three-dimensional linear vibration accelerometer is installed through the target, and the standard value of the three-dimensional linear vibration of the multi-axis vibration table measured by the laser absolute measurement system and the output of the three-dimensional linear vibration accelerometer are compared. The utility model discloses can ensure the accuracy and the reliability of multiaxis shaking table line vibration magnitude measurement calibration.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a novel shaking table and supporting calibrator.

In order to achieve the above object, the utility model provides a following technical scheme:

a novel vibration table with a calibration device comprises a vibration table and a calibrator, and further comprises a vibration test table top, a fixed table top, a core integration module, a weighing module, a power module and a remote control monitoring module;

the vibration table comprises the vibration test table top, the core integration module, the fixed table top, the weighing module and the power module;

the vibration testing table top is positioned above the fixed table top, the core integrated module is arranged at the center position below the vibration testing table top, and the power modules are arranged on two sides of the vibration testing table top;

the weighing modules are arranged around the fixed table top;

the calibrator comprises the remote monitoring module.

In the novel vibration table with the calibration device, the core integrated module comprises a communication module, a CPU and a vibration sensor module, and the CPU can control the communication module to send and receive signals through sending signals and can also receive signals through the vibration sensor module.

Foretell novel shaking table with calibrating device, weighing module includes weighing sensor base and vibrating spring, the weighing sensor base is located vibrating spring's below, the weighing sensor base is the cylinder, built-in weighing sensor.

The novel vibration table with the calibration device further comprises a table column, wherein the table column is made of metal materials and is located between the fixed table top and the vibration spring.

The power module comprises a vibration arm, a transmission shaft and a motor, the transmission shaft is coated at the lower end of the vibration arm, the transmission shaft and a shaft of the motor are connected into a whole, the vibration arms are divided into two groups, each group consists of two thick metal joints and one thin metal joint, and the two joints are connected through a bearing and can be bent; the transmission shaft is a metal cylinder; the motor is used for providing rotating force.

The novel vibration table with the calibration device further comprises a bearing base, and the bearing base wraps the transmission shaft.

The novel vibration table with the calibration device further comprises an acceleration sensor base, wherein the acceleration sensor base is arranged between the motor and the transmission shaft and internally provided with an acceleration sensor.

The novel vibration table with the calibrating device is characterized in that the remote control monitoring module comprises a liquid crystal touch screen, and the liquid crystal touch screen is rectangular and is located in the middle of the calibrator.

The novel vibration table with the calibration device further comprises a communication antenna and a camera set, wherein the communication antenna is in a spiral line structure and is positioned above the calibrator; the camera set is of a lifting structure and is also positioned above the calibrator.

The novel vibration table with the calibration device further comprises a calibrator shell, a power switch and a wiring harness socket, wherein the calibrator shell wraps the calibrator; the power switch is positioned above the right side of the calibrator housing; the harness receptacle is located below the right side of the calibrator housing.

Compared with the prior art, the utility model discloses a calibrator remote control and monitoring shaking table, weighing sensor has been added, acceleration sensor and vibration sensor, in addition core integrated module's cooperation, and shoot in real time of camera group, to the measured object look at picture identification technology, intelligent control has been realized, intelligent monitoring, intelligent data gathers, seek, compare, save and the record, the state according to the adjustable shaking table of the condition that the calibrator reflected, in addition the calibrator adopts wireless portable, from taking lithium battery power supply, the winding of pencil has been avoided, can lead to malfunctioning and on-the-spot in disorder, still can be on data transmission to the computer in addition, carry out data analysis and data arrangement, avoided manual record can cause data loss, the extravagant manpower and materials of repeated test.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

FIG. 1 is a schematic view of a novel vibration table with a calibration device;

FIG. 2 is a detailed view of a novel vibration table with alignment means;

fig. 3 is a control flow diagram of a novel vibration table with a calibration device.

Description of reference numerals:

vibration test table face 1, platform post 2, motor 3, fixed table face 4, weighing sensor base 5, vibrating spring 6, core integrated module 7, vibration arm 8, transmission shaft 9, acceleration sensor base 10, bearing base 11, communication antenna 12, pencil socket 13, liquid crystal touch-sensitive screen 14, calibrator shell 15, switch 16, camera 17, lens mount 18, camera group 19.

Detailed Description

The utility model relates to a novel vibration table with a calibration device, as shown in figure 1, comprising a vibration table and a calibrator, wherein the vibration table comprises a vibration test table surface 1, the vibration test table surface 1 is made of square high-strength toughened glass material, a core integrated module 7 is arranged at the central position below the vibration test table surface, a fixed table surface 4 is arranged below the core integrated module 7, the fixed table surface 4 is also in a square structure, 4 metal cylinder table columns 2 are arranged below four corners of the fixed table surface, high-strength and good-elasticity vibration springs 6 are arranged below the 4 table columns 2, a weighing sensor base 5 is arranged below each vibration spring 6, a hollow structure is arranged in the middle of the fixed table surface 4, 2 groups of vibration arms 8 are arranged below the fixed table surface, the bottom of the vibration test table surface 1 is connected above the vibration arms 8, the other ends of the vibration arms 8 are wrapped on a transmission shaft 9, one end of the transmission shaft 9 is sequentially connected with an acceleration sensor base 10 and a motor 3, and 4 bearing mounts 11 cover the entire drive shaft 9.

The calibrator includes communication antenna 12, communication antenna 12 sets up in calibrator shell 15 top, calibrator shell 15 is square dull polish material shell, its top still is provided with camera group 19, camera group 19 can freely go up and down, it includes camera 17 and lens mount 18, camera 17 is circular, inlay in the middle of lens mount 18, right side top of calibrator shell 15 is provided with switch 16, switch 16 is the ship type structure, it is provided with the sign of "-" and "0", right side below of calibrator shell 15 is provided with pencil socket 13, the centre of calibrator shell 15 is provided with liquid crystal touch-sensitive screen 14.

Before the vibration table and the calibrator work, a vibration table power supply needs to be plugged, a power switch 16 of the calibrator is turned on, the vibration table and the calibrator are pressed to be arranged at a position of '0' to be in an open state, an object to be subjected to vibration testing is arranged above a vibration testing table board 1, the object can enable vibration springs 6 below table columns 2 at four corners of a fixed table board 4 to deform under the action of gravity, the deformation force of the vibration springs 6 can be transmitted to the insides of 4 weighing sensor bases 5, the weighing sensors arranged in the weighing sensor bases 5 sense the force, the weight of the object can be measured, analyzed and calculated accurately, the numerical value of the weight can be transmitted to a CPU arranged in a core integration module 7 along a communication line, the CPU can feed back after receiving the numerical value, and the numerical value is transmitted to the calibrator through a communication module arranged in the core integration module 7 and is received by a communication antenna 12, after the calibrator is processed and completed through the internal processor, the calibrator can feed back and send the liquid crystal touch screen 14, the liquid crystal touch screen 14 can display the numerical value of the weight of the measured object, and in addition, the liquid crystal touch screen 14 can also display the distribution condition of the weight of four corners in real time, so that the position can be adjusted according to the actual condition, and the effect of object testing is better. The camera group 19 above the calibrator shell can be opened through the operation of the liquid crystal touch screen 14, after the camera group 19 is opened, the camera group 19 can be lifted under the action of the spiral lifter arranged in the calibrator, the camera 17 can be automatically opened, a photographing function interface can be entered on the liquid crystal touch screen 14, the focal length of the lens can be adjusted and changed by clicking the focal length adjusting function on the liquid crystal touch screen 14, the lens base 18 can stretch and rotate along with the adjusted degree, the photographing function can be used for recording the image information of the measured object, including the name plate, the product model and the number of the measured object, and all functional parameters are recorded and stored, because most of the measured object is the components and the finished products in the fields of electronics, electromechanics, photoelectricity, automobiles, toys and the like, the camera group can also be matched with the APP in the specific field arranged in the calibrator to perform photographing and retrieval, and more detailed measured object parameters can be obtained in the APP, then, the data can be compared with the weight or other related data, so that whether the detected object is qualified or not can be accurately tested, the searched data can be stored, marked, modified and the like through the operation of the liquid crystal display 14 as long as the data is shot, and the data can be connected with a computer through the wiring harness socket 13 for transmission backup and later analysis. The camera 17 can be retracted into the calibrator along with the camera group 19 by clicking the photographing closing function or the image recognizing function on the liquid crystal display 14, so that the camera 17 is well protected and prevented from being scratched, easily causing photographing blur and being damaged by the camera group 19.

The testing is started, manual work clicks the starting test on the liquid crystal touch screen 14, signals are transmitted to a processor in the checker, the processor transmits starting signals to the core integrated module 7 through the communication antenna 12 after analysis, the signals received by the communication module arranged in the core integrated module 7 are transmitted to a CPU arranged in the core integrated module 7, the CPU sends the signals to the motor 3 along a communication line, the motor 3 starts to rotate after receiving the signals, the rotation of the motor 3 drives the transmission shaft 9 to rotate, the transmission shaft 9 is fixed by the bearing base 11 to rotate in the internal space of the bearing base, the rotation of the transmission shaft 9 drives the 2 groups of vibration arms 8 to perform circular up-and-down reciprocating motion, so that the vibration testing table board 1 is driven to perform up-and-down motion, and the vibration springs 6 vibrate under the high-speed operation of the motor 8, so as to strengthen the vibration testing of an object, in addition, the acceleration of the motor 3 can be monitored and transmitted through the acceleration sensor base 10, the acceleration sensor base 10 can send obtained data to a CPU of the core integrated module 7, the CPU is transmitted to the calibrator through a communication module arranged in the core integrated module 7 through a communication antenna 12, the calibrator displays the acceleration value of the motor 3 through the liquid crystal touch screen 15, a vibration sensor is further arranged in the core integrated module 7, the vibration frequency of the vibration test table board 1 can be monitored in real time, the communication module arranged in the core integrated module 7 is also transmitted to the calibrator, the calibrator displays the vibration frequency of the vibration test table board 1 through the liquid crystal touch screen 15, and the rotating speed of the motor 3 can be adjusted according to the frequency required to be born by an object.

Stopping the test, the manual work sends stop signal through the calibrator, the calibrator can give core integrated module 7 with stop signal transmission, built-in communication module received signal can be passed to built-in CPU in core integrated module 7 in the core integrated module 7, CPU sends the signal through the communication line for motor 3 again, motor 3 obtains signal stall, close the shaking table power, take off the testee, place in the test region, the data calibrator that has tested can automatic save, can connect the computer through pencil socket 13 equally, then transmit for the computer, carry out the analysis data, obtain final test result, the test process of such a testee just finishes.

The vibration table is an inspection instrument which can simulate various environments encountered by the product in the manufacturing, assembly, transportation and use execution stages and is used for identifying the capability of the product for enduring the environmental vibration;

the core integrated module 7 is internally provided with a communication module, a CPU and a vibration sensor, and is connected with a weighing sensor and an acceleration sensor through a wire harness;

the communication module is used for wirelessly transmitting data, can perform contactless transmission according to a communication address, and has wide application range, such as: vehicle monitoring, remote control, remote measurement, small wireless network, wireless meter reading, access control system, cell paging, industrial data acquisition system, wireless tag, identity recognition, non-contact RF smart card, small wireless data terminal, safety fire protection system, wireless remote control system, biological signal acquisition, hydrological weather monitoring, robot control, wireless 232 data communication, wireless 485/422 data communication, digital audio, digital image transmission and the like.

The CPU is a core module for signal processing and realizes the control of each component by receiving signals, processing signals and feedback signals;

the spiral lifter comprises a worm gear, a box body, a bearing, a lead screw and other parts. The working principle is that a motor or a manual drive worm rotates, the worm drives a worm wheel to rotate in a speed reducing mode, an inner cavity of the worm wheel is processed into internal threads, a lead screw is driven to move up and down, and due to the fact that the worm wheel and the worm are arranged inside the worm wheel and the worm wheel, the speed reducing effect of the lead screw achieves the effect of amplifying pushing force, and therefore the lifting function is achieved.

The cameras can be divided into two categories, namely digital cameras and analog cameras. The digital camera can convert the analog video signal generated by the video acquisition equipment into a digital signal, and then store the digital signal in the computer. The video signal captured by the analog camera must be converted into a digital mode through a specific video capture card, and the digital mode can be converted into a computer for use after being compressed. The digital camera can directly capture images and then transmit the images to the computer through a serial port, a parallel port or a USB interface. The camera in the computer market is mainly a digital camera, and the digital camera is mainly a USB digital camera using a novel data transmission interface, and most of the cameras visible in the market are the digital camera. In addition, there is a product used in conjunction with a video capture card, but this is not the mainstream. Due to the rapid popularization of personal computers, the overall cost of the analog camera is high, the requirements of liquid crystal splicing screen interfaces and the like cannot be met, and the transmission speed of the USB interface is far higher than the speed of serial ports and parallel ports, so that the digital camera of the USB interface is sold in the market. The analog camera can be matched with a video acquisition card or a USB video acquisition card for use, is conveniently connected with a computer for use, and is typically applied to general video monitoring. Clean district camera, the embedded special camera in clean district is the special camera to clean district dust free chamber important equipment key post real time monitoring. This pure flat panel of camera imbeds various steel sheet installation, and zero health dead angle is clean convenient, and it is convenient to install, can quick multiple spot cloth accuse, compatible mainstream video system. The camera generally has the basic functions of video shooting/transmission, static image capture and the like, and after images are collected through a lens, the images are processed and converted into digital signals which can be identified by a computer through a photosensitive component circuit and a control component in the camera, and then the digital signals are input into the computer through a parallel port or a USB connection and then are restored through software. The utility model discloses the digital camera who uses, like the camera of most of cell-phones, inlay in whole camera group equally.

The USB is an abbreviation of Universal Serial Bus (USB), and is an external Bus standard for standardizing connection and communication between a computer and external devices. Is an interface technology applied in the field of PC. The USB interface supports plug and play and hot plug functions of the device.

The APP is an abbreviation of english Application, and different APPs have different functions and are commonly used in electronic devices such as smart phones and computers.

The vibration sensor adopts an electrical measurement method to test the vibration frequency, and the electrical measurement method is to convert the parameters of the engineering vibration into electrical signals which are displayed and recorded after being amplified by an electronic circuit. The key point of the electrical measurement method is that the mechanical vibration quantity is converted into electric quantity (electromotive force, electric charge and other electric quantities), and then the electric quantity is measured, so as to obtain the mechanical quantity to be measured;

the weighing sensor adopts a resistance strain type weighing sensor, is based on the principle of the resistance strain type weighing sensor, and can convert gravity acting on a measured object into a quantifiable output signal according to a certain proportion. Mainly comprises an elastic element, a resistance strain gauge, a measuring circuit and a transmission cable 4. The resistance strain gauge is attached to the elastic element, and when the elastic element is stressed and deformed, the strain gauge on the elastic element is deformed, and the resistance is changed. The measuring circuit measures the resistance change of the strain gauge and converts the resistance change into an electric signal proportional to the magnitude of the external force to output. The electric signal is processed and then displays the quality of the measured object in a digital form;

the acceleration sensor is a piezoresistive acceleration sensor, and the acceleration sensor can measure acceleration. The damper is generally composed of a mass block, a damper, an elastic element, a sensitive element, an adjusting circuit and the like. In the acceleration process, the sensor obtains an acceleration value by measuring the inertial force borne by the mass block and utilizing a Newton's second law;

the calibrator is a portable handheld instrument powered by a battery, can be used for measuring and outputting various signals, is mainly applied to measuring and calibrating signals in industrial fields and laboratories, and is a necessary tool for testing and calibrating industrial automation systems and instruments;

the liquid crystal touch screen 15 is also called a touch panel, and is an inductive liquid crystal display device capable of receiving input signals such as a touch, and when a graphic button on a screen is touched, a touch feedback system on the screen can drive various connecting devices according to a pre-programmed program, so that the touch feedback system can be used for replacing a mechanical button panel, and a vivid video and audio effect can be produced by a liquid crystal display picture. The working portion of a typical touch screen generally consists of three parts, namely two transparent resistive conductor layers, an isolation layer between the two conductors, and electrodes. The resistive conductor layer is made of a resistive material, such as Indium Tin Oxide (ITO), coated on a substrate, the upper substrate is made of plastic, and the lower substrate is made of glass. The isolation layer is a viscous insulating liquid material, such as a polyester film. The electrode is made of material with excellent conductivity (such as silver powder ink), and the conductivity of the electrode is about 1000 times of that of ITO.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a novel shaking table with calibrating device, includes shaking table and calibrator, its characterized in that: the device also comprises a vibration testing table top, a fixed table top, a core integration module, a weighing module, a power module and a remote control monitoring module;

the vibration table comprises the vibration test table top, the core integration module, the fixed table top, the weighing module and the power module;

the vibration testing table top is positioned above the fixed table top, the core integrated module is arranged at the center position below the vibration testing table top, and the power modules are arranged on two sides of the vibration testing table top;

the weighing modules are arranged around the fixed table top;

the calibrator comprises the remote monitoring module.

2. The new oscillating table with calibration device according to claim 1, characterized in that: the core integration module comprises a communication module, a CPU and a vibration sensor module, the CPU can control the communication module to send and receive signals through sending signals and can also receive signals through the vibration sensor, and the output end of the CPU is connected with the input ends of the communication module and the vibration sensor respectively.

3. The new oscillating table with calibration device according to claim 2, characterized in that: the weighing module comprises a weighing sensor base and a vibrating spring, and the weighing sensor base is located below the vibrating spring.

4. The new vibration table with calibration device as set forth in claim 3, characterized in that: the table column is made of metal materials and is positioned between the fixed table top and the vibration spring.

5. The new vibration table with calibration device as set forth in claim 4, characterized in that: the power module comprises a vibration arm, a transmission shaft and a motor, wherein the transmission shaft is coated at the lower end of the vibration arm, the transmission shaft and a shaft of the motor are connected into a whole, the vibration arm is divided into two groups, each group consists of two thick metal joints and one thin metal joint, and the two joints are connected through a bearing and can be bent; the transmission shaft is a metal cylinder; the motor is used for providing rotating force.

6. The new vibration table with calibration device as set forth in claim 5, characterized in that: the transmission shaft is characterized by further comprising a bearing base, and the bearing base coats the transmission shaft.

7. The new vibration table with calibration device as set forth in claim 6, characterized in that: the motor is arranged on the transmission shaft, and the acceleration sensor base is positioned between the motor and the transmission shaft and used for monitoring and feeding back the numerical value of the acceleration of the motor.

8. The new vibration table with calibration device as set forth in claim 7, characterized in that: the remote control monitoring module comprises a liquid crystal touch screen, and the liquid crystal touch screen is rectangular and is positioned in the middle of the calibrator.

9. The new vibration table with calibration device as set forth in claim 8, characterized in that: the calibration device also comprises a communication antenna and a camera set, wherein the communication antenna is of a spiral linear structure and is positioned above the calibrator; the camera set is of a lifting structure and is also positioned above the calibrator.

10. The new vibration table with calibration device as set forth in claim 9, characterized in that: the calibrator comprises a calibrator shell, a power switch and a wiring harness socket, wherein the calibrator shell wraps the calibrator; the power switch is positioned above the right side of the calibrator housing; the harness receptacle is located below the right side of the calibrator housing.

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