CN210804909U

CN210804909U - Physical experiment mechanics slider

Info

Publication number: CN210804909U
Application number: CN201921064169.8U
Authority: CN
Inventors: 刘平; 姚跃涌; 姚夸克
Original assignee: Shenzhen Cross One Technology Co ltd
Current assignee: Shenzhen Cross One Technology Co ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-06-19
Anticipated expiration: 2029-07-09

Abstract

A physical experiment mechanics slider relates to the technical field of physical teaching aids; the wireless sensor comprises a shell, a carrying disc, a gravity sensor, a connecting block, a fourth circuit board, a battery, a first circuit board, a second circuit board, a third circuit board, a first lens, a second lens, a third lens, a cover plate, a wireless induction coil and a magnet; drag hook and tensiometer lock joint, first sliding surface are the lower bottom surface of slider, and the apron is installed in the slider, and second sliding surface and third sliding surface are the side of slider, are equipped with the recess on the third sliding surface, and the fourth sliding surface is located the back of slider, and the top is equipped with magnet installation position and reset hole, magnet installation position is a recess, and the magnet embedding is installed in the recess, the reset hole is a aperture, the downthehole reset button that is equipped with on the fourth circuit board. The utility model discloses ability real-time supervision, data are reliable, and easy operation can save the analysis to the pulling force value, gives the experiment score in real time.

Description

Physical experiment mechanics slider

Technical Field

The invention relates to the technical field of physical teaching aids, in particular to a physical experiment mechanics sliding block.

Background

Physics is a natural science based on observation and experiment, and the experimental basis, theoretical system and research method of physics play a very important role in the development of intelligent structures of students. Since physics itself is abstract, if the dispersing thinking and creativity of students can be cultured in the teaching of physical experiments, the cognitive ability of students is improved, and the germination of creativity plays a powerful role, so that many students specially set up physical experiment courses, in the operation process of students on related physical components, the cognitive ability and the practical ability of students on the related components are improved, and further the interest of students on the physical courses is improved.

In a physical experiment mechanical experiment, a tension meter is needed to pull a sliding block, and a corresponding tension value is obtained by reading a numerical value on a dial on the tension meter. In the physical experiment mechanical examination, a teacher observes the operation of students so as to evaluate the physical experiment scores.

At present, most of mechanical mechanics experiments have the following problems:

① in the physical experiment mechanical examination, the teacher needs to observe the operation of the student to give the experiment score, the scoring efficiency is low, and the possibility of misjudgment exists;

② most of the existing sliding blocks are simply processed by wood blocks and have rough appearance;

③ in the experiment of physical mechanics, the movement track, movement speed and movement distance of the sliding block pulled by students cannot be detected by an intelligent method;

④ in the experiment of physical mechanics, whether the student pulls the slider is standard can only be judged by human eyes, and can not be detected by an intelligent method.

Disclosure of Invention

The invention aims to provide a physical experiment mechanical sliding block which is simple in structure, reasonable in design and convenient to use, aiming at the defects and shortcomings of the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: the wireless sensor comprises a shell, a carrying disc, a gravity sensor, a connecting block, a fourth circuit board, a battery, a first circuit board, a second circuit board, a third circuit board, a first lens, a second lens, a third lens, a cover plate, a wireless induction coil and a magnet; the shell comprises a drag hook, a first sliding surface, a second sliding surface, a third sliding surface, a fourth sliding surface, a magnet mounting position and a reset hole. The utility model discloses a slide block, including drag hook and tensiometer lock joint, first sliding surface is the lower bottom surface of slider, and the apron is installed in the slider, second sliding surface and third sliding surface are the side of slider, are equipped with the recess on the third sliding surface, the fourth sliding surface is located the back of slider, and the top is equipped with magnet installation position and reset hole, magnet installation position is a recess, and the magnet embedding is installed in the recess, the reset hole is a aperture, the downthehole reset button that is equipped with on the fourth circuit board.

The object carrying plate is in a basin shape, the four sides are high, the middle is low, the lower part is connected with the gravity sensor through bolts, and a heavy object with a certain weight can be placed on the upper part.

The upper part of the gravity sensor is connected with the object carrying disc, and the lower part of the gravity sensor is connected with the connecting block and electrically connected with the fourth circuit board.

The connecting block is arranged on the upper portion of the shell and comprises a gravity sensor mounting position, a battery mounting position, a fourth circuit board mounting position and a boss. The gravity sensor is arranged on the gravity sensor mounting position, batteries are connected to the periphery of the battery mounting position in a clamping mode through positioning baffles, the fourth circuit board mounting position is provided with a fourth circuit board in a number-unlimited screw hole, the boss is located on the lower portion of the connecting block, and the shell and the connecting block are fixed through bolts.

The fourth circuit board is arranged above the connecting block and is rectangular and comprises a base plate, a reset button and a circuit board screw hole. The base plate is the base member of fourth circuit board, reset button is located the upper portion of fourth circuit board, the circuit board screw passes through bolt and connecting block fixed assembly.

The battery is arranged on the upper part of the connecting plate and is electrically connected with the fourth circuit board.

The shape and the function of the first circuit board, the second circuit board and the third circuit board are consistent, the first circuit board is arranged on the back face of the first sliding face, the second circuit board is arranged on the back face of the second sliding face, the third circuit board is arranged on the back face of the third sliding face, the first circuit board comprises a base body, a light-emitting diode, a photoelectric sensor and an assembling screw hole, the base body is the base body of the first circuit board, the light-emitting diode is welded on the first circuit board, the photoelectric sensor is welded on the first circuit board, and the assembling screw hole is fixedly assembled with the shell through a bolt.

The first lens, the second lens and the third lens are respectively arranged above the first sliding surface, the second sliding surface and the third sliding surface, and the light lens is arranged below the first circuit board, the second circuit board and the third circuit board.

The cover plate is rectangular and is arranged below the first sliding surface.

The wireless induction coil and the back surface of the fourth sliding surface are electrically connected with the fourth circuit board.

The magnet is arranged in the groove of the magnet mounting position.

After adopting the structure, the invention has the beneficial effects that:

1. in the physics experiment mechanics examination, after a teacher only needs to give the student the examination content, the student operates related devices, then the slider transmits data to the processing equipment of the backstage through Bluetooth or wifi, the backstage equipment collects the numerical information that comes back, on the one hand, the numerical information can be stored on the equipment, on the other hand, the operation of the student can be judged accurately or not, whether the score of each step can be obtained or not, after the student submits, the examination is finished, the score of the examination of the student can be known immediately, and the real-time monitoring and the intelligent operation of the whole mechanics device are realized. The examination efficiency of the physical experiment is greatly improved, repeated and monotonous scoring work of teachers is reduced, and the possibility of score misjudgment is reduced.

2. In a physical experiment mechanical examination, when a user operates the sliding block, the background can monitor which sliding surface of the sliding block is in contact with an external plane in real time, can judge the movement track of the sliding block, can monitor the movement speed, the movement time and the movement distance of the sliding block, and can also detect the weight of a heavy object on the carrying disc.

3. The slider of the mechanical experiment is intelligently upgraded without changing the appearance and the structure of the existing traditional physical experiment slider, so that the purpose of intelligent monitoring is achieved, and the steps and habits of students for operating components are not influenced after optimization;

4. the slider reads and identifies the gravity on the carrying disc by adopting the gravity sensor, has the characteristics of high precision and high sensitivity of identifying the tension value, and can transmit the acquired data to external equipment through Bluetooth or wifi;

5. different sliding surfaces are arranged on the sliding block, the areas and the materials of the sliding surfaces are different, and multiple mechanical sliding can be realized on the different sliding surfaces;

6. the slider is provided with the rechargeable battery, so that the circuit board can be powered, the mode that an external cable is needed to power the circuit board is eliminated, and the slider can be wirelessly charged by the wireless induction coil;

7. the slider is provided with the magnet, and the magnetic induction can judge whether the student puts the slider back to the original position after operating the slider.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is an internal structural view of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a block diagram of the housing of the present invention;

FIG. 5 is an internal structural view of the housing of the present invention;

FIG. 6 is a block diagram of the connector block of the present invention;

FIG. 7 is a structural view of a fourth circuit board of the present invention;

FIG. 8 is a block diagram of a first circuit board of the present invention;

FIG. 9 is a schematic view of the operation of the present invention for placing weights;

FIG. 10 is a schematic view of the operation of the attachment tension meter of the present invention;

fig. 11 is a schematic diagram of the operation of the present invention connecting a tension meter and a weight.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Referring to fig. 1-11, the following technical solutions are adopted in the present embodiment: the wireless sensor comprises a shell 11, an object carrying tray 12, a gravity sensor 13, a connecting block 14, a fourth circuit board 15, a battery 16, a first circuit board 17, a second circuit board 18, a third circuit board 19, a first lens 20, a second lens 21, a third lens 22, a cover plate 23, a wireless induction coil 24 and a magnet 25; the housing 11 includes a hook 111, a first sliding surface 112, a second sliding surface 113, a third sliding surface 114, a fourth sliding surface 115, a magnet mounting position 116, and a reset hole 117. Drag hook 111 and tensiometer C lock joint, first sliding surface 112 is the lower bottom surface of slider, and apron 23 is installed in the slider, second sliding surface 113 and third sliding surface 114 are the side of slider, are equipped with the recess on the third sliding surface 114, fourth sliding surface 115 is located the back of slider, and the top is equipped with magnet installation position 116 and reset hole 117, magnet installation position 116 is a recess, and magnet 25 embedding is installed in the recess, reset hole 117 is a aperture, the downthehole reset button that is equipped with on the fourth circuit board 15.

The object carrying plate 12 is in a basin shape, the four sides are high, the middle is low, the lower part is connected with the gravity sensor 13 through bolts, and the upper part can be used for placing a heavy object with certain weight, such as a weight.

The upper part of the gravity sensor 13 is connected with the object carrying disc 12, the lower part of the gravity sensor is connected with the connecting block 14 and is electrically connected with the fourth circuit board 15, when gravity is transmitted to the gravity sensor 13, the gravity can be identified through analysis and processing of background software, if a heavy object is arranged on the object carrying disc 12, the weight of the heavy object is transmitted to the gravity sensor 13, and the gravity sensor 13 can identify the weight of the heavy object.

The connecting block 14 is disposed on the upper portion of the housing 11 and includes a gravity sensor mounting position 141, a battery mounting position 142, a fourth circuit board mounting position 143, and a boss 144. The gravity sensor mounting position 141 is provided with the gravity sensor 13, the battery 16 is clamped around the battery mounting position 142 through the positioning baffle plates, the fourth circuit board mounting position 143 is provided with the fourth circuit board 15 through screw holes with unlimited number, the boss 144 is positioned at the lower part of the connecting block 14 and is provided with the boss 144 with unlimited number, the boss 144 is used for positioning the shell 11 and the connecting block 14, and the shell and the connecting block 14 can be fixedly assembled together through bolts after positioning.

The fourth circuit board 15 is disposed above the connecting block 14, is rectangular, and includes a substrate 151, a reset button 152, and a circuit board screw hole 153. The base plate 151 is the base member of the fourth circuit board 15, the reset button 152 is located on the upper portion of the fourth circuit board 15, the circuit board screw hole 153 is fixedly assembled with the connecting block 14 through a bolt, and an electric signal acquired by the fourth circuit board 15 can be transmitted to an external device through Bluetooth or wifi.

The battery 16 is disposed on the upper portion of the connection board 14, electrically connected to the fourth circuit board 15, and has a certain amount of electricity, so that other components can be powered through the fourth circuit board 15.

The shapes and functions of the first circuit board 17, the second circuit board 18 and the third circuit board 19 are consistent, the first circuit board 17 is arranged on the back face of the first sliding face 112, the second circuit board 18 is arranged on the back face of the second sliding face 113, the third circuit board 19 is arranged on the back face of the third sliding face 114, the first circuit board 17 comprises a base body 171, a light emitting diode 172, a photoelectric sensor 173 and an assembling screw hole 174, the base body 171 is the base body of the first circuit board 17, the light emitting diode 172 is welded on the first circuit board 17, the photoelectric sensor 173 is welded on the first circuit board 17, the assembling screw hole 174 is fixedly assembled with the shell 11 through a bolt, and optical signals received by the first circuit board 17, the second circuit board 18 and the third circuit board 19 can be transmitted to the fourth circuit board 15 in real time to perform subsequent signal processing.

The first lens 20, the second lens 21, and the third lens 22 are respectively disposed above the first sliding surface 112, the second sliding surface 113, and the third sliding surface 114, and the light lens 201 is disposed below the first circuit board 17, the second circuit board 18, and the third circuit board 19, and the light lens 201 can physically reflect light emitted from the light emitting diode 172 to the photosensor 173 for processing.

The cover plate 23 is rectangular and is arranged below the first sliding surface 112, the cover plate is of a certain thickness and is made of unlimited materials, plastic, metal, organic glass or other materials can be made, the cover plate is not limited by the patent, different materials make the cover plate 23-different in smoothness, and therefore friction coefficients are different, and the cover plate 23 is different from friction coefficients of media in external contact by replacing different cover plates 23.

The wireless induction coil 24 and the back of the fourth sliding surface 115 are electrically connected with the fourth circuit board 15, and the battery 16 can be charged through the external wireless charging coil.

The magnet 25 is disposed in the recess of the magnet mounting portion 116, and can determine whether the slider is at a designated position when the slider is replaced.

When the practical embodiment works, the electric quantity of the battery 16 is checked, the electric quantity can meet the use time, in the use process, a user uses external equipment to hook the draw hook 111, if in a physical experiment, the user needs to hook the sliding block by using a tension meter, one of the first sliding surface 112, the second sliding surface 113 and the third sliding surface 114 can be selected to be in contact with the external plane D, and then the sliding block is pulled to move forwards. And when the sliding block moves at a constant speed, the reading of the tension meter is recorded, so that the tension of the sliding block when the sliding block moves at a constant speed is obtained. When a load is required, a weight, such as a weight A, is placed on the loading tray 12, and then the slider B is pulled.

On the other hand, when the user pulls the slider, if the first sliding surface 112 contacts the external plane D, the light emitting diode 172 continuously emits light in the forward movement process of the slider, the light is reflected by the light lens 201 and received by the photoelectric sensor 173, the first circuit board 17 receives a photoelectric signal of the photoelectric sensor 173 and transmits the signal to the fourth circuit board 15, the fourth circuit board 15 transmits the signal to an external device through bluetooth or wifi for storage and analysis, and through the analysis of the external device, it can be determined which sliding surface of the slider contacts the external plane, the movement track of the slider can be determined, the movement speed, the movement time and the movement distance of the slider can be monitored, further, it can be determined whether the operation of the operator meets the specification, it can be determined whether the operation of the operator is qualified, in a specific physical experiment examination, the experiment mark can be directly provided for students on external equipment according to the operation of the students, and the real-time monitoring and intelligent scoring of the physical experiment mechanical slider are realized.

It needs to be provided that, when a heavy object needs to be placed on the object carrying tray 12, because the object carrying tray 12, the gravity sensor 13, the connecting block 14 and the shell 11 are connected into a whole, the gravity information on the object carrying tray 12 can be transmitted to the gravity sensor 13, the gravity value signal acquired by the gravity sensor 13 is transmitted to the fourth circuit board 15, the fourth circuit board 15 transmits the signal to an external device for storage and analysis through bluetooth or wifi, through the analysis of the external device, the real-time gravity value can be judged, whether the operation of an operator meets the specification or not can be judged, whether the operation of the operator is qualified or not can be judged, and further, the real-time monitoring and intelligent scoring of the physical experiment mechanical slider are realized.

The background can monitor which sliding surface of the sliding block is in contact with an external plane in real time when a user operates the sliding block on an operation display screen of external equipment, can judge the motion track of the sliding block, can monitor the motion speed, the motion time and the motion distance of the sliding block, and can also detect the weight of a heavy object on a carrying disc. When the user operation is finished, the experimental score of the user operation can be given in real time according to the set scoring standard of the background of the external equipment. If the user disagrees with the score, the relevant data of the operation process at that time can be called back on the external equipment, so as to judge whether the misjudgment result exists or not through data monitoring.

It needs to provide that this slider outside is equipped with magnet 25, and when the operator put the slider back to the normal position, through the magnetic induction, can judge the student after the operation slider, whether put the slider back to the normal position.

It should be noted that when the slider is in a crash condition, the operation of resetting the circuit of the slider can be achieved by pressing the reset button 152 on the fourth circuit board 15 with a sharp object through the reset hole 117.

The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a physics experiment mechanics slider which characterized in that: the wireless sensor comprises a shell, a carrying disc, a gravity sensor, a connecting block, a fourth circuit board, a battery, a first circuit board, a second circuit board, a third circuit board, a first lens, a second lens, a third lens, a cover plate, a wireless induction coil and a magnet; the shell includes drag hook, first spigot surface, second spigot surface, third spigot surface, fourth spigot surface, magnet installation position, reset hole, drag hook and tensiometer lock joint, first spigot surface is the lower bottom surface of slider, and the apron is installed in the slider, second spigot surface and third spigot surface are the side of slider, are equipped with the recess on the third spigot surface, the fourth spigot surface is located the back of slider, and the top is equipped with magnet installation position and reset hole, magnet installation position is a recess, and the magnet embedding is installed in the recess, the reset hole is a aperture, the downthehole reset button that is equipped with on the fourth circuit board.

2. The physical experiment mechanical slide block as claimed in claim 1, wherein: the object carrying plate is in a basin shape, the four sides are high, the middle is low, the lower part is connected with the gravity sensor through bolts, and a heavy object with a certain weight can be placed on the upper part.

3. The physical experiment mechanical slide block as claimed in claim 1, wherein: the upper part of the gravity sensor is connected with the object carrying disc, and the lower part of the gravity sensor is connected with the connecting block and electrically connected with the fourth circuit board.

4. The physical experiment mechanical slide block as claimed in claim 1, wherein: the connecting block is arranged on the upper portion of the shell and comprises a gravity sensor mounting position, a battery mounting position, a fourth circuit board mounting position and a boss, the gravity sensor is mounted on the gravity sensor mounting position, the battery mounting position is connected with batteries in a clamping mode through positioning baffles, the fourth circuit board mounting position is a screw hole with unlimited number and is provided with a fourth circuit board, the boss is located on the lower portion of the connecting block, and the shell and the connecting block are fixed through bolts.

5. The physical experiment mechanical slide block as claimed in claim 1, wherein: the fourth circuit board is arranged above the connecting block and is rectangular, the fourth circuit board comprises a base plate, a reset button and a circuit board screw hole, the base plate is a base body of the fourth circuit board, the reset button is located on the upper portion of the fourth circuit board, and the circuit board screw hole is fixedly assembled with the connecting block through a bolt.

6. The physical experiment mechanical slide block as claimed in claim 1, wherein: the battery is arranged on the upper part of the connecting plate and is electrically connected with the fourth circuit board.

7. The physical experiment mechanical slide block as claimed in claim 1, wherein: the shape and the function of the first circuit board, the second circuit board and the third circuit board are consistent, the first circuit board is arranged on the back face of the first sliding face, the second circuit board is arranged on the back face of the second sliding face, the third circuit board is arranged on the back face of the third sliding face, the first circuit board comprises a base body, a light-emitting diode, a photoelectric sensor and an assembling screw hole, the base body is the base body of the first circuit board, the light-emitting diode is welded on the first circuit board, the photoelectric sensor is welded on the first circuit board, and the assembling screw hole is fixedly assembled with the shell through a bolt.

8. The physical experiment mechanical slide block as claimed in claim 1, wherein: the first lens, the second lens and the third lens are respectively arranged above the first sliding surface, the second sliding surface and the third sliding surface, and the light lens is arranged below the first circuit board, the second circuit board and the third circuit board.

9. The physical experiment mechanical slide block as claimed in claim 1, wherein: the cover plate is rectangular and is arranged below the first sliding surface.

10. The physical experiment mechanical slide block as claimed in claim 1, wherein: the wireless induction coil and the back surface of the fourth sliding surface are electrically connected with the fourth circuit board.