CN115249425A - Economic management class teaching presentation device - Google Patents
Economic management class teaching presentation device Download PDFInfo
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- CN115249425A CN115249425A CN202210017279.9A CN202210017279A CN115249425A CN 115249425 A CN115249425 A CN 115249425A CN 202210017279 A CN202210017279 A CN 202210017279A CN 115249425 A CN115249425 A CN 115249425A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/18—Book-keeping or economics
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
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Abstract
The invention provides an economic management type teaching demonstration device, and relates to the field of teaching aids. The economic management teaching demonstration device comprises a demonstration assembly, wherein the demonstration assembly comprises a demonstration board, a plurality of driving parts and connecting ropes, the driving parts comprise rodless cylinders, the rodless cylinders comprise fixing parts and sliding parts, the fixing parts are vertically arranged in the length direction of the demonstration board at uniform intervals, the connecting ropes are sequentially connected with the sliding parts, and storage parts are arranged on the demonstration board and used for storing the connecting ropes; the demonstration board is provided with a processor, and the processor is connected with the driving pieces respectively. This presentation device is used in economic management science teaching has solved current chart and has all been based on the theory as main, and teacher's teaching is accomplished through courseware and blackboard writing mostly to make the teaching atmosphere boring, the student is difficult to improve the interest in learning, the not good problem of teaching effect.
Description
Technical Field
The invention relates to the field of teaching aids, in particular to an economic management type teaching demonstration device.
Background
Management is developed under the conditions of modern socialized mass production and on the basis of the increasing development of natural science and social science.
In the teaching process of economic management science, often have the demonstration teaching of chart, but present chart all is leading with the theory, and teacher's teaching is accomplished through courseware and blackboard writing mostly to make the teaching atmosphere boring, the student is difficult to improve the interest in learning, and teaching effect is not good, designs a presentation device for economic management science teaching to this.
Disclosure of Invention
The invention aims to provide an economic management type teaching demonstration device which can solve the problems that the existing charts are mainly theoretical, and the teaching of teachers is mostly completed through courseware and blackboard writing, so that the teaching atmosphere is boring, students are difficult to improve the learning interest, and the teaching effect is poor.
The embodiment of the invention is realized by the following steps:
the embodiment of the application provides an economic management type teaching demonstration device which comprises a demonstration assembly, wherein the demonstration assembly comprises a demonstration board, a plurality of driving parts and connecting ropes, the driving parts comprise rodless cylinders, the rodless cylinders comprise fixing parts and sliding parts, the fixing parts are vertically arranged in the length direction of the demonstration board at uniform intervals, the connecting ropes are sequentially connected with the sliding parts, and storage parts are arranged on the demonstration board and used for storing the connecting ropes; the demonstration board is provided with a processor, and the processor is connected with the driving pieces respectively.
In some embodiments of the present invention, a communication module is connected to the processor, and the communication module is configured to connect to a mobile terminal.
In some embodiments of the present invention, the receiving member includes a rotating shaft and a sleeve, a cross section of the sleeve is a U-shaped structure, the sleeve is sleeved on the rotating shaft, and the rotating shaft is disposed on the demonstration board.
In some embodiments of the present invention, the demonstration board is provided with a tightening device, the tightening device includes a servo motor, the rotating shaft is disposed at an output end of the servo motor, and the servo motor and the rotating shaft can rotate coaxially.
In some embodiments of the invention, the demonstration board is provided with a scale band parallel to the fixing portion.
In some embodiments of the present invention, the demonstration board is provided with a power supply, and the power supply is connected with the processor.
In some embodiments of the present invention, a control switch is connected in series between the processor and the power supply, and the control switch is disposed on the demonstration board.
In some embodiments of the present invention, the demonstration board is provided with a support, the support includes a base and a support rod, and the support rod is a telescopic structure.
In some embodiments of the present invention, the demonstration board is provided with a projection assembly, the projection assembly includes a roller and a projection cloth, the projection cloth is rolled up on the roller, and the roller is disposed on the demonstration board.
In some embodiments of the invention, a fixing rod is arranged at one end of the projection cloth, a fixing groove is arranged at one side of the demonstration board far away from the roller, and the fixing rod can extend into the fixing groove.
Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects:
the embodiment of the application provides an economic management type teaching demonstration device which comprises a demonstration assembly, wherein the demonstration assembly comprises a demonstration board, a plurality of driving parts and connecting ropes, the driving parts comprise rodless cylinders, the rodless cylinders comprise fixing parts and sliding parts, the fixing parts are vertically arranged in the length direction of the demonstration board at uniform intervals, the connecting ropes are sequentially connected with the sliding parts, and storage parts are arranged on the demonstration board and used for storing the connecting ropes; the demonstration board is provided with a processor, and the processor is connected with the driving pieces respectively. The demonstration assembly is used for displaying economic charts in books and courseware, so that the charts can be changed into adjustable entities conveniently, the learning interest of students is improved, and the acceptance degree of the students is increased. The demonstration board is used for bearing parts for displaying the charts, and can be conveniently carried and displayed. The driving piece is used for driving the data of the positioning chart, so that the positioning identification of the data is facilitated, the use of a user is facilitated, and the automation degree of the user is improved. The connecting rope is used for connecting the positioned driving parts, so that the driving parts are connected into a complete chart, and a learner can observe the integral data trend conveniently and understand conveniently. The rodless cylinder is the preferred material of the driving part, and the control of the rodless cylinder on the data node is convenient. The fixed part is used for driving the sliding part to move, so that a user can conveniently drive the data node to move accurately, and the use of the data node is facilitated. The sliding part is used for positioning the nodes of the data and connecting the connecting rope, so that the data graph is accurately restored by the sliding part, and the using effect of the sliding part is improved. The above-mentioned fixed part is vertical and even interval sets up in above-mentioned demonstration board, the image setting of its data of being convenient for, the understanding of being convenient for. The receiving piece is used for receiving the connecting rope, and the connecting rope is used for expressing the trend of data of the connecting rope, so that visual observation is facilitated, and abstract data of the connecting rope is visualized. The processor is used for converting data of the graph, sequentially driving the air cylinders to move, generating a demonstration graph of the graph, improving the demonstration intelligence and avoiding manual massage errors.
Therefore, the economic management teaching demonstration device can show the charts of teaching in the physical structure in front of the students, so that the charts are more active, the learning interest of the students is strong, the acceptance is strong, and the automation degree is high.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic bottom view of the embodiment of the present invention;
fig. 3 is a schematic view of a connecting rope mounting structure according to an embodiment of the present invention.
Icon: 1-a demonstration board; 2-a drive member; 201-a fixed part; 202-a sliding part; 3-connecting a rope; 4-a receiving member; 401-a spindle; 402-a sleeve; 5-a processor; 6-a power supply; 7-a servo motor; 8-a graduated belt; 9-control switch; 10-a through hole; 11-a support cylinder; 12-erecting a rod; 13-a base; 14-a fixed groove; 15-fixing the rod; 16-projection cloth; 17-a roller; 18-light source.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the orientations or positional relationships are only used for convenience of describing the present invention and simplifying the description, but the terms do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operate, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" represents at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Examples
Referring to fig. 1-3, fig. 1 is a schematic structural diagram according to an embodiment of the present invention; FIG. 2 is a schematic bottom view of the embodiment of the present invention; fig. 3 is a schematic view of a connecting rope mounting structure according to an embodiment of the present invention.
The embodiment provides an economic management teaching demonstration device which comprises a demonstration assembly, wherein the demonstration assembly comprises a demonstration board 1, a plurality of driving pieces 2 and connecting ropes 3, each driving piece 2 comprises a rodless cylinder, each rodless cylinder comprises a fixing portion 201 and a sliding portion 202, the fixing portions 201 are vertically arranged in the length direction of the demonstration board 1 at uniform intervals, the connecting ropes 3 are sequentially connected with the sliding portions 202, storage pieces 4 are arranged on the demonstration board 1, and the storage pieces 4 are used for storing the connecting ropes 3; the demonstration board 1 is provided with a processor 5, and the processor 5 is respectively connected with the plurality of driving pieces 2. The demonstration assembly is used for displaying economic charts in books and courseware, so that the charts can be changed into adjustable entities conveniently, the learning interest of students is improved, and the acceptance degree of the students is increased.
In the present embodiment, the demonstration board 1 is used for carrying parts for displaying charts, and can be conveniently carried and displayed. The driving part 2 is used for driving the data of the positioning chart, so that the positioning identification of the data is facilitated, the use of a user is facilitated, and the automation degree of the user is improved.
In this embodiment, the connecting rope 3 is used to connect the positioned driving members 2 to form a complete graph, so that the learner can observe the overall data trend conveniently, and the learner can understand the data trend conveniently. The rodless cylinder is the preferred material for the driving member 2, which facilitates its control of the data node. The fixed portion 201 is used for driving the sliding portion 202 to move, so that a user can conveniently drive the data node to move forward and use the data node.
In this embodiment, the sliding part 202 is used to locate the nodes of the data and connect the connecting rope 3, so as to accurately restore the data graph, thereby improving the use effect. The fixing portions 201 are vertically and uniformly arranged on the demonstration board 1 at intervals, so that the data can be conveniently arranged and understood. The receiving member 4 is used for receiving the connection rope 3, and the connection rope 3 is used for expressing the trend of the data, so that the visual observation is facilitated, and the abstract data is visualized.
In this embodiment, the processor 5 is configured to convert data of the graph thereof, sequentially drive the cylinders to move, and generate a demonstration diagram of the graph thereof, so as to improve intelligence of demonstration thereof and avoid errors of manual manipulation.
In this embodiment, the connecting rope 3 is a light guide strip, and the light guide strip is made of PVC material and TPU material or optical fiber material. The LED lamp has the advantages of small power loss, soft light and the like, does not have ultraviolet rays, is rich in color and elasticity, can be cut into any complicated shape, and has the characteristics of long service life, simplicity in installation, free cutting and the like. Preferably, the light guide strip is actually soft and can be curled, and is made of 2 materials, namely 2 materials, wherein one material is soft light guide formed by gathering glass fibers into bundles, the other material is special acrylic as an inner layer, and fluororesin is wrapped as an outer layer. It can be convenient for it to accomodate and stretch and promote its effect.
In this embodiment, the processor 5 is a single chip, which is an integrated circuit chip, and is a small and perfect microcomputer system formed by integrating the functions of a central processing unit 5CPU with data processing capability, a random access memory RAM, a read only memory ROM, various I/O ports, interrupt systems, timers/counters (possibly including a display driving circuit, a pulse width modulation circuit, an analog multiplexer, an a/D converter, and the like) onto a silicon chip by using the super-large scale integrated circuit technology, and is widely applied in the field of industrial control. Facilitating its driving of the above-mentioned driver 2.
The light source 18 is arranged at the end part of the light guide bar, the light source 18 is arranged at the sliding part 202 of the rodless cylinder at the rightmost side and is aligned with the connecting rope 3, so that the connecting rope 3 can emit light, the observation of students is facilitated, and the service performance is improved.
Referring to fig. 1 to fig. 3, in some embodiments of the present embodiment, a communication module is connected to the processor 5, and the communication module is configured to be connected to a mobile terminal. The communication module is used for receiving command information sent by the mobile terminal, so that data can be conveniently input through the mobile terminal including a computer or a mobile phone to generate a demonstration chart, and the data input mode is increased.
Referring to fig. 1 to 3, in some embodiments of the present invention, the receiving member 4 includes a rotating shaft 401 and a sleeve 402, a cross section of the sleeve 402 is a U-shaped structure, the sleeve 402 is sleeved on the rotating shaft 401, and the rotating shaft 401 is disposed on the demonstration board 1. Above-mentioned pivot 401 is used for the drive of above-mentioned sleeve 402, is convenient for it to rotate this pivot 401 to drive this sleeve 402, make its connect in rope 3 can slowly accomodate the recess that gets into this U-shaped structure, be convenient for it to connecting rope 3's control, thereby control its elasticity degree of connecting rope 3, promote its effect of using the observation.
Referring to fig. 1-3, in some embodiments of the present embodiment, the demonstration board 1 is provided with a tightening device, the tightening device includes a servo motor 7, a rotating shaft 401 is disposed at an output end of the servo motor 7, and the servo motor 7 and the rotating shaft 401 can rotate coaxially. The tightening device is used for mechanically driving the rotating shaft 401 to rotate, so that hands of a user can be conveniently liberated, and time and labor are saved.
In the present embodiment, the servo motor 7 is an engine that controls the operation of mechanical elements in a servo system, and is a supplementary motor indirect transmission. The servo motor 7 can control the speed, the position precision is very accurate, and a voltage signal can be converted into torque and rotating speed to drive a control object. The rotation speed of the rotor of the servo motor 7 is controlled by the input signal and can quickly respond, the servo motor is used as an actuating element in an automatic control system, has the characteristics of small electromechanical time constant, high linearity and the like, and can convert the received electric signal into angular displacement or angular speed on the motor shaft for output. The servo motor is divided into two categories of direct current servo motors and alternating current servo motors, and is mainly characterized in that when the signal voltage is zero, the signal voltage has no autorotation phenomenon, and the rotating speed is reduced at a constant speed along with the increase of the torque. The motor is free of maintenance, high in efficiency, low in operation temperature, small in electromagnetic radiation and long in service life, and can be used in various environments. When the servo motor 7 is tightly connected with the rope 3, the motor is immediately turned off to maintain the tight state.
In other embodiments, the servo motor 7 is provided with an overload protection system, so that when the connecting rope 3 is tightened to reach a preset value, the servo motor 7 is controlled to stop running.
Referring to fig. 1-3, in some embodiments of the present invention, the demonstration board 1 is provided with a calibration band 8 parallel to the fixing portion 201. The driving members 2 are correspondingly provided with the scale bands 8, and the scale bands 8 are used for displaying the movement positions of the sliding portions 202, so that the users can observe the movement positions conveniently, the driving positions of the sliding portions 202 can be verified conveniently, and the position accuracy is improved.
Referring to fig. 1-3, in some embodiments of the present invention, the demonstration board 1 is provided with a power source 6, and the power source 6 is connected to the processor 5. The power supply 6 is used for supplying power to the electronic components such as the driving member 2 and the processor 5, and is convenient for using the single body.
In the present embodiment, the power source 6 may be a lithium ion battery, which is a secondary battery (rechargeable battery) that mainly operates by movement of lithium ions between a positive electrode and a negative electrode. During the charge and discharge process, lithium ions are intercalated and deintercalated between the two electrodes: during charging, lithium ions are extracted from the positive electrode and are inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge. The lithium ion battery has high energy density and high average output voltage. Small self-discharge, good battery, below 2% per month (recoverable). There is no memory effect. The working temperature range is-20 ℃ to 60 ℃. The cycle performance is excellent, the charge and discharge can be carried out quickly, the charging efficiency is up to 100%, and the output power is high. The service life is long. Contains no toxic and harmful substances, and is called green battery. The environment-friendly effect is achieved, and the environment-friendly performance of the use can be improved.
Referring to fig. 1-3, in some embodiments of the present invention, a control switch 9 is connected in series between the processor 5 and the power source 6, and the control switch 9 is disposed on the demonstration board 1. The control switch 9 is used for controlling the switch of the controller in real time, so that the controller can be conveniently switched on and off according to the use requirement, the use performance of the controller is improved, and the controller is convenient to save electric energy.
Referring to fig. 1 to 3, in some embodiments of the present embodiment, the demonstration board 1 is provided with a support, the support includes a base 13 and a support rod, and the support rod is a telescopic structure. The support is used for supporting the demonstration board 1, and is convenient for observation of a user. The base 13 is a plate body, which can increase the stability of the demonstration board 1. The telescopic structure is convenient for lifting the support, and the height of the support can be adjusted according to the use condition of the support.
In this embodiment, the supporting rod includes a vertical rod 12 and a supporting cylinder 11, the supporting cylinder 11 is disposed at the bottom of the demonstration board 1, the vertical rod 12 is vertically fixed on a base 13, the vertical rod 12 is inserted into the supporting cylinder 11, a plurality of through holes 10 are correspondingly formed on the vertical rod 12 and the supporting cylinder 11, and the supporting rod can be inserted into the corresponding through holes 10 by using a plug, that is, the supporting rod is fixed.
Referring to fig. 1 to fig. 3, in some embodiments of the present embodiment, the demonstration board 1 is provided with a projection assembly, the projection assembly includes a roller 17 and a projection cloth 16, the projection cloth 16 is rolled on the roller 1717, and the roller 17 is disposed on the demonstration board 1. Above-mentioned projection subassembly is used for providing the projected background when the teaching, is convenient for its entity and projected integrative the use, promotes the convenience of its teaching. The roller 17 is used for accommodating the projection cloth 16, so that the projection cloth 16 can be conveniently stored and released, the space is saved, and the roller is tidier.
In this embodiment, the projection cloth 16 is made of polyvinyl chloride (PVC), which is a polymer obtained by polymerizing Vinyl Chloride Monomer (VCM) with an initiator such as peroxide and azo compound or by a radical polymerization mechanism under the action of light and heat. Vinyl chloride homopolymers and vinyl chloride copolymers are collectively referred to as vinyl chloride resins. Preferably, a high light transmittance PVC material is used.
Referring to fig. 1-3, in some embodiments of the present invention, a fixing rod 15 is disposed at one end of the projection cloth 16, a fixing groove 14 is disposed at a side of the demonstration board 1 away from the roller 17, and the fixing rod 15 can extend into the fixing groove 14. The fixing rod 15 is used for covering the projection cloth 16 on the demonstration board 1, so that the demonstration board is convenient to match with a projector for projection teaching. The fixing groove 14 is an L-shaped groove body, so that the fixing rod 15 can be conveniently stretched into the fixing groove, the fixing effect is improved, and the falling off of the fixing groove can be effectively avoided.
In summary, the embodiment of the present invention provides an economic management teaching demonstration apparatus, which includes a demonstration component, the demonstration component includes a demonstration board 1, a plurality of driving members 2 and a connection rope 3, the driving members 2 include rodless cylinders, the rodless cylinders include fixing portions 201 and sliding portions 202, the fixing portions 201 are vertically disposed in the length direction of the demonstration board 1 at uniform intervals, the connection rope 3 is sequentially connected to the sliding portions 202, a storage member 4 is disposed on the demonstration board 1, and the storage member 4 is used for storing the connection rope 3; the demonstration board 1 is provided with a processor 5, and the processor 5 is respectively connected with the plurality of driving pieces 2. The demonstration assembly is used for displaying economic charts in books and courseware, so that the charts can be changed into adjustable entities conveniently, the learning interest of students is improved, and the acceptance degree of the students is increased. The demonstration board 1 is used for bearing parts for displaying charts, and can be conveniently carried and displayed. The driving part 2 is used for driving the data of the positioning chart, so that the positioning identification of the data is facilitated, the use of a user is facilitated, and the automation degree of the positioning chart is improved. The connecting rope 3 is used for connecting the positioned driving parts 2 to form a complete chart, so that a learner can observe the integral data trend conveniently, and the learner can understand the data trend conveniently. The rodless cylinder is the preferred material for the driving member 2, and facilitates the control of the data node. The fixing portion 201 is used for driving the sliding portion 202 to move, so that a user can conveniently drive the data node to move forward and backward, and the use is convenient. The sliding part 202 is used for positioning the data nodes and connecting the connecting rope 3, so that the data graph is accurately restored, and the use effect is improved. The fixing portions 201 are vertically and uniformly arranged on the demonstration board 1 at intervals, so that the data can be conveniently arranged and understood. The receiving member 4 is used for receiving the connection rope 3, and the connection rope 3 is used for expressing the trend of the data, so that the visual observation is facilitated, and the abstract data is visualized. The processor 5 is used for converting data of the graph, sequentially driving the air cylinders to move, and generating a demonstration graph of the graph, so that the demonstration intelligence is improved, and errors of manual manipulation can be avoided.
Therefore, the economic management teaching demonstration device can display the teaching chart in front of the student in an entity structure, so that the chart is more vigorous, the learning interest of the student is strong, the acceptance is strong, and the automation degree is high.
The present invention has been described in terms of the preferred embodiment, and it is not intended to be limited to the embodiment. 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 economic management teaching demonstration device is characterized by comprising a demonstration component, wherein the demonstration component comprises a demonstration board, a plurality of driving parts and connecting ropes, the driving parts comprise rodless cylinders, the rodless cylinders comprise fixing parts and sliding parts, the fixing parts are vertically arranged in the length direction of the demonstration board at uniform intervals, the connecting ropes are sequentially connected with the sliding parts, and the demonstration board is provided with storage parts for storing the connecting ropes;
the demonstration board is provided with a processor, and the processor is connected with the driving pieces respectively.
2. The economic management type teaching demonstration device according to claim 1, wherein a communication module is connected to the processor, and the communication module is used for being connected with a mobile terminal.
3. The economic management type teaching demonstration device according to claim 2, wherein the receiving member comprises a rotating shaft and a sleeve, the cross section of the sleeve is of a U-shaped structure, the rotating shaft is sleeved with the sleeve, and the rotating shaft is arranged on the demonstration board.
4. The economic management type teaching demonstration device according to claim 3, wherein the demonstration board is provided with a tightening device, the tightening device comprises a servo motor, the rotating shaft is arranged at the output end of the servo motor, and the servo motor and the rotating shaft can rotate coaxially.
5. The economic management type teaching demonstration device according to claim 2 wherein said demonstration board is provided with a graduated tape parallel to said fixed portion.
6. The economic management type teaching demonstration device according to claim 5, wherein a power supply is provided on the demonstration board, and the power supply is connected with the processor.
7. The economic management type teaching demonstration device according to claim 6, wherein a control switch is connected in series between the processor and the power supply, and the control switch is arranged on the demonstration board.
8. The economic management class teaching presentation device of claim 7, wherein be provided with the support on the demonstration board, the support includes base and bracing piece, the bracing piece is extending structure.
9. The economic management type teaching demonstration device according to claim 8, wherein the demonstration board is provided with a projection assembly, the projection assembly comprises a roller and a projection cloth, the projection cloth is rolled on the roller, and the roller is arranged on the demonstration board.
10. The economic management teaching demonstration device according to claim 9 wherein one end of the projection cloth is provided with a fixing rod, one side of the demonstration board away from the roller is provided with a fixing groove, and the fixing rod can extend into the fixing groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210017279.9A CN115249425A (en) | 2022-01-07 | 2022-01-07 | Economic management class teaching presentation device |
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| CN202210017279.9A CN115249425A (en) | 2022-01-07 | 2022-01-07 | Economic management class teaching presentation device |
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| CN213877082U (en) * | 2020-12-14 | 2021-08-03 | 湘南学院 | Economic management bilingual teaching is with show board |
| CN214253569U (en) * | 2021-02-19 | 2021-09-21 | 沈阳科技学院 | Presentation device is used in teaching of economic management science |
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