CN113554929B - Demonstration device based on automatic control principle - Google Patents
Demonstration device based on automatic control principle Download PDFInfo
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- CN113554929B CN113554929B CN202110853064.6A CN202110853064A CN113554929B CN 113554929 B CN113554929 B CN 113554929B CN 202110853064 A CN202110853064 A CN 202110853064A CN 113554929 B CN113554929 B CN 113554929B
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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Abstract
The invention belongs to the technical field of demonstration equipment, and particularly relates to a demonstration device based on an automatic control principle. The device comprises a central panel, a plurality of signal flow direction simulation devices, a plurality of machine simulation blocks and a plurality of wiring boards; the central panel comprises a panel surface, a switch panel and a controller chip, wherein the switch panel and the controller chip are mounted on the panel surface; the signal flow direction simulation device comprises a control flow mounting seat, a control flow power device, a guide pipe, a movable ball, an output flow mounting seat, an output flow power device and an object recognizer; the machine simulation block is arranged on the side of the output flow mounting seat and is connected with the output flow power device in series in a one-to-one correspondence manner; and the wiring board is provided with a power supply and a wiring slot. The device can visualize the process of an abstract automatic control principle and facilitate the understanding of the control principle.
Description
Technical Field
The invention belongs to the technical field of demonstration equipment, and particularly relates to a demonstration device based on an automatic control principle.
Background
Automatic control (principle) means that a certain working state or parameter (i.e. controlled quantity) of a machine, equipment or a production process (collectively referred to as a controlled object) automatically operates according to a predetermined rule by using an additional device or apparatus (referred to as a controller) without direct participation of a person. The controller is the most critical control device, and the controller is a machine device or a system to replace a human to complete a certain production task, or replace the human to realize a certain process, or replace the human to perform affair management work. Strictly speaking, a controller means an operation device which can automatically realize the expectation of a machine device or a production management process through automatic detection, information processing, analysis and judgment without direct participation of people. The controller has the capability of inputting and outputting signals, can receive information transmitted by various detectors and the like, processes the information, and controls the operation of components such as a motor and the like so as to realize automatic control.
However, since the signal flow between the controller and each of the connection parts is embodied in the form of pulses or currents, which cannot be visualized, it is not easy for a beginner to understand the principle of the automatic control, and thus, a device capable of demonstrating the principle of the automatic control is required.
Disclosure of Invention
In order to solve the technical problems, the invention provides a demonstration device based on an automatic control principle.
The invention aims to provide a demonstration device based on an automatic control principle, which comprises a central panel, a plurality of signal flow direction simulation devices, a plurality of machine simulation blocks and a plurality of wiring boards, wherein the central panel is provided with a plurality of signal flow direction simulation devices;
the central panel comprises a panel surface, a switch panel and a real controller chip, and the panel surface is provided with the switch panel and the controller chip;
the signal flow direction simulation device comprises a control flow mounting seat, a control flow power device, a guide pipe, a movable ball, an output flow mounting seat, an output flow power device and an object recognizer; the control flow mounting seat is mounted on the side edge of the central panel, the conduit is connected between the control flow mounting seat and the output flow mounting seat, the control flow power device is mounted in the control flow mounting seat, the output end of the control flow power device is positioned in the conduit, the output flow power device is mounted in the output flow mounting seat, the output end of the output flow power device is positioned in the conduit, the movable ball is placed in the conduit and positioned between the control flow power device and the output flow power device, and the object identifier is arranged in the conduit and used for identifying the position of the movable ball; a plurality of said signal flow simulation means distributed around said central panel; (ii) a
The machine simulation blocks are correspondingly arranged on the side edges of the output flow mounting bases one by one, and the machine simulation blocks are connected with the output flow power devices corresponding to the machine simulation blocks in series;
the wiring board is provided with a power supply and a plurality of wiring slots electrically connected with the power supply, and the machine simulation block is detachably connected with the wiring slots in series;
the controller chip is electrically connected with the switch panel, the control flow power device, the output flow power device, the object identifier and the power supply respectively.
Preferably, above-mentioned presentation device based on automatic control principle, the center panel still includes display, bee calling organ, install on the face the display bee calling organ, the controller chip respectively with the display with bee calling organ electricity is connected.
Preferably, the demonstration device based on the automatic control principle is characterized in that the control flow power device and the output flow power device are blowers, vibrating machines or ejectors.
Preferably, in the demonstration device based on the automatic control principle, the connection relationship between the components of the signal flow simulation device is set as a detachable connection.
Preferably, the above demonstration device based on the automatic control principle is characterized in that the guide pipe is provided with an indicator light band, and the indicator light band is connected in series with the output flow power device.
Preferably, according to the demonstration device based on the automatic control principle, the top of the guide pipe is provided with the through groove along the length direction of the guide pipe, the movable ball is provided with the limiting part, and the outer wall of the guide pipe is provided with the locking part matched with the limiting part.
Preferably, in the demonstration apparatus based on the automatic control principle, the object identifier is a pressure sensor or an infrared pair tube.
Preferably, in the demonstration apparatus based on the automatic control principle, the object identifier includes the following structure: the pressure sensor, the movable plate, the elastic piece and the adsorption piece are arranged on the base;
be equipped with the baffle in the control flow mount pad, adsorb the piece and be the cavity structure, it is located just be close to in the control flow mount pad the activity ball sets up, it is located to adsorb a one end in the pipe, just adsorb the piece orientation the one side of activity ball is equipped with can attract the attraction part of activity ball, control flow power device locates in adsorbing the piece, pressure sensor, fly leaf, elastic component all set up in the control flow mount pad, and be located the baffle with adsorb between the piece, and pressure sensor sets up on the baffle, the one end of elastic component is installed adsorb on the piece, the other end is installed the fly leaf.
Preferably, above-mentioned presentation device based on automatic control principle, the control flow mount pad with all correspond on the output flow mount pad and be equipped with one the object recognition ware.
Preferably, in the demonstration apparatus based on the automatic control principle, the number of the plug wire slots is equal to that of the machine simulation blocks, the plug wire slots and the machine simulation blocks are in one-to-one correspondence in position, and the power supply and the plug wire slots are connected in parallel.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention simulates the function of a real controller in the automatic control principle through the central panel, simulates the signal flow direction through the signal flow direction simulation device, helps people to understand the signal flow in different control works, simulates each working component controlled by a real controller chip through the machine simulation block, visualizes the process of the abstract automatic control principle, and is convenient to understand the control principle.
2. The invention also displays the signal flow direction analog information through the display, and sends out alarm sound through the buzzer; distinguishing a signal flow direction analog device in which an analog signal flows from other signal flow direction analog devices which do not work through the indicator light band; the position of the movable ball is limited by the limiting component and the locking component; the position of the movable ball is identified through the object identifier with a special structure, so that the device is convenient to operate automatically, the operation of personnel is reduced, and the operation process and the operation result are convenient to observe.
Drawings
Fig. 1 is a schematic structural diagram of a demonstration apparatus based on an automatic control principle according to embodiment 1 of the present invention;
FIG. 2 is a view showing the connection of the catheter and its internal components in example 2 of the present invention;
FIG. 3 is a schematic diagram of a signal flow direction simulation apparatus according to embodiment 3 of the present invention;
fig. 4 is a cross-sectional view perpendicular to the axis of the catheter of the signal flow direction simulation device according to example 3 of the present invention.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention to be implemented, the present invention will be further described with reference to the following specific embodiments and accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Example 1
A demonstration device based on an automatic control principle, referring to fig. 1, comprises a central panel 1, a plurality of signal flow direction simulation devices 2, a plurality of machine simulation blocks 3 and a plurality of wiring boards 4, wherein the central panel 1 simulates the functions of a controller in the automatic control principle, such as a simulation singlechip and a PLC controller. The central panel 1 includes a panel 11, a display 12, a buzzer 13, a switch panel 14 and a real controller chip, the panel 11 adopts a flat panel structure, and may be made of an insulating material, such as a plastic material, the panel 11 is provided with the display 12, the buzzer 13, the switch panel 14 and the controller chip, the controller chip is respectively electrically connected with the display 12, the buzzer 13 and the switch panel 14, and the controller chip adopts a single chip microcomputer and a PLC controller.
The signal flow direction simulator 2 is used for simulating signal flow directions and helping people understand signal flow in different control works, and the signal flow direction simulator 2 comprises a control flow mounting seat 21, a control flow power device 22, a conduit 23, a movable ball 24, an output flow mounting seat 25, an output flow power device 26 and an object recognizer; the signal flow simulator 2 and the output flow mounting base 25 are both hollow housings which may be cylindrical or cubic and have the same structure; the control flow power device 22 and the output flow power device 26 are devices that can move the movable ball 24, and they may be blowers, vibrators, small ejectors, or the like. The plurality of signal flow direction simulation devices 2 are distributed laterally of the center panel 1, and may be uniformly distributed in the circumferential direction for the sake of appearance. Control flow mount pad 21 is installed on 1 side of center panel, it has seted up the opening on keeping away from 1 side of center panel, control flow power device 22 is installed in control flow mount pad 21, the one end of pipe 23 is connected on control flow mount pad 21, the opening is worn out to control flow power device 22's output, be located pipe 23, it is uncovered to have seted up on 1 side of center panel towards output flow mount pad 25, output flow power device 26 installs in output flow mount pad 25, and the output of output flow power device 26 wears out the uncovered, and be located pipe 23, movable ball 24 places in pipe 23, and be located between control flow power device 22 and the output flow power device 26. An object identifier is disposed within the conduit 23 and adjacent to the control flow motive device 22 for identifying the position of the movable ball 24, which may employ a pressure sensor or an infrared pair of tubes. The controller chip is also electrically connected to the control flow dynamics device 22, the output flow dynamics device 26, and the object identifier, respectively.
Preferably, to facilitate the installation of the components, the connection relationship between the components of the signal flow simulation device 2 is set as a detachable connection, such as a threaded connection or a bolt connection.
The machine simulation block 3 is used for simulating each working component controlled by a real controller chip, such as a simulation sensor, a memory, a motor and the like, the machine simulation block 3 is of a block shape, a strip shape, a solid shape or a hollow shape, the machine simulation block 3 is installed on the side of the output flow installation seat 25 in a one-to-one correspondence manner, the machine simulation block 3 is arranged on the side of the output flow installation seat 25 and is arranged on the side of the output flow installation seat 25, each machine simulation block 3 corresponds to one output flow power device 26, the corresponding machine simulation block 3 and the output flow power devices 26 are connected in series through a conducting wire strip 31, and the conducting wire strip 31 is made of conducting materials such as metal.
The principle of simulating automatic control using the structure of the present embodiment is as follows: a switch is arranged on the switch panel 14, and in an initial state, the switch at the upper end of the switch panel 14 is turned off, so that all parts electrically connected with the real controller chip are in a non-working state, and all the movable balls 24 are also in a static state; when the wire guide 31 corresponding to any one of the machine simulation blocks 3 is inserted into the corresponding wire insertion slot 41, the output flow force device 26 corresponding to the machine simulation block 3 starts to operate, and forces the movable ball 24 to move toward the flow mounting seat 21, i.e., toward the center panel 1, and if the machine simulation block 3 simulates the operation of a sensor and the center panel 1 simulates the operation of a controller, the flow direction of the movable ball 24 simulates the process of sending a signal from the sensor to the controller. When the movable ball 24 moves to the position of the object identifier, the movable ball is identified, the object identifier sends a signal to the controller chip at the moment to represent that the signal simulation process is completed, then the controller chip sends information to the display 12 to display the signal flow direction simulation information, for example, the moving time and the moving distance of the movable ball 24 are displayed, the position information of the machine simulation block 3 is displayed to facilitate the personnel to understand the signal flowing process, and then the controller chip controls the buzzer 13 to give an alarm sound to remind the personnel to watch the information on the display 12.
It should be noted that, different signal flow direction simulation devices 2 may be respectively provided with switches, the switches are all on the switch panel 14, and the signal flow direction simulating the operation of the controller control component in the automatic control system can be realized by controlling the operation of a certain control flow power device 22 through the corresponding switch on the switch panel 14.
Preferably, in order to distinguish the signal flowing to the analog device 2 in the analog signal from other signal flowing to the analog device 2 which is not working, an indicator light strip is installed on the sidewall of each conduit 23 in the present embodiment, and the indicator light strip is connected in series with the output flow power device 26, so that when the output flow power device 26 works, the indicator light strip corresponding to the output flow power device lights.
Example 2
A demonstration device based on an automatic control principle is basically the same as the structure of embodiment 1, except that referring to fig. 2, a through groove 231 is formed in the top of a conduit 23 along the length direction of the conduit, a limiting part is arranged on a movable ball 24, for example, a through hole is formed in the movable ball 24, or the movable ball 24 is a magnetic ball, a locking part 232 matched with the limiting part is arranged on the outer wall of the conduit 23, the locking part 232 can be a bolt matched with the through hole or a magnet matched with the magnetic ball, and the locking part 232 is connected to the outer wall of the conduit 23 in a threaded or hinged mode and is arranged close to an output flow power device 26. The purpose of this embodiment's structure is when the presentation device is not used, can be with activity ball 24 spacing, prevent its shake, also can make activity ball 24 be close output flow power device 26 and set up, be convenient for receive the power that output flow power device 26 gave.
Example 3
A play apparatus based on an automatic control principle, which has substantially the same structure as that of embodiment 2 except that, referring to fig. 3 to 4, an object identifier comprises the following structure: the pressure sensor 5, the movable plate 51, the elastic member 52 and the adsorbing member 53 are all correspondingly provided with an object identifier on the control flow mounting base 21 and the output flow mounting base 25, and preferably, the two object identifiers are symmetrically arranged.
For the object identifier of the control flow mount 21, the mounting manner is as follows: be equipped with baffle 211 in the control flow mount pad 21, adsorb 53 and be the cavity structure, it locates in the control flow mount pad 21 and is close to the live ball 24 setting, adsorbs 53 one end and wears out the opening and be located the pipe 23, adsorbs 53 one side towards live ball 24 to be equipped with the attraction part that can attract live ball 24, for example when live ball 24 is the iron ball, perhaps when the surface plates iron, attracts the part to be magnet. The control flow power device 22 is arranged in the adsorption piece 53, the pressure sensor 5, the movable plate 51 and the elastic piece 52 are all arranged in the control flow mounting seat 21 and located between the baffle 211 and the adsorption piece 53, the pressure sensor 5 is arranged on the baffle 211, one end of the elastic piece 52 is arranged on the adsorption piece 53, and the movable plate 51 is arranged at the other end of the elastic piece.
The object identifier of the outlet flow mount 25 is mounted in substantially the same manner as the object identifier of the control flow mount 21, except that the outlet flow power device 26 is mounted in the suction member 53.
The working principle of the embodiment is as follows: the control flow mounting seat 21 is provided with an operation port, the size of the operation port is set to be that a human finger can extend into the operation port, an operator can place an object identifier at the operation port to enable the object identifier to be close to the corresponding output flow mounting seat 25 or the control flow mounting seat 21 respectively, attention should be paid to ensure that after the control flow power device 22 or the output flow power device 26 works, the impact force of the movable ball 24 on the suction piece 53 is enough to enable the movable ball to move to the position where the movable ball contacts the corresponding pressure sensor 5 and generate pressure on the pressure sensor 5, and after the impact force of the movable ball 24 disappears, the elastic piece 52 can enable the suction piece 53 to approach to reset, attention should be paid to that the selection of the material and the length of the elastic piece 52 cannot enable the suction piece 53 to have larger displacement difference with the initial position.
This configuration allows the activation ball 24 to move from one end of the conduit 23 to the other, allowing the activation ball 24 to contact the control flow motive device 22 or the output flow motive device 26, facilitating their control of the activation ball 24. The present embodiment can automatically simulate the process of signal flowing from one machine simulation block 3 to the center panel 1 and then to another machine simulation block 3, i.e. simulate the signal flowing direction of the linkage work of a plurality of components in the automatic control system.
It should be noted that, the connection relation of the components not specifically mentioned in the present invention is the default of the prior art, and the connection relation of the structures is not described in detail since it does not relate to the invention point and is a common application of the prior art.
It should be noted that, when the present invention relates to a numerical range, it should be understood that two endpoints of each numerical range and any value between the two endpoints can be selected, and since the steps and methods adopted are the same as those in the embodiment, in order to prevent redundancy, the present invention describes a preferred embodiment. While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A demonstration device based on an automatic control principle is characterized by comprising a central panel (1), a plurality of signal flow direction simulation devices (2), a plurality of machine simulation blocks (3) and a plurality of wiring boards (4);
the central panel (1) comprises a panel surface (11), a switch panel (14) and a controller chip, wherein the switch panel (14) and the controller chip are installed on the panel surface (11);
the signal flow direction simulation device (2) comprises a control flow mounting seat (21), a control flow power device (22), a guide pipe (23), a movable ball (24), an output flow mounting seat (25), an output flow power device (26) and an object recognizer; the control flow mount (21) is mounted on the side of the centre panel (1), the conduit (23) is connected between the control flow mount (21) and the output flow mount (25), the control flow power device (22) is mounted in the control flow mount (21) with its output located in the conduit (23), the output flow power device (26) is mounted in the output flow mount (25) with its output located in the conduit (23), the movable ball (24) is placed in the conduit (23) and between the control flow power device (22) and the output flow power device (26), the object identifier is provided in the conduit (23) for identifying the position of the movable ball (24); a plurality of said signal flow simulation means (2) are distributed around said central panel (1);
the machine simulation blocks (3) are correspondingly arranged on the side edges of the output flow mounting seats (25) one by one, and the machine simulation blocks (3) are connected with the corresponding output flow power devices (26) in series;
the wiring board (4) is provided with a power supply and a plurality of wiring slots (41) electrically connected with the power supply, and the machine simulation block (3) is detachably connected with the wiring slots (41) in series; the number of the plug wire slots (41) is equal to that of the machine simulation blocks (3), the plug wire slots and the machine simulation blocks are in one-to-one correspondence, and the power supply and the plug wire slots (41) are connected in parallel;
the controller chip is electrically connected with the switch panel (14), the control flow power device (22), the output flow power device (26), the object identifier and the power supply respectively.
2. The automatic control principle-based demonstration device according to claim 1, wherein the central panel (1) further comprises a display (12) and a buzzer (13), the display (12) and the buzzer (13) are mounted on the panel surface (11), and the controller chip is electrically connected with the display (12) and the buzzer (13) respectively.
3. Demonstration device according to claim 1 characterised in that the control flow power device (22) and the output flow power device (26) are blowers, vibrators or ejectors.
4. An automatic control principle-based presentation device according to claim 1, wherein the connections between the components of the signal flow simulator (2) are configured as detachable connections.
5. An automatic control principle based demonstration device according to any of claims 1 to 4 wherein a light indicator strip is mounted on the conduit (23) and is connected in series with the output flow motive device (26).
6. The demonstration device based on the automatic control principle according to claim 5, characterized in that the top of the conduit (23) is provided with a through groove (231) along the length direction thereof, the movable ball (24) is provided with a limiting component, and the outer wall of the conduit (23) is provided with a locking component (232) matched with the limiting component.
7. Demonstration device according to the automatic control principle of claim 6 characterised in that said object identifier is a pressure sensor (5) or an infrared pair of tubes.
8. The automatic control principle-based presentation device of claim 7, wherein the object identifier comprises the following structures: the pressure sensor (5), the movable plate (51), the elastic member (52) and the adsorption member (53);
be equipped with baffle (211) in control flow mount pad (21), adsorb piece (53) and be the cavity structure, it is located in control flow mount pad (21) and be close to movable ball (24) set up, adsorb piece (53) one end and be located in pipe (23), just adsorb piece (53) orientation the one side of movable ball (24) is equipped with and attracts the attraction part of movable ball (24), control flow power device (22) are located adsorb in piece (53), pressure sensor (5), fly leaf (51), elastic component (52) all set up in control flow mount pad (21), and are located baffle (211) with adsorb between piece (53), and pressure sensor (5) set up on baffle (211), the one end of elastic component (52) is installed adsorb on piece (53), the other end is installed fly leaf (51).
9. The automatic control principle-based presentation device of claim 8, wherein one object identifier is provided on each of the control flow mount (21) and the output flow mount (25).
10. The automatic control principle based demonstration device according to claim 1, wherein the number of the plug wire slots (41) is equal to the number of the machine simulation blocks (3), and the plug wire slots (41) are arranged in a one-to-one correspondence manner, and the power supply and the plug wire slots (41) are connected in parallel.
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| JPH03259302A (en) * | 1990-03-09 | 1991-11-19 | Hitachi Ltd | Information processing system |
| US20040076933A1 (en) * | 2002-10-18 | 2004-04-22 | Say-Ling Wen | Chinese spelling input system and method with multimedia Chinese spelling learning function |
| US6955046B1 (en) * | 2002-11-07 | 2005-10-18 | Hydro-Gear Limited Partnership | System and method for electronic actuation of axle driving apparatus |
| DE102007026502A1 (en) * | 2007-06-05 | 2008-12-11 | Siemens Ag | Training system for an automation system for controlling a technical process |
| US8742814B2 (en) * | 2009-07-15 | 2014-06-03 | Yehuda Binder | Sequentially operated modules |
| CN202093715U (en) * | 2011-01-24 | 2011-12-28 | 西安邮电学院 | Automatic control principle experiment box |
| CN104680901B (en) * | 2014-12-01 | 2017-05-17 | 湖北大学 | System and method for performing visualization demonstration on 8051 singlechip principle |
| CN106097858A (en) * | 2016-08-08 | 2016-11-09 | 郭金虎 | Electric tank working state energy distribution apparatus for demonstrating |
| CN106097829B (en) * | 2016-08-16 | 2018-08-17 | 梁奇 | A kind of vocal music exercising auxiliary device |
| CN206906840U (en) * | 2017-06-22 | 2018-01-19 | 合肥向上电子科技有限公司 | A kind of analog demenstration system and device based on microcontroller analyzing and processing |
| CN107515024A (en) * | 2017-09-15 | 2017-12-26 | 中铁工程装备集团盾构制造有限公司 | Shield machine sensor function measurement apparatus and its method |
| CN207993305U (en) * | 2018-03-09 | 2018-10-19 | 王重翔 | A kind of intelligent resilience demonstration instrument of Physical Experiment |
| CN210213826U (en) * | 2019-07-12 | 2020-03-31 | 广西淘慧科技有限公司 | Pulling and delivering practical training device based on Internet + technology |
| CN112634736B (en) * | 2021-01-19 | 2022-08-16 | 南昌工程学院 | Practical demonstration teaching aid for mechanical principle classroom teaching |
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