CN203838941U - Reflex process and mechanism dynamic demonstration instrument - Google Patents
Reflex process and mechanism dynamic demonstration instrument Download PDFInfo
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- CN203838941U CN203838941U CN201420213130.9U CN201420213130U CN203838941U CN 203838941 U CN203838941 U CN 203838941U CN 201420213130 U CN201420213130 U CN 201420213130U CN 203838941 U CN203838941 U CN 203838941U
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Abstract
Provided is a reflex process and mechanism dynamic demonstration instrument which is characterized by including a visual panel and a program controller, a reflex arc structure diagram of knee jerk reflex is printed on the visual panel, illuminants for stimulating nerve signals are successively arranged on the visual panel by corresponding to five reflex parts, namely, a receptor, an afferent nerve, a nerve center, an efferent nerve, and an effector of the reflex arc, the position of the effector is provided with a knee jerk device for stimulating the knee jerk motion, the program controller is connected with the illuminants and the knee jerk device and controls the illuminants to flash one by one to stimulate the reflex process and the motion of the knee jerk device, and a button switch connected with the program controller is further arranged on the visual panel. The dynamic demonstration instrument provided is convenient to operate and good in visual effect, and can directly and accurately demonstrate the reflex operation; and moreover, the dynamic demonstration instrument provided can adjust the demonstration manner or speed based on different students, and has the advantages of fast reaction speed and life-like dynamic simulation.
Description
Technical field
The utility model belongs to Science & Teaching Instrument class school supply and stationery technical field, relates to a kind of dynamic demonstrator, is specifically related to the dynamic demonstrator of a kind of reflection process and mechanism.
Background technology
Reflection is neururgic basic mode, and the architecture basics that completes reflex activity is reflex arc.Reflex arc is made up of " receptor, afferent nerve, nerve center, efferent nerve, effector " five parts.In middle school's biology or Scientific Teaching, the mechanism of reflection and architecture basics thereof are emphasis in teaching, but because of the invisibility of its nerve conduction and architecture basics, make it become a difficult point of imparting knowledge to students.About the demonstrating model of neural reflex, much rest in the simulation of static performance and external action at present.Fail exactly the mechanism of reflection process to be presented with dynamic form, presentation process staticize and coming to the surface, can not intuitively express the nerve information conductive process in reflection process, and the concrete structure of reflex arc.
For making student understand better mechanism and the architecture basics of reflection, at present, also some dynamic demonstrating models have been there are, as the patent No. Chinese utility model patent " reflex arc demonstrating model " that is CN201320013233.6, by spinal cord model, that is made up of fibre bundle imports into, efferent neurofibres model, receptor, effector composition, wherein the inner termination of fibre bundle represents respectively afferent neuron, internuncial neuron, spread effect point in the former and effector of efferent nerve, it is characterized in that, on effector, be equipped with air bag, receptor is double-decker rotating disk, skin is annulus, one end of fibre bundle is fixed on annulus, rotating disk internal layer is change, one of red LED lampet is equipped with in centre, it is printing opacity road that little opening is established in change, microswitch is located at change top.This demonstrating model has added Dynamic Optical Fiber bundle on reflex arc model, make the reaction action effect of nerve stimulation more true to nature, but in operating process, can not carry out micromotion operation and show respectively the overall process of reflex activity or the process of each link, and do not launch the demonstration operation of arc structural failure, therefore structurally also need further improvement and perfection.
Utility model content
Technical problem to be solved in the utility model is the dynamic demonstrator that a kind of rational in infrastructure, easy to operate reflection process and mechanism are provided for the above-mentioned state of the art, can demonstrate the operation of reflecting more intuitively, exactly, there is the effect that reaction velocity is fast, dynamic similation is true to nature.
The utility model solves the problems of the technologies described above adopted technical scheme: the dynamic demonstrator of a kind of reflection process and mechanism, it is characterized in that: comprise visual panel and a presetting apparatus, on visual panel, be printed with the reflex arc structural drawing of knee jerk reflex, on visual panel corresponding to the receptor of reflex arc, afferent nerve, nerve center, these 5 reflection links of efferent nerve and effector are disposed with the luminophor for analog neuron signal, be provided with the knee jerk device of simulation knee jerk action in the position of effector, presetting apparatus connects each luminophor and knee jerk device, and control luminophor according to the order of sequence one by one glittering come the action of simulated reflections process and knee jerk device, on visual panel, be also provided with the keyswitch being connected with presetting apparatus.
As improvement, described luminophor adopts LED lamp, LED lamp is embedded in respectively on visual panel, and being wherein positioned at neural luminophor is luminous multiple LED lamps or LED luminous plaque of whole region, and the luminophor of other four reflection links is the luminous formal distribution of wire.
As improvement, described knee jerk device comprises a simulation shank, driving mechanism and the knee step switch being communicated with for triggering way circuit, simulation shank is arranged on the front portion of visual panel corresponding to the position of effector by rotating shaft, the back side that driving mechanism is arranged on visual panel is connected with presetting apparatus, the output terminal of driving mechanism is connected with one end of rotating shaft by connecting link, knee step switch is trigger switch, when nerve signal is passed to effector, when the luminophor of effector is luminous, driving mechanism is started working and is with dynamic simulated shank to rotate, in the time that the rotation of simulation shank is upspring, knee step switch trigger circuit cut off automatically.
As improvement, described driving mechanism is motor or electromagnet.
Improve again, described presetting apparatus is arranged on the back side of visual panel, comprise the circuit board of computer programming, circuit board and luminophor, keyswitch and knee jerk device are electrically connected, keyswitch is arranged on the lower end corner location of visual panel, and keyswitch comprises starting switch, divides a step mode to open button, continuous mode switch and speed-regulating switch.
Improve again, described point of step mode opened button and is made up of a substep mode switch and five one-step control switches, and in the time pressing substep mode switch, program switches to a point step mode from continuous mode, while pressing one-step control switch, move the reflection demonstration of corresponding link.
Improve, described speed-regulating switch is the knob that adopts stepless time adjustment again.
Further improve, on described visual panel, be also provided with structural failure luminous sign, structural failure luminous sign is arranged on respectively the position of receptor, afferent nerve, nerve center, efferent nerve and effector with the pattern of X-shaped ruddiness, keyswitch also comprises for controlling corresponding construction and destroys the luminous structural failure of luminophor of luminous sign and probe into button, and structural failure luminous sign is probed into button with structural failure and is all connected with presetting apparatus.
Compared with prior art, the utility model has the advantage of:
1, more directly perceived.Not only the outside phenomenon of reflection is presented to beholder, further the generation of reflex arc intrinsic nerve excitement, conduction and processing procedure are simulated by physical means especially, beholder not only can experience the external action of reflection intuitively, and can understand corresponding internal operation mechanism.
2, dynamic.Can see that " receptor is accepted outside stimulus to human body, produce nerve impulse ", " nerve impulse is by afferent nerve afferent nerve maincenter ", " nerve center is processed information ", " nerve impulse spreads out of effector by efferent nerve again ", the dynamic process that in reflection process such as " effector receives coherent signal to stimulate and make specific reaction ", links occurs successively, thereby be more well understood to the sequencing of each process, occurrence time and mechanism, further understand the needed architecture basics of reflex activity (reflex arc), and corresponding construction destroys the essential reason of the phenomenon producing.
3, viewing effect is true to nature.Excited using LED light emitting diode as analog neuron or conduct light source, has the advantages such as brightness is high, reaction velocity is fast, dynamic similation is true to nature, drives knee motion with motor or electromagnet, has higher similarity with real human body knee jerk reflex action.
4, teaching demonstration operation is more simple and reliable.Be provided with speed governing button and substep, continuous mode switch, can be according to the needs of teaching practice in teaching demonstration process, select different demonstration speed, also continuous action or micromotion operation be can select and the overall process of reflex activity or the process of each link shown respectively, be conducive to teacher and select different demonstration speed or demenstration method according to different level of student difference, to give prominence to the perceptual knowledge to reflection process and architecture basics thereof, thereby obtain better teaching efficiency.
Brief description of the drawings
Fig. 1 is Facad structure schematic diagram of the present utility model;
Fig. 2 .1-2.2 is Facad structure schematic diagram of the present utility model and side view.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As Fig. 1, 2.1-2.2 shown in, the reflection process of the present embodiment and the dynamic demonstrator of mechanism, this dynamic demonstrator comprises a visual panel 9, the knee jerk device of presetting apparatus 10 and the action of simulation knee jerk, on visual panel 9, be printed with the transmitting arc structural drawing of knee jerk reflex, on visual panel 9 corresponding to transmitting arc receptor, afferent nerve, nerve center, these 5 reflection links of efferent nerve and effector are disposed with the luminophor for analog neuron signal, knee jerk device is positioned at the position of effector, presetting apparatus 10 connects each luminophor and knee jerk device, by presetting apparatus 10 control luminophor according to the order of sequence one by one glittering come the action of simulated reflections process and knee jerk device, on visual panel 9, be also provided with the keyswitch being connected with presetting apparatus 10, luminophor adopts LED lamp, be wherein positioned at neural nerve center luminophor 8 for the luminous Integral luminous plate in whole region, and the LED lamp 5 of other four transmitting links is the luminous formal distribution of streamline shape, knee jerk device comprises a simulation shank, driving mechanism and the knee step switch being communicated with for triggering way circuit, simulation shank is arranged on the front portion of visual panel 9 corresponding to the position of effector by rotating shaft 11, driving mechanism is an electromagnet 13, the back side that electromagnet 13 is arranged on visual panel 9 is connected with presetting apparatus 10, one end of the output terminal of electromagnet 13 and connecting link 12 is rotationally connected, the other end of connecting link 12 is connected with one end of rotating shaft 11, when nerve signal is passed to effector, when the luminophor of effector is luminous, electromagnet 13 is started working and is with dynamic simulated shank to rotate, in the time that the rotation of simulation shank is upspring, knee step switch trigger circuit cut off automatically, generally can realize by delay switch circuit, presetting apparatus 10 is arranged on the back side of visual panel 9, comprise the circuit board of computer programming, circuit board and luminophor, keyswitch and knee jerk device are electrically connected, form control loop, keyswitch is arranged on the lower end corner location of visual panel 9, keyswitch comprises starting switch, divide step mode to open button 2, continuous mode switch 3 and speed-regulating switch 4, wherein dividing step mode to open button 2 is made up of a substep mode switch and five one-step control switches, in the time pressing substep mode switch, program switches to a point step mode from continuous mode, while pressing one-step control switch, move the reflection demonstration of corresponding link, speed-regulating switch 4 adopts the knob of stepless time adjustment, in addition, on visual panel 9, be also provided with structural failure luminous sign 6, structural failure luminous sign 6 is arranged on receptor with the pattern of X-shaped ruddiness respectively, afferent nerve, nerve center, the position of efferent nerve and effector, the luminous structural failure of luminophor being provided with on visual panel 9 for controlling corresponding construction destruction luminous sign 6 is probed into button, structural failure luminous sign 6 is probed into button with structural failure and is all connected with presetting apparatus 10, form loop, to reach the phenomenon being occurred after any one link of demonstration reflex arc is damaged, relevant procedures control device adopts traditional control technology means.
Principle of work is such:
After glittering simulation " receptor " acceptance stimulation, produce excitement and be delivered to " afferent nerve " according to the order of sequence with trigger switch and connected LED lamp; Glittering simulation is excited one by one is according to the order of sequence transmitted to " nerve center " with the form of nerve impulse by " afferent nerve " for LED lamp; The analysis and synthesis of the nerve impulse that the glittering simulation of LED lamp sheet is imported into by " afferent nerve " in " nerve center "; LED lamp according to the order of sequence one by one the impulsion after glittering simulation " nerve center " analysis and synthesis give " effector " along " efferent nerve " conduction; LED lamp according to the order of sequence glittering analog neuron impulse conduction to the nerve endings of " effector " combination, drive bound feet action simulation " effector " to produce action by electromagnet 13.By this visible light directly perceived or mechanical action, the architecture basics etc. that make the conduction of student to the nerve impulse in reflection process, completes reflection has one to get information about, and even can the direct control of demonstrator be reached in-depth and understood by student the object of related notion and principle.Better for making to demonstrate effect, also design reflection five rings joint " demonstrating continuously " and the selector switch of " disjunction demonstration ", so that student to be provided the understanding to reflection process a continuous entirety, and understanding in depth each link.Aspect demonstration speed, by a S/CO, realize the demonstration of different demonstration speed.
Reflectance mechanism continuous-mode operation:
1, percussion hammer knocks knee step switch---2, circuit connect---3, the LED of receptor place luminophor luminous successively by direction of transfer---4, afferent nerve place (containing neuromere with enter the nerve endings of maincenter part) LED luminophor luminous successively by direction of transfer---5, the LED of nerve center place luminophor (or Integral luminous plate) luminous---6 LED of efferent nerve place luminophors are luminous successively by direction of transfer---7 LED of effector place luminophors are luminous successively by direction of transfer---8 knee jerk device actions, simulate shank and upspring---8, circuit cuts off automatically.
2, reflectance mechanism is divided step mode operation:
Press point step mode and open the substep mode switch in button 2, divide step mode pilot lamp to light, switch to a point step mode, now press a point step mode and open 1-5 any substep buttons in button 2nd district, will demonstrate the dynamic process of corresponding link, to give prominence to the neuromechanism of each link in reflection process, be conducive to teaching process middle school student's thinking follow-up.
3, speed adjustment operation:
Clockwise rotate speed-regulating switch 4, accelerate travelling speed, be rotated counterclockwise the travelling speed that slows down.Negotiation speed regulates, and is conducive to teacher and accelerates or slow down according to student's concrete condition the speed of teaching demonstration.
4, the demonstration of reflex arc structural failure operation:
Under continuous mode, press corresponding " partial cutoff switch ", " X-shaped structural failure mark luminophor " is luminous, in the case, if press again " knee step switch ", just that program will move to corresponding place of incision will be out of service.Be intended to the Neurotransmission situation of simulated reflections arc structural failure.
Claims (8)
1. the dynamic demonstrator of a reflection process and mechanism, it is characterized in that: comprise visual panel and a presetting apparatus, on visual panel, be printed with the reflex arc structural drawing of knee jerk reflex, on visual panel corresponding to the receptor of reflex arc, afferent nerve, nerve center, these 5 reflection links of efferent nerve and effector are disposed with the luminophor for analog neuron signal, be provided with the knee jerk device of simulation knee jerk action in the position of effector, presetting apparatus connects each luminophor and knee jerk device, and control luminophor according to the order of sequence one by one glittering come the action of simulated reflections process and knee jerk device, on visual panel, be also provided with the keyswitch being connected with presetting apparatus.
2. dynamic demonstrator according to claim 1, it is characterized in that: described luminophor adopts LED lamp, LED lamp is embedded in respectively on visual panel, wherein being positioned at neural luminophor is luminous multiple LED lamps or LED luminous plaque of whole region, and the luminophor of other four reflection links is the luminous formal distribution of wire.
3. dynamic demonstrator according to claim 1, it is characterized in that: described knee jerk device comprises a simulation shank, driving mechanism and the knee step switch being communicated with for triggering way circuit, simulation shank is arranged on the front portion of visual panel corresponding to the position of effector by rotating shaft, the back side that driving mechanism is arranged on visual panel is connected with presetting apparatus, the output terminal of driving mechanism is connected with one end of rotating shaft by connecting link, knee step switch is trigger switch, when nerve signal is passed to effector, when the luminophor of effector is luminous, driving mechanism is started working and is with dynamic simulated shank to rotate, in the time that the rotation of simulation shank is upspring, knee step switch trigger circuit cut off automatically.
4. dynamic demonstrator according to claim 3, is characterized in that: described driving mechanism is motor or electromagnet.
5. dynamic demonstrator according to claim 1, it is characterized in that: described presetting apparatus is arranged on the back side of visual panel, comprise the circuit board of computer programming, circuit board and luminophor, keyswitch and knee jerk device are electrically connected, keyswitch is arranged on the lower end corner location of visual panel, and keyswitch comprises starting switch, divides a step mode to open button, continuous mode switch and speed-regulating switch.
6. dynamic demonstrator according to claim 5, it is characterized in that: described point of step mode opened button and be made up of a substep mode switch and five one-step control switches, in the time pressing substep mode switch, program switches to a point step mode from continuous mode, while pressing one-step control switch, move the reflection demonstration of corresponding link.
7. dynamic demonstrator according to claim 5, is characterized in that: described speed-regulating switch is the knob that adopts stepless time adjustment.
8. dynamic demonstrator according to claim 1, it is characterized in that: on described visual panel, be also provided with structural failure luminous sign, structural failure luminous sign is arranged on respectively the position of receptor, afferent nerve, nerve center, efferent nerve and effector with the pattern of X-shaped ruddiness, keyswitch also comprises for controlling corresponding construction and destroys the luminous structural failure of luminophor of luminous sign and probe into button, and structural failure luminous sign is probed into button with structural failure and is all connected with presetting apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213130.9U CN203838941U (en) | 2014-04-28 | 2014-04-28 | Reflex process and mechanism dynamic demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213130.9U CN203838941U (en) | 2014-04-28 | 2014-04-28 | Reflex process and mechanism dynamic demonstration instrument |
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| Publication Number | Publication Date |
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| CN203838941U true CN203838941U (en) | 2014-09-17 |
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| CN201420213130.9U Expired - Fee Related CN203838941U (en) | 2014-04-28 | 2014-04-28 | Reflex process and mechanism dynamic demonstration instrument |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105023494A (en) * | 2014-04-28 | 2015-11-04 | 邵万亮 | Reflex process and mechanism dynamic demonstration instrument |
| CN105551356A (en) * | 2015-09-21 | 2016-05-04 | 沈阳医学院 | Sound control digestion demonstration system used for teaching |
| CN105551355A (en) * | 2015-09-21 | 2016-05-04 | 沈阳医学院 | Sound control knee-jerk reflex demonstration system used for teaching |
-
2014
- 2014-04-28 CN CN201420213130.9U patent/CN203838941U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105023494A (en) * | 2014-04-28 | 2015-11-04 | 邵万亮 | Reflex process and mechanism dynamic demonstration instrument |
| CN105551356A (en) * | 2015-09-21 | 2016-05-04 | 沈阳医学院 | Sound control digestion demonstration system used for teaching |
| CN105551355A (en) * | 2015-09-21 | 2016-05-04 | 沈阳医学院 | Sound control knee-jerk reflex demonstration system used for teaching |
| CN105551355B (en) * | 2015-09-21 | 2018-10-23 | 沈阳医学院 | Teaching acoustic control knee jerk reflex demo system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20210428 |