CN109147530A - A kind of production method of the simple river snail heartbeat observation device of middle school's Bioexperiment - Google Patents
A kind of production method of the simple river snail heartbeat observation device of middle school's Bioexperiment Download PDFInfo
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- CN109147530A CN109147530A CN201811323657.6A CN201811323657A CN109147530A CN 109147530 A CN109147530 A CN 109147530A CN 201811323657 A CN201811323657 A CN 201811323657A CN 109147530 A CN109147530 A CN 109147530A
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- river snail
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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
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/36—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for zoology
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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a kind of production method of the simple river snail heartbeat observation device of middle school's Bioexperiment, S1) production base box；S2) fixed light source selects the small bulbs of 2.5V stand-by, small bulbs is fixed on to the bottom wall of inner cavity center of base box using internal fixing layer, small bulbs are light source；S3 internal switch) is made, is fixedly connected with small magnetic sheet using internal fixing layer on the power switch of light source, then the power switch of light source and small magnetic sheet collectively form internal switch；S4 it) covers and fixes, another packing box is set in the outside of light source；S5) fixed external switch；The present invention indirectly observes the heart beat status of river snail by observing light source, relaxes the limitation to experimental material, does not need microscope, can with the naked eye obviously observe the changes in heart rate of river snail or snail, the present apparatus is easy to operate, easy to carry；Device is observed by self-control river snail heartbeat, so that student not only has sufficient understanding to river snail heartbeat experiment, and there has also been more deep understanding to laboratory apparatus.
Description
Technical field
The present invention relates to manual teaching field, the system of specially a kind of simple river snail heartbeat observation device of middle school's Bioexperiment
Make method.
Background technique
Biology refers to the set of life entity and an object with kinetic energy, and individual biology refers to organism, with
It is abiotic opposite.Its element include: under field conditions (factors), by chemical reaction generate with survival ability and fertility
Lived object and the lived offspring generated by its (or they) by breeding can make accordingly extraneous stimulation
Reaction can interdepend with extraneous environment, mutually promote.Further, it is possible to which substance useless in vivo is discharged, there is heredity and become
Different characteristic.
Biological subject initiation study be it is gradually deepening since middle school, middle school bioconversion medium content mostly with experiment
It is mostly based on laboratory based on initiation, in teaching process.In experimental teaching, there is the laboratory to biological life observation of characteristics
Journey, such as the observation of common river snail heartbeat life state.And the observation of river snail heartbeat is needed by instrument, this instrument
Teacher is generally only use of teaching students, and the teaching of specific structure and principle to instrument is relatively fewer, so that the study of student
Seem imperfect, the present invention provides a kind of production method of simple river snail heartbeat observation device of middle school's Bioexperiment, allows student can
Device is observed with manual fabrication river snail heartbeat, to be better understood by laboratory apparatus.
Summary of the invention
The purpose of the present invention is to provide a kind of production method of middle school's Bioexperiment simple river snail heartbeat observation device, with
Solve the problems mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme:
A kind of production method of the simple river snail heartbeat observation device of middle school's Bioexperiment, comprising the following steps:
S1) make base box, take two cuboid packing boxes stand-by, the packing box select transparent plastic can just make production and
At packing box is top open type structure, selects a packing box, in the front end face central bore of the packing box, that is, forms control
Drilling, the packing box after drilling is as base box；
S2) fixed light source selects the small bulbs of 2.5V stand-by, and small bulbs are fixed on to the inner cavity of base box using internal fixing layer
Bottom wall center, and the power switch of small bulbs is corresponding with control hole in the horizontal direction, small bulbs are light source；
S3 internal switch) is made, is fixedly connected with small magnetic sheet using internal fixing layer on the power switch of light source, then the electricity of light source
Source switch and small magnetic sheet collectively form internal switch；
S4 it) covers and fixes, another packing box is set in the outside of light source, and pedestal is fixedly connected on by external fixing layer
Capping process can be completed in the top of box；Described two packing boxes collectively form frame；
The screw that thread size diameter is 1/4 inch is directed at control hole, is fixed using inside small by S5) fixed external switch
The magnetic force fixed screw of magnetic sheet, to complete the production of whole device.
Further, the aperture of control hole is identical as 1/4 inch of thread size diameter of the diameter of screw；
Further, the process of the drilling of control hole are as follows: using alcolhol burner heat screw, using screw high temperature to packing box into
Row aperture.
Further, all-purpose adhesive or sandwich rubber can be selected in internal fixing layer.
Further, small magnetic sheet is to select overall diameter for the circular ring type magnet of 7mm.
Further, light source selects the small bulbs of 2.5V.
Compared with prior art, the present invention indirectly observes the heart beat status of river snail by observing light source, relaxes to experiment
The limitation of material does not need microscope, can with the naked eye obviously observe the changes in heart rate of river snail or snail, present apparatus operation letter
It is single, it is easy to carry；Device is observed by self-control river snail heartbeat, so that student not only has adequately river snail heartbeat experiment
Solution, and to laboratory apparatus there has also been more deep understanding, be conducive to the learning quality for improving student.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the perspective view that device is observed in a kind of simple river snail heartbeat of middle school's Bioexperiment of the present invention；
Fig. 2 is the structural schematic diagram for the light source that device is observed in a kind of simple river snail heartbeat of middle school's Bioexperiment of the present invention；
Fig. 3 is the structural schematic diagram for the internal switch that device is observed in a kind of simple river snail heartbeat of middle school's Bioexperiment of the present invention.
In figure: 1- frame, 2- light source, 3- internal switch, 4- external switch, the inside 5- fixing layer, the outside 6- fixing layer.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
Please refer to Fig. 1-3, a kind of production method of the simple river snail heartbeat observation device of middle school's Bioexperiment, comprising the following steps:
S1) make base box, take two cuboid packing boxes stand-by, the packing box select transparent plastic can just make production and
At packing box is top open type structure, selects a packing box, in the front end face central bore of the packing box, that is, forms control
Drilling, the packing box after drilling is as base box；
S2) fixed light source 2 select the small bulbs of 2.5V stand-by, and small bulbs are fixed in base box using internal fixing layer 5
Bottom of chamber wall center, and the power switch of small bulbs is corresponding with control hole in the horizontal direction, small bulbs are light source 2；
S3 internal switch) is made, is fixedly connected with small magnetic sheet using internal fixing layer 5 on the power switch of light source 2, then light source 2
Power switch and small magnetic sheet collectively form internal switch 3；
S4 it) covers and fixes, another packing box is set in the outside of light source 2, and bottom is fixedly connected on by external fixing layer 6
The top of seat box, can be completed capping process；Described two packing boxes collectively form frame 1；
The screw that thread size diameter is 1/4 inch is directed at control hole, is fixed using inside small by S5) fixed external switch
The magnetic force fixed screw of magnetic sheet, to complete the production of whole device.
Embodiment 2
The present embodiment is being further described on the basis of embodiment, the aperture of the control hole and thread size diameter 1/4
The diameter of the screw of inch is identical；The process of drilling are as follows: using alcolhol burner heat screw, using screw high temperature to packing box into
Row aperture, so that the processing in hole is completed, it should be noted that safety, avoids scalding in process.
All-purpose adhesive or sandwich rubber and the similar Related product of other function can be selected in the internal fixing layer 5.
The small magnetic sheet is to select overall diameter for the circular ring type magnet of 7mm.
The river snail heartbeat observation device that the present invention makes is for taking the long 6mm- of body in " measurement of animal heart rate " experiment
18mm, the wide uniform river snail of 4mm-7mm color of shell of body are placed in above the device, and opening power supply is the heart that river snail can be observed
It jumps.
The innovation of the invention consists in that indirectly observing the heart beat status of river snail by observation light source 2, relax to experiment material
The limitation of material does not need microscope, can with the naked eye obviously observe the changes in heart rate of river snail or snail, present apparatus operation letter
It is single, it is easy to carry；Device is observed by self-control river snail heartbeat, so that student not only has adequately river snail heartbeat experiment
Solution, and to laboratory apparatus there has also been more deep understanding, be conducive to the learning quality for improving student.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
Various changes can be made.
Claims (6)
1. a kind of production method of the simple river snail heartbeat observation device of middle school's Bioexperiment, which comprises the following steps:
S1) make base box, take two cuboid packing boxes stand-by, the packing box select transparent plastic can just make production and
At packing box is top open type structure, selects a packing box, in the front end face central bore of the packing box, that is, forms control
Drilling, the packing box after drilling is as base box；
S2) fixed light source (2), take small bulbs, and small bulbs are fixed in the bottom wall of inner cavity of base box using internal fixing layer (5)
Centre, and the power switch of small bulbs is corresponding with control hole in the horizontal direction, small bulbs are light source (2)；
S3 internal switch) is made, is fixedly connected with small magnetic sheet using internal fixing layer (5) on the power switch of light source (2), then light
The power switch and small magnetic sheet in source (2) collectively form internal switch (3)；
S4 it) covers and fixes, another packing box is set in the outside of light source (2), and be fixedly connected by external fixing layer (6)
On the top of base box, capping process can be completed；Described two packing boxes collectively form frame (1)；
The screw that thread size diameter is 1/4 inch is directed at control hole, is fixed using inside small by S5) fixed external switch
The magnetic force fixed screw of magnetic sheet, to complete the production of whole device.
2. a kind of production method of the simple river snail heartbeat observation device of middle school's Bioexperiment according to claim 1, special
Sign is that the aperture of control hole is identical as 1/4 inch of thread size diameter of the diameter of screw.
3. a kind of production method of the simple river snail heartbeat observation device of middle school's Bioexperiment according to claim 2, special
Sign is, the process of the drilling of control hole are as follows: heats screw using alcolhol burner, is opened using the high temperature of screw packing box
Hole.
4. a kind of production method of the simple river snail heartbeat observation device of middle school's Bioexperiment according to claim 1, special
Sign is that internal fixing layer (5) selects all-purpose adhesive or sandwich rubber.
5. a kind of production method of the simple river snail heartbeat observation device of middle school's Bioexperiment according to claim 1, special
Sign is that small magnetic sheet is to select overall diameter for the circular ring type magnet of 7mm.
6. a kind of production method of the simple river snail heartbeat observation device of middle school's Bioexperiment according to claim 1, special
Sign is that light source selects the small bulbs of 2.5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811323657.6A CN109147530A (en) | 2018-11-08 | 2018-11-08 | A kind of production method of the simple river snail heartbeat observation device of middle school's Bioexperiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811323657.6A CN109147530A (en) | 2018-11-08 | 2018-11-08 | A kind of production method of the simple river snail heartbeat observation device of middle school's Bioexperiment |
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| Publication Number | Publication Date |
|---|---|
| CN109147530A true CN109147530A (en) | 2019-01-04 |
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ID=64808109
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811323657.6A Pending CN109147530A (en) | 2018-11-08 | 2018-11-08 | A kind of production method of the simple river snail heartbeat observation device of middle school's Bioexperiment |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2472552Y (en) * | 2000-08-30 | 2002-01-23 | 邓冰 | Children music umbrella |
| CN2840092Y (en) * | 2005-10-28 | 2006-11-22 | 河南省红十字血液中心 | Blood group microplate scope |
| CN204846853U (en) * | 2015-07-29 | 2015-12-09 | 贺璟瑞 | Packing carton with simple and easy projecting apparatus |
-
2018
- 2018-11-08 CN CN201811323657.6A patent/CN109147530A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2472552Y (en) * | 2000-08-30 | 2002-01-23 | 邓冰 | Children music umbrella |
| CN2840092Y (en) * | 2005-10-28 | 2006-11-22 | 河南省红十字血液中心 | Blood group microplate scope |
| CN204846853U (en) * | 2015-07-29 | 2015-12-09 | 贺璟瑞 | Packing carton with simple and easy projecting apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 高冉: ""初中生物学实验的改进研究"", 《中国优秀硕士学位论文全文数据库 社会科学Ⅱ辑》 * |
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Application publication date: 20190104 |