CN203825903U - Buoyancy demonstration device for physics teaching - Google Patents
Buoyancy demonstration device for physics teaching Download PDFInfo
- Publication number
- CN203825903U CN203825903U CN201420243433.5U CN201420243433U CN203825903U CN 203825903 U CN203825903 U CN 203825903U CN 201420243433 U CN201420243433 U CN 201420243433U CN 203825903 U CN203825903 U CN 203825903U
- Authority
- CN
- China
- Prior art keywords
- buoyancy
- tank body
- demonstration device
- screw rod
- swinging handle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a buoyancy demonstration device for physics teaching; the buoyancy demonstration device comprises a water tank body, a buoyancy globule, a swing handle, a tension sensor and a LCD; a pull wire is arranged between the buoyancy globule and the swing handle; one end of the pull wire is connected with the buoyancy globule, and the other end of the pull wire is connected with the swing handle arranged on a bottom portion of the water tank body; the swing handle is provided with a screw rod, the water tank body is provided with an inner thread matched with the screw rod, a front end of the screw rod is provided with the tension sensor, and an output end of the tension sensor is connected with an input end of the LCD. The swing handle in the water tank body is used to push the buoyancy globule to a position so as to monitor a buoyancy value of the buoyancy globule in different liquids; the buoyancy demonstration device is simple in structure, good in demonstration effect in teaching assistance, can be repeatedly used, so students can have a deep understanding for the buoyancy physics phenomenon.
Description
Technical field
The utility model relates to a kind of apparatus for demonstrating, refers more particularly to a kind of buoyancy demonstration device for physical teaching purpose.
Background technology
In Physics Course teaching, buoyancy phenomenon is the key content of Physics Course, liquid buoyancy produce reason and affect liquid buoyancy factor be all the time impart knowledge to students difficult point, teacher generally can carry out aided education by the experiment of physics floating force in explanation, conventionally be all to adopt floatable object is set in water tank, because the speed of buoyancy production process is uncontrollable, cause existing experimental apparatus buoyancy production process and reason intuitively cannot be shown to student, and it is not vivid directly to observe yet expression, student is more difficult to its understanding, causes the poor effect of giving lessons.
Utility model content
It is a kind of simple in structure that the purpose of this utility model is just to provide in order to address the above problem, the buoyancy demonstration device for physical teaching purpose that accuracy of detection is high.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises tank body, buoyancy bead, swinging handle, pulling force sensor and liquid crystal display, between described buoyancy bead and described swinging handle, be provided with bracing wire, one end of described bracing wire is connected with described buoyancy bead, the other end of described bracing wire is connected with described swinging handle, described swinging handle is arranged on described tank body bottom, on described swinging handle, be provided with screw rod, described tank body is provided with the internal thread coordinating with described screw rod, the front end of described screw rod is provided with described pulling force sensor, the output terminal of described pulling force sensor is connected with the input end of described liquid crystal display.
Particularly, be provided with digital-to-analogue converter on described pulling force sensor, the output terminal of described digital-to-analogue converter is connected with described liquid crystal display.
Further, described buoyancy bead is hollow plastic bead.
Particularly, the junction of described tank body and described swinging handle is provided with sealing ring.
Further, on described screw rod, be provided with block nut.
The beneficial effects of the utility model are:
The utility model pulls the position of buoyancy bead in water by the swinging handle being arranged in tank body, can monitor the buoyancy value of buoyancy bead in different liquids, simple in structure, the good demonstration effect of aided education, can reuse, be conducive to the profound understanding of the physical phenomenon of student to buoyancy.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
1-tank body in figure, 2-swinging handle, 3-sealing ring, 4-pulling force sensor, 5-screw rod, 6-block nut, 7-bracing wire, 8-liquid crystal display, 9-buoyancy bead.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, the utility model comprises tank body 1, buoyancy bead 9, swinging handle 2, pulling force sensor 4 and liquid crystal display 8, between buoyancy bead 9 and swinging handle 2, be provided with bracing wire 7, one end of bracing wire 7 is connected with buoyancy bead 9, the other end of bracing wire 7 is connected with swinging handle 2, swinging handle 2 is arranged on tank body 1 bottom, on swinging handle 2, be provided with screw rod 5, tank body 1 is provided with the internal thread coordinating with screw rod 5, the front end of screw rod 5 is provided with pulling force sensor 4, and the output terminal of pulling force sensor is connected with the input end of liquid crystal display 8.
On pulling force sensor 4, be provided with digital-to-analogue converter, the output terminal of digital-to-analogue converter is connected with liquid crystal display 8, digital-to-analogue converter and pulling force sensor 4 are by integrated design, reduce hardware syndeton, on pulling force sensor 4, after water-proofing treatment, made pulling force sensor 4 can adapt to different testing environments.
Buoyancy bead 9 is hollow plastic bead, and tank body 1 is provided with sealing ring 3 with the junction of swinging handle, reduces the leak of liquid of tank body 1, is provided with block nut 6 on screw rod 5, can adjust the interval value of the buoyancy of test.
Principle of work of the present utility model is as follows:
Operating personnel pull buoyancy bead 9 to be fixed on the ad-hoc location in water by shake swinging handle 2, can monitor the buoyancy value of buoyancy bead in different liquids and diverse location, and show real-time buoyancy value by liquid crystal display 8, simple in structure, the good demonstration effect of aided education, can reuse, be conducive to the profound understanding of the physical phenomenon of student to buoyancy.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., all should be included in protection domain of the present utility model.
Claims (5)
1. a buoyancy demonstration device for physical teaching purpose, comprise tank body and buoyancy bead, it is characterized in that: also comprise swinging handle, pulling force sensor and liquid crystal display, between described buoyancy bead and described swinging handle, be provided with bracing wire, one end of described bracing wire is connected with described buoyancy bead, the other end of described bracing wire is connected with described swinging handle, described swinging handle is arranged on described tank body bottom, on described swinging handle, be provided with screw rod, described tank body is provided with the internal thread coordinating with described screw rod, the front end of described screw rod is provided with described pulling force sensor, the output terminal of described pulling force sensor is connected with the input end of described liquid crystal display.
2. a kind of buoyancy demonstration device for physical teaching purpose according to claim 1, is characterized in that: on described pulling force sensor, be provided with digital-to-analogue converter, the output terminal of described digital-to-analogue converter is connected with described liquid crystal display.
3. a kind of buoyancy demonstration device for physical teaching purpose according to claim 1, is characterized in that: described buoyancy bead is hollow plastic bead.
4. a kind of buoyancy demonstration device for physical teaching purpose according to claim 1, is characterized in that: the junction of described tank body and described swinging handle is provided with sealing ring.
5. a kind of buoyancy demonstration device for physical teaching purpose according to claim 1, is characterized in that: on described screw rod, be provided with block nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243433.5U CN203825903U (en) | 2014-05-14 | 2014-05-14 | Buoyancy demonstration device for physics teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243433.5U CN203825903U (en) | 2014-05-14 | 2014-05-14 | Buoyancy demonstration device for physics teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203825903U true CN203825903U (en) | 2014-09-10 |
Family
ID=51481377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420243433.5U Expired - Fee Related CN203825903U (en) | 2014-05-14 | 2014-05-14 | Buoyancy demonstration device for physics teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203825903U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616568A (en) * | 2015-01-14 | 2015-05-13 | 成都绿迪科技有限公司 | Buoyancy presentation device |
| CN106097846A (en) * | 2016-08-31 | 2016-11-09 | 朱泽德 | A kind of liquid buoyancy demonstrating device |
-
2014
- 2014-05-14 CN CN201420243433.5U patent/CN203825903U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616568A (en) * | 2015-01-14 | 2015-05-13 | 成都绿迪科技有限公司 | Buoyancy presentation device |
| CN106097846A (en) * | 2016-08-31 | 2016-11-09 | 朱泽德 | A kind of liquid buoyancy demonstrating device |
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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 |
Granted publication date: 20140910 Termination date: 20150514 |
|
| EXPY | Termination of patent right or utility model |