CN201886684U - Substance conductive performance demonstration device - Google Patents
Substance conductive performance demonstration device Download PDFInfo
- Publication number
- CN201886684U CN201886684U CN2010206695016U CN201020669501U CN201886684U CN 201886684 U CN201886684 U CN 201886684U CN 2010206695016 U CN2010206695016 U CN 2010206695016U CN 201020669501 U CN201020669501 U CN 201020669501U CN 201886684 U CN201886684 U CN 201886684U
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- demonstration device
- substance
- conductive performance
- performance demonstration
- joint device
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Abstract
The utility model discloses a substance conductive performance demonstration device, which relates to a teaching instrument, in particular to a teaching instrument for demonstrating the substance conductive performance. The substance conductive performance demonstration device comprises a connecting component and a display component used for observing the circuit conduction, wherein the connecting component is detachably and electrically connected with the display component, the substance conductive performance demonstration device also comprises a support frame base, the support frame base comprises a horizontal base and a vertical support frame, the vertical support frame is used for installing the display component, a first wiring seat used for fixing the display component is also arranged on the vertical support frame, the vertical support frame is also provided with a second wiring seat used for fixing the connecting component, the display component, the first wiring seat, the second wiring seat and the connecting component are sequentially connected in series, and a pair of electrodes with grooves and joint devices arranged in the grooves of the electrodes are arranged on the second wiring seat. Devices used in demonstration experiments of middle school physical and chemical teaching activities into one integral teaching aid by the substance conductive performance demonstration device disclosed by the utility model, the operation is simple, the cost is low, and the substance conductive performance demonstration device is safe and reliable, and students can fully know the conductive performance of each substance.
Description
Technical field
The utility model relates to a kind of instruments used for education, particularly a kind of instruments used for education of demonstrating the substance conductance performance.
Background technology
In middle school physics, chemical education education activities, the teacher passes through lecture experiment, allow the student understand the electric conductivity of objects such as conductor, semiconductor, insulator, liquid, glass heats, make the student from physics, chemical terms study substance conductance performance, but the demonstrator of substance conductance performance disperses (many instruments) or not comprehensive often, and the demonstration that compares the electric conductivity of system to the teacher brings certain influence.
Therefore need a kind of teaching demonstration instrument that can demonstrate various substance conductance performances.
The utility model content
In view of this, technical problem to be solved in the utility model provides a kind of teaching demonstration instrument that can demonstrate various substance conductance performances.
The utility model is achieved through the following technical solutions:
The substance conductance performance demonstration device that the utility model provides comprises link and the display unit that is used to observe circuit communication, and described link is electrically connected with display unit removably.
Further, also comprise bracket base, described bracket base comprises horizontal base and is used to install the vertical rack of display unit;
Further, also be provided for the fixedly junction block I of display unit on the described vertical rack; Also be provided for the junction block II of fixed connecting part, described display unit, junction block I, junction block II and link series connection successively;
Further, described junction block II is provided with the pair of electrodes that has groove;
Further, also comprise the joint device that is arranged in the electrode groove;
Further, described joint device includes sound splice device, light joint device, vitreous electricity pole piece splicer spare, electrode straight joint device, semiconductor joint device, hot joint device and the liquid electrode straight joint device that can be positioned over respectively in the groove.
The beneficial effects of the utility model are: the utility model provides the teaching demonstration instrument that can demonstrate various substance conductance performances; Lecture experiment in middle school physics, the chemistry teaching activity is combined into a whole teaching aid, and simple to operate, cost is low, and is safe and reliable; Can allow the student fully understand the electric conductivity of materials such as conductor, semiconductor, insulator, liquid, glass heats.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can from practice of the present utility model, obtain instruction to investigating hereinafter.Target of the present utility model and other advantages can realize and obtain by following instructions and claims.
Description of drawings
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model is described in further detail, wherein:
Fig. 1 is a substance conductance performance demonstration device structural representation.
Embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment only for the utility model is described, rather than in order to limit protection domain of the present utility model.
Fig. 1 is a substance conductance performance demonstration device structural representation, as shown in the figure: the substance conductance performance demonstration device that provides of the present utility model, comprise link 1 and the display unit 2 that is used to observe circuit communication, described link 1 is electrically connected with display unit 2 removably.
Further improvement as the foregoing description also comprises bracket base, and described bracket base comprises horizontal base 31 and is used to install the vertical rack 32 of display unit.
As the further improvement of the foregoing description, also be provided for the fixedly junction block I21 of display unit 2 on the vertical rack 32; Be provided for the junction block II11 of fixed connecting part 1, described display unit 2, junction block I21, junction block II11 and link 1 series connection successively.
As the further improvement of the foregoing description, link 1 is provided with the pair of electrodes 12 that has groove 13.
As the further improvement of the foregoing description, also comprise the joint device that is arranged in electrode 12 grooves 13.
As the further improvement of the foregoing description, the joint device includes sound splice device, light joint device, vitreous electricity pole piece splicer spare, electrode straight joint device, semiconductor joint device, hot joint device and the liquid electrode straight joint device that can be positioned over respectively in the groove.
Bracket base in the utility model is for selecting the 1CM solid wood for use, gets length 30CM, wide 15CM and high 20CM is wooden makes; Junction block I and junction block II adopt the car tenon respectively, hang the tenon lamp socket, and link adopts scrap car tenon energy-saving bulb is removed glass glass, filler and rectifying block, 4 square millimeters of single core copper cash of weld diameter and making; Vitreous electricity pole piece splicer in the utility model hangs for scrapping that the tenon incandescent lamp bulb removes glass and tungsten filament is made; Liquid electrode straight joint device is a carbon-point.
Load onto bulb and link when using this demonstration device earlier; 4 square millimeters copper, aluminium, iron, lead, tin bar are put into respectively in the two electrode grooves, the difference energized, it is shinny to observe bulb, illustrates that this material is a conductor; 4 square millimeters plastics, rubber, wood, dried bamboo, sliver are put into two electrode groove China respectively, the difference energized, it is not shinny to observe bulb, illustrates that these materials are insulators.
The electric conductivity process of demonstration glass: take off the electrode contact device, load onto car tenon bulb, take off and hang the tenon bulb, load onto vitreous electricity pole piece splicer.Plug in, bulb does not work, and lights spirit lamp, slowly heating, and the glass conduction, bulb is shinny, illustrates that this material of glass heats is a semiconductor.
The electric conductivity process of demonstration solution: change carbon electrode joint device, carbon-point is put into is equipped with in clear water and acid, alkali, the brine solution cup respectively, it is bright and do not work to observe bulb.
Demonstrate the electric conductivity process of other object: with the multiple sensor connector devices such as material or sound, light, heat, smog of partly leading, observe bulb bright with do not work.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although by the utility model being described with reference to preferred embodiment of the present utility model, but those of ordinary skill in the art is to be understood that, can make various changes to it in the form and details, and the spirit and scope of the present utility model that do not depart from appended claims and limited.
Claims (6)
1. substance conductance performance demonstration device is characterized in that: comprise link (1) and be used to observe the display unit (2) of circuit communication, described link (1) is electrically connected with display unit (2) removably.
2. substance conductance performance demonstration device according to claim 1 is characterized in that: also comprise bracket base, described bracket base comprises horizontal base (31) and is used to install the vertical rack (32) of display unit.
3. substance conductance performance demonstration device according to claim 2 is characterized in that: also be provided for the fixedly junction block I (21) of display unit (2) on the described vertical rack (32); Be provided for the junction block II (11) of fixed connecting part (1), described display unit (2), junction block I (21), junction block II (11) and link (1) series connection successively.
4. substance conductance performance demonstration device according to claim 1 is characterized in that: described link (1) is provided with the pair of electrodes (12) that has groove (13).
5. substance conductance performance demonstration device according to claim 4 is characterized in that: also comprise the joint device that is arranged in electrode (12) groove (13).
6. substance conductance performance demonstration device according to claim 5 is characterized in that: described joint device includes sound splice device, light joint device, vitreous electricity pole piece splicer spare, electrode straight joint device, semiconductor joint device, hot joint device and the liquid electrode straight joint device that can be positioned over respectively in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206695016U CN201886684U (en) | 2010-12-20 | 2010-12-20 | Substance conductive performance demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206695016U CN201886684U (en) | 2010-12-20 | 2010-12-20 | Substance conductive performance demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201886684U true CN201886684U (en) | 2011-06-29 |
Family
ID=44184232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206695016U Expired - Fee Related CN201886684U (en) | 2010-12-20 | 2010-12-20 | Substance conductive performance demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201886684U (en) |
-
2010
- 2010-12-20 CN CN2010206695016U patent/CN201886684U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20121220 |