CN205158751U - Material electric conductive property demonstrates lamp - Google Patents
Material electric conductive property demonstrates lamp Download PDFInfo
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- CN205158751U CN205158751U CN201520843945.XU CN201520843945U CN205158751U CN 205158751 U CN205158751 U CN 205158751U CN 201520843945 U CN201520843945 U CN 201520843945U CN 205158751 U CN205158751 U CN 205158751U
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Abstract
The utility model relates to an exhibition field specifically provides a material electric conductive property show desk lamp, form a breach on material electric conductive property demonstrates lamp's the support frame, the wire includes upper conductor and wire down, down the both ends of wire connect respectively with the lower limb of breach, the both ends of upper conductor are connected respectively the top edge and the mount pad of breach, still include a rotator, be provided with a plurality of installation space on the rotator install the material that awaits measuring in the installation space, the rotator rotate can with the material that awaits measuring embedding in the breach of support frame, await measuring the material with the top edge and the lower limb of breach all contact. Like this when spectator rotates the rotator, will fill different electric conductive property's material in breach department, and then desk lamp luminance will be different to the electric conductive property who has demonstrateed different materials. This kind of material electric conductive property demonstrates lamp's easy operation, directly perceived, convenient, interesting strong is particularly suitable for children and operates, is particularly useful for the so applied scene in museum.
Description
Technical field
The utility model relates to exhibition field, specifically provides a kind of materials conductive performance show stand lamp.
Background technology
At occurring in nature, material can be divided into three kinds according to electric conductivity: conductor, insulator and semiconductor.In museum, in order to improve spectators (particularly children) to the interest of science, usually can be equipped with materials conductive performance presentation device.Existing materials conductive performance presentation device comprises usually: power supply, bulb or music box, detected materials; Power supply, bulb or music box and detected materials are sequentially connected in series, and detected materials can be changed.When bulb is bright or music is loud, then detected materials is conductor; Otherwise be insulator; Bulb brightness is weak, the loud degree of music is weak and be semiconductor slowly.And current materials conductive performance presentation device all needs manually to change detected materials usually, this just likely causes the loss of detected materials, also likely hurts operator (particularly children), and operation is also inconvenient.
As disclosed a kind of box for demonstrating conductive property of material in Chinese patent literature CN201927257U, in this demonstration case, be embedded with the material of different electric conductivity, different conductive materials can be selected by electrical wire clip, when electrical wire clip clamps different conductive materials, bulb brightness or music box loudness can be different, thus show the electric conductivity of different conductive material.And in museum's application scenarios, having a lot of spectators (comprising children) every day visits, allow children to operate electrical wire clip, can be very inconvenient, the electric wire simultaneously also likely connected by electrical wire clip, to breaking, also likely hurts children, thus is unfavorable for that children manually participate in.Therefore, be badly in need of one be applicable to museum's application scenarios, easy to operate, be beneficial to manual viewer participate in materials conductive performance show stand lamp.
Utility model content
For this reason, problem to be solved in the utility model be not have in prior art a kind of be applicable to museum's application scenarios, easy to operate, be beneficial to the materials conductive performance show stand lamp that manual viewer participates in.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
A kind of materials conductive performance display lamp, comprise base, bracing frame, mount pad and bulb, power supply is provided with in described base, support frame as described above is connected with described base, first wire and the second wire are installed in support frame as described above, by described mount pad, described bulb is installed in the end of support frame as described above, it is characterized in that, the two ends of described first wire connect the first end of described power supply and the first end of described mount pad respectively, and the two ends of described second wire connect the second end of described power supply and the second end of described mount pad respectively; Support frame as described above forms a breach, described second wire comprises upper conductor and lower wire, the two ends of described lower wire connect the second end of power supply and the lower limb of described breach respectively, and the two ends of described upper conductor connect the coboundary of described breach and the second end of described mount pad respectively; Also comprise a rotary body, described rotary body is provided with some installing spaces, in described installing space, detected materials is installed, described rotary body rotates and described detected materials can be embedded in the breach of support frame as described above, and described detected materials is all contacted with lower limb with the coboundary of described breach.
Preferably, described detected materials comprises one or more in conductor, insulator, semiconductor.
Preferably, described rotary body is circular, and described some installing spaces are uniformly distributed in this circle circumferentially.
Preferably, described rotary body is arranged on described base by vertical rotation axis.
Preferably, described base is also provided with a switch, controls the break-make of described lower wire and described power supply.
Preferably, described rotary body is provided with 3 installing spaces, described 3 installing spaces arranged in same being circumferentially separated by 120 °.
Preferably, described 3 installing spaces are separately installed with graphite, asbestos, pyrite.
Preferably, in the periphery of described bulb, lampshade is installed.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) materials conductive performance display lamp described in the utility model, this display lamp is provided with a breach, be provided with a rotary body simultaneously, this rotary body extend in this breach, is embedded into by the material of different electric conductivity in this rotary body, when spectators rotate this rotary body, different conductive materials will be embedded in this breach, make the lower edges conducting of this breach, thus different according to the brightness of bulb, just can judge the different electric conductivities of different materials.When spectators use this display lamp, do not need manually to change test material, only need to rotate this rotary body, this mode of operation is simple, directly perceived, convenient, interesting strong, be particularly suitable for children to operate, be particularly useful for the application scenarios that museum is such.
(2) materials conductive performance display lamp described in the utility model, described rotary body is arranged on described base by vertical rotation axis, is fixed on base, facilitates surgical procedure by this rotary body, the loss of rotary body can be prevented simultaneously, be specially adapted to the application scenarios that museum is such.
(3) materials conductive performance display lamp described in the utility model; in the periphery of bulb, lampshade is installed; when children use this display lamp; eyes likely can stare at the bulb on this display lamp always, and this likely can hurt the eyes of children, therefore; in the periphery of bulb, lampshade is installed; light will be softer, thus can the eyes of effective child protection, is specially adapted to the application scenarios that museum is such.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is the front view of the materials conductive performance show stand lamp in the utility model embodiment 1;
Fig. 2 is materials conductive performance show stand lamp in the utility model embodiment 1 and the right view showing table;
Fig. 3 is the front view of the materials conductive performance show stand lamp in the utility model embodiment 2;
Fig. 4 is materials conductive performance show stand lamp in the utility model embodiment 2 and the right view showing table.
In figure, Reference numeral is expressed as:
1-base, 2-bracing frame, 3-mount pad, 4-bulb, 5-power supply, 6-first wire, 7-upper conductor, 8-lower wire, 9-lower limb, 10-coboundary, 11-rotary body, 12-installing space, 13-breach, the vertical rotation axis of 14-, 15-switch, 16-lampshade, 17-second wire.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Embodiment 1:
A kind of materials conductive performance display lamp is provided in this enforcement, as shown in Figure 1, comprise base 1, bracing frame 2, mount pad 3 and bulb 4, power supply 5 is provided with in described base, support frame as described above 2 is connected with described base 1, first wire 6 and the second wire 17 is installed in support frame as described above 2, by described mount pad 3, described bulb 4 is installed in the end of support frame as described above 2, it is characterized in that, the two ends of described first wire 6 connect the first end of described power supply 5 and the first end of described mount pad 3 respectively, the two ends of described second wire 17 connect the second end of described power supply 5 and the second end of described mount pad 3 respectively, support frame as described above 2 forms a breach 13, described second wire 17 comprises upper conductor 7 and lower wire 8, the two ends of described lower wire 8 connect the second end of power supply 5 and the lower limb 9 of described breach 13 respectively, and the two ends of described upper conductor 7 connect the coboundary 10 of described breach 13 and the second end of described mount pad 3 respectively, also comprise a rotary body 11, described rotary body 11 is provided with some installing spaces 12, in described installing space 12, detected materials is installed, described rotary body 11 rotates and can embed in the breach 13 of support frame as described above by described detected materials, described detected materials is all contacted with lower limb 9 with the coboundary 10 of described breach 13, and described first wire 6 is connected with mount pad 3 with the different support section of the second wire 17 by bracing frame 2.
When spectators rotate rotary body 11, different detected materials will be embedded in breach, thus make the circuit turn-on of this display lamp, because the electric conductivity of different materials is different, the brightness of bulb will be different, thus illustrate the different electric conductivities of different materials.In museum, have a lot of children every day to visit, children can operate this rotary body very easily, too increase the interest of operation simultaneously.Simultaneously for the sake of security, the voltage of power supply 5 must not more than 36V, such as: the dry cell series connection of two joint 1.5V can be used as power supply.As shown in Figure 2, this display lamp can be placed in above a displaying table, base 3 can be fixed on this displaying table.
In other some embodiments, described detected materials can comprise one or more in conductor, insulator, semiconductor.Such as: in order to show the different electric conductivities of these three kinds of materials of conductor, insulator, semiconductor, can install these three kinds of materials in installing space respectively, when rotating rotary body, when conductor embeds this breach, bulb is luminous and brightness ratio is higher; When insulator embeds this breach, bulb does not work; When semiconductor embeds this breach, bulb is luminous but brightness ratio is lower.
As preferably embodiment, described rotary body 11 is circular, and described some installing spaces 12 are uniformly distributed in this circle circumferentially.When rotary body is circular, do not have corner angle, would not hurt children, installing space is uniformly distributed in circumferentially simultaneously, also contributes to operation.
In the present embodiment, described rotary body 11 is arranged on described base 1 by vertical rotation axis 14.Like this, will rotary body be fixed on base, particularly in museum's scene (children are many), effectively can prevent the loss of rotary body.
As other some preferred versions, described base 1 is also provided with a switch 15, controls the break-make of described lower wire 8 and described power supply 5.Like this, when not needing to use, the circuit that can disconnect this display lamp connects.
As other interchangeable specific embodiments, described rotary body 11 is provided with 3 installing spaces, described 3 installing spaces arranged in same being circumferentially separated by 120 °.Wherein, described 3 installing spaces are separately installed with graphite, asbestos, pyrite.At occurring in nature, graphite is common conductor, and has good electric conductivity; Asbestos have weak inductive or non-conductive; And pyritous electric conductivity is between it between two, and relevant with temperature.Therefore, this three can be used to be used to show the conductivity difference of conductor, insulator and semiconductor.
As further preferred embodiment, as shown in Figure 2, in the periphery of described bulb, lampshade 16 is installed.When using this display lamp, likely the eyes of children stare at bulb always, and be provided with a lampshade, light will be softer, thus can the eyes of effective child protection.
Embodiment 2:
A kind of materials conductive performance display lamp is provided in this enforcement, as shown in Figure 3, comprise base 1, bracing frame 2, mount pad 3 and bulb 4, power supply 5 is provided with in described base, support frame as described above 2 is connected with described base 1, first wire 6 and the second wire 17 is installed in support frame as described above 2, by described mount pad 3, described bulb 4 is installed in the end of support frame as described above 2, it is characterized in that, the two ends of described first wire 6 connect the first end of described power supply 5 and the first end of described mount pad 3 respectively, the two ends of described second wire 17 connect the second end of described power supply 5 and the second end of described mount pad 3 respectively, support frame as described above 2 forms a breach 13, described second wire 17 comprises upper conductor 7 and lower wire 8, the two ends of described lower wire 8 connect the second end of power supply 5 and the lower limb 9 of described breach 13 respectively, and the two ends of described upper conductor 7 connect the coboundary 10 of described breach 13 and the second end of described mount pad 3 respectively, also comprise a rotary body 11, described rotary body 11 is provided with some installing spaces 12, in described installing space 12, detected materials is installed, described rotary body 11 rotates and can embed in the breach 13 of support frame as described above by described detected materials, described detected materials is all contacted with lower limb 9 with the coboundary 10 of described breach 13, and described first wire 6 is connected with mount pad 3 with the identical support section of the second wire 17 by bracing frame 2.
In other some embodiments, described detected materials can comprise one or more in conductor, insulator, semiconductor.
As preferably embodiment, described rotary body 11 is circular, and described some installing spaces 12 are uniformly distributed in this circle circumferentially.
In the present embodiment, described rotary body 11 is arranged on described base 1 by vertical rotation axis 14.
As other some preferred versions, described base 1 is also provided with a switch 15, controls the break-make of described lower wire 8 and described power supply 5.
As other interchangeable specific embodiments, described rotary body 11 is provided with 3 installing spaces, described 3 installing spaces arranged in same being circumferentially separated by 120 °.Wherein, described 3 installing spaces are separately installed with graphite, asbestos, pyrite.
As further preferred embodiment, as shown in Figure 4, in the periphery of described bulb, lampshade 16 is installed.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (8)
1. a materials conductive performance display lamp, comprise base (1), bracing frame (2), mount pad (3) and bulb (4), power supply (5) is provided with in described base, support frame as described above (2) is connected with described base (1), first wire (6) and the second wire (17) are installed in support frame as described above (2), by described mount pad (3), described bulb (4) is installed in the end of support frame as described above (2), it is characterized in that, the two ends of described first wire (6) connect the first end of described power supply (5) and the first end of described mount pad (3) respectively, the two ends of described second wire (17) connect the second end of described power supply (5) and the second end of described mount pad (3) respectively, the upper formation breach (13) of support frame as described above (2), described second wire (17) comprises upper conductor (7) and lower wire (8), the two ends of described lower wire (8) connect the second end of power supply (5) and the lower limb (9) of described breach (13) respectively, and the two ends of described upper conductor (7) connect the coboundary (10) of described breach (13) and the second end of described mount pad (3) respectively, also comprise a rotary body (11), described rotary body (11) is provided with some installing spaces (12), in described installing space (12), detected materials is installed, described rotary body (11) rotates and described detected materials can be embedded in the breach (13) of support frame as described above, and described detected materials is all contacted with lower limb (9) with the coboundary (10) of described breach (13).
2. materials conductive performance display lamp according to claim 1, it is characterized in that, described detected materials comprises one or more in conductor, insulator, semiconductor.
3. materials conductive performance display lamp according to claim 1 and 2, is characterized in that, described rotary body (11) is circular, and described some installing spaces (12) are uniformly distributed in this circle circumferentially.
4. materials conductive performance display lamp according to claim 3, is characterized in that, described rotary body (11) is arranged on described base (1) by vertical rotation axis (14).
5. materials conductive performance display lamp according to claim 1 and 2, it is characterized in that, described base (1) is also provided with a switch (15), controls the break-make of described lower wire (8) and described power supply (5).
6. materials conductive performance display lamp according to claim 1, is characterized in that, described rotary body (11) is provided with 3 installing spaces, and described 3 installing spaces arranged in same being circumferentially separated by 120 °.
7. materials conductive performance display lamp according to claim 6, is characterized in that, described 3 installing spaces are separately installed with graphite, asbestos, pyrite.
8. materials conductive performance display lamp according to claim 7, is characterized in that, is provided with lampshade (16) in the periphery of described bulb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520843945.XU CN205158751U (en) | 2015-10-28 | 2015-10-28 | Material electric conductive property demonstrates lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520843945.XU CN205158751U (en) | 2015-10-28 | 2015-10-28 | Material electric conductive property demonstrates lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205158751U true CN205158751U (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520843945.XU Active CN205158751U (en) | 2015-10-28 | 2015-10-28 | Material electric conductive property demonstrates lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205158751U (en) |
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2015
- 2015-10-28 CN CN201520843945.XU patent/CN205158751U/en active Active
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| C14 | Grant of patent or utility model | ||
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