CN112991879A - Demonstration board for computer application teaching - Google Patents
Demonstration board for computer application teaching Download PDFInfo
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- CN112991879A CN112991879A CN202110281802.4A CN202110281802A CN112991879A CN 112991879 A CN112991879 A CN 112991879A CN 202110281802 A CN202110281802 A CN 202110281802A CN 112991879 A CN112991879 A CN 112991879A
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- demonstration board
- light
- demonstration
- water condensation
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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
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/0053—Computers, e.g. programming
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0464—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the level of ambient illumination, e.g. dawn or dusk sensors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/51—Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
- F21V29/713—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements in direct thermal and mechanical contact of each other to form a single system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Computer Hardware Design (AREA)
- Entrepreneurship & Innovation (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a demonstration board for computer application teaching, which structurally comprises an adjusting bracket, a demonstration board, a lifting support rod, a fixed support rod, a balance base, a storage box and a moving wheel, wherein one end of the bottom of the adjusting bracket is connected with the top of the lifting support rod, the side edge of the adjusting bracket is connected with the back of the demonstration board, one end of the bottom of the lifting support rod is embedded and connected into the fixed support rod, one end of the bottom of the fixed support rod is fixedly arranged on the balance base, the storage box is arranged at the bottom of the demonstration board, 4 moving wheels are arranged and respectively arranged at the bottom of the balance base, and a light sensation balance adjusting device is arranged on the demonstration board. The damage of the lamp tube overheating to the demonstration board is reduced.
Description
Technical Field
The invention relates to the field of teaching equipment, in particular to a demonstration board for computer application teaching.
Background
The teaching board is a board placed in a classroom or a meeting room, and the content is written by chalk or a water-based pen, so that the teaching board plays a role in explaining and demonstrating, and the indoor light brightness can be changed along with the external environment continuously during indoor teaching demonstration; especially, cloudy weather or the very fast daytime of weather change, have the condition of neglecting, if do not turn on light in time and adjust indoor light this moment, easily make the student see not clearly the demonstration board, produce the influence to the teaching result, simultaneously the neglected demonstration board causes the injury to human eyes.
Disclosure of Invention
Aiming at the defects of the prior art, the invention is realized by the following technical scheme: a demonstration board for computer application teaching structurally comprises an adjusting bracket, a demonstration board, a lifting support rod, a fixed support rod, a balance base, a storage box and moving wheels, wherein one end of the bottom of the adjusting bracket is connected with the top of the lifting support rod, the side edge of the adjusting bracket is connected with the back of the demonstration board, one end of the bottom of the lifting support rod is embedded and connected into the fixed support rod, one end of the bottom of the fixed support rod is fixedly arranged on the balance base, the storage box is arranged at the bottom of the demonstration board, the number of the moving wheels is 4, the 4 moving wheels are respectively arranged at the bottom of the balance base,
be equipped with light sense balance adjustment device on the demonstration board, light sense balance adjustment device includes light adjusting device, thermal balance device, vertical anchor strut, light adjusting device is equipped with 2 groups, fixed connection respectively in demonstration board top and bottom to be the symmetry form, the demonstration board back is located to thermal balance device, the light adjusting device that demonstration board and demonstration board top were passed to thermal balance device top one end is connected, the light adjusting device that demonstration board and demonstration board bottom were passed to thermal balance device bottom one end links to each other, vertical anchor strut is equipped with 2 to both ends about locating the demonstration board respectively.
As the further optimization of this technical scheme, be equipped with the film on the demonstration board, the film closely laminates in demonstration board front side surface, the film is equipped with 2, distributes respectively in both ends about the demonstration board to locate light adjusting device inboard, the film surface is the matte effect, avoids appearing reflection of light phenomenon under the fluorescent tube closely shines.
As the further optimization of the technical scheme, the light adjusting device comprises an upper protection plate, a light barrier, a lamp tube and a light sensing device, the upper protection plate is fixedly connected to the front side of the top of the demonstration plate, the light barrier is perpendicularly connected to the front end of the bottom of the upper protection plate, the lower end of the upper protection plate is arranged on the lamp tube and is arranged on the inner side of the light barrier, the top of the back of the demonstration plate is arranged on the light sensing device, the light sensing device is tightly connected with the lamp tube through electricity, the light irradiated by the lamp tube is prevented from being excessively dispersed through the light barrier, and the effect of adjusting the light angle is achieved.
As a further optimization of the technical scheme, the light sensing device comprises a light sensing window, a light sensing receiving device, an internal groove and a fixed sleeve box, the light sensing window and the fixed sleeve box are of an integrated structure, the light sensing window is arranged on the top surface of the fixed sleeve box, the light sensing receiving device is arranged in the internal groove, the internal groove is arranged in the fixed sleeve box, and the light sensing receiving device detects the indoor ambient brightness through the light sensing window.
As a further optimization of the technical scheme, the thermal balancing device comprises 4 water condensation pipes, fixing buckles, heat conducting fins and heat exchange fins, wherein the water condensation pipes are connected in a rectangular shape in pairs, condensate is communicated with the inside of each water condensation pipe, the water condensation pipes are fixed on the back of the demonstration board through the fixing buckles, one ends of the heat exchange fins are connected with the water condensation pipes arranged at the top in an attaching mode, the other ends of the heat exchange fins penetrate through the demonstration board to be connected with the heat conducting fins, the heat exchange fins are consistent with the heat conducting fins in number, the heat conducting fins are 4, and the heat conducting fins are connected with the surface of the lamp tube in an attaching mode.
As the further optimization of the technical scheme, the thermal insulation silica gel pad is arranged at the joint of the rear side surface of the demonstration board and the water condensation pipe, so that the water condensation pipe is prevented from becoming hot and excessive heat is prevented from flowing back to the demonstration board.
As a further optimization of the technical scheme, the side edges of the heat exchange fins are provided with heat insulation layers, the heat insulation layers are provided with 2 heat exchange fins, the 4 heat exchange fins are in a group, and the 2 heat insulation layers are respectively arranged on the upper side and the lower side of the group of heat exchange fins.
As a further optimization of the technical scheme, the left end and the right end of the lamp tube are respectively provided with a connecting assembly, the connecting assembly is composed of a protection box, a limiting frame, a power-on contact, a limiting torsional spring and an insulating layer, the limiting frame is arranged in the protection box, the power-on contact is movably arranged in the limiting frame, one end of the limiting torsional spring is fixed on the inner wall of the limiting frame, the other end of the limiting torsional spring is connected with the insulating layer, the other side of the insulating layer is connected with the power-on contact, the power-on contact is connected with the lamp tube, and the power.
Advantageous effects
The invention relates to a demonstration board for computer application teaching, wherein a light sensing receiving device in a light sensing balance adjusting device receives a light change signal, a lamp tube is opened through an electric signal, after the lamp tube arranged at the upper end and the lower end of the demonstration board is opened, under the action of a light baffle, light irradiates vertical to the bottom surface, the brightness is increased for the front surface of the demonstration board, the lamp tube is easy to generate heating problem under long-time irradiation, a heat conducting sheet is attached to the surface of the lamp tube, the heat conducting sheet and a heat exchange sheet are made of materials with better heat conducting property and comprise but not limited to copper materials, aluminum materials and the like, heat is transferred to the heat exchange sheet through the heat conducting sheet, then transferred to a water condensation pipe and condensed water in the water condensation pipe generate heat exchange, the temperature of the lamp tube is reduced, the condensed water in the water condensation pipe is balanced in the communicated with the water condensation pipe, the redundant heat is dissipated, and the problem of scalding and overheating after the lamp, particularly, the demonstration board is generally made of a material with low heat resistance, so that the demonstration board is prevented from being damaged; in order to facilitate the installation of the lamp tube, the connecting components are arranged on the two sides of the lamp tube, the lamp tube is inserted into the limiting frame during installation and pushed inwards, after the lamp tube is installed, the power-on contact is tightly connected with the lamp tube under the pushing action of the limiting torsion spring, the problem that the lamp tube is not bright due to poor contact is avoided, and meanwhile, the lamp tube is installed more firmly due to the pushing limiting torsion spring.
Compared with the prior art, the invention has the following advantages:
the light sensation balance adjusting device is arranged to detect indoor light, the demonstration board is brightened according to the brightness degree of the indoor light, the phenomenon that the light is too dark to influence teaching is avoided, damage to eyes of a human body is reduced, and meanwhile, the lamp tube is cooled, and damage to the demonstration board caused by overheating of the lamp tube is relieved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of a demonstration board for computer application teaching according to the present invention.
FIG. 2 is a front view of the light sensation balance adjustment device of the present invention.
FIG. 3 is a schematic cross-sectional view of a light adjusting device at A according to the present invention.
FIG. 4 is a schematic view of the bonding of the thermal balancing device and the lamp tube according to the present invention.
Fig. 5 is a schematic structural view of the connecting assembly of the present invention.
In the figure: the device comprises an adjusting bracket 1, a demonstration board 2, a lifting support rod 3, a fixing support rod 4, a balance base 5, a storage box 6, a moving wheel 7, a light sensation balance adjusting device 20, a light ray adjusting device 201, a thermal balance device 202, a vertical reinforcing rod 203, a film 204, an upper protection plate 2011, a light barrier 2012, a lamp tube 2013, a light ray sensing device 2014, a light ray sensing window 4a, a light sensation receiving device 4b, a built-in groove 4c, a fixing sleeve box 4d, a tube 2a, a fixing buckle 2b, a heat conducting sheet 2d, a water condensation heat exchange sheet 2e, a heat insulation layer f, a connecting assembly n, a protection box n1, a limit frame n2, an electrified contact n3, a limit torsion spring n5 and an insulation layer n 6.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.
Example one
Referring to fig. 1-4, the invention provides a demonstration board for computer application teaching, which structurally comprises an adjusting bracket 1, a demonstration board 2, a lifting support rod 3, a fixed support rod 4, a balance base 5, an object placing box 6 and a moving wheel 7, wherein one end of the bottom of the adjusting bracket 1 is connected with the top of the lifting support rod 3, the side of the adjusting bracket 1 is connected with the back of the demonstration board 2, one end of the bottom of the lifting support rod 3 is embedded and connected into the fixed support rod 4, one end of the bottom of the fixed support rod 4 is fixedly arranged on the balance base 5, the object placing box 6 is arranged at the bottom of the demonstration board 2, the moving wheels 7 are 4 and are respectively arranged at the bottom of the balance base 5, and the demonstration board is characterized in that:
be equipped with light sense balance adjustment device 20 on demonstration board 2, light sense balance adjustment device 20 includes light adjusting device 201, thermal balance device 202, vertical anchor strut 203, light adjusting device 201 is equipped with 2 groups, and fixed connection is in demonstration board 2 tops and bottom respectively to be the symmetry form, the 2 backs of demonstration board are located to thermal balance device 202, thermal balance device 202 top one end is passed demonstration board 2 and is connected with the light adjusting device 201 at demonstration board 2 tops, thermal balance device 202 bottom one end is passed demonstration board 2 and is linked to each other with the light adjusting device 201 of demonstration board 2 bottoms, vertical anchor strut 203 is equipped with 2 ways to locate both ends about demonstration board 2 respectively.
Be equipped with film 204 on demonstration board 2, film 204 closely laminates in demonstration board 2 front side surface, film 204 is equipped with 2, distributes respectively in demonstration board 2 upper and lower both ends to locate light adjusting device 201 inboard, the inferior light effect is personally submitted to film 204 outward surface, avoids appearing the reflection of light phenomenon under the fluorescent tube closely shines.
The thermal balance device 202 comprises water condensation pipes 2a, fixing buckles 2b, heat conducting fins 2d and heat exchange fins 2e, wherein 4 water condensation pipes 2a are arranged, the water condensation pipes are connected in a rectangular shape in a pairwise mode, condensate is communicated with the inside of each water condensation pipe 2a, the water condensation pipes 2a are fixed to the back face of the demonstration board 2 through the fixing buckles 2b, one ends of the heat exchange fins 2e are connected with the water condensation pipes 2a arranged at the top in a laminating mode, the other ends of the heat exchange fins 2e penetrate through the demonstration board 2 to be connected with the heat conducting fins 2d, the number of the heat exchange fins 2e is the same as that of the heat conducting fins 2d, the number of the heat conducting fins 2d is 4, and the heat conducting fins.
The thermal insulation silica gel pad e is arranged at the joint of the rear side surface of the demonstration board 2 and the water condensation pipe 2a, so that the water condensation pipe 2a is prevented from becoming hot and excessive heat is prevented from flowing back to the demonstration board 2.
The side of heat exchanger fin 2e is equipped with insulating layer f, insulating layer f is equipped with 2, 4 heat exchanger fins 2e are a set of, 2 the both sides about a set of heat exchanger fin 2e are located respectively to insulating layer f.
When the demonstration board is used for teaching, if indoor light is dark, the light sensing receiving device 4b in the light sensing balance adjusting device 20 receives a light change signal, the lamp tube 2013 is opened through an electric signal, after the lamp tube 2013 arranged at the upper end and the lower end of the demonstration board 2 is opened, under the action of the light blocking board 2012, light irradiates to be vertical to the bottom surface, so as to increase the brightness of the front surface of the demonstration board 2, the lamp tube 2013 is easy to generate heating problems under long-time irradiation, the heat conducting sheet 2d is attached to the surface of the lamp tube 2013, the heat conducting sheet 2d and the heat exchanging sheet 2e are both made of materials with better heat conducting property, including but not limited to copper materials and aluminum materials, etc., heat is transferred to the heat exchanging sheet 2e through the heat conducting sheet 2d, then transferred to the water condensation pipe 2a and the water condensation water in the normal temperature of the water condensation pipe 2a to generate heat exchange, so as to promote the temperature reduction of the lamp tube 2013, the excessive heat is dissipated, the problem that the lamp tube 2013 is hot and overheated after being used for a long time is solved, and particularly the demonstration board 2 is made of a material with low heat resistance, so that the demonstration board 2 is prevented from being damaged.
Example two
Referring to fig. 5, the invention provides a demonstration board for computer application teaching, which structurally comprises a connecting component n, wherein the connecting component n comprises a protective box n1, a limiting frame n2, a power-on contact n3, a limiting torsion spring n5 and an insulating layer n6, the limiting frame n2 is arranged in the protective box n1, the power-on contact n3 is movably arranged in the limiting frame n2, one end of the limiting torsion spring n5 is fixed on the inner wall of the limiting frame n2, the other end of the limiting torsion spring n5 is connected with the insulating layer n6, the other side of the insulating layer n6 is connected with a power-on contact n3, the power-on contact n3 is connected with a lamp tube 2013, and the power-on contact n3 is electrically and tightly connected with a light sensing device 2014.
On the basis of the first embodiment, in order to facilitate the installation of the lamp tube 2013, the connecting components n are arranged on two sides of the lamp tube 2013, the lamp tube 2013 is inserted into the limiting frame n2 during installation and pushed inwards, after the lamp tube 2013 is installed, the power-on contact n3 is tightly connected with the lamp tube 2013 under the pushing action of the limiting torsion spring n5, the problem that the lamp tube 2013 is not bright due to poor contact is avoided, and meanwhile, the limiting torsion spring n5 pushed outwards enables the lamp tube 2013 to be installed more firmly.
While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a demonstration board is used in teaching of computer application, its structure is including adjustment support (1), demonstration board (2), lift branch (3), fixed branch (4), balanced base (5), put thing box (6), remove wheel (7), adjustment support (1) bottom one end is connected with lift branch (3) top, adjustment support (1) side is connected with demonstration board (2) back, lift branch (3) bottom one end embedding is connected in fixed branch (4), fixed branch (4) bottom one end is fixed to be located on balanced base (5), it locates demonstration board (2) bottom to put thing box (6), it is equipped with 4 to remove wheel (7), locates balanced base (5) bottom respectively, its characterized in that:
be equipped with light sense balance adjustment device (20) on demonstration board (2), light sense balance adjustment device (20) include light adjusting device (201), thermal balance device (202), vertical anchor strut (203), light adjusting device (201) are equipped with 2 groups, and fixed connection is in demonstration board (2) top and bottom respectively to be the symmetry form, demonstration board (2) back is located in thermal balance device (202), thermal balance device (202) top one end is passed demonstration board (2) and is connected with light adjusting device (201) at demonstration board (2) top, thermal balance device (202) bottom one end is passed demonstration board (2) and is linked to each other with light adjusting device (201) of demonstration board (2) bottom, vertical anchor strut (203) are equipped with 2 to locate both ends about demonstration board (2) respectively.
2. A demonstration board for teaching computer applications according to claim 1, wherein: be equipped with film (204) on demonstration board (2), film (204) closely laminate in demonstration board (2) front side surface, film (204) are equipped with 2, distribute in both ends about demonstration board (2) respectively to locate light adjusting device (201) inboardly.
3. A demonstration board for teaching computer applications according to claim 1, wherein: light adjusting device (201) includes backplate (2011), barn door (2012), fluorescent tube (2013), light induction system (2014), go up backplate (2011) fixed connection in demonstration board (2) top front side, barn door (2012) are connected perpendicularly in backplate (2011) bottom front end, backplate (2011) lower extreme is located in fluorescent tube (2013) to locate barn door (2012) inboard, demonstration board (2) back top is located in light induction system (2014), light induction system (2014) are closely linked to each other through electricity and fluorescent tube (2013).
4. A demonstration board for teaching computer applications according to claim 1, wherein: light induction apparatus (2014) include light induction window (4 a), light sense receiving arrangement (4 b), built-in groove (4 c), fixed cover box (4 d), light induction window (4 a) are integrated structure with fixed cover box (4 d), fixed cover box (4 d) top surface is located in light induction window (4 a), light sense receiving arrangement (4 b) are located in built-in groove (4 c), built-in groove (4 c) are located in fixed cover box (4 d).
5. A demonstration board for teaching computer applications according to claim 2 or 3, wherein: the thermal balance device (202) comprises 4 water condensation pipes (2 a), fixing buckles (2 b), heat conducting fins (2 d) and heat exchange fins (2 e), the water condensation pipes (2 a) are connected in a rectangular mode in pairs, condensate is communicated with the inside of the water condensation pipes, the water condensation pipes (2 a) are fixed to the back face of the demonstration board (2) through the fixing buckles (2 b), one ends of the heat exchange fins (2 e) are attached to the water condensation pipes (2 a) arranged at the top of the heat exchange fins (2 e), the other ends of the heat exchange fins (2 e) penetrate through the demonstration board (2) and are connected with the heat conducting fins (2 d), the number of the heat exchange fins (2 e) is consistent with that of the heat conducting fins (2 d), the number of the heat conducting fins (2 d) is 4, and the heat conducting fins (2 d) are attached to the surface of the lamp tube (201.
6. A demonstration board for teaching computer applications according to claim 5, wherein: and a heat insulation silica gel pad (e) is arranged at the joint of the rear side surface of the demonstration board (2) and the water condensation pipe (2 a).
7. A demonstration board for teaching computer applications according to claim 5, wherein: the heat exchanger fin (2 e) side is equipped with insulating layer (f), insulating layer (f) is equipped with 2, 4 heat exchanger fins (2 e) are a set of, 2 both sides about a set of heat exchanger fin (2 e) are located respectively to insulating layer (f).
8. A demonstration board for teaching computer applications according to claim 3, wherein: both ends are equipped with coupling assembling (n) respectively about fluorescent tube (2013), coupling assembling (n) is by protection box (n 1), spacing frame (n 2), circular telegram contact (n 3), spacing torsional spring (n 5), insulating layer (n 6), in protection box (n 1) was located in spacing frame (n 2), circular telegram contact (n 3) activity is located inside spacing frame (n 2), spacing torsional spring (n 5) one end is fixed in on spacing frame (n 2) inner wall, and the other end is connected with insulating layer (n 6), insulating layer (n 6) opposite side is connected with circular telegram contact (n 3), circular telegram contact (n 3) links to each other with fluorescent tube (2013), circular telegram contact (n 3) still closely links to each other through electricity and light induction system (2014).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110281802.4A CN112991879A (en) | 2021-03-16 | 2021-03-16 | Demonstration board for computer application teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110281802.4A CN112991879A (en) | 2021-03-16 | 2021-03-16 | Demonstration board for computer application teaching |
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| Publication Number | Publication Date |
|---|---|
| CN112991879A true CN112991879A (en) | 2021-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110281802.4A Pending CN112991879A (en) | 2021-03-16 | 2021-03-16 | Demonstration board for computer application teaching |
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| Country | Link |
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| CN (1) | CN112991879A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113467589A (en) * | 2021-07-20 | 2021-10-01 | 赣南师范大学 | Hero incident information flow demonstration equipment based on five-dimensional self-modeling |
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| CN210223151U (en) * | 2019-05-16 | 2020-03-31 | 周黎 | Multi-functional university's mathematical education demonstration board |
| CN210428957U (en) * | 2019-09-20 | 2020-04-28 | 河北工程大学 | Demonstration board for medical teaching |
| CN212005216U (en) * | 2020-06-15 | 2020-11-24 | 惠州市特朗照明电气有限公司 | Low-power-consumption environment-friendly LED lamp |
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2021
- 2021-03-16 CN CN202110281802.4A patent/CN112991879A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997193A (en) * | 2011-09-14 | 2013-03-27 | 薛伯钱 | Light emitting diode (LED) fluorescent lamp secure socket |
| CN204313041U (en) * | 2014-11-26 | 2015-05-06 | 嘉兴并升照明电器有限公司 | A kind of powerful heat radiating LED lamp |
| CN204632173U (en) * | 2015-05-24 | 2015-09-09 | 刘伊宁 | A kind of Financial Teaching demonstration board |
| CN207441041U (en) * | 2017-06-14 | 2018-06-01 | 陕西科技大学镐京学院 | A kind of intelligent tutoring parses showing stand with applied mathematics problem |
| CN207471149U (en) * | 2017-10-16 | 2018-06-08 | 崇义县精亿灯饰制品有限公司 | A kind of efficiency heat-radiating LED lamp |
| CN210223151U (en) * | 2019-05-16 | 2020-03-31 | 周黎 | Multi-functional university's mathematical education demonstration board |
| CN210428957U (en) * | 2019-09-20 | 2020-04-28 | 河北工程大学 | Demonstration board for medical teaching |
| CN212005216U (en) * | 2020-06-15 | 2020-11-24 | 惠州市特朗照明电气有限公司 | Low-power-consumption environment-friendly LED lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113467589A (en) * | 2021-07-20 | 2021-10-01 | 赣南师范大学 | Hero incident information flow demonstration equipment based on five-dimensional self-modeling |
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