CN208856084U - A kind of carrying case for multimedia teaching - Google Patents
A kind of carrying case for multimedia teaching Download PDFInfo
- Publication number
- CN208856084U CN208856084U CN201821136899.XU CN201821136899U CN208856084U CN 208856084 U CN208856084 U CN 208856084U CN 201821136899 U CN201821136899 U CN 201821136899U CN 208856084 U CN208856084 U CN 208856084U
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- CN
- China
- Prior art keywords
- storage groove
- cabinet
- triode
- projector
- connect
- 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 provides a kind of carrying case for multimedia teaching, cabinet including having upper cover, upper cover is hinged with cabinet, multiple scroll wheels are arranged in the bottom of cabinet, in one end of cabinet, the computer storage groove for storing computer is set, the opening upwards of computer storage groove, in the other end of cabinet, the projector storage groove for storing projector is set, projector storage groove opening upwards, cable storage groove is set between computer storage groove and projector storage groove, cable storage groove opening upwards, in the side of cabinet, the projection cloth storage groove for storing projection cloth is set, projection cloth storage groove opening upwards, elastic reducing-fixing band is provided at the top of computer storage groove and projector storage groove.Computer, projector etc. are placed in cabinet by the carrying case of this programme, can be carried at any time, are taken out when use, are put back to cabinet when not in use；There are idler wheel and handle cabinet easy to remove on cabinet.
Description
Technical field
The utility model relates to a kind of teaching aid, especially a kind of carrying case for multimedia teaching.
Background technique
In the prior art, well known technology is that current multimedia teaching has been widely used, but current more matchmakers
Body teaching, is that projector, computer etc. are fixed in classroom mostly, thus needs to prepare multimedia teaching for each classroom
Equipment increases instruction cost, and is also easy to happen stolen situation.This is existing deficiencies in the technology.
Summary of the invention
The purpose of this utility model aiming at deficiency of the prior art, and provides a kind of for multimedia religion
Computer, projector etc. are placed in cabinet by carrying case, can be carried at any time, are taken out when use, are put when not in use
Return cabinet；There are idler wheel and handle cabinet easy to remove on cabinet.
This programme is achieved by the following technical measures: a kind of carrying case for multimedia teaching, including is had
The cabinet of upper cover, upper cover is hinged with cabinet, and multiple scroll wheels are arranged in the bottom of cabinet, is arranged in one end of cabinet for storing electricity
The projector for storing projector is arranged in the other end of cabinet in the computer storage groove of brain, the opening upwards of computer storage groove
Cable storage groove, cable is arranged in storage groove, projector storage groove opening upwards between computer storage groove and projector storage groove
The projection cloth storage groove for storing projection cloth is arranged in the side of cabinet in storage groove opening upwards, and projection cloth stores channel opening
Upwards, elastic reducing-fixing band is provided at the top of computer storage groove and projector storage groove.There is each storage groove can be used for
Store computer, projector, projection cloth and various power supply lines, video line etc., flexible fixing belt can to projector and computer into
Row is fixed, and avoids shaking in moving process；In projection, projection cloth can be taken out and be hung, can guaranteed so in time
Carry out project；And together with computer storage groove is not provided with projector storage groove, it can guarantee the balance of cabinet in this way,
It avoids in mobile box, since there is a situation where mould turnovers for imbalance.
It is respectively provided with buffering heat insulating mattress in the bottom of computer storage groove and projector storage groove, in computer storage groove and projector
The side wall of storage groove is respectively provided with buffering heat insulating mattress.So both can be heat-insulated or play the role of buffering, avoids accessed computer
Or when projector, collide, damage equipment, while during mobile box, guarantor also is played to computer and projector
Shield effect.
The cabinet is rectangle, and computer storage groove therein, projector storage groove, cable storage groove are a column, is thrown
Shadow cloth storage groove is a column.In this way convenient for storing each equipment, keep each equipment orderly aligned.
The upper cover be it is inverted U-shaped, on the surrounding tegmental wall of upper cover be arranged bar shaped groove, bar shaped is provided on cabinet
Protrusion, protrusion and matching grooves, on the inside of upper cover setting buffering heat insulating mattress.It is fluted and it is raised match, can rise in this way
To good sealing function, impurity or liquid is avoided to enter cabinet.
Travel switch is set at upper cover and cabinet closure, and the cathode of first diode D1 passes through travel switch and power supply
The anode of cathode connection, first diode D1 is connect by first resistor R1 with positive pole, and first diode D1 is just
Pole is connect with the cathode of second diode D2, and the anode of second diode D2 is connect with power cathode, first diode
The anode of D1 is connect with the anode of third diode D3, the cathode of third diode D3 and the base of first triode VT1
The base stage of pole connection, first triode VT1 is connect by capacitor C1 with power cathode, the emitter of first triode VT1
It is connect with power cathode, the collector of first triode VT1 is connect by second resistance R2 with positive pole, first three pole
The collector of pipe VT1 is connect with the base stage of second triode VT2, and the base stage of first triode VT1 passes through 3rd resistor R3
It is connect with the collector of second triode VT2, the collector of second triode VT2 passes through the 4th resistance R4 and positive pole
Connection, the emitter of second triode VT2 are connect with power cathode, and the collector of second triode VT2 passes through the 5th electricity
Resistance R5 is connect with the base stage of third triode VT3, and the emitter and power cathode of third triode VT3 is grounded, third
The collector of triode VT3 is connect by alarm B with positive pole, has alarm lamp L in parallel with alarm B, alarm lamp is fixed
In one end of cabinet setting handle.There is travel switch, in this way during transporting cabinet, once upper cover falls off, then stroke is opened
It closes and closes, first triode VT1 cut-off, second triode VT2 ends, third triode VT2 conducting, alarm and report
Warning lamp is alarmed.
One end of cabinet is provided with the handle for pulling cabinet, handle is arranged far from one end of articulated shaft, in this way
Cabinet easy to remove, alarm lamp are fixed on the lower section of handle.Handle plays a protective role to alarm lamp in this way, avoids alarm lamp quilt
It breaks.
The beneficial effect of this programme can according to the description of the above program, and the multimedia teaching case of the program will be used for
The computer and projector of multimedia teaching are both placed in cabinet, which classroom needs in use, being moved to corresponding religion in this way
Room is respectively mounted multimedia equipment without each classroom.It can be seen that the utility model is compared with prior art, tool
There are substantive distinguishing features and progress, beneficial effects of its implementation are also obvious.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of specific embodiment of the present invention.
Fig. 2 is the side view of carrying case.
Fig. 3 is the cross-sectional view of upper cover.
Fig. 4 is the circuit diagram of warning circuit.
In figure, 1 is cabinet, and 2 be upper cover, and 3 be computer storage groove, and 4 be projector storage groove, and 5 be cable storage groove, and 6 are
Projection cloth storage groove, 7 be handle, and 8 be elastic reducing-fixing band, and 9 be protrusion, and 10 be idler wheel, and 11 be alarm lamp, and 12 is heat-insulated to buffer
Pad, 13 be groove, and 14 be travel switch, and 15 be articulated shaft.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by a specific embodiment, and its attached drawing is combined, it is right
This programme is illustrated.
By attached drawing as can be seen that the carrying case for multimedia teaching of this programme, the cabinet 1 including having upper cover 2,
Upper cover 2 and cabinet 1 are hinged by articulated shaft 15, and multiple scroll wheels 10 are arranged in the bottom of cabinet 1, are arranged in one end of cabinet 1 and use
In the computer storage groove 3 of storage computer, the opening upwards of computer storage groove 3 are projected in the other end setting of cabinet 1 for storing
The projector storage groove 4 of instrument, 4 opening upwards of projector storage groove are arranged between computer storage groove and 3 projector storage grooves 4
The projection cloth storage groove for storing projection cloth is arranged in the side of cabinet 1 in cable storage groove 5,5 opening upwards of cable storage groove
6, projection cloth stores channel opening 6 upwards, is provided with elastic reducing-fixing band at the top of computer storage groove 3 and projector storage groove 4
8.The upper cover 1 be it is inverted U-shaped, on the surrounding tegmental wall of upper cover 1 be arranged bar shaped groove 13, be provided with bar shaped on cabinet 1
Protrusion 9, protrusion 9 match with groove 13, is arranged on the inside of upper cover 2 and buffers heat insulating mattress.It is stored in computer storage groove 3 and projector
The bottom of slot 4 is respectively provided with buffering heat insulating mattress 12, and it is heat-insulated to be respectively provided with buffering in the side wall of computer storage groove 3 and projector storage groove 4
Pad.
The cabinet 1 is rectangle, and computer storage groove 3 therein, projector storage groove 4, cable storage groove 5 are one
Column, projection cloth storage groove 6 are a column.One end of cabinet 1 is provided with the handle 7 for pulling cabinet 1.Handle 7 is arranged remote
One end from articulated shaft 15, alarm lamp 11 are fixed on the lower section of handle 7.
Travel switch 14 is set at upper cover and cabinet closure, and travel switch is identified with K in circuit, and alarm lamp 11 is in electricity
The cathode of Lu Zhongyong L mark, first diode D1 is connect by travel switch with power cathode, and first diode D1 is just
Pole is connect by first resistor R1 with positive pole, and the anode of first diode D1 connects with the cathode of second diode D2
It connects, the anode of second diode D2 is connect with power cathode, and the anode of first diode D1 is with third diode D3's
Anode connection, the cathode of third diode D3 are connect with the base stage of first triode VT1, the base of first triode VT1
Pole is connect by capacitor C1 with power cathode, and the emitter of first triode VT1 is connect with power cathode, first triode
The collector of VT1 is connect by second resistance R2 with positive pole, the collector and second triode of first triode VT1
The base stage of VT2 connects, and the base stage of first triode VT1 is connected by the collector of 3rd resistor R3 and second triode VT2
It connects, the collector of second triode VT2 is connect by the 4th resistance R4 with positive pole, the transmitting of second triode VT2
Pole is connect with power cathode, and the collector of second triode VT2 passes through the base stage of the 5th resistance R5 and third triode VT3
Connection, the emitter and power cathode of third triode VT3 are grounded, and the collector of third triode VT3 passes through alarm B
It is connect with positive pole, has alarm lamp L in parallel with alarm B.
Claims (6)
1. a kind of carrying case for multimedia teaching, the cabinet (1) including having upper cover (2), upper cover (2) and cabinet (1) are logical
It crosses articulated shaft (15) hingedly, it is characterized in that: multiple scroll wheels (10) are arranged in the bottom of cabinet (1), is arranged in one end of cabinet (1)
For storing the computer storage groove (3) of computer, the opening upwards of computer storage groove (3) are used in the other end setting of cabinet (1)
The projector storage groove (4) of projector is stored, projector storage groove (4) opening upwards are deposited in computer storage groove (3) and projector
Setting cable storage groove (5) between slot (4) is put, cable storage groove (5) opening upwards are arranged in the side of cabinet (1) for depositing
The projection cloth storage groove (6) of projection cloth is put, projection cloth storage groove (6) opening upwards are stored in computer storage groove (3) and projector
Elastic reducing-fixing band (8) are provided at the top of slot (4).
2. the carrying case according to claim 1 for multimedia teaching, it is characterized in that: in computer storage groove (3) and throwing
The bottom of shadow instrument storage groove (4) is respectively provided with buffering heat insulating mattress, equal in the side wall of computer storage groove (3) and projector storage groove (4)
Setting buffering heat insulating mattress.
3. the carrying case according to claim 1 or 2 for multimedia teaching, it is characterized in that: the cabinet (1) is length
Rectangular, computer storage groove (3) therein, projector storage groove (4), cable storage groove (5) are a column, projection cloth storage groove (6)
For a column.
4. the carrying case according to claim 1 for multimedia teaching, it is characterized in that: the upper cover (2) is U
The groove (13) of bar shaped is arranged on the surrounding tegmental wall of upper cover (2), the protrusion (9) of bar shaped is provided on cabinet (1) for shape, convex
It plays (9) to match with groove (13), setting buffering heat insulating mattress (12) on the inside of upper cover (2).
5. the carrying case according to claim 4 for multimedia teaching, it is characterized in that: being closed in upper cover (2) and cabinet (1)
Travel switch (14) are set at conjunction, the cathode of first diode D1 is connect by travel switch with power cathode, and first two
The anode of pole pipe D1 is connect by first resistor R1 with positive pole, the anode and second diode D2 of first diode D1
Cathode connection, the anode of second diode D2 connect with power cathode, the anode and third a two of first diode D1
The anode connection of pole pipe D3, the cathode of third diode D3 are connect with the base stage of first triode VT1, first triode
The base stage of VT1 is connect by capacitor C1 with power cathode, and the emitter of first triode VT1 is connect with power cathode, and first
The collector of a triode VT1 is connect by second resistance R2 with positive pole, the collector and second of first triode VT1
The base stage of a triode VT2 connects, and the base stage of first triode VT1 passes through 3rd resistor R3's and second triode VT2
The collector of collector connection, second triode VT2 is connect by the 4th resistance R4 with positive pole, second triode
The emitter of VT2 is connect with power cathode, and the collector of second triode VT2 passes through the 5th resistance R5 and third triode
The base stage of VT3 connects, and the emitter and power cathode of third triode VT3 is grounded, and the collector of third triode VT3 is logical
It crosses alarm B to connect with positive pole, there is that alarm lamp L is in parallel with alarm B, alarm lamp is fixed on the one of cabinet setting handle
End.
6. the carrying case according to claim 4 for multimedia teaching, it is characterized in that: being arranged in one end of cabinet (1)
Have for pulling the handle of cabinet (1) (7), handle (7) is arranged far from one end of articulated shaft (15), and alarm lamp (11) is fixed on
The lower section of handle (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821136899.XU CN208856084U (en) | 2018-07-18 | 2018-07-18 | A kind of carrying case for multimedia teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821136899.XU CN208856084U (en) | 2018-07-18 | 2018-07-18 | A kind of carrying case for multimedia teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208856084U true CN208856084U (en) | 2019-05-14 |
Family
ID=66412716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821136899.XU Expired - Fee Related CN208856084U (en) | 2018-07-18 | 2018-07-18 | A kind of carrying case for multimedia teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208856084U (en) |
-
2018
- 2018-07-18 CN CN201821136899.XU patent/CN208856084U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190514 Termination date: 20200718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |