CN208369761U - Multi-media classroom projector apparatus - Google Patents
Multi-media classroom projector apparatus Download PDFInfo
- Publication number
- CN208369761U CN208369761U CN201821210717.9U CN201821210717U CN208369761U CN 208369761 U CN208369761 U CN 208369761U CN 201821210717 U CN201821210717 U CN 201821210717U CN 208369761 U CN208369761 U CN 208369761U
- Authority
- CN
- China
- Prior art keywords
- projector
- guard housing
- connection
- media classroom
- telescopic shaft
- 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 kind of multi-media classroom projector apparatus, belong to multimedia teaching facility technical field, including wall top and ceiling board, connection has connecting column between wall top and ceiling board, the lower section connection of wall top has lifting motor, connecting column, which is located between the left and right sides of lifting motor and two connecting columns, is equipped with gusset piece, the lower section connection of lifting motor has push rod, the lower section connection of push rod has telescopic shaft, the upper end of telescopic shaft passes through gusset piece and couples push rod, the lower end connection of telescopic shaft has anti-guard housing, projector is equipped in anti-guard housing, the front of anti-guard housing is equipped with opening, the projection position face of projector, which is open, places, heat dissipation grid is equipped between anti-guard housing and projector, the two sides of heat dissipation grid are equipped with radiator fan, temperature sensor is equipped at the position that anti-guard housing is contacted with projector, the side of anti-guard housing is equipped with controller, it can be realized The lifting of projector is provided simultaneously with good heat dissipation effect, solves the problem in the prior art.
Description
Technical field
The utility model relates to a kind of multi-media classroom projector apparatus, belong to multimedia teaching facility technical field.
Background technique
Traditional classroom is gradually substituted by multi-media classroom with the development of science and technology, such as in English course teaching
It needs to carry out by multi-media classroom, has projector apparatus in multi-media classroom, existing projector apparatus is directly to join
It connects on the wall or is placed on dais, can not achieve lifting, and projector is when in use, be easy to produce more heat, heat
Amount does not distribute not Chu Lai the damage that will cause projector.
Utility model content
The purpose of this utility model is to provide a kind of multi-media classroom projector apparatus, can be realized the liter of projector
Drop, is provided simultaneously with good heat dissipation effect, solves the problem in the prior art.
Multi-media classroom projector apparatus described in the utility model, including wall top and ceiling board, wall top and ceiling board it
Between connection have a connecting column, the lower section connection of wall top has lifting motor, and connecting column is located at the left and right sides of lifting motor and two join
Connect and be equipped with gusset piece between column, the lower section connection of lifting motor has a push rod, and the lower section connection of push rod has a telescopic shaft, telescopic shaft it is upper
Side's connection has bearing, and the upper end of telescopic shaft passes through gusset piece and couples push rod, and the lower end connection of telescopic shaft has anti-guard housing, and ceiling board is just
Gap is placed to being equipped at the position of anti-guard housing, projector is equipped in anti-guard housing, the front of anti-guard housing is equipped with opening, projector
It projects position face opening to place, heat dissipation grid is equipped between anti-guard housing and projector, the two sides of heat dissipation grid are equipped with radiation air
It fans, temperature sensor is equipped at the position that anti-guard housing is contacted with projector, the side of anti-guard housing is equipped with controller, controller connection
Lifting motor, projector, temperature sensor and radiator fan.
When work, the present apparatus is mounted at the position of wall top, after being installed, controller can be by the prior art
Wireless transport module connects remote controler, is controlled by remote controler, and when lifting, lifting motor operating drives push rod to push down on
Out, so that projector falls, the stopping when falling to push rod maximum stroke, projector is started to work at this time；When work, temperature
Temperature value below sensor real-time detection projector, is acquired by controller, the threshold value of set temperature in controller, when
Controller driving radiator fan operating, realizes the heat dissipation of projector when more than threshold value；After the completion of projector work, lifting motor is driven
Dynamic push rod is upwards collected through, and anti-guard housing is upwards collected through together with projector, be may pass through and is placed the top that gap bounces back to ceiling board.
The telescopic shaft, which is pierced by the position above gusset piece, is equipped with fastener；Realize that push rod and the effective of telescopic shaft are consolidated
It is fixed, it avoids shaking.
The projector includes projector shell, and the outside of projector shell is equipped with operation button and projection lens, throws
The top of shadow instrument shell is equipped with several cooling fins；Cooling fin can effectively realize the heat dissipation on projector top.
The top of the anti-guard housing is equipped with relay, and controller connects projector by relay；Realize projector
It opens and closes.
The anti-guard housing includes the upper surface of be parallel to each other plate and bottom plate, and side plate, projection are equipped between top panel and bottom plate
Instrument is located at the top of bottom plate, and the inside of side plate is arranged in controller.
The top of the anti-guard housing is equipped with emergency light；Emergency light is self-powered to be opened when can have a power failure in classroom
It opens.
The controller uses 89S52 type single-chip microcontroller, and temperature sensor is DS18B20 type temperature sensor.
The utility model compared with prior art, has the following beneficial effects:
Multi-media classroom projector apparatus described in the utility model can be realized the lifting of projector, projector connection
Lifting device is arranged in the wall top of multi-media classroom, and between wall top and ceiling board may be implemented the lifting of projector, projection
Instrument can bounce back at the position above ceiling board when not in use, not exposed to be provided simultaneously with good heat dissipation effect in lower section, throw
Thermal component is respectively provided with above and below shadow instrument, it is ensured that good heat dissipation effect solves the problem in the prior art.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the structural schematic diagram of projector in the utility model embodiment；
Fig. 3 is the circuit connection block diagram of controller in the utility model embodiment；
In figure: 1, wall top；2, push rod；3, connecting column；4, fastener；5, bearing；6, telescopic shaft；7, gap is placed；8, after
Electric appliance；9, emergency light；10, projector；11, radiator fan；12, heat dissipation grid；13, controller；14, anti-guard housing；15, it hangs
Top plate；16, gusset piece；17, lifting motor；18, cooling fin；19, operation button；20, projection lens.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples:
Embodiment 1:
As shown in Figure 1-3, multi-media classroom projector apparatus described in the utility model, including wall top 1 and ceiling board 15,
Connection has connecting column 3 between wall top 1 and ceiling board 15, and the lower section connection of wall top 1 has lifting motor 17, and connecting column 3 is located at lifting
Gusset piece 16 is equipped between the left and right sides of motor 17 and two connecting columns 3, the lower section connection of lifting motor 17 has push rod 2, pushes away
The lower section connection of bar 2 has telescopic shaft 6, and the top connection of telescopic shaft 6 has bearing 5, and the upper end of telescopic shaft 6 couples across gusset piece 16
Push rod 2, the lower end connection of telescopic shaft 6 have anti-guard housing 14, are equipped at the position of the anti-guard housing 14 of 15 face of ceiling board and place gap 7,
Projector 10 is equipped in anti-guard housing 14, the front of anti-guard housing 14 is equipped with opening, and the projection position face of projector 10, which is open, places,
Heat dissipation grid 12 is equipped between anti-guard housing 14 and projector 10, the two sides of heat dissipation grid 12 are equipped with radiator fan 11, anti-guard housing 14
Temperature sensor is equipped at the position contacted with projector 10, the side of anti-guard housing 14 is equipped with controller 13, and controller 13 connects
Lifting motor 17, projector 10, temperature sensor and radiator fan 11.
In order to further illustrate above-described embodiment, telescopic shaft 6 is pierced by the position of 16 top of gusset piece and is equipped with fastener 4.
In order to further illustrate above-described embodiment, projector 10 includes projector shell, and the outside of projector shell is equipped with
The top of operation button 19 and projection lens 20, projector shell is equipped with several cooling fins 18.
In order to further illustrate above-described embodiment, the top of anti-guard housing 14 is equipped with relay 8, and controller 13 passes through relay
8 connection projectors 10.
In order to further illustrate above-described embodiment, anti-guard housing 14 includes the upper surface of be parallel to each other plate and bottom plate, top panel and
Side plate is equipped between bottom plate, projector 10 is located at the top of bottom plate, and the inside of side plate is arranged in controller 13.
In order to further illustrate above-described embodiment, the top of anti-guard housing 14 is equipped with emergency light 9.
In order to further illustrate above-described embodiment, controller 13 uses 89S52 type single-chip microcontroller, and temperature sensor is
DS18B20 type temperature sensor.
The working principle of the present embodiment are as follows: when work, the present apparatus is mounted at the position of wall top 1, after being installed, control
Device 13 processed can connect remote controler by wireless transport module in the prior art, and operation can also be arranged on the wall in classroom and press
Key, controller 13 connect lifting motor 17 by serial ports, provide operation letter to controller 13 by remote controler or operation button
Number, when lifting, lifting motor 17 is operated, and push rod 2 is driven to release downwards, and telescopic shaft 6 passes through gusset piece 16 and moves downward, to throw
Shadow instrument 10 falls, the stopping when falling to 2 maximum stroke of push rod, and projector 10 is started to work at this time；When work, temperature sensing
The temperature value of 10 lower section of device real-time detection projector, is acquired, the threshold value of set temperature in controller 13 by controller 13,
Controller 13 drives radiator fan 11 to operate when a threshold is exceeded, realizes the heat dissipation of projector 10；After the completion of projector 10 works,
Signal is transmitted to controller 13 by remote controler or operation button, 17 driving push rod 2 of lifting motor is upwards collected through, anti-guard housing 14
It is upwards collected through together with projector 10, may pass through and place the top that gap 7 bounces back to ceiling board 15；Whole process only needs wall top 1
Certain pressure is born, pressure will not be generated to ceiling board 15, and ceiling board 15 passes through 3 fixation of connecting column, safe and intelligent.
Using the multi-media classroom projector apparatus of the embodiments of the present invention being described in conjunction with the accompanying above, Neng Goushi
The lifting of existing projector, is provided simultaneously with good heat dissipation effect, solves the problem in the prior art.But the utility model
It is not limited to described embodiment, these are to embodiment in the case where not departing from the principles of the present invention and spirit
Variation, modification, replacement and the deformation of progress are still fallen in the protection scope of the utility model.
Claims (7)
1. a kind of multi-media classroom projector apparatus, including wall top (1) and ceiling board (15), wall top (1) and ceiling board (15) it
Between connection have connecting column (3), it is characterised in that: the connection of the lower section of the wall top (1) has lifting motor (17), connecting column (3)
Gusset piece (16) are equipped between the left and right sides and two connecting columns (3) of lifting motor (17), under lifting motor (17)
Side's connection has push rod (2), and the lower section connection of push rod (2) has telescopic shaft (6), and the top connection of telescopic shaft (6) has bearing (5), stretches
The upper end of contracting axis (6) passes through gusset piece (16) connection push rod (2), and the lower end connection of telescopic shaft (6) has anti-guard housing (14), ceiling board
(15) it is equipped at the position of the anti-guard housing of face (14) and places gap (7), be equipped with projector (10) in anti-guard housing (14), anti-guard housing
(14) front is equipped with opening, and the projection position face of projector (10), which is open, places, anti-guard housing (14) and projector (10) it
Between be equipped with heat dissipation grid (12), the two sides of heat dissipation grid (12) are equipped with radiator fan (11), anti-guard housing (14) and projector (10)
Temperature sensor is equipped at the position of contact, the side of anti-guard housing (14) is equipped with controller (13), controller (13) connection lifting
Motor (17), projector (10), temperature sensor and radiator fan (11).
2. multi-media classroom projector apparatus according to claim 1, it is characterised in that: the telescopic shaft (6) is pierced by
Fastener (4) are equipped at position above gusset piece (16).
3. multi-media classroom projector apparatus according to claim 1, it is characterised in that: the projector (10) includes
Projector shell, the outside of projector shell are equipped with operation button (19) and projection lens (20), set above projector shell
There are several cooling fins (18).
4. multi-media classroom projector apparatus according to claim 1, it is characterised in that: the anti-guard housing (14) it is upper
Side is equipped with relay (8), and controller (13) passes through relay (8) connection projector (10).
5. multi-media classroom projector apparatus according to claim 1, it is characterised in that: the anti-guard housing (14) includes
The upper surface of be parallel to each other plate and bottom plate, and side plate is equipped between top panel and bottom plate, and projector (10) is located at the top of bottom plate, control
The inside of side plate is arranged in device (13).
6. multi-media classroom projector apparatus according to claim 1, it is characterised in that: the anti-guard housing (14) it is upper
Side is equipped with emergency light (9).
7. multi-media classroom projector apparatus according to claim 1, it is characterised in that: the controller (13) uses
89S52 type single-chip microcontroller, temperature sensor are DS18B20 type temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821210717.9U CN208369761U (en) | 2018-07-27 | 2018-07-27 | Multi-media classroom projector apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821210717.9U CN208369761U (en) | 2018-07-27 | 2018-07-27 | Multi-media classroom projector apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208369761U true CN208369761U (en) | 2019-01-11 |
Family
ID=64923805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821210717.9U Expired - Fee Related CN208369761U (en) | 2018-07-27 | 2018-07-27 | Multi-media classroom projector apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208369761U (en) |
-
2018
- 2018-07-27 CN CN201821210717.9U patent/CN208369761U/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: 20190111 Termination date: 20190727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |