CN1962316A - Retractable display apparatus - Google Patents
Retractable display apparatus Download PDFInfo
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- CN1962316A CN1962316A CN 200610143939 CN200610143939A CN1962316A CN 1962316 A CN1962316 A CN 1962316A CN 200610143939 CN200610143939 CN 200610143939 CN 200610143939 A CN200610143939 A CN 200610143939A CN 1962316 A CN1962316 A CN 1962316A
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- main body
- monitor unit
- actuator
- gear
- foldable device
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Abstract
A retractable display apparatus for use in a vehicle includes a main body disposed on a ceiling of the vehicle, a monitor unit rotatably held by the main body, an actuator for generating a driving force, a conversion assembly for perpendicularly converting a transmission direction of the driving force of the actuator, a transmission assembly for driving the monitor unit by transmitting the driving force from the conversion assembly to the monitor unit. The monitor unit is selectively driven to a stored position in a storage space in the main body and an extended position relative to the main body. The actuator is enclosed in the side space of the storage space in the main body. The conversion assembly is enclosed in the side space of the storage space in the main body.
Description
Technical field
Present invention relates in general to a kind of read out instrument that is used for vehicle.
Background technology
In recent years, increasing self-propelled vehicle is equipped with so-called " back seat entertainment systems (RSE) ", so that can watch film, telecast etc. back row's passenger.RSE comprises monitor unit, and it can launch to be used to watch also to be collapsible in the base portion to store.When this monitor unit was installed on the leading portion of vehicle ceiling, it was visual better.Monitor unit launches being in extended position from base portion under the effect of motor (this motor is provided for making monitor unit to center on the propulsive effort that turning cylinder rotates), and is passed to the turning cylinder of monitor unit by train of gears from this propulsive effort of motor.Therefore, the turning cylinder of the axis of motor and monitor unit is arranged to parallel in the leading portion of the base portion of RSE.Japanese patent application document JP-A-2004-237895 and JP-A-2005-014847 disclose the monitor unit folded mechanism in the main body of this system.
But because folded mechanism has the said structure that is associated with monitor unit, the main body of RSE increases along the length of the fore-and-aft direction of vehicle.The result makes that the monitor unit that expansion is in extended position becomes the rear side that is in the fold mechanism in the main body, and then is pushed to the position after leaning on relatively in the vehicle.In addition, be difficult to rearrange the arrangement relation of folded mechanism with respect to monitor unit, parallel because the axis of motor must be arranged to the turning cylinder of monitor unit.
Summary of the invention
In view of above-mentioned and other problems, the invention provides a kind of retractable display apparatus, it is arranged in the leading portion of vehicle.
According to an aspect of the present invention, retractable display apparatus comprises: for example the actuating assembly of motor is used for monitor unit folding and that launch main body; Be used to change transition components from the propulsive effort direction of actuating assembly; With from the transmission component of transition components to the monitor unit transmission of drive force.Actuating assembly and transition components lateral arrangement in main body so that for monitor unit (it will be installed in the forward facing position in the main body) leaving space.By this way, when launching in the space at vehicle, monitor unit has more visuality, and actuating assembly can be contained in the main body effectively.
According to a further aspect in the invention, retractable display apparatus uses worm gear pair to come to the monitor unit transmission of drive force.By this way, the torque of increase is applied on the monitor unit, and then prevents that monitor unit from departing from the position of expectation when vibration of vehicle makes the monitor unit vibration.
According to a further aspect in the invention, retractable display apparatus comprises for example actuating assembly of motor, and its short transverse with respect to main body is arranged in the main body angularly.By this way, can reduce the height of retractable display apparatus.
According to a further aspect in the invention, retractable display apparatus uses the combination of big miniature gears to increase the torque of propulsive effort.In addition, these gears are arranged in the mode of saving the space, and then are made retractable display apparatus have littler black box size by the vertical and horizontal size that reduces main body.
Description of drawings
Above-mentioned and other target, feature and advantage of the present invention become clearer by the following detailed description of doing with reference to accompanying drawing.Wherein:
Fig. 1 has shown the schematic side elevation of the actuating assembly of retractable display apparatus according to an embodiment of the invention;
Fig. 2 has shown the cutaway view of the train of gears in the actuating assembly;
Fig. 3 has shown the amplification view of first gear in the train of gears;
Fig. 4 has shown the block diagram of retractable display apparatus, and wherein monitor unit is stored in the storage area;
Fig. 5 has shown the block diagram of retractable display apparatus, and wherein monitor unit is turned to extended position;
Fig. 6 has shown the birds-eye view of the retractable display apparatus that has part sectional view;
Fig. 7 has shown the block diagram of the locked component of retractable display apparatus;
Fig. 8 has shown the lateral plan of the locked component of retractable display apparatus;
Fig. 9 has shown the block scheme of onboard navigation system of the present invention; And
Figure 10 has shown the diagram of circuit of the shutoff operation process of retractable display apparatus.
The specific embodiment
Below with reference to accompanying drawing embodiments of the invention are described.Similarly parts adopt identical Reference numeral in each embodiment.
Present embodiment discloses the retractable display apparatus as navigationsystem.
Fig. 9 has shown the block scheme of navigationsystem 1.Navigationsystem 1 comprises: position sensor 2, and it has the current location that the gps receiver that is installed in wherein is used for determining based on gps signal vehicle; Map datum input block 3, it is used for obtaining map datum and device data from information mediums such as for example hard disks; Media player 4, it is used for obtaining pictorial data and voice data from DVD-ROM etc.; Preceding monitoring device 5, its passenger by the vehicle front chair watches; With back eye monitor 6, it is watched by the passenger on the seat.Before monitoring device 5 and back eye monitor 6 be used to show travel information, for example road-map, navigation way, equipment and/or be recorded in the image of the entertainment among the DVD-ROM.
Before monitoring device 5 be installed in the instrument carrier panel, and be used to the travel information and/or the image that show that the vehicle driver uses.Back eye monitor 6 is installed on the ceiling of vehicle, and shows the image that is used for back seat entertainment systems (RSE) for the back seat passenger.Preceding monitoring device 5 comprises monitor unit 7 that uses liquid crystal display and the operating unit 8 that is used for input operation.Back eye monitor 6 comprises: use liquid crystal display monitor unit 9, be used for from remote controller 10 received signals receptor 11, be used to open and close monitor unit 9 actuating assembly 12, be used to lock the locked component 13 of monitor unit 9 and the control unit 14 of control actuating assembly 12 and locked component 13 operations.
Position sensor 2, map datum input block 3, media player 4, preceding monitoring device 5 and back eye monitor 6 all link with the control unit 15 of navigationsystem 1, the display operation of these control unit 15 these members of control.Control unit 15 comprises the CPU16 that computing function is provided, and passes through interface (I/F) 17,18,19 from position sensor 2, map datum input block 3 and media player 4 received signals.
Control unit 15 also comprises video-ram (VRAM) 21,22 that is used for the store images data and the image output unit 23,24 that is used for output image signal after the view data of conversion VRAM 21,22.Monitor unit 7,9 in front and back monitoring device 5,6 is based on coming display image from the picture signal of image output unit 23,24.
Control unit 15 also comprises aud. snl. output unit 25, its based on from the control of the travel information of audio system (comprising amplifier/loud speaker etc.) to the conversion of the voice data of travel information and the output of guiding sound.
Control unit 15 in navigationsystem 1 receives various indication inputs from the user and/or 10 theres of the remote controller in the back seat of control operation unit 8 front chair.CPU16 in control unit 15 carries out calculating operation, and shows travel information, road-map, guiding image based on input indication on monitor unit 7,9 and/or be used to set the destination or be used for the Control-Menu that initialization system is provided with.In addition, CPU16 controls the output from the control signal of aud. snl. output unit 25 (it is used to guide guiding sound, setting operation of travel information etc.).
Fig. 6 has shown the retractable display apparatus birds-eye view that has part sectional view.Retractable display apparatus is used as back eye monitor 6 in the present embodiment, and has body 26 and the monitor unit 9 that is contained among the storage area 26a.After receiving the indication of remote controller 10 there from the user, monitor unit 9 opens and closes from storage area 26a, perhaps opens and closes storage area 26a.
Fig. 1 has shown the schematic side elevation of the actuating assembly 12 of back eye monitor 6.Actuating assembly 12 comprises upset actuator 27, worm gear pair 28 and train of gears 29.Upset actuator 27 is arranged on the plane perpendicular to the rotating shaft 9a of monitor unit 9, and angled with the short transverse of the main body 26 of back eye monitor 6.Upset actuator 27 has wrom tooth 28a on its axle, and wrom tooth 28a is meshed with worm gear 28b (it is the part of train of gears 29).By train of gears 29, the rotation of worm gear 28b is transmitted with rotating shaft 9a under the situation about increasing in torque.The material that is used to make worm gear pair 28 and train of gears 29 is that (be polyformaldehyde: POM), it can bear vibration of vehicle to polyacetal.
Upset actuator 27 rotates along normal direction, with the storage location (referring to Fig. 4) of oscillating type ground from storage area 26a monitor unit 9 is promoted to extended position (referring to Fig. 5), and also along backward rotation so that monitor unit 9 is swung back storage location from extended position.CPU16 passes through the position that the position transduser (not shown) is surveyed monitor unit 9, and controls upset actuator 27 based on the detecting location of monitor unit 9.
Fig. 2 has shown the cutaway view of train of gears 29.Train of gears 29 comprises worm gear 28b, first gear, 101 to the 5th gears 105 and monitoring device gear 106.First gear 101 and worm gear 28b form.Along with worm gear 28b rotates, first gear, 101 to the 5th gears 105 and monitoring device gear 106 rotate.The result makes, the monitor unit 9 that is combined with monitoring device gear 106 is according to the rotation of worm gear 28b and rotate front and back.
In first gear, 101 to the 4th gears 104 each is the combination of two horizontal gears.Two horizontal gears in the middle of in first gear, 101 to the 4th gears 104 each have different diameters respectively, and promptly big or small gear combination gets up to form each in four gears.First gear, 101 to the 4th gears 104 are engaged with each other in the mode that connects from small to large successively.That is to say that the miniature gears of first gear 101 drives the big gear wheel of second gear 102, and the miniature gears of second gear 102 drives the big gear wheel of the 3rd gear 103.By this way, the rotating torque of upset actuator 27 generations is exaggerated to drive monitoring device gear 106.
First gear 101 in train of gears 29 is combinations of two gears, promptly comprises the first clutch gear 111 and the second clutch gear 112 that comprises horizontal gear 112a (it is as miniature gears) of worm gear 28b (it is as big gear wheel).Second gear, 102 to the 4th gears 104 comprise big gear wheel 102a to 104a and miniature gears 102b to 104b respectively.The 5th gear 105 is horizontal gears.
First gear, 101 to the 3rd gears 103 in train of gears 29 vertically are arranged to the mode of interlocking along vehicle, that is to say that big or small gear meshing alternately occurs successively.Therefore, actuating assembly 12 size on horizontal and vertical reduces.
First gear 101 has the clutch mechanism of installing as shown in Figure 3.Clutch mechanism in Fig. 3 shown in the cutaway view has clutch spindle 107, this clutch spindle 107 at one end has flange 107a, and is keeping E type circle 108, clutch washer 109, clutch plate 110, first clutch gear 111 and second clutch gear 112 successively.Second clutch gear 112 is the cylindrical shells that at one end have the end.The opening 112b of the cylindrical shell in the outer periderm second clutch gear 112 of the flange 107a of clutch spindle 107 supports.The outside face of first clutch gear 111 has the worm gear 28b of worm gear pair 28.The outside face of second clutch gear 112 has horizontal gear 112a.First clutch gear 111 is limited by clutch plate 110 and second clutch gear 112, and one deck felt is clipped between the two.Second clutch gear 112 push by spring (it is squeezed between the flange 107a of the interior end of cylindrical shell of second clutch gear 112 and clutch spindle 107) and be attached on the first clutch gear 111.By this way, the friction of scheduled volume is applied on the first clutch gear 111 by clutch plate 110 and second clutch gear 112.
When being reversed actuator 27 (it is meshed with wrom tooth 28a) driving along with first clutch gear 111 (being worm gear 28b), the clutch mechanism in aforesaid first gear 101 is used to rotate second clutch gear 112.When the load on acting on second clutch gear 112 was light, first clutch gear 111 and second clutch gear 112 rotated together.When heavier loading during in second clutch gear 112, second clutch gear 112 slides on first clutch gear 111.By this way, when thrust during, can allow monitor unit 9 to rotate forward, thereby protection actuating assembly 12 is avoided damaging from extended position at monitor unit 9.Similarly, for example when in monitor unit 9 is being closed to the process of storage area 26a, in the gap, keeping object under the propulsive effort effect of upset actuator 27, also protected actuating assembly 12.
Actuating assembly 12 with above-mentioned advantage combines with upset actuator 27 and opens and closes monitor unit 9.In the present embodiment, actuating assembly 12 is effectively in the lateral space of storage area 26a.
Fig. 7 has shown the block diagram of the locked component of retractable display apparatus.Locked component 13 comprises lock actuator 30, worm gear pair 31, train of gears 32 and locking cam 33.Lock actuator 30 is arranged to be parallel to the lateral shaft of main body 26.Lock actuator 30 has wrom tooth 31a on its axle, and wrom tooth 31a and the worm gear 31b engagement that is arranged on the main body 26, to be used as worm gear pair 31.The rotation of worm gear 31b is passed to locking cam 33 by locked component 13, so that torque increases.Locking cam 33 has gear on its outer surface, and the gear on the locking cam 33 is meshed with last gear of train of gears 32.By this way, lock actuator 30 drives locking cam 33, and locking cam 33 is keeping monitor unit 9.More particularly, the lock finger 33a on locking cam 33 1 ends engages with recessed shape lock hole 34 on the monitor unit 9.That is to say, when monitor unit 9 is arranged in storage area 26a, as shown in Figure 8, engage with lock hole 34, the rotation of locking cam 33 is fastening monitor unit 9 by making lock finger 33a.The material that is used to make worm gear pair 31, train of gears 32 and locking cam 33 is that (be polyformaldehyde: POM), it can bear vibration of vehicle to polyacetal.
By driving locking cam 33 to unlocked position from latched position, lock actuator 30 is rotated so that lock finger 33a is discharged from lock hole 34 along normal direction, and lock actuator 30 can make along backward rotation and comes lock finger 33a by lock hole 34.Control unit 14 utilizes the position transduser (not shown) to survey and the position of definite locking cam 33.
The peripheral adjacent position of the lock hole 34 of main body 26 in monitor unit 9 has elastomeric element 35.More particularly, elastomeric element is arranged in the main body 26, and its head protrudes is come out.Elastomeric element 35 is made by elastic body, and the material of elastomeric element 35 should carefully select, to avoid and to be used to form the resin interference of main body 26 and monitor unit 9.
By above-mentioned mode with advantage, locked component 13 is used for monitor unit 9 is locked in storage area 26a.
The operation of retractable display apparatus is below described.
Receive remote controller 10 close indication after, control unit 14 carries out the shutoff operation of monitor unit 9.Cut off when shutoff operation in the configuration settings is associated at driving engine, after detecting the vehicle motor cut-out, control unit 14 also carries out shutoff operation.
Figure 10 has shown the diagram of circuit of the shutoff operation of retractable display apparatus, that is to say the shutoff operation of the monitor unit 9 in the back eye monitor of being controlled by control unit 14 6.Control unit 14 is also controlled the opening operation of monitor unit 9.The description of omitting opening operation for the brief purpose of explaining is because its sequence of steps with shutoff operation is opposite.As shown in Figure 5, in the beginning of shutoff operation process, the monitor unit 9 of back eye monitor 6 is thus lifted to extended position.
At step S1, the program in the control unit 14 begins backward rotation upset actuator 27.According to rotation, monitor unit 9 is driven from extended position and turns to storage location.
At step S2, this program determines by the use location sensor whether monitor unit 9 turns to storage location.That is to say that when monitor unit 9 turned to storage location (step S2:YES), position transduser was opened.
At step S3, this program has stopped the rotation of upset actuator 27.Monitor unit 9 stops operating in storage area 26a.
In step S4, the program in control unit 14 begins backward rotation lock actuator 30.The rotation of locking cam 33 locked actuators 30 drives, and along with locking cam 33 turns to latched position from unlocked position, the lock hole 34 in the lock finger 33a extruding monitor unit 9 in locking cam 33.
At step S5, this program determines by the use location sensor whether locking cam 33 turns to latched position.That is to say that when locking cam 33 turned to latched position, position transduser was opened.
At step S6, this program has stopped the backward rotation of lock actuator 30.
In the above described manner, monitor unit 9 is arranged in storage area 26a, and the peripheral locked cam 33 and the elastomeric element 35 of monitor unit 9 keep.
In this embodiment, by being arranged in the lateral space of storage area 26a, can realize monitor unit 9 is installed in the front end of main body 26 of back eye monitor 6 with the clamshell of effective means more with actuating assembly 12.Therefore, compare, can improve the visuality of monitor unit 9 with the traditional back eye monitor that has actuating assembly 12 in body front end.
In addition, worm gear pair 28 is used for and the actuator 27 combined monitor units 9 that drive that overturn.Therefore, can guarantee monitor unit 9 is firmly remained on extended position, and can prevent owing to the Vehicular vibration that is applied on the monitor unit 9 makes monitor unit 9 depart from out extended position.
And actuating assembly 12 has used the train of gears of arranging in the conserve space mode 29, and then guarantees that back eye monitor 6 reduces in horizontal and vertical black box size.
In addition, upset actuator 27 is arranged to the short transverse of main body 26 angled, thereby makes back eye monitor 6 in the black box size that has minimizing aspect the height of main body 26.
Although the present invention has carried out describing all sidedly with reference to exemplary preferred embodiments and reference drawings, various changes and modifications are conspicuous for one of ordinary skill in the art.
For example, can transmit the rotation of upset actuator 27 by using cone gear.
In addition, actuating assembly 12 can be contained in the both sides of the storage area 26a in the main body 26.
In addition, can be different devices by the monitor unit 9 that actuating assembly 12 launched and folded.For example, utilize the actuating mechanism of arranging in the above described manner, replace monitor unit 9 and can be that lighting unit is folding and be opened to main body 26 or folding and open from main body 26.
Above-mentioned variation and correction will be to understand easily, and all in the scope of the invention that claims limited.
Claims (7)
1. a Foldable device (6), it comprises:
Main body (26), it is arranged on the surface of external structure;
Functional unit (9), it is kept by main body (26) rotationally, wherein functional unit (9) selectively be driven in the storage area (26a) of main body (26) storage location and with respect to the extended position of main body (26);
Actuator (27), it is used to produce propulsive effort, and wherein actuator (27) is encapsulated in the lateral space of storage area (26a) of main body (26);
Transition components (28), it is used for the direction of transfer of the propulsive effort of conversion braking device (27) generally perpendicularly, and wherein transition components (28) is encapsulated in the lateral space of storage area (26a) of main body (26); And,
Transmission component (12), it is by driving functional unit (9) from transition components (28) to functional unit (9) transmission of drive force.
2. Foldable device as claimed in claim 1 (6), wherein:
Described transition components (28) is a worm gear pair.
3. Foldable device as claimed in claim 1 or 2 (6), wherein:
The described actuator (27) that is arranged in the main body (26) is angled with respect to the short transverse of main body (26).
4. Foldable device as claimed in claim 1 or 2 (6), wherein:
Described transmission component (12) comprises a series of coaxial bidentate wheel (102,103,104),
The coaxial bidentate wheel of wherein each (102,103,104) comprises two gears that are arranged in parallel and have the diameter that differs from one another, and
Miniature gears (102b in one of them coaxial bidentate wheel, 103b, 104b) with along the big gear wheel (102a in another coaxial bidentate wheel of the described a series of coaxial bidentate wheel of vertically arranging with interlace mode of main body (26), 103a, 104a) be meshed, in transmission process, to increase the torque of propulsive effort.
5. Foldable device as claimed in claim 4 (6), wherein:
The described actuator (27) that is arranged in the main body (26) is angled with respect to the short transverse of main body (26).
6. Foldable device as claimed in claim 1 (6), wherein:
The surface of described external structure is the ceiling of vehicle.
7. Foldable device as claimed in claim 1 (6), wherein:
Described functional unit (9) is the read out instrument that is used for display image.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005323548 | 2005-11-08 | ||
| JP323548/2005 | 2005-11-08 | ||
| JP204671/2006 | 2006-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1962316A true CN1962316A (en) | 2007-05-16 |
Family
ID=38081602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610143939 Pending CN1962316A (en) | 2005-11-08 | 2006-11-07 | Retractable display apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1962316A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011057495A1 (en) * | 2009-11-16 | 2011-05-19 | 青岛四方车辆研究所有限公司 | Onboard tv for railway vehicle |
| CN103562983A (en) * | 2011-06-23 | 2014-02-05 | 松下电器产业株式会社 | Display retaining mechanism and opening and closing type display device |
| CN111152733A (en) * | 2018-11-07 | 2020-05-15 | 现代摩比斯株式会社 | Head-up display for vehicle and control method thereof |
-
2006
- 2006-11-07 CN CN 200610143939 patent/CN1962316A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011057495A1 (en) * | 2009-11-16 | 2011-05-19 | 青岛四方车辆研究所有限公司 | Onboard tv for railway vehicle |
| CN103562983A (en) * | 2011-06-23 | 2014-02-05 | 松下电器产业株式会社 | Display retaining mechanism and opening and closing type display device |
| CN103562983B (en) * | 2011-06-23 | 2015-11-25 | 松下知识产权经营株式会社 | Display maintaining body and openable display device |
| CN111152733A (en) * | 2018-11-07 | 2020-05-15 | 现代摩比斯株式会社 | Head-up display for vehicle and control method thereof |
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Open date: 20070516 |