CN201114449Y - Vehicular digital TV demonstration device - Google Patents
Vehicular digital TV demonstration device Download PDFInfo
- Publication number
- CN201114449Y CN201114449Y CNU2007201718274U CN200720171827U CN201114449Y CN 201114449 Y CN201114449 Y CN 201114449Y CN U2007201718274 U CNU2007201718274 U CN U2007201718274U CN 200720171827 U CN200720171827 U CN 200720171827U CN 201114449 Y CN201114449 Y CN 201114449Y
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- main frame
- demonstrating
- display
- digital television
- power supply
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- Expired - Fee Related
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Abstract
The utility model discloses a carborne digital TV demonstration device which comprises an upper box and a lower box which can be mutually buckled. A receiving host, an antenna and a power module are arranged in the lower box and a display and a loudhailer are arranged in the upper box; wherein, the antenna is connected with the input end of the receiving host of which the output end is connected with the display and the loudhailer respectively; the output end of the power module is respectively connected with and supplies power to the display and the receiving host. The carborne digital TV demonstration device is convenient to carry, has good demonstration effect and high working efficiency and can do spot test and field failure detection.
Description
Technical field
The utility model belongs to ground mobile wireless digital tv technical field, relates to a kind of vehicle-mounted digital television apparatus for demonstrating.
Background technology
At present, the product of in-car TV is based on market and research and development, test, the after-sale service demand, regular ground need take product to other places or demonstrate outside the venue, because it is many that the in-car TV product relates to module, comprise the vehicle-mounted digital television receiving system, power supply adaptor, power transfer module, Switching Power Supply, station reporting instrument, reception antenna, LCD, loud speaker or the like, operating personnel carry module and go the client is demonstrated, very inconvenient, need field connection to install, on-the-spot acting hurriedly in a messy situation easily caused error, inefficiency, and put very messyly between the presentation process module, influenced the image of company and product brand.
The utility model content
Problem to be solved in the utility model provides the vehicle-mounted digital television apparatus for demonstrating of a kind of easy to carry, good demonstration effect, high efficiency.
The problem that the utility model further will solve provides a kind of vehicle-mounted digital television apparatus for demonstrating that can carry out on-the-spot test, field failure investigation.
The utility model solves the problems referred to above by the following technical solutions: a kind of vehicle-mounted digital television apparatus for demonstrating, comprise the upper and lower casing that can fasten mutually, in lower box, be provided with and receive main frame, antenna, power module, be provided with display, loud speaker in the upper box, wherein, antenna is connected the input that receives main frame, and the output that receives main frame connects display, loud speaker respectively, the output of power module is connected with display, reception main frame respectively, for the two provides power supply.
Receive main frame and be provided with 1.
Be provided with the reception main frame of 2～3 parallel connections in the lower box, each main frame connects power module respectively, and their output all connects the audio frequency and video handover module, audio frequency and video handover module connection display.
Described power module is made up of power supply adaptor, power transfer module, low-voltage DC input connecting line, wherein power supply adaptor, low-voltage DC input connecting line are connected with the reception main frame respectively, and power supply adaptor, low-voltage DC input connecting line also are connected with display by power transfer module.
Also be provided with station reporting instrument in the lower box, station reporting instrument is connected with the power transfer module output, and the station reporting instrument output is connected with the loud speaker of calling out the stops.
Described power module is a storage battery, and accumulator output end is connected with reception main frame, display respectively.
Described power module comprises power supply adaptor, low-voltage DC input connecting line, and wherein power supply adaptor, low-voltage DC input connecting line all are connected with reception main frame, display respectively.
Power supply adaptor, low-voltage DC input connecting line all are connected with reception main frame, display respectively by transfer switch.
Lower box is equipped with castor, pull bar outward.
The a whole set of module of Digital Television that the disclosed demo system of the utility model is integrated, all be integrated in the casing, directly energized just can be accepted terrestrial DTV, demonstration company product, reach integrated function, this demo system solves effectively and carries and on-the-spot demonstration wiring problem, and high efficiency is promoted in earlier stage for the enterprise market and to be brought good effect.This apparatus for demonstrating can also carry out the fault investigation to mounted vehicle-mounted digital television device, can pass through this apparatus for demonstrating for breaking down between the whole digital television module, adopting module exchange method to carry out failure diagnosis gets rid of, thereby avoided already installed in-car TV module is disassembled, improved operating efficiency.This apparatus for demonstrating can also be tested, test comprises front end signal test and company's this machine of product performance test, test mainly is the test to digital TV emissioning signal coverage condition to front end signal, relate to diagnosis to the signal power, to determining of signal blind compensating, this device just can be tested after can being carried to the objective wiring by the tester; Another kind is the performance test to product itself, mainly be at unlike signal, the test that different signal coverage varies is carried out properties of product, this test can be used to verify the performance of product own, for the further improvement of enterprise product performance provides detailed data, support technological progress in enterprises.
Description of drawings
Fig. 1 is embodiment 1 structural representation of the present utility model;
Fig. 2 is the connection line block diagram of embodiment 1;
Fig. 3 is the structural representation of embodiment 2;
Fig. 4 is the connection line block diagram of embodiment 2.
Embodiment
Embodiment 1, be to be used for vehicle-mounted digital television apparatus for demonstrating on the bus as shown in Figure 1, 2, comprise upper and lower casing 7-1, the 7-2 that can fasten mutually, in lower box 7-2, be provided with and receive main frame 6, antenna 3, power module 4, station reporting instrument 5, be provided with display 2, loud speaker 1 in the upper box 7-1, wherein, antenna 3 is connected the input that receives main frame 6, and the output that receives main frame 6 connects display 2, loud speaker 1 respectively; Described power module 4 is made up of power transfer module, 24V power supply input connecting line that～220V changes 24V power supply adaptor, 24V and change 12V, wherein～220V changes the 24V power supply adaptor, 24V power supply input connecting line all is connected with reception main frame 6 respectively,～220V changes the 24V power supply adaptor, 24V power supply input connecting line also changes the 12V power transfer module by 24V and is connected with display 2, station reporting instrument 5 respectively, station reporting instrument 5 outputs are connected with the loud speaker 8 of calling out the stops, lower box 7-2 is equipped with castor 9, pull bar 10 outward, and the handled easily personnel carry and move this apparatus for demonstrating.When external power source is applicable to alternating-current power supply, general～220V changes 24V power supply adaptor connection alternating current and gets final product on-the-spot demonstration, when on bus, can utilize that 24V power supply on the bus is demonstrated, test, fault investigation, the 24V power output interface that 24V power supply input connecting line is inserted bus gets final product.
The power module 4 that another kind of execution mode is this apparatus for demonstrating directly is set to storage battery, and storage battery 4 outputs are connected with reception main frame 6, display 2 respectively, is to receive main frame 6 and display 2 power supplies.
If vehicle-mounted digital television breaks down, can carry out failure diagnosis by the modes such as main frame exchange, display exchange or antenna call of this apparatus for demonstrating and this vehicle-mounted digital television and get rid of, thereby avoid already installed module on the bus is disassembled.
Embodiment 2, as Fig. 3, it shown in 4 vehicle-mounted digital television apparatus for demonstrating on the car, this apparatus for demonstrating comprise can fasten mutually on, lower box 7-1,7-2, in lower box 7-2, be provided with and receive main frame 6-1,6-2, antenna 3, power module 4, wherein, receive main frame 6-1,6-2 is for being arranged in parallel 2 reception main frames, two reception main frame 6-1,6-2 can be different model, be used to demonstrate the energy of the reception main frame of enterprise's different model, two reception main frame 6-1,6-2 can also be a same model, one of them is standby reception main frame, be provided with display 2 in the upper box 7-1, loud speaker 1, wherein, antenna 3 is connected and receives main frame 6-1, the input of 6-2, two reception main frame 6-1, the output of 6-2 all passes through the audio frequency and video handover module and connects display 2 and loud speaker 1, described power module comprises～220V commentaries on classics 12V power supply adaptor, 12V power supply input connecting line, wherein～220V commentaries on classics 12V power supply adaptor, 12V power supply input connecting line receives main frame 6-1 with each respectively by the two-way power change-over switch, 6-2 connects, lower box 7-2 is equipped with castor 9 and pull bar 10 outward, and the handled easily personnel carry and move this apparatus for demonstrating.When in the place that AC power is arranged, general～220V changes 12V power supply adaptor connection alternating current and gets final product on-the-spot demonstration, when on car, can utilize the vehicle-mounted device for igniting of 12V on the car as the 12V power output interface, demonstrate, the investigation of test, fault, the 12V power input is inserted the vehicle-mounted device for igniting of 12V gets final product.
The power module 4 that another kind of execution mode is this apparatus for demonstrating directly is set to storage battery, and storage battery 4 outputs are connected with reception main frame 6-1,6-2, display 2 respectively, is to receive main frame 6-1,6-2 and display 2 power supplies.
This apparatus for demonstrating can also be tested, test comprises front end signal test and company's this machine of product performance test, test mainly is the test to digital TV emissioning signal coverage condition to front end signal, relate to diagnosis to the signal power, to determining of signal blind compensating, this device just can be tested after can being carried to the objective wiring by the tester; Another kind is the performance test to product itself, mainly be at unlike signal, the test that different signal coverage varies is carried out properties of product, this test can be used to verify the performance of product own, for the further improvement of enterprise product performance provides detailed data, support technological progress in enterprises.
Claims (9)
1, a kind of vehicle-mounted digital television apparatus for demonstrating, it is characterized in that, comprise the upper and lower casing that can fasten mutually, in lower box, be provided with and receive main frame, antenna, power module, be provided with display, loud speaker in the upper box, wherein, antenna is connected the input that receives main frame, the output that receives main frame connects display, loud speaker respectively, and the output of power module is connected with display, reception main frame respectively, for the two provides power supply.
2, vehicle-mounted digital television apparatus for demonstrating as claimed in claim 1 is characterized in that, receives main frame and is provided with 1.
3, vehicle-mounted digital television apparatus for demonstrating as claimed in claim 1, it is characterized in that be provided with the reception main frame of 2～3 parallel connections in the lower box, each main frame connects power module respectively, and their output all connects the audio frequency and video handover module, and the audio frequency and video handover module connects display.
4, as each described vehicle-mounted digital television apparatus for demonstrating of claim 1～3, it is characterized in that, described power module is made up of power supply adaptor, power transfer module, low-voltage DC input connecting line, wherein power supply adaptor, low-voltage DC input connecting line are connected with the reception main frame respectively, and power supply adaptor, low-voltage DC input connecting line also are connected with display by power transfer module.
5, vehicle-mounted digital television apparatus for demonstrating as claimed in claim 4 is characterized in that, also is provided with station reporting instrument in the lower box, and station reporting instrument is connected with the power transfer module output, and the station reporting instrument output is connected with the loud speaker of calling out the stops.
6, as each described vehicle-mounted digital television apparatus for demonstrating of claim 1～3, it is characterized in that described power module is a storage battery, accumulator output end is connected with reception main frame, display respectively.
7, as each described vehicle-mounted digital television apparatus for demonstrating of claim 1～3, it is characterized in that, described power module comprises power supply adaptor, low-voltage DC input connecting line, and wherein power supply adaptor, low-voltage DC input connecting line all are connected with reception main frame, display respectively.
8, vehicle-mounted digital television apparatus for demonstrating as claimed in claim 7 is characterized in that, power supply adaptor, low-voltage DC input connecting line all are connected with reception main frame, display respectively by transfer switch.
9, vehicle-mounted digital television apparatus for demonstrating as claimed in claim 1 is characterized in that, lower box is equipped with castor, pull bar outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201718274U CN201114449Y (en) | 2007-09-17 | 2007-09-17 | Vehicular digital TV demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201718274U CN201114449Y (en) | 2007-09-17 | 2007-09-17 | Vehicular digital TV demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201114449Y true CN201114449Y (en) | 2008-09-10 |
Family
ID=39966197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201718274U Expired - Fee Related CN201114449Y (en) | 2007-09-17 | 2007-09-17 | Vehicular digital TV demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201114449Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110956885A (en) * | 2019-12-10 | 2020-04-03 | 湖北亿咖通科技有限公司 | Integrated demonstration case of car machine system |
-
2007
- 2007-09-17 CN CNU2007201718274U patent/CN201114449Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110956885A (en) * | 2019-12-10 | 2020-04-03 | 湖北亿咖通科技有限公司 | Integrated demonstration case of car machine system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN LIHESHIDA TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHENZHEN LIHE DIGITAL TELEVISION CO., LTD. Effective date: 20090814 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090814 Address after: Research Institute of Shenzhen Tsinghua University, Nanshan District hi tech Southern District, Guangdong, Shenzhen 518057, China Patentee after: Shenzhen Leaguer Shida Technology Co., Ltd. Address before: A309 Research Institute, Shenzhen District, Nanshan District science and Technology Park, Guangdong,, China Patentee before: Shenzhen Leaguer Digital TV Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080910 Termination date: 20120917 |