CN201703322U - Display screen telescopic structure of built-in type on-vehicle navigator - Google Patents
Display screen telescopic structure of built-in type on-vehicle navigator Download PDFInfo
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- CN201703322U CN201703322U CN2010202205662U CN201020220566U CN201703322U CN 201703322 U CN201703322 U CN 201703322U CN 2010202205662 U CN2010202205662 U CN 2010202205662U CN 201020220566 U CN201020220566 U CN 201020220566U CN 201703322 U CN201703322 U CN 201703322U
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- photoelectric switch
- slide plate
- photoinduction
- band
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Abstract
The utility model discloses a display screen telescopic structure of a built-in type on-vehicle navigator, which comprises a host machine framework, a slide plate, a driving mechanism and a control circuit, wherein the host machine framework comprises a guide rail of the slide plate, the driving mechanism comprises a driving motor, the control circuit comprises a microprocessor, a relay and a photoelectric switch, the signal output end of the photoelectric switch is connected with the input end of the microprocessor, the host machine framework comprises a light sensing belt of the photoelectric switch, the light sensing belt comprises a reflecting layer and a light absorbing layer which are connected, the photoelectric switch is fixedly arranged on the telescopic slide plate, and faces the light sensing belt, and the photoelectric switch passes the boundary of the reflecting layer and the light absorbing layer of the light sensing belt when the slide plate reaches the final position of the telescopic stroke. The utility model has the advantages of few fault, low product fraction defective and long service life, and the total cost of raw materials can be reduced by more than 2 percent.
Description
[technical field]
The utility model relates to in-vehicle navigation apparatus, relates in particular to a kind of read-out stretching structure of built-in vehicle navigator.
[background technology]
Traditional built-in vehicle navigator read-out stretching structure comprises main machine frame, flexible slide plate, telescopic drive mechanism and control circuit, and telescopic drive mechanism mainly comprises drive motor, speed reduction gearing, driven wheel and tooth bar.Tooth bar is fixed on the main machine frame, and drive motor, speed reduction gearing, driven wheel are installed on the flexible slide plate.Under motor-driven, the engagement of driven wheel and tooth bar drives flexible slide plate and stretches out or withdraw along the guide rail of main machine frame.
At present, flexible slide plate stretches out or the Stroke Control of withdrawing relies on the mechanical stroke switch to carry out.Main machine frame is provided with 2 trapezoid boss, on the flexible slide plate 2 mechanical stroke switches is housed.When 2 travel switches and corresponding metal boss came in contact, travel switch output control signal was controlled drive motor by control circuit.
There is following shortcoming in this built-in vehicle navigator read-out stretching structure:
(1) there is the long-time obsolete period in this product, for example overstock in the sales process, user's night's rest etc., in these periods, the built-in metal spring sheet of switch is in the state of being pressed for a long time, the elastic force of damage metal spring sheet brings out faults such as metal spring sheet bad contact easily.
(2) plastic rod of travel switch easily produces wearing and tearing and fault such as fracture because of rubbing, touch the metal boss repeatedly, causes switching function to lose efficacy.It is higher that bad probability takes place, and generally more than 3%, fraction defective is controlled at and is difficult to reach the total fraction defective of product and is controlled at 3 ‰ with interior requirement.
[summary of the invention]
It is less that the technical problems to be solved in the utility model provides a kind of fault, the read-out stretching structure of the built-in vehicle navigator that the product fraction defective is lower.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is, a kind of built-in vehicle navigator read-out stretching structure, comprise main machine frame, slide plate, driver train and control circuit, described main machine frame comprises the guide rail of slide plate, described driver train comprises drive motor, and described control circuit comprises microprocessor, relay and photoelectric switch, the input end of the signal output termination microprocessor of described photoelectric switch; Described main machine frame comprises the photoinduction band of photoelectric switch, and described photoinduction band comprises bonded assembly reflector layer and light-absorption layer, and described photoelectric switch is packed on the flexible slide plate, towards described photoinduction band; When slide plate arrived the terminal point of flexible stroke, described photoelectric switch was crossed the demarcation line of photoinduction band reflector layer and light-absorption layer.
Described photoinduction band comprises the first photoinduction band and the second photoinduction band, described photoelectric switch comprises first photoelectric switch and second photoelectric switch, first signal input part of the signal output termination microprocessor of first photoelectric switch, the secondary signal input end of the signal output termination microprocessor of second photoelectric switch; When slide plate arrived the terminal point of withdrawal stroke, first photoelectric switch was crossed the demarcation line of the first photoinduction band reflector layer and light-absorption layer; Slide plate arrives when stretching out the terminal point of stroke, and second photoelectric switch is crossed the demarcation line of the second photoinduction band reflector layer and light-absorption layer.
When above-described built-in vehicle navigator read-out stretching structure, slide plate were positioned at the final position of withdrawal stroke, first photoelectric switch was facing to the light-absorption layer of the first photoinduction band; Slide plate arrives when stretching out the final position of stroke, and second photoelectric switch is facing to the light-absorption layer of the second photoinduction band.
When above-described built-in vehicle navigator read-out stretching structure, slide plate were positioned at the final position of withdrawal stroke, first photoelectric switch was facing to the reflector layer of the first photoinduction band; Slide plate arrives when stretching out the final position of stroke, and second photoelectric switch is facing to the reflector layer of the second photoinduction band.
Described reflector layer is argenteous plating polyester film paster; Described light-absorption layer is the PVC paster of black.
The circuit card of described control circuit is packed on the slide plate, and described photoelectric switch is packed on the circuit card, and the bottom of slide plate comprises the window of photoelectric switch.
Photoinduction band in the built-in vehicle navigator read-out of the utility model stretching structure and photoelectric switch can thoroughly avoid mechanical switch to bring out faults such as disabler under the physical factor effect, reduce the fraction defective of product significantly.Photoinduction band and photoelectric switch do not have movable parts, do not produce friction with other parts yet, can increase the service life.The raw MAT'L total cost can reduce more than 2% simultaneously.
[description of drawings]
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the functional block diagram of the read-out stretching structure of the built-in vehicle navigator of the utility model.
Fig. 2 is the exploded drawings of the read-out stretching structure embodiment of the built-in vehicle navigator of the utility model.
Fig. 3 is the assembly drowing of the read-out stretching structure embodiment of the built-in vehicle navigator of the utility model.
[specific embodiment]
To the embodiment of the built-in vehicle navigator read-out of the utility model stretching structure shown in Figure 3, comprise main machine frame 1, flexible slide plate 2, telescopic drive mechanism and control circuit at Fig. 1.Telescopic drive mechanism mainly comprises drive motor 3, speed reduction gearing 4, driven wheel and tooth bar 101.Tooth bar 101 is fixed on 1 of the main frame frame, and drive motor 3, speed reduction gearing 4, driven wheel are installed on the flexible slide plate 2.Under motor-driven, 101 engagements of driven wheel and tooth bar drive flexible slide plate 2 and stretch out or withdraw along the guide rail of main machine frame 1.
Control circuit comprises microprocessor, relay, first photoelectric switch 5 and second photoelectric switch 6, and microprocessor, motor relay, first photoelectric switch 5 and second photoelectric switch 6 all are installed on the circuit card 7, and circuit card 7 is packed on the flexible slide plate 2.
As shown in Figure 1, first signal input part of the signal output termination microprocessor of first photoelectric switch, the secondary signal input end of the signal output termination microprocessor of second photoelectric switch, the signal output relay termination of microprocessor is by just commentaries on classics, counter-rotating and the stall of relay controlling and driving motor 3.
The photoinduction band of photoelectric switch is arranged on the base plate of main machine frame 1, and the photoinduction band is made up of interconnective reflector layer and light-absorption layer, and the material of reflector layer is argenteous plating polyester film paster, and the material of light-absorption layer is the PVC paster of black.
Have the window of 2 photoelectric switchs on the base plate of flexible slide plate 2,2 photoelectric switchs are towards the photoinduction band.When slide plate arrived the terminal point of flexible stroke, photoelectric switch was crossed the demarcation line of photoinduction band reflector layer and light-absorption layer.
Corresponding with first photoelectric switch 5 and second photoelectric switch 6, the photoinduction band on the base plate of present embodiment main machine frame 1 is made up of the first photoinduction band arranged side by side and the second photoinduction band.The first photoinduction band in left side comprises inner PVC paster 801 and argenteous plating polyester film paster 802; The second photoinduction band on right side comprises the PVC paster 803 and the argenteous plating polyester film paster 802 of outer end.In the stroke of flexible slide plate 2 withdrawals, when flexible slide plate 2 arrives the terminal point of withdrawal stroke, first photoelectric switch 5 is crossed the demarcation line of paster 802 and paster 801 from argenteous plating polyester film paster 802, carry out the transition to towards the PVC of the inner paster 801, the level of first photoelectric switch, 5 outputs produces conversion, sends the signal of motor stall to microprocessor; In the stroke that flexible slide plate 2 stretches out, when the terminal point of stroke is stretched out in flexible slide plate 2 arrival, second photoelectric switch 6 is crossed the demarcation line of paster 802 and paster 803 from argenteous plating polyester film paster 802, carry out the transition to towards the PVC of outer end paster 803, the level of second photoelectric switch, 6 outputs produces conversion, sends the signal of motor stall to microprocessor.
Below only be a kind of specific embodiment of present embodiment, the photoinduction band also can adopt two ends to paste argenteous plating polyester film paster, and the mode of black PVC paster is pasted in the stage casing.
Photoinduction band in the built-in vehicle navigator read-out of the utility model stretching structure and photoelectric switch can thoroughly avoid mechanical switch to bring out faults such as disabler under the physical factor effect, reduce the fraction defective of product significantly.Photoinduction band and photoelectric switch do not have movable parts, do not produce friction with other parts yet, can increase the service life.The raw MAT'L total cost can reduce more than 2% simultaneously.
Claims (6)
1. built-in vehicle navigator read-out stretching structure, comprise main machine frame, slide plate, driver train and control circuit, described main machine frame comprises the guide rail of slide plate, described driver train comprises drive motor, described control circuit comprises microprocessor and relay, it is characterized in that described control circuit comprises photoelectric switch, the input end of the signal output termination microprocessor of described photoelectric switch; Described main machine frame comprises the photoinduction band of photoelectric switch, and described photoinduction band comprises bonded assembly reflector layer and light-absorption layer, and described photoelectric switch is packed on the flexible slide plate, towards described photoinduction band; When slide plate arrived the terminal point of flexible stroke, described photoelectric switch was crossed the demarcation line of photoinduction band reflector layer and light-absorption layer.
2. built-in vehicle navigator read-out stretching structure according to claim 1, it is characterized in that, described photoinduction band comprises the first photoinduction band and the second photoinduction band, described photoelectric switch comprises first photoelectric switch and second photoelectric switch, first signal input part of the signal output termination microprocessor of first photoelectric switch, the secondary signal input end of the signal output termination microprocessor of second photoelectric switch; When slide plate arrived the terminal point of withdrawal stroke, first photoelectric switch was crossed the demarcation line of the first photoinduction band reflector layer and light-absorption layer; Slide plate arrives when stretching out the terminal point of stroke, and second photoelectric switch is crossed the demarcation line of the second photoinduction band reflector layer and light-absorption layer.
3. built-in vehicle navigator read-out stretching structure according to claim 2 is characterized in that, when slide plate was positioned at the final position of withdrawal stroke, first photoelectric switch was facing to the light-absorption layer of the first photoinduction band; Slide plate arrives when stretching out the final position of stroke, and second photoelectric switch is facing to the light-absorption layer of the second photoinduction band.
4. built-in vehicle navigator read-out stretching structure according to claim 2 is characterized in that, when slide plate was positioned at the final position of withdrawal stroke, first photoelectric switch was facing to the reflector layer of the first photoinduction band; Slide plate arrives when stretching out the final position of stroke, and second photoelectric switch is facing to the reflector layer of the second photoinduction band.
5. according to the described built-in vehicle navigator read-out stretching structure of arbitrary claim in the claim 1 to 4, it is characterized in that described reflector layer is argenteous plating polyester film paster; Described light-absorption layer is the PVC paster of black.
6. according to the described built-in vehicle navigator read-out stretching structure of arbitrary claim in the claim 1 to 4, it is characterized in that, the circuit card of described control circuit is packed on the slide plate, and described photoelectric switch is packed on the circuit card, and the bottom of slide plate comprises the window of photoelectric switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202205662U CN201703322U (en) | 2010-06-09 | 2010-06-09 | Display screen telescopic structure of built-in type on-vehicle navigator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202205662U CN201703322U (en) | 2010-06-09 | 2010-06-09 | Display screen telescopic structure of built-in type on-vehicle navigator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201703322U true CN201703322U (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202205662U Expired - Fee Related CN201703322U (en) | 2010-06-09 | 2010-06-09 | Display screen telescopic structure of built-in type on-vehicle navigator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201703322U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104908664A (en) * | 2015-05-20 | 2015-09-16 | 江门市益丽汽车影音科技有限公司 | Compact type double-screen display device used for vehicle |
| CN108327648A (en) * | 2017-01-20 | 2018-07-27 | 比亚迪股份有限公司 | The telescopic device and vehicle of vehicle-mounted display terminal |
-
2010
- 2010-06-09 CN CN2010202205662U patent/CN201703322U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104908664A (en) * | 2015-05-20 | 2015-09-16 | 江门市益丽汽车影音科技有限公司 | Compact type double-screen display device used for vehicle |
| CN108327648A (en) * | 2017-01-20 | 2018-07-27 | 比亚迪股份有限公司 | The telescopic device and vehicle of vehicle-mounted display terminal |
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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 YIJUNLONG TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHENZHEN JIAPUSHENG TECHNOLOGY CO., LTD. Effective date: 20110920 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 SHENZHEN, GUANGDONG PROVINCE TO: 518125 SHENZHEN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110920 Address after: 518125, oyster street, 11 Star Industrial Zone, manhole town, manhole town, Guangdong, Shenzhen Patentee after: Shenzhen Yi Long Technology Co., Ltd. Address before: 518000, oyster street, 11 South Ring Road, Manholes, Shenzhen, Guangdong Patentee before: Shenzhen City Jiapusheng Technology Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20120609 |