CN207399181U - A kind of wear-resisting digital analog converter - Google Patents
A kind of wear-resisting digital analog converter Download PDFInfo
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- CN207399181U CN207399181U CN201721024731.5U CN201721024731U CN207399181U CN 207399181 U CN207399181 U CN 207399181U CN 201721024731 U CN201721024731 U CN 201721024731U CN 207399181 U CN207399181 U CN 207399181U
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- digital
- wear
- analogue
- resisting
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 4
- 229920000515 polycarbonate Polymers 0.000 claims description 4
- 239000004417 polycarbonate Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000013517 stratification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a kind of wear-resisting digital analog converters, including digital-to-analogue conversion box, digital-to-analogue output cassette and data cable, described data cable one end is connected with digital-to-analogue output cassette, the data cable other end is connected with digital-to-analogue conversion box, the digital-to-analogue conversion box front end is provided with type A type interfaces, the digital-to-analogue conversion box rear end is provided with HDMI interface, USB3.1 interfaces are provided with by the HDMI interface, above and below the digital-to-analogue output cassette rotating mechanism is both provided on two surfaces, shutter is provided on the rotating mechanism, the digital-to-analogue output cassette front end is provided with type C interface.A kind of wear-resisting digital analog converter of the utility model has the characteristics that design is rationally and easy to use, effectively raises the wearability of digital-to-analogue output terminal, substantially increases the clarity of image quality after the digital speed converted and conversion.
Description
Technical field
The utility model is related to converter arts, are specifically a kind of wear-resisting digital analog converter.
Background technology
With the rapid development and popularization of digital technology, particularly computer technology, in modern scientist, communication and detection etc.
In order to improve the performance indicator of system, digital computer technique is widely used to the processing of signal for field.Due to the reality of system
Border object is all often some analog quantitys (such as temperature, pressure, displacement, image), to enable computer or digital instrument identify,
Handle these signals, it is necessary to these analog signals are converted into digital signal first, and exported after computer is analyzed, handled
Digital quantity is also tended to need to be converted into corresponding analog signal and could received by executing agency, so, it is necessary to Yi Zhongneng
Circuit-the modulus and digital analog converter to serve as a connection between analog signal and digital signal, also known as digital analog converter, D/A
Converter, abbreviation DAC, it is the device for digital quantity being transformed into simulation, and D/A converter is substantially made of 4 parts, that is, weighs
Resistor network, operational amplifier, reference power supply and analog switch will generally use digital analog converter, mould in analog-digital converter
Number converter, that is, A/D converter, abbreviation ADC, it is the device that continuous analog-signal transitions are discrete digital signal.
In D/A transfer processes, influencing the principal element of conversion accuracy has offset error, gain error, nonlinearity erron
With differential nonlinearity error, also there are certain requirement, existing number for the interface precision of the digital-to-analogue output terminal of digital analog converter
The output end interface of mode converter generally all without anti-wear-resisting equipment, if it is protected it is improper, it will usually damage interface
Precision has dust into incoming interface, influences the precision of conversion and the image quality requirement of conversion.
Utility model content
The purpose of this utility model is to provide a kind of wear-resisting digital analog converters, are exported with solving digital-to-analogue in the prior art
End interface is fragile and the problem of dust stratification.
To achieve the above object, the utility model provides following technical solution：
A kind of wear-resisting digital analog converter, including digital-to-analogue conversion box, digital-to-analogue output cassette and data cable, described data cable one end
It is connected with digital-to-analogue output cassette, the data cable other end is connected with digital-to-analogue conversion box, and the digital-to-analogue conversion box front end is set
There are type-A type interfaces, the digital-to-analogue conversion box rear end is provided with HDMI interface, and being provided with USB3.1 by the HDMI interface connects
Mouthful, rotating mechanism is both provided on two surfaces above and below the digital-to-analogue output cassette, shutter is provided on the rotating mechanism, it is described
Digital-to-analogue output cassette front end is provided with type-C type interfaces.
Preferably, 3bit DAC chips are both provided in the digital-to-analogue conversion box and digital-to-analogue output cassette.
Preferably, the data cable is arranged to type-C type data cables.
Preferably, 24pin signals are provided in the type-C types interface and receive terminal, the 24pin signals receiving terminal
Son is arranged to 12pin, lower 12pin.
Preferably, the rotating mechanism is made of shaft and dead axle, and the shutter is connected by shaft with dead axle, institute
It states and limiting slot is provided between shaft and dead axle, the shaft is socketed on dead axle outer wall.
Preferably, the shutter is arranged to polycarbonate plate material, and anti-wear-resistant coating is provided on transparent material.
Compared with prior art, the beneficial effects of the utility model are：The utility model two tables above and below digital-to-analogue output cassette
Shutter is set on face, the shutter is effectively protected type-C interfaces, avoid type-C interfaces when not in use with
Sharp thing collision influences the problem of its precision or long-term dust stratification when not in use, in addition the type-C of the utility model
24pin signal terminals are provided in interface so that it is general above and below type-C interfaces, avoid the interface mode damage letter of mistake
The precision of number terminal even damages type-C interfaces, type-A types interface, HDMI interface 8 is provided on digital-to-analogue conversion box
With USB3.1 interfaces, the interfaces of a variety of different models is supported, strengthen the use scope of digital-to-analogue conversion box.
Description of the drawings
Fig. 1 is a kind of structure diagram of wear-resisting digital analog converter of the utility model.
Fig. 2 is a kind of top view of wear-resisting digital analog converter of the utility model.
Fig. 3 is a kind of side view of wear-resisting digital analog converter of the utility model.
Fig. 4 is a kind of rearview of wear-resisting digital analog converter of the utility model.
Fig. 5 is that a kind of wear-resisting digital analog converter shutter of the utility model rotates schematic diagram.
In figure：1- digital-to-analogue conversions box, 2-type-A types interface, 3- data cables, 4- digital-to-analogues output cassette, 5- rotating mechanisms, 51-
Dead axle, 52- shafts, 53- limiting slots, 6-type-C type joints, 7- shutters, 8-HDMI interfaces, 9-USB3.1 interfaces.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
Please refer to Fig.1~5, in the utility model embodiment, a kind of wear-resisting digital analog converter, including digital-to-analogue conversion box 1,
Digital-to-analogue output cassette 4 and data cable 3,3 one end of data cable are connected with digital-to-analogue output cassette 4,3 other end of data cable and digital-to-analogue conversion
Box 1 is connected, and 1 front end of digital-to-analogue conversion box is provided with type-A types interface 2, and 1 rear end of digital-to-analogue conversion box is provided with HDMI interface 8,
USB3.1 interfaces 9 are provided with by HDMI interface 8, digital-to-analogue output cassette is both provided with rotating mechanism 5, rotating machine on two surfaces about 4
Shutter 7 is provided on structure 5,4 front end of digital-to-analogue output cassette is provided with type-C types interface 6.
3bit DAC chips are both provided in digital-to-analogue conversion box 1 and digital-to-analogue output cassette 4, data cable 3 is arranged to type-C types
Data cable is provided with 24pin signal terminals in type-C types interface 6, and 24pin signal terminals are arranged to 12pin, under
12pin, such structure so that type-C types interface is general about 6, avoid the interface mode of mistake, damage signal terminal is even
In type-C types interface 6 is caused to deform, rotating mechanism 5 is made of shaft 52 and dead axle 51, and shutter 7 is by shaft 52 with determining
Axis 51 is connected, and limiting slot 53 is provided between shaft 52 and dead axle 51, and limiting slot 53 avoids shutter 7 when not in use
It does not shift, significantly more efficient protection type-C types interface 6, shaft 52 is socketed on 51 outer wall of dead axle, and shutter 7 is arranged to poly- carbon
Acid esters plate matter, polycarbonate plate material water white transparency is heat-resisting, shock resistance and with good insulation performance, and in poly- carbonic acid
Anti- wear-resistant coating is provided in ester plate matter, plays the role of dual protection, shutter 7 is arranged to hollow shape, described
7 internal diameter of shutter is slightly larger than the height of digital-to-analogue output cassette 4.
The operation principle of the utility model is：A kind of wear-resisting digital analog converter of the utility model is before digital-to-analogue conversion box 1
End is provided with type-A types interface 2, and HDMI interface 8 and USB3.1 interfaces 9 are provided in 1 rear end of digital-to-analogue conversion box, supports different
The external memorizer of model sets on digital-to-analogue output cassette 4 and the shutter 7 of rotation is realized by rotating mechanism 5, when using the practicality
When new, shutter 7 is outwards rotated by 90 ° around dead axle 51 so that type-C types interface 6 to connecting required digital product,
When not in use, shutter 7 is inwardly rotated by 90 ° around dead axle 51 so that shutter 7 is wrapped in type-C types interface 6, effectively keeps away
Exempting from the unnecessary frictional impact during storage causes 6 transmission speed of type-C types interface to decline, and dust stratification causes type-C types
6 conversion accuracy of interface declines.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that will fall containing in the equivalent requirements of the claims
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (7)
1. a kind of wear-resisting digital analog converter, including digital-to-analogue conversion box (1), digital-to-analogue output cassette (4) and data cable (3), feature
It is, described data cable (3) one end is connected with digital-to-analogue output cassette (4), data cable (3) other end and digital-to-analogue conversion box
(1) it is connected, digital-to-analogue conversion box (1) front end is provided with type-A types interface (2), and digital-to-analogue conversion box (1) rear end is set
It is equipped with HDMI interface (8), is provided with USB3.1 interfaces (9) by the HDMI interface (8), the digital-to-analogue output cassette (4) up and down two
Rotating mechanism (5) is both provided on surface, shutter (7), the digital-to-analogue output cassette (4) are provided on the rotating mechanism (5)
Front end is provided with type-C types interface (6).
2. a kind of wear-resisting digital analog converter according to claim 1, which is characterized in that the digital-to-analogue conversion box (1) and
3bit DAC chips are both provided in digital-to-analogue output cassette (4).
3. a kind of wear-resisting digital analog converter according to claim 1, which is characterized in that the data cable (3) is arranged to
Type-C type data cables.
A kind of 4. wear-resisting digital analog converter according to claim 1, which is characterized in that the type-C types interface (6)
24pin signal terminals are inside provided with, the 24pin signal terminals are arranged to 12pin, lower 12pin.
5. a kind of wear-resisting digital analog converter according to claim 1, which is characterized in that the rotating mechanism (5) is by turning
Axis (52) and dead axle (51) are formed, and the shutter (7) is connected by shaft (52) with dead axle (51), the shaft (52) and
Limiting slot (53) is provided between dead axle (51), the shaft (52) is socketed on dead axle (51) outer wall.
6. a kind of wear-resisting digital analog converter according to claim 1, which is characterized in that the shutter (7) is arranged to
Polycarbonate plate material, and anti-wear-resistant coating is provided in polycarbonate plate material.
7. a kind of wear-resisting digital analog converter according to claim 1 or 6, which is characterized in that the shutter (7) is set
For hollow shape, shutter (7) internal diameter is slightly larger than the height of digital-to-analogue output cassette (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721024731.5U CN207399181U (en) | 2017-08-16 | 2017-08-16 | A kind of wear-resisting digital analog converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721024731.5U CN207399181U (en) | 2017-08-16 | 2017-08-16 | A kind of wear-resisting digital analog converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207399181U true CN207399181U (en) | 2018-05-22 |
Family
ID=62418184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721024731.5U Expired - Fee Related CN207399181U (en) | 2017-08-16 | 2017-08-16 | A kind of wear-resisting digital analog converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207399181U (en) |
-
2017
- 2017-08-16 CN CN201721024731.5U patent/CN207399181U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180522 |