CN211579141U - Compound USB data transmission line - Google Patents
Compound USB data transmission line Download PDFInfo
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- CN211579141U CN211579141U CN202020601094.9U CN202020601094U CN211579141U CN 211579141 U CN211579141 U CN 211579141U CN 202020601094 U CN202020601094 U CN 202020601094U CN 211579141 U CN211579141 U CN 211579141U
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- usb data
- data transmission
- data interface
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Abstract
The utility model discloses a compound USB data transmission line, including USB data interface plug and DC power supply plug, and 8 core plugs, DC power supply plug power cord and USB data interface plug signal line are wrapped up the plastic respectively and are formed the plastic cable, and two plastic cables collect in 8 core plug front departments and form a plastic cable, are provided with the stress collection and distribution plastic post that one section length is not less than 20mm collecting the department, and the cross-sectional area of stress collection and distribution plastic post is greater than the sum of two plastic cable sectional areas, and two plastic cables are provided with resistant curved rubber snare respectively with the link of DC power supply plug and USB data interface plug with the plastic post link that gathers and with stress collection and distributes. The utility model discloses connect two lines at one end and form a plug, portable has simplified the connection operation, and its structure cable also can not be because of frequently buckling the damage even work for a long time under outdoor low temperature environment.
Description
Technical Field
The utility model relates to a compound USB data transmission line for data transmission between GPS measuring apparatu and the control computer connects.
Background
The connection between the outdoor GPS measuring instrument and the control computer is generally realized by connecting a direct current power line and a USB data transmission line, and is used for exporting basic data of the measuring instrument and upgrading the firmware of an internal functional module, so that equipment is maintained, the measuring instrument is ensured to be in the optimal use state, and the failure probability of the equipment in the use process is reduced. In order to meet the requirements of small size and portability of outdoor GPS measuring instruments, all components need to be reduced in size to the maximum extent, and USB data transmission lines cannot be used exceptionally. The traditional USB data transmission line is large in size, when the traditional USB data transmission line is used outdoors to upgrade the firmware of the GPS measuring instrument, the upgrading can be guaranteed to be completed smoothly by only externally connecting a code converter, otherwise, the upgrading is easy to fail, and equipment faults are caused. The two lines are separately carried and connected, so that the operation is troublesome and the miniaturization and the simplification of the outdoor GPS measuring instrument are not facilitated. The traditional USB data transmission line needs a connection mode of independently externally connecting a code converter and cannot well meet the requirement of an outdoor GPS measuring instrument.
Disclosure of Invention
The utility model provides a compound USB data transmission line links together two detached cables portable and installation, and even the cable can not damage because of frequently buckling for long-time work under outdoor low temperature environment, and the cable still has higher waterproof nature, and the code conversion circuit integrates with the USB interface and encapsulates the success rate that promotes firmware upgrading, effectively avoids the equipment trouble that firmware upgrading failure leads to.
In order to achieve the above object, the present invention provides a technical solution:
a composite USB data transmission line for the data transmission connection between GPS measurer and control computer is composed of a USB data interface plug and a DC power plug, wherein, the USB data transmission line also comprises an 8-core plug connected with the GPS measuring instrument, a power line of the DC power supply plug and a signal line of the USB data interface plug are respectively connected with the 8-core plug, the direct current power plug power line and the USB data interface plug signal line are respectively wrapped with plastic to form a plastic cable, the two plastic cables are converged at the front part of the 8-core plug to form a plastic cable, a stress collecting and distributing plastic column with the length not less than 20mm is arranged at the collection position, the cross-sectional area of the stress collecting and distributing plastic column is larger than the sum of the cross-sectional areas of the two plastic cables, and the connecting ends of the two plastic cables and the stress collecting and distributing plastic columns and the connecting ends of the two plastic cables and the direct-current power supply plug and the USB data interface plug are respectively provided with a bending-resistant rubber sleeve.
The scheme is further as follows: the cross section of the stress distribution plastic column is rectangular, and the cross sections of the direct-current power plug plastic cable and the USB data interface plug plastic cable are circular.
The scheme is further as follows: the cross-sectional area of the stress-distributing plastic column is at least 2 times of the sum of the cross-sectional areas of the two plastic cables.
The scheme is further as follows: and a USB code conversion circuit is packaged in the USB data interface plug.
The utility model discloses an useful part is: the composite USB data transmission line connects two lines at one end to form a plug, so that the composite USB data transmission line is convenient to carry and simplifies the connection operation, the structural cable cannot be damaged due to frequent bending even if the structural cable works for a long time in an outdoor low-temperature environment, and the cable also has higher waterproofness. The code conversion circuit and the USB interface plug are integrated and packaged, the success rate of firmware upgrading is improved, and equipment faults caused by firmware upgrading failure are effectively avoided.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic diagram of the signal connection of the present invention.
Detailed Description
A composite USB data transmission line is used for data transmission connection between a GPS measuring instrument and a control computer, as shown in figure 1 and figure 2, the composite USB data transmission line comprises a USB data interface plug 1 and a DC power plug 2 which are connected with the control computer, the DC power plug is a high-power supply wiring plug, wherein, the USB data transmission line also comprises an 8-core plug 3 which is connected with the GPS measuring instrument, a DC power supply plug power line and a USB data interface plug signal line are respectively connected with the 8-core plug, the DC power supply plug power line and the USB data interface plug signal line are respectively wrapped with plastic to form plastic cables 101 and 201, the two plastic cables 101 and 201 are converged at the front end of the 8-core plug 3 to form a plastic cable 301, a stress distribution plastic column 4 with the length not less than 20mm is arranged at the convergent position, the sectional area of the stress distribution plastic column 4 is larger than the sum of the sectional areas of the two plastic cables, and the connecting ends of the two plastic cables and the stress collecting and distributing plastic columns and the connecting ends of the two plastic cables and the direct-current power supply plug and the USB data interface plug are respectively provided with a bending-resistant rubber sleeve 5. The bending-resistant rubber sleeve 5, the stress collecting and distributing plastic columns 4 and the two plastic cables are of an integral structure, namely the plastic is formed through a mold in one step when being poured, and as shown in figure 1, the surface of the bending-resistant rubber sleeve 5 is provided with discontinuous grooves to facilitate bending. The cross section of the stress distribution plastic column is rectangular, and the cross sections of the direct-current power plug plastic cable and the USB data interface plug plastic cable are circular. And the cross-sectional area of the stress-distributing plastic column is at least 2 times of the sum of the cross-sectional areas of the two plastic cables.
In an embodiment, as shown in fig. 2, a USB code conversion circuit is encapsulated in the USB data interface plug to form a USB code converter plug, the circuit is disposed on the circuit board 102, fig. 2 illustrates front and back surfaces inside the USB data interface plug, and an integrated circuit and a capacitance resistance device are disposed on the front and back surfaces; the USB transcoding circuit and circuit board 102 are integrally encapsulated with the socket connection, using thermoplastic polyurethane material for encapsulation.
The cable in the embodiment is structured so as not to be damaged by frequent bending in an outdoor low-temperature environment. Meanwhile, the complete encapsulation also enables the cable to have high waterproofness. When the firmware of the outdoor GPS measuring instrument is upgraded, a high-density 8-core plug connector of the composite USB data transmission line is connected with the outdoor GPS measuring instrument, a USB code converter plug and a high-power direct-current power supply plug are connected with a control computer, or the high-power direct-current power supply plug is connected with a direct-current power supply independently. And clicking the firmware upgrading on the computer to prompt that the USB data transmission line is pulled out after the upgrading is finished, and restarting the outdoor GPS measuring instrument.
The connector of the USB data transmission line is small in size, the cable cannot be damaged due to frequent bending even if the cable works for a long time in an outdoor low-temperature environment, and the cable also has high waterproofness. The code conversion circuit and the USB interface are integrated and packaged, the success rate of firmware upgrading is improved, and equipment faults caused by firmware upgrading failure are effectively avoided.
Claims (4)
1. A composite USB data transmission line for the data transmission connection between GPS measurer and control computer is composed of a USB data interface plug and a DC power plug, it is characterized in that the USB data transmission line also comprises an 8-core plug connected with the GPS measuring instrument, a power line of the direct current power supply plug and a signal line of the USB data interface plug are respectively connected with the 8-core plug, the direct current power plug power line and the USB data interface plug signal line are respectively wrapped with plastic to form a plastic cable, the two plastic cables are converged at the front part of the 8-core plug to form a plastic cable, a stress collecting and distributing plastic column with the length not less than 20mm is arranged at the collection position, the cross-sectional area of the stress collecting and distributing plastic column is larger than the sum of the cross-sectional areas of the two plastic cables, and the connecting ends of the two plastic cables and the stress collecting and distributing plastic columns and the connecting ends of the two plastic cables and the direct-current power supply plug and the USB data interface plug are respectively provided with a bending-resistant rubber sleeve.
2. The composite USB data transmission line of claim 1, wherein the stress distributing plastic column has a rectangular cross-section, and the dc power plug plastic cable and the USB data interface plug plastic cable have circular cross-sections.
3. A composite USB data transmission line according to claim 1 or 2, wherein the cross-sectional area of the stress-distributing plastic column is at least 2 times the sum of the cross-sectional areas of the two plastic cables.
4. The composite USB data transmission line according to claim 1, wherein the USB data interface plug has a USB transcoding circuit encapsulated therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020601094.9U CN211579141U (en) | 2020-04-21 | 2020-04-21 | Compound USB data transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020601094.9U CN211579141U (en) | 2020-04-21 | 2020-04-21 | Compound USB data transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211579141U true CN211579141U (en) | 2020-09-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020601094.9U Active CN211579141U (en) | 2020-04-21 | 2020-04-21 | Compound USB data transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211579141U (en) |
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2020
- 2020-04-21 CN CN202020601094.9U patent/CN211579141U/en active Active
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