CN216599652U - Vehicle-mounted Ethernet PoDL power supply equipment and vehicle-mounted Ethernet system - Google Patents
Vehicle-mounted Ethernet PoDL power supply equipment and vehicle-mounted Ethernet system Download PDFInfo
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- CN216599652U CN216599652U CN202122340732.3U CN202122340732U CN216599652U CN 216599652 U CN216599652 U CN 216599652U CN 202122340732 U CN202122340732 U CN 202122340732U CN 216599652 U CN216599652 U CN 216599652U
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- vehicle
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- mounted ethernet
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- 239000003990 capacitor Substances 0.000 claims description 24
- 238000002955 isolation Methods 0.000 claims description 9
- 238000012358 sourcing Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides a vehicle-mounted Ethernet PoDL power supply device and a vehicle-mounted Ethernet system, which relate to the technical field of vehicle-mounted Ethernet and comprise the following steps: the power supply device comprises a first connector, a pair of differential wires, a second connector and a power supply device; the pair of differential lines are connected between the first connector and the second connector and are respectively connected with the high-level end of the power supply device and the low-level end of the power supply device through wires. The first connector is connected with the vehicle-mounted Ethernet control end or the vehicle-mounted Ethernet switch, the second connector is connected with the vehicle-mounted Ethernet terminal, and under the condition that the vehicle-mounted Ethernet control end or the vehicle-mounted Ethernet switch cannot supply power to the vehicle-mounted Ethernet terminal, the power supply device can be used for providing power supply PoDL for the data line, so that power supply of the vehicle-mounted Ethernet terminal is completed.
Description
Technical Field
The utility model relates to the technical field of vehicle-mounted Ethernet, in particular to vehicle-mounted Ethernet PoDL power supply equipment and a vehicle-mounted Ethernet system.
Background
At present, many vehicle-mounted ethernet terminal devices, such as vehicle-mounted cameras, can use PoDL power, but many vehicle-mounted ethernet switch terminals in the prior art are not designed with PoDL power supply systems, so that power cannot be supplied to the ethernet terminal devices. Therefore, an object of the present invention is to provide a vehicle ethernet PoDL power sourcing equipment capable of supplying power to an ethernet terminal device when the vehicle ethernet switch end or the control end is unable to supply power.
SUMMERY OF THE UTILITY MODEL
The utility model provides a vehicle-mounted Ethernet PoDL power supply device and a vehicle-mounted Ethernet system which can supply power to Ethernet terminal equipment under the condition that a vehicle-mounted Ethernet switch end or a control end cannot supply power.
The utility model provides a vehicle-mounted Ethernet PoDL power supply device, which comprises: the power supply device comprises a first connector, a pair of differential wires, a second connector and a power supply device; the pair of differential lines are connected between the first connector and the second connector and are respectively connected with a high-level end of the power supply device and a low-level end of the power supply device through wires.
According to the vehicle-mounted Ethernet PoDL power supply equipment provided by the utility model, isolation inductors are arranged on the lead between the differential line and the high level end and on the lead between the differential line and the low level end.
According to the vehicle-mounted ethernet PoDL power supply device provided by the utility model, an isolating device for isolating direct current between the first connector and the second connector is further arranged between the first connector and the second connector.
According to the vehicle-mounted Ethernet PoDL power supply equipment provided by the utility model, the isolating device is set as an alternating current coupling capacitor, and the alternating current coupling capacitor comprises a first capacitor and a second capacitor which are respectively arranged on the pair of differential lines.
According to the vehicle-mounted Ethernet PoDL power supply equipment provided by the utility model, a common-mode inductor is further arranged between the first connector and the second connector.
According to the vehicle-mounted Ethernet PoDL power supply equipment provided by the utility model, a filter circuit is further arranged between the first connector and the second connector.
According to the vehicle-mounted Ethernet PoDL power supply equipment provided by the utility model, the filter circuit comprises a first resistor, a second resistor, a third resistor and a third capacitor;
the first end of the first resistor and the first end of the second resistor are respectively connected with the differential lines, the second end of the first resistor and the second end of the second resistor are connected to a first connection point, and the third resistor and the third capacitor are connected between the first connection point and the ground in parallel.
According to the vehicle-mounted Ethernet PoDL power supply equipment provided by the utility model, the power supply device is set as a direct-current power supply.
The utility model also provides a vehicle-mounted Ethernet system which comprises one of a vehicle-mounted Ethernet switch and a vehicle-mounted Ethernet control terminal, a vehicle-mounted Ethernet terminal and the vehicle-mounted Ethernet PoDL power supply equipment;
one end of the vehicle-mounted Ethernet PoDL power supply equipment is connected with the vehicle-mounted Ethernet switch or the vehicle-mounted Ethernet control end, and the other end of the vehicle-mounted Ethernet PoDL power supply equipment is connected with the vehicle-mounted Ethernet terminal.
According to the vehicle-mounted Ethernet system provided by the utility model, the vehicle-mounted Ethernet terminal is set as a camera.
According to the vehicle-mounted Ethernet PoDL power supply equipment provided by the utility model, the first connector is connected with the vehicle-mounted Ethernet control end or the vehicle-mounted Ethernet switch, the second connector is connected with the vehicle-mounted Ethernet terminal, and under the condition that the vehicle-mounted Ethernet control end or the vehicle-mounted Ethernet switch cannot supply power to the vehicle-mounted Ethernet terminal, the power supply device can be used for supplying power to PoDL through the data line, so that the power supply of the vehicle-mounted Ethernet terminal is completed.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a vehicle-mounted ethernet PoDL power supply device provided by the present invention;
FIG. 2 is a schematic block diagram of an in-vehicle Ethernet system provided in some embodiments of the utility model;
FIG. 3 is a schematic block diagram of an in-vehicle Ethernet system provided in some embodiments of the utility model;
reference numerals:
1: a first connector; 2: a differential line; 3: a second connector;
4: a power supply device; 5: isolating the inductor; 6: a first capacitor;
7: a second capacitor; 8: a common mode inductor; 9: a first resistor;
10: a second resistor; 11: a third resistor; 12: a third capacitor;
13: a vehicle-mounted Ethernet terminal; 14: a vehicle-mounted Ethernet control terminal; 15: a vehicle-mounted Ethernet switch;
16: vehicle mounted ethernet PoDL power sourcing equipment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The following describes the in-vehicle ethernet PoDL power sourcing equipment 16 provided in an embodiment of the present invention in conjunction with fig. 1-3.
Specifically, the in-vehicle ethernet PoDL power sourcing equipment 16 includes: a first connector 1, a pair of differential lines 2, a second connector 3, and a power supply device 4. The pair of differential lines 2 are connected between the first connector 1 and the second connector 3, and the pair of differential lines 2 are connected to the high-level end of the power supply device 4 and the low-level end of the power supply device 4 through wires, respectively. The first connector 1 is used for connecting with a vehicle-mounted Ethernet control terminal 14 or a vehicle-mounted Ethernet switch 15 to complete data communication and provide power supply for an external power supply. The second connector 3 is used for connecting with the vehicle-mounted Ethernet terminal 13 so as to complete data communication and supply power to the vehicle-mounted Ethernet terminal 13. The power supply device 4 is provided as a dc power supply.
The first connector 1 is connected with the vehicle-mounted ethernet control terminal 14 or the vehicle-mounted ethernet switch 15, the second connector 3 is connected with the vehicle-mounted ethernet terminal 13, and when the vehicle-mounted ethernet control terminal 14 or the vehicle-mounted ethernet switch 15 cannot supply power to the vehicle-mounted ethernet terminal 13, the power supply device 4 can be used to provide power supply PoDL for the data line, so as to complete power supply of the vehicle-mounted ethernet terminal 13.
Referring to fig. 1, in some embodiments of the present invention, isolation inductors 5 are disposed on the conductive lines between the differential line 2 and the high level end, and on the conductive lines between the differential line 2 and the low level end. By arranging the isolation inductor 5, the isolation inductor 5 plays a role in isolating the alternating current data signal when the power supply device 4 provides the direct current power supply.
Referring to fig. 1, in some embodiments provided by the present invention, an isolation device for isolating dc power between the first connector 1 and the second connector 3 is further provided between the first connector 1 and the second connector 3. Further, the isolation device is configured as an ac coupling capacitor including a first capacitor 6 and a second capacitor 7 respectively disposed on the pair of differential lines 2. The first capacitor 6 and the second capacitor 7 are ac coupling capacitors. In this way, the dc current between the first connector 1 and the second connector 3 can be isolated by using the dc blocking ac principle of the capacitor.
In some embodiments provided by the present invention, a common mode inductor 8 is further disposed between the first connector 1 and the second connector 3. The common mode inductor 8 is also called a common mode choke coil, i.e. a pair of differential wires 2 are wound on the same core, and the number of turns and the phase are the same, but the winding directions are opposite. The common mode signal can be suppressed by providing the common mode inductor 8.
In some embodiments provided by the present invention, a filter circuit is further disposed between the first connector 1 and the second connector 3.
Further, the filter circuit comprises a first resistor 9, a second resistor 10, a third resistor 11 and a third capacitor 12;
the first end of the first resistor 9 and the first end of the second resistor 10 are respectively connected to the pair of differential lines 2, and the second end of the first resistor 9 and the second end of the second resistor 10 are connected to the first connection point. The third resistor 11 and the third capacitor 12 are connected in parallel between the first connection point and ground. The filter circuit can filter signals.
Referring to fig. 2 and 3, in an embodiment of the present invention, a vehicle-mounted ethernet system is further provided, which includes one of a vehicle-mounted ethernet switch 15 and a vehicle-mounted ethernet control terminal 14, a vehicle-mounted ethernet terminal 13, and a vehicle-mounted ethernet PoDL power device 16 as described above. One end of the vehicle-mounted Ethernet PoDL power supply device 16 is connected with the vehicle-mounted Ethernet switch 15 or the vehicle-mounted Ethernet control terminal 14, and the other end is connected with the vehicle-mounted Ethernet terminal 13. In this way, when the vehicle-mounted ethernet switch 15 or the vehicle-mounted ethernet control terminal 14 cannot provide power, the power supply device 16 of the vehicle-mounted ethernet PoDL provided by the present invention provides power supply PoDL for the data line, and thus power supply to the vehicle-mounted ethernet terminal 13 is completed.
Further, the in-vehicle ethernet terminal 13 may be provided as a camera.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An on-board ethernet PoDL power sourcing equipment, comprising: the differential cable comprises a first connector, a pair of differential wires, a second connector and a power supply device; the pair of differential lines are connected between the first connector and the second connector and are respectively connected with a high-level end of the power supply device and a low-level end of the power supply device through wires.
2. The PoDL power supply equipment of claim 1, wherein isolation inductors are disposed on the conducting wires between the differential line and the high level end and between the differential line and the low level end.
3. The PoDL power supply equipment for vehicles according to claim 1, wherein an isolation device for isolating the first connector from the second connector is further disposed between the first connector and the second connector.
4. The PoDL power supply equipment of claim 3, wherein the isolation device is configured as an AC coupling capacitor, and the AC coupling capacitor comprises a first capacitor and a second capacitor respectively disposed on the pair of differential lines.
5. The PoDL power sourcing equipment of claim 1, wherein a common mode inductor is further disposed between the first connector and the second connector.
6. The PoDL power supply equipment for vehicle of claim 1, wherein a filter circuit is further disposed between the first connector and the second connector.
7. The PoDL power-on equipment of claim 6, wherein the filter circuit comprises a first resistor, a second resistor, a third resistor and a third capacitor;
the first end of the first resistor and the first end of the second resistor are respectively connected with the differential lines, the second end of the first resistor and the second end of the second resistor are connected to a first connection point, and the third resistor and the third capacitor are connected between the first connection point and the ground in parallel.
8. The PoDL power sourcing equipment of claim 1, wherein the power sourcing equipment is configured as a DC power source.
9. A vehicular ethernet system comprising a vehicular ethernet switch, one of vehicular ethernet control terminals, a vehicular ethernet terminal, and a vehicular ethernet PoDL power sourcing equipment according to any one of claims 1-8;
one end of the vehicle-mounted Ethernet PoDL power supply equipment is connected with the vehicle-mounted Ethernet switch or the vehicle-mounted Ethernet control end, and the other end of the vehicle-mounted Ethernet PoDL power supply equipment is connected with the vehicle-mounted Ethernet terminal.
10. The vehicle-mounted Ethernet system according to claim 9, wherein the vehicle-mounted Ethernet terminal is provided as a camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122340732.3U CN216599652U (en) | 2021-09-18 | 2021-09-18 | Vehicle-mounted Ethernet PoDL power supply equipment and vehicle-mounted Ethernet system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122340732.3U CN216599652U (en) | 2021-09-18 | 2021-09-18 | Vehicle-mounted Ethernet PoDL power supply equipment and vehicle-mounted Ethernet system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216599652U true CN216599652U (en) | 2022-05-24 |
Family
ID=81636309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122340732.3U Active CN216599652U (en) | 2021-09-18 | 2021-09-18 | Vehicle-mounted Ethernet PoDL power supply equipment and vehicle-mounted Ethernet system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216599652U (en) |
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2021
- 2021-09-18 CN CN202122340732.3U patent/CN216599652U/en active Active
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 701, 7th Floor, Building 6, Courtyard 8, Kegu 1st Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing, 100176 Patentee after: Beijing Tasson Technology Ltd. Address before: Room 701, 7 / F, building 6, courtyard 8, KEGU 1st Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing 100176 Patentee before: BEIJING TASSON TECHNOLOGY Ltd. |
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| CP03 | Change of name, title or address |