Photoelectric conversion module, optical cable, vehicle-mounted detection equipment, central control host and automobile

Abstract

The utility model provides a photoelectric conversion module, an optical cable, vehicle-mounted detection equipment, a central control host and an automobile, and relates to the technical field of photoelectricity. The photoelectric conversion module comprises a sending assembly and / or a receiving assembly; the transmitting assembly comprises a transmitting end and a light splitting chip, the transmitting end is configured to convert a serialized coaxial signal into a high-speed optical signal and a low-speed optical signal, and the light splitting chip is located on an emergent light path of the transmitting end and is configured to spatially separate and emit the high-speed optical signal and the low-speed optical signal; the receiving assembly comprises a receiving end and an optical combination chip, and the receiving end is configured to restore the serialized optical signal into the coaxial signal; and the light combining chip is arranged on an incident light path of the receiving end and is configured to combine the high-speed optical signal and the low-speed optical signal into the serialized optical signal. According to the embodiment, the transmission rate and the capacity are improved, the cost, the signal attenuation and the influence on radiation and interference are reduced, and the communication distance is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to photoelectric technology field especially relates to photoelectric conversion module, optical cable, vehicle-mounted detection equipment, central control host computer and car. BACKGROUND

[0002] With the development of automobile intelligentization, the demand of vehicle-mounted Ethernet for data transmission and processing is more and more big, for transmission rate reaches from 100Mbps to 1Gbps again to 10Gbps, the problem such as the attenuation of traditional copper cable is too big to be more and more obvious. With the transmission rate promotion, the requirement of cable anti-radiation and anti-interference is also higher and higher, and the communication distance is short, the cost is higher using traditional cable communication, and the terabit Ethernet data transmission cannot be satisfied. CONTENT OF UTILITY MODEL

[0003] The utility model embodiment provides a kind of photoelectric conversion module, optical cable, vehicle-mounted detection equipment, central control host computer and car, transmission rate and capacity are improved, cost, signal attenuation, and the influence of radiation and interference are reduced, communication distance is increased.

[0004] Firstly, the utility model embodiment provides a kind of photoelectric conversion module, including sending component and / or receiving component;

[0005] The sending component includes sending end and light splitting chip, the sending end is configured as the coaxial signal of serialization is converted into high-speed optical signal and low-speed optical signal, the light splitting chip is located on the emergent light path of the sending end, and is configured as the high-speed optical signal and the low-speed optical signal are separated in space and emit;

[0006] The receiving component includes receiving end and light combining chip, the receiving end is configured as the coaxial signal of serialization is restored;The light combining chip is arranged on the incident light path of the receiving end, and is configured as the high-speed optical signal and the low-speed optical signal are combined into the coaxial signal of serialization.

[0007] Secondly, the utility model embodiment provides a kind of vehicle-mounted Ethernet photoelectric hybrid optical cable, including:

[0008] At least two optical fibers, including first type optical fiber and second type optical fiber, the first type optical fiber is configured to transmit high-speed optical signal, and the second type optical fiber is configured to transmit low-speed optical signal;

[0009] At least two cables, including power line and ground wire;

[0010] Outer sheath is arranged on the periphery of the at least two optical fibers and the at least two cables.

[0011] Optionally, the number of the first type optical fiber is same as the number of the second type optical fiber.

[0012] Optionally, the number of the power lines and the ground lines is the same.

[0013] Optionally, further comprising an optical-electric conversion module, the optical-electric conversion module comprising a sending assembly and / or a receiving assembly, the sending assembly and / or the receiving assembly being connected to the end of the optical fiber;

[0014] The sending assembly comprises a sending end and a light splitting chip, the sending end being configured to convert the serialized coaxial signal into a high-speed optical signal and a low-speed optical signal, the light splitting chip being located on an outgoing light path of the sending end and being configured to emit the high-speed optical signal into the first type of optical fiber and emit the low-speed optical signal into the second type of optical fiber;

[0015] The receiving assembly comprises a receiving end and a light combining chip, the receiving end being configured to restore the serialized optical signal into the coaxial signal, and the light combining chip being arranged on an incoming light path of the receiving end and being configured to combine the high-speed optical signal transmitted by the first type of optical fiber and the low-speed optical signal transmitted by the second type of optical fiber into the serialized optical signal.

[0016] In a third aspect, the utility model provides a kind of vehicle-mounted detection equipment, comprising the optical-electric conversion module as described in the first aspect.

[0017] Optionally, comprising a camera and / or a radar.

[0018] In a fourth aspect, the utility model provides a kind of central control host computer, comprising the optical-electric conversion module as described in the first aspect.

[0019] In a fifth aspect, the utility model provides a kind of car, comprising any of the following:

[0020] The optical-electric conversion module as described in the first aspect;

[0021] The vehicle-mounted Ethernet optical-electric hybrid optical cable as described in the second aspect;

[0022] The vehicle-mounted detection equipment as described in the third aspect;

[0023] And the central control host computer as described in the fourth aspect.

[0024] The embodiment of the utility model provides a kind of photoelectric conversion module, photoelectric conversion module includes sending component and / or receiving component.Sending component includes light splitting chip, and light splitting chip is combined in space high-speed optical signal and low-speed optical signal is separated in space and emits.Receiving component includes light combining chip, and light combining chip will be separated in space high-speed optical signal and low-speed optical signal is combined in space and emits.Thereby, data can be transmitted using optical signal (including high-speed optical signal and low-speed optical signal), transmission rate and capacity are improved, cost, signal attenuation, and influence on radiation and interference are reduced, and communication distance is increased. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A schematic diagram of a photoelectric conversion module provided by the embodiment of the utility model is shown in the figure.

[0026] Figure 2 A schematic diagram of another photoelectric conversion module provided by the embodiment of the utility model is shown in the figure.

[0027] Figure 3 A schematic diagram of another photoelectric conversion module provided by the embodiment of the utility model is shown in the figure.

[0028] Figure 4 A cross-sectional view of a vehicle-mounted Ethernet optoelectronic hybrid optical cable provided by the embodiment of the utility model is shown in the figure.

[0029] Figure 5 A schematic diagram of a vehicle-mounted Ethernet optoelectronic hybrid optical cable provided by the embodiment of the utility model is shown in the figure.

[0030] Figure 6 A schematic diagram of a vehicle-mounted detection device provided by the embodiment of the utility model is shown in the figure.

[0031] Figure 7 A schematic diagram of a central control host provided by the embodiment of the utility model is shown in the figure. DETAILED DESCRIPTION

[0032] The utility model will be further described in detail in combination with the drawings and embodiments.It can be understood that the specific embodiments described herein are only used to explain the utility model, and not limited to the utility model.In addition, it should be noted that, in order to facilitate description, only part of the structure related to the utility model is shown in the drawings, not all structures.

[0033] Figure 1 A schematic diagram of a photoelectric conversion module provided by the embodiment of the utility model is shown in the figure. Figure 1The photoelectric conversion module 100 comprises a sending assembly 110. The sending assembly 110 comprises a sending end 113 and a light splitting chip 114. The sending end 113 is configured to convert a serialized coaxial signal into a high-speed optical signal and a low-speed optical signal. The light splitting chip 114 is located on an outgoing light path of the sending end 113, and the light splitting chip 114 is configured to spatially separate the high-speed optical signal and the low-speed optical signal for outgoing. The coaxial signal may, for example, be an electrical signal sent by a vehicle-mounted detection device or a central control host.

[0034] Figure 2 Another schematic diagram of the photoelectric conversion module provided by the embodiment of the utility model is shown in FIG. 2. The photoelectric conversion module 100 comprises a receiving assembly 120. The receiving assembly 120 comprises a receiving end 122 and a light combining chip 121. The receiving end 122 is configured to restore a serialized optical signal into a coaxial signal. The coaxial signal may, for example, be an electrical signal received by a vehicle-mounted detection device or a central control host. The light combining chip 121 is arranged on an incident light path of the receiving end 122, and the light combining chip 121 is configured to combine a high-speed optical signal and a low-speed optical signal into a serialized optical signal. The serialized optical signal may, for example, comprise a high-speed optical signal and a low-speed optical signal arranged in time sequence. Figure 2

[0035] Figure 3 Another schematic diagram of the photoelectric conversion module provided by the embodiment of the utility model is shown in FIG. 2. The photoelectric conversion module 100 comprises a sending assembly 110 and a receiving assembly 120. For a device comprising the photoelectric conversion module 100, one of the photoelectric conversion modules 100 described above is adopted according to actual requirements. Figures 1-3

[0036] The embodiment of the utility model provides a photoelectric conversion module 100, and the photoelectric conversion module 100 comprises a sending assembly 110 and / or a receiving assembly 120. The sending assembly 110 comprises a light splitting chip 114, and the light splitting chip 114 separates a high-speed optical signal and a low-speed optical signal combined in space for outgoing. The receiving assembly 120 comprises a light combining chip 121, and the light combining chip 121 combines a high-speed optical signal and a low-speed optical signal separated in space for outgoing. Thus, optical signals (comprising a high-speed optical signal and a low-speed optical signal) can be used to transmit data, transmission rate and capacity are improved, cost, signal attenuation, and influence on radiation and interference are reduced, and communication distance is increased.

[0037] Exemplarily, referring to FIG. 1, Figure 1 The sending end 113 comprises a laser driver 111 and a laser 112. The laser driver 111 and the laser 112 are electrically connected. The laser driver 111 is configured to drive the laser 112 to emit a laser beam. The laser 112 and the light splitting chip 114 can be connected through an optical fiber, or space light is transmitted between the laser 112 and the light splitting chip 114. ​​

[0038] Exemplarily, referring to Figure 2 The splitting chip 114 and the transmitting end 113 can be connected by optical fibers, or spatial light is transmitted between the splitting chip 114 and the transmitting end 113. For example, a photosensitive element such as a photodiode can be included in the transmitting end 113, which will not be described herein.

[0039] In the known technology, the high-speed optical signal and the low-speed optical signal are combined in space, and the high-speed optical signal and the low-speed optical signal overlap in space. One optical fiber in the optical cable transmits both the high-speed optical signal and the low-speed optical signal.

[0040] Figure 4 A cross-sectional view of a vehicle-mounted Ethernet optoelectronic hybrid optical cable is provided for the embodiments of the present application, referring to Figure 4 The vehicle-mounted Ethernet optoelectronic hybrid optical cable includes at least two optical fibers 210, at least two cable lines 220, and an outer sheath 230. The at least two optical fibers 210 include a first type of optical fiber 211 and a second type of optical fiber 212. The first type of optical fiber 211 is configured to transmit a high-speed optical signal, and the second type of optical fiber 212 is configured to transmit a low-speed optical signal. The at least two cable lines 220 include a power line 221 and a ground line 222. The outer sheath 230 is arranged on the periphery of the at least two optical fibers 210 and the at least two cable lines 220. The outer sheath 230 wraps the at least two optical fibers 210 and the at least two cable lines 220, for protecting the optical fibers 210 and the cable lines 220.

[0041] The embodiments of the present application provide a vehicle-mounted Ethernet optoelectronic hybrid optical cable. The optical fiber 210 in the vehicle-mounted Ethernet optoelectronic hybrid optical cable is adaptively arranged with the optoelectronic conversion module 100 in the above-mentioned embodiments, and the first type of optical fiber 211 and the second type of optical fiber 212 are respectively connected to different exit ends of the splitting chip 114. Alternatively, the first type of optical fiber 211 and the second type of optical fiber 212 are respectively connected to different entrance ends of the light combining chip 121. In this way, optical signals (including high-speed optical signals and low-speed optical signals) can be used to transmit data, so as to improve the transmission rate and capacity, reduce the cost, signal attenuation, and influence on radiation and interference, and increase the communication distance.

[0042] Optionally, referring to Figure 4 The number of the first type of optical fiber 211 is the same as the number of the second type of optical fiber 212. In the vehicle-mounted Ethernet optoelectronic hybrid optical cable, the first type of optical fiber 211 is configured to transmit a high-speed optical signal, and the second type of optical fiber 212 is configured to transmit a low-speed optical signal. The number of the first type of optical fiber 211 is the same as the number of the second type of optical fiber 212, so that the number of the optical fibers transmitting the high-speed optical signal is the same as the number of the optical fibers transmitting the low-speed optical signal.

[0043] Exemplarily, referring to Figure 4The number of the first type of optical fiber 211 and the number of the second type of optical fiber 212 are 3. In other embodiments, the number of the first type of optical fiber 211 and the number of the second type of optical fiber 212 can also be 1, 2, or 4, etc. The number of the first type of optical fiber 211 and the number of the second type of optical fiber 212 are not limited in the embodiments of the present application.

[0044] Optionally, referring to Figure 4 The number of the power lines 221 and the number of the ground lines 222 are the same. In the vehicle-mounted Ethernet optical and electrical hybrid optical cable, the power lines 221 are configured to transmit power signals, and the ground lines 222 are configured to transmit ground signals.

[0045] Exemplarily, referring to Figure 4 The number of the power lines 221 and the number of the ground lines 222 are 2. In other embodiments, the number of the power lines 221 and the number of the ground lines 222 can also be 1, 3, or 4, etc. The number of the power lines 221 and the number of the ground lines 222 are not limited in the embodiments of the present application.

[0046] Exemplarily, referring to Figure 4 The power line 221 includes a PET sheath 223. The power line 221 can also include a tinned copper wire arranged in the PET sheath 223.

[0047] In an embodiment, the vehicle-mounted Ethernet optical and electrical hybrid optical cable 200 includes an optical cable body 240. The optical cable body 240 includes at least two optical fibers 210, at least two cable lines 220, and an outer sheath 230. The vehicle-mounted Ethernet optical and electrical hybrid optical cable 200 does not include the optical-electrical conversion module 100.

[0048] In another embodiment, the optical-electrical conversion module 100 can also be integrated into the vehicle-mounted Ethernet optical and electrical hybrid optical cable 200. Figure 5 A schematic diagram of a vehicle-mounted Ethernet optical and electrical hybrid optical cable provided by the embodiments of the present application, referring to Figures 1-5The vehicle-mounted Ethernet optoelectronic hybrid optical cable 200 includes an optical cable main body 240 and the optoelectronic conversion module 100 in the above embodiment. That is, the vehicle-mounted Ethernet optoelectronic hybrid optical cable further includes an optoelectronic conversion module, the optoelectronic conversion module includes a transmitting assembly and / or a receiving assembly, the transmitting assembly and / or the receiving assembly are connected to the end of the optical fiber. The transmitting assembly includes a transmitting end and a light splitting chip, the transmitting end is configured to convert the serialized coaxial signal into a high-speed optical signal and a low-speed optical signal, and the light splitting chip is located on the outgoing light path of the transmitting end and is configured to emit the high-speed optical signal into the first type of optical fiber and emit the low-speed optical signal into the second type of optical fiber. The receiving assembly includes a receiving end and a light combining chip, the receiving end is configured to restore the serialized optical signal to the coaxial signal, and the light combining chip is arranged on the incident light path of the receiving end and is configured to combine the high-speed optical signal transmitted by the first type of optical fiber and the low-speed optical signal transmitted by the second type of optical fiber into the serialized optical signal.

[0049] Exemplarily, referring to Figure 4 and Figure 5 One of the two optoelectronic conversion modules 100 connected to the end of the optical cable main body 240 (including the optical fiber 210) is the transmitting assembly 110, and the other is the receiving assembly 120. Alternatively, both of the two optoelectronic conversion modules 100 connected to the end of the optical cable main body 240 (including the optical fiber 210) include the transmitting assembly 110 and the receiving assembly 120. In other embodiments, the optoelectronic conversion module 100 can also be arranged only at one end of the optical cable main body 240 (including the optical fiber 210), and not arranged at the other end of the optical cable main body 240 (including the optical fiber 210).

[0050] Figure 6 A schematic view of a vehicle-mounted detection device provided by the embodiment of the utility model, referring to Figure 6 The vehicle-mounted detection device 300 includes the optoelectronic conversion module 100 in the above embodiment. Therefore, at least one end of the vehicle-mounted Ethernet optoelectronic hybrid optical cable 200 can not include the optoelectronic conversion module 100.

[0051] Optionally, the vehicle-mounted detection device 300 includes a camera and / or a radar. The vehicle-mounted detection device 300 is configured to detect the object outside the vehicle by shooting or scanning and the like, and acquire the information of the object outside the vehicle.

[0052] Figure 7 A schematic view of a central control host provided by the embodiment of the utility model. Referring to Figure 7The central control host 400 includes the photoelectric conversion module 100 in the above embodiments. Thus, at least one end of the vehicle-mounted Ethernet optoelectronic hybrid optical cable 200 can not include the photoelectric conversion module 100. The central control host 400 is configured to process the information of the object outside the vehicle obtained by the vehicle-mounted detection device 300. The central control host 400 can also send instructions to the vehicle-mounted detection device 300 to control the working state of the vehicle-mounted detection device 300.

[0053] The utility model embodiment further provides a kind of car, and car includes any of the following: photoelectric conversion module 100 in the above embodiments, vehicle-mounted Ethernet optoelectronic hybrid optical cable 200 in the above embodiments, vehicle-mounted detection device 300 in the above embodiments and central control host 400 in the above embodiments.

[0054] Exemplarily, one end of vehicle-mounted Ethernet optoelectronic hybrid optical cable 200 is connected with vehicle-mounted detection device 300, and the other end of vehicle-mounted Ethernet optoelectronic hybrid optical cable 200 is connected with central control host 400.

[0055] It should be noted that the above are only preferred embodiments of the utility model and the technical principles applied. Those skilled in the art will understand that the utility model is not limited to the specific embodiments described herein, and those skilled in the art can make various obvious changes, re-adjustments, mutual combinations and substitutions without departing from the protection scope of the utility model. Therefore, although the utility model has been described in more detail through the above embodiments, the utility model is not limited to the above embodiments, and can include more other equivalent embodiments without departing from the concept of the utility model, and the scope of the utility model is determined by the appended claims.

Claims

1. A photoelectric conversion module, characterized by comprising: The sending component comprises a sending end and a light splitting chip, the sending end is configured to convert the serialized coaxial signal into a high-speed optical signal and a low-speed optical signal, and the light splitting chip is located on an outgoing light path of the sending end and is configured to spatially separate the high-speed optical signal and the low-speed optical signal for outgoing; The receiving component comprises a receiving end and a light combining chip, the receiving end is configured to restore the serialized optical signal into the coaxial signal, and the light combining chip is arranged on an incoming light path of the receiving end and is configured to combine the high-speed optical signal and the low-speed optical signal into the serialized optical signal. The optical-electric conversion module comprises a sending component and / or a receiving component, and the sending component and / or the receiving component are connected to the end of the optical fiber; 2. A hybrid optical and electrical vehicle Ethernet cable, characterized by, The sending component comprises a sending end and a light splitting chip, the sending end is configured to convert the serialized coaxial signal into a high-speed optical signal and a low-speed optical signal, and the light splitting chip is located on an outgoing light path of the sending end and is configured to spatially separate the high-speed optical signal and the low-speed optical signal for outgoing; The receiving component comprises a receiving end and a light combining chip, the receiving end is configured to restore the serialized optical signal into the coaxial signal, and the light combining chip is arranged on an incoming light path of the receiving end and is configured to combine the high-speed optical signal and the low-speed optical signal into the serialized optical signal. The optical-electric conversion module comprises a sending component and / or a receiving component, and the sending component and / or the receiving component are connected to the end of the optical fiber; The sending component comprises a sending end and a light splitting chip, the sending end is configured to convert the serialized coaxial signal into a high-speed optical signal and a low-speed optical signal, and the light splitting chip is located on an outgoing light path of the sending end and is configured to spatially separate the high-speed optical signal and the low-speed optical signal for outgoing; 3. The hybrid optical and electrical vehicle Ethernet cable of claim 2, wherein, The receiving component comprises a receiving end and a light combining chip, the receiving end is configured to restore the serialized optical signal into the coaxial signal, and the light combining chip is arranged on an incoming light path of the receiving end and is configured to combine the high-speed optical signal and the low-speed optical signal into the serialized optical signal.

4. The hybrid optical and electrical vehicle Ethernet cable of claim 2, wherein, The optical-electric conversion module comprises a sending component and / or a receiving component, and the sending component and / or the receiving component are connected to the end of the optical fiber; 5. The hybrid optical and electrical Ethernet over fiber cable for automotive applications according to claim 2, wherein, The sending component comprises a sending end and a light splitting chip, the sending end is configured to convert the serialized coaxial signal into a high-speed optical signal and a low-speed optical signal, and the light splitting chip is located on an outgoing light path of the sending end and is configured to spatially separate the high-speed optical signal and the low-speed optical signal for outgoing; The receiving component comprises a receiving end and a light combining chip, the receiving end is configured to restore the serialized optical signal into the coaxial signal, and the light combining chip is arranged on an incoming light path of the receiving end and is configured to combine the high-speed optical signal and the low-speed optical signal into the serialized optical signal. The optical-electric conversion module comprises a sending component and / or a receiving component, and the sending component and / or the receiving component are connected to the end of the optical fiber; 6. An on-board probe apparatus characterized by comprising: The sending component comprises a sending end and a light splitting chip, the sending end is configured to convert the serialized coaxial signal into a high-speed optical signal and a low-speed optical signal, and the light splitting chip is located on an outgoing light path of the sending end and is configured to spatially separate the high-speed optical signal and the low-speed optical signal for outgoing; 7. The in-vehicle probe device according to claim 6, characterized by The receiving component comprises a receiving end and a light combining chip, the receiving end is configured to restore the serialized optical signal into the coaxial signal, and the light combining chip is arranged on an incoming light path of the receiving end and is configured to combine the high-speed optical signal and the low-speed optical signal into the serialized optical signal.

8. A headend host, characterized by The optical-electric conversion module comprises a sending component and / or a receiving component, and the sending component and / or the receiving component are connected to the end of the optical fiber; 9. An automobile characterized by comprising: The sending component comprises a sending end and a light splitting chip, the sending end is configured to convert the serialized coaxial signal into a high-speed optical signal and a low-speed optical signal, and the light splitting chip is located on an outgoing light path of the sending end and is configured to spatially separate the high-speed optical signal and the low-speed optical signal for outgoing; The receiving component comprises a receiving end and a light combining chip, the receiving end is configured to restore the serialized optical signal into the coaxial signal, and the light combining chip is arranged on an incoming light path of the receiving end and is configured to combine the high-speed optical signal and the low-speed optical signal into the serialized optical signal. ​ ​ ​

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