CN114844563A - Optical cable testing device and method - Google Patents
Optical cable testing device and method Download PDFInfo
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- 238000012360 testing method Methods 0.000 title claims abstract description 179
- 230000003287 optical effect Effects 0.000 title claims abstract description 164
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 72
- 238000001816 cooling Methods 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
- H04N21/43635—HDMI
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Abstract
The disclosure relates to an optical cable testing device and method. The method comprises the following steps: the control module is used for generating a transmission rate test instruction according to the test requirement; the channel associated clock signal transmitting module is used for generating a channel associated clock signal according to the transmission rate test instruction and transmitting the channel associated clock signal to the HDMI rate signal transmitting module; the HDMI rate signal transmitting module is used for generating a transmitting test optical signal corresponding to the indication rate in the transmission rate test instruction according to the transmission rate test instruction sent by the control module and the received channel associated clock signal, transmitting test light to the optical cable to be tested according to the transmitting test optical signal and synchronously sending the channel associated clock signal; the HDMI rate signal receiving module is used for receiving test light and a channel associated clock signal transmitted by an optical cable to be tested; the control module is also used for determining whether the optical cable to be tested meets the required transmission rate or not according to the received test optical signal, the associated clock signal and the length of the optical cable to be tested, so as to obtain a test result.
Description
Technical Field
The disclosure relates to the technical field of optical cable testing, in particular to an optical cable testing device and method.
Background
An 8K television needs to be adapted to an HDMI (High Definition Multimedia Interface) cable or optical cable with a bandwidth larger than that required by other definitions, generally, HDMI2.1 (8K High Definition content) transmission is realized, a specially-customized cable or optical cable needs to be used to ensure signal quality, and an active optical cable is needed for a transmission distance exceeding 10 meters, which causes the copper wire to be greatly limited in use.
In related scenes, long-distance signal transmission is carried out through an 8K AOC HDMI2.1 optical fiber HDMI line, and the 8K AOC HDMI2.1 optical fiber HDMI line has optical fiber light speed lossless transmission and is free of fear of electromagnetic radiation interference resistance; ultra-long 30M transmission and the like. However, the tester used for testing the cable can only test the on-off state of each signal line in the cable, and cannot test whether data can really transmit high-definition content or not, and whether the data bandwidth can reach the speed required by 8K or not, so that the high-definition multimedia interface cable is low in testing convenience.
Disclosure of Invention
Therefore, it is necessary to provide an optical cable testing apparatus and method for solving the problem of low convenience in testing high-definition multimedia interface cables.
In a first aspect of the present disclosure, an optical cable testing apparatus is provided, including:
the device comprises an HDMI rate signal transmitting module, a control module connected with the HDMI rate signal transmitting module, an HDMI rate signal receiving module connected with the control module, and a channel associated clock signal transmitting module connected with the control module and the HDMI rate signal transmitting module;
the control module is used for generating a transmission rate test instruction according to a test requirement of the optical cable to be tested, which is input by a user, under the condition that the conduction performance of the optical cable to be tested is determined to be good, wherein the test requirement comprises the length of the optical cable to be tested and a required transmission rate;
the associated clock signal transmitting module is used for generating an associated clock signal according to the transmission rate test instruction sent by the control module and sending the associated clock signal to the HDMI rate signal transmitting module;
the HDMI rate signal transmitting module is used for generating a transmitting test optical signal corresponding to the indication rate in the transmission rate test instruction according to the transmission rate test instruction sent by the control module and the received channel associated clock signal, transmitting test light to the optical cable to be tested according to the transmitting test optical signal and synchronously sending the channel associated clock signal;
the HDMI rate signal receiving module is used for receiving the test light transmitted by the optical cable to be tested and the associated clock signal;
the control module is further configured to determine whether the optical cable to be tested meets the required transmission rate according to the received test optical signal, the associated clock signal, and the length of the optical cable to be tested, so as to obtain a test result.
In one embodiment, the HDMI rate signal transmitting module is configured with at least one channel of signal generating and error code detecting port, a rate-adjustable signal transmitting port, an optical module high-speed radio frequency port, and a channel associated clock signal transmitting port;
the at least one path of signal generation and error code detection port, the speed adjustable signal emission port and the optical module high-speed radio frequency port are all used for being connected with the optical cable to be tested, and the associated clock signal emission port is used for being connected with the associated clock signal emission module.
In one embodiment, the optical cable testing device comprises a heat dissipation fan, wherein the heat dissipation fan is in communication connection with the control module;
the control module is used for determining a first rotating speed of the cooling fan according to a first operating power of the HDMI rate signal transmitting module, a second operating power of the associated clock signal transmitting module and a third operating power of the HDMI rate signal receiving module;
determining the required rotating speed of the cooling fan according to a preset rotating speed calibration table and the first rotating speed;
and controlling the cooling fan to work according to the required rotating speed.
In one embodiment, the optical cable testing device comprises a display screen, the display screen is in communication connection with the control module, and the display screen is used for displaying the on-off and transmission rate of the optical cable to be tested.
In one embodiment, the step of generating, according to the received associated clock signal, an emission test optical signal corresponding to an indication rate in the transmission rate test instruction includes:
generating a transmitting test optical signal with a corresponding indication rate of 6 Gbps according to the received associated clock signal; alternatively, the first and second electrodes may be,
and generating a transmitting test optical signal with a corresponding indication rate of 12 Gbps according to the received associated clock signal.
In one embodiment, the optical cable testing device comprises a control signal transmitting module and a control signal receiving module, wherein the control signal transmitting module and the control signal receiving module are both connected with the control module;
the control module is used for determining whether the optical cable to be tested has good conduction performance based on the control signal transmitted by the control signal transmitting module and the control signal received by the control signal receiving module.
In a second aspect of the present disclosure, a method for testing an optical cable is provided, including:
under the condition that the optical cable to be tested is determined not to be broken, generating a transmission rate test instruction according to test requirements of the optical cable to be tested input by a user, wherein the test requirements comprise the length of the optical cable to be tested and a required transmission rate;
generating a channel associated clock signal according to a transmission rate test instruction sent by the control module, and sending the channel associated clock signal to the HDMI rate signal transmitting module;
generating an emission test optical signal corresponding to the indication rate in the transmission rate test instruction according to the transmission rate test instruction sent by the control module and the received associated clock signal, emitting test light to the optical cable to be tested according to the emission test optical signal, and synchronously sending the associated clock signal;
receiving test light transmitted by the optical cable to be tested and the associated clock signal;
and determining whether the optical cable to be tested meets the required transmission rate or not according to the received test optical signal, the associated clock signal and the length of the optical cable to be tested to obtain a test result.
In one embodiment, the method comprises:
determining a first rotating speed of a cooling fan according to a first operating power of the HDMI rate signal transmitting module, a second operating power of the associated clock signal transmitting module and a third operating power of the HDMI rate signal receiving module;
determining the required rotating speed of the cooling fan according to a preset rotating speed calibration table and the first rotating speed;
and controlling the cooling fan to work according to the required rotating speed.
In one embodiment, the step of generating, according to the received associated clock signal, an emission test optical signal corresponding to an indication rate in the transmission rate test instruction includes:
generating a transmitting test optical signal with a corresponding indication rate of 6 Gbps according to the received associated clock signal; alternatively, the first and second electrodes may be,
and generating a transmitting test optical signal with a corresponding indication rate of 12 Gbps according to the received associated clock signal.
The optical cable testing device at least can achieve the following technical effects: generating a transmission rate test instruction according to a test requirement of the optical cable to be tested input by a user under the condition that the optical cable to be tested is determined not to be broken, wherein the test requirement comprises the length of the optical cable to be tested and a required transmission rate; generating a channel associated clock signal according to a transmission rate test instruction sent by the control module, and sending the channel associated clock signal to the HDMI rate signal transmitting module; generating an emission test optical signal corresponding to the indication rate in the transmission rate test instruction according to the transmission rate test instruction sent by the control module and the received associated clock signal, emitting test light to the optical cable to be tested according to the emission test optical signal, and synchronously sending the associated clock signal; receiving test light transmitted by the optical cable to be tested and the associated clock signal; and determining whether the optical cable to be tested meets the required transmission rate or not according to the received test optical signal, the associated clock signal and the length of the optical cable to be tested to obtain a test result, wherein the performance of the high-frequency cable can be tested while the function of the cable is tested, and the performance of the hybrid optical cable can be tested while the function of the cable is tested. The applicability of the optical cable testing device is improved, and therefore the convenience of optical cable testing is improved.
Drawings
FIG. 1 is a flow chart of a cable testing method according to one embodiment.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present disclosure more comprehensible, embodiments accompanying the present disclosure are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure. This disclosure may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
According to this optical cable testing arrangement that this disclosure provides, the device includes:
the device comprises an HDMI rate signal transmitting module, a control module connected with the HDMI rate signal transmitting module, an HDMI rate signal receiving module connected with the control module, and a channel associated clock signal transmitting module connected with the control module and the HDMI rate signal transmitting module;
the control module is used for generating a transmission rate test instruction according to a test requirement of the optical cable to be tested, which is input by a user, under the condition that the conduction performance of the optical cable to be tested is determined to be good, wherein the test requirement comprises the length of the optical cable to be tested and a required transmission rate;
the associated clock signal transmitting module is used for generating an associated clock signal according to the transmission rate test instruction sent by the control module and sending the associated clock signal to the HDMI rate signal transmitting module;
the HDMI rate signal transmitting module is used for generating a transmitting test optical signal corresponding to the indication rate in the transmission rate test instruction according to the transmission rate test instruction sent by the control module and the received channel associated clock signal, transmitting test light to the optical cable to be tested according to the transmitting test optical signal and synchronously sending the channel associated clock signal;
the HDMI rate signal receiving module is used for receiving the test light transmitted by the optical cable to be tested and the associated clock signal;
the control module is further configured to determine whether the optical cable to be tested meets the required transmission rate according to the received test optical signal, the associated clock signal, and the length of the optical cable to be tested, so as to obtain a test result.
According to the technical scheme, under the condition that the optical cable to be tested is determined not to be broken, a transmission rate test instruction is generated according to test requirements of the optical cable to be tested, which are input by a user, wherein the test requirements comprise the length of the optical cable to be tested and a required transmission rate; generating a channel associated clock signal according to a transmission rate test instruction sent by the control module, and sending the channel associated clock signal to the HDMI rate signal transmitting module; generating an emission test optical signal corresponding to the indication rate in the transmission rate test instruction according to the transmission rate test instruction sent by the control module and the received associated clock signal, emitting test light to the optical cable to be tested according to the emission test optical signal, and synchronously sending the associated clock signal; receiving test light transmitted by the optical cable to be tested and the associated clock signal; and determining whether the optical cable to be tested meets the required transmission rate or not according to the received test optical signal, the associated clock signal and the length of the optical cable to be tested to obtain a test result, wherein the performance of the high-frequency cable can be tested while the function of the cable is tested, and the performance of the hybrid optical cable can be tested while the function of the cable is tested. The applicability of the optical cable testing device is improved, and therefore the convenience of optical cable testing is improved.
In one embodiment, the HDMI rate signal transmitting module is configured with at least one channel of signal generating and error code detecting port, a rate-adjustable signal transmitting port, an optical module high-speed radio frequency port, and a channel associated clock signal transmitting port;
the at least one path of signal generation and error code detection port, the speed adjustable signal emission port and the optical module high-speed radio frequency port are all used for being connected with the optical cable to be tested, and the associated clock signal emission port is used for being connected with the associated clock signal emission module.
In one embodiment, the optical cable testing device comprises a heat dissipation fan, wherein the heat dissipation fan is in communication connection with the control module;
the control module is used for determining a first rotating speed of the cooling fan according to a first operating power of the HDMI speed signal transmitting module, a second operating power of the associated clock signal transmitting module and a third operating power of the HDMI speed signal receiving module;
determining the required rotating speed of the cooling fan according to a preset rotating speed calibration table and the first rotating speed;
and controlling the cooling fan to work according to the required rotating speed.
In one embodiment, the optical cable testing device comprises a display screen, the display screen is in communication connection with the control module, and the display screen is used for displaying the on-off and transmission rate of the optical cable to be tested.
In one embodiment, the step of generating, according to the received associated clock signal, an emission test optical signal corresponding to an indication rate in the transmission rate test instruction includes:
generating a transmitting test optical signal with a corresponding indication rate of 6 Gbps according to the received associated clock signal; alternatively, the first and second electrodes may be,
and generating a transmitting test optical signal with a corresponding indication rate of 12 Gbps according to the received associated clock signal.
In one embodiment, the optical cable testing device comprises a control signal transmitting module and a control signal receiving module, wherein the control signal transmitting module and the control signal receiving module are both connected with the control module;
the control module is used for determining whether the optical cable to be tested has good conduction performance based on the control signal transmitted by the control signal transmitting module and the control signal received by the control signal receiving module.
Based on the same concept, the present disclosure also provides an optical cable testing method, including the following steps:
in step S11, under the condition that it is determined that the optical cable to be tested is not broken, generating a transmission rate test instruction according to a test requirement of the optical cable to be tested, which is input by a user, where the test requirement includes a length of the optical cable to be tested and a required transmission rate;
in step S12, according to the transmission rate test instruction sent by the control module, a channel associated clock signal is generated, and the channel associated clock signal is sent to the HDMI rate signal transmitting module;
in step S13, according to the transmission rate test instruction sent by the control module, according to the received channel associated clock signal, generating an emission test optical signal corresponding to the indication rate in the transmission rate test instruction, and according to the emission test optical signal, emitting test light to the optical cable to be tested, and synchronously sending the channel associated clock signal;
in step S14, receiving the test light transmitted through the optical cable to be tested and the associated clock signal;
in step S15, determining whether the optical cable to be tested satisfies the required transmission rate according to the received test optical signal, the associated clock signal, and the length of the optical cable to be tested, so as to obtain a test result.
According to the technical scheme, under the condition that the optical cable to be tested is determined not to be broken, a transmission rate test instruction is generated according to test requirements of the optical cable to be tested, which are input by a user, wherein the test requirements comprise the length of the optical cable to be tested and a required transmission rate; generating a channel associated clock signal according to a transmission rate test instruction sent by the control module, and sending the channel associated clock signal to the HDMI rate signal transmitting module; generating an emission test optical signal corresponding to the indication rate in the transmission rate test instruction according to the transmission rate test instruction sent by the control module and the received associated clock signal, emitting test light to the optical cable to be tested according to the emission test optical signal, and synchronously sending the associated clock signal; receiving test light transmitted by the optical cable to be tested and the associated clock signal; and determining whether the optical cable to be tested meets the required transmission rate or not according to the received test optical signal, the associated clock signal and the length of the optical cable to be tested to obtain a test result, wherein the performance of the high-frequency cable can be tested while the function of the cable is tested, and the performance of the hybrid optical cable can be tested while the function of the cable is tested. The applicability of the optical cable testing device is improved, and therefore the convenience of optical cable testing is improved.
In one embodiment, the method comprises:
determining a first rotating speed of a cooling fan according to a first operating power of the HDMI rate signal transmitting module, a second operating power of the associated clock signal transmitting module and a third operating power of the HDMI rate signal receiving module;
determining the required rotating speed of the cooling fan according to a preset rotating speed calibration table and the first rotating speed;
and controlling the cooling fan to work according to the required rotating speed.
In one embodiment, the step of generating, according to the received associated clock signal, an emission test optical signal corresponding to an indication rate in the transmission rate test instruction includes:
generating a transmitting test optical signal with a corresponding indication rate of 6 Gbps according to the received associated clock signal; alternatively, the first and second electrodes may be,
and generating a transmitting test optical signal with a corresponding indication rate of 12 Gbps according to the received associated clock signal.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-described embodiments are merely illustrative of several embodiments of the present disclosure, which are described in more detail and detailed, but are not to be construed as limiting the scope of the disclosure. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the concept of the present disclosure, and these changes and modifications are all within the scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the appended claims.
Claims (9)
1. An optical cable testing device, comprising:
the device comprises an HDMI rate signal transmitting module, a control module connected with the HDMI rate signal transmitting module, an HDMI rate signal receiving module connected with the control module, and a channel associated clock signal transmitting module connected with the control module and the HDMI rate signal transmitting module;
the control module is used for generating a transmission rate test instruction according to a test requirement of the optical cable to be tested, which is input by a user, under the condition that the conduction performance of the optical cable to be tested is determined to be good, wherein the test requirement comprises the length of the optical cable to be tested and a required transmission rate;
the associated clock signal transmitting module is used for generating an associated clock signal according to the transmission rate test instruction sent by the control module and sending the associated clock signal to the HDMI rate signal transmitting module;
the HDMI rate signal transmitting module is used for generating a transmitting test optical signal corresponding to the indication rate in the transmission rate test instruction according to the transmission rate test instruction sent by the control module and the received channel associated clock signal, transmitting test light to the optical cable to be tested according to the transmitting test optical signal and synchronously sending the channel associated clock signal;
the HDMI rate signal receiving module is used for receiving the test light transmitted by the optical cable to be tested and the associated clock signal;
the control module is further configured to determine whether the optical cable to be tested meets the required transmission rate according to the received test optical signal, the associated clock signal, and the length of the optical cable to be tested, so as to obtain a test result.
2. The device of claim 1, wherein the HDMI rate signal transmitting module is configured with at least one signal generating and error detecting port, a rate-adjustable signal transmitting port, an optical module high-speed rf port, and a channel associated clock signal transmitting port;
the at least one path of signal generation and error code detection port, the speed adjustable signal emission port and the optical module high-speed radio frequency port are all used for being connected with the optical cable to be tested, and the associated clock signal emission port is used for being connected with the associated clock signal emission module.
3. The apparatus of claim 1, wherein the fiber optic cable testing device includes a heat sink fan communicatively coupled to the control module;
the control module is used for determining a first rotating speed of the cooling fan according to a first operating power of the HDMI rate signal transmitting module, a second operating power of the associated clock signal transmitting module and a third operating power of the HDMI rate signal receiving module;
determining the required rotating speed of the cooling fan according to a preset rotating speed calibration table and the first rotating speed;
and controlling the cooling fan to work according to the required rotating speed.
4. The device of claim 1, wherein the optical cable testing device comprises a display screen, the display screen is in communication connection with the control module, and the display screen is used for displaying the on-off state and the transmission rate of the optical cable to be tested.
5. The apparatus of claim 1, wherein the step of generating the emission test optical signal corresponding to the indication rate in the transmission rate test command according to the received associated clock signal comprises:
generating a transmitting test optical signal with a corresponding indication rate of 6 Gbps according to the received associated clock signal; alternatively, the first and second electrodes may be,
and generating a transmitting test optical signal with a corresponding indication rate of 12 Gbps according to the received associated clock signal.
6. The device according to any one of claims 1 to 5, wherein the optical cable testing device comprises a control signal transmitting module and a control signal receiving module, and the control signal transmitting module and the control signal receiving module are both connected with the control module;
the control module is used for determining whether the optical cable to be tested has good conduction performance based on the control signal transmitted by the control signal transmitting module and the control signal received by the control signal receiving module.
7. An optical cable testing method, comprising:
under the condition that the optical cable to be tested is determined not to be broken, generating a transmission rate test instruction according to test requirements of the optical cable to be tested input by a user, wherein the test requirements comprise the length of the optical cable to be tested and a required transmission rate;
generating a channel associated clock signal according to a transmission rate test instruction sent by a control module, and sending the channel associated clock signal to an HDMI rate signal transmitting module;
generating an emission test optical signal corresponding to the indication rate in the transmission rate test instruction according to the transmission rate test instruction sent by the control module and the received associated clock signal, emitting test light to the optical cable to be tested according to the emission test optical signal, and synchronously sending the associated clock signal;
receiving test light transmitted by the optical cable to be tested and the associated clock signal;
and generating a receiving test optical signal according to the received test light, and determining whether the optical cable to be tested meets the required transmission rate or not according to the receiving test optical signal, the associated clock signal and the length of the optical cable to be tested to obtain a test result.
8. The method of claim 7, wherein the method comprises:
determining a first rotating speed of the cooling fan according to the first operating power of the HDMI rate signal transmitting module, the second operating power of the associated clock signal transmitting module and the third operating power of the HDMI rate signal receiving module;
determining the required rotating speed of the cooling fan according to a preset rotating speed calibration table and the first rotating speed;
and controlling the cooling fan to work according to the required rotating speed.
9. The method of claim 7 or 8, wherein the step of generating the emission test optical signal corresponding to the rate indicated in the transmission rate test instruction according to the received associated clock signal comprises:
generating a transmitting test optical signal with a corresponding indication rate of 6 Gbps according to the received associated clock signal; alternatively, the first and second electrodes may be,
and generating a transmitting test optical signal with a corresponding indication rate of 12 Gbps according to the received associated clock signal.
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| CN114006631A (en) * | 2021-09-17 | 2022-02-01 | 苏州浪潮智能科技有限公司 | Cable testing device and method based on code pattern signal verification |
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