CN114764170A - Method and device with health record function and optical module - Google Patents
Method and device with health record function and optical module Download PDFInfo
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- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
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Abstract
The application discloses a method, a device and an optical module with a health record function. The method comprises the steps of collecting environment signals of different functional blocks in an optical module, converting analog quantity of the environment signals into digital quantity, caching the digital quantity, comparing the collected environment data with a preset environment standard threshold value, generating a corresponding mark value according to a comparison result, coding the environment data to produce coding information, and writing the coding information into a storage chip. After the optical module is abnormal, the coded information stored in the storage chip can be read through the main control chip according to the abnormal time recorded in the upper computer, and the problem is quickly positioned. The problem of among the prior art because of the bad positioning analysis of the unusual reason of module after environmental parameter resumes is solved.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method and an apparatus for a health record function, and an optical module.
Background
The optical module is used as a core component of optical fiber communication, bears the burden of mutual conversion of electrical signals and optical signals, and truly realizes networking interconnection between optical equipment and electrical equipment. Meanwhile, the key role of the optical module also determines the changeable application scene and the wide application range, and the environmental difference of different application scenes is larger. When the module works normally, the product performance is abnormal or even fails due to large variation of temperature or humidity.
Among the parameters required to be monitored by the existing optical module protocol, only the real-time monitoring of the parameters such as module temperature, power supply voltage, bias (drive) current, transmitting optical power, receiving optical power and the like is performed, and the relevant record is not performed on the operating environment of the optical module.
Disclosure of Invention
The application provides a method and a device with a health record function and an optical module, which are used for recording the operating environment of the optical module.
In order to solve the technical problem, the embodiment of the application discloses the following technical scheme:
in a first aspect, an embodiment of the present application discloses a method with a health record function, including:
setting an environment standard threshold;
collecting environmental signals of different functional blocks in an optical module;
the main control chip receives the environment signal, converts the environment signal into environment data, compares the environment data with the environment standard threshold, codes the environment data according to the comparison condition to generate coding information, and writes the coding information into a storage chip;
and reading the coding information in the storage chip by using a main control chip.
In a second aspect, an embodiment of the present application discloses an apparatus with a health record function, including: the environment threshold setting module is used for inputting an environment standard threshold;
the information acquisition module is used for acquiring environmental signals of different functional blocks in the optical module;
the main control chip is used for receiving the environment signal, converting the environment signal into environment data, pre-storing the environment data, comparing the environment data with the environment standard threshold value, and encoding the environment data according to the comparison condition to generate encoding information;
and the storage chip is in communication connection with the main control chip and is used for storing the coding information.
In a third aspect, an embodiment of the present application discloses an optical module, including: a circuit board;
the circuit board is provided with:
the humidity chip is arranged close to the laser and used for acquiring the humidity value of the laser;
the thermistors are arranged at different positions of the circuit board and are used for acquiring temperature analog quantity inside the optical module;
the main control chip is connected with the humidity chip through an IIC bus,
the main control chip is connected with the thermistor through an ADC (analog-to-digital converter) interface, converts the temperature analog quantity into a temperature value, pre-stores the temperature value and the humidity value, compares the temperature value and the humidity value with an environmental standard threshold value, and encodes the digital quantity to generate encoding information;
and the storage chip is in communication connection with the main control chip and is used for writing and reading the coded information.
Compared with the prior art, the beneficial effect of this application is:
the application discloses a method, a device and an optical module with a health record function. The method comprises the steps of collecting environment signals of different functional blocks in an optical module, converting analog quantity of the environment signals into digital quantity, caching the digital quantity, comparing the collected environment data with a preset environment standard threshold value, generating a corresponding mark value according to a comparison result, coding the environment data to produce coding information, and writing the coding information into a storage chip. After the optical module is abnormal, the coded information stored in the storage chip can be read through the main control chip according to the abnormal time recorded in the upper computer, and the problem is quickly positioned. The problem of among the prior art because of the environmental parameter is good positioning analysis to the unusual reason of module after recovering to normal is solved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a connection relationship of an optical communication terminal;
fig. 2 is a schematic structural diagram of an optical network terminal;
fig. 3 is a schematic structural diagram of an optical module according to an embodiment of the present application;
fig. 4 is an exploded schematic view of an optical module according to an embodiment of the present disclosure;
fig. 5 is a schematic diagram of a device with a health record function according to an embodiment of the present application.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. 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 application.
One of the core links of optical fiber communication is the interconversion of optical and electrical signals. The optical fiber communication uses optical signals carrying information to transmit in information transmission equipment such as optical fibers/optical waveguides, and the information transmission with low cost and low loss can be realized by using the passive transmission characteristic of light in the optical fibers/optical waveguides; meanwhile, the information processing device such as a computer uses an electric signal, and in order to establish information connection between the information transmission device such as an optical fiber or an optical waveguide and the information processing device such as a computer, it is necessary to perform interconversion between the electric signal and the optical signal.
The optical module realizes the function of interconversion of optical signals and electrical signals in the technical field of optical fiber communication, and the interconversion of the optical signals and the electrical signals is the core function of the optical module. The optical module is electrically connected with an external upper computer through a golden finger on an internal circuit board of the optical module, and the main electrical connection comprises power supply, I2C signals, data signals, grounding and the like; the electrical connection mode realized by the gold finger has become the mainstream connection mode of the optical module industry, and on the basis of the mainstream connection mode, the definition of the pin on the gold finger forms various industry protocols/specifications.
Fig. 1 is a schematic diagram of connection relationship of an optical communication terminal. As shown in fig. 1, the connection of the optical communication terminal mainly includes the interconnection among the optical network terminal 100, the optical module 200, the optical fiber 101 and the network cable 103;
one end of the optical fiber 101 is connected with a far-end server, one end of the network cable 103 is connected with local information processing equipment, and the connection between the local information processing equipment and the far-end server is completed by the connection between the optical fiber 101 and the network cable 103; and the connection between the optical fiber 101 and the network cable 103 is made by the optical network terminal 100 having the optical module 200.
An optical port of the optical module 200 is externally accessed to the optical fiber 101, and establishes bidirectional optical signal connection with the optical fiber 101; an electrical port of the optical module 200 is externally connected to the optical network terminal 100, and establishes bidirectional electrical signal connection with the optical network terminal 100; the optical module realizes the interconversion of optical signals and electric signals, thereby realizing the establishment of information connection between the optical fiber and the optical network terminal; specifically, the optical signal from the optical fiber is converted into an electrical signal by the optical module and then input to the optical network terminal 100, and the electrical signal from the optical network terminal 100 is converted into an optical signal by the optical module and input to the optical fiber.
The optical network terminal is provided with an optical module interface 102, which is used for accessing the optical module 200 and establishing bidirectional electric signal connection with the optical module 200; the optical network terminal is provided with a network cable interface 104, which is used for accessing the network cable 103 and establishing bidirectional electric signal connection with the network cable 103; the optical module 200 is connected to the network cable 103 through the optical network terminal 100, specifically, the optical network terminal transmits a signal from the optical module to the network cable and transmits the signal from the network cable to the optical module, and the optical network terminal serves as an upper computer of the optical module to monitor the operation of the optical module.
At this point, a bidirectional signal transmission channel is established between the remote server and the local information processing device through the optical fiber, the optical module, the optical network terminal and the network cable.
Common information processing apparatuses include routers, switches, electronic computers, and the like; the optical network terminal is an upper computer of the optical module, provides data signals for the optical module, and receives the data signals from the optical module.
Fig. 2 is a schematic diagram of an optical network terminal structure. As shown in fig. 2, the optical network terminal 100 has a circuit board 105, and a cage 106 is disposed on a surface of the circuit board 105; an electric connector is arranged in the cage 106 and used for connecting optical module electric ports such as golden fingers; the cage 106 is provided with a heat sink 107, and the heat sink 107 has a projection such as a fin for increasing a heat radiation area.
The optical module 200 is inserted into the onu, specifically, the electrical port of the optical module is inserted into the electrical connector inside the cage 106, and the optical port of the optical module is connected to the optical fiber 101.
The cage 106 is positioned on the circuit board, and the electrical connector on the circuit board is wrapped in the cage, so that the electrical connector is arranged in the cage; the optical module is inserted into the cage, held by the cage, and the heat generated by the optical module is conducted to the cage 106 and then diffused by the heat sink 107 on the cage.
Fig. 3 is a schematic diagram of an optical module according to an embodiment of the present invention, and fig. 4 is a schematic diagram of an optical module according to an embodiment of the present invention. As shown in fig. 3 and 4, an optical module 200 according to an embodiment of the present invention includes an upper housing 201, a lower housing 202, an unlocking member 203, a circuit board 300, and an optical transceiver.
The upper shell 201 is covered on the lower shell 202 to form a wrapping cavity with two openings; the outer contour of the wrapping cavity is generally a square body, and specifically, the lower shell comprises a main plate and two side plates which are positioned on two sides of the main plate and are perpendicular to the main plate; the upper shell comprises a cover plate, and the cover plate covers two side plates of the upper shell to form a wrapping cavity; the upper shell can also comprise two side walls which are positioned at two sides of the cover plate and are perpendicular to the cover plate, and the two side walls are combined with the two side plates to realize that the upper shell covers the lower shell.
The two openings may be two ends (204, 205) in the same direction, or two openings in different directions; one opening is an electric port 204, and a gold finger of the circuit board extends out of the electric port 204 and is inserted into an upper computer such as an optical network terminal; the other opening is an optical port 205 for external optical fiber access to connect with an optical transceiver inside the optical module; the photoelectric devices such as the circuit board 300 and the optical transceiver are positioned in the packaging cavity.
The assembly mode of combining the upper shell and the lower shell is adopted, so that devices such as a circuit board, an optical transceiver module and the like can be conveniently installed in the shells, and the upper shell and the lower shell form an outermost packaging protection shell of the module; the upper shell and the lower shell are made of metal materials, electromagnetic shielding and heat dissipation are achieved, the shell of the optical module cannot be made into an integral component, and therefore when devices such as a circuit board are assembled, the positioning component, the heat dissipation component and the electromagnetic shielding component cannot be installed, and production automation is not facilitated. The unlocking member 500 is located on the outer wall of the package cavity/lower housing 202, and is used to realize the fixed connection between the optical module and the upper computer or release the fixed connection between the optical module and the upper computer.
The unlocking component 203 is provided with a clamping component matched with the upper computer cage; the end of the unlocking component can be pulled to enable the unlocking component to move relatively on the surface of the outer wall; the optical module is inserted into a cage of the upper computer, and the optical module is fixed in the cage of the upper computer by a clamping component of the unlocking component; by pulling the unlocking component, the clamping component of the unlocking component moves along with the unlocking component, so that the connection relation between the clamping component and the upper computer is changed, the clamping relation between the optical module and the upper computer is released, and the optical module can be drawn out from the cage of the upper computer. The circuit board is provided with circuit wiring, electronic elements (such as a capacitor, a resistor, a triode and an MOS tube) and chips (such as a main control chip, a laser driving chip, an amplitude limiting amplification chip, a clock data recovery CDR, a power management chip and a data processing chip DSP) and the like.
The circuit board connects the electrical appliances in the optical module together according to the circuit design through circuit wiring to realize the functions of power supply, electrical signal transmission, grounding and the like.
The circuit board is generally a hard circuit board, and the hard circuit board can also realize a bearing effect due to the relatively hard material of the hard circuit board, for example, the hard circuit board can stably bear a chip; when the optical transceiver component is positioned on the circuit board, the rigid circuit board can also provide stable bearing; the hard circuit board can also be inserted into an electric connector in the upper computer cage, and specifically, a metal pin/golden finger is formed on the surface of the tail end of one side of the hard circuit board and is used for being connected with the electric connector; these are not easily implemented with flexible circuit boards.
A flexible circuit board is also used in a part of the optical module to supplement a rigid circuit board; the flexible circuit board is generally used in combination with a rigid circuit board, for example, the rigid circuit board may be connected to the optical transceiver module by using the flexible circuit board.
The optical transceiver component comprises an optical transmitter and an optical receiver, which are respectively used for transmitting optical signals and receiving optical signals. The light emitting device generally comprises a laser, a lens and a light detector, wherein the lens and the light detector are respectively positioned on different sides of the light emitter, light beams are respectively emitted from the front side and the back side of the laser, and the lens is used for converging the light beams emitted from the front side of the laser, so that the light beams emitted from the laser are converging light and are conveniently coupled to an external optical fiber; the optical detector is used for receiving the light beam emitted by the opposite side of the optical emitter so as to detect the optical power of the laser. Specifically, light emitted by the laser enters the optical fiber after being converged by the lens, and meanwhile, the light detector detects the light emitting power of the laser so as to ensure the constancy of the light emitting power of the laser.
Fig. 5 is a schematic diagram of a device with a health record function according to an embodiment of the present application, and as shown in fig. 5, the embodiment of the present application provides a device with a health record function, including:
and the environment threshold setting module is used for inputting an environment standard threshold. The module can set an environmental standard threshold value according to different types of the optical modules. Further, in some embodiments, the environmental criteria threshold includes: an upper limit voltage threshold, a lower limit voltage threshold, an upper limit temperature threshold, a lower limit temperature threshold, and a humidity threshold.
And the information acquisition module is used for acquiring environment signals of different functional blocks in the optical module. In some embodiments, the information collection module comprises: and the humidity acquisition unit is configured to acquire humidity analog quantity inside the optical module and transmit the humidity analog quantity to the main control chip. And the temperature acquisition unit is configured to acquire the temperature analog quantity inside the optical module and transmit the temperature analog quantity to the main control chip. The voltage acquisition unit is configured to acquire a voltage value inside an optical module and transmit the voltage value to the main control chip. And the main control chip is used for receiving the environment signal, converting the environment signal into environment data, pre-storing the environment data, comparing the environment data with an environment standard threshold value, and encoding the environment data according to the comparison condition to generate encoding information. And the storage chip is in communication connection with the main control chip and is used for storing the coding information.
In some embodiments, a plurality of humidity chips may be disposed on the circuit board for collecting humidity signals at different locations. Because the performance of the laser directly influences the optical power of the optical module, the humidity chip can be arranged at a position close to the laser and is used for collecting the humidity of the operating environment of the laser. The main control chip is connected with the humidity chip through the IIC bus and receives the humidity value collected by the humidity chip. The humidity chip can acquire humidity analog quantity and can also convert the humidity analog quantity into a humidity value.
In some embodiments, the circuit board may have a plurality of thermistors disposed thereon, respectively at different locations of the circuit board. Generally, the temperature sensors can be respectively disposed beside the light emitting module, the light receiving module, the laser driving chip and the data processing chip to collect temperature signals of the light emitting module, the light receiving module, the laser driving chip and the data processing chip.
In order to realize the tracing of the signals, the main control chip simultaneously records the data acquisition time when receiving the data. Data acquisition is usually carried out at regular intervals, and in order to avoid overlong data interval time, the interval time can be set to be 3-5 seconds.
In some embodiments, to facilitate data tracing, collected environmental data at different locations is marked to distinguish. Such as: the temperature value of the light emitting component is marked as W1, the temperature value of the light receiving component is marked as W2, the temperature value of the laser driving chip is marked as W3, and the temperature value position of the data processing chip is marked as W4. The position marks of the humidity value and the voltage value can also be marked by referring to the coding mode, the marks of various data in the application are only used as a distinguishing mode of the position, the specific marking mode is not limited, and other marks can also be explained below.
In some embodiments, the master control chip comprises: and the analog-to-digital conversion circuit is used for receiving the analog quantity of the environment signal and converting the analog quantity of the environment signal into a digital value. And comparison logic configured to compare the environmental measurement value with an environmental standard threshold value and encode the environmental standard threshold value to generate encoded information. A storage unit for pre-storing the digital value. An interface for writing to or reading from a location of the memory chip.
Comparing the environmental data with an environmental standard threshold, and encoding according to the environmental standard threshold to generate encoded information includes: and coding the environmental data to produce coded information by comparing the acquired environmental data with a preset environmental standard threshold and generating a corresponding mark value according to a comparison result. Typically, a certain set of data includes: time, environmental data, and flag values are collected. Wherein the flag values include: a temperature flag, a humidity flag, and a voltage flag; the environmental data includes: the temperature value, the humidity value and the voltage value are all digital values.
In some embodiments, the environmental criteria threshold includes: an upper limit voltage threshold, a lower limit voltage threshold, an upper limit temperature threshold, a lower limit temperature threshold, and a humidity threshold. If the acquired temperature value is greater than or equal to the upper limit temperature threshold value, generating a Tg mark as a temperature mark to indicate that the temperature in the optical module is high; if the collected temperature value is less than or equal to the lower limit temperature threshold value, a Td mark is generated as a temperature mark to indicate that the temperature in the optical module is low; and if the acquired temperature value is smaller than the upper limit temperature threshold and larger than the lower limit temperature threshold, generating a Tz mark as a temperature mark to indicate that the internal temperature of the optical module is proper.
And if the collected humidity value is greater than or equal to the humidity threshold value, generating an Hg mark as a humidity mark, and indicating that the humidity inside the optical module is high. And if the collected humidity value is smaller than the humidity threshold value, generating an Hd mark as a humidity mark to indicate that the humidity in the optical module is proper.
The voltage value acquired by the voltage acquisition unit comprises the input voltage of the laser driving chip, and if the acquired voltage value is greater than or equal to the upper limit voltage threshold, a Ug mark is generated as a voltage mark to indicate that the voltage in the optical module is high; if the acquired voltage value is less than or equal to the lower limit voltage threshold, generating a Ud mark as a voltage mark to indicate that the internal voltage of the optical module is low and alarm; and if the acquired voltage value is smaller than the upper limit voltage threshold and larger than the lower limit voltage threshold, generating a Uz mark as a voltage mark to indicate that the internal voltage of the optical module is proper.
Further, the main control chip includes: and the analog-to-digital conversion circuit is used for receiving the analog quantity of the environment signal and converting the analog quantity of the environment signal into a digital value. Comparison logic configured to compare the digital value to the environmental standard threshold and encode the digital value according to the environmental standard threshold to generate encoded information. And the storage unit is used for pre-storing the digital value. And an interface for writing to or reading from the location of the memory chip.
In some embodiments, the humidity chip collects humidity analog quantity inside the optical module and is connected with the main control chip through the IIC bus. And the analog-to-digital conversion circuit in the main control chip converts the received humidity analog quantity into a digital humidity value. The thermistor is connected with the main control chip through ADC interface connection, and converts the temperature analog quantity into a digital temperature value. The converted digital value is written into a pre-storage unit, and the data acquisition time is increased on the basis of the digital value. And then, comparing the numerical value with a threshold value set in advance through comparison logic, marking the environmental data according to a comparison result, and generating coding information. The storage chip is in communication connection with the SPI of the main control chip and writes the coded information into the storage chip through an interface.
In some embodiments, the memory chip is an EEPROM, and if the optical module suddenly encounters a power failure or other abnormality, data storage in the memory chip is not affected, which facilitates subsequent query.
In some embodiments, the main control chip stores data of which the voltage is too small or too large and the environment exceeds the normal working temperature and humidity range of the module to the storage chip according to the comparison condition; all of the encoded data may also be stored to a memory chip. When the upper computer records that the optical module is abnormal, such as data packet loss and communication interruption, corresponding data in the storage chip can be called according to the abnormal time recorded in the upper computer.
Further, in some embodiments, in order to realize the optical module environment monitoring and timely control the optical module operation mechanism according to the monitoring record, the performance of the product is ensured. The main control chip controls the operation of the laser by comparing the environmental data collected in the front and back sequence, if the environmental change amplitude is too fast. Wherein, the too fast environment variation amplitude means: the difference between two adjacent temperature values exceeds 10 ℃.
Specifically, if the voltage of the optical module is too low or too high in the current network use, and the environment exceeds the normal working temperature and humidity range of the module, the optical module integrated with the health record can record the information to the EEPROM, and can take certain protection measures to ensure the performance of the product according to the detected environmental change. If the temperature changes rapidly, the temperature control capability of the TEC can be improved by increasing the supply current of the TEC, the temperature of the laser is stable and is not influenced by the ambient temperature of the module, and therefore the quality of the output optical signal of the module is stable. On the other hand, once the module function is abnormal due to the fact that the application environment of the optical module exceeds the specification range of the optical module for a period of time, the environmental information stored in the EEPROM can be read through the main control chip according to the abnormal time recorded in the upper computer, and the problem is rapidly located.
The application is suitable for TO packaged optical modules and optical modules of silicon optical chip structures.
In conclusion, the application provides an optical module with a health record function, the module is internally integrated with HumidityIC and can be used for collecting humidity inside the module in real time, in addition, the module is integrated with a Thermistor and can be used for collecting temperature in real time, and particularly, the module can be internally used for monitoring the temperature of different functional blocks inside the module through a plurality of thermistors. The MCU of the main control chip acquires Humidity IC data through the IIC bus, converts acquired analog quantity of the thermal sensor into digital quantity through the ADC interface, and finally judges the externally acquired data and voltage monitoring data integrated in the MCU respectively. And if the data change exceeds a certain range, encoding the current data according to a certain encoding mode, and storing the data into the EEPROM through SPI communication.
The application discloses a method, a device and an optical module with a health record function. The method comprises the steps of collecting environmental signals of different function blocks in an optical module, converting analog quantity of the environmental signals into digital quantity, caching the digital quantity, comparing the collected environmental data with a preset environmental standard threshold value, generating a corresponding mark value according to a comparison result, coding the environmental data to produce coded information, and writing the coded information into a storage chip. After the optical module is abnormal, the coded information stored in the storage chip can be read through the main control chip according to the abnormal time recorded in the upper computer, and the problem is quickly positioned. The problem of among the prior art because of the environmental parameter is good positioning analysis to the unusual reason of module after recovering to normal is solved.
Since the above embodiments are all described by referring to and combining with other embodiments, the same portions are provided between different embodiments, and the same and similar portions between the various embodiments in this specification may be referred to each other. And will not be described in detail herein.
It is noted that, in this specification, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a circuit structure, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such circuit structure, article, or apparatus. Without further limitation, the presence of an element identified by the phrase "comprising an … …" does not exclude the presence of other like elements in a circuit structure, article or device comprising the element.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
The above-described embodiments of the present application do not limit the scope of the present application.
Claims (10)
1. A method having a health record function, comprising:
setting an environment standard threshold;
collecting environmental signals of different functional blocks in an optical module;
the main control chip receives the environment signal, converts the environment signal into environment data, compares the environment data with the environment standard threshold, codes the environment data according to the comparison condition to generate coding information, and writes the coding information into a storage chip;
and reading the coding information in the storage chip by using a main control chip.
2. The method of claim 1, wherein the receiving the environmental signal by the master control chip, converting the environmental signal into environmental data, and comparing the environmental data with the environmental standard threshold comprises: and the main control chip receives the environment signal, converts the environment signal into environment data, prestores the environment data and compares the environment data with the environment standard threshold value.
3. The method with health record functionality according to claim 1, wherein said environmental criteria threshold comprises: an upper limit voltage threshold, a lower limit voltage threshold, an upper limit temperature threshold, a lower limit temperature threshold, and a humidity threshold.
4. The method of claim 3, wherein the environmental signal comprises: the temperature analog quantity, the humidity analog quantity, the power supply voltage and the corresponding acquisition time of each signal.
5. An apparatus having a health record function, comprising:
the environment threshold setting module is used for inputting an environment standard threshold;
the information acquisition module is used for acquiring environment signals of different functional blocks in the optical module;
the main control chip is used for receiving the environment signal, converting the environment signal into environment data, pre-storing the environment data, comparing the environment data with the environment standard threshold value, and encoding the environment data according to the comparison condition to generate encoding information;
and the storage chip is in communication connection with the main control chip and is used for storing the coding information.
6. The healthrecord enabled device of claim 5, wherein said information collection module comprises: the humidity acquisition unit is configured to acquire humidity analog quantity inside the optical module and transmit the humidity analog quantity to the main control chip;
the temperature acquisition unit is configured to acquire temperature analog quantity inside the optical module and transmit the temperature analog quantity to the main control chip;
the voltage acquisition unit is configured to acquire a voltage value inside an optical module and transmit the voltage value to the main control chip.
7. The device with health record function of claim 5, wherein the main control chip comprises:
the analog-to-digital conversion circuit is used for receiving the analog quantity of the environment signal and converting the analog quantity of the environment signal into a digital value;
comparison logic configured to compare the digital value to the environmental standard threshold and encode the digital value according to the environmental standard threshold to generate encoded information;
a storage unit for pre-storing the digital value;
and an interface for writing to or reading from a location of the memory chip.
8. A light module, comprising:
the humidity chip is arranged close to the laser and used for acquiring the humidity value of the laser;
the thermistors are arranged at different positions of the optical module and are used for collecting temperature analog quantity inside the optical module;
the main control chip is connected with the humidity chip through an IIC bus,
the main control chip is connected with the thermistor through an ADC (analog-to-digital converter) interface, converts the temperature analog quantity into a temperature value, pre-stores the temperature value and the humidity value, compares the temperature value and the humidity value with an environmental standard threshold value, and codes the temperature value and the humidity value to generate coding information;
and the storage chip is in communication connection with the main control chip and is used for writing and reading the coded information.
9. The optical module of claim 8, wherein the memory chip is an EEPROM.
10. The optical module according to claim 8, wherein the memory chip is in SPI communication connection with the main control chip.
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| CN202110042761.3A CN114764170A (en) | 2021-01-13 | 2021-01-13 | Method and device with health record function and optical module |
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