CN116698205A - Compatible temperature sensing cable modem - Google Patents
Compatible temperature sensing cable modem Download PDFInfo
- Publication number
- CN116698205A CN116698205A CN202310548933.3A CN202310548933A CN116698205A CN 116698205 A CN116698205 A CN 116698205A CN 202310548933 A CN202310548933 A CN 202310548933A CN 116698205 A CN116698205 A CN 116698205A
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- temperature
- constant temperature
- sensing cable
- alarm
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- 230000003321 amplification Effects 0.000 claims abstract description 39
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 39
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 238000004364 calculation method Methods 0.000 claims abstract description 9
- 230000002159 abnormal effect Effects 0.000 claims description 19
- 238000012360 testing method Methods 0.000 claims description 18
- 230000001960 triggered effect Effects 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 238000005488 sandblasting Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 230000004044 response Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
Abstract
The disclosure belongs to the technical field of nuclear power, and particularly relates to a compatible temperature-sensing cable modem. The present disclosure. The calculation parameters of the singlechip of the compatible temperature sensing cable modem can be adaptively adjusted according to the actual parameters of the temperature sensing cable, and the modem is provided with a multipath differential temperature amplification comparison circuit and a constant temperature amplification comparison circuit, so that the compatible temperature sensing cable modem can flexibly adapt to temperature sensing detection channels of different types and different numbers, and the one-to-one correspondence between the temperature sensing cable and the modem in a complete set design is broken. The application of the compatible temperature sensing cable modem can save the use cost and construction cost of equipment, and has practical significance.
Description
Technical Field
The invention belongs to the technical field of nuclear power, and particularly relates to a compatible temperature-sensing cable modem.
Background
The temperature sensing cable detector is a fire alarm detection device which is composed of a temperature sensing cable, a modem and a terminal resistor. The modem is a signal processing unit integrating the functions of signal acquisition, amplification, operation, output and the like.
The temperature response characteristics of the temperature sensing cables of different types and models often have uniqueness. The modem matched with the temperature sensing cable is designed according to the inherent characteristics of the temperature sensing cable and has uniqueness and speciality. When the traditional temperature sensing cable fire alarm detector is designed, the temperature sensing cable is matched with the special modem in a complete set, and the special modem cannot be matched with other types of temperature sensing cables. In the operation and maintenance process of a nuclear power plant, when a certain component in the in-service temperature-sensing cable detector is stopped and supplied, the component is always replaced by the matched equipment, and in a nuclear power industrial environment, the temperature-sensing cable is often used in a large quantity, the total length of the cable is tens of meters, the laying difficulty is high, and therefore huge manpower and material resources are consumed.
Disclosure of Invention
In order to overcome the problems in the related art, a compatible temperature-sensing cable modem is provided.
According to an aspect of the embodiments of the present disclosure, there is provided a compatible type temperature sensing cable modem including: the temperature-difference alarm device comprises a plurality of differential temperature amplification comparison circuits, a constant temperature amplification comparison circuit, a singlechip, a differential temperature alarm device and a constant temperature alarm device, wherein the singlechip is respectively connected with the differential temperature amplification comparison circuits, the constant temperature amplification comparison circuit, the differential temperature alarm device and the constant temperature alarm device;
each differential temperature amplification comparison circuit is connected with one differential temperature sensing cable, and each differential temperature amplification comparison circuit is used for comparing a detection signal input by the connected differential temperature sensing cable at the initial time of the detection period with a detection signal input at the tail time of the detection period and outputting a comparison result to the singlechip;
the constant temperature amplification comparison circuit is connected with a constant temperature sensing cable and is used for comparing a detection signal input by the constant temperature sensing cable with a preset signal threshold value and outputting a comparison result to the singlechip;
the single chip microcomputer can adaptively adjust calculation parameters of input comparison results according to actual parameters of the constant temperature sensing cable and the differential temperature sensing cable;
when the single chip microcomputer judges that the comparison results input by the differential temperature circuits are larger than the differential temperature alarm value threshold value, a differential temperature alarm signal is output to the differential temperature alarm device, and the differential temperature alarm device is triggered to execute alarm;
and under the condition that the comparison result input by the constant temperature circuit is larger than the constant temperature alarm value threshold value, the singlechip outputs a constant temperature alarm signal to the constant temperature alarm device, and triggers the constant temperature alarm device to execute alarm.
In one possible implementation, the compatible temperature-sensing cable modem further includes: the fault alarm device is connected with the singlechip;
each differential temperature amplification comparison circuit is also used for outputting the voltage value of the connected differential temperature sensing cable to the singlechip;
the constant temperature amplification comparison circuit is also used for outputting the voltage value of the connected constant temperature sensing cable to the singlechip;
and under the condition that the single chip microcomputer judges that the voltage value input by any one or more of the constant temperature amplification comparison circuit or the differential temperature amplification comparison circuits is abnormal, outputting a fault alarm signal to the fault alarm device, and triggering the fault alarm device to execute alarm.
In one possible implementation manner, the fault alarm device performs alarm further includes displaying alarm information, where the alarm information is used to indicate a fault type corresponding to an abnormal voltage value, and is further used to indicate a sampling channel number of a differential temperature sensing cable or a constant temperature sensing cable with an abnormal voltage value, where if the abnormal voltage value is a voltage value close to zero, the corresponding fault type is a ground short circuit fault, if the abnormal voltage value is a voltage value exceeding an upper threshold, the corresponding fault type is an open circuit fault, and if the abnormal voltage value is the same voltage value of a plurality of differential temperature sensing cables and/or the constant temperature sensing cable, the corresponding fault type is a line-to-line short circuit fault.
In one possible implementation manner, the calculation parameters of the single chip microcomputer can be modified and set, and after the single chip microcomputer is initialized, the input parameters are taken as the calculation parameters, wherein the input parameters comprise the resistance characteristics of the differential temperature sensing cables and the constant temperature sensing cables and the number of the differential temperature sensing cables.
In one possible implementation, the compatible temperature-sensing cable modem further includes: a power conversion module;
the power conversion module is connected with the singlechip and is used for converting an external power supply into direct current with preset voltage and then supplying power to the compatible temperature sensing cable modem.
In one possible implementation, the compatible temperature-sensing cable modem further includes: an alarm analog circuit;
the alarm analog circuit comprises a plurality of differential temperature signal analog circuits and a constant temperature signal analog circuit;
after the buttons of the differential temperature signal analog circuits are triggered, outputting differential temperature test signals to the single chip microcomputer, wherein the differential temperature test signals are used for testing the function of the single chip microcomputer for outputting differential temperature alarm signals;
after the button of the constant temperature signal analog circuit is triggered, a constant temperature test signal is output to the singlechip, and the constant temperature test signal is used for testing the function of the singlechip for outputting a constant temperature alarm signal.
In one possible implementation, the compatible temperature-sensitive cable modem further includes a housing that uses an industrial extruded aluminum profile, the exterior of which is treated using a sandblaster oxidation process.
In one possible implementation, a panel is disposed on one side of the housing, and the panel is provided with a fault alarm device, a differential temperature alarm device and a constant temperature alarm device.
In one possible implementation, the fault warning device, the differential temperature warning device and the constant temperature warning device comprise LED lamps.
The beneficial effects of the present disclosure are: the calculation parameters of the singlechip of the compatible temperature sensing cable modem can be adaptively adjusted according to the actual parameters of the temperature sensing cable, and the modem is provided with a multipath differential temperature amplification comparison circuit and a constant temperature amplification comparison circuit, so that the compatible temperature sensing cable modem can flexibly adapt to temperature sensing detection channels of different types and different numbers, and the one-to-one correspondence between the temperature sensing cable and the modem in a complete set design is broken. The compatible temperature sensing cable modem can be matched with various constant temperature type temperature sensing cables for use, and can also be matched with various differential constant temperature type temperature sensing cables for use. Corresponding algorithms can be formulated according to the temperature response characteristics of different temperature sensing cables, so that the aim of compatibility is fulfilled. When the traditional temperature sensing cable fire alarm detector is applied, the whole set of temperature sensing cable fire alarm detector needs to be replaced after any one of the temperature sensing cable and the modem is stopped and supplied. In an industrial environment, the temperature sensing cables are often used in a large quantity, and the cable length is tens of meters in a general factory and is difficult to lay. The compatible temperature sensing cable modem can set a corresponding algorithm according to the performance parameters of the temperature sensing cable, and the temperature sensing cable is ensured to be continuously available under the condition that only the modem is replaced. Similarly, when the parameters of the paired temperature-sensing cables are changed, only the modem algorithm is required to be updated, and the whole set of replacement is not required. The application of the compatible temperature sensing cable modem can save the use cost and construction cost of equipment, and has practical significance.
Drawings
Fig. 1 is a block diagram illustrating a compatible temperature-sensing cable modem according to an exemplary embodiment.
Fig. 2 is a flow chart illustrating a compatible temperature sensing cable modem single chip microcomputer cycle control according to an exemplary embodiment.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings and specific examples.
Fig. 1 is a block diagram illustrating a compatible temperature-sensing cable modem according to an exemplary embodiment. As shown in fig. 1, the compatible temperature-sensing cable modem includes: the temperature-stabilizing device comprises a plurality of differential temperature amplification comparison circuits, a constant temperature amplification comparison circuit, a singlechip, a fault alarm device, a differential temperature alarm device and a constant temperature alarm device, wherein the singlechip is respectively connected with the differential temperature amplification comparison circuits, the constant temperature amplification comparison circuits, the fault alarm device, the differential temperature alarm device and the constant temperature alarm device.
Each differential temperature amplification comparison circuit is connected with one differential temperature sensing cable, and each differential temperature amplification comparison circuit is used for comparing a detection signal input by the connected differential temperature sensing cable at the initial time of the detection period with a detection signal input at the final time of the detection period and outputting a comparison result to the singlechip.
For example, each differential temperature amplification comparison circuit filters and amplifies the detection signal input by the connected temperature sensing cable at the initial time of the detection period to form an initial time signal, outputs the initial time signal to the singlechip for storage, filters and amplifies the detection signal input by the connected temperature sensing cable at the final time of the detection period to form a final time signal, and compares the initial time signal acquired from the singlechip with the final time signal to obtain a comparison result and outputs the comparison result to the singlechip.
The constant temperature amplification comparison circuit is connected with a constant temperature sensing cable and is used for comparing a detection signal input by the constant temperature sensing cable with a preset signal threshold value and outputting a comparison result to the singlechip.
Fig. 2 is a flow chart illustrating a compatible temperature sensing cable modem single chip microcomputer cycle control according to an exemplary embodiment. As shown in fig. 2, the calculation parameters of the singlechip aiming at the input comparison result can be adaptively adjusted according to the parameters of the temperature sensing cable; for example, before the compatible temperature sensing cable modem may be installed, parameters of the temperature sensing cable may be detected, the parameters may include, for example, the number of detection channels of the temperature sensing cable, resistance values of the temperature sensing cable and the constant temperature sensing cable, resistance change rates of the temperature sensing cable and the constant temperature sensing cable along with temperature, and the like, after hardware and software of the singlechip are initialized, parameters of the temperature sensing cable measured in real time may be input to the singlechip as calculation parameters, and alarm values may be loaded, where the alarm values may include an upper limit threshold, a temperature difference alarm threshold, and a constant temperature alarm threshold.
Under the condition that the comparison results input by the differential temperature circuits are larger than the differential temperature alarm value threshold value, the singlechip outputs a differential temperature alarm signal to the differential temperature alarm device to trigger the differential temperature alarm device to execute alarm,
and under the condition that the comparison result input by the constant temperature circuit is larger than the constant temperature alarm value threshold value, the singlechip outputs a constant temperature alarm signal to the constant temperature alarm device, and triggers the constant temperature alarm device to execute alarm.
And under the condition that the single chip microcomputer judges that the voltage value input by any one or more of the constant temperature amplification comparison circuit or the differential temperature amplification comparison circuits is abnormal, outputting a fault alarm signal to the fault alarm device, and triggering the fault alarm device to execute alarm.
For example, the fault alarm device performs alarm further includes displaying alarm information, where the alarm information is used to indicate a fault type corresponding to an abnormal voltage value, and is further used to indicate a sampling channel number of a differential temperature sensing cable or a constant temperature sensing cable with an abnormal voltage value, where if the abnormal voltage value is a voltage value close to zero, the corresponding fault type is a ground short circuit fault, if the abnormal voltage value is a voltage value exceeding an upper limit threshold, the corresponding fault type is an open circuit fault, and if the abnormal voltage value is a voltage value of a plurality of differential temperature sensing cables and/or a constant temperature sensing cable, the corresponding fault type is a line-to-line short circuit fault.
Therefore, the compatible temperature-sensing cable modem can analyze the specific form of the abnormal voltage value, prompt the fault type and the fault temperature-sensing cable, and is beneficial to the engineering personnel to quickly locate and maintain the fault temperature-sensing cable.
In one possible implementation, the fault warning device, the differential temperature warning device and the constant temperature warning device may include LED lamps.
The fault alarm device can also comprise a yellow LED lamp, the differential temperature alarm device can also comprise a red LED and the like, and the constant temperature alarm device can also comprise an orange LED lamp.
In one possible implementation, the compatible temperature-sensing cable modem further includes: a power conversion module;
the power conversion module is connected with the singlechip and is used for converting an external power supply into direct current with preset voltage and then supplying power to the compatible temperature sensing cable modem.
In one possible implementation, the compatible temperature-sensing cable modem further includes: an alarm analog circuit;
the alarm analog circuit comprises a plurality of differential temperature signal analog circuits and a constant temperature signal analog circuit.
After the buttons of the differential temperature signal analog circuits are triggered, outputting differential temperature test signals to the single chip microcomputer, wherein the differential temperature test signals are used for testing the function of the single chip microcomputer for outputting differential temperature alarm signals;
after the button of the constant temperature signal analog circuit is triggered, a constant temperature test signal is output to the singlechip, and the constant temperature test signal is used for testing the function of the singlechip for outputting a constant temperature alarm signal.
In one possible implementation, the compatible temperature-sensitive cable modem further includes a housing that uses an industrial extruded aluminum profile, the exterior of which is treated using a sandblaster oxidation process.
In one possible implementation, a panel is disposed on one side of the housing, and the panel is provided with a fault alarm device, a differential temperature alarm device and a constant temperature alarm device.
The description of the above apparatus is already described in detail in the description of the above method, and will not be repeated here.
The calculation parameters of the singlechip of the compatible temperature sensing cable modem can be adaptively adjusted according to the actual parameters of the temperature sensing cable, and the modem is provided with a multipath differential temperature amplification comparison circuit and a constant temperature amplification comparison circuit, so that the compatible temperature sensing cable modem can flexibly adapt to temperature sensing detection channels of different types and different numbers, and the one-to-one correspondence between the temperature sensing cable and the modem in a complete set design is broken. The compatible temperature sensing cable modem can be matched with various constant temperature type temperature sensing cables for use, and can also be matched with various differential constant temperature type temperature sensing cables for use. Corresponding algorithms can be formulated according to the temperature response characteristics of different temperature sensing cables, so that the aim of compatibility is fulfilled. When the traditional temperature sensing cable fire alarm detector is applied, the whole set of temperature sensing cable fire alarm detector needs to be replaced after any one of the temperature sensing cable and the modem is stopped and supplied. In an industrial environment, the temperature sensing cables are often used in a large quantity, and the cable length is tens of meters in a general factory and is difficult to lay. The compatible temperature sensing cable modem can set a corresponding algorithm according to the performance parameters of the temperature sensing cable, and the temperature sensing cable is ensured to be continuously available under the condition that only the modem is replaced. Similarly, when the parameters of the paired temperature-sensing cables are changed, only the modem algorithm is required to be updated, and the whole set of replacement is not required. The application of the compatible temperature sensing cable modem can save the use cost and construction cost of equipment, and has practical significance.
The foregoing description of the embodiments of the present disclosure has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (9)
1. A compatible temperature-sensitive cable modem, the compatible temperature-sensitive cable modem comprising: the temperature-difference alarm device comprises a plurality of differential temperature amplification comparison circuits, a constant temperature amplification comparison circuit, a singlechip, a differential temperature alarm device and a constant temperature alarm device, wherein the singlechip is respectively connected with the differential temperature amplification comparison circuits, the constant temperature amplification comparison circuit, the differential temperature alarm device and the constant temperature alarm device;
each differential temperature amplification comparison circuit is connected with one differential temperature sensing cable, and each differential temperature amplification comparison circuit is used for comparing a detection signal input by the connected differential temperature sensing cable at the initial time of the detection period with a detection signal input at the tail time of the detection period and outputting a comparison result to the singlechip;
the constant temperature amplification comparison circuit is connected with a constant temperature sensing cable and is used for comparing a detection signal input by the constant temperature sensing cable with a preset signal threshold value and outputting a comparison result to the singlechip;
the single chip microcomputer can adaptively adjust calculation parameters of input comparison results according to actual parameters of the constant temperature sensing cable and the differential temperature sensing cable;
when the single chip microcomputer judges that the comparison results input by the differential temperature circuits are larger than the differential temperature alarm value threshold value, a differential temperature alarm signal is output to the differential temperature alarm device, and the differential temperature alarm device is triggered to execute alarm;
and under the condition that the comparison result input by the constant temperature circuit is larger than the constant temperature alarm value threshold value, the singlechip outputs a constant temperature alarm signal to the constant temperature alarm device, and triggers the constant temperature alarm device to execute alarm.
2. The compatible temperature-sensitive cable modem of claim 1, further comprising: the fault alarm device is connected with the singlechip;
each differential temperature amplification comparison circuit is also used for outputting the voltage value of the connected differential temperature sensing cable to the singlechip;
the constant temperature amplification comparison circuit is also used for outputting the voltage value of the connected constant temperature sensing cable to the singlechip;
and under the condition that the single chip microcomputer judges that the voltage value input by any one or more of the constant temperature amplification comparison circuit or the differential temperature amplification comparison circuits is abnormal, outputting a fault alarm signal to the fault alarm device, and triggering the fault alarm device to execute alarm.
3. The compatible temperature-sensitive cable modem of claim 2,
the fault alarm device performs alarm and further comprises alarm information, the alarm information is used for indicating a fault type corresponding to the abnormal voltage value, and is also used for indicating the sampling channel number of the differential temperature sensing cable or the constant temperature sensing cable with the abnormal voltage value, wherein if the abnormal voltage value is close to zero, the corresponding fault type is a ground short circuit fault, if the abnormal voltage value is above an upper limit threshold value, the corresponding fault type is an open circuit fault, and if the abnormal voltage value is the same as the voltage values of the differential temperature sensing cables and/or the constant temperature sensing cables, the corresponding fault type is a line-to-line short circuit fault.
4. The compatible temperature-sensing cable modem of claim 1, wherein the computation parameters of the single-chip microcomputer can be modified and set, and the single-chip microcomputer takes the input parameters as the computation parameters after initialization, wherein the input parameters comprise the resistance characteristics of the differential temperature-sensing cable and the constant temperature-sensing cable and the number of the differential temperature-sensing cables.
5. The compatible temperature-sensitive cable modem of claim 1, further comprising: a power conversion module;
the power conversion module is connected with the singlechip and is used for converting an external power supply into direct current with preset voltage and then supplying power to the compatible temperature sensing cable modem.
6. The compatible temperature-sensitive cable modem of claim 1, further comprising: an alarm analog circuit;
the alarm analog circuit comprises a plurality of differential temperature signal analog circuits and a constant temperature signal analog circuit;
after the buttons of the differential temperature signal analog circuits are triggered, outputting differential temperature test signals to the single chip microcomputer, wherein the differential temperature test signals are used for testing the function of the single chip microcomputer for outputting differential temperature alarm signals;
after the button of the constant temperature signal analog circuit is triggered, a constant temperature test signal is output to the singlechip, and the constant temperature test signal is used for testing the function of the singlechip for outputting a constant temperature alarm signal.
7. The compatible temperature-sensitive cable modem of claim 1, further comprising a housing, wherein the housing is formed from an industrial extruded aluminum profile and the exterior is treated with a sandblasting machine oxidation process.
8. The compatible temperature-sensitive cable modem of claim 7, wherein a face of the housing is provided with a panel, the panel being provided with a fault alarm device, a differential temperature alarm device, and a constant temperature alarm device.
9. The compatible temperature-sensitive cable modem of claim 1, wherein the fault alerting device, the differential temperature alerting device, and the constant temperature alerting device comprise LED lights.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310548933.3A CN116698205A (en) | 2023-05-16 | 2023-05-16 | Compatible temperature sensing cable modem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310548933.3A CN116698205A (en) | 2023-05-16 | 2023-05-16 | Compatible temperature sensing cable modem |
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| Publication Number | Publication Date |
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| CN116698205A true CN116698205A (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310548933.3A Pending CN116698205A (en) | 2023-05-16 | 2023-05-16 | Compatible temperature sensing cable modem |
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| CN (1) | CN116698205A (en) |
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2023
- 2023-05-16 CN CN202310548933.3A patent/CN116698205A/en active Pending
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