CN110068789B - Method and circuit for monitoring service life of electric energy meter - Google Patents
Method and circuit for monitoring service life of electric energy meter Download PDFInfo
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- CN110068789B CN110068789B CN201910436990.6A CN201910436990A CN110068789B CN 110068789 B CN110068789 B CN 110068789B CN 201910436990 A CN201910436990 A CN 201910436990A CN 110068789 B CN110068789 B CN 110068789B
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Abstract
The invention provides a method and a circuit for monitoring the service life of an electric energy meter, which comprises the following steps: collecting a temperature value and a humidity value of the electric energy meter; judging whether the temperature value is greater than a preset temperature value and the humidity value is greater than a preset humidity value; if the temperature value is greater than the preset temperature value and/or the humidity value is greater than the preset humidity value, recording a corresponding time value, wherein the time value corresponds to an acceleration factor; calculating the equivalent acceleration time according to the time value and the acceleration factor; calculating the service life remaining time of the electric energy meter according to the acceleration equivalent time; judging whether the remaining life time reaches the preset alarm time or not; if the situation is met, an alarm signal is generated, the service life of the electric energy meter can be evaluated, the electric energy meter with partial failure can be replaced, and the replacement in whole batch is not needed, so that the replacement cost is greatly reduced.
Description
Technical Field
The invention relates to the technical field of electric energy meters, in particular to a method and a circuit for monitoring the service life of an electric energy meter.
Background
At present, the electric energy meters are installed in different environments, and due to the influence of the environments (for example, overhigh temperature or overlarge humidity), the problems of measurement sampling aging, super capacitor aging, electrolytic capacitor aging and the like can be caused, so that the service lives of the electric energy meters installed in different environments and different application currents in the same batch are different. When the electric energy meters in the same batch are replaced, the whole electric energy meters need to be replaced, the cost is high, and the waste is serious.
Disclosure of Invention
In view of this, the present invention provides a method and a circuit for monitoring the life of an electric energy meter, which can evaluate the life of the electric energy meter, and replace a partially failed electric energy meter without replacing the electric energy meter in batch, thereby greatly reducing the replacement cost.
In a first aspect, an embodiment of the present invention provides a method for monitoring a lifetime of an electric energy meter, where the method includes:
collecting a temperature value and a humidity value of the electric energy meter;
judging whether the temperature value is greater than a preset temperature value and whether the humidity value is greater than a preset humidity value;
if the temperature value is greater than the preset temperature value and/or the humidity value is greater than the preset humidity value, recording a corresponding time value, wherein the time value corresponds to an acceleration factor;
calculating the equivalent acceleration time according to the time value and the acceleration factor;
calculating the service life remaining time of the electric energy meter according to the acceleration equivalent time;
judging whether the remaining life time reaches preset alarm time or not;
if so, an alarm signal is generated.
Further, if the temperature value is greater than the preset temperature value and/or the humidity value is greater than the preset humidity value, recording a corresponding time value, where the time value corresponds to an acceleration factor, including:
if the temperature value is greater than the preset temperature value and the humidity value is greater than the preset humidity value, recording a first time value, wherein the first time value corresponds to a temperature and humidity acceleration factor;
if the temperature value is greater than the preset temperature value and the humidity value is less than the preset humidity value, recording a second time value, wherein the second time value corresponds to a temperature acceleration factor;
and if the temperature value is smaller than the preset temperature value and the humidity value is larger than the preset humidity value, recording a third time value, wherein the third time value corresponds to a humidity acceleration factor.
Further, the first time value is a time value corresponding to the temperature value being greater than the preset temperature value and the humidity value being greater than the preset humidity value; the second time value is a time value corresponding to the temperature value being greater than the preset temperature value and the humidity value being less than the preset humidity value; the third time value is a time value corresponding to the temperature value being smaller than the preset temperature value and the humidity value being larger than the preset humidity value.
Further, the calculating an acceleration equivalent time according to the time value and the acceleration factor includes:
obtaining a first acceleration equivalent time according to the first time value and the temperature and humidity acceleration factor;
alternatively, the first and second electrodes may be,
obtaining a second acceleration equivalent time according to the second time value and the temperature acceleration factor;
alternatively, the first and second electrodes may be,
and obtaining a third acceleration equivalent time according to the third time value and the humidity acceleration factor.
Further, the acceleration factor includes the temperature and humidity acceleration factor, the temperature acceleration factor, and the humidity acceleration factor, and the temperature and humidity acceleration factor, the temperature acceleration factor, and the humidity acceleration factor are obtained through the following methods:
acquiring the normal life time, the over-temperature life time, the over-humidity life time and the over-humidity and over-temperature life time of the electric energy meter;
obtaining the temperature and humidity acceleration factor according to the normal service life time of the electric energy meter and the ultra-humidity and over-temperature service life time;
obtaining the temperature acceleration factor according to the normal life time and the overtemperature life time of the electric energy meter;
and obtaining the humidity acceleration factor according to the normal life time and the ultra-wet life time of the electric energy meter.
In a second aspect, an embodiment of the present invention provides a circuit for monitoring the lifetime of an electric energy meter, where the circuit includes: the system comprises a temperature sensor, a humidity sensor, a Micro Control Unit (MCU) and a communication alarm circuit;
the temperature sensor, the humidity sensor and the communication alarm circuit are respectively connected with the MCU;
the temperature sensor is used for acquiring the temperature value of the electric energy meter;
the humidity sensor is used for acquiring the humidity value of the electric energy meter;
the MCU is used for judging whether the temperature value is greater than a preset temperature value and whether the humidity value is greater than a preset humidity value; if the temperature value is greater than the preset temperature value and/or the humidity value is greater than the preset humidity value, recording a corresponding time value, wherein the time value corresponds to an acceleration factor; calculating the equivalent acceleration time according to the time value and the acceleration factor; calculating the service life remaining time of the electric energy meter according to the acceleration equivalent time; judging whether the remaining life time reaches preset alarm time or not; if the communication alarm circuit reaches the preset value, generating an alarm signal and sending the alarm signal to the communication alarm circuit;
and the communication alarm circuit is used for alarming according to the alarm signal.
Further, the MCU is specifically configured to:
if the temperature value is greater than the preset temperature value and the humidity value is greater than the preset humidity value, recording a first time value, wherein the first time value corresponds to a temperature and humidity acceleration factor;
if the temperature value is greater than the preset temperature value and the humidity value is less than the preset humidity value, recording a second time value, wherein the second time value corresponds to a temperature acceleration factor;
and if the temperature value is smaller than the preset temperature value and the humidity value is larger than the preset humidity value, recording a third time value, wherein the third time value corresponds to a humidity acceleration factor.
Further, the first time value is a time value corresponding to the temperature value being greater than the preset temperature value and the humidity value being greater than the preset humidity value; the second time value is a time value corresponding to the temperature value being greater than the preset temperature value and the humidity value being less than the preset humidity value; the third time value is a time value corresponding to the temperature value being smaller than the preset temperature value and the humidity value being larger than the preset humidity value.
In a third aspect, an embodiment of the present invention provides an electronic device, including a memory and a processor, where the memory stores a computer program operable on the processor, and the processor implements the steps of the above method when executing the computer program.
In a fourth aspect, embodiments of the invention provide a computer readable medium having non-volatile program code executable by a processor, the program code causing the processor to perform the method as described above.
The embodiment of the invention provides a method and a circuit for monitoring the service life of an electric energy meter, comprising the following steps: collecting a temperature value and a humidity value of the electric energy meter; judging whether the temperature value is greater than a preset temperature value and the humidity value is greater than a preset humidity value; if the temperature value is greater than the preset temperature value and/or the humidity value is greater than the preset humidity value, recording a corresponding time value, wherein the time value corresponds to an acceleration factor; calculating the equivalent acceleration time according to the time value and the acceleration factor; calculating the service life remaining time of the electric energy meter according to the acceleration equivalent time; judging whether the remaining life time reaches the preset alarm time or not; if the situation is met, an alarm signal is generated, the service life of the electric energy meter can be evaluated, the electric energy meter with partial failure can be replaced, and the replacement in whole batch is not needed, so that the replacement cost is greatly reduced.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a flowchart of a method for monitoring the lifetime of an electric energy meter according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a circuit for monitoring the lifetime of an electric energy meter according to a second embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an MCU provided in the second embodiment of the present invention;
fig. 4 is a schematic structural diagram of a temperature sensor according to a second embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a humidity sensor according to a second embodiment of the present invention;
fig. 6 is a schematic structural diagram of a communication alarm circuit according to a second embodiment of the present invention.
Icon:
10-a temperature sensor; 20-a humidity sensor; 30-MCU; 40-a communication alarm circuit; 50-user terminal.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For the understanding of the present embodiment, the following detailed description will be given of the embodiment of the present invention.
The first embodiment is as follows:
fig. 1 is a flowchart of a method for monitoring the lifetime of an electric energy meter according to an embodiment of the present invention.
Referring to fig. 1, the method includes the steps of:
step S101, collecting a temperature value and a humidity value of an electric energy meter;
step S102, judging whether the temperature value is larger than a preset temperature value and whether the humidity value is larger than a preset humidity value; if the temperature value is greater than the preset temperature value and/or the humidity value is greater than the preset humidity value, executing the step S103; if not, the corresponding time value is not required to be recorded;
step S103, recording a corresponding time value, wherein the time value corresponds to an acceleration factor;
specifically, the preset temperature value may be 85 degrees, but is not limited to 85 degrees; the preset humidity value may be 85 degrees, but is not limited to 85 degrees. Whether the temperature value is greater than the preset temperature value and whether the humidity value is greater than the preset humidity value are firstly judged, and the judging process comprises three conditions: the first case is a case where the temperature value is greater than a preset temperature value and the humidity value is greater than a preset humidity value, the second case is a case where the temperature value is greater than a preset temperature value and the humidity value is less than a preset humidity value, and the third case is a case where the temperature value is less than a preset temperature value and the humidity value is greater than a preset humidity value. And respectively recording the time value corresponding to each condition, wherein the time value corresponding to each condition respectively corresponds to different acceleration factors.
In the first case, the recorded time value is a time value corresponding to a temperature value exceeding a preset temperature value and a humidity value exceeding a preset humidity value, for example, a temperature value exceeding 85 degrees and a humidity value exceeding 85 degrees, and in the above case, the duration is 2h, and the recorded time value is 2 h. In the second case, the recorded time value is the time value corresponding to the temperature value being greater than the preset temperature value and the humidity value being less than the preset humidity value. In a third case, the recorded time value is a time value corresponding to a temperature value less than a preset temperature value and a humidity value greater than a preset humidity value. In addition, the recorded time value may be a time value accumulated within a preset time period, for example, the preset time period is 30 days, the recorded time value per day is 1h, and then the accumulated time value for 30 days is 30h, and at this time, 30h is taken as the corresponding recorded time value.
Step S104, calculating the equivalent acceleration time according to the time value and the acceleration factor;
step S105, calculating the service life remaining time of the electric energy meter according to the equivalent acceleration time;
step S106, judging whether the remaining life time reaches the preset alarm time; if so, go to step S107; if not, no alarm signal is required to be generated;
step S107, generating an alarm signal.
Further, step S103 includes:
if the temperature value is greater than the preset temperature value and the humidity value is greater than the preset humidity value, recording a first time value, wherein the first time value corresponds to a temperature and humidity acceleration factor;
if the temperature value is greater than the preset temperature value and the humidity value is less than the preset humidity value, recording a second time value, wherein the second time value corresponds to a temperature acceleration factor;
and if the temperature value is smaller than the preset temperature value and the humidity value is larger than the preset humidity value, recording a third time value, wherein the third time value corresponds to the humidity acceleration factor.
Further, the first time value is a time value corresponding to the temperature value being greater than a preset temperature value and the humidity value being greater than a preset humidity value; the second time value is a time value corresponding to the temperature value being greater than the preset temperature value and the humidity value being less than the preset humidity value; the third time value is a time value corresponding to the temperature value being smaller than the preset temperature value and the humidity value being larger than the preset humidity value.
Further, step S104 includes:
obtaining a first acceleration equivalent time according to the first time value and the temperature and humidity acceleration factor;
alternatively, the first and second electrodes may be,
obtaining a second acceleration equivalent time according to the second time value and the temperature acceleration factor;
alternatively, the first and second electrodes may be,
and obtaining a third acceleration equivalent time according to the third time value and the humidity acceleration factor.
Specifically, a first acceleration equivalent time is obtained by multiplying a first time value by a temperature and humidity acceleration factor; the product of the second time value and the temperature acceleration factor is used for obtaining second acceleration equivalent time; and multiplying the third time value by the humidity acceleration factor to obtain a third acceleration equivalent time.
Further, the acceleration factor includes humiture acceleration factor, temperature acceleration factor and humidity acceleration factor, and humiture acceleration factor, temperature acceleration factor and humidity acceleration factor acquire through following mode:
acquiring normal life time, over-temperature life time, over-humidity life time and over-humidity and over-temperature life time of the electric energy meter;
acquiring temperature and humidity acceleration factors according to the normal service life time and the ultra-humidity and ultra-temperature service life time of the electric energy meter;
obtaining a temperature acceleration factor according to the normal life time and the overtemperature life time of the electric energy meter;
and obtaining the humidity acceleration factor according to the normal service life and the ultra-wet service life of the electric energy meter.
Specifically, the super-wet super-temperature life time, the super-temperature life time and the super-wet life time are obtained by an experimental method. Dividing the normal life time by the super-humidity and super-temperature life time to obtain a temperature and humidity acceleration factor; dividing the normal life time by the overtemperature life time to obtain a temperature acceleration factor; and dividing the normal life time by the super-humidity life time to obtain the humidity acceleration factor.
The product of the first time value and the temperature and humidity acceleration factor obtains first acceleration equivalent time; the product of the second time value and the temperature acceleration factor is used for obtaining second acceleration equivalent time; and multiplying the third time value by the humidity acceleration factor to obtain a third acceleration equivalent time.
The normal service life is respectively differed with the first acceleration equivalent time, the second acceleration equivalent time and the third acceleration equivalent time, the service life remaining time of the electric energy meter under different conditions can be obtained, then the service life remaining time is compared with the preset alarm time, whether the preset alarm time is reached is judged, if the preset alarm time is reached, an alarm is given, and therefore the electric energy meter operation and maintenance personnel are informed of which electric energy meter needs to be scrapped or replaced without replacing the electric energy meter in whole batch, the replacement cost is greatly reduced, and manpower and material resources are saved.
The embodiment of the invention provides a method for monitoring the service life of an electric energy meter, which comprises the following steps: collecting a temperature value and a humidity value of the electric energy meter; judging whether the temperature value is greater than a preset temperature value and the humidity value is greater than a preset humidity value; if the temperature value is greater than the preset temperature value and/or the humidity value is greater than the preset humidity value, recording a corresponding time value, wherein the time value corresponds to an acceleration factor; calculating the equivalent acceleration time according to the time value and the acceleration factor; calculating the service life remaining time of the electric energy meter according to the acceleration equivalent time; judging whether the remaining life time reaches the preset alarm time or not; if the situation is met, an alarm signal is generated, the service life of the electric energy meter can be evaluated, the electric energy meter with partial failure can be replaced, and the replacement in whole batch is not needed, so that the replacement cost is greatly reduced.
Example two:
fig. 2 is a schematic diagram of a circuit for monitoring the lifetime of an electric energy meter according to a second embodiment of the present invention.
Referring to fig. 2, the circuit includes: the system comprises a temperature sensor 10, a humidity sensor 20, an MCU (micro controller Unit) 30 and a communication alarm circuit 40, wherein the communication alarm circuit 40 is connected with a user terminal 50;
the temperature sensor 10, the humidity sensor 20 and the communication alarm circuit 40 are respectively connected with the MCU 30;
the temperature sensor 10 is used for acquiring the temperature value of the electric energy meter;
the humidity sensor 20 is used for acquiring the humidity value of the electric energy meter;
the MCU30 is used for judging whether the temperature value is larger than a preset temperature value and the humidity value is larger than a preset humidity value; if the temperature value is greater than the preset temperature value and/or the humidity value is greater than the preset humidity value, recording a corresponding time value, wherein the time value corresponds to an acceleration factor; calculating the equivalent acceleration time according to the time value and the acceleration factor; calculating the service life remaining time of the electric energy meter according to the acceleration equivalent time; judging whether the remaining life time reaches the preset alarm time or not; if the alarm signal reaches the preset value, generating an alarm signal and sending the alarm signal to the communication alarm circuit 40;
and the communication alarm circuit 40 is used for giving an alarm according to the alarm signal.
In this embodiment, the temperature sensor 10 and the humidity sensor 20 respectively collect a temperature value and a humidity value of the electric energy meter, the MCU30 determines whether the temperature value is greater than a preset temperature value and whether the humidity value is greater than a preset humidity value, and then records corresponding time values according to different conditions, wherein different time values correspond to different acceleration factors; calculating the equivalent acceleration time according to the time value and the acceleration factor; calculating the service life remaining time of the electric energy meter according to the acceleration equivalent time; and judging whether the preset alarm time is reached, and if so, generating an alarm signal. The communication alarm circuit 40 sends the alarm signal to the user terminal 50, wherein the user terminal 50 may be a mobile phone or a computer.
Referring to fig. 3 to 6, a pin 2 of the temperature sensor U2 is connected with a pin 25 of the MCU, a pin 2 of the humidity sensor U3 is connected with a pin 35 of the MCU, TXD485 of the communication alarm circuit is connected with a pin 2 of the MCU, RXD485 is connected with a pin 3 of the MCU, and CTRL485 is connected with a pin 4 of the MCU.
Further, the MCU30 is specifically configured to:
if the temperature value is greater than the preset temperature value and the humidity value is greater than the preset humidity value, recording a first time value, wherein the first time value corresponds to a temperature and humidity acceleration factor;
if the temperature value is greater than the preset temperature value and the humidity value is less than the preset humidity value, recording a second time value, wherein the second time value corresponds to a temperature acceleration factor;
and if the temperature value is smaller than the preset temperature value and the humidity value is larger than the preset humidity value, recording a third time value, wherein the third time value corresponds to the humidity acceleration factor.
Further, the first time value is a time value corresponding to a temperature value larger than a preset temperature value and a humidity value larger than a preset humidity value; the second time value is a time value corresponding to the temperature value being greater than the preset temperature value and the humidity value being less than the preset humidity value; the third time value is a time value corresponding to the temperature value being smaller than the preset temperature value and the humidity value being larger than the preset humidity value.
The embodiment of the invention provides a circuit for monitoring the service life of an electric energy meter, which comprises: collecting a temperature value and a humidity value of the electric energy meter; judging whether the temperature value is greater than a preset temperature value and the humidity value is greater than a preset humidity value; if the temperature value is greater than the preset temperature value and/or the humidity value is greater than the preset humidity value, recording a corresponding time value, wherein the time value corresponds to an acceleration factor; calculating the equivalent acceleration time according to the time value and the acceleration factor; calculating the service life remaining time of the electric energy meter according to the acceleration equivalent time; judging whether the remaining life time reaches the preset alarm time or not; if the situation is met, an alarm signal is generated, the service life of the electric energy meter can be evaluated, the electric energy meter with partial failure can be replaced, and the replacement in whole batch is not needed, so that the replacement cost is greatly reduced.
The embodiment of the present invention further provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor, and when the processor executes the computer program, the steps of the method for monitoring the lifetime of the electric energy meter provided in the above embodiment are implemented.
The embodiment of the invention further provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the steps of the method for monitoring the service life of the electric energy meter according to the embodiment are executed.
The computer program product provided in the embodiment of the present invention includes a computer-readable storage medium storing a program code, where instructions included in the program code may be used to execute the method described in the foregoing method embodiment, and specific implementation may refer to the method embodiment, which is not described herein again.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and the apparatus described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. A method for monitoring the life of an electric energy meter, the method comprising:
collecting a temperature value and a humidity value of the electric energy meter;
judging whether the temperature value is greater than a preset temperature value and whether the humidity value is greater than a preset humidity value;
if the temperature value is greater than the preset temperature value and/or the humidity value is greater than the preset humidity value, recording a corresponding time value, wherein the time value corresponds to an acceleration factor;
calculating the equivalent acceleration time according to the time value and the acceleration factor;
calculating the service life remaining time of the electric energy meter according to the acceleration equivalent time;
judging whether the remaining life time reaches preset alarm time or not;
if yes, generating an alarm signal;
the acceleration factor comprises a temperature and humidity acceleration factor, a temperature acceleration factor and a humidity acceleration factor, wherein the temperature and humidity acceleration factor, the temperature acceleration factor and the humidity acceleration factor are acquired in the following modes:
acquiring the normal life time, the over-temperature life time, the over-humidity life time and the over-humidity and over-temperature life time of the electric energy meter;
obtaining the temperature and humidity acceleration factor according to the normal service life time of the electric energy meter and the ultra-humidity and over-temperature service life time;
obtaining the temperature acceleration factor according to the normal life time and the overtemperature life time of the electric energy meter;
and obtaining the humidity acceleration factor according to the normal life time and the ultra-wet life time of the electric energy meter.
2. The method for monitoring the service life of the electric energy meter according to claim 1, wherein if the temperature value is greater than the preset temperature value and/or the humidity value is greater than the preset humidity value, recording a corresponding time value, wherein the time value corresponds to an acceleration factor, and the method comprises:
if the temperature value is greater than the preset temperature value and the humidity value is greater than the preset humidity value, recording a first time value, wherein the first time value corresponds to a temperature and humidity acceleration factor;
if the temperature value is greater than the preset temperature value and the humidity value is less than the preset humidity value, recording a second time value, wherein the second time value corresponds to a temperature acceleration factor;
and if the temperature value is smaller than the preset temperature value and the humidity value is larger than the preset humidity value, recording a third time value, wherein the third time value corresponds to a humidity acceleration factor.
3. The method for monitoring the service life of the electric energy meter according to claim 2, wherein the first time value is a time value corresponding to the temperature value being greater than the preset temperature value and the humidity value being greater than the preset humidity value; the second time value is a time value corresponding to the temperature value being greater than the preset temperature value and the humidity value being less than the preset humidity value; the third time value is a time value corresponding to the temperature value being smaller than the preset temperature value and the humidity value being larger than the preset humidity value.
4. The method for monitoring the life of an electric energy meter according to claim 3, wherein the calculating an acceleration equivalent time according to the time value and the acceleration factor comprises:
obtaining a first acceleration equivalent time according to the first time value and the temperature and humidity acceleration factor;
alternatively, the first and second electrodes may be,
obtaining a second acceleration equivalent time according to the second time value and the temperature acceleration factor;
alternatively, the first and second electrodes may be,
and obtaining a third acceleration equivalent time according to the third time value and the humidity acceleration factor.
5. A circuit for monitoring the life of an electric energy meter, the circuit comprising: the system comprises a temperature sensor, a humidity sensor, a Micro Control Unit (MCU) and a communication alarm circuit;
the temperature sensor, the humidity sensor and the communication alarm circuit are respectively connected with the MCU;
the temperature sensor is used for acquiring the temperature value of the electric energy meter;
the humidity sensor is used for acquiring the humidity value of the electric energy meter;
the MCU is used for judging whether the temperature value is greater than a preset temperature value and whether the humidity value is greater than a preset humidity value; if the temperature value is greater than the preset temperature value and/or the humidity value is greater than the preset humidity value, recording a corresponding time value, wherein the time value corresponds to an acceleration factor; calculating the equivalent acceleration time according to the time value and the acceleration factor; calculating the service life remaining time of the electric energy meter according to the acceleration equivalent time; judging whether the remaining life time reaches preset alarm time or not; if the communication alarm circuit reaches the preset value, generating an alarm signal and sending the alarm signal to the communication alarm circuit;
the communication alarm circuit is used for alarming according to the alarm signal;
the acceleration factor comprises a temperature and humidity acceleration factor, a temperature acceleration factor and a humidity acceleration factor, wherein the temperature and humidity acceleration factor, the temperature acceleration factor and the humidity acceleration factor are acquired in the following modes:
acquiring the normal life time, the over-temperature life time, the over-humidity life time and the over-humidity and over-temperature life time of the electric energy meter;
obtaining the temperature and humidity acceleration factor according to the normal service life time of the electric energy meter and the ultra-humidity and over-temperature service life time;
obtaining the temperature acceleration factor according to the normal life time and the overtemperature life time of the electric energy meter;
and obtaining the humidity acceleration factor according to the normal life time and the ultra-wet life time of the electric energy meter.
6. The circuit for monitoring the life of an electric energy meter according to claim 5, wherein the MCU is specifically configured to:
if the temperature value is greater than the preset temperature value and the humidity value is greater than the preset humidity value, recording a first time value, wherein the first time value corresponds to a temperature and humidity acceleration factor;
if the temperature value is greater than the preset temperature value and the humidity value is less than the preset humidity value, recording a second time value, wherein the second time value corresponds to a temperature acceleration factor;
and if the temperature value is smaller than the preset temperature value and the humidity value is larger than the preset humidity value, recording a third time value, wherein the third time value corresponds to a humidity acceleration factor.
7. The circuit for monitoring the service life of the electric energy meter according to claim 6, wherein the first time value is a time value corresponding to the temperature value being greater than the preset temperature value and the humidity value being greater than the preset humidity value; the second time value is a time value corresponding to the temperature value being greater than the preset temperature value and the humidity value being less than the preset humidity value; the third time value is a time value corresponding to the temperature value being smaller than the preset temperature value and the humidity value being larger than the preset humidity value.
8. An electronic device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of the method of any of claims 1 to 4 when executing the computer program.
9. A computer-readable medium having non-volatile program code executable by a processor, wherein the program code causes the processor to perform the method of any of claims 1 to 4.
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| US11920971B2 (en) | 2020-08-14 | 2024-03-05 | Honeywell International Inc. | Gas flowmeter having inline calibrating |
| CN112255463B (en) * | 2020-08-26 | 2022-11-29 | 国网山东省电力公司日照供电公司 | Grounding resistance monitoring method, system, terminal and storage medium |
| US11754429B2 (en) | 2020-11-11 | 2023-09-12 | Honeywell International Inc. | Multifunctional dust trap |
| US11323785B1 (en) | 2020-12-01 | 2022-05-03 | Honeywell International Inc. | Meter health function |
| CN112904268B (en) * | 2021-01-22 | 2022-05-17 | 国网浙江省电力有限公司舟山供电公司 | Electric energy meter replacement time prediction method based on salt spray aging and state monitoring |
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