CN217689161U - Automatic timing electric energy meter - Google Patents
Automatic timing electric energy meter Download PDFInfo
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- CN217689161U CN217689161U CN202221763356.7U CN202221763356U CN217689161U CN 217689161 U CN217689161 U CN 217689161U CN 202221763356 U CN202221763356 U CN 202221763356U CN 217689161 U CN217689161 U CN 217689161U
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Abstract
The utility model provides an automatic timing electric energy meter, include: an electric energy meter body; the power supply module comprises a power circuit and a battery, is positioned in the electric energy meter body and is used for supplying power to the circuit of the whole electric energy meter; the 4G module is positioned on the electric energy meter body, is connected with the control chip through a 4G communication interface and is used for acquiring network time; and the control chip is positioned in the electric energy meter body and used for acquiring the voltage of the power supply module and the network time sent by the 4G module, and when the power supply circuit is powered off and the battery is in undervoltage, the electric energy meter is calibrated based on the network time sent by the 4G module, and the normal date and time are recovered. The utility model provides an automatic timing electric energy meter acquires the network time through the 4G module, falls the electric energy meter and goes up the automatic timing of electricity back again, resumes accurate date, time and accomplishes the timesharing measurement according to accurate time, and the timesharing measurement accuracy that can guarantee the electric energy meter in time, accurate timing of electric energy meter reduces user's unnecessary loss.
Description
Technical Field
The utility model relates to an electric energy meter technical field, concretely relates to automatic timing electric energy meter.
Background
The existing electronic electric energy meter has the functions of time-sharing metering of electric energy, data processing, remote meter reading, information interaction and the like, and is suitable for metering the electricity consumption of places such as schools, factories, markets and the like. Traditional electric energy meter disposes the power supply battery and maintains electric energy meter internal circuit's normal work, but battery when on the electric energy meter reaches service life or other reasons lead to the voltage reduction, and when the electric quantity was not enough, electric energy meter self time and calendar probably are inaccurate, and most when prior art comes the timing through special timing device, and the process time of timing has very big error, and the inaccurate electric energy timesharing of leading to of time measures is inaccurate. The electricity prices at different time intervals are different, the electric energy time-sharing metering is inaccurate, great loss is brought to users, and great hidden danger and defects exist for power supply companies and users.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an automatic timing electric energy meter solves the inaccurate problem of time measurement is undervoltage to the battery of the time measurement electric energy meter of tradition utilization battery power supply.
The utility model provides an automatic timing electric energy meter, include:
an electric energy meter body;
the power supply module comprises a power circuit and a battery, is positioned in the electric energy meter body and is used for supplying power to the circuit of the whole electric energy meter;
the 4G module is positioned on the electric energy meter body, is connected with the control chip through a 4G communication interface and is used for acquiring network time;
and the control chip is positioned in the electric energy meter body and used for acquiring the voltage of the power supply module and the network time sent by the 4G module, and when the power supply circuit is powered off and powered on and the battery is under-voltage, the electric energy meter is calibrated based on the network time sent by the 4G module, and the normal date and time are recovered.
The automatic timing electric energy meter utilizes the 4G module to acquire network time, when the electric energy meter is automatically calibrated after power failure and power on, accurate date and time are recovered, time sharing measurement is realized according to accurate time, the electric energy meter can be timely and accurately calibrated, the time sharing measurement of the electric energy meter can be guaranteed to be accurate, and unnecessary loss of a user is reduced.
Optionally, the power circuit is connected with a mains supply and used for supplying power to the electric energy meter under the power-on condition; the battery is used for supplying power to the electric energy meter under the condition of power failure.
Adopt two kinds of modes to supply power for the electric energy meter, the commercial power provides the power for the electric energy meter after handling under the normal condition, and is simple and convenient, utilizes the battery power supply when the outage, can guarantee the normal work of electric energy meter, avoids time and date confusion.
Optionally, the automatic timing electric energy meter further includes:
the storage is positioned on the electric energy meter body, connected with the control chip and used for storing the information of the electric energy meter; the electric energy meter is provided with the storage, so that all information of the electric energy meter can be stored, including time information, counting information and the like, and the charging error is avoided.
And the display circuit is positioned on the electric energy meter body, is connected with the control chip and is used for displaying the information of the electric energy meter. The information of the electric energy meter is displayed through the display circuit, so that the electric energy meter can be conveniently checked at any time, and when a fault occurs, the electric energy meter can be processed as soon as possible according to a displayed fault symbol and can recover normal power utilization.
Optionally, the automatic timing electric energy meter further includes:
and the communication module comprises an RS485 module and an infrared communication circuit, is positioned on the electric energy meter body, is connected with the control chip and is used for sending the reading of the electric energy meter.
The communication module enables the electric energy meter and peripheral equipment to exchange data, for example, counting information is sent to a remote terminal or mobile equipment, so that electricity consumption is convenient to count, and the remote terminal can also monitor or diagnose the electric energy meter remotely, so that normal use of the electric energy meter is ensured.
Optionally, the automatic timing electric energy meter further includes:
and the pulse indicating circuit is positioned on the electric energy meter body, is connected with the control chip and is used for displaying the running state of the electric energy meter. The electric energy meter is provided with a pulse indicating circuit which can display the power utilization state of a user, and the higher the frequency of pulse generation is, the larger the load in the circuit is, and the larger the power utilization power of an electric appliance in the circuit is.
Optionally, the automatic timing electric energy meter further includes: the pulse indicating circuit adopts a light emitting diode to display the running state of the electric energy meter. The light-emitting diode has the advantages of simple structure, high stability, stability and high efficiency, uses the diode in the pulse indicating circuit to display the running state of the electric energy meter, is low in price and reduces the production cost of the electric energy meter.
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 embodiments or the technical solutions in 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an automatic timing electric energy meter according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a specific embodiment of an automatic timing electric energy meter provided by an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific 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.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
An embodiment of the utility model provides an automatic timing electric energy meter, as shown in FIG. 1, include:
electric energy meter body 1. For example, the electric energy meter may be any type of electric energy meter having a time-sharing metering function, in this embodiment, a DTSF858 type three-phase multi-rate electric energy meter is taken as an example, but not limited thereto, a power-on automatic time calibration Technology is added to the DTSF858 type three-phase multi-rate electric energy meter, and the DTSF858 type three-phase multi-rate electric energy meter adopts a special large scale integrated circuit and Surface Mount Technology (SMT) production process, and has functions of electric energy time-sharing metering, data processing, remote meter reading, information interaction, and the like. The device has the function of forward active electric energy metering, and comprises the steps of accumulating and storing the total power consumption and the time-sharing electric quantity respectively. As shown in fig. 2, in an embodiment, the three-phase wire inlet is directly connected to the sampling circuit, the sampling circuit is connected to the control chip through the metering chip, the rectifying and filtering voltage-stabilizing circuit is connected to the metering chip to provide electric energy for the metering chip, and in addition, a key circuit for external input is provided.
And the power supply module 2 comprises a power circuit and a battery, is positioned inside the electric energy meter body and is used for supplying power to the circuit of the whole electric energy meter. Illustratively, the electric energy meter needs to be powered by a power supply during normal operation, and as shown in fig. 2, the power supply module comprises a power input circuit composed of transformers and respectively connected with A, B, C three-phase and N-phase inlet ports, a rectifying circuit connected with the input circuit, a voltage stabilizing circuit for providing stable voltage, and a battery for providing power for a clock and a liquid crystal display screen during power failure.
In particular, in one embodiment,
the power circuit 21 is connected to a mains supply and is configured to supply power to the electric energy meter when the power circuit is powered on, and illustratively, before the three-phase power input circuit is connected to the control chip, a rectifying circuit, a filter circuit and a voltage stabilizing circuit are required to process the three-phase power and convert the three-phase power into a stable direct current power to supply power to the electric energy meter.
And a battery 22 for powering the energy meter in the event of a power outage. For example, a direct current battery for storing electric energy can be used, the direct current battery can independently supply power to the electric energy meter, and the battery life requires ten years or more, for example, in this embodiment, a 3.6V lithium battery is used for the DTSF858 type three-phase multi-rate electric energy meter, but not limited thereto.
This embodiment adopts two kinds of modes to supply power for the electric energy meter, and the commercial power provides the power for the electric energy meter after handling under the normal condition, and is simple and convenient, utilizes battery powered when the outage, can guarantee the normal work of electric energy meter, avoids time and date confusion.
And the 4G module 3 is positioned on the electric energy meter body, is connected with the control chip through a 4G communication interface and is used for acquiring network time. Illustratively, the 4G module is internally provided with a SIM card, network time can be acquired through a 4G base station in a networking manner, and a high-precision GPS receiver is arranged in the 4G base station, receives the precise time and transmits the precise time to the 4G module through the SIM card network.
And the control chip 4 is positioned inside the electric energy meter body and used for acquiring the voltage of the power supply module and the network time sent by the 4G module, and when the power supply circuit is powered off and the battery is under-voltage, the electric energy meter is calibrated based on the network time sent by the 4G module, and the normal date and time are recovered. For example, the control chip is a core component of the electric energy meter, as shown in fig. 2, an HT6015 single chip microcomputer may be used, a high-precision clock is built in, the selection of the chip is not limited to this, the chip may be other types of chips or circuits with the same function, peripheral circuits and use configurations of chips of different types refer to a corresponding chip manual, and details are not repeated herein. When detecting that the power supply circuit of the electric energy meter is powered off and on, the power supply voltage reaches a set threshold value and the battery is under-voltage, the control chip performs timing according to the network time of the 4G module, and the timing is not needed in other situations.
The automatic timing electric energy meter utilizes the 4G module to acquire network time, can automatically correct the time and restore normal date, time and time-sharing measurement after power failure and power on, and it needs to be explained that the control chip in the implementation judges the power failure and undervoltage states of the electric energy meter to be the existing mature function. Compared with the prior art, the time-sharing metering method has the advantages that a special time-correcting tool is adopted, the time-sharing metering is realized according to accurate time based on the network time of the 4G module in the embodiment, the real-time performance is high, the time-sharing metering of the electric energy meter can be guaranteed to be accurate by timely and accurate time correction of the electric energy meter, and unnecessary loss of a user is reduced.
Specifically, in an embodiment, the automatic timing electric energy meter further includes:
and the memory 5 is positioned on the electric energy meter body, is connected with the control chip and is used for storing the information of the electric energy meter. For example, a Programmable read only memory (EEPROM) may be used, and the EEPROM has a function of not losing data when power is off, and here, the EEPROM is not limited to this, and the EEPROM has only to have the same function. The electric energy meter is provided with the storage, so that all information of the electric energy meter can be stored, including time information, counting information and the like, and the charging error is avoided.
And the display circuit 6 is positioned on the electric energy meter body, is connected with the control chip and is used for displaying the information of the electric energy meter. For example, as shown in fig. 2, the display circuit is usually configured with an LCD display screen and is provided with a backlight driver, and may display current time information, charging information of the electric energy meter, running state information of the electric energy meter, and the like, and may also use other modules or circuits with the same display function, without being limited thereto. The information of the electric energy meter is displayed through the display circuit, so that the electric energy meter can be conveniently checked at any time, and when a fault occurs, the electric energy meter can be processed as soon as possible according to a displayed fault symbol and can recover normal power utilization.
Specifically, in an embodiment, the automatic timing electric energy meter further includes:
the communication module 7, as shown in fig. 2, includes an RS485 module and an infrared communication circuit, is located on the electric energy meter body, and is connected to the control chip for sending the reading of the electric energy meter. Exemplarily, the RS485 module can read out various data of the electric energy meter, such as various electric quantities and various parameters of the electric energy meter, and can configure the parameters of the electric energy meter, such as modifying passwords, setting rates and the like, so as to facilitate management; besides the RS485 module, the system is also provided with an infrared communication circuit for receiving the instruction of the mobile equipment and completing the work of meter reading, parameter configuration and the like.
The communication module enables the electric energy meter and peripheral equipment to exchange data, for example, counting information is sent to a remote terminal or mobile equipment, so that electricity consumption is convenient to count, and the remote terminal can also monitor or diagnose the electric energy meter remotely, so that normal use of the electric energy meter is ensured.
Specifically, in an embodiment, the automatic timing electric energy meter further includes:
the pulse indicating circuit 8, as shown in fig. 2, is located on the electric energy meter body, connected to the control chip, and configured to display an operating state of the electric energy meter. The electric energy meter is provided with a pulse indicating circuit which can display the power utilization state of a user, and the higher the frequency of pulse generation is, the larger the load in the circuit is, and the larger the power utilization power of an electric appliance in the circuit is.
Specifically, in an embodiment, the automatic timing electric energy meter further includes: the pulse indicating circuit adopts a light emitting diode to display the running state of the electric energy meter. Besides the light emitting diode in the pulse indicating circuit, the pulse indicating circuit also comprises a reverse indicating lamp and an alarm indicating lamp, the reverse indicating lamp and the diode of the pulse indicating circuit reflect the running state of the electric energy meter together, and when a fault occurs, the indicating lamp flickers or is normally on. The LED has simple structure and high stability, uses the diode to display the running state of the electric energy meter in the pulse indicating circuit, is stable and efficient, has low price and reduces the cost of the electric energy meter.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (6)
1. An automatic timing electric energy meter, comprising:
an electric energy meter body;
the power supply module comprises a power circuit and a battery, is positioned in the electric energy meter body and is used for supplying power to the circuit of the whole electric energy meter;
the 4G module is positioned on the electric energy meter body, is connected with the control chip through a 4G communication interface and is used for acquiring network time;
and the control chip is positioned in the electric energy meter body and used for acquiring the voltage of the power supply module and the network time sent by the 4G module, and when the power supply circuit is powered off and powered on and the battery is under-voltage, the electric energy meter is calibrated based on the network time sent by the 4G module, and the normal date and time are recovered.
2. The automatic timing electric energy meter according to claim 1,
the power supply circuit is connected with commercial power and used for supplying power to the electric energy meter under the power-on condition;
the battery is used for supplying power to the electric energy meter under the condition of power failure.
3. The automatic timing electric energy meter according to claim 1, further comprising:
the storage is positioned on the electric energy meter body, connected with the control chip and used for storing the information of the electric energy meter;
and the display circuit is positioned on the electric energy meter body, is connected with the control chip and is used for displaying the information of the electric energy meter.
4. The automatic timing electric energy meter according to claim 1 or 3, further comprising:
and the communication module comprises an RS485 module and an infrared communication circuit, is positioned on the electric energy meter body, is connected with the control chip and is used for sending the reading of the electric energy meter.
5. The automatic timing electric energy meter according to claim 1, further comprising:
and the pulse indicating circuit is positioned on the electric energy meter body, is connected with the control chip and is used for displaying the running state of the electric energy meter.
6. The automatic timing electric energy meter according to claim 5, further comprising: the pulse indicating circuit adopts a light emitting diode to display the running state of the electric energy meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221763356.7U CN217689161U (en) | 2022-07-06 | 2022-07-06 | Automatic timing electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221763356.7U CN217689161U (en) | 2022-07-06 | 2022-07-06 | Automatic timing electric energy meter |
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| Publication Number | Publication Date |
|---|---|
| CN217689161U true CN217689161U (en) | 2022-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221763356.7U Active CN217689161U (en) | 2022-07-06 | 2022-07-06 | Automatic timing electric energy meter |
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| CN (1) | CN217689161U (en) |
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2022
- 2022-07-06 CN CN202221763356.7U patent/CN217689161U/en active Active
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