CN211856729U - Multi-communication multifunctional three-phase intelligent electric energy meter - Google Patents
Multi-communication multifunctional three-phase intelligent electric energy meter Download PDFInfo
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- CN211856729U CN211856729U CN202020134473.1U CN202020134473U CN211856729U CN 211856729 U CN211856729 U CN 211856729U CN 202020134473 U CN202020134473 U CN 202020134473U CN 211856729 U CN211856729 U CN 211856729U
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Abstract
The utility model provides a multi-communication multifunctional three-phase intelligent electric energy meter, include controller, metering module and do the power module of controller and metering module power supply, metering module includes sampling circuit and measurement chip, the controller passes through 4G module connection in the server, infrared communication module and ethernet module are connected in addition to the controller, just the power supply end of 4G module is connected with energy storage circuit in order by energy storage circuit does 4G module power supply, energy storage circuit's charging end connect in power module with by power module does energy storage circuit charges. The utility model provides a plurality of communication modes for the electric energy meter, which not only can complete the basic remote meter reading function, but also is convenient for the local wireless debugging of the working personnel and the acquisition of the electric energy data of the user; meanwhile, an energy storage circuit is provided for the 4G module, and offline information can be sent to the server through the 4G module when power failure occurs, so that the server can master the state of the electric energy meter.
Description
Technical Field
The utility model relates to an intelligent electric meter technical field, concretely relates to multi-communication multifunctional three-phase intelligent electric energy meter.
Background
Along with the rapid development of the economy of China and the increasing improvement of the living standard of people. The demand of electric power is rapidly increased, but the waste of electric energy is quite heavy due to the thinness of the awareness of energy conservation and electricity saving, and the traditional power management can not meet the demand of the current society. In this respect, the research of the intelligent electric energy meter is indispensable. Traditional electric energy meter needs the manual work to get and checks meter, and this just needs a large amount of cost of labor, and in order to solve above-mentioned technical problem, people have proposed intelligent electric energy meter, and former meter reading can be realized to intelligent electric energy meter, possesses functions such as overpower tripping operation, has brought very big facility for people's life.
However, the electric energy meter in the prior art has only one communication function, and the communication connection between the electric energy meter and the server is generally realized through the ethernet communication module or the 4G module, so that a user can only see the electric energy meter when needing to acquire current or historical electric energy data, and the defects of inconvenience in viewing and the like exist.
In addition, the server in the prior art cannot acquire the power failure offline information of the electric energy meter in time under the condition of power failure, so that the server cannot master the power failure state of the electric energy meter.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, a have multi-functional three-phase intelligent electric energy meter of many communications is provided.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a multi-communication multifunctional three-phase intelligent electric energy meter, includes controller, metering module and does the power module of controller and metering module power supply, metering module includes sampling circuit and measurement chip, the controller passes through the 4G module and connects in the server, infrared communication module and ethernet module are connected in addition to the controller, just the power supply end of 4G module is connected with energy storage circuit with by energy storage circuit does the power supply of 4G module, energy storage circuit's charging end connect in power module with by power module does energy storage circuit charges.
In foretell multi-communication multifunctional three-phase intelligent electric energy meter, energy storage circuit includes charging circuit and discharge circuit, charging circuit includes the resistance group that constitutes by three current-limiting resistor that connect in parallel each other, the one end of resistance group is connected in power module's output, and the other end is connected in charging capacitor, charging capacitor keeps away from the one end of resistance group and connects in the ground, discharge circuit including connect in charging capacitor's discharge diode, discharge diode keeps away from charging capacitor's one end connect in 4G module is the circular telegram of 4G module.
In the multi-communication multifunctional three-phase intelligent electric energy meter, the charging capacitor is connected to the 4G module through a voltage-stabilizing tube for outputting 3.3V so as to provide a 3.3V power supply for the 4G module.
In the above multi-communication multifunctional three-phase intelligent electric energy meter, one end of the resistor group close to the charging capacitor is connected to a cathode of a voltage stabilizing diode, and an anode of the voltage stabilizing diode is connected to a ground end.
In the multi-communication multifunctional three-phase intelligent electric energy meter, a backflow prevention diode is connected between the resistor group and the charging capacitor, a detection end is arranged between the resistor group and the power module, and the detection end is directly or indirectly connected to the controller.
In the multi-communication multifunctional three-phase intelligent electric energy meter, the controller is further connected with a USB plug interface.
In foretell multi-communication multifunctional three-phase intelligent electric energy meter, the controller still be connected with the Lora module, just the controller passes through the Lora module is connected in the water gauge collector.
In the above mentioned multi-communication multifunctional three-phase intelligent electric energy meter, the metering chip is connected to the controller through an isolation circuit to send the metering data to the controller.
In the above-mentioned multi-communication multifunctional three-phase intelligent electric energy meter, the isolation circuit includes five isolation optocouplers, the input sides of three isolation optocouplers among the five isolation optocouplers are respectively connected to the controller, the output sides are respectively connected to the metering chip, the input sides of the remaining two isolation optocouplers are respectively connected to the metering chip, and the output sides are respectively connected to the controller.
In the multifunctional three-phase intelligent electric energy meter for multi-communication, the active pulse output end and the reactive pulse output end of the metering chip are respectively connected with an active pulse indicator lamp and a reactive pulse indicator lamp through isolation optocouplers.
The utility model has the advantages that:
1. the electric energy meter is provided with a plurality of communication modes, so that not only can the basic remote meter reading function be completed, but also the local wireless debugging of workers and the acquisition of user electric energy data are facilitated;
2. the energy storage circuit is provided for the 4G module, and offline information can be sent to the server through the 4G module when power failure occurs, so that the server can master the state of the electric energy meter;
3. a USB plug interface is provided, so that the external equipment can read the data of the electric energy meter conveniently;
4. realize the data acquisition to water gauge collector through the Lora module, play the function of water gauge collector, just need not increase the telecommunication function in the water gauge collector like this, improve the integrated level of water gauge and electric energy meter, reduce the network simultaneously and build the cost.
Drawings
Fig. 1 is a block diagram of a circuit structure according to a first embodiment of the present invention;
fig. 2 is a circuit diagram of an energy storage circuit according to a first embodiment of the present invention;
fig. 3 is a circuit block diagram according to a second embodiment of the present invention;
fig. 4 is a circuit diagram of an isolation circuit according to a second embodiment of the present invention;
fig. 5 is a circuit structure diagram of an indicator light in the second embodiment of the present invention;
fig. 6 is a circuit block diagram in the third embodiment of the present invention.
In the figure: a controller 1; a metering module 2; a sample circuit 21; a metering chip 22; a power supply module 3; 4G module 4; a server 5; an infrared communication module 61; an Ethernet module 62; a USB plug interface 63; a Lora module 64; a tank circuit 7; a water meter collector 8; an isolation circuit 9.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
As shown in fig. 1, the multi-communication multifunctional three-phase intelligent electric energy meter of the embodiment includes a controller 1, a metering module 2 and a power module 3 for supplying power to the controller 1 and the metering module 2, the metering module 2 includes a sampling circuit 21 and a metering chip 22, the metering chip may adopt model chips such as RN8320, the controller 1 includes a main control chip and a peripheral circuit thereof, the main control chip may adopt chips such as HT6023, and the controller 1 is connected to a server 5 through a 4G module 4 so as to send metering data of the metering module 2 to the server, thereby performing a remote meter reading function.
In particular, the controller 1 here is also connected to an infrared communication module 61 and an ethernet module 62. Controller 1 can be connected in user end and/or debugging end through infrared communication module 61, infrared communication module 61 can supply user end and/or debugging end to obtain the data of electric energy meter, control electric energy meter state etc. simultaneously, the staff does not need whole networking at the in-process of maintenance and debugging electric energy meter like this, can realize setting up and operation such as state control to the electric energy meter locally, the electric energy meter user also can obtain electric energy data etc. through removing the end, the user just can be in order to compare twice electric energy data before and after with electric energy data saving at removing the end like this, thereby make the user conveniently know own power consumption condition etc.. The controller 1 is also connected to the server 5 through the ethernet module 62, so as to use the ethernet module 62 to replace the 4G network to communicate with the server 5 in the environment with poor 4G network environment. The rest modules, such as the infrared communication module 61, the ethernet module 62, and the 4G module 4, are all powered by the power module 3 under the condition that the power module 3 is normally powered.
In addition, the power supply end of the 4G module 4 is connected with the energy storage circuit 7 to supply power to the 4G module 4 through the energy storage circuit 7, and the charging end of the energy storage circuit 7 is connected with the power supply module 3 to charge the energy storage circuit 7 through the power supply module 3. The energy storage circuit 7 is provided for the 4G module 4, the energy storage circuit 7 is charged by the power supply module, and when power failure occurs, the energy storage circuit 7 supplies power to the 4G module 4 so as to send power failure offline information to the server 5 through the 4G module 4.
Specifically, as shown in fig. 2, the energy storage circuit 7 includes a charging circuit and a discharging circuit, the charging circuit includes a resistor group formed by three current limiting resistors R17, R113, and R142 connected in parallel, and the charging speed can be controlled by the three current limiting resistors, so as to prevent the super capacitor from being damaged by excessive current. One end of the resistor group is connected to the output end of the power module 3, here, the 5.2V output end of the power module is connected, the other end of the resistor group is connected to the charging capacitor through a bleeder diode D32, one end of the charging capacitor, which is far away from the resistor group, is connected to the ground terminal GND, and the charging capacitor here includes two super capacitors C90 and C91 which are connected in series with each other; the discharging circuit comprises a discharging diode D12 connected to the charging capacitor, and one end of the discharging diode D12 far away from the charging capacitor is connected to the 4G module 4 through a voltage regulator tube IC16 for outputting 3.3V so as to provide 3.3V power for the 4G module 4.
Preferably, one end of the resistor group close to the charging capacitor is connected to the cathode of the zener diode Z1, the anode of the zener diode Z1 is connected to the ground GND, and the zener diode Z1 provides a stable charging voltage for the charging capacitor to prolong the service life of the charging capacitor.
Further, a detection end T2 is arranged between the resistor group and the power module 3, the detection end T2 is directly or indirectly connected to the controller 1, the voltage is detected at the T2 end when the power module is powered on, otherwise, the voltage cannot be detected, so that the controller knows whether the power is currently powered off, and the controller sends the power-off information to the server through the 4G module 4. When the power supply module 3 is not powered off, the power supply module 3 supplies electric energy, the capacitor discharges and supplies power to the 4G module 4 under the condition of power off, the controller is powered by the battery under the condition of power off so as to ensure that a clock is not lost after power off, the 4G module 4 supplies electric quantity by the charging capacitor, the sending of power off-line information is completed, the electric quantity of the battery for the controller 1 is not consumed, and the 4G module 4 does not need to provide an independent battery.
Further, a switch button can be connected between the charging capacitor and the ground GND in series to selectively start the function.
Example two
As shown in fig. 3, the present embodiment is similar to the present embodiment, except that the controller 1 of the present embodiment is further connected to a USB plug interface 63. Through the USB plug interface 63, external equipment can read the data of the electric energy meter in a USB data transmission mode and output debugging information of 4G communication and/or Ethernet communication to the electric energy meter so as to be used for detecting 4G communication/Ethernet communication fault cause troubleshooting and the like.
In addition, the metering chip 22 is connected to the controller 1 through the isolation circuit 9 to send the metering data to the controller 1 in an isolation communication mode, so that the safety of the circuit is ensured, the mutual interference between the circuits is reduced, and the problem of service life reduction caused by direct communication is avoided.
Specifically, as shown in fig. 4, the isolation circuit 9 includes five isolation optocouplers U8, U9, U10, U11, and U12, the input sides MCU _ SCLK, MCU _ SCSN, and MCU _ SDI of three isolation optocouplers U8, U10, and U12 of the five isolation optocouplers are respectively connected to the controller 1, the output sides SCLK, SCSN, and SDI are respectively connected to the corresponding SCLK, SCSN, and SDI ends of the metering chip 22, the input sides SDO and INTN of the remaining two isolation optocouplers U9 and U11 are respectively connected to the corresponding SDO and INTN of the metering chip 22, and the output sides MCU _ INTN and MCU _ SDO are respectively connected to the controller 1.
Further, as shown in fig. 5, the active pulse output end and the reactive pulse output end of the metering chip 22 are respectively connected to the active pulse indicator light LED7 and the reactive pulse indicator light LED8 through the isolation optocouplers U13 and U14 to react the active pulse and the reactive pulse by means of the indicator lights.
EXAMPLE III
As shown in fig. 6, the present embodiment is similar to the first or second embodiment, except that the controller 1 of the present embodiment is further connected to a Lora module 64, and the controller 1 is connected to the water meter collector 8 through the Lora module 64. Through configuring Lora module 64 for controller 1, and connect in water gauge collector 8 through Lora module 64, make the function of electric energy meter concentrator, need not set up the water gauge concentrator specially, also need not increase extra telecommunication function in water gauge collector 8, directly give controller 1 with data transmission through Lora wireless mode, then realize through controller 1 that data is long-range upload can, improve the integrated level of water gauge and electric energy meter simultaneously, avoid each metering device to be in the isolated state completely, be not convenient for unified control and unified receipt measured data.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a multi-communication multifunctional three-phase intelligent electric energy meter, includes controller (1), metering module (2) and does power module (3) of controller (1) and metering module (2) power supply, metering module (2) include sampling circuit (21) and measurement chip (22), controller (1) is connected in server (5) through 4G module (4), its characterized in that, controller (1) is connected infrared communication module (61) and ethernet module (62) in addition, just the power supply end of 4G module (4) is connected with energy storage circuit (7) with by energy storage circuit (7) do 4G module (4) power supply, the charge end of energy storage circuit (7) is connected in power module (3) with by power module (3) is energy storage circuit (7) charge.
2. The multi-communication multifunctional three-phase intelligent electric energy meter according to claim 1, wherein the energy storage circuit (7) comprises a charging circuit and a discharging circuit, the charging circuit comprises a resistor group formed by three current limiting resistors connected in parallel, one end of the resistor group is connected to the output end of the power module (3), the other end of the resistor group is connected to a charging capacitor, one end of the charging capacitor, which is far away from the resistor group, is connected to the ground, the discharging circuit comprises a discharging diode connected to the charging capacitor, and one end of the discharging diode, which is far away from the charging capacitor, is connected to the 4G module (4) to energize the 4G module (4).
3. The multi-communication multifunctional three-phase intelligent electric energy meter according to claim 2, wherein the charging capacitor is connected to the 4G module (4) through a voltage regulator tube for outputting 3.3V to provide 3.3V power for the 4G module (4).
4. The multi-communication multifunctional three-phase intelligent electric energy meter according to claim 3, wherein one end of the resistor group close to the charging capacitor is connected to a cathode of a voltage stabilizing diode, and an anode of the voltage stabilizing diode is connected to a ground terminal.
5. The multi-communication multifunctional three-phase intelligent electric energy meter according to claim 4, wherein a backflow prevention diode is connected between the resistor group and the charging capacitor, a detection end is arranged between the resistor group and the power module (3), and the detection end is directly or indirectly connected to the controller (1).
6. The multi-communication multifunctional three-phase intelligent electric energy meter according to claim 5, wherein the controller (1) is further connected with a USB plug interface (63).
7. The multi-communication multifunctional three-phase intelligent electric energy meter according to claim 6, wherein the controller (1) is further connected with a Lora module (64), and the controller (1) is connected with the water meter collector (8) through the Lora module (64).
8. The multi-communication multifunctional three-phase intelligent electric energy meter according to any one of claims 1 to 7, characterized in that the metering chip (22) is connected to the controller (1) through an isolation circuit (9) to send metering data to the controller (1).
9. The multi-communication multifunctional three-phase intelligent electric energy meter according to claim 8, wherein the isolation circuit (9) comprises five isolation optocouplers, input sides of three isolation optocouplers of the five isolation optocouplers are respectively connected to the controller (1), output sides of the three isolation optocouplers are respectively connected to the metering chip (22), input sides of the remaining two isolation optocouplers are respectively connected to the metering chip (22), and output sides of the remaining two isolation optocouplers are respectively connected to the controller (1).
10. The multi-communication multifunctional three-phase intelligent electric energy meter according to claim 9, wherein the active pulse output end and the reactive pulse output end of the metering chip (22) are respectively connected with an active pulse indicator lamp and a reactive pulse indicator lamp through isolation optocouplers.
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| CN202020134473.1U CN211856729U (en) | 2020-01-20 | 2020-01-20 | Multi-communication multifunctional three-phase intelligent electric energy meter |
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| CN202020134473.1U CN211856729U (en) | 2020-01-20 | 2020-01-20 | Multi-communication multifunctional three-phase intelligent electric energy meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112423440A (en) * | 2020-11-10 | 2021-02-26 | 珠海银河智能电网有限公司 | Indicating lamp circuit, control method and device, power supply equipment and storage medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112423440A (en) * | 2020-11-10 | 2021-02-26 | 珠海银河智能电网有限公司 | Indicating lamp circuit, control method and device, power supply equipment and storage medium |
| CN112423440B (en) * | 2020-11-10 | 2023-10-20 | 珠海银河智能电网有限公司 | Indicator light circuit, control method and device, power supply equipment and storage medium |
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