CN211348420U - Multi-path intelligent electric meter and power supply system - Google Patents
Multi-path intelligent electric meter and power supply system Download PDFInfo
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- CN211348420U CN211348420U CN201922497025.8U CN201922497025U CN211348420U CN 211348420 U CN211348420 U CN 211348420U CN 201922497025 U CN201922497025 U CN 201922497025U CN 211348420 U CN211348420 U CN 211348420U
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Abstract
The utility model provides a multichannel smart electric meter and power supply system relates to smart electric meter technical field, and this ammeter includes: the system comprises a metering circuit, a processor circuit, a communication circuit and a user interface, wherein the user interface is in multi-path and is used for accessing the user circuit and is connected with the metering circuit, and the metering circuit collects multi-path electric signals through the user interface; the metering circuit is connected with the processor circuit and used for generating power utilization parameter information and sending the power utilization parameter information to the processor circuit; the processor circuit is connected with the communication circuit and used for receiving the electricity parameter information and sending the electricity parameter information to the user side or the power supply side through the communication circuit, and the ammeter is used for being connected into the multi-path user circuit, so that the technical problems that the structure for configuring the ammeter is complex and the electricity information acquisition efficiency is low in the prior art can be solved, and the beneficial effects that the ammeter structure is simplified and the metering efficiency is improved are achieved.
Description
Technical Field
The utility model belongs to the technical field of the smart electric meter technique and specifically relates to a multichannel smart electric meter and power supply system are related to.
Background
With the rapid development of economy in China, the demand of various industries on electricity is increasingly large, and the phenomenon of unbalanced electricity consumption in different time areas is increasingly serious. At present, the traditional electric meters are difficult to meet the application of complex scenes, for example, in some large villas or manholes, a plurality of large household appliances are provided, the configuration of the electric meters is often realized by adopting a method of distributing and using a plurality of electric meters according to preset load, one set of basic hardware is needed when one set of electric meters is configured, the number of overlapped hardware of structural components of the plurality of electric meters is too large, the structure for configuring the electric meters is complex, the cost is high, the plurality of electric meters need to be respectively metered and summarized, and the problem of low efficiency of obtaining electricity utilization information exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multichannel smart electric meter and power supply system to alleviate the technical problem that the many ammeter structures of configuration that exist are complicated, power consumption information acquisition inefficiency among the prior art.
In a first aspect, an embodiment provides a multi-channel smart meter, including: a metering circuit, a processor circuit, a communication circuit and a user interface;
the user interface is in multi-path and is used for accessing a user circuit, and the user interface is connected with the metering circuit; the metering circuit collects a plurality of paths of electric signals through the user interface;
the metering circuit is connected with the processor circuit and is used for generating power utilization parameter information and sending the power utilization parameter information to the processor circuit;
the processor circuit is connected with the communication circuit and used for receiving the electricity utilization parameter information and sending the electricity utilization parameter information to a user side or a power supply side through the communication circuit.
In an alternative embodiment, the user interface is a first number of road user interfaces, the first number being at least 3; the first number of road user interfaces are used for accessing a first number of road single-phase user circuits; or combining 3 paths of user interfaces in the first number of paths of user interfaces for accessing the three-phase user circuit.
In an alternative embodiment, the method further comprises: the power conversion circuit is respectively connected with the metering circuit, the processor circuit and the communication circuit; the power supply conversion circuit is used for converting an alternating current signal into a direct current signal and respectively supplying power to the metering circuit, the processor circuit and the communication circuit.
In an optional embodiment, the user interface is further configured to obtain the ac electrical signal to power the power conversion circuit.
In an optional embodiment, the power conversion circuit and the communication circuit are both designed for hot plug.
In an alternative embodiment, the processor circuit further comprises a plurality of demultiplexing units, the number of demultiplexing units corresponding to the number of user interfaces, for individually controlling the power supply and the power off of each of the user circuits.
In an alternative embodiment, the metering circuit comprises a voltage sampling unit and a current sampling unit; the current sampling unit is used for collecting multi-path current signals, and the voltage sampling unit is used for collecting multi-path voltage signals; the current sampling unit collects the number of the current signals to be a first number.
In an alternative embodiment, the communication circuit comprises: near-infrared communication circuit, 485 communication circuit and power line carrier communication circuit.
In an alternative embodiment, the electricity parameter information includes an electricity parameter for each circuit and an overall electricity parameter.
In a second aspect, an embodiment provides a power supply system, including the multi-channel smart meter in any one of the foregoing embodiments.
The embodiment of the application brings the following beneficial effects:
the utility model provides a multichannel smart electric meter and power supply system, this ammeter includes: the system comprises a metering circuit, a processor circuit, a communication circuit and a user interface, wherein the user interface is in multi-path and is used for accessing the user circuit and is connected with the metering circuit, and the metering circuit collects multi-path electric signals through the user interface; the metering circuit is connected with the processor circuit and used for generating power utilization parameter information and sending the power utilization parameter information to the processor circuit; the processor circuit is connected with the communication circuit and used for receiving the electricity parameter information and sending the electricity parameter information to the user side or the power supply side through the communication circuit, and the ammeter is used for being connected into the multi-path user circuit, so that the technical problems that the structure for configuring the ammeter is complex and the electricity information acquisition efficiency is low in the prior art can be solved, and the beneficial effects that the ammeter structure is simplified and the metering efficiency is improved are achieved.
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 view of a multi-path smart electric meter according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a multi-path smart electric meter according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a communication circuit structure of a multi-path smart electric meter according to an embodiment of the present invention;
fig. 4 is the embodiment of the utility model provides a multichannel smart electric meter structural connection sketch map.
Icon: 100-multi-path intelligent electric meters; 110-a metering circuit; 120-a processor circuit; 130-a communication circuit; 140-a user interface; 150-a power conversion circuit; 131-a near infrared communication circuit; 132-; 133-power carrier communication circuit.
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. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
At present, the traditional electric meter is difficult to meet the application of complex scenes, for example, in some larger villas or manholes, a plurality of large household appliances exist, the configuration of the electric meter is usually realized by adopting a method of distributing and using a plurality of electric meters according to preset load, and each configured electric meter needs one set of basic hardware, so that the method has the following defects: the common hardware and structural members of a plurality of electric meters are overlapped too much, so that the structure for configuring the electric meters is complex and the cost is high; the problem that the efficiency of acquiring the electricity utilization information is low exists because a plurality of electric meters need to respectively carry out electricity utilization parameter metering and data summarization.
Based on this, the embodiment of the application provides a multichannel smart electric meter and power supply system to alleviate the technical problems that the configuration of a plurality of electric meters in the prior art is complicated in structure and low in power consumption information acquisition efficiency. In order to facilitate understanding of the embodiment, a detailed description is first given of the multi-path smart meter provided in the embodiment of the present application.
Referring to fig. 1 to 2, the multi-path smart meter 100 includes: metering circuitry 110, processor circuitry 120, communication circuitry 130, and user interface 140; the user interface 140 is a plurality of paths and is used for accessing the user circuit, and the user interface 140 is connected with the metering circuit 110; the metering circuit 110 collects multiple electrical signals through the user interface 140; the metering circuit 110 is connected with the processor circuit 120, and the metering circuit 110 is used for generating electricity parameter information and sending the electricity parameter information to the processor circuit 120; the processor circuit 120 is connected to the communication circuit 130, and is configured to receive the power consumption parameter information and send the power consumption parameter information to the user terminal or the power supply terminal through the communication circuit 130.
The metering circuit 110 is further configured to calculate and generate power consumption parameter information according to the collected multiple electrical signals; the metering circuit 110 is further configured to receive a request from the processor circuit 120 and send power usage parameter information to the processor circuit 120 according to the request.
In some embodiments, the electricity usage parameter information includes a per-circuit electricity parameter and an overall electricity usage parameter.
The per-circuit electricity parameters may include individual electricity usage of each access subscriber circuit, and the overall electricity usage parameters may include total electricity usage of all access subscriber circuits, and so on. The multichannel smart electric meter that this embodiment provided inserts multichannel user circuit through one set of ammeter hardware architecture, has realized that hardware architecture is simple, with low costs, small effect.
In some embodiments, the user interfaces are a first number of road user interfaces, the first number being at least 3; the first number of the line user interfaces are used for accessing a first number of the single-phase user circuits; or combining 3 user interfaces in the first number of user interfaces for accessing the three-phase user circuit.
Specifically, when the number of the user interfaces is 12, the method can be used for accessing 12 single-phase user circuits; or 3 user interfaces in the 12-channel user interface are combined for accessing the three-phase user circuit, and at the moment, the 12-channel user interface can access 4-channel three-phase user circuit at most.
For example, taking a 12-channel user interface as an example, the following five access modes can be realized through the 12-channel user interface: the circuit comprises 12 paths of single-phase user circuits, 1 path of three-phase user circuits, 9 paths of single-phase user circuits, 2 paths of three-phase user circuits, 6 paths of single-phase user circuits, 3 paths of three-phase user circuits, 3 paths of single-phase user circuits and 4 paths of three-phase user circuits. It should be noted that, when each three user interfaces are combined into one path to access the three-phase user circuit, the user interfaces need to be combined according to specific requirements, rather than any three paths.
The embodiment can meet the electric meter configuration of medium and small-sized power utilization scenes, such as villas, manor, companies and the like, not only needs a plurality of houses or various electric appliances to respectively measure power utilization information, but also needs to collect and check the conditions of payment, record and the like in time, and the requirements can be met only by respectively accessing the electric meters through a plurality of user interfaces. Hardware equipment for arranging a plurality of electric meters is reduced, the arrangement structure is simplified, the cost is reduced, and the collection of power utilization information is realized.
In some embodiments, referring to fig. 2, the multi-channel smart meter 100 further includes: the power conversion circuit 150, the power conversion circuit 150 is respectively connected with the metering circuit 110, the processor circuit 120 and the communication circuit 130; the power conversion circuit 150 is configured to convert the ac signal into a dc signal and supply power to the metering circuit 110, the processor circuit 120, and the communication circuit 130, respectively.
The power conversion circuit 150 may include: and the metering power supply unit, the processor power supply unit and the communication interface power supply unit are respectively used for connecting the metering circuit, the processor circuit and the communication circuit and supplying power to the corresponding circuits.
In some embodiments, the user interface 140 is further configured to obtain an ac electrical signal to power the power conversion circuit 150.
Specifically, the power conversion circuit 150 may include an ac/dc conversion unit, which is connected to the user interface 140, and obtains an ac signal from a power supply terminal, and converts the ac signal into a dc signal to power the metering circuit, the processor circuit, and the communication circuit. The power conversion circuit is an independent module and is designed for hot plugging, and can be detached and replaced independently when a fault occurs, so that the power conversion circuit is simple in structure and convenient to maintain.
In some embodiments, the processor circuit 120 further includes a number of de-multiplexing units corresponding to the number of user interfaces 140 for individually controlling the powering up and down of each of the user circuits.
The utility model provides a multichannel smart electric meter can measure respectively to the output of multichannel user circuit, and control circuit collects power consumption information such as each way electric quantity, quality and gathers, can audio-visually see each way and general power consumption parameter information, has improved power consumption information and has acquireed efficiency.
In some embodiments, the metering circuit 110 includes a voltage sampling unit and a current sampling unit; the current sampling unit is used for collecting a plurality of paths of current signals, and the voltage sampling unit is used for collecting a plurality of paths of voltage signals; the number of the current signals collected by the current sampling unit is a first number.
In some embodiments, the power conversion circuit 150 and the communication circuit 130 are both hot-swap designs. The power conversion circuit can comprise an AC-DC power conversion module, a metering power supply unit, a processor power supply unit and a communication interface power supply unit.
In some embodiments, the communication circuit includes 130: near-infrared communication circuit, 485 communication circuit and power line carrier communication circuit.
Further, referring to fig. 3, the near infrared communication circuit 131 may be a near infrared communication interface, and may be configured to transmit the power consumption information to the user terminal or the power supply terminal in a near infrared communication manner; the 485 communication circuit 132 can be an RS485 communication unit, and can transmit the electricity consumption information to a user terminal or a power supply terminal through an RS485 communication interface; the power line carrier communication circuit 133 is also called a PLC communication circuit, and can transmit signals at a high speed by using a carrier method using an existing line. The three communication circuits can realize information interaction between the electric meter and the user terminal through the processor circuit 120 in the electric meter.
Preferably, the embodiment of the present application provides a multi-path smart meter, the structural connection of which is shown in fig. 4, the smart meter is a 12-path smart meter, and can be connected to a 12-path single-phase user circuit, a 1-path three-phase user circuit and a 9-path single-phase user circuit, a 2-path three-phase user circuit and a 6-path single-phase user circuit, a 3-path three-phase user circuit and a 3-path single-phase user circuit, or a 4-path three-phase user circuit. The electric meter comprises a 12-path metering module, a processor module, an AC-DC power supply conversion module and a communication module.
The 12-path metering module comprises a voltage sampling unit, a current sampling unit and a metering unit; the communication module includes: a PLC communication unit (power carrier communication unit), a near infrared communication unit and an RS485 communication unit; the AC-DC power conversion module comprises a communication interface power supply unit, a processor power supply unit and a metering power supply unit.
Taking the example of accessing 12 paths of single-phase user circuits, the 12 paths of metering modules respectively acquire current signals of the 12 paths of user circuits through the current sampling unit and acquire voltage signals through the voltage sampling unit; the 12-path metering module calculates and generates power consumption parameter information according to the collected current signals and voltage signals of the user circuit and sends the power consumption parameter information to the processor; the processor receives the electricity utilization parameter information, and sends each circuit of electricity utilization parameters and the whole electricity utilization parameters to the user side or the power supply side through any one of the communication modules so that a user can check the electricity utilization condition or the power supply side can count the electricity utilization condition.
The embodiment of the application provides a multichannel smart electric meter includes: the device comprises a metering circuit, a processor circuit, a communication circuit and a plurality of user interfaces, wherein the plurality of user interfaces are connected with the metering circuit, and the metering circuit collects a plurality of paths of electric signals through the plurality of user interfaces; the metering circuit is connected with the processor circuit and used for calculating and generating electricity utilization parameter information according to the multi-path electric signals and sending the electricity utilization parameter information to the processor circuit; the processor circuit is connected with the communication circuit and used for receiving the electricity consumption parameter information and sending the electricity consumption parameter information to the user side or the power supply side through the communication circuit, so that the technical problems that the structure for configuring the electricity meter is complex and the electricity consumption information acquisition efficiency is low in the prior art can be solved, and the beneficial effects that the structure of the electricity meter is simplified and the metering efficiency is improved are achieved.
The embodiment of the application also provides a power supply system which comprises the multi-path intelligent electric meter shown in any one of the implementation modes. The implementation manner and the generated technical effects are the same as those of the foregoing multi-path smart meter embodiment, and for brief description, corresponding contents in the foregoing embodiment may be referred to where no mention is made in the system embodiment, and are not repeated herein.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to be referred must have a specific position, 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 the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A multi-way smart meter, comprising: a metering circuit, a processor circuit, a communication circuit and a user interface;
the user interface is in multi-path and is used for accessing a user circuit, and the user interface is connected with the metering circuit; the metering circuit collects a plurality of paths of electric signals through the user interface;
the metering circuit is connected with the processor circuit and is used for generating power utilization parameter information and sending the power utilization parameter information to the processor circuit;
the processor circuit is connected with the communication circuit and used for receiving the electricity utilization parameter information and sending the electricity utilization parameter information to a user side or a power supply side through the communication circuit.
2. The multi-way smart meter of claim 1, wherein the user interface is a first number of way user interfaces, the first number being at least 3;
the first number of road user interfaces are used for accessing a first number of road single-phase user circuits; or combining 3 paths of user interfaces in the first number of paths of user interfaces for accessing the three-phase user circuit.
3. The multi-channel smart meter of claim 1, further comprising: the power conversion circuit is respectively connected with the metering circuit, the processor circuit and the communication circuit; the power supply conversion circuit is used for converting an alternating current signal into a direct current signal and respectively supplying power to the metering circuit, the processor circuit and the communication circuit.
4. The multi-channel smart meter of claim 3, wherein the user interface is further configured to obtain the AC signal to power the power conversion circuit.
5. The multi-channel smart meter of claim 3, wherein the power conversion circuit and the communication circuit are both hot-pluggable.
6. The multi-channel smart meter of claim 1, wherein the processor circuit further comprises a plurality of de-multiplexing units, the number of de-multiplexing units corresponding to the number of user interfaces, for individually controlling power supply and power down of each of the user circuits.
7. The multi-channel smart meter of claim 1, wherein the metering circuit comprises a voltage sampling unit and a current sampling unit; the current sampling unit is used for collecting multi-path current signals, and the voltage sampling unit is used for collecting multi-path voltage signals; the current sampling unit collects the number of the current signals to be a first number.
8. The multi-channel smart meter of claim 1, wherein the communication circuit comprises: near-infrared communication circuit, 485 communication circuit and power line carrier communication circuit.
9. The multi-channel smart meter of claim 1, wherein the electricity usage parameter information comprises an electricity usage parameter per channel and an overall electricity usage parameter.
10. A power supply system comprising a multi-channel smart meter as claimed in any one of claims 1 to 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019224208071 | 2019-12-27 | ||
| CN201922420807 | 2019-12-27 |
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| Publication Number | Publication Date |
|---|---|
| CN211348420U true CN211348420U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922497025.8U Active CN211348420U (en) | 2019-12-27 | 2019-12-31 | Multi-path intelligent electric meter and power supply system |
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|---|---|
| CN (1) | CN211348420U (en) |
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- 2019-12-31 CN CN201922497025.8U patent/CN211348420U/en active Active
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