CN210534232U - Intelligent electric meter and control system thereof - Google Patents
Intelligent electric meter and control system thereof Download PDFInfo
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- CN210534232U CN210534232U CN201921124736.4U CN201921124736U CN210534232U CN 210534232 U CN210534232 U CN 210534232U CN 201921124736 U CN201921124736 U CN 201921124736U CN 210534232 U CN210534232 U CN 210534232U
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Abstract
The utility model discloses an intelligent electric meter, include: the central processing unit, the power module, connect with central processing unit, measure chip, display module; the intelligent ammeter is connected with the concentrator through an RS485 interface and uploads meter reading data in real time; the power supply module is connected with the concentrator; the display module is connected with the concentrator; the full electronic design is adopted, a special metering chip is arranged in the full electronic design, and the full electronic type intelligent metering device has the characteristics of high precision, high sensitivity, logic submergence prevention, high reliability, wide load and the like; the displayed data is comprehensive and clear, the data recording is accurate and reliable, and the data is not lost; the optimized design is adopted, the power consumption is low, the line loss of the power grid can be reduced when the power grid is used in a large range, and the power supply efficiency is improved; the photoelectric isolation pulse output and RS485 communication interface are provided, so that the function expansion is facilitated; small volume, light weight, convenient installation and various external dimensions.
Description
Technical Field
The utility model belongs to the technical field of smart electric meter, concretely relates to smart electric meter still relates to a smart electric meter's control system.
Background
The intelligent electric meter is an intelligent terminal of an intelligent power grid, which is not an electric energy meter in the traditional sense, has intelligent functions such as bidirectional multi-rate metering function, user side control function, bidirectional data communication function of multiple data transmission modes, electricity larceny prevention function and the like in order to adapt to the use of the intelligent power grid and new energy besides the metering function of basic electricity consumption of the traditional electric energy meter, and represents the development direction of an intelligent terminal of a future energy-saving intelligent power grid end user, but the intelligent electric meter in the market generally has the problem of low intelligent degree, so that the intelligent electric meter and the control system thereof are provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an intelligent electric meter and control system thereof to solve the not high problem of the intelligent electric meter ubiquitous degree on the market that proposes in the above-mentioned background.
In order to achieve the above object, the utility model provides a following technical scheme: a smart meter comprising:
the central processing unit is a main control unit of the intelligent ammeter;
the power supply module is connected with the central processing unit and provides electric energy for the operation of the intelligent ammeter;
the metering chip is connected with the central processing unit and used for calculating the electric quantity;
and the display module is connected with the central processing unit and displays the electric quantity.
As an optimized technical scheme of the utility model, still be provided with photoelectric isolation and pulse output on the central processing unit respectively.
As an optimized technical solution of the present invention, the optoelectronic isolator with model PS2501 is selected for use in the optoelectronic isolation.
As an optimized technical proposal of the utility model, the electric energy measuring chip of ATT7026A model is selected for use as the measuring chip.
As an optimized technical solution of the present invention, the display module is an LCD display.
As an optimized technical scheme of the utility model, central processing unit adopts AD7755 chip.
The utility model also discloses a smart electric meter's control system, including concentrator, display module, uplink and downlink communication module and power module, wherein
The intelligent ammeter is connected with the concentrator through an RS485 interface and uploads meter reading data in real time;
the power supply module is connected with the concentrator and provides electric energy for the operation of the concentrator;
and the display module is connected with the concentrator and displays electric quantity.
As an optimized technical solution of the present invention, the concentrator uplink communication adopts GPRS and downlink communication adopts RS 485.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the full electronic design is adopted, a special metering chip is arranged in the full electronic design, and the full electronic type intelligent metering device has the characteristics of high precision, high sensitivity, logic submergence prevention, high reliability, wide load and the like;
(2) the displayed data is comprehensive and clear, the data recording is accurate and reliable, and the data is not lost;
(3) the optimized design is adopted, the power consumption is low, the line loss of the power grid can be reduced when the power grid is used in a large range, and the power supply efficiency is improved;
(4) by adopting the SMT technology, the components with international famous brands and long service life are selected, the precision is not influenced by frequency, temperature, voltage and higher harmonics, the mounting position is arbitrary, and the whole machine does not need to be adjusted after leaving a factory. The verification period can be prolonged, the workload of testing and verifying the electric energy meter by a power management department is greatly reduced, and the reliability is obviously improved compared with other similar products;
(5) the photoelectric isolation pulse output and RS485 communication interface are provided, so that the function expansion is facilitated, and the requirement of management automation of a power management department is met;
(6) small volume, light weight, convenient installation and various external dimensions.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a system diagram of the present invention;
fig. 3 is a schematic diagram of an uplink communication circuit of the concentrator of the present invention;
fig. 4 is a schematic structural diagram of a downlink communication circuit of the concentrator of the present invention;
Detailed Description
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.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a smart meter comprising:
the central processing unit is a main control unit of the intelligent ammeter;
the power supply module is connected with the central processing unit and provides electric energy for the operation of the intelligent ammeter;
the metering chip is connected with the central processing unit and used for calculating the electric quantity;
and the display module is connected with the central processing unit and displays the electric quantity.
In this embodiment, preferably, the central processing unit is further provided with a photoelectric isolation and a pulse output, respectively.
In this embodiment, the optoelectronic isolator with the model number PS2501 is preferably used for the optoelectronic isolation.
In this embodiment, the electric energy metering chip of the ATT7026A model is preferably used as the metering chip.
In this embodiment, preferably, the display module is an LCD display.
In this embodiment, preferably, the central processing unit employs an AD7755 chip.
A control system of an intelligent electric meter comprises a concentrator, a display module, an uplink and downlink communication module and a power module, wherein
The intelligent ammeter is connected with the concentrator through an RS485 interface and uploads meter reading data in real time;
the power supply module is connected with the concentrator and provides electric energy for the operation of the concentrator;
and the display module is connected with the concentrator and displays electric quantity.
In this embodiment, preferably, the concentrator (DCZL22-1296) is a device for collecting and controlling electric energy information in a power distribution area, and the device collects, processes and controls information of various electric energy meters administered by the concentrator by uplink communication using GPRS and downlink communication using RS485, exchanges data with a master station through a remote channel, has strong anti-interference capability, can adapt to a strong-noise power grid environment monitoring function, and collects data such as current, voltage, power consumption and the like of users in real time;
the concentrator is connected with the mobile terminal through the GPRS, the mobile terminal is accessed into the system to be controlled, and the mobile terminal displays data such as daily, monthly and annual electric quantity, residual electric quantity, unit price of electric charge, line loss and the like in real time; intelligently analyzing daily, monthly and annual consumption amount; the interface of the charging and opening and closing brake is configured, so that the management and use of a user are facilitated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A smart meter, comprising:
the central processing unit is a main control unit of the intelligent ammeter;
the power supply module is connected with the central processing unit and provides electric energy for the operation of the intelligent ammeter;
the metering chip is connected with the central processing unit and used for calculating the electric quantity;
and the display module is connected with the central processing unit and displays the electric quantity.
2. A smart meter as claimed in claim 1, wherein: the central processor is also respectively provided with photoelectric isolation and pulse output.
3. A smart meter as claimed in claim 2, wherein: the photoelectric isolator with the model number of PS2501 is selected.
4. A smart meter as claimed in claim 1, wherein: the metering chip is an ATT7026A type electric energy metering chip.
5. A smart meter as claimed in claim 1, wherein: the display module is an LCD display.
6. A smart meter as claimed in claim 1, wherein: the central processing unit adopts an AD7755 chip.
7. The control system of the smart meter according to any one of claims 1 to 6, wherein: comprises a concentrator, a display module, an uplink and downlink communication module and a power module
The intelligent ammeter is connected with the concentrator through an RS485 interface and uploads meter reading data in real time;
the power supply module is connected with the concentrator and provides electric energy for the operation of the concentrator;
and the display module is connected with the concentrator and displays electric quantity.
8. The control system of the smart meter according to claim 7, wherein: the concentrator adopts GPRS for uplink communication and RS485 for downlink communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921124736.4U CN210534232U (en) | 2019-07-18 | 2019-07-18 | Intelligent electric meter and control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921124736.4U CN210534232U (en) | 2019-07-18 | 2019-07-18 | Intelligent electric meter and control system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210534232U true CN210534232U (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201921124736.4U Active CN210534232U (en) | 2019-07-18 | 2019-07-18 | Intelligent electric meter and control system thereof |
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| Country | Link |
|---|---|
| CN (1) | CN210534232U (en) |
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2019
- 2019-07-18 CN CN201921124736.4U patent/CN210534232U/en active Active
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