CN113219227A - Intelligent ammeter system sharing display device and ammeter data display method - Google Patents
Intelligent ammeter system sharing display device and ammeter data display method Download PDFInfo
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- CN113219227A CN113219227A CN202110649321.4A CN202110649321A CN113219227A CN 113219227 A CN113219227 A CN 113219227A CN 202110649321 A CN202110649321 A CN 202110649321A CN 113219227 A CN113219227 A CN 113219227A
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- display device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/34—User authentication involving the use of external additional devices, e.g. dongles or smart cards
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/36—User authentication by graphic or iconic representation
Abstract
The invention relates to an intelligent ammeter system sharing a display device and an ammeter data display method. In the intelligent ammeter system, the display part in the existing ammeter is directly removed, and all ammeter bodies share one display device, so that the cost of the display device can be reduced, the leakage of privacy data of a user can be avoided, the living safety and property safety of the user can be further guaranteed, and the electricity stealing behavior of the user through a private power line can be prevented.
Description
Technical Field
The invention relates to the technical field of meters, in particular to an intelligent ammeter system sharing a display device and an ammeter data display method.
Background
The intelligent electric meter is a metering instrument used for metering the electricity consumption of a user and carrying out remote data transmission, such as remote meter reading. The intelligent electric meter comprises a general circuit part and a display part, wherein the display part is mainly used for displaying the electricity consumption data of a user. In order to guarantee the privacy and property safety of users, the applicant proposes an intelligent electric meter with a privacy protection function in 31.8.2020, with the publication number of CN 112034249A. In the scheme, the electric meter body and the display part of each electric meter are separated and independent from each other, and the display part is installed in a user home, so that electricity data is prevented from being peeped by people, and the safety of the user is further guaranteed. However, this solution also has certain drawbacks, such as that each electricity meter is actually still provided with a display device, the utilization rate of each display device is low, and the cost of the electricity meter cannot be reduced.
Disclosure of Invention
The invention aims to provide an intelligent ammeter system sharing a display device and an ammeter data display method, so as to improve the utilization rate of the display device and reduce the cost of the ammeter.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
the invention provides an intelligent ammeter system sharing a display device, which comprises at least two ammeter bodies and a display device, wherein each ammeter body comprises a measuring unit, a first communication unit and a control unit, each display device comprises a second communication unit, and the at least two ammeter bodies are in wireless communication with the display device.
The display part is an essential component of the smart meter, but the display part is applied in a short time and is only used when a user wants to view electricity consumption data or recharge after purchasing electricity. In the above scheme, a plurality of ammeter bodies share one display device, so that the display device does not display the ammeter data of one user any more, but displays the ammeter data of a plurality of users, the utilization rate of the display device is improved, the number of the display devices is reduced, and the cost is reduced.
Further optimally, the display device further comprises a display unit and an identification unit, the identification unit is used for identifying the user identity information matched with each electric meter body and transmitting the user identity information to the corresponding electric meter body, and the display unit is used for displaying the information transmitted by the electric meter body.
In the scheme, the identification unit can accurately distinguish which user's electric meter data is required to be displayed currently, so that data errors are avoided.
In a further preferred embodiment, the display device further comprises a start button, and when the start button is triggered, the display device enters the working mode.
In the above scheme, by setting the start button, the display device enters the working mode only when the start button is triggered, so that the display device can be prevented from being in a standby state or a working state all the time, and the energy consumption is further reduced.
On the other hand, the invention also provides an electric meter data display method realized by the intelligent electric meter system based on the common display device, which comprises the following steps:
the display device sends a wireless communication connection request to the ammeter body;
the method comprises the following steps that an ammeter body receives a connection request of a display device and sends ammeter data to the display device after connection is established;
and the display device displays the electric meter data.
In a further optimized scheme, the step of sending a communication connection request to the electricity meter body by the display device includes: after the display device identifies the user identity information, a communication connection request is sent to the ammeter body;
the ammeter body receives display device's connection request to establish the step of connecting the back and sending ammeter data to display device, include: the ammeter body judges whether the user identity information is matched with the ammeter body according to the received user identity information, if the user identity information is matched with the ammeter body, connection is established, ammeter data are called out and sent to the display device, and if the user identity information is not matched with the ammeter body, connection is refused to be established.
Compared with the prior art, the intelligent electric meter system provided by the invention has the following technical advantages:
1) the display device is shared by all the ammeter bodies, so that the display device does not only display the ammeter data of one user, but also displays the ammeter data of a plurality of users, the utilization rate of the display device is improved, and meanwhile, the cost of a large number of display devices is saved.
2) Through separately independent separately with display device and ammeter body for the user need not to look over ammeter data again through opening ammeter case, consequently can be with ammeter case closed management, can avoid then that illegal user steals electricity through modes such as the private cable that connects in ammeter body department.
3) The display device and the ammeter body are separated and independent, and the ammeter data can be checked only under the condition that the user identity information is correctly given, so that the ammeter data can be checked only by the user, the user can only check the ammeter data of the user, and illegal behaviors such as theft and the like are avoided.
4) The display device displays the ammeter data of a plurality of users, so that the energy consumption of all display devices during working can be reduced, and energy conservation and environmental protection are realized.
Other technical advantages of the present invention will be set forth in the following examples.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an intelligent electric meter system sharing a display device in an embodiment.
Fig. 2 is a schematic structural diagram of a display device in one mode of an embodiment.
Fig. 3 is a schematic structural diagram of a display device in another mode in the embodiment.
Fig. 4 is a schematic structural diagram of a display device according to still another embodiment.
Fig. 5 is a flowchart of a meter data display method in the embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The devices of the embodiments of the invention 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 figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present embodiment provides a smart meter system sharing a display device, including n meter bodies 200 and a display device 300, where n is an integer greater than 2, and the n meter bodies 200 are all wirelessly connected to the display device 300, so as to facilitate data transmission. The n electric meter bodies 200 are installed in the electric meter box 100, and the display device 300 is independently installed in other places, for example, a public area convenient for all users to reach.
More specifically, the electricity meter body 200 includes a measurement unit, a first communication unit and a control unit, the measurement unit is used for measuring and collecting electricity consumption data, the first communication unit is a wireless communication unit and can be used for communicating with a remote server so as to realize remote meter reading, and the control unit is used for ensuring normal work of the electricity meter body, such as data collection, data receiving and sending and the like. Certainly, the ammeter body also has a power supply unit, and the normal work of whole ammeter is provided the electric energy through external commercial power or built-in battery's mode.
More specifically, the display device 300 includes a second communication unit, which is also a wireless communication unit to enable wireless communication with the electricity meter body, a display unit, and an identification unit. The identification unit is mainly used for identifying the user identity information matched with each electric meter body and transmitting the user identity information to the corresponding electric meter body, and the transmission mode can be broadcasting or directional transmission. After the ammeter body receives the user identity information, ammeter data are called out according to the user identity information and transmitted to the display device, and the display unit can display the ammeter data transmitted by the ammeter body. Naturally, the display device also comprises a power supply unit, and the power supply unit supplies power for the normal operation of the whole device in a mode of externally connecting commercial power or internally arranging a battery.
There are many ways for the identification unit to identify the user identity information, and 3 simple possible embodiments are listed below.
As shown in fig. 2, in one structure, the identification unit includes an electric card socket and a card reading module, and the card reading module is configured to read information in an electric card inserted into the electric card socket and transmit the read information of the user to the electric meter body. The structure is actually the structure of a display part in the existing electric meter, and a user can read the number of the electric card by inserting the electric card.
As shown in fig. 3, in another structure, the identification unit includes a scanning head and an identification module, the scanning head is used for scanning a code provided by a user, and the identification module is used for identifying user identity information from the code and transmitting the user identity information to the electricity meter body. The code can be a bar code, a two-dimensional code or other code patterns. In particular, the code may be an electronic code or may be printed on paper. In a new generation of smart electric meter, in order to further facilitate users, the electronic code is preferably adopted to replace the current electric card, and the users only need to display the electronic code through a mobile phone without carrying the electric card, so that the cost of the electric card can be reduced.
As shown in fig. 4, in another structure, the identification unit includes an input module for inputting user identification information and transmitting the user identification information to the electricity meter body. The input module can be a hardware keyboard or a touch keyboard, and keys contained in the keyboard are different based on different expression modes of the user identity information, such as only numeric keys, combination of the numeric keys and English character keys, or combination of the numeric keys, the symbol keys and the English character keys. In this configuration, the input module preferably further includes a confirm key and a delete key for facilitating modification by the user in case of an input error and confirmation after the input is completed. This approach is not user friendly, but is relatively less costly.
The identification unit can send the user identity information to all the ammeter bodies connected with the identification unit in a broadcasting mode after identifying the user identity information, the ammeter bodies judge whether the user identity information is matched with the ammeter bodies or not after receiving the user identity information, ammeter data are called out if the user identity information is matched with the ammeter bodies, the ammeter data are transmitted to the display device, and the user identity information is ignored if the user identity information is not matched with the ammeter bodies, and no processing is performed.
Because the demand of the user for displaying the electric meter data is random, the display device needs to be in a working or standby state all the time to be capable of starting the identification unit to identify the user identity information, but in practice, the demand of the user is relatively less, and some users even have no such demand, so that even if one display device is connected with a plurality of electric meter bodies, the display task of the display device is relatively less, and most of the time is in the standby state. Therefore, in order to save power consumption of the display device, the display device may further comprise an activation button, as shown in fig. 4, which when activated (e.g. pressed) enters an operational mode.
The electricity meter body is preferably connected to the display device in a wireless manner, but embodiments in which the electricity meter body is connected to the display device in a wired manner are not excluded. For example, the electric meter body and the display device are respectively provided with a data interface, and the electric meter body is connected with the display device through a cable.
In order to reduce the power consumption of the electricity meter body, the first communication module of the electricity meter body can be provided with a standby mode and an operating mode, the standby mode is provided with an operating window T0, the first communication module operates for a T1 time period within a T0 time period, whether a communication request signal of the display device exists or not is periodically checked, and the operating mode is started after the communication request signal of the display device is received; in the T2 time period under the working mode, after the first communication module of the ammeter body does not receive any communication request signal, the communication module enters the standby mode.
As shown in fig. 5, based on the smart meter system, the present embodiment further provides a new meter data display method, including the following steps:
and S10, the display device sends a wireless communication connection request to the electric meter body.
In order to save electric energy, in this step, the display device sends a communication connection request to the electric meter body only after identifying the user identity information.
It should be noted here that any electric meter body in the system may be in communication connection with the display device so as to transmit data to each other, and the wireless communication connection request in this step refers to data transmission after connection with the corresponding electric meter body when electric meter data needs to be displayed.
And S20, the electric meter body receives the connection request of the display device and sends electric meter data to the display device after establishing the connection.
Specifically, in one embodiment, the electric meter body judges whether the user identity information is matched with the electric meter body according to the received user identity information, if so, connection is established, electric meter data is called out and sent to the display device, and if not, the request is ignored, namely, communication connection with the display device is refused. Here, the connection rejection may be understood as a rejection of providing the meter data to the display device, so as to ensure consistency between the user identification information and the meter data, and only the user can check the meter data by himself or herself.
And S30, after receiving the electric meter data, the display device displays the electric meter data. The electric meter data mainly comprises electricity consumption data and can also comprise residual electricity consumption data.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a sharing display device's smart electric meter system, its characterized in that includes two at least ammeter bodies and a display device, the ammeter body includes measuring unit, first communication unit and the control unit, the display device includes the second communication unit, two at least ammeter bodies all with display device wireless communication.
2. The smart meter system of claim 1, wherein the display device further comprises a display unit and an identification unit, the identification unit is configured to identify the user identification information matched with each meter body and transmit the user identification information to the corresponding meter body, and the display unit is configured to display the information transmitted by the meter body.
3. The smart meter system with the display device as claimed in claim 2, wherein the identification unit comprises an electric card socket and a card reading module, and the card reading module is used for reading information in an electric card inserted into the electric card socket and transmitting the read information of the user identity to the meter body.
4. The smart meter system with a common display device according to claim 2, wherein the identification unit comprises a scanning head and an identification module, the scanning head is used for scanning a code provided by a user, and the identification module is used for identifying user identity information from the code and transmitting the user identity information to the meter body.
5. The smart meter system with a common display device as claimed in claim 2, wherein the identification unit comprises an input module for inputting user identification information and transmitting the user identification information to the meter body.
6. The smart meter system with a common display device as claimed in any one of claims 1 to 5, wherein the wireless communication between the meter body and the display device is replaced by a wired communication.
7. The method for displaying the electric meter data in advance of the smart electric meter system based on the common display device of claim 1, comprising the steps of:
the display device sends a wireless communication connection request to the ammeter body;
the method comprises the following steps that an ammeter body receives a connection request of a display device and sends ammeter data to the display device after connection is established;
and the display device displays the electric meter data.
8. The method of claim 7, wherein the step of sending a communication connection request to the meter body by the display device comprises: after the display device identifies the user identity information, a communication connection request is sent to the ammeter body;
the ammeter body receives display device's connection request to establish the step of connecting the back and sending ammeter data to display device, include: the ammeter body judges whether the user identity information is matched with the ammeter body according to the received user identity information, if the user identity information is matched with the ammeter body, connection is established, ammeter data are called out and sent to the display device, and if the user identity information is not matched with the ammeter body, connection is refused to be established.
9. The method of claim 7, wherein the meter data comprises power usage data.
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| CN202110649321.4A CN113219227A (en) | 2021-06-08 | 2021-06-08 | Intelligent ammeter system sharing display device and ammeter data display method |
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