CN110673080A - Visual intelligent controller - Google Patents
Visual intelligent controller Download PDFInfo
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- CN110673080A CN110673080A CN201910924944.0A CN201910924944A CN110673080A CN 110673080 A CN110673080 A CN 110673080A CN 201910924944 A CN201910924944 A CN 201910924944A CN 110673080 A CN110673080 A CN 110673080A
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- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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Abstract
The embodiment of the invention discloses a visual intelligent controller, which is connected with at least one electric meter and comprises a microcontroller; the current detection module is used for detecting the current value of the ammeter and is electrically connected with the microcontroller; the voltage detection module is used for detecting the voltage value of the electric meter and is electrically connected with the microcontroller; the display screen is used for displaying the current value and the voltage value of the electric meter and is electrically connected with the microcontroller; and the calibration module is used for calibrating the current detection module and the voltage detection module, one end of the calibration module is electrically connected with the microcontroller, and the other end of the calibration module is electrically connected with the current detection module and the voltage detection module. The problem of current and voltage detection inaccurate that leads to because current detection module and voltage detection module appear the deviation among the prior art is solved. Design benefit, calibration module is accurate to current detection module and voltage detection module check-up, and visual intelligent control ware operation is stable, plays stable guard action to smart electric meter.
Description
Technical Field
The embodiment of the invention relates to the technical field of power equipment, in particular to a visual intelligent controller.
Background
Along with the intelligent development of science and technology, unify more gradually in the electric power system and change for smart electric meter, and intelligent control ware is connected with smart electric meter for current value, voltage value isoparametric on the real time monitoring smart electric meter ensure overvoltage again and cut off the power supply when overflowing, protect smart electric meter and with electrical apparatus.
In the prior art, the intelligent controller connected with the intelligent electric meter is internally provided with the current detection module and the voltage detection module, but the current value and the voltage value detected by the current detection module and the voltage detection module are deviated along with long-time use, or the current detection module and the voltage detection module are damaged. If the intelligent controller cannot be overhauled in time, the intelligent controller cannot fully play a protection role, but easily causes damage to the electric meters and the electric appliances, and can cause fire disasters seriously.
Therefore, how to provide a visual intelligent controller, which can perform self-calibration and ensure the accuracy of the detected current value and voltage value is a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
Therefore, the embodiment of the invention provides a visual intelligent controller to solve the problem of inaccurate current and voltage detection caused by deviation of a current detection module and a voltage detection module in the prior art.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
a visual smart controller, coupled to at least one electric meter, comprising:
a microcontroller;
the current detection module is used for detecting the current value of the electric meter and is electrically connected with the microcontroller;
the voltage detection module is used for detecting the voltage value of the electric meter and is electrically connected with the microcontroller;
the display screen is used for displaying the current value and the voltage value of the electric meter and is electrically connected with the microcontroller;
the calibration module is used for calibrating the current detection module and the voltage detection module, one end of the calibration module is electrically connected with the microcontroller, and the other end of the calibration module is electrically connected with the current detection module and the voltage detection module.
Further, the system also comprises a relay which is electrically connected with the microcontroller;
when the relay is closed, the current detection module and the voltage detection module detect the current and the voltage of the electric meter;
when the relay is disconnected, the current detection module and the voltage detection module do not detect the current and the voltage of the ammeter, and the calibration module calibrates the current detection module and the voltage detection module.
Further, still include electric quantity collection module and first storage module, electric quantity collection module and first storage module electricity are connected microcontroller, electric quantity collection module is used for gathering the real-time electric quantity value of ammeter, first storage module is used for saving the last time the ammeter electric quantity value that electric quantity collection module gathered.
The electric meter real-time electricity quantity value acquired by the electricity quantity acquisition module is compared with the electricity quantity value acquired by the electricity quantity acquisition module at the last time and stored by the first storage module;
when the real-time electric quantity value of the electric meter acquired by the electric quantity acquisition module minus the electric quantity value of the electric meter acquired by the electric quantity acquisition module at the last time stored by the first storage module is less than 100, closing the relay;
when the real-time electric quantity value of the electric meter acquired by the electric quantity acquisition module minus the last time stored by the first storage module is larger than 100, the relay is disconnected.
The electric meter real-time electricity quantity value recorded in the first storage module at the last time is covered by the electricity quantity value collected by the electricity quantity collection module.
Further, the calibration device further comprises a second storage module, wherein the second storage module is electrically connected with the microcontroller and is used for storing calibration information.
Further, the intelligent alarm device also comprises an alarm module which is electrically connected with the microcontroller.
The embodiment of the invention has the following advantages:
by arranging the calibration module, the current detection module and the voltage detection module in the visual intelligent controller can be calibrated, so that the accuracy of the current value and the voltage value detected by the current detection module and the voltage detection module can be ensured, the use accuracy of the visual intelligent controller is improved, the overcurrent and overvoltage protection can be conveniently exerted, and the protection effect on the intelligent ammeter and the electrical appliance is realized; and through setting up relay, electric quantity collection module, first storage module and comparison module, can be when every 100 degrees electricity for the relay disconnection, current detection module and voltage detection module all no longer detect smart electric meter, and the calibration module calibrates current detection module and voltage detection module, thereby has guaranteed that visual intelligent control ware calibrates in good time, ensures the stability of visual intelligent control ware operation. The intelligent electric meter calibration device is ingenious in design, the calibration module can accurately calibrate the current detection module and the voltage detection module, the operation of the visual intelligent controller is stable, and the intelligent electric meter can be stably protected.
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 description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
Fig. 1 is a schematic diagram of a connection between a visual intelligent controller and an intelligent electric meter according to an embodiment of the present invention;
FIG. 2 is a block diagram of a visual intelligent controller according to an embodiment of the present invention;
in the figure:
1, a microcontroller; 2, a current detection module; 3, a voltage detection module; 4, displaying a screen; 5, calibrating the module; 6, a relay; 7, an electric quantity acquisition module; 8 a first storage module; 9 a comparison module; 10 a copying module; 11 a second storage module; 12 an alarm module.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Based on the related technical problems in the prior art, the invention provides a visual intelligent controller for real-time and visual protection and monitoring of an intelligent electric meter. In this embodiment, the visual intelligent controller is connected with at least one electric meter and is used for detecting the current and voltage values on the electric meter in real time. This visual smart controller comprises a microcontroller 1, as shown in fig. 1-2, and also the following main components for current and voltage detection of the smart meter:
the current detection module 2 is used for detecting the current value of the electric meter, and the current detection module 2 is electrically connected with the microcontroller 1; when the current detection module 2 detects that the current value on the intelligent ammeter is greater than the maximum threshold value, the overcurrent phenomenon occurs, and the intelligent ammeter is controlled to be powered off, so that the intelligent ammeter and an electric appliance are protected; when the current detection module 2 detects that the current value on the intelligent electric meter is smaller than the minimum threshold value, the undercurrent phenomenon occurs, and the intelligent electric meter is controlled to be powered off or an alarm is given out, so that the intelligent electric meter and the electric appliance are protected.
The voltage detection module 3 is used for detecting the voltage value of the electric meter, and the voltage detection module 3 is electrically connected with the microcontroller 1; when the voltage detection module 3 detects that the voltage value on the intelligent ammeter is greater than the maximum threshold value, an overvoltage phenomenon occurs, and the intelligent ammeter is controlled to be powered off, so that the intelligent ammeter and an electric appliance are protected; when the voltage detection module 3 detects that the voltage value on the intelligent electric meter is smaller than the minimum threshold value, the under-voltage phenomenon occurs, and the intelligent electric meter is controlled to be powered off or give an alarm, so that the intelligent electric meter and the electric appliance are protected.
And the display screen 4 is used for displaying the current value and the voltage value of the electric meter, and the display screen 4 is electrically connected with the microcontroller 1.
After the current detection module 2 and the voltage detection module 3 are used for a long time, the current value and the voltage value detected by the current detection module 2 and the voltage detection module 3 tend to deviate, and then the visual intelligent controller reduces the protection effect on the intelligent electric meter. The calibration module 5 is creatively arranged in the visual intelligent controller and used for calibrating the current detection module 2 and the voltage detection module 3, one end of the calibration module 5 is electrically connected with the microcontroller 1, and the other end of the calibration module 5 is electrically connected with the current detection module 2 and the voltage detection module 3. Through setting up calibration module 5, can calibrate current detection module 2 and voltage detection module 3 in the visual intelligent control ware to can guarantee the accuracy that current detection module 2 and voltage detection module 3 detected current value and voltage value, improve the accuracy of visual intelligent control ware's use, conveniently exert overcurrent and overvoltage protection, realize the guard action to smart electric meter and with electrical apparatus.
In order to prevent errors in the calibration process of the current detection module 2 and the voltage detection module 3, the calibration device further comprises a relay 6, wherein the relay 6 is electrically connected with the microcontroller 1, so that the calibration accuracy of the current detection module 2 and the voltage detection module 3 is ensured.
When the relay 6 is closed, the current detection module 2 and the voltage detection module 3 detect the current and the voltage of the electric meter; when the relay 6 is switched off, the current detection module 2 and the voltage detection module 3 do not detect the current and the voltage of the electric meter, and the calibration module 5 calibrates the current detection module 2 and the voltage detection module 3.
Further, the electric energy meter further comprises an electric quantity acquisition module 7 and a first storage module 8, wherein the electric quantity acquisition module 7 and the first storage module 8 are electrically connected with the microcontroller 1, the electric quantity acquisition module 7 is used for acquiring the real-time electric quantity value of the electric meter, and the real-time electric quantity value of the electric meter can be displayed through the display screen 4; the first storage module 8 is used for storing the electric quantity value of the electric meter collected by the electric quantity collection module 7 at the last time.
Further, the electric energy meter monitoring system further comprises a comparison module 9, wherein the comparison module 9 is used for comparing the electric energy meter real-time electric quantity value acquired by the electric energy acquisition module 7 with the electric energy meter electric quantity value acquired by the electric energy acquisition module 7 at the last time stored by the first storage module 8;
when the real-time electric quantity value of the electric meter acquired by the electric quantity acquisition module 7 minus the electric quantity value of the electric meter acquired by the electric quantity acquisition module 7 at the last time stored by the first storage module 8 is less than 100, the relay 6 is closed, and at the moment, the current detection module 2 and the voltage detection module 3 continue to detect the current value and the voltage value of the intelligent electric meter;
when the real-time electric quantity value of the electric meter collected by the electric quantity collection module 7 subtracts the last time stored by the first storage module 8, the electric meter electric quantity value collected by the electric quantity collection module 7 is greater than 100, the relay 6 is disconnected, at the moment, the current detection module 2 and the voltage detection module 3 do not detect the current and the voltage of the electric meter, and the calibration module 5 calibrates the current detection module 2 and the voltage detection module 3.
Further, the electric meter reading device further comprises a reading module 10, the reading module 10 is electrically connected with the microcontroller 1, when the relay 6 is switched off, the reading module 10 is used for reading the electric meter real-time electric quantity value acquired by the electric quantity acquisition module 7 into the first storage module 8, and the electric meter electric quantity value acquired by the electric quantity acquisition module 7 at the last time recorded in the first storage module 8 is covered. Therefore, the covered electric quantity value of the electric meter is used as a comparison basis of the electric quantity value of the electric meter collected by the electric quantity collecting module 7 next time.
Further, the calibration device further comprises a second storage module 11, wherein the second storage module 11 is electrically connected to the microcontroller 1, and the second storage module 11 is used for storing calibration information. The calibration information includes, but is not limited to, calibration time, calibration curve, voltage value during calibration, current value during calibration, etc.
Further, an alarm module 12 is also included, and the alarm module 12 is electrically connected to the microcontroller 1. The embodiment can be an audible and visual alarm device, and when the current value or the voltage value is out of the threshold range, audible and visual alarm is given out to remind a user of line maintenance and other work.
The application process of the embodiment of the invention is as follows:
1) the electric quantity acquisition module 7 is used for acquiring the real-time electric quantity value of the electric meter, and the real-time electric quantity value of the electric meter is displayed through the display screen 4; the first storage module 8 is used for storing the electric quantity value of the electric meter collected by the electric quantity collection module 7 at the last time.
2) The comparison module 9 is configured to compare the real-time electric quantity value of the electric meter acquired by the electric quantity acquisition module 7 with the electric quantity value of the electric meter acquired by the electric quantity acquisition module 7 at the last time stored in the first storage module 8;
when the real-time electric quantity value of the electric meter acquired by the electric quantity acquisition module 7 minus the electric quantity value of the electric meter acquired by the electric quantity acquisition module 7 at the last time stored by the first storage module 8 is less than 100, the relay 6 is closed, and at the moment, the current detection module 2 and the voltage detection module 3 continue to detect the current value and the voltage value of the intelligent electric meter;
when the real-time electric quantity value of the electric meter collected by the electric quantity collection module 7 subtracts the last time stored by the first storage module 8, the electric meter electric quantity value collected by the electric quantity collection module 7 is greater than 100, the relay 6 is disconnected, at the moment, the current detection module 2 and the voltage detection module 3 do not detect the current and the voltage of the electric meter, and the calibration module 5 calibrates the current detection module 2 and the voltage detection module 3.
3) After the relay 6 is turned off, the copying module 10 is configured to copy the real-time electric quantity value of the electric meter acquired by the electric quantity acquisition module 7 into the first storage module 8, and the electric quantity value of the electric meter acquired by the electric quantity acquisition module 7 at the last time recorded in the first storage module 8 is covered. Therefore, the covered electric quantity value of the electric meter is used as a comparison basis of the electric quantity value of the electric meter collected by the electric quantity collecting module 7 next time.
4) When the current value or the voltage value is out of the threshold range, the alarm module 12 gives out sound and light alarm to remind a user of line maintenance and other work.
Through setting up relay 6, electric quantity collection module 7, first storage module 8 and comparison module 9, can be when every 100 degrees electricity for 6 disconnection in the relay, current detection module 2 and voltage detection module 3 do not detect smart electric meter any more, and calibration module 5 calibrates current detection module 2 and voltage detection module 3, thereby has guaranteed that visual intelligent control ware calibrates in good time, ensures the stability of visual intelligent control ware operation. The intelligent ammeter calibration device is ingenious in design, the calibration module 5 can accurately calibrate the current detection module 2 and the voltage detection module 3, the operation of the visible intelligent controller is stable, and the intelligent ammeter is stably protected.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. A visual intelligent controller is connected with at least one ammeter, its characterized in that includes:
a microcontroller;
the current detection module is used for detecting the current value of the electric meter and is electrically connected with the microcontroller;
the voltage detection module is used for detecting the voltage value of the electric meter and is electrically connected with the microcontroller;
the display screen is used for displaying the current value and the voltage value of the electric meter and is electrically connected with the microcontroller;
the calibration module is used for calibrating the current detection module and the voltage detection module, one end of the calibration module is electrically connected with the microcontroller, and the other end of the calibration module is electrically connected with the current detection module and the voltage detection module.
2. The visual smart controller of claim 1 further comprising a relay electrically connected to the microcontroller;
when the relay is closed, the current detection module and the voltage detection module detect the current and the voltage of the electric meter;
when the relay is disconnected, the current detection module and the voltage detection module do not detect the current and the voltage of the ammeter, and the calibration module calibrates the current detection module and the voltage detection module.
3. The visual intelligent controller according to claim 2, further comprising a power collection module and a first storage module, wherein the power collection module and the first storage module are electrically connected to the microcontroller, the power collection module is used for collecting a real-time power value of an electric meter, and the first storage module is used for storing the power value of the electric meter collected by the power collection module at the last time.
4. The visual intelligent controller according to claim 3, further comprising a comparison module for comparing the real-time electric quantity value of the electric meter collected by the electric quantity collection module with the electric meter electric quantity value collected by the electric quantity collection module at the last time stored in the first storage module;
when the real-time electric quantity value of the electric meter acquired by the electric quantity acquisition module minus the electric quantity value of the electric meter acquired by the electric quantity acquisition module at the last time stored by the first storage module is less than 100, closing the relay;
when the real-time electric quantity value of the electric meter acquired by the electric quantity acquisition module minus the last time stored by the first storage module is larger than 100, the relay is disconnected.
5. The visual intelligent controller according to claim 4, further comprising a transcription module, wherein the transcription module is electrically connected to the microcontroller, and when the relay is turned off, the transcription module is configured to transcribe the real-time electric quantity value of the electric meter collected by the electric quantity collection module into the first storage module, and the electric quantity value of the electric meter collected by the electric quantity collection module at the last time recorded in the first storage module is overwritten.
6. The visual smart controller of claim 5, further comprising a second memory module, said second memory module electrically connected to said microcontroller, said second memory module for storing calibration information.
7. The visual smart controller of claim 6 further comprising an alarm module, said alarm module electrically connected to said microcontroller.
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Cited By (1)
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CN113884726A (en) * | 2021-10-19 | 2022-01-04 | 飞思仪表(深圳)有限公司 | Three-phase smart electric meter with quick calibration structure |
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Application publication date: 20200110 |