CN110873820A - Object-oriented intelligent electric energy meter display method - Google Patents
Object-oriented intelligent electric energy meter display method Download PDFInfo
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
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Abstract
The invention relates to an object-oriented intelligent electric energy meter display method, which comprises the steps of obtaining a display object instruction selected by an external operator through an intelligent electric energy meter, extracting a display object storage pointer in the display object instruction, taking the attribute as a target attribute if an attribute number aiming at an object to be displayed is stored in the display object storage pointer, searching the attribute to be displayed in a self attribute list according to the attribute number and searching an attribute display type corresponding to the display object in a display type list, obtaining the display type of a member corresponding to a target attribute index value when the intelligent electric energy meter judges that the target attribute index value corresponding to the target attribute is less than or equal to the number of the stored members corresponding to the target attribute, displaying the member on a display screen of the electric energy meter, adjusting the brightness of the display screen according to the illumination intensity of the environment where the current moment is located, not only is the maintenance of the follow-up ammeter convenient, but also the differentiated display requirement aiming at the object to be displayed can be realized.
Description
Technical Field
The invention relates to the field of intelligent electric energy meters, in particular to an object-oriented intelligent electric energy meter display method.
Background
The electric energy meter based on the object-oriented protocol generally has the characteristics of flexible configuration of display objects (such as background, values or units) and complex and variable display contents. However, when designing the existing electric energy meter, the existing display method cannot sufficiently describe the logical relationship between each attribute and member of the display object, cannot process the display object with a complex structure, and is not convenient for expansion and later maintenance.
The classification standards of the existing software design for the display objects are not uniform, and the display objects are divided according to the interface class and the data type, so that the non-display objects of the same interface class cannot be processed differently, and the requirement of a user on differential display of different display objects is difficult to meet.
Disclosure of Invention
The invention aims to provide an object-oriented intelligent electric energy meter display method aiming at the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: an object-oriented intelligent electric energy meter display method is characterized by comprising the following steps 1-9:
step 2, the intelligent electric energy meter extracts a display object storage pointer in the display object instruction, judges that the display object storage pointer is not empty, and then turns to step 3; otherwise, the intelligent electric energy meter does not display any object;
step 3, when the intelligent electric energy meter judges that the attribute number exists in the display object storage pointer, the intelligent electric energy meter marks the attribute corresponding to the attribute number as the target attribute, records the target attribute number corresponding to the target attribute and the target attribute display type index value, and then the step 4 is carried out; otherwise, the intelligent electric energy meter does not display any object;
step 4, when the intelligent electric energy meter finds the corresponding attribute number in the attribute list of the intelligent electric energy meter according to the target attribute number and the corresponding target attribute display type index value, the intelligent electric energy meter obtains the display type corresponding to the target attribute from the attribute display type index value of the display type list, and the step 5 is switched; otherwise, the intelligent electric energy meter does not display any object;
step 5, the intelligent electric energy meter judges the display type of the target attribute, and when the target attribute index value corresponding to the target attribute is less than or equal to the number of members corresponding to the target attribute stored in the intelligent electric energy meter, the intelligent electric energy meter acquires the display type of the member corresponding to the target attribute index value, and the step 6 is switched; otherwise, the intelligent electric energy meter judges that the obtained display object instruction is an illegal instruction, and the intelligent electric energy meter does not display any object;
step 6, when the intelligent electric energy meter judges that the display type of the member in the target attribute is the basic display type, the type of the split screen member is the type of the attribute member, and the step 7 is carried out;
step 7, the intelligent electric energy meter judges that the split screen member is in the basic display type, and the step 8 is carried out, otherwise, the intelligent electric energy meter does not display any object;
step 8, reading the background information, unit information and numerical value information of the current display object by the intelligent electric energy meter, and displaying the background, unit and numerical value of the current display object on the display screen of the intelligent electric energy meter;
and 9, adjusting the brightness of the display screen of the intelligent electric energy meter according to the illumination intensity of the environment where the intelligent electric energy meter is located at the current moment.
In an improvement, the object-oriented intelligent electric energy meter display method further comprises the following steps: and the intelligent electric energy meter dynamically adjusts the corresponding position of the display object on the display screen, and the display object displays on the display screen.
Further, in the object-oriented intelligent electric energy meter display method, the current display object background information is the current forward active peak electric quantity or the current forward active peak demand or the current date.
In a further improvement, in the object-oriented intelligent electric energy meter display method, the intelligent electric energy meter is adjusted according to the position of the user setting requirement on the display screen.
Optionally, in the object-oriented intelligent electric energy meter display method, the intelligent electric energy meter is a three-phase electric meter or a single-phase electric meter.
Further, in the object-oriented intelligent electric energy meter display method, in step 1, the intelligent electric energy meter obtains a display object instruction selected by an external operator by detecting an external touch operation on a display screen of the intelligent electric energy meter.
Still further, the display screen of the intelligent electric energy meter is a touch display screen.
In an improved way, in the object-oriented intelligent electric energy meter display method, the display type list comprises an array display type, a structure display type, an extended display type and a basic display type.
Compared with the prior art, the invention has the advantages that:
the display method of the intelligent electric energy meter can randomly combine the objects to be displayed according to the needs, and the displayed objects can be mutually independent; even if new display objects are selected subsequently according to needs, the newly added display objects cannot influence the existing display objects, and the subsequent maintenance is facilitated;
the display method provided by the invention has different attribute lists and display type lists corresponding to the attributes aiming at different display objects, so that the intelligent electric energy meter can automatically display according to the attributes of the objects to be displayed and the corresponding attribute types, and the requirement of differential display aiming at the objects to be displayed is met.
Drawings
FIG. 1 is a schematic flow chart of a display method of an intelligent electric energy meter based on an object-oriented method according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an attribute list about forward active electric quantity stored in the intelligent electric energy meter;
fig. 3 is a schematic display diagram of the intelligent electric energy meter after executing the display object instruction.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
In this embodiment, the positive active peak electric quantity in the intelligent electric energy meter is used as a display object selected by an external operator, and a detailed description is made on the object-oriented intelligent electric energy meter display method in the invention. The intelligent electric energy meter can adopt a three-phase electric meter or a single-phase electric meter. The stored attribute list about the forward active electric quantity in the intelligent electric energy meter is shown in fig. 2.
The attribute list of the positive active electric quantity comprises attributes and numbers of corresponding attributes; for example, the attribute list of the forward active power includes logical name information (attribute number 01), total rate power array information (attribute number 02), and conversion and unit information (attribute number 03); wherein, the logic name information can be called as attribute 1; the total rate electric quantity array information can be called as attribute 2, and the conversion and unit information can be called as attribute 3;
each attribute in the attribute list can correspond to different attribute members; for example, attribute 2 corresponds to five attribute members and corresponding index values of the members in the attribute, which are total electric quantity (attribute member index value 01), rate 1 electric quantity (attribute member index value 02), rate 2 electric quantity (attribute member index value 03), rate 3 electric quantity (attribute member index value 04), rate 4 electric quantity (attribute member index value 05), and … rate n electric quantity (attribute member index value n +1), where n is less than or equal to 32.
The intelligent electric energy meter is also provided with a display type list, namely, aiming at each attribute number, an attribute display type index value of the attribute number and a display type corresponding to the attribute display type index value are corresponded; of course, the display type list includes an array display type, a structure display type, an extended display type, and a basic display type. For example:
in the attribute 03, the corresponding attribute display type index value is 003, and the display type corresponding to the attribute display type index value 003 is the basic display type.
As shown in fig. 1, the method for displaying an intelligent electric energy meter based on an object-oriented method in this embodiment includes the following steps 1 to 8:
the display object is background information or numerical information or unit information or state information; the display object instruction comprises a display object storage pointer;
the display object storage pointer stores an attribute list and a display type list of a displayed object; the attribute list comprises the attribute numbers of all display objects, the index numbers of members in the attributes in the corresponding attribute numbers and the split screen serial numbers of the corresponding attribute numbers;
for example, referring to fig. 2, the following format can be referred to for the forward active power amount:
attribute number: 02
Member index value within attribute: 03
Screen splitting sequence number: 00;
specifically, attribute number 02 represents total rate electric quantity array information, and attribute inner member index number 03 represents a third attribute inner member of the total rate electric quantity array information, namely, rate 2 electric quantity; the split screen serial number 00 indicates that the member rate 2 electricity in the attribute can be completely displayed on the display screen of the electric energy meter only by one screen without multi-screen display;
in the embodiment, the intelligent electric energy meter obtains a display object instruction selected by an external operator by detecting external touch operation on a display screen of the intelligent electric energy meter; specifically, the display screen of the intelligent electric energy meter is a touch display screen;
step 2, the intelligent electric energy meter extracts a display object storage pointer in the display object instruction, judges that the display object storage pointer is not empty, shows that the extracted display object instruction has actual operation significance, and then goes to step 3; otherwise, the extracted display object instruction has no practical operation significance, and the intelligent electric energy meter does not display any object;
step 3, when the intelligent electric energy meter judges that the attribute number exists in the display object storage pointer, the intelligent electric energy meter marks the attribute corresponding to the attribute number as the target attribute, records the target attribute number corresponding to the target attribute and the target attribute display type index value, and then the step 4 is carried out; otherwise, the intelligent electric energy meter does not display any object;
specifically, once the intelligent electric energy meter judges that the attribute number 02 exists in the display object storage pointer in the display object instruction in step 1, the intelligent electric energy meter takes the attribute corresponding to the attribute number 02, namely the total rate electric quantity array information, as a target attribute, and then records a target attribute display type index value 002 corresponding to the target attribute number 02;
in the intelligent electric energy meter, an attribute list of the intelligent electric energy meter has attribute display type index values aiming at each attribute number and corresponding to each attribute number, and the intelligent electric energy meter can search the corresponding attribute number in the list of the intelligent electric energy meter according to the attribute number of an object to be displayed and search the display type corresponding to the attribute display type index value in the display type list of the intelligent electric energy meter according to the attribute display type index value as long as the intelligent electric energy meter obtains the attribute number of the object to be displayed instructed by an external display object;
step 4, when the intelligent electric energy meter finds the corresponding attribute number in the attribute list of the intelligent electric energy meter according to the target attribute number and the corresponding target attribute display type index value, the intelligent electric energy meter obtains the display type corresponding to the target attribute from the attribute display type index value of the display type list, and the step 5 is switched; otherwise, the intelligent electric energy meter does not display any object;
step 5, when the intelligent electric energy meter judges that the target attribute is an array display type and the index value of the members in the attribute corresponding to the target attribute is less than or equal to the number of the members corresponding to the target attribute stored in the intelligent electric energy meter, the intelligent electric energy meter acquires the display type of the members in the target attribute, and the step 6 is carried out; otherwise, the intelligent electric energy meter judges that the obtained display object instruction is an illegal instruction, and the intelligent electric energy meter does not display any object;
for example, when the intelligent electric energy meter judges that the target attribute, total rate electric quantity array information is an array display type, and the member index value 03 in the attribute corresponding to the target attribute is smaller than the number of members corresponding to the target attribute stored in the intelligent electric energy meter, the intelligent electric energy meter obtains the display type of the member rate 2 electric quantity in the target attribute,
step 6, when the intelligent electric energy meter judges that the display type of the member in the target attribute is the basic display type, the type of the split screen member is the type of the attribute member, and the step 7 is carried out;
that is, once the intelligent electric energy meter judges that the display type of the rate 2 electric quantity is the basic display type, the split screen member type is the attribute member type;
step 7, the intelligent electric energy meter judges that the split screen member is in the basic display type, and the step 8 is carried out, otherwise, the intelligent electric energy meter does not display any object;
step 8, reading current display object background information, current display object unit information and current display object numerical value information of the intelligent electric energy meter, and displaying the current display object background, the current display object unit and the current display object numerical value on a display screen of the intelligent electric energy meter;
and 9, adjusting the brightness of the display screen of the intelligent electric energy meter according to the illumination intensity of the environment where the intelligent electric energy meter is located at the current moment, so that the display screen of the intelligent electric energy meter can always clearly display the display object selected by an external operator.
The display result of the intelligent electric energy meter after being executed according to the obtained display object instruction selected by the external operator is shown in fig. 3.
Of course, in this embodiment, the intelligent electric energy meter may also dynamically adjust the corresponding position of the display object on the display screen, and the display object is displayed on the display screen.
Of course, the current display object background information in this embodiment may be set as the current forward active peak power amount or the current forward active peak demand amount or the current date as needed. In addition, the intelligent electric energy meter can also adjust the position of the display object on the display screen according to the setting requirement of the user.
Although preferred embodiments of the present invention have been described in detail hereinabove, it should be clearly understood that modifications and variations of the present invention are possible to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An object-oriented intelligent electric energy meter display method is characterized by comprising the following steps 1-9:
step 1, the intelligent electric energy meter obtains a display object instruction selected by an external operator; the display object is background information or numerical information or unit information or state information; the display object instruction comprises a display object storage pointer; the display object storage pointer stores an attribute list and a display type list of a displayed object; the attribute list comprises the attribute numbers of all display objects, the index numbers of members in the attributes in the corresponding attribute numbers and the split screen serial numbers of the corresponding attribute numbers;
step 2, the intelligent electric energy meter extracts a display object storage pointer in the display object instruction, judges that the display object storage pointer is not empty, and then turns to step 3; otherwise, the intelligent electric energy meter does not display any object;
step 3, when the intelligent electric energy meter judges that the attribute number exists in the display object storage pointer, the intelligent electric energy meter marks the attribute corresponding to the attribute number as the target attribute, records the target attribute number corresponding to the target attribute and the target attribute display type index value, and then the step 4 is carried out; otherwise, the intelligent electric energy meter does not display any object;
step 4, when the intelligent electric energy meter finds the corresponding attribute number in the attribute list of the intelligent electric energy meter according to the target attribute number and the corresponding target attribute display type index value, the intelligent electric energy meter obtains the display type corresponding to the target attribute from the attribute display type index value of the display type list, and the step 5 is switched; otherwise, the intelligent electric energy meter does not display any object;
step 5, the intelligent electric energy meter judges the display type of the target attribute, and when the target attribute index value corresponding to the target attribute is less than or equal to the number of members corresponding to the target attribute stored in the intelligent electric energy meter, the intelligent electric energy meter acquires the display type of the member corresponding to the target attribute index value, and the step 6 is switched; otherwise, the intelligent electric energy meter judges that the obtained display object instruction is an illegal instruction, and the intelligent electric energy meter does not display any object;
step 6, when the intelligent electric energy meter judges that the display type of the member in the target attribute is the basic display type, the type of the split screen member is the type of the attribute member, and the step 7 is carried out;
step 7, the intelligent electric energy meter judges that the split screen member is in the basic display type, and the step 8 is carried out, otherwise, the intelligent electric energy meter does not display any object;
step 8, reading current display object background information, current display object unit information and current display object numerical value information of the intelligent electric energy meter, and displaying the current display object background, the current display object unit and the current display object numerical value on a display screen of the intelligent electric energy meter;
and 9, adjusting the brightness of the display screen of the intelligent electric energy meter according to the illumination intensity of the environment where the intelligent electric energy meter is located at the current moment.
2. The object-oriented intelligent electric energy meter display method according to claim 1, further comprising: and the intelligent electric energy meter dynamically adjusts the corresponding position of the display object on the display screen, and the display object displays on the display screen.
3. The object-oriented intelligent electric energy meter display method according to claim 2, wherein the current display object background information is current forward active peak electric quantity or current forward active peak demand or current date.
4. The object-oriented intelligent electric energy meter display method according to claim 3, wherein the intelligent electric energy meter adjusts the position of the display object on the display screen according to user setting requirements.
5. The object-oriented intelligent electric energy meter display method according to any one of claims 1 to 4, wherein the intelligent electric energy meter is a three-phase electric meter or a single-phase electric meter.
6. The object-oriented intelligent electric energy meter display method according to claim 1, wherein in step 1, the intelligent electric energy meter obtains the display object command selected by the external operator by detecting the external touch action received by the display screen.
7. The object-oriented intelligent electric energy meter display method according to claim 6, wherein the display screen of the intelligent electric energy meter is a touch display screen.
8. The object-oriented intelligent electric energy meter display method according to claim 1, wherein the display type list comprises an array display type, a structure display type, an extended display type and a basic display type.
9. The object-oriented intelligent electric energy meter display method according to claim 1, wherein the display object is forward active electric energy quantity, the attribute list of the forward active electric energy quantity has n members in the attribute, and n is less than or equal to 32.
10. The object-oriented intelligent electric energy meter display method according to claim 9, wherein the member in the attribute is rate electric quantity.
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