CN110988457A - Power consumption metering system - Google Patents
Power consumption metering system Download PDFInfo
- Publication number
- CN110988457A CN110988457A CN201911133842.3A CN201911133842A CN110988457A CN 110988457 A CN110988457 A CN 110988457A CN 201911133842 A CN201911133842 A CN 201911133842A CN 110988457 A CN110988457 A CN 110988457A
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- voltage
- current
- input interface
- electrically connected
- power
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/10—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques
-
- 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
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
Abstract
The invention discloses an electricity consumption metering system, which comprises: the diagnosis terminal comprises a shell, wherein a voltage input interface, a current input interface, a display screen and an input key are arranged on the shell, a metering processing unit is arranged in the shell, the voltage input interface, the current input interface, the display screen and the input key are respectively and electrically connected with the metering processing unit, and the voltage input interface and the current input interface are electrically connected with a user service line through the voltage and current acquisition device; the invention can enable the user to estimate the electricity consumption of the user according to the electricity utilization time and the electricity utilization period, thereby saving time and labor, and being convenient and quick.
Description
Technical Field
The invention belongs to the technical field of electricity utilization metering, and particularly relates to an electricity utilization metering system.
Background
With the development of economy, the life of residents is improved day by day, various household appliances enter thousands of households, high-power equipment is more and more, the power consumption is larger and larger, and with the further development of industrialization, power resources become scarce resources and have a large amount of power shortage every year. In recent years, although the accuracy of the electric energy meter is improved due to the development of double coverage and metering technology of the intelligent electric meter, the electricity charge of residents is doubled after the accuracy is improved, so that the residents are not easy to understand, and the image of a power supply enterprise is influenced by the fact that the residents refuse to pay the electricity charge and a power supply bureau is often complained. Generally speaking, a user only knows the amount of power consumption when paying electricity and whether the power consumption exceeds the limit, so that the electricity utilization process is uncontrollable, and in addition, the user often forgets to turn off household appliances such as an air conditioner and the like, so that some appliances are in ineffective operation for a long time, and electric energy is wasted.
Some electric appliance manufacturers on the market only mark 2 kilowatts on the name plate of 3 kilowatt devices originally in order to promote goods, so that the energy conservation of the products is demonstrated and used for deceiving consumers, and the actual device capacity is 3 kilowatts; the actual 40W bulb is marked as 15W, and the manufacturer promotes on site that "the 15W bulb is brighter than the 25W bulb", which causes the power consumer to feel that the electricity cost is high, and further causes customer dissatisfaction and complaints, so that a need is urgently needed for analyzing and controlling the actual total power consumption of the user and the power consumption of household appliances, and the user has a plurality of centers on the actual power consumption and the power consumption of each appliance.
Disclosure of Invention
The invention overcomes the defects of the prior art, and solves the technical problems that: the utility model provides a can detect user's total power consumption and domestic appliance power consumption's power consumption metering system.
In order to solve the technical problems, the invention adopts the technical scheme that: an electricity usage metering system comprising: the diagnosis terminal comprises a shell, wherein a voltage input interface, a current input interface, a display screen and an input key are arranged on the shell, a metering processing unit is arranged in the shell, the voltage input interface, the current input interface, the display screen and the input key are respectively and electrically connected with the metering processing unit, and the voltage input interface and the current input interface are electrically connected with a user service line through the voltage and current acquisition device;
the measurement processing unit includes:
a power calculation module: the power value is obtained through calculation according to the voltage and current values;
the power consumption metering module: the system is used for calculating the total power value in the time according to the power value and the power utilization time;
the electricity price metering module: the method is used for calculating the total electricity price in the current electricity time according to the electricity price in the current electricity time.
Preferably, the voltage and current collecting device comprises a voltage collecting contact pin, one end of the voltage collecting contact pin is electrically connected with a service wire of a user, and the other end of the voltage collecting contact pin is electrically connected with the voltage input interface.
Preferably, the voltage and current collecting device comprises a pincer-shaped current transformer, an induction coil of the pincer-shaped current transformer is sleeved on one wire of a user access line, and an output wiring terminal of the pincer-shaped current transformer is electrically connected with the current input interface.
Preferably, the voltage and current acquisition device further comprises a metering socket, the metering socket comprises a socket interface, a power plug, a voltage and current acquisition device and a signal transmission joint, the input end of the voltage and current acquisition device is electrically connected with a subscriber line of a user through the power plug, and the output end of the voltage and current acquisition device is electrically connected with the voltage input interface and the current input interface through the signal transmission joint.
Preferably, the voltage and current obtaining device comprises a voltage transformer and a current transformer, the signal transmission connector comprises a voltage signal connector and a current signal connector, the input end of the voltage transformer is electrically connected with the power plug, and the output end of the voltage transformer is electrically connected with the voltage input interface through the voltage signal connector; the induction coil of the current transformer is sleeved on a power input wire connected with the power plug, and the output end of the current transformer is electrically connected with the current input interface.
Preferably, voltage signal connects, current signal connects and all includes cable, stopper, spring, block and connects the electric head, the stopper is installed on the cable, and the one end of cable is provided with the connector, and the one end at the cable is established to block slidable ground cover to with the connector parcel in it inside, the tip of block is opened has the through-hole with connector matched with, be equipped with the spring between stopper and the block, and the periphery of cable is located to the spring housing.
Preferably, the socket interface includes two-phase socket interface, three-phase socket interface, high-power socket interface and bulb socket interface.
Preferably, signals entering through the voltage input interface and the current input interface are subjected to voltage division and shunt processing on the acquired voltage and current through the voltage and current processing unit, and are converted into digital signals through the analog-to-digital conversion unit and then transmitted to the metering processing unit.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention relates to a power consumption metering system, which collects the voltage and current of a user service line through a voltage and current collecting device, sends the voltage and current to a metering processing unit, calculates the current power of a single-phase user load after processing, and displays the calculated value; the embodiment collects the voltage and the current of a user's house lead through the voltage and current collection device, and the diagnosis terminal can display the total electricity consumption of the user and the total electricity consumption price in the electricity consumption period through inputting the key input electricity consumption period and the electricity price, so that the number of the users in the heart is realized, and unnecessary disputes caused by errors in the calculation of the electricity fee of a power supply company are avoided when electricity is paid.
2. The voltage and current acquisition device comprises the metering socket, when in detection, the power monitoring of the current equipment can be completed only by connecting the power plug with the mains supply through the socket, connecting the power line of the tested electric equipment with the corresponding socket interface and connecting the signal transmission connector with the diagnosis terminal, the tested household appliance omits the complicated steps of wire cutting, wire twisting, wire head processing and the like, the operation is very simple, convenient and fast, and the working efficiency is greatly improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings;
FIG. 1 is a schematic diagram of a diagnostic terminal according to the present invention;
FIG. 2 is a front view of the metering receptacle of the present invention;
FIG. 3 is a rear view of the metering receptacle of the present invention;
FIG. 4 is a cross-sectional view of a voltage signal connector according to the present invention;
FIG. 5 is a schematic block diagram of the electrical circuit of the electricity metering system of the present invention.
In the figure: the socket comprises a shell 1, a voltage input interface 11, a current input interface 12, a display 13, an input key 14, a metering socket 2, a socket interface 21, a two-phase socket port 211, a three-phase socket port 211, a high-power socket port 212, a bulb socket port 213, a power plug 22, a voltage and current acquisition device 23, a signal transmission connector 24, a voltage signal connector 241, a current signal connector 242, a cable 25, a limiting block 26, a spring 27, a cover cap 28 and a connector 29.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some embodiments, but not all embodiments, of the present invention; 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.
Referring to fig. 1-5, the present invention provides the following embodiments.
An electricity usage metering system comprising: as shown in fig. 1, the diagnosis terminal includes a housing 1, the housing 1 is provided with a voltage input interface 11, a current input interface 12, a display screen 13 and an input key 14, the housing 1 is provided with a metering processing unit, the voltage input interface 11, the current input interface 12, the display screen 13 and the input key 14 are respectively electrically connected to the metering processing unit, and the voltage input interface 11 and the current input interface 12 are electrically connected to a subscriber line of a user through the voltage current collection device.
Further, the metrology processing unit comprises:
a power calculation module: collecting the voltage and current of a subscriber line, and calculating to obtain a power value;
the power consumption metering module: calculating the total power value of the user in the time according to the power value and the power utilization time of the user;
the electricity price metering module: and calculating the total electricity price of the user in the current electricity time according to the electricity price in the current electricity time.
Furthermore, the signals entering through the voltage input interface 11 and the current input interface 12 are subjected to voltage division and shunt processing on the acquired voltage and current through the voltage and current processing unit, and are converted into digital signals through the analog-to-digital conversion unit and then transmitted to the metering processing unit, the load power of a single-phase user can be calculated through a power calculation module of the metering processing unit according to a formula P (UI), further, the electricity price metering module can calculate the total electricity price of the user in the current electricity time according to the electricity price (input through the input key 14) in the current electricity time, and the calculated values are displayed through the display screen 13. Referring to fig. 5, a schematic block diagram of a circuit of the electricity metering system of the present invention is shown.
By adopting the scheme, the power value of the electric appliance which is relatively real and is obtained by the calculation of the power calculation module is compared with the identification power (the power identified by a manufacturer) of the electric appliance, so that the power of the electric appliance is diagnosed. Through the system, the user can preliminarily estimate the electricity consumption of the user according to the electricity consumption time and law of the user, and the system has strong practicability.
Preferably, the voltage and current collecting device comprises a voltage collecting contact pin, one end of the voltage collecting contact pin is electrically connected with a service wire of a user, and the other end of the voltage collecting contact pin is electrically connected with the voltage input interface 11; the voltage and current acquisition device comprises a pincer-shaped current transformer, an induction coil of the pincer-shaped current transformer is sleeved on one wire of a user inlet wire, and an output wiring terminal of the pincer-shaped current transformer is electrically connected with the current input interface 12.
Preferably, the positive and negative input ends of the voltage acquisition contact pin are respectively and electrically connected with a user entrance line, the positive and negative output ends of the voltage acquisition contact pin are respectively and electrically connected with a voltage input interface 11 on the diagnosis terminal, an induction coil of the pincerlike current transformer is sleeved on a zero line or a live line of the entrance line, an output wiring terminal of the pincerlike current transformer is electrically connected with a current input interface 12, and the acquired voltage and current are processed by the metering processing unit and then displayed with a display screen 13 to obtain a calculated value.
Preferably, the voltage and current collecting device further includes a metering socket 2, as shown in fig. 2 and fig. 3, the metering socket 2 includes a socket interface 21, a power plug 22, a voltage and current obtaining device 23 and a signal transmission connector 24, an input end of the voltage and current obtaining device 23 is electrically connected to a subscriber line of a user through the power plug 22, and an output end of the voltage and current obtaining device 23 is electrically connected to the voltage input interface 11 and the current input interface 12 through the signal transmission connector 24.
Preferably, the voltage and current obtaining device 23 includes a voltage transformer and a current transformer, the signal transmission connector 24 includes a voltage signal connector 241 and a current signal connector 242, an input end of the voltage transformer is electrically connected to the power plug 22, and an output end of the voltage transformer is electrically connected to the voltage input interface 11 through the voltage signal connector 241; the induction coil of the current transformer is sleeved on a power input wire connected with the power plug 22, and the output end of the current transformer is electrically connected with the current input interface 12. The socket interface 21 includes two-phase and three-phase socket ports 211, a high power socket port 212, and a bulb socket port 213.
During detection, a power line of the electric equipment is connected to the corresponding socket interface 21, commercial power is electrically connected with the power plug 22 through a power input line, the voltage and current acquisition device 23 acquires the voltage and the current of the power input line and transmits the voltage and the current to the diagnosis terminal through the signal transmission connector 24, and the diagnosis terminal displays the current power consumption of the household appliance; in the embodiment, the power monitoring of the household appliance can be completed only by connecting the power plug 22 with the mains supply through the socket, connecting the power line of the household appliance to be tested with the corresponding socket interface 21 and connecting the signal transmission connector 24 with the diagnosis terminal, the household appliance to be tested omits the complicated steps of wire cutting, wire twisting, wire head processing and the like, the operation is very simple, convenient and fast, the working efficiency is greatly improved, and the user can conveniently count and analyze the power consumption information of the household appliance.
Further, the voltage signal connector 241 and the current signal connector 242 each include a cable 25, a limiting block 26, a spring 27, a cap 28 and a power connection head 29, the limiting block 26 is mounted on the cable 25, one end of the cable 25 is provided with the connection head 29, the cap 28 is slidably sleeved at one end of the cable 25 and wraps the connection head 29 inside, a through hole matched with the connection head 29 is formed in the end portion of the cap 28, the spring 27 is arranged between the limiting block 26 and the cap 28, and the spring 27 is sleeved on the periphery of the cable 25; in this embodiment, a voltage signal connector 241 is taken as an example for explanation, and a schematic structural diagram of the voltage signal connector is shown in fig. 4.
During the use, connect electric head 29 and pass the through-hole of block 28 and link to each other with voltage input interface 11, the electric current input interface 12 at diagnosis terminal, spring 27 is compression state, when equipment demolishs, and the in-process block 28 is extracted outwards under the effect of spring 27 and is sheltered from and avoid electrocuteeing to connect electric head 29, very big protection user's security, have extremely strong practicality.
The electricity consumption metering system provided by the embodiment of the invention can collect the real power data of the household appliances of the user through the voltage and current collecting device, and realizes the diagnosis of the declared power numerical value of the manufacturer, so that the electricity consumption of the user is in the heart, and when the electricity is paid, the unnecessary dispute caused by the error of the electricity charge calculation of the power supply company is avoided.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. An electricity metering system, characterized in that: the method comprises the following steps: the diagnosis terminal comprises a shell (1), wherein a voltage input interface (11), a current input interface (12), a display screen (13) and an input key (14) are arranged on the shell (1), a metering processing unit is arranged in the shell (1), the voltage input interface (11), the current input interface (12), the display screen (13) and the input key (14) are respectively and electrically connected with the metering processing unit, and the voltage input interface (11) and the current input interface (12) are electrically connected with an entrance line of a user through the voltage and current acquisition device;
the measurement processing unit includes:
a power calculation module: for calculating a power value from the voltage and current data;
the power consumption metering module: the system is used for calculating the total power value of the user in the time according to the power value and the power utilization time;
the electricity price metering module: and the method is used for calculating the total electricity price of the user in the current electricity time according to the electricity price in the current electricity time.
2. The electricity consumption metering system according to claim 1, wherein: the voltage and current acquisition device comprises a voltage acquisition contact pin, one end of the voltage acquisition contact pin is electrically connected with a user service line, and the other end of the voltage acquisition contact pin is electrically connected with a voltage input interface (11).
3. The electricity consumption metering system according to claim 2, wherein: the voltage and current acquisition device comprises a pincer-shaped current transformer, an induction coil of the pincer-shaped current transformer is sleeved on one wire of a user inlet wire, and an output wiring terminal of the pincer-shaped current transformer is electrically connected with a current input interface (12).
4. The electricity consumption metering system according to claim 1, wherein: the voltage and current acquisition device further comprises a metering socket (2), the metering socket (2) comprises a socket interface (21), a power plug (22), a voltage and current acquisition device (23) and a signal transmission joint (24), the input end of the voltage and current acquisition device (23) is electrically connected with a service wire of a user through the power plug (22), and the output end of the voltage and current acquisition device (23) is electrically connected with the voltage input interface (11) and the current input interface (12) through the signal transmission joint (24).
5. The electricity consumption metering system according to claim 4, wherein: the voltage and current acquisition device (23) comprises a voltage transformer and a current transformer, the signal transmission joint (24) comprises a voltage signal joint (241) and a current signal joint (242), the input end of the voltage transformer is electrically connected with the power plug (22), and the output end of the voltage transformer is electrically connected with the voltage input interface (11) through the voltage signal joint (241); the induction coil of the current transformer is sleeved on a power input wire connected with a power plug (22), and the output end of the current transformer is electrically connected with the current input interface (12).
6. The electricity consumption metering system according to claim 4, wherein: voltage signal connects (241), current signal connects (242) and all includes cable (25), stopper (26), spring (27), block (28) and connects electric head (29), install on cable (25) stopper (26), and the one end of cable (25) is provided with connector (29), and the one end at cable (25) is established to block (28) slidable ground to with connector (29) parcel in its inside, the tip of block (28) is opened has the through-hole with connector (29) matched with, be equipped with spring (27) between stopper (26) and block (28), and the periphery of cable (25) is located to spring (27) cover.
7. The electricity consumption metering system according to claim 6, wherein: the socket interface (21) comprises two-phase and three-phase socket ports (211), a high-power socket port (212) and a bulb socket port (213).
8. The electricity consumption metering system according to claim 1, wherein: signals entering through the voltage input interface (11) and the current input interface (12) are subjected to voltage division and shunt processing on the acquired voltage and current through the voltage and current processing unit, and are converted into digital signals through the analog-to-digital conversion unit and then transmitted to the metering processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911133842.3A CN110988457A (en) | 2019-11-19 | 2019-11-19 | Power consumption metering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911133842.3A CN110988457A (en) | 2019-11-19 | 2019-11-19 | Power consumption metering system |
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| Publication Number | Publication Date |
|---|---|
| CN110988457A true CN110988457A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911133842.3A Pending CN110988457A (en) | 2019-11-19 | 2019-11-19 | Power consumption metering system |
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| CN (1) | CN110988457A (en) |
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| CN203617788U (en) * | 2013-11-07 | 2014-05-28 | 广东电网公司佛山供电局 | Household electrical appliance power consumption management device |
| CN203707487U (en) * | 2013-10-25 | 2014-07-09 | 长沙市博巨兴电子科技有限公司 | Metering socket |
| CN204204187U (en) * | 2014-11-07 | 2015-03-11 | 国家电网公司 | A kind of electricity consumption based on GSM network gathers intelligent terminal |
| CN209516111U (en) * | 2019-05-07 | 2019-10-18 | 宋书葳 | A kind of anti-electric shock type plug |
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2019
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201804033U (en) * | 2010-09-20 | 2011-04-20 | 宁波百年电器有限公司 | Electric energy fee counter |
| CN201985387U (en) * | 2011-01-20 | 2011-09-21 | 王中伟 | Multifunctional electricity-metering multi-outlet socket |
| CN202135153U (en) * | 2011-08-09 | 2012-02-01 | 北京华电信通科技有限公司 | WSN gateway with electric energy metering function |
| CN202977898U (en) * | 2012-11-21 | 2013-06-05 | 大连职业技术学院 | Power socket capable of measuring power consumption |
| CN203707487U (en) * | 2013-10-25 | 2014-07-09 | 长沙市博巨兴电子科技有限公司 | Metering socket |
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Application publication date: 20200410 |