CN110095649A - A kind of single-phase guide rail type with radio communication mold group takes control intelligent electric energy meter - Google Patents

Abstract

The invention discloses a single-phase guide rail type fee-controlled intelligent electric energy meter with a wireless communication module, which comprises a bottom plate of the electric meter, a left shell, a right shell, a front panel, a rear panel and a top plate, and the left shell and the right shell are fixed buckles respectively. Fitted on the left and right sides of the electric meter bottom plate, and the front panel and the rear panel are fastened on the front and rear ends of the electric meter bottom plate. This single-phase rail-type fee-controlled smart energy meter with a wireless communication module can tightly fix the housing of the energy meter on the rail by adding a guide rail buckle, and the cascaded lock buckle is added to realize multiple energy meters. The connection of the shell; the above installation method is easy to install and the installation is stable; the real-time parameters obtained by the SOC main control chip are transmitted to the remote master station/power sales system through the remote wireless communication module, and the remote master station/power sales system processes the parameters Afterwards, the switch-on, switch-on permission, and ESAM data feedback commands are sent to the SOC main control chip to control the user's power consumption.

Description

A single-phase rail-type fee-controlled smart energy meter with a wireless communication module

technical field

The invention relates to the technical field of electric energy meters, in particular to a single-phase guide rail type cost-control intelligent electric energy meter with a wireless communication module.

Background technique

At present, the terminal electric energy meter encapsulates various functional modules in its shell, which has the disadvantages of large size and inconvenient installation; although the market rail meter is relatively small in size, it has relatively few functions and single performance, which cannot meet the needs of users in the Internet of Things era. Requirements; Generally, there is no load switch to flexibly control the on-off of the load; the lack of remote wireless communication function is not convenient for remote data collection, and it is impossible to realize remote energy efficiency management efficiently and flexibly. Based on the above problems, a wireless communication module is proposed. Single-phase rail-type fee-controlled smart energy meter.

Contents of the invention

The purpose of the present invention is to provide a single-phase rail-type fee-controlled smart energy meter with a wireless communication module, which has the advantages of easy installation, easy networking, and intelligent control of the meter, and solves the inconvenience of installation in the prior art , it is not convenient for remote data collection, and it is impossible to realize remote energy efficiency management efficiently and flexibly.

In order to achieve the above object, the present invention provides the following technical solutions: a single-phase rail-type fee-controlled smart energy meter with a wireless communication module, including a meter bottom plate, a left shell, a right shell, a front panel, a rear panel and a top plate, the The left shell and the right shell are respectively fixed and fastened on the left and right sides of the bottom plate of the meter, the front panel and the rear panel are fastened on the front and rear ends of the bottom plate of the electric meter, and the top plate is fastened on the top of the left shell, the right shell, the front panel and the rear panel; The bottom of the right shell is fixed with cascading locks, and the bottoms of the left and right shells are fixed with guide rail buckles; the end face of the front shell is equipped with a load switch button, a nameplate bottom plate and a nameplate mask , the bottom plate of the nameplate is fixed on the front panel through the card slot, the mask of the nameplate adheres to the bottom plate of the nameplate, and the button of the load switch is fastened in the key groove of the front panel; The connecting terminal is connected with a relay assembly on the top plate of the side end of the upper connecting terminal; the bottom ends of the left shell and the right shell are equipped with a lower terminal cover, and the lower terminal cover is covered on the lower connecting terminal.

Preferably, the bottom plate of the electric meter, the left shell, the right shell, the front panel, the rear panel and the top plate are connected together to form the electric meter housing, and the SOC main control chip is installed inside the electric energy meter shell, and the input terminal of the SOC main control chip is connected to With the relay switch, display circuit, voltage and current acquisition circuit, power pulse output circuit, EEPROM single circuit and 80A relay drive single circuit, the output terminal of the SOC main control chip is connected in series with the optocoupler isolation circuit, and the output terminal of the optocoupler isolation circuit is connected Cascade communication interface, remote wireless communication module and inverter slave/meter calibration port; the power input end of the SOC main control chip is sequentially connected in series with the built-in temperature compensation circuit of the RTC clock, and the power switch is connected to the battery circuit for power supply.

Preferably, the SOC main control chip integrates single-phase electric energy metering, LCD driver, calendar clock, high-performance core, EUART standard communication block, ADC, PWM timer, and temperature sensor.

Preferably, both the cascading communication interface and the inverter slave/meter calibration port adopt RS485 interface.

Compared with the prior art, the beneficial effects of the present invention are as follows:

This is a single-phase rail-type fee-controlled smart energy meter with a wireless communication module; by fixing and installing guide rail buckles at the bottom of the left and right housings, the housing of the electric energy meter can be tightened by the guide rail buckles during installation. It is tightly fixed on the guide rail, and the bottom of the right housing is fixed with a cascade lock, and the cascade lock can be used to lock the adjacent meter to realize the connection of multiple electric energy meter shells; the above installation method is convenient for installation, And the installation is stable; the SOC main control chip can accurately obtain the real-time parameters of the operation, and transmit the obtained parameters to the remote master station/sales system through the remote wireless communication module, and the parameters are transmitted to the remote master station/sales system according to the corresponding Rates and other requirements process the data, issue corresponding instructions after processing, provide information and data interaction to the cascading communication interface at any time through the remote wireless communication module, and issue the switch-on, allow-on, and ESAM data feedback commands to the SOC main control chip to control the user's electricity consumption; the overall installation is convenient, the structure is stable, and the intelligent control of the user's electricity consumption is realized.

Description of drawings

Fig. 1 is an explosion diagram of the present invention;

Fig. 2 is a block diagram of the internal working principle of the present invention.

In the figure: 1. Electric meter bottom plate; 2. Left shell; 3. Right shell; 4. Front panel; 5. Rear panel; 6. Top plate; 7. Cascade lock; 8. Guide rail buckle; ;10. Nameplate bottom plate; 11. Nameplate mask; 12. Lower terminal; 13. Upper terminal; 14. Relay component; 15. Lower terminal cover; 16. SOC main control chip; 17. Relay switch; 18. Display circuit ;19. Voltage and current acquisition circuit; 20. Power pulse output circuit; 21. EEPROM single circuit; 22. 80A relay drive single circuit; 23. Optocoupler isolation circuit; 24. Cascade communication interface; 25. Remote wireless communication module ; 26. Inverter slave/meter calibration port; 27. RTC clock built-in temperature compensation circuit; 28. Power switch; 29. Battery circuit.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figure 1, a single-phase rail-type cost-controlled smart energy meter with a wireless communication module, including a meter base plate 1, a left shell 2, a right shell 3, a front panel 4, a rear panel 5 and a top plate 6, and a left shell 2 and the right casing 3 are respectively fixed and fastened on the left and right sides of the electric meter base plate 1, the front panel 4 and the rear panel 5 are fastened on the front and rear ends of the electric meter bottom plate 1, and the top plate 6 is fastened on the left casing 2, the right casing 3, and the front panel 4 and the top of the rear panel 5; the bottom of the right housing 3 is fixedly equipped with a cascade lock 7, and the bottoms of the left housing 2 and the right housing 3 are fixedly equipped with a guide rail buckle 8; the end surface of the front panel 4 is provided with There are load switch button 9, nameplate bottom plate 10 and nameplate mask 11, nameplate bottom plate 10 is fixed on the front panel 4 by screws, nameplate mask 11 is adhered to nameplate bottom plate 10, load switch button 9 is fastened to the button groove of front panel 4 Inside; the electric meter bottom plate 1 is connected with the lower terminal 12, the top plate 6 is connected with the upper terminal 13, and the top plate 6 at the side end of the upper terminal 13 is connected with the relay assembly 14; the bottom of the left shell 2 and the right shell 3 are all connected A lower terminal cover 15 is installed, and the lower terminal cover 15 is covered on the lower connecting terminal 12 .

Please refer to Figure 2, a single-phase rail-type cost-controlled smart energy meter with a wireless communication module, the meter bottom plate 1, left shell 2, right shell 3, front panel 4, rear panel 5 and top plate 6 are connected into one body to form The electric meter shell, the SOC main control chip 16 is installed inside the electric energy meter shell, and the SOC main control chip 16 integrates single-phase electric energy measurement, LCD driver, calendar clock, high-performance core, EUART standard communication block, ADC, PWM timer, temperature Sensor, input terminal of SOC main control chip 16 and relay switch 17, display circuit 18, voltage and current acquisition circuit 19, power pulse output circuit 20, EEPROM single circuit 21 and 80A relay drive single circuit 22, voltage and current acquisition circuit 19. The power pulse output circuit 20 transmits the collected parameters to the SOC main control chip 16 for processing, the output end of the SOC main control chip 16 is connected to the optocoupler isolation circuit 23 in series, and the output terminal of the optocoupler isolation circuit 23 is connected to the cascade communication interface 24. The remote wireless communication module 25 and the inverter slave/meter calibration port 26 establish a connection with the remote master station/power sales system through the remote wireless communication module 25, and the cascade communication interface 24 transmits data, and the cascade communication interface 24 and the inverter slave/calibration port 26 all adopt the RS485 interface; the power supply input end of the SOC main control chip 16 is sequentially connected in series with the built-in temperature compensation circuit 27 of the RTC clock, and the power switch 28 is connected to the battery circuit 29 for power supply, which is powered by the battery circuit 29 The SOC main control chip 16 works and supplies power.

The single-phase rail-type fee-controlled smart energy meter with a wireless communication module; through the bottom of the left shell 2 and the right shell 3, the guide rail buckle 8 is fixed and installed, and the electric energy can be transferred through the guide rail buckle 8 during installation. The meter case is tightly fixed on the guide rail, and a cascade lock 7 is fixedly installed at the bottom of the right housing 3, and the cascade lock 7 can be used to lock the adjacent meter to realize the connection of multiple electric energy meter housings; The above-mentioned installation method is easy to install, and the installation is stable; the SOC main control chip 16 is adopted as the technical core, and the real-time parameters of the operation can be accurately obtained through the SOC main control chip 16, and the obtained parameters are transmitted to the remote main control unit through the remote wireless communication module 25. Station/power sales system, the parameters are transmitted to the remote master station/power sales system to process the data according to the requirements of the corresponding tariff rate, and issue corresponding instructions after processing, and provide information and information to the cascade communication interface 24 at any time through the remote wireless communication module 25 Data interaction, issue switch-on, switch-on permission, and ESAM data feedback commands to the SOC main control chip 16. When the user owes the fee, the remote master station/power sales system sends a switch-on command to make the user power off. After the user recharges, the remote master station/power sales system will send a closing command to allow the user to close the switch, thereby realizing intelligent control of the user's power consumption.

To sum up: this single-phase rail-type fee-controlled smart energy meter with a wireless communication module; by fixing and installing a rail buckle 8 at the bottom of the left casing 2 and the right casing 3, it can be installed through the rail during installation. Buckle 8 tightly fixes the housing of the electric energy meter on the guide rail, and a cascade lock 7 is fixedly installed on the bottom of the right housing 3, and the adjacent meter can be locked by using the cascade lock 7 to realize multiple electric energy watch cases The connection of the body; the above-mentioned installation method is convenient and stable; the SOC main control chip 16 can accurately obtain the real-time parameters of the operation, and transmit the obtained parameters to the remote master station/power sales system through the remote wireless communication module 25 , the parameters are transmitted to the remote master station/power sales system to process the data according to the requirements of the corresponding tariff rate, and issue corresponding instructions after processing, and provide information and data interaction to the cascade communication interface 24 through the remote wireless communication module 25 at any time, and issue Opening, closing, and ESAM data feedback commands are sent to the SOC main control chip 16 to control the user's power consumption; the overall installation is convenient and the structure is stable, and the intelligent control of the user's power consumption is realized.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (4)

1. A single-phase rail-type fee-controlled smart energy meter with a wireless communication module, including a meter base plate (1), a left casing (2), a right casing (3), a front panel (4), and a rear panel (5) And the top plate (6), it is characterized in that: the left shell (2) and the right shell (3) are respectively fixed and fastened on the left and right sides of the electric meter bottom plate (1), and the front panel (4) and the rear panel (5) are buckled Closed on the front and back ends of the electric meter bottom plate (1), the top plate (6) is fastened on the top of the left shell (2), the right shell (3), the front panel (4) and the rear panel (5); the right shell (3) ) are fixedly installed with cascade locks (7), and the bottom ends of the left housing (2) and the right housing (3) are fixedly equipped with guide rail buckles (8); the front panel (4) The end face is provided with a load switch button (9), a nameplate base plate (10) and a nameplate mask (11), the nameplate base plate (10) is fixed on the front panel (4) through a card slot, and the nameplate mask (11) is adhered to the nameplate base plate (10), the load switch button (9) is fastened in the button groove of the front panel (4); the bottom board (1) of the electric meter is connected with the lower terminal (12), and the top board (6) is connected with the upper wire terminal (13), the top plate (6) of the side end of the upper connection terminal (13) is connected with a relay assembly (14); the bottom ends of the left shell (2) and the right shell (3) are equipped with a lower terminal cover ( 15), the lower terminal cover (15) is covered on the lower connection terminal (12). 2. A single-phase rail-type fee-controlled smart energy meter with a wireless communication module according to claim 1, characterized in that: the meter base (1), left casing (2), right casing (3) , the front panel (4), the rear panel (5) and the top plate (6) are connected into one body to form an electric meter housing, and an SOC main control chip (16) is installed inside the electric energy meter housing, and the input of the SOC main control chip (16) Termination and relay switch (17), display circuit (18), voltage and current acquisition circuit (19), power pulse output circuit (20), EEPROM single circuit (21) and 80A relay drive single circuit (22), SOC main The output terminal of the control chip (16) is connected to the optocoupler isolation circuit (23) in series, and the output terminal of the optocoupler isolation circuit (23) is connected to the cascade communication interface (24), the remote wireless communication module (25) and the inverter slave/ The meter calibration port (26); the power input end of the SOC main control chip (16) is sequentially connected in series with the built-in temperature compensation circuit (27) of the RTC clock, and the power switch (28) is connected to the battery circuit (29) for power supply. 3. A single-phase rail-type cost-controlled smart energy meter with a wireless communication module according to claim 2, characterized in that: said SOC main control chip (16) integrates single-phase electric energy metering, LCD driver, calendar Clock, high-performance core, EUART standard communication block, ADC, PWM timer, temperature sensor. 4. A single-phase rail-type fee-controlled smart energy meter with a wireless communication module according to claim 2, characterized in that: the cascade communication interface (24) and the inverter slave/meter calibration port ( 26) All adopt RS485 interface.