Device for replacing electricity meters without power interruption

Abstract

This application discloses a device for uninterrupted meter replacement, comprising a switching module, a metering module, and a control module. The control signal input terminal of the switching module is electrically connected to the first control signal output terminal of the control module via a plug-in connection, and the first power connection terminal of the switching module is electrically connected to the power connection terminal of the meter to be replaced. The second power connection terminal of the switching module is electrically connected to the power connection terminal of the metering module via a plug-in connection. The power output terminal of the metering module is electrically connected to the power input terminal of the control module. The switching module is used to switch the connection line where the meter to be replaced is located and the connection line where the metering module is located. The metering module is used to temporarily measure the power consumption during meter replacement. The control module is used to fuse the temporarily measured power consumption with the user's power consumption information and send the fused power consumption information to the new meter. This application achieves seamless line switching, enabling meter replacement and power consumption measurement without interrupting power.

Description

Technical Field

[0001] This invention belongs to the field of electricity meter technology, and specifically relates to a device for replacing electricity meters without interrupting power supply. Background Technology

[0002] Traditional meter replacement typically requires a power outage, disrupting the user's normal power supply and causing significant inconvenience to their daily life and work. It also impacts the service quality and efficiency of power supply companies. With the continuous growth in electricity demand and increasing user requirements for power supply reliability, uninterrupted meter replacement technology has become a key focus in the power industry.

[0003] The existing uninterrupted meter replacement device consists of a metering box containing a fixing plate, a conductive block, a conductive spring, a placement slot, and a driving unit. The conductive block is placed in the placement slot, and the conductive spring is placed on the side of the placement slot. The driving unit includes an inner cavity, a rotating column, gears, a rectangular block, a screw, a spring, a connecting rod, and a push rod. As the rotating column rotates, the screw gradually enters the screw hole, simultaneously driving the two connecting rods to move relative to each other. This, in turn, causes the push rod to apply pressure to the conductive block towards the conductive spring, ultimately bringing the conductive block into contact with the conductive spring. The conductive spring connects to the inlet and outlet terminals of the temporary meter, allowing the temporary meter to measure electricity consumption during the initial meter removal process.

[0004] However, due to the large number of parts and relatively complex mechanical structure of the drive unit, malfunctions may occur. For example, the connection between the screw and the screw hole may become unstable as the screw gradually enters the screw hole, and prolonged use may cause the conductive block and conductive spring to detach, making it impossible to provide power to the temporary meter. Therefore, a device with a stable connection and uninterrupted power supply for meter replacement is needed. Summary of the Invention

[0005] In view of this, the present invention provides a device for replacing electricity meters without power interruption. The main purpose is to solve the problem that existing devices for replacing electricity meters without power interruption tend to detach from the conductive block and conductive spring after long-term use, thus failing to provide power to the temporary meter.

[0006] To address the aforementioned problems, this application provides a device for uninterrupted meter replacement, comprising: a switching module, a metering module, a control module, and a communication module, wherein...

[0007] The control signal input terminal of the switching module is electrically connected to the first control signal output terminal of the control module via a plug-in connection. The power input terminal of the switching module is electrically connected to an AC power source. The first power connection terminal of the switching module is electrically connected to the power connection terminal of the meter to be replaced. The second power connection terminal of the switching module is electrically connected to the power connection terminal of the metering module via a plug-in connection. The output terminal of the switching module is electrically connected to the incoming power line. The power output terminal of the metering module is electrically connected to the power input terminal of the control module. The data communication terminal of the control module is electrically connected to the first data communication terminal of the communication module. The second data communication terminal of the communication module is electrically connected to the data communication terminal of the meter to be replaced. The switching module includes a first sub-switching unit and a second sub-switching unit. The first sub-switching unit includes a first relay and a first set of connectors. The second sub-switching unit includes a second relay, a second set of connectors, and a third set of connectors.

[0008] The switching module is used to switch the connection line of the meter to be replaced and the connection line of the metering module according to the control signal output by the control module when replacing the meter to be replaced. This is to ensure that during the meter replacement, the connection line of the meter to be replaced is disconnected, while the connection line of the metering module is connected. The metering module is used to temporarily measure the electricity consumption when replacing the meter to be replaced and transmit the temporarily measured electricity consumption to the control module. The communication module is used to transmit the user's electricity consumption information and user's meter address of the meter to be replaced to the control module. The control module is used to merge the temporarily measured electricity consumption with the user's electricity consumption information so that after the meter replacement is completed, the merged user's electricity consumption information and user's meter address are sent to the new meter.

[0009] In one embodiment of the present invention, optionally, the control signal input terminal of the first sub-switching unit is electrically connected to the first control signal output terminal of the control module in a plug-in manner; the first power input terminal of the first sub-switching unit is electrically connected to the AC power supply; the second power output terminal of the first sub-switching unit is electrically connected to the input terminal of the meter to be replaced; the inlet input terminal of the first sub-switching unit is electrically connected to the output terminal of the meter to be replaced; and the inlet output terminal of the first sub-switching unit is electrically connected to the inlet line. The second power input terminal of the first sub-switching unit is electrically connected to the AC power supply, and the second power output terminal of the first sub-switching unit is electrically connected to both the control terminal and the power input terminal of the second sub-switching unit.

[0010] The power output terminal of the second sub-switching unit is electrically connected to the input terminal of the metering module in a plug-in manner, the inlet input terminal of the second sub-switching unit is electrically connected to the power output terminal of the metering module in a plug-in manner, and the inlet output terminal of the second sub-switching unit is electrically connected to the inlet line.

[0011] In one embodiment of the present invention, optionally, the first set of connectors is electrically connected to the first control signal output terminal of the control module in a plug-in manner. The first set of connectors is also electrically connected to the coil of the first relay. The first end of the first normally closed contact of the first relay is electrically connected to the AC power supply. The second end of the first normally closed contact of the first relay is electrically connected to the input terminal of the meter to be replaced. The first end of the second normally closed contact of the first relay is electrically connected to the output terminal of the meter to be replaced. The second end of the second normally closed contact of the first relay is electrically connected to the incoming line. The first end of the normally open contact of the first relay is electrically connected to the AC power supply. The second end of the normally open contact of the first relay is electrically connected to the control terminal of the second sub-switching unit and the power input terminal of the second sub-switching unit, respectively.

[0012] In one embodiment of the present invention, optionally, the coil of the second relay is electrically connected to the second end of the normally open contact of the first relay and the second set of connectors, the second set of connectors is also electrically connected to the input end of the metering module in a plug-in manner, the third set of connectors is electrically connected to the output end of the metering module in a plug-in manner, the third set of connectors is also electrically connected to the first end of the normally open contact of the second relay, and the second end of the normally open contact of the second relay is electrically connected to the incoming line.

[0013] In one embodiment of the present invention, optionally, the device for uninterrupted meter replacement further includes a residual current device (RCD), wherein the input terminal of the RCD is electrically connected to the second terminal of the normally open contact of the first relay, and the output terminal of the RCD is electrically connected to the second set of connectors.

[0014] In one embodiment of the present invention, optionally, the metering module includes a power supply unit, a voltage detection unit, a current detection unit, and a power metering chip, wherein,

[0015] The input terminal of the power supply unit is electrically connected to the second set of connectors in a plug-in manner. The output terminal of the power supply unit is electrically connected to the input terminal of the voltage detection unit and the input terminal of the current detection unit, respectively. The output terminal of the voltage detection unit is electrically connected to the voltage input terminal of the power metering chip. The output terminal of the current detection unit is electrically connected to the current input terminal of the power metering chip. The power output terminal of the power metering chip is electrically connected to the power input terminal of the control module. The output terminal of the power supply unit is electrically connected to the third set of connectors in a plug-in manner.

[0016] In one embodiment of the present invention, optionally, the uninterrupted meter replacement device further includes: an interaction module, wherein the data input / output terminal of the interaction module is electrically connected to the data input / output terminal of the control module, the interaction module is used to receive control commands from the user and transmit the received control commands to the control module, so that the control module issues a control signal to the switching module according to the received control commands.

[0017] In one embodiment of the present invention, optionally, the device for uninterrupted meter replacement further includes: a battery power module, wherein the power output terminal of the battery power module is electrically connected to the power terminal of the control module and the power terminal of the communication module.

[0018] In one embodiment of the present invention, optionally, the device for uninterrupted meter replacement further includes: a third relay and a fourth set of connectors, wherein the fourth set of connectors is electrically connected to the second control signal output terminal of the control module in a plug-in manner, the fourth set of connectors is also electrically connected to the coil of the third relay, the first end of the normally closed contact of the third relay is electrically connected to the AC power supply, and the second end of the normally closed contact of the third relay is electrically connected to the first end of the normally open contact of the first relay.

[0019] In one embodiment of the present invention, optionally, the control module is used to obtain the user's total electricity consumption based on the temporarily measured electricity consumption and the user's electricity consumption information, match the user's total electricity consumption with a preset electricity consumption payment rule, and output a second control signal to the coil of the third relay according to the matching result.

[0020] The beneficial effects of this application are as follows: The present invention provides a device for uninterrupted electricity meter replacement. When replacing the meter to be replaced, the control module sends a control signal to the switching module. The switching module then switches the AC power supply from the connection line of the meter to the connection line of the metering module to the incoming line. The metering module temporarily measures the electricity consumption during the meter replacement and sends the temporarily measured electricity consumption to the control module. The control module obtains the user's electricity consumption information from the meter to be replaced through the communication module and integrates the temporarily measured electricity consumption and the user's electricity consumption information. The switching module, control module, and metering module are all electrical components and do not involve complex mechanical structures. The electrical connection between these modules simplifies the device, achieves stable line connection, and enables seamless switching. The device allows for meter replacement and electricity measurement without interrupting power, improving the stability and convenience of meter replacement.

[0021] The above description is merely an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention and to implement it in accordance with the contents of the specification, and in order to make the above and other objects, features and advantages of the present invention more apparent and understandable, specific embodiments of the present invention are described below. Attached Figure Description

[0022] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the invention. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings:

[0023] Figure 1 A structural block diagram of an apparatus for uninterrupted meter replacement, which is an exemplary embodiment of the present invention;

[0024] Figure 2 A structural connection diagram of a switching module for an uninterrupted meter replacement device, which is an exemplary embodiment of the present invention;

[0025] Figure 3 A structural connection diagram of a metering module for an uninterrupted meter replacement device, which is an exemplary embodiment of the present invention;

[0026] Figures 4a-4c This is a schematic diagram of the connection state of a device for uninterrupted meter replacement, which is an exemplary embodiment of the present invention.

[0027] in,

[0028] Figures 1-4cThe following are the labelings: 12-Switching module; 14-Metering module; 16-Control module; 18-Communication module; 19-Interaction module; 20-AC power supply; 30-Meter to be replaced; 40-Inlet line; KM1-First relay; KM1-1-First normally closed contact of the first relay; KM1-2-Second normally closed contact of the first relay; KM1-3-Normal open contact of the first relay; KM2-Second relay; KM2-1-Normal open contact of the second relay; P1-First group of connectors; P2-Second group of connectors; P3-Third group of connectors; 141-Voltage detection unit; 142-Current detection unit; 143-Electricity metering chip. Detailed Implementation

[0029] The present invention will be described in detail below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in the embodiments of the present invention can be combined with each other.

[0030] To further illustrate the technical means and effects adopted by the present invention to achieve the intended purpose, the specific embodiments, structures, features, and effects according to the present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments. In the following description, different "an embodiment" or "an embodiment" do not necessarily refer to the same embodiment. Furthermore, specific features, structures, or characteristics in one or more embodiments can be combined in any suitable form.

[0031] The following is combined Figures 1 to 4c An apparatus for uninterrupted meter replacement according to some embodiments of the present invention is described.

[0032] In one embodiment, such as Figure 1 As shown, a device for uninterrupted meter replacement includes: a switching module 12, a metering module 14, a control module 16, and a communication module 18, wherein...

[0033] The control signal input terminal of the switching module 12 is electrically connected to the first control signal output terminal of the control module 16 via a plug-in method. The power input terminal of the switching module 12 is electrically connected to the AC power supply 20, and the first power connection terminal of the switching module 12 is electrically connected to the power connection terminal of the meter to be replaced 30. The second power connection terminal of the switching module 12 is electrically connected to the power connection terminal of the metering module 14 via a plug-in method. The output terminal of the switching module 12 is electrically connected to the incoming line 40. The power output terminal of the metering module 14 is electrically connected to the power input terminal of the control module 16. The data communication terminal of the control module 16 is electrically connected to the first data communication terminal of the communication module 18, and the second data communication terminal of the communication module 18 is electrically connected to the data communication terminal of the meter to be replaced 30. The switching module includes a first sub-switching unit and a second sub-switching unit. The first sub-switching unit includes a first relay and a first set of connectors. The second sub-switching unit includes a second relay, a second set of connectors, and a third set of connectors.

[0034] The switching module 12 is used to switch the connection line of the meter to be replaced 30 and the connection line of the metering module 14 according to the control signal output by the control module 16 when replacing the meter to be replaced 30. This is to disconnect the connection line of the meter to be replaced 30 during the meter replacement, and connect the connection line of the metering module 14. The metering module 14 is used to temporarily measure the electricity consumption when replacing the meter to be replaced 30 and transmit the temporarily measured electricity consumption to the control module 16. The communication module 18 is used to transmit the user electricity consumption information and user meter address of the meter to be replaced 30 to the control module 16. The control module 16 is used to merge the temporarily measured electricity consumption and the user electricity consumption information so that after the meter replacement is completed, the merged user electricity consumption information and user meter address are sent to the new meter.

[0035] Specifically, when the meter to be replaced is in normal use, the switching module connects the AC power supply, the meter to be replaced, and the incoming line, thus connecting the line where the meter to be replaced is located. Conversely, it disconnects the AC power supply from the metering module and the incoming line, thus disconnecting the line where the metering module is located.

[0036] When replacing an electricity meter, the control module obtains the electricity consumption data, meter address, and user payment information from the meter to be replaced through the communication module. The metering module is then connected to the switching module. The control module sends a control signal to the switching module, which disconnects the AC power supply, the meter to be replaced, and the incoming power line based on the control signal. This disconnects the connection line of the meter to be replaced and simultaneously reconnects the AC power supply to the metering module and the incoming power line, allowing the metering module to perform electricity consumption measurement during the meter replacement process. This achieves a circuit switching function for uninterrupted meter replacement, ensuring a stable voltage supply and accurate switching during the replacement process, and avoiding the impact of voltage fluctuations on user equipment and the meter replacement operation.

[0037] The control module integrates the electricity consumption measured by the metering module with the user's electricity consumption information obtained from the meter to be replaced. After successful meter replacement, the control module sends a control signal to the switching module. The switching module, based on the control signal, disconnects the AC power supply from the metering module and the incoming power line, while simultaneously connecting the AC power supply, the new meter, and the incoming power line, ensuring the new meter's connection is complete. The control module is electrically connected to the new meter via the communication module, transmitting the integrated user electricity consumption information and the user's meter address to the new meter. According to the power company's set policies, the control module precisely controls the meter replacement supply without affecting other legitimate users' electricity consumption, performing a seamless switch in real time. The new meter records the old meter's electricity consumption and address information.

[0038] Compared with existing technologies, the present invention provides a device for uninterrupted electricity meter replacement. When replacing the meter to be replaced, the control module sends a control signal to the switching module. The switching module then switches the AC power supply from the connection line of the meter to the connection line of the metering module to the incoming line. The metering module temporarily measures the electricity consumption during the meter replacement and sends the temporarily measured electricity consumption to the control module. The control module obtains the user's electricity consumption information from the meter to be replaced through the communication module and merges the temporarily measured electricity consumption with the user's electricity consumption information to send to the new meter. The switching module, control module, and metering module are all electrical components and do not involve complex mechanical structures. The electrical connection between these modules simplifies the device, achieves stable line connection, and enables seamless switching. Meter replacement and electricity consumption measurement are performed without interrupting power, improving the stability and convenience of meter replacement.

[0039] In one embodiment, the control signal input terminal of the first sub-switching unit is electrically connected to the first control signal output terminal of the control module 16 via a plug-in connection; the first power input terminal of the first sub-switching unit is electrically connected to the AC power supply 20; the second power output terminal of the first sub-switching unit is electrically connected to the input terminal of the meter to be replaced 30; the inlet input terminal of the first sub-switching unit is electrically connected to the output terminal of the meter to be replaced 30; and the inlet output terminal of the first sub-switching unit is electrically connected to the inlet line 40. The second power input terminal of the first sub-switching unit is electrically connected to the AC power supply 20, and the second power output terminal of the first sub-switching unit is electrically connected to the control terminal of the second sub-switching unit and the power input terminal of the second sub-switching unit, respectively.

[0040] The power output terminal of the second sub-switching unit is electrically connected to the input terminal of the metering module 14 via a plug-in method. The inlet input terminal of the second sub-switching unit is electrically connected to the power output terminal of the metering module 14 via a plug-in method. The inlet output terminal of the second sub-switching unit is electrically connected to the inlet line 40.

[0041] Specifically, when the meter to be replaced is in normal use, the first sub-switching unit connects the AC power supply, the meter to be replaced, and the incoming power line, making the connection line of the meter to be replaced continuous. Simultaneously, the first sub-switching unit disconnects the AC power supply from the metering module, making the connection line of the metering module disconnect. When meter replacement is required, the first sub-switching unit disconnects the AC power supply, the meter to be replaced, and the incoming power line, making the connection line of the meter to be replaced disconnect. At the same time, the first sub-switching unit transmits AC power to the second sub-switching unit, which then connects the AC power supply to the metering module and the incoming power line, making the connection line of the metering module continuous.

[0042] After the meter replacement is successful, the first sub-switching unit connects the AC power supply, the new meter, and the incoming line, making the connection line where the new meter is located connected. The first sub-switching unit then disconnects the AC power supply from the metering module, making the connection line where the metering module is located disconnected.

[0043] In one embodiment, such as Figure 2As shown, the first set of connectors P1 is electrically connected to the first control signal output terminal of the control module 16 via a plug-in method. The first set of connectors P1 is also electrically connected to the coil of the first relay KM1. The first terminal of the first normally closed contact KM1-1 of the first relay is electrically connected to the AC power supply 20. The second terminal of the first normally closed contact KM1-1 of the first relay is electrically connected to the input terminal of the meter to be replaced 30. The first terminal of the second normally closed contact KM1-2 of the first relay is electrically connected to the output terminal of the meter to be replaced 30. The second terminal of the second normally closed contact KM1-2 of the first relay is electrically connected to the incoming line 40. The first terminal of the normally open contact KM1-3 of the first relay is electrically connected to the AC power supply 20. The second terminal of the normally open contact KM1-3 of the first relay is electrically connected to the control terminal of the second sub-switching unit and the power input terminal of the second sub-switching unit, respectively.

[0044] Specifically, when the meter to be replaced is in normal use, the coil of the first relay is not energized, and the first normally closed contact and the second normally closed contact of the first relay are closed, thus connecting the circuit where the meter to be replaced is located. When the meter needs to be replaced, the coil of the first relay receives a control signal from the control module, energizes the coil of the first relay, and opens the first normally closed contact and the second normally closed contact of the first relay, thus disconnecting the circuit where the meter to be replaced is located.

[0045] After the meter is successfully replaced, the coil of the first relay receives the control signal from the control module, the coil of the first relay is de-energized, and the first normally closed contact and the second normally closed contact of the first relay close, so that the connection line where the new meter is located is connected.

[0046] In one embodiment, such as Figure 2 As shown, the coil of the second relay KM2 is electrically connected to the second terminal of the normally open contact KM1-3 of the first relay and the second set of connectors P2. The second set of connectors P2 is also electrically connected to the input terminal of the metering module 14 in a plug-in manner. The third set of connectors P3 is electrically connected to the output terminal of the metering module 14 in a plug-in manner. The third set of connectors P3 is also electrically connected to the first terminal of the normally open contact KM2-1 of the second relay. The second terminal of the normally open contact KM2-1 of the second relay is electrically connected to the incoming line 40.

[0047] Specifically, when the meter is in normal use, the coil of the first relay is not energized, and the normally open contact of the first relay is open. Therefore, even if the metering module is connected to the switching module, the connection line of the metering module is open. When the meter needs to be replaced, the power input terminal of the metering module is connected to the second set of connectors, and the power output terminal of the metering module is connected to the third set of connectors. When the coil of the first relay receives the control signal from the control module, the coil of the first relay is energized, and the normally open contact of the first relay closes. The coil of the second relay is energized, and the normally open contact of the second relay closes, thus connecting the connection line of the metering module. The metering module then measures the electricity consumption during the meter replacement process.

[0048] After the meter is successfully replaced, the coil of the first relay receives the control signal from the control module, the coil of the first relay is de-energized, and the normally open contact of the first relay opens. The coil of the second relay is also de-energized, and the normally open contact of the second relay opens, thus disconnecting the connection line where the metering module is located.

[0049] In one embodiment, the device for uninterrupted meter replacement also includes a residual current device (RCD), the input terminal of which is electrically connected to the second terminal of the normally open contact KM1-3 of the first relay, and the output terminal of which is electrically connected to the second set of connectors.

[0050] Specifically, a residual current device (RCD) is installed to monitor the leakage current in the circuit in real time. Once an abnormality is detected in the circuit, the protection action is immediately triggered, cutting off the circuit and issuing an alarm signal to ensure personnel safety and normal equipment operation.

[0051] In one embodiment, such as Figure 3 As shown, the metering module 14 includes a power supply unit, a voltage detection unit 141, a current detection unit 142, and a power metering chip 143, wherein,

[0052] The input terminal of the power supply unit is electrically connected to the second set of connectors P2 in a plug-in manner. The output terminal of the power supply unit is electrically connected to the input terminal of the voltage detection unit 141 and the input terminal of the current detection unit 142, respectively. The output terminal of the voltage detection unit 141 is electrically connected to the voltage input terminal of the power metering chip 143. The output terminal of the current detection unit 142 is electrically connected to the current input terminal of the power metering chip 143. The power output terminal of the power metering chip 143 is electrically connected to the power input terminal of the control module 16. The output terminal of the power supply unit is electrically connected to the third set of connectors P3 in a plug-in manner.

[0053] Specifically, the voltage signal pin of the power metering chip is connected to the output of the voltage detection unit. After the voltage signal enters the power metering chip, the internal A / D converter converts the voltage signal to the digital domain. The current signal pin of the power metering chip is connected to the output of the current detection unit. After the current signal enters the power metering chip, the internal A / D converter converts the current signal to the digital domain. Then, a fixed-function digital signal processor multiplies the voltage and current signals. The product is proportional to the instantaneous power, thus obtaining a signal related to the average power, thereby achieving power metering. The current detection unit can use a current transformer, with its primary winding connected in series with the power supply unit, and its secondary winding connected to the current input of the metering module. The voltage detection unit can use a voltage transformer, with its primary winding connected in series with the power supply unit, and its secondary winding connected to the voltage input of the metering module.

[0054] In one embodiment, the uninterrupted meter replacement device further includes an interaction module, the data input / output terminal of which is electrically connected to the data input / output terminal of the control module 16. The interaction module is used to receive control commands from the user and transmit the received control commands to the control module 16, so that the control module 16 issues a control signal to the switching module 12 according to the received control commands.

[0055] Specifically, the interaction module can be a keyboard, mouse, touchscreen, voice receiver, etc. The user sends switching commands to the control module through the interaction module. The control module then sends control signals to the switching module based on the received switching commands, and the switching module executes the corresponding actions based on the received control information.

[0056] In one embodiment of this invention, the device for uninterrupted meter replacement further includes a battery power module, the power output terminal of which is electrically connected to the power terminal of the control module 16 and the power terminal of the communication module 18.

[0057] Specifically, the battery power module includes a lithium battery, a power conversion unit, etc. The power conversion unit mainly includes a conversion chip, which converts the voltage provided by the lithium battery into the operating voltage of the control module, providing power to the control module and the communication module so that the control module and the communication module can work normally.

[0058] In one embodiment, the device for uninterrupted meter replacement further includes: a third relay and a fourth set of connectors. The fourth set of connectors is electrically connected to the second control signal output terminal of the control module in a plug-in manner. The fourth set of connectors is also electrically connected to the coil of the third relay. The first end of the normally closed contact of the third relay is electrically connected to the AC power supply, and the second end of the normally closed contact of the third relay is electrically connected to the first end of the normally open contact of the first relay.

[0059] Specifically, the control module obtains the user's total electricity consumption based on the temporary metered electricity consumption and user electricity consumption information. It then matches the user's total electricity consumption with the preset electricity consumption payment rules. If a user has a large amount of overdue payment and has not paid despite multiple reminders, the control module outputs a second control signal to the coil of the third relay. The coil of the third relay is energized, the normally closed contact of the third relay opens, and the connection line where the metering module is located is disconnected.

[0060] like Figure 4a As shown, during the preparation for meter replacement, the metering module 14 and control module 16 are plugged into the switching module 12. The control module 16 obtains the user's electricity consumption information and the user's meter address from the meter to be replaced via the communication module 18. Figure 4b As shown, when replacing the electricity meter, the interaction module 19 receives a control command and sends it to the control module 16. The control module 16 then sends a first control signal to the switching module 12 according to the control command. The switching module 12 switches the circuit, disconnecting the connection line of the meter to be replaced and connecting the connection line of the metering module 14. The metering module 14 then measures the user's electricity consumption. Figure 4c As shown, after the replacement is successful, the interaction module 19 receives the control command and sends it to the control module 16. The control module 16 sends the first control signal to the switching module 12 according to the control command. The switching module 12 switches the line so that the connection line where the new meter is located is connected and the connection line where the metering module 14 is located is disconnected. The control module 16 sends the integrated user electricity information and user meter address to the new meter through the communication module 18.

[0061] The process of the uninterrupted power meter replacement device of this application is as follows: When the meter to be replaced is in normal use, the coil of the first relay is not energized, the first normally closed contact and the second normally closed contact of the first relay are closed, the normally open contact of the first relay is open, the connection line of the meter to be replaced connected to the first normally closed contact and the second normally closed contact of the first relay is connected, the connection line of the metering module connected to the normally open contact of the first relay is disconnected, and the meter to be replaced measures the amount of electricity. When replacing an electricity meter, the metering module is first inserted into the second and third sets of connectors via connecting cables. The first control signal output terminal of the control module is then inserted into the first set of connectors via a cable. The control module obtains the user's electricity consumption information and meter address from the meter to be replaced through the communication module. After preparing for the switch, the user sends a switch command to the control module through the interaction module. The control module sends a control signal to the switch module according to the switch command, that is, sends a control signal to the coil of the first relay. The coil of the first relay is energized, the first normally closed contact and the second normally closed contact of the first relay open, and the normally open contact of the first relay closes. That is, the connection line of the meter to be replaced is disconnected, and AC power is transmitted to the coil of the second relay. The coil of the second relay is energized, the normally open contact of the second relay closes, and the connection line of the metering module is connected. The metering module measures the electricity consumption during the meter replacement and transmits the measured electricity consumption to the control module.

[0062] After the new meter is successfully connected, the user sends a switching command to the control module through the interaction module. The control module sends a control signal to the switching module according to the switching command. The coil of the first relay is de-energized, the first normally closed contact and the second normally closed contact of the first relay close, and the normally open contact of the first relay opens. Because the first normally closed contact and the second normally closed contact of the first relay are closed, the connection line of the new meter is connected. Because the normally open contact of the first relay is open, the coil of the second relay is de-energized, and the connection line of the metering module is disconnected. The control module merges the electricity measured by the metering module with the user electricity information obtained from the meter to be replaced, and sends the merged user electricity information and the user meter address to the new meter.

[0063] It should be understood that various modifications can be made to the embodiments described herein. Therefore, the above description should not be considered as limiting, but merely as an example of embodiments. Other modifications within the scope and spirit of this application will be apparent to those skilled in the art.

[0064] The accompanying drawings, which are included in and form part of this specification, illustrate embodiments of the present application and, together with the general description of the present application given above and the detailed description of the embodiments given below, serve to explain the principles of the present application.

[0065] These and other features of this application will become apparent from the following description of preferred forms of embodiments given as non-limiting examples, with reference to the accompanying drawings.

[0066] It should also be understood that although this application has been described with reference to some specific examples, those skilled in the art can certainly implement many other equivalent forms of this application.

[0067] The above and other aspects, features and advantages of this application will become more apparent when taken in conjunction with the accompanying drawings and in view of the following detailed description.

[0068] Specific embodiments of this application are described thereafter with reference to the accompanying drawings; however, it should be understood that the claimed embodiments are merely examples of this application, which can be implemented in various ways. Well-known and / or repeated functions and structures are not described in detail to avoid unnecessary or redundant details that could obscure the application. Therefore, the specific structural and functional details claimed herein are not intended to be limiting, but merely serve as the basis and representative basis for the claims to teach those skilled in the art to use this application in a variety of substantially any suitable detailed structures.

[0069] This specification may use the phrases “in one embodiment,” “in another embodiment,” “in yet another embodiment,” or “in other embodiments,” all of which may refer to one or more of the same or different embodiments according to this application.

[0070] The above embodiments are merely exemplary embodiments of this application and are not intended to limit this application. The scope of protection of this application is defined by the claims. Those skilled in the art can make various modifications or equivalent substitutions to this application within its substance and scope of protection, and such modifications or equivalent substitutions should also be considered to fall within the scope of protection of this application.

Claims

1. A device for replacing electricity meters without interrupting power supply, characterized in that, include: The module includes a switching module, a metering module, a control module, and a communication module. The control signal input terminal of the switching module is electrically connected to the first control signal output terminal of the control module via a plug-in connection. The power input terminal of the switching module is electrically connected to an AC power source, and the first power connection terminal of the switching module is electrically connected to the power connection terminal of the meter to be replaced. The second power connection terminal of the switching module is electrically connected to the power connection terminal of the metering module via a plug-in connection, and the output terminal of the switching module is electrically connected to the incoming power line. The power output terminal of the metering module is electrically connected to the power input terminal of the control module. The data communication terminal of the control module is electrically connected to the first data communication terminal of the communication module, and the second data communication terminal of the communication module is electrically connected to the data communication terminal of the meter to be replaced. The switching module includes a first sub-switching unit and a second sub-switching unit. The first sub-switching unit includes a first relay and a first set of connectors, and the second sub-switching unit includes a second relay, a second set of connectors, and a third set of connectors. The switching module is used to switch the connection line of the meter to be replaced and the connection line of the metering module according to the control signal output by the control module when replacing the meter to be replaced. During the meter replacement, the connection line of the meter to be replaced is disconnected, and the connection line of the metering module is connected. The metering module is used to temporarily measure the electricity consumption when replacing the meter to be replaced and transmit the temporarily measured electricity consumption to the control module. The communication module is used to transmit the user electricity consumption information and user meter address of the meter to be replaced to the control module. The control module is used to merge the temporarily measured electricity consumption with the user electricity consumption information so that after the meter replacement is completed, the merged user electricity consumption information and user meter address are sent to the new meter. The first set of connectors is electrically connected to the first control signal output terminal of the control module via a plug-in method. The first set of connectors is also electrically connected to the coil of the first relay. The first end of the first normally closed contact of the first relay is electrically connected to the AC power supply. The second end of the first normally closed contact of the first relay is electrically connected to the input terminal of the meter to be replaced. The first end of the second normally closed contact of the first relay is electrically connected to the output terminal of the meter to be replaced. The second end of the second normally closed contact of the first relay is electrically connected to the incoming line. The first end of the normally open contact of the first relay is electrically connected to the AC power supply. The second end of the normally open contact of the first relay is electrically connected to the control terminal of the second sub-switching unit and the power input terminal of the second sub-switching unit, respectively. The first set of connectors is electrically connected to the first control signal output terminal of the control module via a plug-in method. The first set of connectors is also electrically connected to the coil of the first relay. The first end of the first normally closed contact of the first relay is electrically connected to the AC power supply. The second end of the first normally closed contact of the first relay is electrically connected to the input terminal of the meter to be replaced. The first end of the second normally closed contact of the first relay is electrically connected to the output terminal of the meter to be replaced. The second end of the second normally closed contact of the first relay is electrically connected to the incoming line. The first end of the normally open contact of the first relay is electrically connected to the AC power supply. The second end of the normally open contact of the first relay is electrically connected to the control terminal of the second sub-switching unit and the power input terminal of the second sub-switching unit, respectively. The uninterrupted meter replacement device further includes: a third relay and a fourth set of connectors. The fourth set of connectors is electrically connected to the second control signal output terminal of the control module in a plug-in manner. The fourth set of connectors is also electrically connected to the coil of the third relay. The first end of the normally closed contact of the third relay is electrically connected to the AC power supply. The second end of the normally closed contact of the third relay is electrically connected to the first end of the normally open contact of the first relay. The control signal input terminal of the first sub-switching unit is electrically connected to the first control signal output terminal of the control module via a plug-in connection. The first power input terminal of the first sub-switching unit is electrically connected to the AC power supply. The second power output terminal of the first sub-switching unit is electrically connected to the input terminal of the meter to be replaced. The inlet input terminal of the first sub-switching unit is electrically connected to the output terminal of the meter to be replaced. The inlet output terminal of the first sub-switching unit is electrically connected to the inlet line. The second power input terminal of the first sub-switching unit is electrically connected to the AC power supply. The second power output terminal of the first sub-switching unit is electrically connected to both the control terminal and the power input terminal of the second sub-switching unit. The power output terminal of the second sub-switching unit is electrically connected to the input terminal of the metering module in a plug-in manner, the inlet input terminal of the second sub-switching unit is electrically connected to the power output terminal of the metering module in a plug-in manner, and the inlet output terminal of the second sub-switching unit is electrically connected to the inlet line.

2. The device for uninterrupted meter replacement according to claim 1, characterized in that, The uninterrupted meter replacement device also includes a residual current device (RCD). The input terminal of the RCD is electrically connected to the second terminal of the normally open contact of the first relay, and the output terminal of the RCD is electrically connected to the second set of connectors.

3. The device for uninterrupted meter replacement according to claim 1, characterized in that, The metering module includes a power supply unit, a voltage detection unit, a current detection unit, and a power metering chip, wherein... The input terminal of the power supply unit is electrically connected to the second set of connectors in a plug-in manner. The output terminal of the power supply unit is electrically connected to the input terminal of the voltage detection unit and the input terminal of the current detection unit, respectively. The output terminal of the voltage detection unit is electrically connected to the voltage input terminal of the power metering chip. The output terminal of the current detection unit is electrically connected to the current input terminal of the power metering chip. The power output terminal of the power metering chip is electrically connected to the power input terminal of the control module. The output terminal of the power supply unit is electrically connected to the third set of connectors in a plug-in manner.

4. The device for uninterrupted meter replacement according to any one of claims 1-3, characterized in that, The uninterrupted meter replacement device further includes an interaction module, the data input / output terminal of which is electrically connected to the data input / output terminal of the control module. The interaction module is used to receive control commands from the user and transmit the received control commands to the control module, so that the control module issues a control signal to the switching module according to the received control commands.

5. The device for uninterrupted meter replacement according to any one of claims 1-3, characterized in that, The uninterrupted meter replacement device further includes a battery power module, the power output terminal of which is electrically connected to the power terminal of the control module and the power terminal of the communication module.

6. The device for uninterrupted meter replacement according to claim 1, characterized in that, The control module is used to obtain the user's total electricity consumption based on the temporary metered electricity consumption and the user's electricity consumption information, match the user's total electricity consumption with the preset electricity consumption payment rules, and output a second control signal to the coil of the third relay according to the matching result.

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