CN109470902B - Intelligent electric meter - Google Patents

Intelligent electric meter Download PDF

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Publication number
CN109470902B
CN109470902B CN201811085956.0A CN201811085956A CN109470902B CN 109470902 B CN109470902 B CN 109470902B CN 201811085956 A CN201811085956 A CN 201811085956A CN 109470902 B CN109470902 B CN 109470902B
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air switch
shunt release
power
current value
electric
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CN109470902A (en
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陈华
李保福
杨绍华
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Zhuhai Unitech Power Technology Co Ltd
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Zhuhai Youte IoT Technology Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/56Special tariff meters

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  • General Physics & Mathematics (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
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Abstract

The invention discloses an intelligent ammeter. Wherein, this smart electric meter includes: electric quantity metering device, shunt release, earth-leakage protector and air switch, wherein: the electric quantity metering device is connected with the shunt release and is used for monitoring a first current value of electric equipment and supplying power to the shunt release under the condition that the first current value is monitored to be larger than a preset power-off current threshold; the shunt release is connected with the air switch and is used for tripping under the condition of receiving the power supply voltage of the electric quantity metering device and driving the air switch to trip; the leakage protector is connected with the shunt release and the air switch, and is used for monitoring a second current value of the electric equipment, tripping when the second current value is monitored to be larger than a leakage current threshold value, and respectively driving the air switch and the shunt release to trip. The invention solves the technical problems that the intelligent electric meter in the prior art is low in integration degree and data processing efficiency and inconvenient for managers to manage the power utilization of users.

Description

Intelligent electric meter
Technical Field
The invention relates to the technical field of ammeter control, in particular to an intelligent ammeter.
Background
In the related art, an electric energy meter, which is simply referred to as an electricity meter, is a meter for measuring electric energy, for example, measuring the magnitude of current in a circuit. In order to solve the problems of stepped electricity price and remote meter reading, semi-intelligent and intelligent electric meters appear in recent years, and the electric meter has the advantages of high accuracy, low power consumption and the like.
However, the semi-intelligent and intelligent electric meters have the disadvantages of low integration degree, large appearance volume, heavy weight and inconvenient installation; moreover, the semi-intelligent and intelligent electric meters adopt the IC card to realize data transmission and data read-back, the efficiency of processing data is low, and the requirement of managing the electricity utilization by managers is difficult to meet, namely the integration degree and the efficiency of processing data of the intelligent electric meter in the prior art are low, so that the managers are not convenient to manage the electricity utilization of users.
Aiming at the technical problems that the integration degree and the data processing efficiency of the intelligent electric meter in the prior art are low, and management of user power utilization by managers is inconvenient, an effective solution is not provided at present.
Disclosure of Invention
The embodiment of the invention provides an intelligent electric meter, which at least solves the technical problems that the intelligent electric meter in the prior art is low in integration degree and data processing efficiency, and management of user electricity utilization by managers is inconvenient.
According to an aspect of an embodiment of the present invention, there is provided a smart meter including: electric quantity metering device, shunt release, earth-leakage protector and air switch, wherein: the electric quantity metering device is connected with the shunt release and is used for monitoring a first current value of electric equipment and supplying power to the shunt release under the condition that the first current value is monitored to be larger than a preset power-off current threshold; the shunt release is connected with the air switch and is used for tripping under the condition of receiving the power supply voltage of the electric quantity metering device and driving the air switch to trip; the leakage protector is connected with the shunt release and the air switch, and is used for monitoring a second current value of the electric equipment, tripping when the second current value is monitored to be larger than a leakage current threshold value, and respectively driving the air switch and the shunt release to trip.
Further, the intelligent electric meter further comprises a box body, and the electric quantity metering device, the shunt release and the leakage protector are integrally arranged in the box body; and the switch of the shunt release, the switch of the leakage protector, the air switch and the display screen of the intelligent ammeter are exposed out of the box body.
Further, still be provided with the lock body on the surface of above-mentioned box, above-mentioned smart electric meter still is used for the information of unblanking of record above-mentioned lock body, and wherein, above-mentioned information of unblanking includes: legal unlocking information and illegal unlocking information.
Further, the lock body is an electronic lock and is used for executing an unlocking action according to a received unlocking instruction from a preset terminal and executing a locking action according to a received locking instruction from the preset terminal; the electronic lock is further provided with an emergency unlocking device, and the emergency unlocking device is used for unlocking the electronic lock by using a mechanical key.
Further, the smart meter further includes: the communication module, above-mentioned smart electric meter establishes network connection through above-mentioned communication module and above-mentioned terminal of predetermineeing, and the above-mentioned terminal of predetermineeing is arranged in setting up the control parameter among the above-mentioned smart electric meter, and wherein, above-mentioned control parameter includes at least: the power-off current threshold and the leakage current threshold.
Furthermore, the communication module is a first bluetooth communication module, the preset terminal comprises a second bluetooth communication module, and the second bluetooth communication module is in communication connection with the first bluetooth communication module.
Further, the smart meter further includes: a controller connected to the communication module, configured to receive the electricity charge information sent by the preset terminal, and settle electricity consumption data of a target user according to the electricity charge information, where the electricity consumption data includes: electricity consumption and residual electricity.
Further, the switch of the shunt release is connected with the air switch.
Further, the smart meter further includes: and the state detection module is connected with the air switch and used for detecting the opening and closing state of the air switch.
According to another aspect of the embodiments of the present invention, there is also provided a smart meter, including: electric quantity metering device, relay, earth-leakage protector and air switch, wherein: the electric quantity metering device is connected with the relay and used for monitoring a first current value of electric equipment and controlling the relay to trip when the first current value is monitored to be larger than a preset power-off current threshold value; the leakage protector is connected with the air switch and used for monitoring a second current value of the electric equipment, tripping under the condition that the second current value is greater than a leakage current threshold value, and driving the air switch to trip.
Further, the relay is disposed inside the electricity quantity metering device.
Further, the electric quantity metering device is also used for controlling the relay to be electrified under the condition that the first current value is monitored to be smaller than or equal to the power-off current threshold value.
In the embodiment of the invention, a mode of integrating an electric quantity metering device, a shunt release, a leakage protector and an air switch is adopted, the electric quantity metering device is connected with the shunt release and used for monitoring a first current value of electric equipment, and the shunt release is powered on under the condition that the first current value is monitored to be larger than a preset power-off current threshold value; the shunt release is connected with the air switch and is used for tripping under the condition of receiving the power supply voltage of the electric quantity metering device and driving the air switch to trip; above-mentioned earth-leakage protector, with above-mentioned shunt release, above-mentioned air switch is connected, a second current value for monitoring above-mentioned consumer, the tripping operation under the condition that monitors above-mentioned second current value and be greater than the leakage current threshold value, and drive above-mentioned air switch and the tripping operation of above-mentioned shunt release respectively, the mesh that improves smart electric meter's the degree of integrating and the efficiency of handling data has been reached, thereby realized improving the work efficiency that managers administrative user used electricity, reduce managers's working strength's technical effect, and then the efficiency of having solved the smart electric meter among the prior art that integrates degree and processing data is lower, the technical problem of the managers management user electricity of being not convenient for.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a schematic structural diagram of a smart meter according to an embodiment of the invention;
fig. 2 is a flowchart of a method of controlling a smart meter according to an embodiment of the present invention; and
fig. 3 is a schematic structural diagram of an apparatus for controlling a smart meter according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, 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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
First, in order to facilitate the user's understanding of the present invention, some terms or nouns related to the embodiments of the present invention are explained below:
bluetooth (BT), a wireless technology standard, can implement short-distance data exchange between fixed devices, mobile devices and building personal area networks, and uses UHF radio waves in the ISM band of 2.4-2.485 GHz. The bluetooth network used in the present invention may be a variety of networks (e.g., BLE Mesh network), and the protocol standard of bluetooth is not particularly limited (e.g., bluetooth 5.0 protocol).
The following embodiments of the present application may be applied to various environments, such as a home, a factory, an office area, and the like, and the embodiments of the present application are not specifically limited to a specific implementation environment, and optionally, in the embodiments of the present application, an application scenario in which the smart meter is located in a management center is taken as an example for description.
Example 1
According to an embodiment of the present invention, an embodiment of a smart meter is provided, and fig. 1 is a schematic structural diagram of the smart meter according to the embodiment of the present invention, as shown in fig. 1, the smart meter includes: electricity metering device 10, shunt release 12, earth leakage protector 14 and air switch 16, wherein:
the electric quantity metering device 10 is connected with the shunt release 12, and is used for monitoring a first current value of electric equipment and supplying power to the shunt release when the first current value is monitored to be larger than a preset power-off current threshold; the shunt release 12 is connected to the air switch 16, and configured to trip when receiving a supply voltage of the electric quantity metering device, and drive the air switch to trip; the leakage protector 14 is connected to the shunt release 12 and the air switch 16, and is configured to monitor a second current value of the electrical device, trip when the second current value is greater than a leakage current threshold value, and drive the air switch and the shunt release to trip, respectively.
In an alternative embodiment, the electricity metering device 10 may be an electricity metering instrument, an electricity recorder, an electricity metering chip, etc., and may be a metering device for measuring and recording electricity generation, electricity supply (mutual supply), plant electricity consumption, line loss electricity and user electricity consumption. The shunt release 12 is connected to the electricity metering device 10, and optionally, may be mechanically connected to improve the integration degree of the smart meter. The shunt release 12 is an accessory for remotely controlling the shunt brake, and when the power supply voltage is equal to any voltage between 70% and 100% of the rated control power supply voltage, the air switch can be reliably switched off.
In the above-mentioned alternative embodiment, the leakage protector 14 may be used for protecting persons with fatal danger from electric shock when an electric leakage fault occurs, and has overload and short-circuit protection functions, which are also called leakage circuit breaker and leakage switch, wherein the leakage protector 14, the shunt release 12 and the air switch 16 may be mechanically connected to improve the integration degree of the smart meter. The air switch 16 is a switch for realizing the on and off of the intelligent electric meter through air, the air switch is also called an air circuit breaker or an automatic switch, and has the functions of overload, short circuit and undervoltage protection, and the air switch 16 is also mechanically connected with the separation release 12 so as to improve the integration degree of the intelligent electric meter.
It should be noted that the air switch is a switch that automatically turns off as long as the current in the circuit exceeds the rated current, and the leakage protector is an independent electrical appliance, and unlike the air switch, it only plays a role of leakage protection, and needs to be matched with the air switch to realize the comprehensive protection of overload, short circuit, and leakage.
As an alternative embodiment, the first current value may be a power utilization current value of a target user, and the preset power-off current threshold may be flexibly set according to actual situations, and may be, but is not limited to, 5 amperes, 8 amperes, and the like. For example, if the daily electricity consumption and the monthly electricity consumption of the user a are higher than those of the ordinary users due to work or other reasons, the power-off current threshold of the user a can be set to be higher than that of the ordinary users; if the user B is not at home all day long, the daily electricity consumption and the monthly electricity consumption are lower than those of the common users, and the power-off current threshold of the user B can be set to be lower than that of the common users.
When the electric quantity metering device 10 monitors that the first current value is larger than the preset power-off current threshold value, it indicates that the current power-on current value of the target user is too high, and there may be a problem of power-on safety hidden trouble, so that the power-off protection and current limiting functions are realized by supplying power to the shunt release through the electric quantity metering device 10, tripping the shunt release 12 and driving the air switch to trip, and avoiding overload power utilization and dangerous power utilization of the user, or limiting power in a region with insufficient electric energy in a season or time when the electric quantity is used in summer and the like.
In this embodiment of the application, an application program interacting with the smart meter may be installed on a management terminal of the electricity management center, a management terminal of the power supply department, and the like, so that a manager may set the power-off current threshold value through the application program, and may send the power-off current threshold value to the smart meter, for example, a controller of the smart meter.
As another alternative, the second current value may be a leakage current value of the electric device of the target user, and the leakage current threshold value is determined by the circuit of the leakage protector itself and may be a fixed value. When the leakage protector 14 monitors that the second current value is greater than the leakage current threshold value, the air switch and the shunt release are driven to trip respectively, and meanwhile, the state output of the auxiliary switch can be changed, so that power-off protection is realized.
In the embodiment of the invention, a mode of integrating an electric quantity metering device, a shunt release, a leakage protector and an air switch is adopted, the electric quantity metering device is connected with the shunt release and used for monitoring a first current value of electric equipment, and the shunt release is powered on under the condition that the first current value is monitored to be larger than a preset power-off current threshold value; the shunt release is connected with the air switch and is used for tripping under the condition of receiving the power supply voltage of the electric quantity metering device and driving the air switch to trip; above-mentioned earth-leakage protector, with above-mentioned shunt release, above-mentioned air switch is connected, a second current value for monitoring above-mentioned consumer, the tripping operation under the condition that monitors above-mentioned second current value and be greater than the leakage current threshold value, and drive above-mentioned air switch and the tripping operation of above-mentioned shunt release respectively, the mesh that improves smart electric meter's the degree of integrating and the efficiency of handling data has been reached, thereby realized improving the work efficiency that managers administrative user used electricity, reduce managers's working strength's technical effect, and then the efficiency of having solved the smart electric meter among the prior art that integrates degree and processing data is lower, the technical problem of the managers management user electricity of being not convenient for.
In an optional embodiment, the smart meter further includes a box body, and the electric quantity metering device, the shunt release and the leakage protector are integrally arranged in the box body; and the switch of the shunt release, the switch of the leakage protector, the air switch and the display screen of the intelligent ammeter are exposed out of the box body.
In the above optional embodiment, the above electric quantity metering device, the shunt release and the leakage protector are integrally arranged in the box, the integration degree of the smart meter is improved, and in the embodiment of the present application, the switch of the shunt release, the switch of the leakage protector, the air switch, and the display screen of the smart meter expose the outside of the box, that is, on the outer surface of the box of the smart meter, only the switch of the shunt release, the switch of the leakage protector, the air switch, and the display screen of the smart meter are exposed, so that the behaviors of power stealing, short circuit and the like of a user can be effectively prevented, and the exposed switch part can facilitate the user to perform operations such as switching on after the tripping of the smart meter.
In an alternative embodiment, the switch of the shunt release is connected to the switch of the earth leakage protector, the switch of the shunt release is connected to the air switch, and the switch of the earth leakage protector is connected to the air switch.
Optionally, any one of the connections may be a mechanical connection, so as to achieve driving of tripping, for example, a shunt release trips and drives the air switch to trip when receiving the supply voltage of the electric quantity metering device; and the leakage protector trips when monitoring that the second current value is larger than the leakage current threshold value, and respectively drives the air switch and the shunt release to trip.
In an optional embodiment, a lock body is further disposed on an outer surface of the box, and the smart meter is further configured to record unlocking information of the lock body, where the unlocking information includes: legal unlocking information and illegal unlocking information.
In the above optional embodiment, the lock body is an electronic lock, and is configured to execute an unlocking action according to a received unlocking instruction from a preset terminal, and execute a locking action according to a received locking instruction from the preset terminal; the electronic lock is further provided with an emergency unlocking device, and the emergency unlocking device is used for unlocking the electronic lock by using a mechanical key.
As an alternative embodiment, the preset terminal may be a management terminal, for example, a management terminal of an electricity management center. Optionally, the preset terminal sends an unlocking instruction to a controller of the smart electric meter through the communication module, the controller unlocks the lock body under the condition that the unlocking instruction is received, and meanwhile, the unlocking information is recorded as legal unlocking information or illegal unlocking information. And the controller locks the lock body when receiving the locking command.
It should be noted that the unlocking authority of the box of the smart electric meter belongs to a manager, an unlocking option may be set in an application program in a terminal device held by the manager, a specific or preset unlocking key needs to be input, and the unlocking key may be carried in the unlocking instruction.
As another optional embodiment, the preset terminal may also be a user terminal, and an application program of the user terminal can only perform operations such as querying, alarming, and reporting to the cloud, but does not have an unlocking right, so that an electricity stealing behavior can be effectively avoided.
In an optional implementation mode, a motor and a lock catch plate can be further arranged in the box body of the intelligent electric meter, the motor is connected with the controller and the lock catch plate, the controller controls the motor to rotate, the lock catch plate can be driven to move left and right, and then the box body can be opened or closed.
In the above optional embodiment, the emergency unlocking device provided in the electronic lock may be a mechanical lock cylinder, and in an emergency, a manager may unlock the electronic lock by using a mechanical key.
In an optional embodiment, the smart meter further includes: the communication module, above-mentioned smart electric meter establishes network connection through above-mentioned communication module and above-mentioned terminal of predetermineeing, and the above-mentioned terminal of predetermineeing is arranged in setting up the control parameter among the above-mentioned smart electric meter, and wherein, above-mentioned control parameter includes at least: the power-off current threshold and the leakage current threshold.
In the optional embodiment, the communication module is a first bluetooth communication module, the default terminal includes a second bluetooth communication module, the second bluetooth communication module is in communication connection with the first bluetooth communication module, and the smart meter can establish a network connection with the default terminal.
It should be noted that, by setting the leakage current threshold to be greater than or equal to the power-off current threshold, the power-off protection of the air switch and the leakage protector can be distinguished from each other, so as to improve the intelligence degree of the smart meter.
In an optional embodiment, above-mentioned communication module can be through predetermineeing terminal and high in the clouds communication, and, smart electric meter need not to keep communicating with the high in the clouds, smart electric meter only need be awaken up the back, with electric quantity data transmission for the terminal can, can transmit electric quantity data through the bluetooth communication module of low-power consumption in this application embodiment, the low-power consumption, and smart electric meter is stable with being connected at the terminal, the data accuracy of transmission can be better, data transmission also can be accurate, the interference that receives can be few, then terminal equipment can be served the storage cloud with electric quantity data transmission, guarantee data transmission's stability, consequently, can reduce cost, save the electric quantity, not influenced by environmental factor etc.
In addition, as an optional embodiment, the smart meter in the embodiment of the present application further includes: awakening module, before awakening the smart electric meter, the smart electric meter can receive awakening signal, wherein awakening signal is the awakening signal generated after detecting pressing operation or touch screen operation on the smart electric meter, and the awakening signal is used for awakening the first Bluetooth communication module to transmit electric quantity data. The user can press the button that sets up on smart electric meter or press the switch that sets up on smart electric meter promptly to awaken up first bluetooth communication module, thereby let first bluetooth module communication work, this first bluetooth communication module is at the during operation, and in order to reduce the energy consumption, self need not initiatively transmit data, and first bluetooth communication module can be passive with electric quantity data transmission to the terminal on receiving awakening signal.
And, awaken the module and awaken up between the smart electric meter at the smart electric meter, communication module in the smart electric meter is in the dormancy state, and not communication state promptly, when awakening up the smart electric meter, what mainly awaken up is communication module in the smart electric meter to realize the transmission of electric quantity data. Optionally, in this embodiment of the application, the user directly operates the communication switch or the communication button installed on the smart meter, that is, the smart meter may be wakened up.
In an optional embodiment, the smart meter further includes: a controller connected to the communication module, configured to receive the electricity charge information sent by the preset terminal, and settle electricity consumption data of a target user according to the electricity charge information, where the electricity consumption data includes: electricity consumption and residual electricity.
Optionally, after the target user pays for money to the power supply department to purchase electricity, a manager of the power supply department writes the electricity fee information into a controller in the smart meter through a preset terminal, so that the smart meter settles electricity consumption data such as electricity consumption, residual electricity and the like of the target user according to the electricity fee information.
In another optional embodiment, the power consumption data may further include: and reading back data such as total electric quantity, residual electric quantity, accumulated purchase electric quantity in the meter and the like.
In an optional embodiment, the smart meter further includes: the display screen is connected with the controller and used for displaying the electricity consumption data and the electricity charge information of the target user.
Optionally, the display screen may be a touch display screen, but is not limited to the touch display screen, and may receive a control instruction sent to the controller by a target user through a preset terminal, and display information such as a user power consumption, a user pre-stored electricity fee, a remaining electricity amount, and the like according to the control instruction, and the display screen may also be used to display prompt information, warning information, and other related information.
In an optional embodiment, the smart meter further includes: and the state detection module is connected with the air switch and used for detecting the opening and closing state of the air switch. Optionally, the state detection module can also feed back the detected opening and closing state of the air switch to the preset terminal, so that the preset terminal can control and manage the intelligent electric meter.
It should be noted that the specific structure of the smart meter shown in fig. 1 in this application is only an illustration, and in a specific application, the smart meter in this application may have more or less structures than the smart meter shown in fig. 1.
Example 2
According to an embodiment of the present invention, there is also provided an embodiment of a smart meter, where the smart meter includes: electric quantity metering device, relay, earth-leakage protector and air switch, wherein:
the electric quantity metering device is connected with the relay and used for monitoring a first current value of electric equipment and controlling the relay to trip when the first current value is monitored to be larger than a preset power-off current threshold value; the leakage protector is connected with the air switch and used for monitoring a second current value of the electric equipment, tripping under the condition that the second current value is greater than a leakage current threshold value, and driving the air switch to trip.
In an optional embodiment, the relay is disposed inside the electricity metering device.
Optionally, the relay is an electric control device, and is generally applied to an automatic control circuit, and is an "automatic switch" which uses a small current to control a large current to operate, and plays roles of automatic adjustment, safety protection, circuit switching and the like in the circuit.
In an alternative embodiment, the electric quantity metering device may be an electric quantity metering instrument, an electric quantity recorder, an electric quantity metering chip, or the like, and may be a metering device for measuring and recording generated energy, supplied (or mutually supplied) electric quantity, plant power consumption, line loss electric quantity, and user power consumption.
In the above optional embodiment, the leakage protector may be used for protecting a person who has a fatal risk from electric shock when an electric leakage fault occurs, and has overload and short-circuit protection functions, which are also called as a leakage breaker and a leakage switch, wherein the leakage protector and the air switch may be mechanically connected to improve the integration degree of the smart meter. The air switch is a switch for realizing the on and off of the intelligent electric meter through air, is also called as an air circuit breaker or an automatic switch, has the functions of overload, short circuit and under-voltage protection, and can be mechanically connected with the leakage protector so as to improve the integration degree of the intelligent electric meter.
It should be noted that the air switch is a switch that automatically turns off as long as the current in the circuit exceeds the rated current, and the leakage protector is an independent electrical appliance, and unlike the air switch, it only plays a role of leakage protection, and needs to be matched with the air switch to realize the comprehensive protection of overload, short circuit, and leakage.
As an alternative embodiment, the first current value may be a power utilization current value of a target user, and the preset power-off current threshold may be flexibly set according to actual situations, and may be, but is not limited to, 5 amperes, 8 amperes, and the like. For example, if the daily electricity consumption and the monthly electricity consumption of the user a are higher than those of the ordinary users due to work or other reasons, the power-off current threshold of the user a can be set to be higher than that of the ordinary users; if the user B is not at home all day long, the daily electricity consumption and the monthly electricity consumption are lower than those of the common users, and the power-off current threshold of the user B can be set to be lower than that of the common users.
When the electric quantity metering device monitors that the first current value is larger than the preset power-off current threshold value, the situation shows that the current power utilization current value of the current target user is too high, and the problem of potential safety hazards of power utilization possibly exists, so that the relay is controlled to trip, the functions of power-off protection, current limiting and the like are realized, overload power utilization and dangerous power utilization of the user are avoided, or the electricity is limited in a region with insufficient electric energy in a season or time with larger electric quantity use such as summer.
In this embodiment of the application, an application program interacting with the smart meter may be installed on a management terminal of the electricity management center, a management terminal of the power supply department, and the like, so that a manager may set the power-off current threshold value through the application program, and may send the power-off current threshold value to the smart meter, for example, a controller of the smart meter.
As another alternative, the second current value may be a leakage current value of the electric device of the target user, and the leakage current threshold value is determined by the circuit of the leakage protector itself and may be a fixed value. And when the leakage protector monitors that the second current value is larger than the leakage current threshold value, the air switch is driven to trip, and meanwhile, the state output of the auxiliary switch can be changed, so that power-off protection is realized.
In an optional embodiment, the electric quantity metering device is further configured to control the relay to be powered on when it is monitored that the first current value is smaller than or equal to the power-off current threshold value.
The method for controlling the relay to be electrified can be that the intelligent electric meter automatically controls the relay to be electrified, or the intelligent electric meter can also control the relay to be electrified according to an electrifying instruction when the intelligent electric meter receives the electrifying instruction from a preset terminal (for example, the electrifying instruction sent by an application program APP in the preset terminal).
In addition, it should be noted that, for alternative or preferred embodiments of the present embodiment, reference may be made to the relevant description in embodiment 1, and details are not described herein again.
Example 3
In accordance with an embodiment of the present invention, there is provided an embodiment of a method for controlling a smart meter, wherein the steps illustrated in the flowchart of the drawings may be performed in a computer system, such as a set of computer executable instructions, and wherein, although a logical order is illustrated in the flowchart, in some cases, the steps illustrated or described may be performed in an order different than that illustrated herein.
It should be noted that the smart meter includes: fig. 2 is a flowchart of a method for controlling a smart meter according to an embodiment of the present invention, and as shown in fig. 2, the method includes the following steps:
step S102, monitoring a first current value of electric equipment through an electric quantity metering device;
step S104, controlling the electric quantity metering device to supply power to the shunt release under the condition that the first current value is monitored to be larger than a preset power-off current threshold value, and tripping the shunt release under the condition that the shunt release receives the power supply voltage of the electric quantity metering device and driving the air switch to trip; and/or the presence of a gas in the gas,
step S106, monitoring a second current value of the electric equipment through the leakage protector;
and step S108, controlling the leakage protector to trip and driving the air switch and the shunt release to trip under the condition that the second current value is monitored to be larger than the leakage current threshold value.
In an alternative embodiment, the electric quantity metering device may be an electric quantity metering instrument, an electric quantity recorder, an electric quantity metering chip, or the like, and may be a metering device for measuring and recording generated energy, supplied (or mutually supplied) electric quantity, plant power consumption, line loss electric quantity, and user power consumption. The shunt release is connected with the electric quantity metering device, and the shunt release can be selected and can be in mechanical connection, so that the integration degree of the intelligent electric meter is improved. The shunt release is an accessory for remotely controlling the shunt brake, and when the power supply voltage is equal to any voltage between 70% and 100% of the rated control power supply voltage, the air switch can be reliably switched off.
In the above optional embodiment, the leakage protector may be used for protecting a person who has a fatal risk from an electrical shock when an electrical leakage fault occurs, and has overload and short-circuit protection functions, which are also called as a leakage breaker and a leakage switch, wherein the leakage protector may be mechanically connected to the shunt release and the air switch, so as to improve the integration degree of the smart meter. The air switch is a switch for realizing the on and off of the intelligent electric meter through air, is also called as an air circuit breaker or an automatic switch, has the functions of overload, short circuit and under-voltage protection, and is mechanically connected with the separation release so as to improve the integration degree of the intelligent electric meter.
It should be noted that the air switch is a switch that automatically turns off as long as the current in the circuit exceeds the rated current, and the leakage protector is an independent electrical appliance, and unlike the air switch, it only plays a role of leakage protection, and needs to be matched with the air switch to realize the comprehensive protection of overload, short circuit, and leakage.
As an alternative embodiment, the first current value may be a power utilization current value of a target user, and the preset power-off current threshold may be flexibly set according to actual situations, and may be, but is not limited to, 5 amperes, 8 amperes, and the like. For example, if the daily electricity consumption and the monthly electricity consumption of the user a are higher than those of the ordinary users due to work or other reasons, the power-off current threshold of the user a can be set to be higher than that of the ordinary users; if the user B is not at home all day long, the daily electricity consumption and the monthly electricity consumption are lower than those of the common users, and the power-off current threshold of the user B can be set to be lower than that of the common users.
In this embodiment of the application, an application program interacting with the smart meter may be installed on a management terminal of the electricity management center, a management terminal of the power supply department, and the like, so that a manager may set the power-off current threshold value through the application program, and may send the power-off current threshold value to the smart meter, for example, a controller of the smart meter.
When the electric quantity metering device monitors that the first current value is larger than the preset power-off current threshold value, the situation that the current power-on current value of a target user is too high and the problem of potential power-on safety hazards possibly exists is shown, so that the shunt release can be powered through the electric quantity metering device, the shunt release trips and drives the air switch to trip, the functions of power-off protection, current limiting and the like are realized, and overload power utilization and dangerous power utilization of the user are avoided.
As another alternative, the second current value may be a leakage current value of the electric device of the target user, and the leakage current threshold value is determined by the circuit of the leakage protector itself and may be a fixed value. And when the leakage protector monitors that the second current value is larger than the leakage current threshold value, the leakage protector trips and respectively drives the air switch and the shunt release to trip, and meanwhile, the state output of the auxiliary switch can be changed, so that power-off protection is realized.
In the embodiment of the invention, a mode of integrating an electric quantity metering device, a shunt release, a leakage protector and an air switch is adopted, the electric quantity metering device is connected with the shunt release and used for monitoring a first current value of electric equipment, and the shunt release is powered on under the condition that the first current value is monitored to be larger than a preset power-off current threshold value; the shunt release is connected with the air switch and is used for tripping under the condition of receiving the power supply voltage of the electric quantity metering device and driving the air switch to trip; above-mentioned earth-leakage protector, with above-mentioned shunt release, above-mentioned air switch is connected, a second current value for monitoring above-mentioned consumer, the tripping operation under the condition that monitors above-mentioned second current value and be greater than the leakage current threshold value, and drive above-mentioned air switch and the tripping operation of above-mentioned shunt release respectively, the mesh that improves smart electric meter's the degree of integrating and the efficiency of handling data has been reached, thereby realized improving the work efficiency that managers administrative user used electricity, reduce managers's working strength's technical effect, and then the efficiency of having solved the smart electric meter among the prior art that integrates degree and processing data is lower, the technical problem of the managers management user electricity of being not convenient for.
It should be noted that the execution steps of steps S102 to S104 and steps S106 to S108 are not limited to those shown in fig. 2, and may be independent execution schemes, or steps S106 to S108 may be executed first, and then steps S102 to S104 are executed.
Any one of the optional or preferred methods for controlling the smart meter in the embodiments of the present application may be implemented or realized in the smart meters provided in embodiments 1 and 2 described above.
In addition, it should be noted that, for alternative or preferred embodiments of the present embodiment, reference may be made to the relevant description in embodiment 1, and details are not described herein again.
Example 4
According to an embodiment of the present invention, there is also provided an apparatus for implementing the method for controlling a smart meter, fig. 3 is a schematic structural diagram of an apparatus for controlling a smart meter according to an embodiment of the present invention, and as shown in fig. 3, the apparatus for controlling a smart meter includes: a first monitoring module 30, a first control module 32, a second monitoring module 34, and a second control module 36, wherein:
the first monitoring module 30 is configured to monitor a first current value of the electrical equipment through the electricity metering device; the first control module 32 is configured to control the electrical quantity metering device to supply power to the shunt release when it is monitored that the first current value is greater than a preset power-off current threshold value, and the shunt release trips when receiving a power supply voltage of the electrical quantity metering device and drives the air switch to trip; and the second control module 36 is used for controlling the tripping of the leakage protector and driving the air switch and the shunt release to trip under the condition that the monitored second current value is greater than the leakage current threshold value.
It should be noted that the above modules may be implemented by software or hardware, for example, for the latter, the following may be implemented: the modules can be located in the same processor; alternatively, the modules may be located in different processors in any combination.
It should be noted that the first monitoring module 30, the first control module 32, the second monitoring module 34, and the second control module 36 correspond to steps S102 to S108 in embodiment 3, and the modules are the same as the corresponding steps in the implementation example and application scenario, but are not limited to the disclosure in embodiment 3. It should be noted that the modules described above may be implemented in a computer terminal as part of an apparatus.
It should be noted that, reference may be made to the relevant descriptions in embodiments 1, 2 and 3 for alternative or preferred embodiments of this embodiment, and details are not described here again.
The device for controlling the smart meter may further include a processor and a memory, where the first monitoring module 30, the first control module 32, the second monitoring module 34, the second control module 36, and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to implement corresponding functions.
The processor comprises a kernel, and the kernel calls a corresponding program unit from the memory, wherein one or more than one kernel can be arranged. The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
According to the embodiment of the application, the embodiment of the storage medium is also provided. Optionally, in this embodiment, the storage medium includes a stored program, and when the program runs, the device on which the storage medium is located is controlled to execute any one of the methods for controlling the smart meter.
Optionally, in this embodiment, the storage medium may be located in any one of a group of computer terminals in a computer network, or in any one of a group of mobile terminals, and the storage medium includes a stored program.
Optionally, the program controls the device on which the storage medium is located to perform the following functions when running: monitoring a first current value of the electric equipment through the electric quantity metering device; under the condition that the first current value is monitored to be larger than a preset power-off current threshold value, controlling the electric quantity metering device to supply power to the shunt release, and tripping the shunt release under the condition that the shunt release receives the power supply voltage of the electric quantity metering device and driving the air switch to trip; and controlling the leakage protector to trip and driving the air switch and the shunt release to trip under the condition that the monitored second current value is greater than a leakage current threshold value.
According to the embodiment of the application, the embodiment of the processor is also provided. Optionally, in this embodiment, the processor is configured to execute a program, where the program executes any one of the above methods for controlling a smart meter when running.
The embodiment of the application provides equipment, the equipment comprises a processor, a memory and a program which is stored on the memory and can run on the processor, and the following steps are realized when the processor executes the program: monitoring a first current value of the electric equipment through the electric quantity metering device; under the condition that the first current value is monitored to be larger than a preset power-off current threshold value, controlling the electric quantity metering device to supply power to the shunt release, and tripping the shunt release under the condition that the shunt release receives the power supply voltage of the electric quantity metering device and driving the air switch to trip; and controlling the leakage protector to trip and driving the air switch and the shunt release to trip under the condition that the monitored second current value is greater than a leakage current threshold value.
The present application further provides a computer program product adapted to perform a program for initializing the following method steps when executed on a data processing device: monitoring a first current value of the electric equipment through the electric quantity metering device; under the condition that the first current value is monitored to be larger than a preset power-off current threshold value, controlling the electric quantity metering device to supply power to the shunt release, and tripping the shunt release under the condition that the shunt release receives the power supply voltage of the electric quantity metering device and driving the air switch to trip; and controlling the leakage protector to trip and driving the air switch and the shunt release to trip under the condition that the monitored second current value is greater than a leakage current threshold value.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (11)

1. A smart meter, comprising: electric quantity metering device, shunt release, earth-leakage protector and air switch, wherein:
the electric quantity metering device is connected with the shunt release and is used for monitoring a first current value of electric equipment and supplying power to the shunt release under the condition that the first current value is monitored to be larger than a preset power-off current threshold;
the shunt release is connected with the air switch and is used for tripping under the condition of receiving the power supply voltage of the electric quantity metering device and driving the air switch to trip;
the leakage protector is connected with the shunt release and the air switch, and is used for monitoring a second current value of the electric equipment, tripping when the second current value is monitored to be larger than a leakage current threshold value, and respectively driving the air switch and the shunt release to trip;
the power-off current threshold value can be set according to daily electricity consumption and monthly electricity consumption of target users, and the power-off current threshold values of different target users can be different.
2. The smart meter according to claim 1, further comprising a box body, wherein the electricity metering device, the shunt release and the leakage protector are integrally arranged in the box body; and is
And the wiring part of the intelligent electric meter is arranged in the box body.
3. The smart meter of claim 2, wherein a lock body is further disposed on an outer surface of the box body, and the smart meter is further configured to record unlocking information of the lock body, wherein the unlocking information includes: legal unlocking information and illegal unlocking information.
4. The smart meter of claim 3, wherein the lock body is an electronic lock, and is configured to perform an unlocking action according to an unlocking instruction received from a preset terminal, and perform a locking action according to a locking instruction received from the preset terminal; the electronic lock is further provided with an emergency unlocking device, and the emergency unlocking device is used for unlocking the electronic lock by using a mechanical key.
5. The smart meter of claim 4, further comprising:
the intelligent electric meter comprises a communication module, the intelligent electric meter is connected with a preset terminal through the communication module, the preset terminal is used for setting control parameters in the intelligent electric meter, wherein the control parameters at least comprise: the power-off current threshold value and the leakage current threshold value.
6. The smart meter of claim 5, wherein the communication module is a first bluetooth communication module, the default terminal comprises a second bluetooth communication module, and the second bluetooth communication module is in communication connection with the first bluetooth communication module.
7. The smart meter of claim 5, further comprising:
the controller is connected with the communication module and used for receiving the electric charge information sent by the preset terminal and settling the electricity consumption data of the target user according to the electric charge information, wherein the electricity consumption data comprise: electricity consumption and residual electricity.
8. The smart meter of any one of claims 1 to 7, wherein the switch of the shunt release is connected to the air switch.
9. The smart meter of any one of claims 1 to 7, further comprising:
and the state detection module is connected with the air switch and used for detecting the opening and closing state of the air switch.
10. A smart meter, comprising: electric quantity metering device, relay, earth-leakage protector and air switch, wherein:
the electric quantity metering device is connected with the relay and used for monitoring a first current value of electric equipment, controlling the relay to trip when the first current value is monitored to be larger than a preset power-off current threshold value, and controlling the relay to be electrified when the first current value is monitored to be smaller than or equal to the power-off current threshold value;
the leakage protector is connected with the air switch and used for monitoring a second current value of the electric equipment, tripping under the condition that the second current value is greater than a leakage current threshold value and driving the air switch to trip;
the power-off current threshold value can be set according to daily electricity consumption and monthly electricity consumption of target users, and the power-off current threshold values of different target users can be different.
11. The smart meter of claim 10, wherein the relay is disposed within the fuel gauge.
CN201811085956.0A 2018-09-18 2018-09-18 Intelligent electric meter Active CN109470902B (en)

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Patentee before: ZHUHAI UTAIOT TECHNOLOGY Co.,Ltd.