CN216979159U - Single-phase suspension type multifunctional electric energy meter based on WI-FINE & Bluetooth - Google Patents
Single-phase suspension type multifunctional electric energy meter based on WI-FINE & Bluetooth Download PDFInfo
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- CN216979159U CN216979159U CN202122628083.7U CN202122628083U CN216979159U CN 216979159 U CN216979159 U CN 216979159U CN 202122628083 U CN202122628083 U CN 202122628083U CN 216979159 U CN216979159 U CN 216979159U
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Abstract
The utility model provides a single-phase suspension type multifunctional electric energy meter based on WI-FINE & Bluetooth, and belongs to the technical field of electric energy metering. The utility model provides a single-phase suspension type multifunctional electric energy meter based on WI-FINE & bluetooth includes power supply circuit and master control MCU, master control MCU is connected with the WI-FINE & bluetooth communication circuit that is used for data interaction between concentrator and the ammeter, still is connected with the detection circuitry who is used for preventing to steal the electricity. Compared with the traditional prepayment electric energy meter, the prepayment electric energy meter is more advanced, convenient and simple, the communication mode and the safe encryption mechanism based on the WI-FINE & Bluetooth guarantee the perfect realization of the prepayment function, and the prepayment electric energy meter brings more convenient use and simpler installation for users.
Description
Technical Field
The utility model belongs to the technical field of electric energy metering, and particularly relates to a single-phase suspension type multifunctional electric energy meter based on WI-FINE & Bluetooth.
Background
With the rapid development of economy in China and the increasing improvement of the living standard of people, the demands of various leasing industries and places such as industry, housing, schools, markets and the like on electricity charge management and real-time electricity monitoring are larger and larger, particularly, the problem of difficult charge can be solved by the function of pre-charging the electricity charge, the friction between two leasing parties is reduced, and the method is favored by vast tenants. The prepayment electric energy meter in the current market is mainly an intelligent IC card meter, and the existing electric energy meter has the defects that an electricity selling system, a card reader and an IC card are required to be used as data carriers, so that the operation is complicated and the price is high; and is easy to lose due to the use of physical media; in addition, the current social network payment is developed, and the existing prepayment electric energy meter cannot keep up with the development of modern intellectualization.
Disclosure of Invention
The utility model aims to solve the problems, and provides a single-phase suspension type multifunctional electric energy meter based on WI-FINE & Bluetooth, which can ensure the realization of a prepayment function more conveniently and simply through a communication mode of WI-FINE & Bluetooth, and is convenient for users to use and install.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a single-phase suspension type multifunctional electric energy meter based on WI-FINE & bluetooth, includes power supply circuit and master control MCU, master control MCU is connected with the WI-FINE & bluetooth communication circuit that is used for data interaction between concentrator and the ammeter, still is connected with the detection circuitry who is used for preventing to steal the electricity. According to the utility model, through WI-FINE & Bluetooth communication, single-phase power measurement, data transmission, power support, load control and the like can be realized; data interaction between the concentrator and the electric meter can be realized through the WI-FINE & Bluetooth circuit, and real-time information of electric power can be copied and read.
Furthermore, the power supply circuit comprises a resistance-capacitance voltage reduction circuit and an AC-DC circuit which are sequentially connected with an external power supply; and the output voltage of the power supply circuit is connected with the master control MCU and outputs direct current voltage to a low-voltage input pin of the master control MCU.
Further, the master control MCU comprises a single-phase electric energy metering SoC chip, and the master control MCU is connected with an 80A magnetic latching relay. The main control MCU adopts a low-power-consumption and high-performance single-phase electric energy metering SoC chip, and performs data calculation and electric quantity analysis on single-phase metering parameters through the main control MCU, so that electric energy data and other electric energy information can be obtained; when the power load reaches a preset threshold value or the recharging electric quantity is used up, the relay automatically breaks off and stops supplying power.
Furthermore, the single-phase suspension type multifunctional electric energy meter further comprises a metering and storing circuit connected with the main control MCU, and the metering and storing circuit comprises a metering circuit connected with the electric power sampling and a data storing module used for data storage.
Furthermore, the single-phase suspension type multifunctional electric energy meter further comprises an LCD display circuit and a numeric keyboard which are connected with the main control MCU, and the numeric keyboard comprises keys which are correspondingly connected with the LCD display circuit. The utility model can make LCD display the electricity information and real-time power data of the electric energy meter by inputting the corresponding digital short code, and can also configure the parameters of the electric energy meter through the specific short code.
Further, the keys include ten number keys 0 to 9, a delete key, and a confirm key. The numeric keyboard of the utility model can be used for inquiring information and can also be manually charged by inputting the charging code.
Furthermore, the master control MCU is also connected with an infrared communication module for short-distance parameter setting and electric power data reading.
Further, single-phase suspension type multifunctional electric energy meter is provided with alarm device, alarm device includes bee calling organ and pilot lamp by master control MCU control connection.
Further, the detection circuit comprises an uncovering detection circuit and a magnetic field detection circuit, and the magnetic field detection circuit comprises current unbalance detection and zero falling detection. The electric energy meter has a detection function and can prevent electricity stealing.
Compared with the prior art, the utility model has the advantages that:
1. compared with the traditional prepayment electric energy meter, the single-phase suspension type multifunctional electric energy meter based on the WI-FINE & Bluetooth is more advanced, convenient and simple, the perfect realization of the prepayment function is ensured based on the communication mode and the safe encryption mechanism of the WI-FINE & Bluetooth, and more convenient use and simpler installation are brought to users;
2. the utility model uses WI-FINE communication to support free networking, routing and relay functions, has large network coverage and long communication distance, can transmit between nodes, is more convenient to read by a concentrator, and has longer and more reliable communication distance;
3. the Bluetooth communication can be connected with a mobile phone APP, remote control and reading of real-time power monitoring data are realized through a website, the mobile phone APP and other ways, basic parameters of the electric energy meter are inquired, and when a network or a server is abnormal, local recharging can be performed on the electric energy meter in a Bluetooth communication mode;
4. the electric energy meter can work normally under the condition of no network, and can inquire and recharge off-line data through a local keyboard.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a block diagram of a single-phase suspension type multifunctional electric energy meter based on WI-FINE & Bluetooth according to the present invention;
FIG. 2 is a circuit schematic of the power circuit of the present invention;
FIG. 3 is a schematic circuit diagram of a master MCU of the present invention;
FIG. 4 is a circuit schematic of the metering and storage circuit of the present invention;
FIG. 5 is a schematic circuit diagram of an LCD display circuit according to the present invention;
FIG. 6 is a schematic circuit diagram of the Bluetooth & WI-FINE communication circuit of the present invention;
FIG. 7 is a schematic circuit diagram of the buzzer and relay drive and infrared communications circuitry of the present invention;
FIG. 8 is a circuit schematic of the detection circuit of the present invention;
fig. 9 is a block diagram of a single-phase suspended multifunctional electric energy meter system based on WI-FINE & bluetooth in embodiment 2 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 accompanying drawings.
Example 1
As shown in fig. 1, the single-phase suspended multifunctional electric energy meter based on WI-FINE and bluetooth of the present embodiment includes a power circuit and a master control MCU, the master control MCU is connected with a WI-FINE and bluetooth communication circuit for data interaction between a concentrator and an electric energy meter, and further connected with a detection circuit for preventing electricity stealing. In the embodiment, through WI-FINE & Bluetooth communication, single-phase power measurement, data transmission, power support, load control and the like can be realized; data interaction between the concentrator and the electric meter can be realized through the WI-FINE & Bluetooth circuit, and real-time information of electric power can also be copied and read.
As shown in fig. 2, the power supply circuit of the present embodiment includes a resistance-capacitance voltage step-down circuit and an AC-DC circuit, which are sequentially connected to an external power supply; and the output voltage of the power supply circuit is connected with the master control MCU and outputs direct current voltage to a low-voltage input pin of the master control MCU.
As shown in fig. 3, the main control MCU of this embodiment includes a single-phase electric energy measurement SoC chip, and the main control MCU is connected with an 80A magnetic latching relay. The main control MCU of the embodiment adopts a low-power-consumption and high-performance single-phase electric energy metering SoC chip, and performs data calculation and electric quantity analysis on single-phase metering parameters through the main control MCU to obtain electric energy data and other electric energy information; when the electric load reaches a preset threshold value (overvoltage, undervoltage and power) or the recharge electric quantity is used up, the relay automatically breaks off and stops supplying power.
As shown in fig. 4, the single-phase suspended multifunctional electric energy meter of the present embodiment further includes a metering and storing circuit connected to the main control MCU, where the metering and storing circuit includes a metering circuit connected to the electric power sampling and a data storing module for storing data.
As shown in fig. 5, the single-phase suspension type multifunctional electric energy meter of the embodiment further includes an LCD display circuit and a numeric keypad connected to the main control MCU, where the numeric keypad includes keys correspondingly connected to the LCD display circuit. The keys of the present embodiment include ten number keys 0 to 9, a delete key, and a confirm key. The corresponding digital short codes are input in the embodiment, so that the LCD can display the electricity utilization information and the real-time power data of the electric energy meter; besides displaying basic information, parameters of the electric meter can be configured through specific short codes. The numeric keyboard of the embodiment can be used for inquiring information and can also be manually charged by inputting the charging code.
As shown in fig. 6, a WI-FINE & bluetooth communication circuit and an infrared communication module are disposed inside the single-phase suspension type multifunctional electric energy meter of this embodiment, where the WI-FINE & bluetooth communication circuit can implement data interaction between the concentrator and the electric energy meter, and read real-time electric power information. WI-FINE communication can realize long-range reading, control and add functions such as money through carrying out the communication between concentrator and the server platform, and the bluetooth communication can be connected with cell-phone APP, can inquire the basic parameter of electric energy meter, and when network or server are unusual, also can locally add money to the electric energy meter through the mode of bluetooth communication. The infrared communication module is also connected with the main control MCU and is mainly applied to close-range parameter setting and electric power data reading. And the WI-FINE and the infrared function in communication can also support firmware upgrading of the electric energy meter.
As shown in fig. 7, the single-phase hanging type multifunctional electric energy meter of the present embodiment is provided with an alarm device, and the alarm device comprises a buzzer and an indicator light which are controlled and connected by a main control MCU.
As shown in fig. 8, the detection circuit of the present embodiment includes a decap detection circuit and a magnetic field detection circuit, and the magnetic field detection circuit includes current imbalance detection and drop zero detection. This embodiment electric energy meter has the detection function, detects including uncapping, the unbalanced current detects and falls zero detection, has the function of uncapping jump relay, can prevent to steal the electricity.
The single-phase suspension type multifunctional electric energy meter based on WI-FINE & Bluetooth can realize electric energy metering, data transmission, prepayment recharging, load control, zero drop metering and the like through mutual assistance among all circuits and modules. The specific principle is that a current voltage signal is acquired through a single-phase electric energy metering SoC chip, parameters such as real-time current, voltage, power factor and the like are obtained, then corresponding electric quantity is calculated, compared with residual electric quantity and deducted, and the residual electric quantity is stored in a data storage module. When the residual electric quantity in the electric energy meter is insufficient, the LED can give an alarm to prompt a user to charge in time. When the residual electric quantity is exhausted, the internal magnetic latching relay is switched off, the power supply is stopped for the user, and the power supply is recovered after the power supply is recharged. The single-phase suspension type multifunctional electric energy meter has the function of preventing electricity stealing, and is characterized in that besides traditional uncovering detection, two paths of zero line and live line current detection, namely double-loop detection, can be judged to be electricity stealing when the currents of the zero line and the live line are inconsistent and reach a certain range, the relay can be disconnected, and the metering channel can select a channel with larger current as the metering channel, wherein the inconsistent currents of the zero line and the live line and the certain range can be set according to actual conditions. Except that two return circuits detect, single-phase suspension type multifunctional electric energy meter still has and falls zero detection, only exists the electric current on zero line or the live wire, and the electric energy meter just can measure, can prevent the action of lawless persons' electricity stealing.
The single-phase suspension type multifunctional electric energy meter can also be provided with IR communication, and has all functions in WI-FINE & Bluetooth communication through the IR communication. The purpose of adding the IR communication is to inquire about the cause of the abnormality when the WI-FINE & bluetooth communication is abnormal, and the IR communication may output debugging information of WI-FINE & bluetooth.
Example 2
As shown in fig. 9, the present embodiment provides a single-phase suspended multifunctional electric energy meter system based on WI-FINE & bluetooth, which includes the single-phase suspended multifunctional electric energy meter based on WI-FINE & bluetooth of embodiment 1, a server platform communicatively connected to the single-phase suspended multifunctional electric energy meter, a concentrator, and external applications, where the external applications include a web page, a mobile phone APP, and an applet. The single-phase suspension type multifunctional electric energy meter system based on WI-FINE & Bluetooth can obtain the electric power parameters reported by the single-phase suspension type multifunctional electric energy meter and store the electric power parameters into the database, so that a user can conveniently read historical data and analyze electricity utilization data, the single-phase suspension type multifunctional electric energy meter system has efficient task processing capacity, and can process a large number of users to submit tasks at the same time.
The single-phase suspension type multifunctional electric energy meter system can be combined with a server platform, a concentrator and relevant applications, and the electric energy meter can be managed through a webpage, a mobile phone APP and a small program. Can set up the low-battery early warning value of electric energy meter on the multi-functional electric energy meter system of single-phase suspension type, when the residual capacity in the electric energy meter is less than this value, instruct through different colours, also can inform the user in time to supplement with money through webpage, cell-phone APP little procedure and SMS. The mobile phone APP applet has a Bluetooth function, and basic information of the electric energy meter can be inquired and troubleshooting can be carried out through local Bluetooth connection.
The connection can be established with mobile phone Bluetooth to the local bluetooth function of single-phase suspension type multifunctional electric energy meter in the single-phase suspension type multifunctional electric energy meter system, monitors the electric power data of electric energy meter and carries out parameter setting through cell-phone APP. When the network and the server are abnormal, recharging and self-checking can be performed through the Bluetooth communication function. The single-phase suspension type multifunctional electric energy meter system can inquire the electricity utilization information of each electric energy meter, including total electricity utilization quantity, residual electricity quantity, real-time current and voltage, power factors and the like, and can also provide historical data for inquiry, so that a user can conveniently obtain the electricity utilization information.
The working process of the single-phase suspension type multifunctional electric energy meter system of the embodiment is as follows: after the electric energy meter acquires the electricity utilization information, the information is integrated, and the concentrator transmits the data of the electric energy meter to the server platform by utilizing WI-FINE communication; the server forwards the information to the user mobile phone APP or the webpage, the platform analyzes the data, and meanwhile the information is sent to the cloud server through the plug-in. Corresponding data can be stored in the platform and the cloud server, and the data backup function can be achieved. The user can also use the local Bluetooth function to acquire the information of the electric energy meter and perform abnormal troubleshooting. When the user needs to control the electric energy meter, the server sends a control instruction, the control instruction is issued to the electric energy meter through the Bluetooth communication circuit, and the electric energy meter makes corresponding action after receiving the control instruction.
The single-phase suspension type multifunctional electric energy meter adopts WI-FINE & Bluetooth communication to perform data interaction with the concentrator, and the platform can check real-time electric power monitoring data and setting parameters of the electric energy meter through the concentrator, wherein the parameters comprise residual electric quantity, real-time parameters, opening and closing of a control relay, setting of a power threshold and the like. The settings of these parameters are sent to the power meter in the form of an encrypted 20-bit data token. The electric energy meter receives and decrypts the data, the encryption and decryption in the process adopt IEC62055-41 standard, and the safety is extremely high. The prepaid electric energy meter has extremely high requirements on data security, so the present embodiment adopts an STS encryption mode (based on IEC62055-41 standard), and uses 20-bit numbers as tokens to transmit information data, thereby having safe and reliable technology. Meanwhile, the important data in the electric energy meter is stored by adopting a double backup mechanism, and the data is stored by adopting a tape check mode, so that the accuracy and the safety of the information can be ensured. The single-phase suspension type multifunctional electric energy meter supports modes of prepayment, post-payment and multi-rate.
The utility model relates to a single-phase suspension type multifunctional electric energy meter which has the functions of electric energy metering and remote control and adopts WI-FINE & Bluetooth communication. The single-phase suspension type multifunctional electric energy meter system composed of the electric energy meter has the data acquisition and monitoring functions of the whole system, and is provided with an uplink concentrator and a downlink display through WI-FINE & Bluetooth communication. The WI-FINE communication module adopts a Wavemesh wireless mobile ad hoc network protocol, supports the functions of free networking, routing and relaying, and has large network coverage and long communication distance. The electric energy meter sends data to the server platform through the concentrator, and managers can inquire and control the electric energy meter through the platform. The user can remotely inquire the parameters such as the electric quantity of the electric energy meter, the residual amount and the like through external application and charge the electric quantity, and the electric quantity charge adopts the IEC62055-41 standard to encrypt the charge token, so that the charge reliability and the charge safety are ensured. When the residual electric quantity in the electric energy meter is exhausted, the power supply is cut off by the internal relay, and the power supply for the user is stopped. The electric energy meter can set a power threshold value, and when the use power reaches the threshold value, the load can be cut off in time, so that fire caused by overload is avoided. The electric energy meter also supports Bluetooth communication, and can be connected with the electric energy meter by using a Bluetooth palm machine and a mobile phone APP to carry out operations such as troubleshooting and recharging. In the aspect of metering, the electric energy meter has two ways of metering, and supports zero-drop metering, electricity-stealing tripping and the like.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments, or alternatives may be employed, by those skilled in the art, without departing from the spirit or ambit of the utility model as defined in the appended claims.
Claims (9)
1. The utility model provides a multi-functional electric energy meter of single-phase suspension type based on WI-FINE & bluetooth, includes power supply circuit and master control MCU, its characterized in that, master control MCU is connected with the WI-FINE & bluetooth communication circuit who is used for data interaction between concentrator and the ammeter, still is connected with the detection circuitry who is used for preventing to steal the electricity.
2. The WI-FINE & Bluetooth-based single-phase suspended multifunctional electric energy meter according to claim 1, wherein the power circuit comprises a resistance-capacitance voltage reduction circuit and an AC-DC circuit which are sequentially connected with an external power supply; and the output voltage of the power supply circuit is connected with the master control MCU and outputs direct current voltage to a low-voltage input pin of the master control MCU.
3. The WI-FINE & bluetooth based single-phase suspended multifunctional electric energy meter according to claim 1, wherein the master MCU comprises a single-phase electric energy metering SoC chip, and the master MCU is connected with an 80A magnetic latching relay.
4. The WI-FINE & bluetooth based single phase suspended multifunctional electric energy meter according to claim 1, further comprising a metering and storing circuit connected with the master MCU, wherein the metering and storing circuit comprises a metering circuit connected with the electric power sampling and a data storing module for data storage.
5. The WI-FINE & bluetooth based single phase suspended multifunctional electric energy meter according to claim 1, further comprising an LCD display circuit connected to the main control MCU and a numeric keypad including keys correspondingly connected to the LCD display circuit.
6. The WI-FINE & bluetooth-based single-phase suspended multifunctional electric energy meter according to claim 5, wherein the keys comprise a 0-9 ten number key, a delete key and a confirm key.
7. The WI-FINE & Bluetooth-based single-phase suspended multifunctional electric energy meter according to claim 1, wherein the master control MCU is further connected with an infrared communication module for short-distance parameter setting and power data reading.
8. The WI-FINE & bluetooth based single phase suspended multifunctional electric energy meter according to claim 1, wherein the single phase suspended multifunctional electric energy meter is provided with an alarm device, the alarm device comprises a buzzer and an indicator light which are controlled and connected by a master control MCU.
9. The WI-FINE & bluetooth-based single-phase suspended multifunctional electric energy meter according to claim 1, wherein the detection circuit comprises a lid opening detection circuit and a magnetic field detection circuit, and the magnetic field detection circuit comprises a current imbalance detection and a zero drop detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122628083.7U CN216979159U (en) | 2021-10-29 | 2021-10-29 | Single-phase suspension type multifunctional electric energy meter based on WI-FINE & Bluetooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122628083.7U CN216979159U (en) | 2021-10-29 | 2021-10-29 | Single-phase suspension type multifunctional electric energy meter based on WI-FINE & Bluetooth |
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| Publication Number | Publication Date |
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| CN216979159U true CN216979159U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122628083.7U Active CN216979159U (en) | 2021-10-29 | 2021-10-29 | Single-phase suspension type multifunctional electric energy meter based on WI-FINE & Bluetooth |
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| CN (1) | CN216979159U (en) |
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2021
- 2021-10-29 CN CN202122628083.7U patent/CN216979159U/en active Active
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