CN105467181A - Device and method used for short-message payment notification of resident charge urging meter - Google Patents
Device and method used for short-message payment notification of resident charge urging meter Download PDFInfo
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- CN105467181A CN105467181A CN201510989149.1A CN201510989149A CN105467181A CN 105467181 A CN105467181 A CN 105467181A CN 201510989149 A CN201510989149 A CN 201510989149A CN 105467181 A CN105467181 A CN 105467181A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/56—Special tariff meters
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/06—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity with means for prepaying basic charges, e.g. rent for meters
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/10—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity with alarm or warning devices, e.g. indicating the interrupting of the supply
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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Abstract
The invention discloses a device and method used for short-message payment notification of a resident charge urging meter. The device comprises a CPU master control unit as well as a data collection unit, a wireless communication unit, a storage unit and a power source management unit which interact with the CPU master control unit, wherein an input end of the power source management unit is connected to an AC-220 V power source on the front end of the charge urging meter; and an output end is converted into a working voltage supplied to the CPU master control unit, the data collection unit, the wireless communication unit and the storage unit. The device and method disclosed by the invention collect charge and electric quantity data of a user charge urging meter in real time by the data collection unit, wherein the data is processed by the CPU master control unit and then sent to a user terminal, and a user can be informed in time to make a payment via a short message manner when a residual amount and a residual electric quantity of an electric meter are insufficient, so that waste in human power, financial resource and time caused by manual charge urging can be greatly reduced.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a device and a method for informing and paying fees of resident fee control meters by short messages, in particular to a terminal device which can simultaneously monitor indexes such as residual amount, residual electric quantity and the like of a plurality of fee control electric energy meters on line in real time and send a recharge short message prompt to a resident user when an alarm threshold value is reached.
[ background of the invention ]
With the deep innovation of the power system in China and the successful implementation of the distribution network transformation project in large and medium cities in recent years, a power supply system must be subjected to a series of automatic and intelligent transformation so as to ensure that the power distribution and transmission system can provide high-quality service for electric energy users efficiently, fairly and conveniently. However, the electric energy meter of the basic unit is installed in a centralized way by adopting the meter box, and when the residual amount of the electric energy meter reaches the alarm threshold, the backlight alarm of the electric energy meter cannot timely and effectively inform residential users.
The above problems can lead to: firstly, a user is forced to cut off power supply by an electric power company under the condition that the user does not know that the balance of the electric power fee is insufficient; secondly, the power company needs to send a specially-assigned person to the district for charging. The electric power is forcibly cut off, so that civil disputes are easily generated between electric power companies and users. And if the manual charging is carried out in the areas with scattered electric meter installation positions, a large amount of human resources are wasted, and the real-time performance is poor.
[ summary of the invention ]
The invention aims to solve the problems and provides a device and a method for informing and paying the fees of a resident fee control meter through a short message.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
a device for informing payment of resident fee control meter by short message comprises a shell and a main control circuit board arranged in the shell, wherein a CPU main control unit, a data acquisition unit, a wireless communication unit, a storage unit and a power management unit are arranged on the main control circuit board, the data acquisition unit, the wireless communication unit, the storage unit and the power management unit are mutually interacted with the CPU main control unit, and the output end of the main control circuit board is converted into working voltage for the CPU main control unit, the data acquisition unit, the wireless communication unit and the storage unit; the lower end of the shell is provided with a power interface and a data interface, and is provided with an antenna connected with the wireless communication unit, the power management unit is connected with an AC-220V power supply at the front end of the fee control meter through the power interface, the data acquisition unit is connected with the fee control meter through the data interface, and the front surface of the shell is provided with an operation state display panel; wherein,
the data acquisition unit is used for acquiring the charge and electric quantity data of at least one charge control meter and sending the acquired data to the CPU main control unit;
the CPU main control unit processes the data acquired by the data acquisition unit, converts the data into fee and electric quantity information, and informs a terminal user through the wireless communication unit when the residual amount or the residual electric quantity of the electric meter is insufficient;
the storage unit comprises a Flash data storage unit and an EEPROM parameter storage unit, the Flash data storage unit is used for storing historical data of the electric energy meter, and the EEPROM parameter storage unit is used for storing parameters of the electric energy meter.
The invention further improves the following steps:
the data acquisition unit adopts a polar RS-485 acquisition unit and is used for acquiring data of four electric energy meters; the data interface comprises an RS-485 positive interface and an RS-485 negative interface.
The CPU main control unit is connected with an infrared maintenance unit used for inquiring and setting communication parameters, a master station number and a user number, and the infrared maintenance unit and the wireless communication unit are mutually communicated with the CPU main control unit through a serial bus; the infrared maintenance unit comprises a 38K infrared transmitting and modulating circuit and an infrared transmitting and receiving unit, and transmitting and receiving ends of the infrared transmitting and receiving unit are arranged on the running state display panel.
The Flash data storage unit is interacted with the CPU main control unit through an SPI bus, and the EEPROM parameter storage unit is communicated with the CPU main control unit through an I2The C bus interacts with the CPU master control unit.
The CPU main control unit is connected with a watchdog reset unit through an I/O interface, and the watchdog reset unit is used for forcibly resetting when the CPU main control unit is down due to abnormality; the CPU main control unit and the wireless communication unit are used for discharging to the CPU main control unit and the wireless communication unit when the AC-220V power supply is powered off, so that the CPU main control unit stores data, and the wireless communication unit completes a farad capacitor charging and discharging unit for data sending work.
The wireless communication unit adopts a GPRS network processing unit, the antenna is a GPRS antenna, and the bottom of the shell is also provided with an SIM card slot; the CPU main control unit adopts a 32-bit high-speed processor with the model number STM32F 103.
The shell is divided into two parts which are buckled up and down and is fixed through at least four bolts.
The upper end of the back of the shell is provided with a hook used for hanging the whole device, and the whole device is installed in the meter box through the hook.
The middle part of the shell is relatively provided with an upper clamping groove and a lower clamping groove, the upper clamping groove and the lower clamping groove are clamped in a guide rail of the meter box, and the whole device is arranged in the meter box.
A resident fee control meter short message notification payment method comprises the following steps:
1) firstly, acquiring real-time data of voltage, current, power, positive active indication value, residual amount and residual electric quantity of at most four intelligent electric energy meters through an RS485 data acquisition unit through a serial bus, and carrying out statistics, processing, alarming and uploading on each collected index data in a CPU main control unit;
2) after the indexes and the real-time monitoring data are processed, the indexes and the real-time monitoring data are written into a Flash data storage unit of a storage space through an SPI bus, and the Flash data storage unit can store historical curve data of the four intelligent meters for 31 continuous days and day freezing data of 62 continuous days;
3) the CPU main control unit compares the collected remaining amount and the collected remaining electric quantity of the intelligent meter with an alarm threshold value in the electric meter, and sends an alarm short message to a specified user when the alarm threshold value is reached; the short message contents are sequentially a number, a name, a current remaining amount and information for prompting timely recharging, and are sent for 2 times at an interval of 24 hours under the condition that a user does not recharge;
4) when the CPU main control unit is down due to abnormality, the watchdog reset unit is started to forcibly reset the CPU main control unit;
5) under the condition that an external AC-220V power supply normally supplies power, the farad capacitor charging and discharging unit automatically charges; when the external AC-220V power supply is cut off, the farad capacitor charging and discharging unit discharges to provide a DC-5V power supply for the CPU main control unit and the GPRS network processing unit, and the DC-5V power supply is used for storing parameters of the CPU main control unit and transferring data in case of power failure.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the data acquisition unit acquires the charge and electric quantity data of the user charge control meter in real time, the charge and electric quantity data are processed by the CPU main control unit and then are sent to the user terminal, the user can be timely notified in a short message manner to pay when the residual amount and the residual electric quantity of the electric meter are insufficient, and the waste of manpower, financial resources and time caused by manual charge urging is greatly reduced.
Furthermore, uplink communication of the device is a 376.1 protocol, the device can log in a GPRS master station, downlink communication of the device can acquire the electric energy meter through RS485, and the device can be used in areas with low meter reading success rate caused by poor carrier communication effect and the like, so that the problems of untimely uploading of field meter data and low reading rate can be thoroughly solved, and the data integrity of the power utilization information acquisition system can be further improved.
Furthermore, the invention only needs to configure the communication parameters, the telephone number of the main station, the telephone number of the user and other conventional parameters without more configuration work, improves the flexibility of the equipment under the condition of not increasing the design cost, greatly reduces the workload of parameter configuration and further reduces the maintenance cost of the equipment.
Furthermore, the working voltage of the invention can be directly used for getting electricity from the front end of the ammeter, the invention has the advantages of small volume, low power consumption and convenient installation, and simultaneously has two installation modes of guide rail type and hook type, thereby effectively coping with complex environment on site and having convenient and reliable construction.
[ description of the drawings ]
FIG. 1 is a schematic electrical diagram of the present invention;
FIG. 2 is a power management circuit diagram of the present invention;
FIG. 3 is a circuit diagram of a GPRS network processing unit of the present invention
FIG. 4 is a front view of the overall structure of the present invention;
FIG. 5 is a left side view of the present invention;
FIG. 6 is a rear view of the present invention;
FIG. 7 is a bottom view of the present invention;
FIG. 8 is a schematic view of the present invention clamped in a watch box.
[ detailed description ] embodiments
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1 to 8, the present invention includes a housing 1, and a main control circuit board disposed in the housing 1, the main control circuit board is provided with a CPU main control unit, and a data acquisition unit, a wireless communication unit, a storage unit and a power management unit which are all interacted with the CPU main control unit, and an output end is converted into a working voltage for the CPU main control unit, the data acquisition unit, the wireless communication unit and the storage unit; as shown in fig. 7, the lower end of the casing 1 is provided with a power interface and a data interface, and is provided with an antenna connected with the wireless communication unit, the power management unit is connected with the front AC-220V power supply of the fee control meter through the power interface, the data acquisition unit is connected with the fee control meter through the data interface, and the front of the casing 1 is provided with an operation state display panel 3; wherein,
the data acquisition unit is used for acquiring the charge and electric quantity data of at least one charge control meter and sending the acquired data to the CPU main control unit; the data acquisition unit adopts a polar RS-485 acquisition unit and is used for acquiring data of four electric energy meters; the data interface comprises an RS-485 positive interface and an RS-485 negative interface.
The wireless communication unit adopts a GPRS network processing unit, the antenna is a GPRS antenna 6, and the bottom of the shell 1 is also provided with an SIM card slot 8; the CPU main control unit adopts a 32-bit high-speed processor with the model number STM32F 103.
The storage unit comprises a Flash data storage unit and an EEPROM parameter storage unit, the Flash data storage unit is used for storing historical data of the electric energy meter, and the EEPROM parameter storage unit is used for storing parameters of the electric energy meter. The Flash data storage unit is interacted with the CPU main control unit through an SPI bus, and the EEPROM parameter storage unit is communicated with the CPU main control unit through an I2The C bus interacts with the CPU master control unit.
The CPU main control unit processes the data acquired by the data acquisition unit, converts the data into fee and electric quantity information, and informs a terminal user through the wireless communication unit when the residual amount or the residual electric quantity of the electric meter is insufficient;
the CPU main control unit is connected with an infrared maintenance unit used for inquiring and setting communication parameters, a master station number and a user number, and the infrared maintenance unit and the wireless communication unit are mutually communicated with the CPU main control unit through a serial bus; the infrared maintenance unit comprises a 38K infrared transmitting and modulating circuit and an infrared transmitting and receiving unit, and transmitting and receiving ends of the infrared transmitting and receiving unit are arranged on the running state display panel 3. The CPU main control unit is connected with a watchdog reset unit through an I/O interface, and the watchdog reset unit is used for forcibly resetting when the CPU main control unit is down due to abnormality; the CPU main control unit and the wireless communication unit are used for discharging to the CPU main control unit and the wireless communication unit when the AC-220V power supply is powered off, so that the CPU main control unit stores data, and the wireless communication unit completes a farad capacitor charging and discharging unit for data sending work.
The shell 1 is divided into two parts which are buckled up and down and fixed by at least four bolts 7. The invention can install the whole device in the watch box by two modes:
firstly, a hook 2 used for hanging the whole device is arranged at the upper end of the back of the shell 1, and the whole device is installed in a meter box through the hook 2.
Secondly, as shown in fig. 5, 6 and 7, the middle part of the shell 1 is oppositely provided with an upper clamping groove 4 and a lower clamping groove 5, the upper clamping groove 4 and the lower clamping groove 5 are clamped in a guide rail 9 of the meter box, and the whole device is installed in the meter box.
The invention also discloses a short message notification payment method for the resident fee control meter, which comprises the following steps:
1) firstly, acquiring real-time data of voltage, current, power, positive active indication value, residual amount and residual electric quantity of at most four intelligent electric energy meters through an RS485 data acquisition unit through a serial bus, and carrying out statistics, processing, alarming and uploading on each collected index data in a CPU main control unit;
2) after the indexes and the real-time monitoring data are processed, the indexes and the real-time monitoring data are written into a Flash data storage unit of a storage space through an SPI bus, and the Flash data storage unit can store historical curve data of the four intelligent meters for 31 continuous days and day freezing data of 62 continuous days;
3) the CPU main control unit compares the collected remaining amount and the collected remaining electric quantity of the intelligent meter with an alarm threshold value in the electric meter, and sends an alarm short message to a specified user when the alarm threshold value is reached; the short message contents are sequentially a number, a name, a current remaining amount and information for prompting timely recharging, and are sent for 2 times at an interval of 24 hours under the condition that a user does not recharge;
4) when the CPU main control unit is down due to abnormality, the watchdog reset unit is started to forcibly reset the CPU main control unit;
5) under the condition that an external AC-220V power supply normally supplies power, the farad capacitor charging and discharging unit automatically charges; when the external AC-220V power supply is cut off, the farad capacitor charging and discharging unit discharges to provide a DC-5V power supply for the CPU main control unit and the GPRS network processing unit, and the DC-5V power supply is used for storing parameters of the CPU main control unit and transferring data in case of power failure.
The circuit structure principle of the invention is as follows:
the main control circuit comprises a power supply management unit, a GPRS network processing unit, an RS-485 acquisition unit, an infrared maintenance unit, a farad capacitor charging and discharging unit, a Flash data storage unit with a storage space of 4M and an EEPROM parameter storage unit with a storage space of 32K, wherein the Flash data storage unit and the EEPROM parameter storage unit are respectively connected with an I/O bus through an SPI bus2The C bus is connected to a CPU main control unit, and the CPU main control unit adopts a 32-bit high-speed processor with the model of STM32F 103. The power management unit comprises a 78L05 chip, a differential mode inductor, an integrated power chip and a rectifier bridge, and the input end of the power management unit is connected with an AC-220V power supply. The GPRS network processing unit comprises an M590E-R2 communication chip and a C707SIM card seat separated by physics.
The CPU main control unit is connected with the GPRS network processing unit and the infrared maintenance unit through a serial bus. The infrared maintenance unit is provided with a 38K infrared transmitting modulation circuit and a receiving circuit. The Flash data storage unit is connected with the CPU main control unit through the SPI bus and used for storing historical data of the intelligent electric energy meter. EEPROM parameter storage unit pass I2And the C bus is connected with the CPU main control unit and is used for storing important parameters of the intelligent electric energy meter.
The CPU main control unit is connected with a farad capacitor charging and discharging unit through an I/O interface, and the farad capacitor charging and discharging unit supplies power to the CPU main control unit and the GPRS network processing unit under the condition that external 220V alternating current power supply is disconnected, can maintain power supply for 1-2 minutes and is used for storing important data of the main control unit. The CPU main control unit is connected with a hardware watchdog chip through an I/O interface and is used for forcibly resetting when the CPU main control unit is down due to abnormality so as to recover to a normal working state.
As shown in fig. 2, which is a circuit diagram of the power management unit of the present invention, the power management unit includes a 78L05 chip, a differential mode inductor, an integrated power chip, and a rectifier bridge. The GPRS network processing unit comprises an M590E-R2 communication chip and a C707SIM card seat separated by physics.
As shown in FIG. 3, the CPU master control unit is also connected to the SP706 dedicated reset chip through an I/O interface. In the farad capacitor charging and discharging unit, under the condition of normal power supply of external AC-220V, the farad capacitor charging and discharging unit is charged by itself, after the external power supply is cut off, 5V direct current is provided for the CPU main control unit and the GPRS network processing unit, the duration is 1-2 minutes, and the duration is used for storing important parameters of the CPU main control unit and transferring data in case of power failure. The CPU main control unit is respectively connected with the green LED state lamp and the red LED operation lamp through the I/O interface.
The structural principle of the invention is as follows:
the CPU main control unit is the core of the whole system, firstly, the voltage, the current, the power, the positive active indication value, the residual amount, the residual electric quantity and other real-time data of at most four intelligent electric energy meters are collected through a serial bus through an RS485 data acquisition unit, and the collected index data are counted, processed, alarmed, uploaded and the like in a 72MHZARM7 chip in the CPU main control unit. And after the indexes and the real-time monitoring data are processed, the indexes and the real-time monitoring data are written into an AT45DB321Flash chip with a storage space of 4M through an SPI bus. The maximum storage capacity can store historical curve data of 4 blocks of intelligent tables for 31 continuous days and day freezing data of 62 continuous days. The CPU main control unit supports 376.1 master station communication protocols in an uplink mode, supports 645 intelligent meter acquisition protocols in a downlink mode, can acquire intelligent meter data at the same time, and achieves physical isolation.
The CPU main control unit compares the collected remaining amount and the collected remaining electric quantity of the intelligent meter with an alarm threshold value in the electric meter, and sends alarm short messages to a specified user after the alarm threshold value is reached, wherein the short messages are sequentially serial numbers, names, the current remaining amount and information for prompting timely recharging, and the short messages are sent for 2 times at intervals of 24 hours under the condition that the user does not recharge. Through the process, the user can be timely and effectively informed that the residual amount is not enough, and the manpower waste caused by the manual charge hastening of the community is greatly reduced.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (10)
1. A device for informing payment of resident fee control meter by short message is characterized by comprising a shell (1) and a main control circuit board arranged in the shell (1), wherein the main control circuit board is provided with a CPU main control unit, a data acquisition unit, a wireless communication unit, a storage unit and a power management unit which are mutually interacted with the CPU main control unit, and the output end of the main control circuit board is converted into working voltage for the CPU main control unit, the data acquisition unit, the wireless communication unit and the storage unit; the lower end of the shell (1) is provided with a power interface and a data interface, and is provided with an antenna connected with the wireless communication unit, the power management unit is connected with an AC-220V power supply at the front end of the fee control meter through the power interface, the data acquisition unit is connected with the fee control meter through the data interface, and the front surface of the shell (1) is provided with an operation state display panel (3); wherein,
the data acquisition unit is used for acquiring the charge and electric quantity data of at least one charge control meter and sending the acquired data to the CPU main control unit;
the CPU main control unit processes the data acquired by the data acquisition unit, converts the data into fee and electric quantity information, and informs a terminal user through the wireless communication unit when the residual amount or the residual electric quantity of the electric meter is insufficient;
the storage unit comprises a Flash data storage unit and an EEPROM parameter storage unit, the Flash data storage unit is used for storing historical data of the electric energy meter, and the EEPROM parameter storage unit is used for storing parameters of the electric energy meter.
2. The device for short message notification of payment of a resident fee control meter according to claim 1, wherein the data acquisition unit adopts a polarity RS-485 acquisition unit for acquiring data of four electric energy meters; the data interface comprises an RS-485 positive interface and an RS-485 negative interface.
3. The device for short message notification and payment of a resident fee control meter according to claim 1, wherein the CPU main control unit is connected with an infrared maintenance unit for inquiring and setting communication parameters, a master station number and a user number, and the infrared maintenance unit and the wireless communication unit are mutually connected with the CPU main control unit through a serial bus; the infrared maintenance unit comprises a 38K infrared sending modulation circuit and an infrared transmitting and receiving unit, and transmitting and receiving ends of the infrared transmitting and receiving unit are arranged on the running state display panel (3).
4. The device of claim 1, wherein the Flash data storage unit interacts with the CPU main control unit through the SPI bus, and the EEPROM parameters are storedStorage unit pass through2The C bus interacts with the CPU master control unit.
5. The device for short message notification of payment according to resident fee control table of claim 1, wherein the CPU main control unit is connected to a watchdog reset unit through an I/O interface for forced reset when the CPU main control unit goes down due to abnormality; the CPU main control unit and the wireless communication unit are used for discharging to the CPU main control unit and the wireless communication unit when the AC-220V power supply is powered off, so that the CPU main control unit stores data, and the wireless communication unit completes a farad capacitor charging and discharging unit for data sending work.
6. The device for short message notification and payment of the resident fee control meter according to any one of claims 1-5, wherein the wireless communication unit adopts a GPRS network processing unit, the antenna is a GPRS antenna (6), and the bottom of the shell (1) is further provided with a SIM card slot (8); the CPU main control unit adopts a 32-bit high-speed processor with the model number STM32F 103.
7. The device for short message payment of resident fee control meter according to claim 1, wherein the housing (1) is divided into two parts which are buckled up and down and fixed by at least four bolts (7).
8. The device for short message payment of the resident fee control meter according to claim 1 or 7, characterized in that a hook (2) for hanging the whole device is arranged at the upper end of the back of the shell (1), and the whole device is installed in the meter box through the hook (2).
9. The device for short message notification and payment of the resident fee control meter according to claim 1 or 7, wherein an upper clamping groove (4) and a lower clamping groove (5) are oppositely arranged in the middle of the shell (1), the upper clamping groove (4) and the lower clamping groove (5) are clamped in a guide rail (9) of the meter box, and the whole device is installed in the meter box.
10. A method for short message payment of resident fee control table of the device as claimed in any one of claims 1-5 or 7, comprising the following steps:
1) firstly, acquiring real-time data of voltage, current, power, positive active indication value, residual amount and residual electric quantity of at most four intelligent electric energy meters through an RS485 data acquisition unit through a serial bus, and carrying out statistics, processing, alarming and uploading on each collected index data in a CPU main control unit;
2) after the indexes and the real-time monitoring data are processed, the indexes and the real-time monitoring data are written into a Flash data storage unit of a storage space through an SPI bus, and the Flash data storage unit can store historical curve data of the four intelligent meters for 31 continuous days and day freezing data of 62 continuous days;
3) the CPU main control unit compares the collected remaining amount and the collected remaining electric quantity of the intelligent meter with an alarm threshold value in the electric meter, and sends an alarm short message to a specified user when the alarm threshold value is reached; the short message contents are sequentially a number, a name, a current remaining amount and information for prompting timely recharging, and are sent for 2 times at an interval of 24 hours under the condition that a user does not recharge;
4) when the CPU main control unit is down due to abnormality, the watchdog reset unit is started to forcibly reset the CPU main control unit;
5) under the condition that an external AC-220V power supply normally supplies power, the farad capacitor charging and discharging unit automatically charges; when the external AC-220V power supply is cut off, the farad capacitor charging and discharging unit discharges to provide a DC-5V power supply for the CPU main control unit and the GPRS network processing unit, and the DC-5V power supply is used for storing parameters of the CPU main control unit and transferring data in case of power failure.
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| CN201510989149.1A CN105467181A (en) | 2015-12-24 | 2015-12-24 | Device and method used for short-message payment notification of resident charge urging meter |
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| CN201510989149.1A CN105467181A (en) | 2015-12-24 | 2015-12-24 | Device and method used for short-message payment notification of resident charge urging meter |
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| CN105913569A (en) * | 2016-04-29 | 2016-08-31 | 北京小米移动软件有限公司 | Electric power management method and device |
| CN106846638A (en) * | 2017-01-05 | 2017-06-13 | 北京小米移动软件有限公司 | The surplus management method and device of intelligence instrument |
| CN107576833A (en) * | 2017-10-18 | 2018-01-12 | 新开普电子股份有限公司 | A kind of single-phase electronic energy meter mounting structure |
| CN110267126A (en) * | 2019-06-25 | 2019-09-20 | 宁波三星医疗电气股份有限公司 | A kind of wireless communication device |
| CN111781900A (en) * | 2020-06-28 | 2020-10-16 | 沙洋棠鑫节能技术有限公司 | A home intelligent resource management and monitoring system |
| CN113345166A (en) * | 2020-02-18 | 2021-09-03 | 安科瑞电气股份有限公司 | Guide rail type prepayment electric energy meter |
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| CN106846638A (en) * | 2017-01-05 | 2017-06-13 | 北京小米移动软件有限公司 | The surplus management method and device of intelligence instrument |
| CN107576833A (en) * | 2017-10-18 | 2018-01-12 | 新开普电子股份有限公司 | A kind of single-phase electronic energy meter mounting structure |
| CN110267126A (en) * | 2019-06-25 | 2019-09-20 | 宁波三星医疗电气股份有限公司 | A kind of wireless communication device |
| CN113345166A (en) * | 2020-02-18 | 2021-09-03 | 安科瑞电气股份有限公司 | Guide rail type prepayment electric energy meter |
| CN113345166B (en) * | 2020-02-18 | 2023-07-18 | 安科瑞电气股份有限公司 | A rail-type prepaid electric energy meter |
| CN111781900A (en) * | 2020-06-28 | 2020-10-16 | 沙洋棠鑫节能技术有限公司 | A home intelligent resource management and monitoring system |
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Application publication date: 20160406 |