CN109901468B - Intelligent electric meter remote power restoration auxiliary device and method based on mobile network - Google Patents
Intelligent electric meter remote power restoration auxiliary device and method based on mobile network Download PDFInfo
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- CN109901468B CN109901468B CN201910181052.6A CN201910181052A CN109901468B CN 109901468 B CN109901468 B CN 109901468B CN 201910181052 A CN201910181052 A CN 201910181052A CN 109901468 B CN109901468 B CN 109901468B
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Abstract
The invention discloses a remote power restoration auxiliary device and method for an intelligent electric meter based on a mobile network. The invention really realizes the remote quick complex electricity and the stable transmission of complex electric signals, and has strong anti-interference capability. The liaison does not need to arrive at the site, and only the power supply station worker needs to send out the power restoration command, so that the traffic cost is saved, and the occurrence of complaint events caused by long power restoration time or frequent power restoration failure is avoided.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to a remote power restoration auxiliary device of an intelligent electric meter based on a mobile network.
Background
With the gradual completion of the full coverage of the intelligent electric meter, the novel electronic payment channel is widely applied, and measures are required to further control the electric charge risk; at the moment, the national grid company adapts to the requirements of the era, catches the development opportunity, and establishes an intelligent management system for serving a large number of power customers, wherein the intelligent management system comprises a remote real-time cost control system. In the current stage, if the remote power restoration instruction fails to be issued, a long time is needed for waiting for a contact person to arrive at a field handheld palm computer to enable the intelligent electric meter to be switched on and restored with power. A set of remote fee control power restoration auxiliary device which can be popularized and popularized is required to be designed, so that the system can automatically restore power or a user can safely and quickly complete power restoration operation.
Disclosure of Invention
The invention aims to provide an intelligent electric meter remote power restoration auxiliary device and method based on a mobile network, aiming at overcoming the problems that remote power restoration instructions in the current stage of a system fail to issue and a contact person needs to wait for a long time to arrive at a field handheld palm computer to enable an electric meter to be switched on so as to obtain power restoration, and realizing automatic power restoration of the system or safe and rapid power restoration of a user.
In order to achieve the purpose, the invention is realized by the following scheme: a remote power restoration auxiliary device of an intelligent electric meter based on a mobile network comprises a palm machine, a power restoration signal receiving device, a power restoration signal transmitting device and the intelligent electric meter, wherein the palm machine is in communication connection with the power restoration signal receiving device, the power restoration signal receiving device is in communication connection with the power restoration signal transmitting device, and the power restoration signal transmitting device is connected with the intelligent electric meter;
the complex electric signal receiving device comprises a microcontroller A, GSM short message module A and an infrared receiving circuit, wherein the input end of the microcontroller A is connected with the infrared receiving circuit
The complex electric signal transmitting device comprises a microcontroller B, GSM short message module B, an infrared transmitting circuit, a light emitting diode and an alarm device, wherein the input end of the microcontroller B is electrically connected with the time chip, and the output end of the microcontroller B is electrically connected with the infrared transmitting circuit;
the intelligent electric meter is used for receiving the signal sent by the infrared transmitting circuit and carrying out closing operation.
And the GSM short message module A is in communication connection with the GSM short message module B.
And the microcontroller A and the microcontroller B are STM32 series single-chip microcomputers.
The infrared transmitting circuit comprises an infrared transmitting tube.
The infrared emission tube is an infrared light emitting diode.
The invention has the beneficial effects that: 1. compared with two power recovery devices for power recovery by using a Bluetooth or NFC mode and power recovery by using an infrared signal, the invention really realizes remote and rapid power recovery and stable transmission of a power recovery signal and has strong anti-interference capability. The contact person does not need to arrive at the site, and only needs the power supply station staff to send out the power restoration instruction, so that the traffic cost is saved, and the occurrence of complaint events caused by long power restoration time or repeated power restoration failure is avoided;
2. the business mode of realizing the autonomous power restoration of the user through the communication technology is developed, so that the user has complete autonomy for power restoration, the operation is simple, and the double insurance effect is realized. The complex electric transmitting device can be fixed and can also be moved. The intelligent ammeter can be installed beside the intelligent ammeter and can also be distributed to customers; when the power supply of the complex electricity transmitting device adopts an adapter, the complex electricity signal transmitting device can be installed beside the intelligent electric meter, personnel do not need to arrive at the site, and complex electricity is realized, which is the first insurance; when the power supply of the complex electricity signal transmitting device adopts a battery, the complex electricity signal transmitting device can also be distributed to customers, and the users only need to aim at the intelligent electric meter to press a key, so that the equipment is cheap, the operation is simple, and the complex electricity signal transmitting device is particularly applied to rural areas to realize complex electricity, which is a second insurance;
3. the complex electric signal transmitting device is low in cost and easy to popularize, one complex electric signal transmitting device does not correspond to one intelligent electric meter, after the complex electric command of one intelligent electric meter is received and the complex electric command of the next intelligent electric meter is executed, and users can mutually help the complex electric devices, so that the complex electric signal transmitting device is widely used.
4. The complex electric signal emitting device has the function of automatic signal identification, when the complex electric signal is received and sent out in time, the light emitting diode lights up, the buzzer in the alarm device sounds, the complex electric signal is successfully emitted at the moment, the problem that the complex electric signal is emitted is avoided, the problem that the complex electric signal is emitted or received can be judged blindly when the problem occurs, and the problem that the complex electric signal is emitted or received can be quickly judged.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a complex electrical signal receiving flow chart;
FIG. 3 is a complex electrical signal transmission flow chart;
FIG. 4 is a diagram of an infrared emission circuit;
in the figure: 1. the intelligent ammeter comprises a palm machine, 2, a telegraph-answering signal receiving device, 3, a telegraph-answering signal transmitting device, 4, an intelligent ammeter, 5, microcontrollers A and 6, GSM short message modules A and 7, an infrared receiving circuit, 8, microcontrollers B and 9, GSM short message modules B and 9, an infrared receiving circuit, 10, an infrared transmitting circuit, 11, an alarm device, 12 and an infrared diode.
Detailed Description
Example 1:
as shown in fig. 1, a remote power restoration assisting device for an intelligent electric meter based on a mobile network comprises a palm machine 1, a power restoration signal receiving device 2, a power restoration signal transmitting device 3 and an intelligent electric meter 4, wherein the palm machine 1 is in communication connection with the power restoration signal receiving device 2, the power restoration signal receiving device 2 is in communication connection with the power restoration signal transmitting device 3, and the power restoration signal transmitting device 3 is connected with the intelligent electric meter 4;
the complex electric signal receiving device 2 comprises a microcontroller A5, a GSM short message module A6 and an infrared receiving circuit 7, wherein the input end of the microcontroller A5 is connected with the infrared receiving circuit 7;
the complex electric signal transmitting device comprises a microcontroller B8, a GSM short message module B9, an infrared transmitting circuit 10, a light emitting diode 12 and an alarm device 11, wherein the input end of the microcontroller B8 is electrically connected with a time chip, and the output end of the microcontroller B8 is electrically connected with the infrared transmitting circuit 10; with the structure, the complex electric signal emitting device 3 has the function of automatically identifying signals, when the complex electric signals are received and sent out in time, the light emitting diode lights up, the buzzer in the alarm device 11 buzzes, and the complex electric signals are successfully emitted at the moment. The problem that when a problem occurs, the problem of transmitting signals or receiving signals can be judged blindly and quickly is avoided.
One set of compound electric signal emission device 3 does not correspond a fixed certain smart electric meter 4, receives the compound electric instruction of a certain smart electric meter and finishes the compound electricity, can carry out the compound electric instruction of next smart electric meter 4, and the user possesses the compound electric device and can mutually with the help of, extensively uses.
The intelligent electric meter 4 is used for receiving the signal sent by the infrared transmitting circuit 10 and performing closing operation. With the combination of the structure, a contact person does not need to arrive at the site, and only needs a power supply station worker to send out a power recovery instruction, and the power recovery signal transmitting device placed beside the intelligent electric meter can receive a stable power recovery signal, so that traffic cost is saved, and complaints caused by long power recovery time or repeated power recovery failure are avoided.
The GSM short message module A6 is in communication connection with the GSM short message module B9.
And the microcontroller A5 and the microcontroller B8 are STM32 series single-chip microcomputers.
The infrared transmitting circuit 10 includes an infrared transmitting tube.
The infrared emission tube is an infrared light emitting diode.
A method for carrying out power restoration by a remote power restoration auxiliary device of an intelligent electric meter based on a mobile network comprises the following steps:
a. the palm machine 1 sets the default communication mode as infrared, creates a power restoration work order and downloads a power restoration instruction to the palm machine; the palm machine 1 sends out a complex electric signal, an infrared receiving circuit 7 of the complex electric signal receiving device 2 reads the complex electric signal in an infrared mode, and the read signal is stored in the microcontroller A;
b. the GSM short message module A6 in the complex electric signal receiving device 2 and the GSM short message module B9 of the complex electric signal transmitting device 3 carry out data transmission by packet switching technology, the GSM short message module A6 transmits control information, and the GSM short message module B9 receives the control information and transmits the received control information to the microcontroller B8 of the complex electric signal transmitting device 3;
c. the infrared transmitting circuit 10 modulates the control signal from the microcontroller B8, encodes the transmitted complex electric digital signal, sends the encoded complex electric digital signal into the electro-optical conversion circuit after proper modulation, converts the complex electric digital signal into infrared light pulse through the infrared transmitting tube, modulates the binary data which is just encoded into stable pulse signal, and transmits the stable pulse signal into the air; selecting a square wave of 38kHz as a fixed frequency of an infrared carrier wave by infrared, and transmitting the square wave in a Pulse Width Modulation (PWM) mode; the time interval between pulses is represented by a "0" or "1" of binary data, i.e., the duty cycle of the PWM. The infrared carrier wave is realized by means of a timer PWM function in the single chip microcomputer controller.
d. When the infrared transmitting tube transmits, a section of lead code is transmitted first, and then a data code is transmitted; the preamble is used to distinguish whether the set of codes is a desired code or an interfering code; the preamble includes a high level of 9ms and a low level of 4 ms; the data code is composed of 32 bits, wherein the high level is 0.5ms, the low level is 1.5ms, and the period code is '1'; the high level is 0.5ms, the low level is 0.5ms, and the period code is '0'; in order to increase the transmission power, in practice the LED uses a carrier signal carrier at 38kHz at high level and always low at low level.
e. The intelligent electric meter 4 receives the signal sent by the infrared transmitting circuit 10 and carries out closing operation.
Example 2:
when the power supply of the complex electricity transmitting device adopts an adapter, the complex electricity signal transmitting device 3 can be installed beside the intelligent electric meter, and the complex electricity is realized without the need of people to arrive at the site; when the power supply of the complex electricity transmitting device adopts a battery, the complex electricity signal transmitting device 3 can also be distributed to customers, and the users only need to aim at the intelligent electric meter 4 and press a key, so that complex electricity can also be realized.
Example 3;
FIG. 4 shows an infrared transmitter circuit, in which an ICl high-speed CMOS type 4-2 input NAND gate 74HC00 integrated circuit is used to form a low-frequency oscillator as a code signal (f1), and an IC 2555 circuit is used as a carrier oscillator, with an oscillation frequency of f0(38 kHz). f1 modulates f0, so the waveform of IC2 at the third leg is a discontinuous carrier wave, which is sent into space via an infrared led. A555 circuit is selected as a carrier wave oscillator, the modulation working principle of the circuit is that a 38kHz square wave signal is generated by utilizing 555, a pin (a pin) at a reset end (a pin) of the 555 circuit is used as a modulation end, and when the pin (a pin) is at a high level, the 555 circuit is a conventional square wave oscillator; and when the pin (r) is at a low level, the pin (555) is at a low level. The modulation signal of the fourth pin is obtained by a low-frequency oscillator of an NAND gate of the ICl.
The above description is only an example of the present invention and is not intended to limit the scope of the present invention, and all equivalent structures made by the present specification or directly or indirectly applied to other related technical fields are also included in the scope of the present invention.
Claims (7)
1. A method for carrying out power restoration by an intelligent electric meter remote power restoration auxiliary device based on a mobile network is characterized by comprising the following steps:
a. the palm machine (1) sets the default communication mode as infrared, creates a power restoration work order and downloads a power restoration instruction to the palm machine; the palm machine (1) sends out a complex electric signal, an infrared receiving circuit (7) of the complex electric signal receiving device (2) reads the complex electric signal in an infrared mode, and the read signal is stored in the microcontroller A;
b. a GSM short message module A (6) in the complex electric signal receiving device (2) and a GSM short message module B (9) of the complex electric signal transmitting device (3) carry out data transmission through a packet switching technology, the GSM short message module A (6) transmits control information, and the GSM short message module B (9) receives the control information and transmits the received control information to a microcontroller B (8) of the complex electric signal transmitting device (3);
c. the infrared transmitting circuit (10) modulates the control signal from the microcontroller B (8), encodes the transmitted complex electric digital signal, sends the encoded complex electric digital signal into the electro-optical conversion circuit after proper modulation, converts the complex electric digital signal into infrared light pulse through the infrared transmitting tube, modulates the binary data which is just encoded into a stable pulse signal, and transmits the stable pulse signal into the air; the method comprises the following steps that (1) a square wave of 38kHz is selected as a fixed frequency of an infrared carrier, and the fixed frequency is transmitted in a Pulse Width Modulation (PWM) mode;
d. when the infrared transmitting tube transmits, a section of lead code is transmitted first, and then a data code is transmitted; the preamble is used to distinguish whether the set of codes is a desired code or an interfering code; the preamble includes a high level of 9ms and a low level of 4 ms; the data code is composed of 32 bits, wherein the high level is 0.5ms, the low level is 1.5ms, and the period code is '1'; the high level is 0.5ms, the low level is 0.5ms, and the period code is '0';
e. and the intelligent electric meter (4) receives the signal sent by the infrared transmitting circuit (10) and carries out closing operation.
2. The method of claim 1, wherein: the device adopted by the method comprises a palm machine (1), a complex electric signal receiving device (2), a complex electric signal transmitting device (3) and an intelligent electric meter (4), wherein the palm machine (1) is in communication connection with the complex electric signal receiving device (2), the complex electric signal receiving device (2) is in communication connection with the complex electric signal transmitting device (3), and the complex electric signal transmitting device (3) is connected with the intelligent electric meter (4);
the complex electric signal receiving device (2) comprises a microcontroller A (5), a GSM short message module A (6) and an infrared receiving circuit (7), wherein the input end of the microcontroller A (5) is connected with the infrared receiving circuit (7);
the complex electric signal transmitting device comprises a microcontroller B (8), a GSM short message module B (9), an infrared transmitting circuit (10), a light emitting diode (12) and an alarm device (11), wherein the input end of the microcontroller B (8) is electrically connected with the time chip, and the output end of the microcontroller B (8) is electrically connected with the infrared transmitting circuit (10);
the intelligent electric meter (4) is used for receiving the signal sent by the infrared transmitting circuit (10) and carrying out switching-on operation.
3. The method of claim 1, wherein: the GSM short message module A (6) is in communication connection with the GSM short message module B (9).
4. The method of claim 1, wherein: and the microcontroller A (5) and the microcontroller B (8) are STM32 series single-chip microcomputers.
5. The method of claim 4, wherein: the microcontroller A (5) is in serial port communication connection with the GSM short message module A (6), and the microcontroller B (8) is in serial port communication connection with the GSM short message module B (9).
6. The method of claim 1, wherein: the infrared transmitting circuit (10) comprises an infrared transmitting tube, an encoder and an oscillator.
7. The method of claim 6, wherein: the infrared emission tube is an infrared light emitting diode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910181052.6A CN109901468B (en) | 2019-03-11 | 2019-03-11 | Intelligent electric meter remote power restoration auxiliary device and method based on mobile network |
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| CN109901468B true CN109901468B (en) | 2021-07-13 |
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2019
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Patent Citations (8)
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| US5664202A (en) * | 1995-04-20 | 1997-09-02 | C & C Tech Ets | Intelligent power consumption monitoring and control system |
| CN101719310A (en) * | 2009-12-21 | 2010-06-02 | 山东大学 | Long-distance infrared remote-controlled device and method used for embedded equipment |
| CN203325173U (en) * | 2013-01-25 | 2013-12-04 | 珠海中慧微电子有限公司 | Intelligent watt-hour meter wireless communication module |
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