CN210807665U - Automatic association pairing system for electric meter and circuit breaker - Google Patents
Automatic association pairing system for electric meter and circuit breaker Download PDFInfo
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- CN210807665U CN210807665U CN202020049371.XU CN202020049371U CN210807665U CN 210807665 U CN210807665 U CN 210807665U CN 202020049371 U CN202020049371 U CN 202020049371U CN 210807665 U CN210807665 U CN 210807665U
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Abstract
The utility model provides an ammeter and circuit breaker automatic association pair system, under certain ammeter case overall arrangement, the many antenna matrix of device bluetooth in the ammeter, device bluetooth single antenna in the circuit breaker utilizes AoA/AoD location technique to confirm the angle, combines RSSI energy detection technique simultaneously, finds the circuit breaker nearest with the ammeter distance. Through the location between ammeter and the circuit breaker, realize the full-automatic of ammeter and circuit breaker and pair, the maximum degree is avoidd artifical manual mismatch hidden danger that pairs and probably bring, promotes simultaneously by a wide margin and pairs efficiency.
Description
Technical Field
The utility model relates to an electric power thing networking field especially relates to an ammeter and circuit breaker automatic association system of pairing.
Background
The intelligent electric meter is one of basic devices for data acquisition of an intelligent power grid (particularly an intelligent power distribution network), bears the tasks of original electric energy data acquisition, metering and transmission, and is the basis for realizing information integration, analysis optimization and information display.
However, in the actual installation process, the ammeter is not electrified, and the built-in Bluetooth module cannot work; secondly, the installation process is disordered, and the electric meters and the circuit breakers are difficult to ensure to be installed in a one-to-one correspondence manner; thirdly, the number of the electric meters and the circuit breakers is too large, and if manual correspondence is used, errors are easy to occur. Therefore, the scheme for realizing automatic association pairing of the electric meter and the circuit breaker needs to be perfected and improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the problem that technical scheme solved provides an ammeter and circuit breaker automatic association system of pairing, can realize that ammeter and the full-automatic association of circuit breaker pair, and the at utmost has avoidd artifical manual mismatch hidden danger that probably brings, promotes simultaneously by a wide margin and pairs efficiency.
In order to solve the above problem, the utility model provides an ammeter and circuit breaker automatic association pair system, a serial communication port, include: the electric meter box is internally provided with a plurality of partitions, and physical partitions are arranged among the partitions; an electric meter is installed in each partition, and the electric meter is connected with a circuit breaker; bluetooth modules are arranged in the ammeter and the circuit breaker; wherein the meter Bluetooth module is configured as a Bluetooth master device and the breaker Bluetooth module is configured as a Bluetooth slave device; the Bluetooth master device has a function of positioning the Bluetooth slave device.
Optionally, the electric meter bluetooth module includes a bluetooth multi-antenna matrix.
Optionally, the breaker bluetooth module includes a bluetooth single antenna.
Optionally, the positioning function includes an energy detection function, and distance positioning is performed according to the detected energy.
Optionally, the energy detection function is implemented by using an RSSI technique.
Optionally, the positioning function includes an angle measurement function, and the angle positioning is performed according to the detected angle.
Optionally, the angle measurement function is implemented using AoA technology.
Compared with the prior art, the utility model discloses technical scheme has following beneficial effect: under certain ammeter case overall arrangement, the many antenna matrix of bluetooth are installed to the ammeter in, and the single antenna of bluetooth is installed to the circuit breaker in, utilizes AoA/AoD location technique to confirm the angle, combines RSSI energy detection technique simultaneously, finds the circuit breaker nearest with the ammeter distance. Through the location between ammeter and the circuit breaker, realize the full-automatic of ammeter and circuit breaker and pair, the maximum degree is avoidd artifical manual mismatch hidden danger that pairs and probably bring, promotes simultaneously by a wide margin and pairs efficiency.
Drawings
Fig. 1 is the embodiment of the present invention provides a structural schematic diagram of an automatic association pairing system for an electricity meter and a circuit breaker.
Fig. 2 is the embodiment of the utility model provides a work principle flow chart is paird in ammeter and circuit breaker automatic association.
Fig. 3 is a schematic diagram illustrating a pairing process between an electricity meter and a circuit breaker according to an embodiment of the present invention.
Detailed Description
As known in the prior art, when an ammeter and a circuit breaker are actually installed, the ammeter is not electrified, and a built-in bluetooth module cannot work; secondly, the installation process is disordered, and the electric meters and the circuit breakers are difficult to ensure to be installed in a one-to-one correspondence manner; thirdly, the number of the electric meters and the circuit breakers is too large, and if manual correspondence is used, errors are easy to occur.
In order to solve the problem, the utility model discloses technical scheme is under certain ammeter case overall arrangement, and the many antenna matrix of device bluetooth in the ammeter, device bluetooth single antenna in the circuit breaker utilize AoA/AoD location technique to confirm the angle, combines RSSI energy detection technique simultaneously, finds the circuit breaker nearest with the ammeter distance. Through the location between ammeter and the circuit breaker, realize the full-automatic of ammeter and circuit breaker and pair, the maximum degree is avoidd artifical manual mismatch hidden danger that pairs and probably bring, promotes simultaneously by a wide margin and pairs efficiency.
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Fig. 1 is the embodiment of the present invention provides a structural schematic diagram of an automatic association pairing system for an electricity meter and a circuit breaker.
Referring to fig. 1, the system includes an electricity meter box 10, in which a plurality of partitions, n partitions as illustrated, are disposed, and a physical partition 11 exists between the partitions; an electric meter is arranged in each subarea, wherein an electric meter 21 and an electric meter 22 … … are shown in the figure, an electric meter 2n is connected with the electric meter, and a circuit breaker is shown in the figure, wherein a circuit breaker 31 and a circuit breaker 32 … … are shown in the figure, and a circuit breaker 3n is connected with the electric meter; bluetooth modules are arranged in the ammeter and the circuit breaker; wherein, the meter bluetooth module is configured as a bluetooth master device, the breaker bluetooth module is configured as a bluetooth slave device, as shown in the figure, the bluetooth module in the meter 21 is the bluetooth master device 211, and the bluetooth module in the breaker 31 is the bluetooth slave device 311. The Bluetooth master device has a function of positioning the Bluetooth slave device. Therefore, all the bluetooth master devices 211 and 221 … …, 2n1 have the function of locating the bluetooth slave devices 311 and 321 … …, 3n 1.
It should be noted that the electric meter has the functions of centralized meter reading, multi-rate, prepayment, electricity larceny prevention, internet access service requirement meeting and the like. The circuit breaker connected to the ammeter has the functions of countdown, positive counting, current limiting, automatic power failure recovery, low-power vibration alarm, permission of overdraft power, timed power failure and power transmission, user double-loop power supply and the like.
In addition, because bluetooth equipment has characteristics such as low power consumption, interference killing feature reinforce, can satisfy ammeter wireless communication service's demand. Specifically, in the embodiment of the present invention, the Bluetooth module used is a Bluetooth technology based on BLE (Bluetooth low energy) protocol.
In the embodiment of the present invention, the connection of the bluetooth module has exclusivity, that is, after the connection between the single bluetooth module and the other single bluetooth module, the connection with other devices cannot be performed.
Taking the electric meter 21 as an example in the figure, the positioning function of the electric meter 21 is implemented by the bluetooth master 211, and the positioning function includes an energy detection function, that is, distance positioning is performed according to detected energy. Specifically, the energy detection function is implemented by using an RSSI (Received Signal Strength Indication) technique. The RSSI technology does not need extra hardware, can complete the analysis and processing of complex information, reduces the communication consumption, saves the cost and is very suitable for a positioning system of a wireless sensor network.
Continuing with the example of the electric meter 21, the positioning function of the electric meter 21 further includes an angle measurement function, i.e. performing an angle positioning according to the detected angle. Specifically, the Angle measurement function is implemented by using the AoA (Angle of Arrival) technique. With the AoA technique, the receiver uses the received plurality of signals to calculate the angle of the signal source. To implement the AoA method, the receiver must have at least two antennas (minimum separation of 6.2 cm), while the transmitter may have only one antenna. Therefore, in the embodiment of the present invention, the bluetooth module of the electric meter includes two or more antennas, i.e. a bluetooth antenna matrix; the bluetooth module of the circuit breaker comprises an antenna, namely a bluetooth single antenna.
The operation principle of the automatic association pairing system of the electricity meter and the circuit breaker is explained in detail below.
Fig. 2 is a flowchart of an automatic association pairing operation principle of an electricity meter and a circuit breaker according to the embodiment. The specific work flow of the embodiment of the present invention is described in detail below with reference to fig. 1 and 2.
The electric meter 21, the electric meter 22 … … and the electric meter 2n are installed in each subarea in the electric meter box 10, and meanwhile, each electric meter is connected with a circuit breaker, such as a circuit breaker 31, a circuit breaker 32 … … and a circuit breaker 3 n.
Step S1: all the electric meters (meter 21, meter 22 … …, meter 2n) in the electric meter box 10 are loaded with voltage, so that all the electric meters and the circuit breaker are simultaneously electrified and initialized.
Step S2: taking the electric meter 21 as an example, the bluetooth slave device 311 and the bluetooth slave device 321 … … in the circuit breaker 31 and the circuit breaker 32 … … circuit breaker 3n send signals to the master device 211, the bluetooth master device 211 scans peripheral devices to obtain device information, and receives the signals sent by the bluetooth slave device 311 and the bluetooth slave device 321 … … bluetooth slave device 3n 1.
Step S3: in the ammeter 21 bluetooth master 211 has the RSSI locate function, has located the nearest circuit breaker of distance and does circuit breaker 31, simultaneously bluetooth master 211 still possesses the AoA function, found with the ammeter 21 angle is 0 circuit breaker, combines the information that two location technologies gave, confirms only equipment circuit breaker 31 with the ammeter 21 matches, then pairs this moment successfully, ammeter 21 with circuit breaker 31 quits from pairing the mode, and then repeated execution step S2 to step S3, until all the ammeter reaches the circuit breaker pairs successfully.
Fig. 3 is a schematic view of the pairing process between an electricity meter and a circuit breaker according to an embodiment of the present invention. Wherein, A is an ammeter, and a is a circuit breaker connected with the ammeter A.
To sum up, the utility model discloses technical scheme under certain ammeter case overall arrangement, the many antenna matrix of device bluetooth in the ammeter, device bluetooth single antenna in the circuit breaker utilizes AoA/AoD location technique to confirm the angle, combines RSSI energy detection technique simultaneously, finds the circuit breaker nearest with the ammeter distance. Through the location between ammeter and the circuit breaker, realize the full-automatic of ammeter and circuit breaker and pair, the maximum degree is avoidd artifical manual mismatch hidden danger that pairs and probably bring, promotes simultaneously by a wide margin and pairs efficiency.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.
Claims (7)
1. An electricity meter and circuit breaker auto-association pairing system, comprising:
the electric meter box is internally provided with a plurality of partitions, and physical partitions are arranged among the partitions;
an electric meter is installed in each partition, and the electric meter is connected with a circuit breaker;
bluetooth modules are arranged in the ammeter and the circuit breaker; wherein the content of the first and second substances,
the electric meter Bluetooth module is configured as a Bluetooth master device, and the circuit breaker Bluetooth module is configured as a Bluetooth slave device;
the Bluetooth master device has a function of positioning the Bluetooth slave device.
2. The meter and circuit breaker auto-association pairing system of claim 1, wherein the meter bluetooth module comprises a bluetooth antenna matrix.
3. The meter and circuit breaker auto-association pairing system of claim 1, wherein the circuit breaker bluetooth module comprises a bluetooth single antenna.
4. The meter and circuit breaker auto-association pairing system of claim 1, wherein the function of locating comprises an energy detection function, and distance location is based on detected energy.
5. An electricity meter and circuit breaker auto-association pairing system as recited in claim 4, wherein the energy detection function is implemented using RSSI technology.
6. The meter and circuit breaker auto-association pairing system of claim 1, wherein the function of positioning comprises an angle measurement function, and wherein angular positioning is performed based on the detected angle.
7. An electricity meter and circuit breaker auto-associative pairing system according to claim 6, wherein said angle measurement function is implemented using AoA technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020049371.XU CN210807665U (en) | 2020-01-10 | 2020-01-10 | Automatic association pairing system for electric meter and circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020049371.XU CN210807665U (en) | 2020-01-10 | 2020-01-10 | Automatic association pairing system for electric meter and circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN210807665U true CN210807665U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020049371.XU Active CN210807665U (en) | 2020-01-10 | 2020-01-10 | Automatic association pairing system for electric meter and circuit breaker |
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- 2020-01-10 CN CN202020049371.XU patent/CN210807665U/en active Active
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Address after: 303, building 1, 608 shengxia Road, Pudong New Area, Shanghai, 201203 Patentee after: Fengjia Technology (Shanghai) Co.,Ltd. Address before: 303, building 1, 608 shengxia Road, Pudong New Area, Shanghai, 201203 Patentee before: PHYPLUS Inc. |