CN110687330A - Wireless intelligent electric meter and automatic connection method of circuit breaker - Google Patents
Wireless intelligent electric meter and automatic connection method of circuit breaker Download PDFInfo
- Publication number
- CN110687330A CN110687330A CN201911095872.XA CN201911095872A CN110687330A CN 110687330 A CN110687330 A CN 110687330A CN 201911095872 A CN201911095872 A CN 201911095872A CN 110687330 A CN110687330 A CN 110687330A
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- circuit breaker
- electric meter
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- circuit
- connection method
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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
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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
Abstract
The invention discloses a wireless intelligent ammeter and an automatic connection method of a circuit breaker, which comprises the following steps: step S1: the circuit breaker initiates current coding by using a preset coding circuit; step S2: the electric meter initiates a real-time synchronous communication instruction through a preset wireless module and synchronously starts the electric meter to acquire a current code from the circuit breaker; step S3: the wireless module of the electricity meter judges whether the current code from the circuit breaker meets a preset judgment standard, if the current code meets the judgment standard, step S4 is executed, otherwise, step S3 meets the judgment standard and step S4 is repeatedly executed. The invention discloses a wireless intelligent electric meter and an automatic connection method of a circuit breaker, which realize automatic pairing connection of the intelligent electric meter and a wireless circuit breaker behind the meter, and realize information transmission through current coding.
Description
Technical Field
The invention belongs to the technical field of matching of electric meters and circuit breakers, and particularly relates to a wireless intelligent electric meter and an automatic connection method of a circuit breaker.
Background
Disclosure No. CN103370716B entitled method and System for monitoring computer System integrity Using Power fingerprinting, which discloses "monitoring the execution of the program by sampling during its execution to track the processor's power consumption; using a platform characterization technique, the platform characterization technique further comprising detecting a portion of the trace that shows a greatest dependency on state transitions in the processor; using the portion to select the feature that carries the most information; obtaining a set of trusted power fingerprints for the program from a characterization of the selected features of the program contained in the portion; establishing a threshold for a particular false alarm rate based on a probability distribution of distances between the selected feature of the program and a signature consisting of the authentic power fingerprint; comparing the library of trusted power fingerprints to features extracted from a trace of execution of untrusted code; determine a distance between the trusted power fingerprint and the extracted feature ".
The applicant believes that although the invention patent mentioned above relates to the concept of "power fingerprint", the definition of "power fingerprint" in the invention patent is clearly different from the concept of "power fingerprint" disclosed in the invention patent. In other words, the source of the sampled information is "tracking the power consumption of the processor" in the above-mentioned invention patent. Meanwhile, on the basis of acquiring the sampling information, the process and the purpose of secondary processing of the sampling information are obviously different. In addition, the application scenario of the above invention patent is mainly used for "an external monitor can evaluate the execution integrity of a computer system", and obviously cannot be directly applied to connection communication between an electricity meter and a circuit breaker.
Besides, in the existing wireless intelligent electric energy meter and external circuit breaker wireless technology research, based on the bluetooth communication technology, the palm machine is required to be relied on to sweep the code respectively for the electric meter and the circuit breaker to pair. In an electric meter installation site, installation and assembly are generally carried out in a non-electric environment, code scanning pairing needs to be electrified, and the site environment has difficulty. In addition, field operation personnel need to use a palm machine to scan each pairing switch and ammeter respectively for code pairing, when a plurality of ammeters and breakers exist in an electric energy meter box with multiple meter positions, wrong scanning or wrong configuration is very easy, the whole pairing process needs to be completed for a long time, later-stage asset management also needs personnel to scan codes on the field for recording, and a great deal of inconvenience needs to be further improved.
Disclosure of Invention
Aiming at the situation of the prior art, the invention overcomes the defects and provides a wireless intelligent electric meter and an automatic connection method of a circuit breaker.
The invention discloses a wireless intelligent electric meter and an automatic connection method of a circuit breaker, and mainly aims to realize automatic pairing connection of the intelligent electric meter and a wireless circuit breaker behind the meter.
The invention discloses a wireless intelligent ammeter and an automatic connection method of a circuit breaker, and further aims to realize information transmission through current coding based on a current fingerprint technology.
The invention adopts the following technical scheme that the automatic connection method of the wireless intelligent electric meter and the circuit breaker comprises the following steps:
step S1: the circuit breaker initiates current coding by using a preset coding circuit;
step S2: the electric meter initiates a real-time synchronous communication instruction through a preset wireless module and synchronously starts the electric meter to acquire a current code from the circuit breaker;
step S3: the wireless module of the electric meter judges whether the current code from the circuit breaker meets a preset judgment standard, if the current code meets the judgment standard, the step S4 is executed, otherwise, the step S3 meets the judgment standard and the step S4 is executed repeatedly;
step S4: the electric meter completes a private pairing process based on the current code and the breaker;
step S5: the circuit breaker uploads a signature corresponding to the circuit breaker to the electricity meter based on a private pairing protocol.
According to the above technical solution, as a further preferable technical solution of the above technical solution, the wireless module is specifically implemented as a private bluetooth module.
According to the above technical solution, as a further preferable technical solution of the above technical solution, the feature mark includes, but is not limited to, an asset number, a specific address number (and other specific symbol marks).
According to the above-described aspect, as a more preferable aspect of the above-described aspect, the encoding circuit is embodied as a current encoding circuit.
According to the above technical solution, as a further preferable technical solution of the above technical solution, the current coding circuit includes a switch K1 and a load RL (i.e. a 1-bit stream) connected in series (it should be noted by those skilled in the art that in practical application, the current coding circuit should not be understood as being limited to only a 1-bit stream, but should be capable of being adaptively extended to a multi-bit stream).
According to the above technical solution, as a further preferred technical solution of the above technical solution, the load RL is specifically implemented as one of a resistor, a capacitor, an inductor, and a constant current circuit (it should be noted by those skilled in the art that in practical applications, the load RL may have various specific implementations without considering material cost and implementation difficulty).
According to the above technical solution, as a further preferable technical solution of the above technical solution, the method further includes step S0, and step S0 is located before step S1:
step S0: after the breaker and the intelligent electric meter are installed, a power-on test is carried out, and the switch-on to be tested is powered on through switch-on.
Drawings
FIG. 1 is a system block diagram of the present invention.
Detailed Description
The invention discloses a wireless intelligent electric meter and an automatic connection method of a circuit breaker, and the specific implementation mode of the invention is further described in combination with the preferred embodiment.
Referring to fig. 1 of the drawings, fig. 1 shows a system structure of the wireless smart meter and the automatic connection method of the circuit breaker.
It is worth mentioning that the wireless intelligent electric meter, the electric meter and the electric meter side which are related to the patent application are all the same concept, and the description is forbidden; the wireless circuit breaker behind the meter, the wireless circuit breaker, the circuit breaker side and the switch side related to the patent application are the same concept, and repeated explanation is forbidden.
It should be noted that the definition of the "current fingerprint" related to the present patent application refers to that information transmission is realized through current encoding.
Preferred embodiments.
Specifically, in the present patent application, the current fingerprint technique is implemented as follows: an encoding circuit, particularly a current encoding circuit, is arranged in a body of the circuit breaker to realize information transmission.
Preferably, the method for automatically connecting the wireless smart meter and the circuit breaker comprises the following steps:
step S1: the body of the breaker initiates current coding by using a preset coding circuit;
step S2: the electric meter initiates a real-time synchronous communication instruction through a preset wireless module and synchronously starts the electric meter to acquire a current code from the circuit breaker in real time;
step S3: the wireless module of the electric meter judges whether the current code from the circuit breaker meets a preset judgment standard, if the current code meets the judgment standard, the step S4 is executed, otherwise, the step S3 (the wireless module of the electric meter judges whether the current code from the circuit breaker meets the preset judgment standard) is repeatedly executed until the current code meets the judgment standard, and the step S4 is executed;
step S4: the electric meter completes a private pairing process based on the current codes (meeting the preset judgment standard) and the circuit breaker;
step S5: the circuit breaker uploads the feature marks corresponding to the circuit breaker to the ammeter based on a private pairing protocol, so that an automatic entry function of asset management under an unattended condition is achieved.
Wherein, the wireless module is preferably a private Bluetooth module.
The feature tag includes, but is not limited to, an asset number, a specific address number (and other specific symbolic tags).
Further, referring to fig. 1 of the drawings, in step S1, a preset encoding circuit is used for generating the current code, and the encoding circuit is embodied as: a current encoding circuit.
Wherein the current encoding circuit comprises a switch K1 and a load RL (i.e. a 1-bit stream, those skilled in the art should note that in practical application, it should not be understood as being limited to only a 1-bit stream, but should be capable of being adaptively extended to a multi-bit stream).
The load RL is implemented as one of a resistor, a capacitor, an inductor, and a constant current circuit (it should be noted by those skilled in the art that in practical applications, the load RL may have various specific implementations without considering material cost and implementation difficulty).
Further, in step S2, before the circuit breaker and the electric meter attempt to automatically connect, the circuit breaker and the main power line of the electric meter are already connected through a cable (i.e., main power line), the connection between the circuit breaker and the electric meter through the main power line is manually completed, the circuit breaker and the electric meter are not directly preset with the information that the circuit breaker and the electric meter are already connected, and it is required to confirm that the circuit breaker and the corresponding electric meter are on the same line and already connected through the interaction between the circuit breaker and the electric meter by using the method. Only like this, the current code that corresponds that circuit breaker on the power line originated can be received by the ammeter that corresponds (the current code that is produced by the circuit breaker can be transmitted to the ammeter through the main power line, and then is acquireed by the ammeter), and this current code is also analyzed to the synchronous private module of this ammeter. Only if the current code sent by the synchronous confirmation is completely consistent with the current code received by the wireless module on the intelligent electric meter, the circuit breaker and the intelligent electric meter are confirmed to be on the same line, then automatic private pairing is carried out, so that the automatic pairing of the circuit breaker and the wireless intelligent electric meter is realized, after the pairing is completed, the characteristic mark (such as an asset number/a specific address number) of the circuit breaker is uploaded to the electric meter through a private protocol, and therefore the automatic entry and the corresponding relation of asset management are realized.
Further, the method for automatically connecting the wireless smart meter and the circuit breaker further comprises a step S0, wherein the step S0 is before the step S1:
step S0: after the circuit breaker and the intelligent electric meter are installed, a power-on test is carried out, and the circuit breaker and the intelligent electric meter are powered on through closing to be tested (both the circuit breaker and the intelligent electric meter are powered on).
It should be noted that the technical features of the electric meter, the circuit breaker, the specific type of the switch K1, and the like, which are referred to in the present patent application, should be regarded as the prior art, and the specific structure, the operation principle, and the control mode and the spatial arrangement mode, which may be referred to, of the technical features should be adopted by the conventional selection in the field, and should not be regarded as the invention point of the present patent, and the present patent is not further specifically described in detail.
It will be apparent to those skilled in the art that modifications and equivalents may be made in the embodiments and/or portions thereof without departing from the spirit and scope of the present invention.
Claims (6)
1. A wireless intelligent electric meter and a circuit breaker automatic connection method are characterized by comprising the following steps:
step S1: the circuit breaker initiates current coding by using a preset coding circuit;
step S2: the electric meter initiates a real-time synchronous communication instruction through a preset wireless module and synchronously starts the electric meter to acquire a current code from the circuit breaker;
step S3: the wireless module of the electric meter judges whether the current code from the circuit breaker meets a preset judgment standard, if the current code meets the judgment standard, the step S4 is executed, otherwise, the step S3 meets the judgment standard and the step S4 is executed repeatedly;
step S4: the electric meter completes a private pairing process based on the current code and the breaker;
step S5: the circuit breaker uploads a signature corresponding to the circuit breaker to the electricity meter based on a private pairing protocol.
2. The wireless smart meter and the automatic connection method for circuit breaker according to claim 1, wherein the wireless module is implemented as a private bluetooth module.
3. The wireless smart meter and automatic circuit breaker connection method according to claim 1, wherein the signature includes an asset number and a specific address number.
4. The wireless smart meter and the automatic connection method for circuit breakers of claim 1, wherein the encoding circuit is implemented as a current encoding circuit.
5. The wireless smart meter and the automatic connection method of the circuit breaker as claimed in claim 4, wherein the current encoding circuit comprises a switch K1 and a load RL connected in series.
6. The wireless smart meter and the automatic connection method of circuit breaker according to claim 5,
the load RL is embodied as one of a resistor, a capacitor, an inductor, and a constant current circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911095872.XA CN110687330A (en) | 2019-11-11 | 2019-11-11 | Wireless intelligent electric meter and automatic connection method of circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911095872.XA CN110687330A (en) | 2019-11-11 | 2019-11-11 | Wireless intelligent electric meter and automatic connection method of circuit breaker |
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| CN110687330A true CN110687330A (en) | 2020-01-14 |
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| CN201911095872.XA Pending CN110687330A (en) | 2019-11-11 | 2019-11-11 | Wireless intelligent electric meter and automatic connection method of circuit breaker |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111263342A (en) * | 2020-02-13 | 2020-06-09 | 宁波迦南智能电气股份有限公司 | Automatic pairing method for Bluetooth circuit breaker and electric energy meter |
| CN111263341A (en) * | 2020-01-17 | 2020-06-09 | 悦动智能电器有限公司 | Automatic pairing method for Bluetooth circuit breaker and electric energy meter |
| CN111263340A (en) * | 2020-01-17 | 2020-06-09 | 悦动智能电器有限公司 | Automatic pairing method for Bluetooth circuit breaker and electric energy meter |
| CN111751588A (en) * | 2020-06-18 | 2020-10-09 | 浙江巨磁智能技术有限公司 | Automatic pairing method for on-meter switches |
| CN113162657A (en) * | 2020-11-30 | 2021-07-23 | 中国电力科学研究院有限公司 | Method and system for carrying out communication pairing on electric energy meter and circuit breaker |
| CN113791264A (en) * | 2021-09-08 | 2021-12-14 | 宁波迦南智能电气股份有限公司 | Encoding and decoding method based on external switch current of electric energy meter |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111263341A (en) * | 2020-01-17 | 2020-06-09 | 悦动智能电器有限公司 | Automatic pairing method for Bluetooth circuit breaker and electric energy meter |
| CN111263340A (en) * | 2020-01-17 | 2020-06-09 | 悦动智能电器有限公司 | Automatic pairing method for Bluetooth circuit breaker and electric energy meter |
| CN111263340B (en) * | 2020-01-17 | 2023-08-04 | 悦动智能电器有限公司 | Automatic pairing method for Bluetooth circuit breaker and electric energy meter |
| CN111263341B (en) * | 2020-01-17 | 2023-08-04 | 悦动智能电器有限公司 | Automatic pairing method for Bluetooth circuit breaker and electric energy meter |
| CN111263342A (en) * | 2020-02-13 | 2020-06-09 | 宁波迦南智能电气股份有限公司 | Automatic pairing method for Bluetooth circuit breaker and electric energy meter |
| CN111263342B (en) * | 2020-02-13 | 2023-05-26 | 宁波迦南智能电气股份有限公司 | Automatic pairing method for Bluetooth circuit breaker and electric energy meter |
| CN111751588A (en) * | 2020-06-18 | 2020-10-09 | 浙江巨磁智能技术有限公司 | Automatic pairing method for on-meter switches |
| CN111751588B (en) * | 2020-06-18 | 2022-10-11 | 浙江巨磁智能技术有限公司 | Automatic pairing method for on-meter switches |
| CN113162657A (en) * | 2020-11-30 | 2021-07-23 | 中国电力科学研究院有限公司 | Method and system for carrying out communication pairing on electric energy meter and circuit breaker |
| CN113791264A (en) * | 2021-09-08 | 2021-12-14 | 宁波迦南智能电气股份有限公司 | Encoding and decoding method based on external switch current of electric energy meter |
| CN113791264B (en) * | 2021-09-08 | 2022-08-16 | 宁波迦南智能电气股份有限公司 | Encoding and decoding method based on external switch current of electric energy meter |
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Application publication date: 20200114 |
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