CN114221323A - Intelligent switching device and method for residential community residential electricity standby electric meter - Google Patents
Intelligent switching device and method for residential community residential electricity standby electric meter Download PDFInfo
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- CN114221323A CN114221323A CN202111315201.7A CN202111315201A CN114221323A CN 114221323 A CN114221323 A CN 114221323A CN 202111315201 A CN202111315201 A CN 202111315201A CN 114221323 A CN114221323 A CN 114221323A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
- H02J3/0073—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources for providing alternative feeding paths between load and source when the main path fails, e.g. transformers, busbars
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The invention discloses an intelligent switching device for residential electricity standby meters in residential districts, which comprises: the wireless intelligent metering box comprises a metering box module, a connecting module, an acquisition module, a logic module, a switching module and a wireless module, wherein the metering box module is electrically connected with the connecting module, the switching module is electrically connected with the logic module and the metering box module, the acquisition module is arranged in the connecting module and the metering box module, and the logic module is electrically connected with the acquisition module and the wireless module. The standby electric energy meter and the automatic switching device are arranged in the centralized metering box, so that the standby electric energy meter is automatically switched to after a user has power failure due to the electric energy meter failure, the function of quickly recovering the power supply of the user is realized, and the failure information is transmitted to the computer.
Description
Technical Field
The invention relates to the technical field of power grid fault diagnosis, in particular to an intelligent switching device and method for a residential community residential electricity standby electric meter.
Background
The low-pressure metering box is used for the important task of electricity metering and charging and needs to be continuously and stably operated. Because the field environment is complex, the low-voltage metering box is influenced by long-term severe temperature and humidity changes, thunder, power grid fluctuation, electromagnetic interference and the like, and the low-voltage metering box inevitably breaks down under the influence of external environment and load factors, so that the maintenance cost is increased, the repair rate of a user dialing 95598 hotline telephone is increased, and the income performance of staff of a base-level power supply station is indirectly influenced. In China, hundreds of millions of power users exist, the number of low-voltage metering boxes is large, in recent years, with the construction of national law society, the awareness of the right of people is gradually improved, the power consumption is further supervised, and the fault diagnosis of a power grid company aiming at the low-voltage metering boxes is also urgently needed to be enhanced. .
At present, in urban residential districts in China, a metering device for low-voltage electricity consumption of residents generally adopts a centralized metering box, the specific form is that the centralized metering box is generally installed in a unit corridor, and an electric energy meter of each family in the unit corridor is respectively installed in the centralized metering box. When the reason of power failure does not belong to external line power failure and internal line fault, according to the experience of salvage in the past year and judge, 90% trouble power failure reason is that the electric energy meter burns out and arouses, because the cable only adopts the screw rotatory fixed with the contact department of electric energy meter, exists metal contact surface oxidation, not hard up after long-term the use, and then generates heat and causes the electric energy meter to burn out.
For example, an "automatic switching detection device for an electric energy meter" disclosed in chinese patent literature has a publication number: CN103513215A, filing date thereof: 6 month 27 days 2012, can realize the timing and the check-up and the withstand voltage test of precision on this detection device to the automatic switch-over between the timing and the check-up and the withstand voltage test of precision is realized to a plurality of circuit breakers of accessible single chip microcomputer control, but has the electric energy meter trouble to cause the user to have a power failure after, realizes the function of quick recovery user power supply.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an intelligent switching device and method for a residential community electricity standby electric meter, wherein a standby electric energy meter and a set of automatic switching device are installed in a centralized metering box, the standby electric energy meter is automatically switched to after a user has power failure due to the failure of the electric energy meter, the function of quickly recovering the power supply of the user is realized, and the failure information is transmitted to a computer of a rush-repair management department of a power supply company.
The invention discloses an intelligent switching device of a residential community residential electricity standby electric meter, which comprises the following parts: the wireless intelligent metering box comprises a metering box module, a connecting module, an acquisition module, a logic module, a switching module and a wireless module, wherein the metering box module is electrically connected with the connecting module, the switching module is electrically connected with the logic module and the metering box module, the acquisition module is arranged in the connecting module and the metering box module, and the logic module is electrically connected with the acquisition module and the wireless module.
Preferably, the connection module comprises a power supply access end and a power supply output end, the power supply access end is electrically connected with the access side wiring of the metering box module, and the power supply output end is electrically connected with the output side wiring of the metering box module
As preferred, the measurement box module includes a plurality of electric energy meters, reserve electric energy meter and strapping table, electric energy meter and reserve electric energy meter electricity connection power incoming end and strapping table, power output is connected to the strapping table electricity, the switching module is connected to reserve electric energy meter electricity.
Preferably, the acquisition module includes first sensor, second sensor and third sensor, first sensor sets up in power incoming end, the second sensor sets up in the strapping table, the third sensor sets up in power output end, logic module is connected to first sensor, second sensor and third sensor electricity.
Preferably, the wireless module is electrically connected with the logic module, and the wireless module transmits data to the computer end by using DSP technology and radio technology.
Preferably, the standby electric energy meter is electrically connected with all internal lines of the users.
Preferably, the standby electric energy meter is in an off state, and only when the switching module works, the internal circuit of the corresponding fault user is switched on to temporarily supply power to the fault user.
Preferably, the acquisition module is a hall sensor. The Hall sensor model is VSM series.
Preferably, the logic module judges the type of the circuit fault: when the first sensor, the second sensor and the third sensor are detected to completely return no-power signals, the fault is judged to be an external line fault; when no electric signals of the second sensor and the third sensor are detected, judging that the fault is the fault of the electric energy meter; when only the third sensor is detected to have no electrical signal, judging that the fault is an internal line fault of the user; and when detecting the non-electrical signals of other combination modes of the acquisition module, judging that the fault indicator has a fault.
Preferably, the intelligent switching method for the residential community residential electricity standby electric meter comprises the following steps:
s1: the acquisition module acquires circuit fault information and transmits the circuit fault information to the logic module;
s2: the logic module judges the type of the circuit fault: when the first sensor, the second sensor and the third sensor are detected to completely return no-power signals, the fault is judged to be an external line fault; when no electric signals of the second sensor and the third sensor are detected, judging that the fault is the fault of the electric energy meter; when only the third sensor is detected to have no electrical signal, judging that the fault is an internal line fault of the user; when detecting the non-electrical signals of other combination modes of the acquisition module, judging that the fault indicator has a fault;
s3: transmitting the circuit fault type to a computer of a first-aid repair management department of a power supply company through a wireless module;
s4: if the fault is the fault of the electric energy meter, transmitting the fault type to a switching module;
s5: and the switching module cuts off the corresponding fault electric energy meter line, switches the corresponding fault electric energy meter line to the standby electric energy meter line and recovers the power supply of the user. The invention has the beneficial effects that: the standby electric energy meter and the automatic switching device are arranged in the centralized metering box, so that the standby electric energy meter is automatically switched to after a user has power failure due to the electric energy meter failure, the function of quickly recovering the power supply of the user is realized, and the failure information is transmitted to a computer of a rush-repair management department of a power supply company.
Drawings
Fig. 1 is a structural diagram of an intelligent switching device for residential electricity standby meters in a residential community.
FIG. 2 is a circuit switching diagram of an intelligent switching device for residential electric energy meter in residential district.
FIG. 3 is a logic block diagram of an intelligent switching device for residential electric utility meters in a residential area.
FIG. 4 is a circuit diagram of a logic module of an intelligent switching device for residential electricity consumption standby meters in a residential area.
In the figure, 1-a wireless module, 2-a logic module, 3-a switching module, 4-a third sensor, 5-a power supply output end, 6-a meter, 7-a second sensor, 8-a standby electric energy meter, 9-an electric energy meter, 10-a first sensor and 11-a power supply access end.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In addition, numerous specific details are set forth below in order to provide a better understanding of the present invention. It will be understood by those skilled in the art that the present invention may be practiced without some of these specific details. In some instances, methods, instrumentalities well known to those skilled in the art have not been described in detail in order to not unnecessarily obscure the present invention.
Example (b): as shown in fig. 1, an intelligent switching device for residential electric energy meter for residential district comprises: the wireless intelligent metering box comprises a metering box module, a connecting module, an acquisition module, a logic module 2, a switching module 3 and a wireless module 1, wherein the metering box module is electrically connected with the connecting module, the switching module 3 is electrically connected with the logic module 2 and the metering box module, the acquisition module is arranged in the connecting module and the metering box module, and the logic module 2 is electrically connected with the acquisition module and the wireless module 1.
In this embodiment, the connection module includes a power input end 11 and a power output end 5, the power input end 11 is electrically connected to the connection line of the input side of the metering box module, and the power output end 5 is electrically connected to the connection line of the output side of the metering box module
In this embodiment, the metering box module includes a plurality of electric energy meters 9, reserve electric energy meter 8 and strapping table 6, and electric energy meter 9 and 8 electric connection power incoming end 11 of reserve electric energy meter and strapping table 6, 6 electric connection power output 5 of strapping table, 8 electric connection switching module 3 of reserve electric energy meter.
In this embodiment, the acquisition module includes first sensor 10, second sensor 7 and third sensor 4, and first sensor 10 sets up in power incoming end 11, and second sensor 7 sets up in strapping table 6, and third sensor 4 sets up in power output 5, and logic module 2 is connected to first sensor 10, second sensor 7 and third sensor 4 electricity.
In this embodiment, the wireless module 1 is electrically connected to the logic module 2, the wireless module 1 transmits data to a computer end by using a Digital Signal Processing (DSP) technology and a radio technology, and the computer end is provided in the power supply company and may also transmit data by using signals of the internet of things.
In this embodiment, the standby electric energy meter 8 is electrically connected to all the internal lines of the user, and in general, the standby electric energy meter is in a disconnected state and is powered by the corresponding electric energy meter.
In this embodiment, the standby electric energy meter 8 is in an off state, and when the user electric energy meter fails, the switching module 3 operates, and the standby electric energy meter is connected to the internal circuit of the corresponding failed user to temporarily supply power to the failed user.
In this embodiment, the wireless module 1 is suitable for a 3G, 4G, or 5G network.
In this embodiment, the standby electric energy meter 8 and the electric energy meter 9 are three electric meters with the same model. The wire is a 10 square copper core wire.
In this embodiment, the collection module is a hall sensor. The Hall sensor model is VSM series.
In this embodiment, the first sensor 10, the second sensor 7, and the third sensor 4 monitor corresponding power supply lines of the user, respectively.
In this embodiment, during the fault of the electric energy meter 9, the standby electric energy meter 8 records the initial degree and the used electricity degree.
In this embodiment, as shown in fig. 1 and 3, the logic module 2 determines the type of the circuit fault: when detecting that all the first sensor 10, the second sensor 7 and the third sensor 4 return no-power signals, judging that the fault is an external line fault; when no electric signals of the second sensor 7 and the third sensor 4 are detected, judging that the fault is a fault of the electric energy meter 9; when only the third sensor 4 is detected to have no electrical signal, the fault is judged to be an internal line fault of the user; and when detecting the non-electrical signals of other combination modes of the acquisition module, judging that the fault indicator has a fault.
In this embodiment, the electric energy meters 9 and the standby electric energy meters 8 corresponding to the number of the users need to be installed, the electric energy meters 9 are wired conventionally, the lines of the standby electric energy meters 8 can be connected with all the internal lines of the users, and are in an off state at ordinary times, and only when the switching module 3 works, the internal lines of the corresponding users with faults are connected to temporarily supply power to the users with faults.
In this embodiment, collection module divide into three group's sensors, installs respectively in the power of batch meter access side wiring department, the inside strapping table of batch meter 6 department, batch meter output side wiring department, and this cubic sensor can correspond three kinds of fault types of response external line trouble, batch meter own trouble, user internal line trouble.
In this embodiment, the logic module 2 cooperates with the output signal of the acquisition module sensor, and only a simple circuit loop is needed to complete logic judgment and output a judgment result: when detecting that all the first sensor 10, the second sensor 7 and the third sensor 4 return no-power signals, judging that the fault is an external line fault; when no electric signals of the second sensor 7 and the third sensor 4 are detected, judging that the fault is a fault of the electric energy meter 9; when only the third sensor 4 is detected to have no electrical signal, the fault is judged to be an internal line fault of the user; and when detecting the non-electrical signals of other combination modes of the acquisition module, judging that the fault indicator has a fault.
In this embodiment, as shown in fig. 2 and 4, only when the switching module 3 receives the fault signal of the electric energy meter 9 output by the logic module 2, the switching module 3 starts to operate, cuts off the line of the electric energy meter 9 corresponding to the fault, and switches to the line of the standby electric energy meter 8, so as to recover the power supply of the user.
In this embodiment, the wireless module 1 sends the fault information to the affiliated power supply company and repairs the management department, and the repair personnel manually switch back to the electric energy meter 9 to supply power after going to the door and replacing the new electric energy meter 9.
In this embodiment, as shown in fig. 1 and 4, the circuit to be tested is connected to the first sensor 10, the second sensor 7 and the third sensor 4, and the connection manner of the internal elements of the sensors is as follows: the signal device H is connected with the anode of the amplifier A1, the anode of the triode VT1 and the anode of the amplifier A2, the amplifier A1 is sequentially connected with a 51 kiloohm resistor, a 50 kiloohm resistor RP1, a 51 kiloohm resistor and a triode VT1, wherein the resistor RP1 is connected with the signal device H and the amplifier A2, one end of the triode VT1 is connected with a 100 ohm resistor, the two ends of the 2 kiloohm resistor RP3 are connected with a 100 ohm resistor and 15 volt voltage, the other end of the triode VT1 is connected with a connection line of the 910 ohm resistor and a diode, the diode is connected with 15 volt voltage, the cathode of the amplifier A2 is connected with a1 kiloohm resistor, one end of the 20 kiloohm resistor RP2 is connected with the cathode of the amplifier A2 and the connection line of the 1 kiloohm resistor, the other end of the amplifier A2 is connected with the 1 kiloohm resistor, and the output signal of the amplifier A2.
The specific implementation scheme is as follows: as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the electric energy meters 9 and one standby electric energy meter 8 corresponding to the number of users are installed, the electric energy meters 9 are wired conventionally, and the lines of the standby electric energy meter 8 can be connected with all the internal lines of the users and are in a disconnected state at ordinary times; the acquisition module acquires circuit fault information and transmits the circuit fault information to the logic module 2; the logic module 2 judges the type of the circuit fault: when detecting that all the first sensor 10, the second sensor 7 and the third sensor 4 return no-power signals, judging that the fault is an external line fault; when no electric signals of the second sensor 7 and the third sensor 4 are detected, the fault is judged to be the fault of the electric energy meter 9, and when the fault of the electric energy meter 9 occurs, the power supply of the internal circuit of the fault user corresponding to the electric energy meter 9 is stopped; when only the third sensor 4 is detected to have no electrical signal, the fault is judged to be an internal line fault of the user; when detecting the non-electrical signals of other combination modes of the acquisition module, judging that the fault indicator has a fault; the circuit fault type is transmitted to a computer of a first-aid repair management department of a power supply company through a wireless module 1; if the fault is the fault of the electric energy meter 9, the fault type is transmitted to the switching module 3; the switching module 3 cuts off the corresponding fault electric energy meter 9 line, the corresponding fault user internal line is switched to the standby electric energy meter 8 line, and the user power supply is recovered.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a residential district resident electricity consumption reserve ammeter intelligent switching control equipment which characterized in that includes: the wireless intelligent metering box comprises a metering box module, a connecting module, an acquisition module, a logic module, a switching module and a wireless module, wherein the metering box module is electrically connected with the connecting module, the switching module is electrically connected with the logic module and the metering box module, the acquisition module is arranged in the connecting module and the metering box module, and the logic module is electrically connected with the acquisition module and the wireless module.
2. The intelligent switching device for the residential community residential electricity standby electric meter according to claim 1, wherein the connection module comprises a power supply access end and a power supply output end, the power supply access end is electrically connected with an access side wiring of the metering box module, and the power supply output end is electrically connected with an output side wiring of the metering box module.
3. The intelligent switching device for the standby electric energy meter for the residents of the residential quarter as claimed in claim 2, wherein the metering box module comprises a plurality of electric energy meters, the standby electric energy meter and the metering meter, the electric energy meters and the standby electric energy meter are electrically connected with the power supply access end and the metering meter, the metering meter is electrically connected with the power supply output end, and the standby electric energy meter is electrically connected with the switching module.
4. The intelligent switching device for the residential community residential electricity standby electric meter according to claim 3, wherein the collection module comprises a first sensor, a second sensor and a third sensor, the first sensor is arranged at a power supply access end, the second sensor is arranged at a meter, the third sensor is arranged at a power supply output end, and the first sensor, the second sensor and the third sensor are electrically connected with the logic module.
5. The intelligent switching device for the residential community electricity consumption standby electric meter according to claim 1 or 4, characterized in that the wireless module is electrically connected with the logic module, and the wireless module uses DSP technology and radio technology.
6. The intelligent switching device of the electric energy meter for the residents of the residential quarter as claimed in claim 3, wherein the electric energy meter for the residents is electrically connected with all internal lines of the users.
7. The intelligent switching device for the standby electric energy meter for the residents of the residential quarter as claimed in claim 3, wherein the standby electric energy meter is in an off state, and only when the switching module works, the internal circuit of the corresponding fault user is connected to temporarily supply power to the fault user.
8. The intelligent switching device of the electric standby meters for the residents of the residential quarter as claimed in claim 1 or 4, wherein the collection modules are Hall sensors and respectively monitor corresponding user power supply lines.
9. The intelligent switching device for the electric standby meters for the residents of the residential quarter as claimed in claim 1 or 4, wherein the logic module judges the types of the circuit faults, and the types of the circuit faults are divided into four types; external line faults, electric energy meter faults, internal line faults and indicator faults.
10. An intelligent switching method of the residential community residential electricity standby meter, which is suitable for the intelligent switching device of the residential community residential electricity standby meter according to any one of claims 1 to 9, and is characterized by comprising the following steps:
s1: the acquisition module acquires circuit fault information and transmits the circuit fault information to the logic module;
s2: the logic module judges the type of the circuit fault:
when the first sensor, the second sensor and the third sensor are detected to completely return no-power signals, the fault is judged to be an external line fault;
when no electric signals of the second sensor and the third sensor are detected, judging that the fault is the fault of the electric energy meter;
when only the third sensor is detected to have no electrical signal, judging that the fault is an internal line fault of the user;
when detecting the non-electrical signals of other combination modes of the acquisition module, judging that the fault indicator has a fault;
s3: transmitting the circuit fault type to a computer of a first-aid repair management department of a power supply company through a wireless module;
s4: if the fault is the fault of the electric energy meter, transmitting the fault type to a switching module;
s5: and the switching module cuts off the corresponding fault electric energy meter line, switches the corresponding fault electric energy meter line to the standby electric energy meter line and recovers the power supply of the user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111315201.7A CN114221323A (en) | 2021-11-08 | 2021-11-08 | Intelligent switching device and method for residential community residential electricity standby electric meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111315201.7A CN114221323A (en) | 2021-11-08 | 2021-11-08 | Intelligent switching device and method for residential community residential electricity standby electric meter |
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| CN114221323A true CN114221323A (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111315201.7A Pending CN114221323A (en) | 2021-11-08 | 2021-11-08 | Intelligent switching device and method for residential community residential electricity standby electric meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115877313A (en) * | 2023-02-13 | 2023-03-31 | 山东省计量科学研究院 | Power metering detection system |
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2021
- 2021-11-08 CN CN202111315201.7A patent/CN114221323A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115877313A (en) * | 2023-02-13 | 2023-03-31 | 山东省计量科学研究院 | Power metering detection system |
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