CN209841990U - Non-household electric energy meter serial-household checking instrument based on PLC communication technology - Google Patents
Non-household electric energy meter serial-household checking instrument based on PLC communication technology Download PDFInfo
- Publication number
- CN209841990U CN209841990U CN201920494942.8U CN201920494942U CN209841990U CN 209841990 U CN209841990 U CN 209841990U CN 201920494942 U CN201920494942 U CN 201920494942U CN 209841990 U CN209841990 U CN 209841990U
- Authority
- CN
- China
- Prior art keywords
- circuit
- signal
- electric energy
- energy meter
- household
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model provides a non-entry formula electric energy meter cluster check appearance based on PLC communication technology, this check appearance comprises host computer and check appearance from two parts, host computer internal signal produces the message signal, and utilize message signal feed-in to electric power line, utilize PLC communication technology to transmit to the resident family, the check appearance utilizes inside receiving antenna to receive electric power line radiation signal at the resident family gate from the machine, and filter signal frequency, ensure not have other interference signal to sneak into the circuit, through analyzing the signal message that receives, can judge the corresponding relation between electric energy meter and the resident family.
Description
Technical Field
The utility model relates to an electricity consumption detects technical field, specifically is a non-formula electric energy meter of registering one's residence formation of a family investigation appearance based on PLC communication technology.
Background
The resident building user is more, and a plurality of electric energy meters are in same electric well, and in the power consumption installation wiring process, because there is certain distance between electric energy meter and the resident, and the power line generally all lays inside the wall body, receives the influence of artificial factor, can appear the phenomenon on the house lead-in line that electric energy meter A's circuit was received resident B, lead to electric energy meter and resident to correspond the problem that the mistake appears, experience the electricity consumption of resident and caused harmful effects.
In order to solve the problems, ensure the one-to-one correspondence between the electric energy meters and the residents and improve the power supply quality, at present, two modes are mainly adopted to carry out the troubleshooting of the electric energy meters for the residents, one mode is to carry out the judgment by simply tripping a load switch or increasing the power load, the method seriously influences the normal power consumption of the residents or increases the power charge, and the unnecessary power supply and utilization dispute is easily caused; the other method is that the detection equipment is simultaneously installed in the electric energy meter and the house, and the electric energy meter is checked by judging the connection relation between the detection equipment. Therefore, a non-household electric energy meter missort checking instrument is needed to be researched, and the problem of missort of the electric energy meter is accurately checked on the premise that the electricity and daily life of residents are not affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a non-formula electric energy meter of registering one's residence investigation appearance based on PLC communication technology, its effect is under the prerequisite that does not influence the resident family electricity commonly used and daily life, and the electric energy meter problem of registering one's residence is accurately investigated out.
The technical scheme of the utility model:
a non-household electric energy meter serial-household checking instrument based on PLC communication technology comprises a checking instrument host connected to a single electric energy meter and a checking instrument slave used for detecting radiation signals at a user side, wherein the checking instrument host comprises a message signal generating circuit, a signal processing circuit, a signal feed network circuit, a wave resistance circuit and a power taking circuit, the checking instrument slave comprises a main control chip, a receiving antenna, a frequency-selecting amplifying circuit, a signal analyzing circuit, a data storage circuit and a power supply circuit,
the electricity taking circuit is connected with the ammeter and used for obtaining a working power supply from an ammeter end, and the message signal generating circuit freely compiles a message according to the requirement of an inspector so as to prevent the inspector from detecting false signals during detection of a slave computer;
the signal processing circuit converts the message generated by the message signal generating circuit into an analog signal, conditions the analog signal, and filters a high-frequency image brought by a sampling clock, so that the waveform quality is better, and a detection signal for checking the electric energy meter crosstalk is obtained;
the signal feed network circuit feeds the detection signal generated by the signal processing circuit into a household power line and transmits the detection signal to a household by utilizing a PLC communication technology;
the wave resistance circuit adopts an electromagnetic wave resistance circuit, and consumes signals which are connected in series with a large power grid in a resistance energy consumption mode by utilizing magnetoelectric conversion, so that the interference of detection signals on power grid communication is prevented;
after the inspectors arrive at the designated place, the main control chip starts to start the receiving antenna to detect the radiation signal;
the receiving antenna is used for controlling and measuring a detection signal transmitted to a resident by the host computer of the troubleshooting instrument through a PLC communication technology, and the detection signal can radiate to the space at the vacant position of the resident;
the frequency-selecting amplifying circuit amplifies the signal detected by the receiving antenna, so that other interference signals cannot be mixed into the circuit;
the signal analysis circuit adopts a message identification mechanism to ensure the uniqueness of a target signal in a PLC communication signal;
the data storage circuit stores the data of the signal analysis circuit and the checking result of the slave computer of the checking instrument;
and the power supply circuit adopts a high-capacity lithium battery to supply power to the slave machine of the troubleshooting instrument.
The message signal generating circuit is realized by a Serpentine Spartan series FPGA programmable chip arranged in a host computer of the troubleshooting instrument.
The main control chip adopts a TCC081F carrier chip.
The slave computer of the inspection instrument further comprises a support for supporting the annular receiving antenna, the support is connected with the slave computer body into a whole, the slave computer body is respectively provided with a display screen and a handheld grip, and the master control chip, the frequency-selecting amplifying circuit, the signal analyzing circuit, the data storage circuit and the power supply circuit are all arranged in the slave computer body.
Compared with the prior art, the beneficial effects of the utility model are that: the investigation appearance host computer can freely compile the message and set up the carrier frequency according to the investigation personnel wish, and the investigation appearance is followed the radiation signal that can detect the resident side and is carried out the frequency selection filtering, selects the carrier signal that the investigation appearance host computer set up of discharging, prevents the influence of interfering signal in the power line to the investigation result, has adopted message identification mechanism simultaneously, and this utility model discloses the investigation that can be accurate goes out electric energy meter cross family problem, and simple structure, very is applicable to the power consumption and detects.
Drawings
Fig. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic diagram of the circuit principle of the host of the inspection instrument of the present invention;
FIG. 3 is a schematic diagram of the principle of the slave computer circuit of the inspection instrument of the present invention;
fig. 4 is a schematic view of the structure of the inspection instrument of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
referring to fig. 1, a non-home electric energy meter serial-household checking instrument based on a PLC communication technology includes a checking instrument host 1 connected to a single electric energy meter and a checking instrument slave 2 for detecting a radiation signal at a user side, where the checking instrument host 1 includes a message signal generating circuit 11, a signal processing circuit 12, a signal feed network circuit 14, a wave resistance circuit 13 and a power supply circuit 10, the checking instrument slave 2 includes a main control chip 22, a receiving antenna 20, a frequency selection amplifying circuit 21, a signal analyzing circuit 25, a data storage circuit 23 and a power supply circuit 24,
the electricity taking circuit 10 is connected with an ammeter and used for obtaining a working power supply from an ammeter end, and the message signal generating circuit 11 freely compiles a message according to the requirement of an inspector so as to prevent the inspector from detecting false signals during detection of a slave computer;
the signal processing circuit 12 converts the message generated by the message signal generating circuit 11 into an analog signal, conditions the analog signal, and filters out a high-frequency image brought by a sampling clock, so that the waveform quality is better, and a detection signal for checking the electric energy meter crosstalk is obtained;
the signal feed network circuit 14 feeds the detection signal generated by the signal processing circuit 12 into a household power line, and transmits the detection signal to a household by utilizing a PLC communication technology;
the wave resistance circuit 13 adopts an electromagnetic wave resistance circuit, consumes signals which are connected in series with a large power grid in a resistance energy consumption mode by utilizing magnetoelectric conversion, and prevents detection signals from interfering with power grid communication;
after the inspectors arrive at the designated place, the main control chip 22 starts the receiving antenna 20 to detect the radiation signal;
the receiving antenna 20 is used for controlling the detection signal transmitted to the resident by the host computer 1 through the PLC communication technology, and the detection signal can radiate to the space at the vacant position of the resident;
the frequency-selecting amplifying circuit 21 amplifies the signal detected by the receiving antenna 20, so that other interference signals cannot be mixed into the circuit;
the signal analysis circuit 25 adopts a message identification mechanism to ensure the uniqueness of a target signal in a PLC communication signal;
the data storage circuit 23 stores the data of the signal analysis circuit 25 and the checking result of the slave computer 2 of the checking instrument;
the power supply circuit 24 adopts a high-capacity lithium battery to supply power to the slave machine 2 of the troubleshooting instrument. The 4V battery power supply is changed into +3.3V, +5V, +10V through the step-up and step-down voltage, and power is supplied to each hardware module.
The message signal generating circuit 11 is implemented by a seling Spartan series FPGA programmable chip arranged in the troubleshooting instrument host 1.
The main control chip 22 adopts a TCC081F carrier chip.
Referring to fig. 4, the slave 2 of the inspection apparatus further includes a bracket 26 for supporting the loop receiving antenna 20, the bracket 26 is connected with the slave body 27 into a whole, the slave body 27 is respectively provided with a display screen 28 and a handheld handle 29, and the main control chip 22, the frequency selection amplifying circuit 21, the signal analyzing circuit 25, the data storage circuit 23 and the power supply circuit 24 are all installed in the slave body 27.
Take the investigation of the cross-family between n households in a certain residential building and the electric energy meter as an example, it is right that the utility model discloses non-entry type electric energy meter cross-family investigation appearance concrete implementation based on PLC communication technology explains. The electric energy meter serial-household checking instrument comprises the following implementation steps:
the method comprises the following steps: according to the figure 1, a host machine of the troubleshooting instrument is connected to an outlet end of an electric energy meter 1 of an electric energy meter residential building;
step two: the electricity taking circuit of the inspection instrument host supplies electricity to the inspection instrument host from the electricity taking of the power grid;
step three: the inspectors compile messages according to own wishes and set the frequency of the carrier detection signal;
step four: the carrier detection signal communication signal feed network circuit feeds into the outlet end of the electric energy meter 1;
step five: the host wave-blocking circuit of the investigation instrument is connected with the power outlet 1 outlet terminal to prevent the carrier detection signal from feeding into a large power grid to interfere the power grid communication;
step six: the carrier detection signal transmits a signal to the home of a household by utilizing a PLC communication technology, and generates signal radiation at an indoor air switch;
step seven: the troubleshooting personnel sets the troubleshooting slave machine out of the door of the resident 1 as a signal detection mode;
step eight: the detector detects radiation signals from a receiving antenna of the slave machine and transmits the detected signals to the internal frequency-selecting amplifying circuit;
step nine: the frequency selection amplifying circuit performs frequency selection according to the frequency set by the troubleshooting personnel to prevent external signals from interfering with the troubleshooting result;
step ten: the troubleshooting instrument analyzes the signal strength and the analyzed signal message after frequency selection from an internal signal analysis circuit of the machine;
step eleven: if the analysis result shows that the signal is detected at the household 1 and the signal strength is strong, and meanwhile, the message content in the signal is consistent with the content set by the host of the prior troubleshooting instrument, the electric energy meter 1 and the household 1 can be judged to be in the corresponding relation, and the problem of electric energy meter cross-family does not occur. On the contrary, if the signal is not detected at the household 1, or the signal strength is weak, and meanwhile, the message content in the signal is inconsistent with the content set by the host of the previous troubleshooting instrument, it can be judged that the electric energy meter 1 is not in correspondence with the household 1, and the problem of electric energy meter cross-family occurs;
step twelve: the signal analysis circuit transmits the analysis result to an internal main control chip, and the main control chip stores the data of the investigation result;
step thirteen: continuously checking the electric energy meter 2 by the checking personnel according to the steps one to twelve until the whole n electric energy meters are completely checked;
fourteen steps: the troubleshooting personnel use the data stored in the slave computer of the troubleshooting instrument to change the wiring or the file of the electric energy meter with the serial household, so that the non-household electric energy meter serial household troubleshooting is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a non-formula of registering one's residence electric energy meter cluster looks into appearance based on PLC communication technology which characterized in that: the device comprises a master investigation instrument host (1) connected to a single electric energy meter and a slave investigation instrument (2) used for detecting radiation signals at a user side, wherein the master investigation instrument host (1) comprises a message signal generating circuit (11), a signal processing circuit (12), a signal feed network circuit (14), a wave resistance circuit (13) and a power taking circuit (10), the slave investigation instrument (2) comprises a master control chip (22), a receiving antenna (20), a frequency selection amplifying circuit (21), a signal analyzing circuit (25), a data storage circuit (23) and a power supply circuit (24),
the electricity taking circuit (10) is connected with an ammeter and used for obtaining a working power supply from an ammeter end, and the message signal generating circuit (11) freely compiles a message according to the requirement of an inspector so as to prevent the inspector from detecting false signals during slave detection;
the signal processing circuit (12) converts the message generated by the message signal generating circuit (11) into an analog signal, conditions the analog signal, filters out a high-frequency mirror image brought by a sampling clock, enables the waveform quality to be better and obtains a detection signal for checking the electric energy meter missort;
the signal feed network circuit (14) feeds the detection signal generated by the signal processing circuit (12) into a household power circuit and transmits the detection signal to a household by utilizing a PLC communication technology;
the wave resistance circuit (13) adopts an electromagnetic wave resistance circuit, and consumes signals which are connected in series with a large power grid in a resistance energy consumption mode by utilizing magnetoelectric conversion, so that the interference of detection signals on power grid communication is prevented;
after the main control chip (22) arrives at a designated place, the receiving antenna (20) is started to detect the radiation signal;
the receiving antenna (20) is used for controlling a detection signal transmitted to a resident by the survey and survey instrument host (1) through a PLC communication technology, and the detection signal can radiate to a space at an open place of the resident;
the frequency-selecting amplifying circuit (21) amplifies the signal detected by the receiving antenna (20), so that other interference signals cannot be mixed into the circuit;
the signal analysis circuit (25) adopts a message identification mechanism to ensure the uniqueness of a target signal in the PLC communication signal;
the data storage circuit (23) stores the data of the signal analysis circuit (25) and the checking result of the slave computer (2) of the checking instrument;
and the power supply circuit (24) adopts a high-capacity lithium battery to supply power to the slave machine (2) of the troubleshooting instrument.
2. The PLC communication technology-based non-household electric energy meter serial-to-household checking instrument as claimed in claim 1, wherein: the message signal generating circuit (11) is realized by a Series spark series FPGA programmable chip arranged in the host computer (1) of the troubleshooting instrument.
3. The PLC communication technology-based non-household electric energy meter serial-to-household checking instrument as claimed in claim 1, wherein: the main control chip (22) adopts a TCC081F carrier chip.
4. The PLC communication technology-based non-household electric energy meter serial-to-household checking instrument as claimed in claim 1, wherein: the investigation instrument slave machine (2) further comprises a support (26) used for supporting the annular receiving antenna (20), the support (26) is connected with the slave machine body (27) into a whole, a display screen (28) and a handheld grip (29) are respectively installed on the slave machine body (27), and the main control chip (22), the frequency-selecting amplifying circuit (21), the signal analyzing circuit (25), the data storage circuit (23) and the power supply circuit (24) are all installed in the slave machine body (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920494942.8U CN209841990U (en) | 2019-04-12 | 2019-04-12 | Non-household electric energy meter serial-household checking instrument based on PLC communication technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920494942.8U CN209841990U (en) | 2019-04-12 | 2019-04-12 | Non-household electric energy meter serial-household checking instrument based on PLC communication technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209841990U true CN209841990U (en) | 2019-12-24 |
Family
ID=68911242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920494942.8U Active CN209841990U (en) | 2019-04-12 | 2019-04-12 | Non-household electric energy meter serial-household checking instrument based on PLC communication technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209841990U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112305620A (en) * | 2020-10-30 | 2021-02-02 | 贵州电网有限责任公司 | Cable hunting recognition device and hunting method |
-
2019
- 2019-04-12 CN CN201920494942.8U patent/CN209841990U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112305620A (en) * | 2020-10-30 | 2021-02-02 | 贵州电网有限责任公司 | Cable hunting recognition device and hunting method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109617628B (en) | Multifunctional detection device and method for multi-meter-in-one acquisition equipment | |
| US10613119B2 (en) | Voltage measurement and wireless communication system | |
| CN201438201U (en) | Secondary loop circuit voltage drop synchronous detection device for voltage mutual inductor | |
| CN110058190B (en) | Device and method for detecting series of users of non-household uninterrupted electric energy meter | |
| CN100547411C (en) | A kind of wireless high-voltage electriferous display locking device and method of work thereof | |
| CN206514881U (en) | Soil and underground water detection device | |
| CN209841990U (en) | Non-household electric energy meter serial-household checking instrument based on PLC communication technology | |
| CN105182107A (en) | Detection device, system and method | |
| CN110988627A (en) | Ultraviolet on-line remote real-time monitoring device for abnormal discharge of power transmission and transformation equipment | |
| CN204989451U (en) | On --spot check -up communication tester of electric energy meter | |
| CN101975878B (en) | Bistable radiation comb signal source | |
| CN206945947U (en) | A kind of testing device of digital electric energy meter for sampling Detection | |
| CN202794284U (en) | Multifunctional intelligent electric power meter | |
| CN204807649U (en) | Tester | |
| CN203858290U (en) | Wireless sensor for measuring end-screen current of capacitive equipment | |
| CN111458574A (en) | Non-contact high-voltage phase detector | |
| CN205539139U (en) | Electric energy quality measuring device | |
| CN207573313U (en) | A kind of photovoltaic string formation fault diagnosis and monitoring device based on resistance calculations | |
| CN209784773U (en) | wireless transmission type liquid level monitoring device | |
| CN204649833U (en) | A kind of shunting of the large ground network based on ZIGBEE wireless sense network phasor measuring set | |
| CN109163807A (en) | A kind of anti-tampering infrared temperature detector | |
| CN205317925U (en) | Intelligent ammeter metering error discriminating gear | |
| CN211979063U (en) | Portable low-voltage meter reading power consumption on-load detection device | |
| CN210243763U (en) | II type concentrator remote communication module is detection device in batches | |
| CN207730877U (en) | A kind of transient state recording type distribution line failure indicator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |