CN119780569A - A device for checking the relationship between table and user - Google Patents
A device for checking the relationship between table and user Download PDFInfo
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- CN119780569A CN119780569A CN202411974516.6A CN202411974516A CN119780569A CN 119780569 A CN119780569 A CN 119780569A CN 202411974516 A CN202411974516 A CN 202411974516A CN 119780569 A CN119780569 A CN 119780569A
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Abstract
The invention provides an investigation device for a household relation, which comprises household main end equipment, wherein the household main end equipment is plugged into a socket of the household main end and is respectively connected with a live wire and a zero wire of a household wire, whether the live wire and the zero wire of the household wire connected with the household main end equipment are connected with each other in an error mode is judged according to whether the household main end equipment receives power supply, when the power supply is received, a coded signal corresponding to the household main end is sent to meter box end equipment, the meter box end equipment is connected to the meter box end corresponding to the household main end and is connected with the live wire and the zero wire of the household main in a separated mode, the received coded signal is decoded, whether the household wire is connected with the error mode is judged according to decoding results, the direct current value of the household main end is monitored, and if the direct current value exceeds a set current value, the situation of electric leakage or short circuit is judged. The invention has small volume, convenient use, reduced working strength of operators and long working time of equipment when checking a large amount of service lines, and 1 person can independently finish checking and checking of the users to shorten checking time.
Description
Technical Field
The invention relates to the technical field of power system automation, in particular to an investigation device for a table household relationship.
Background
Along with the construction and use of a large amount of commodity houses, along with improvement, the distribution mode is also with improving, and the table case is concentrated in one and table case cabinet in a large number, and a certain distance is kept between the table case and the user, so the line that the ammeter comes out is easily misplaced to different user families, and the inaccurate or overweight user electric charge is caused by the fact that the relationship between the table cases is not corresponding, simultaneously L, N lines of two users are used alternately, and the error of electric quantity charging can be caused. At present, the checking mode is mainly a power carrier mode, 2 persons are required to complete the checking, and meanwhile, 100% confirmation cannot be achieved due to interference signals of wires and the like, so that the efficiency is low. The equipment is large and heavy, the labor intensity of operators is high, the detection result is inaccurate, repeated confirmation is needed, the insulation performance of the circuit cannot be judged, and the L, N wire connection method cannot be used for judging.
Disclosure of Invention
The invention aims to provide an investigation device for a table-user relationship, which solves the technical problem of the existing method.
In one aspect, an apparatus for checking a relationship between a user and a table is provided, including:
Home terminal equipment; the household main terminal equipment is inserted into a socket of the household main terminal and is respectively connected with a live wire and a zero wire of the household line, judges whether the live wire and the zero wire of the household line connected with the household main terminal equipment are connected with each other in an error mode according to whether the household main terminal equipment receives power supply or not, and sends a coding signal corresponding to the household main terminal to the meter box terminal equipment when the power supply is received;
The meter box end equipment is connected to the meter box end corresponding to the house owner end and is connected with the live wire and the zero wire of the house owner in a separated mode, and is used for decoding the received coded signals, judging whether the house inlet wire is connected with the fault or not according to decoding results, monitoring the direct current value of the house owner end, and judging the condition of electric leakage or short circuit if the direct current value exceeds the set current value.
Preferably, the home terminal device at least comprises a housing, a circuit board is arranged in the housing, at least one control MCU is arranged on the circuit board, the control MCU is used for storing a code signal corresponding to the home terminal, and the code signal is a unique code for representing the identity of the home terminal.
Preferably, a communication antenna is further arranged in the shell, and one end of the communication antenna penetrates out of the shell and is used for communication transmission with the meter box end equipment.
Preferably, a pair of retractable pins are further arranged on the outer wall of the shell, and the pins can be inserted into the socket and receive power supply of the main end of the user.
Preferably, the meter box end device at least comprises a shell, at least a control circuit board, an antenna and a battery pack are arranged in the shell, the control circuit board is respectively connected with the antenna and the battery pack, the antenna is used for communicating with the household main end device, and the battery pack is used for supplying power for the control circuit board.
The control circuit board at least comprises a wireless receiving module, an MCU control module and a current detection module, wherein the wireless receiving module is used for decoding received coded signals, the current detection module is used for detecting direct current values consumed by a home terminal, the MCU control module is used for judging the condition of a butt joint line according to the decoded coded signals, and judging whether electric leakage or short circuit exists or not according to the detected direct current values.
Preferably, the control circuit board further comprises a charging module, a nixie tube display module and a voltage stabilizing module, wherein the charging module is used for charging the battery pack, and the nixie tube display module is used for displaying received digital signals which at least comprise the number of the decoded home terminal.
Preferably, the meter box end device further comprises an external pair of wire clamps, one ends of the wire clamps are connected with the battery pack through wires, and the wire clamps are used for being connected with a live wire and a zero wire of the home wire respectively.
Preferably, one end of the antenna penetrates out of the shell and is used for communication transmission with the home terminal equipment.
Preferably, the battery pack charging device further comprises a charging port connected with the charging module and used for charging the battery pack.
In summary, the embodiment of the invention has the following beneficial effects:
the checking device for the relationship between the households has the advantages of small size, convenience in use, capability of reducing the working intensity of operators and long equipment working time when a large number of checking and checking wires are input, capability of independently finishing checking and checking the households by 1 person, shortening checking and checking time, capability of simultaneously carrying out calibration checking on the intersecting and inputting of L, N wires and capability of carrying out discontinuous judgment on the open circuit, short circuit and insulation intensity of L, N wires.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that it is within the scope of the invention to one skilled in the art to obtain other drawings from these drawings without inventive faculty.
Fig. 1 is a schematic diagram of a home terminal device in an embodiment of the present invention.
Fig. 2 is a schematic diagram of a home terminal device in an embodiment of the present invention.
Fig. 3 is a schematic diagram of a meter box end device according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a meter box end device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present invention more apparent.
Fig. 1 to 4 are schematic diagrams of an embodiment of an investigation apparatus for a relationship between users according to the present invention. In this embodiment, it includes:
The household main end equipment 1 is inserted into a socket of the household main end and is respectively connected with a live wire and a zero wire of the household line, whether the live wire and the zero wire of the household line connected with the household main end equipment 1 are connected with each other in a wrong mode is judged according to whether the household main end equipment 1 receives power supply, when the power supply is received, coded signals corresponding to the household main end are sent to the meter box end equipment, and the household main end equipment 1 can be understood to be conveniently and quickly inserted into the socket of the household main through a foldable two-pin plug, so that the installation is completed. If the house owner is not provided with a socket, the plug is used for adapting the clamp wire, and the clamp wire is clamped on the switch control box L, N wire of the house-service line through the crocodile clamp. Each MCU of different home terminals is internally provided with a code, such as 101, 102-301, 302, etc. The built-in number of the MCU transmits the signal through the antenna 5 by the wireless transmitting module. The household main terminal equipment 1 has no power supply battery, the power supply of the household main terminal is output by the battery at the meter box terminal through L and N lines, the battery wire clamps 7 at the phase-change terminal are clamped with the household L and N, and the household main terminal equipment 1 connected on the line has a power supply. Therefore, if the L and N lines of the incoming line are crossed and have errors, the equipment at the home subscriber end is not powered and can not transmit signals, and the fault of the wrong line can be found out. The wiring of the same home is not wired according to the left-zero right-fire mode, the home main terminal can not supply power, and the wiring faults can be found out. If the L and N lines are broken, the household main terminal equipment 1 is not powered, and the broken faults from the meter box terminal to the household main terminal are also checked by a simple direct current power supply mode. The circuit board 3 of the home terminal equipment 1 is provided with a power supply anti-reverse connection circuit, so that the control board is prevented from being caused by reverse connection of a circuit.
In one embodiment, the home terminal device 1 at least includes a housing, a circuit board 3 is disposed in the housing, and at least one control MCU is disposed on the circuit board 3, where the control MCU is configured to store a code signal corresponding to the home terminal, and the code signal is a unique code indicating an identity of the home terminal. A printed circuit board 3 is arranged in the housing of the home terminal, a control MCU is arranged on the circuit board 3, and a code such as 101, 102-301, 302 and the like is arranged in each MCU of different home terminals.
And a communication antenna 2 is further arranged in the shell, and one end of the communication antenna 2 penetrates out of the shell and is used for communicating with the meter box end equipment. The outer wall of the shell is also provided with a pair of telescopic pins 4, and the pins 4 can be inserted into the socket and receive power supply of the main end of the user.
The meter box end equipment is connected to the meter box end corresponding to the house owner end and is connected with the live wire and the zero wire of the house owner in a separated mode, and is used for decoding the received coded signals, judging whether the house inlet wire is connected with the fault or not according to decoding results, monitoring the direct current value of the house owner end, and judging the condition of electric leakage or short circuit if the direct current value exceeds the set current value. It can be understood that the meter box end device is a wireless information receiving device, an external antenna 5, a circuit board 3 in the shell, and a group of built-in lithium battery packs 11. The built-in battery pack 11 supplies power to the circuit board 3, and simultaneously outputs power to the L and N wires of the householder through the external wire clamp 7.
In one embodiment, the meter box end device at least comprises a housing, at least a control circuit board 9, an antenna 5 and a battery pack 11 are arranged in the housing, the control circuit board 9 is respectively connected with the antenna 5 and the battery pack 11, the antenna 5 is used for communicating with the home subscriber end device 1, and the battery pack 11 is used for supplying power to the control circuit board 9. The control circuit board 9 at least comprises a wireless receiving module, an MCU control module and a current detection module, wherein the wireless receiving module is used for decoding received coded signals, the current detection module is used for detecting direct current values consumed by a home terminal, the MCU control module is used for judging the condition of a junction line according to the decoded coded signals, and judging whether electric leakage or short circuit exists according to the detected direct current values. The control circuit board 9 further comprises a charging module, a nixie tube display module 6 and a voltage stabilizing module, wherein the charging module is used for charging the battery pack 11, and the nixie tube display module 6 is used for displaying received digital signals which at least comprise the number of the decoded household main terminal. It can be understood that the meter box end equipment control circuit board 9 is composed of a charging circuit, a wireless receiving module, an MCU control module, a current detection circuit, a nixie tube display module 6 and a voltage stabilizing circuit. The wireless receiving module decodes the received model, the MCU reads the decoded signal, the received digital signal is visually displayed through the nixie tube display module 6, the numbers of the group of numbers represent the numbers of the home owners, and whether the home access line has wrong connection can be judged by observing the numbers of the home owners of the meter. Meanwhile, the current detection circuit is used for judging the consumed direct current of the house main end, if the current exceeds the set current value, the L and N have electric leakage to the ground, and the conditions of L, N electric leakage and short circuit can be found out.
In one embodiment, the meter box end device further comprises an external pair of wire clamps 7, one ends of the wire clamps 7 are connected with the battery pack 11 through a line 8, and the wire clamps 7 are used for being connected with a live wire and a zero wire of a home line respectively. One end of the antenna 5 penetrates out of the housing for communication transmission with the home terminal apparatus 1. The battery pack also comprises a charging port 10 which is connected with the charging module and is used for charging the battery pack 11.
In a specific embodiment, the checking in the home is to first connect the home terminal devices 1 with corresponding numbers into the sockets of the home subscribers one by one according to the number of the floor subscribers, and how many electric meters are inserted into each meter box at one time. After the household main equipment is installed, the meter box end equipment clamps the battery output wire clamps 7 on the L and N wires of the electric meter end, and supplies power to the household main end equipment 1. After the household main terminal is powered, the built-in number is sent through the wireless transmitting circuit by the control circuit board 9, after the meter box terminal equipment receives the codes, the household main terminal number is displayed, and whether the household main terminal number is consistent with the meter number of the clamping line or not is checked by observing the number, so that the meter relation check is completed. And the power supply loop of the wired cable and the wireless signal are transmitted back to form a detection closed loop. By checking the number of the user terminal and the clamping number of the meter box terminal, whether the service line has a problem or not can be found, and the method is simple and convenient. Meanwhile, whether the installation of the service line is standard, whether the line has short circuit, disconnection, poor insulating property and other problems can be detected.
In summary, the embodiment of the invention has the following beneficial effects:
the checking device for the relationship between the households has the advantages of small size, convenience in use, capability of reducing the working intensity of operators and long equipment working time when a large number of checking and checking wires are input, capability of independently finishing checking and checking the households by 1 person, shortening checking and checking time, capability of simultaneously carrying out calibration checking on the intersecting and inputting of L, N wires and capability of carrying out discontinuous judgment on the open circuit, short circuit and insulation intensity of L, N wires.
The foregoing disclosure is illustrative of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (10)
1. An investigation apparatus for a relationship between a user, comprising:
Home terminal equipment; the household main terminal equipment is inserted into a socket of the household main terminal and is respectively connected with a live wire and a zero wire of the household line, judges whether the live wire and the zero wire of the household line connected with the household main terminal equipment are connected with each other in an error mode according to whether the household main terminal equipment receives power supply or not, and sends a coding signal corresponding to the household main terminal to the meter box terminal equipment when the power supply is received;
The meter box end equipment is connected to the meter box end corresponding to the house owner end and is connected with the live wire and the zero wire of the house owner in a separated mode, and is used for decoding the received coded signals, judging whether the house inlet wire is connected with the fault or not according to decoding results, monitoring the direct current value of the house owner end, and judging the condition of electric leakage or short circuit if the direct current value exceeds the set current value.
2. The apparatus as claimed in claim 1, wherein the home terminal device comprises at least a housing, a circuit board is disposed in the housing, and at least a control MCU is disposed on the circuit board, and the control MCU is configured to store a code signal corresponding to the home terminal, where the code signal is a unique code indicating an identity of the home terminal.
3. The apparatus of claim 2, wherein a communication antenna is further disposed within the housing, and wherein one end of the communication antenna extends out of the housing for communication with the meter box end device.
4. A device as claimed in claim 3, wherein the outer wall of the housing is further provided with a pair of retractable pins which are insertable into the socket and which receive power from the main end of the household.
5. The apparatus of claim 1, wherein the meter box end device comprises at least a housing, and at least a control circuit board, an antenna and a battery pack are disposed in the housing, the control circuit board is respectively connected with the antenna and the battery pack, the antenna is used for communication with the home subscriber end device, and the battery pack is used for supplying power to the control circuit board.
6. The device of claim 5, wherein the control circuit board comprises at least a wireless receiving module, an MCU control module and a current detection module, wherein the wireless receiving module is used for decoding received coded signals, the current detection module is used for detecting direct current values consumed by a home terminal, the MCU control module is used for judging conditions of a connection line according to the decoded coded signals, and judging whether electric leakage or short circuit exists according to the detected direct current values.
7. The device of claim 6, wherein the control circuit board further comprises a charging module, a nixie tube display module and a voltage stabilizing module, wherein the charging module is used for charging the battery pack, and the nixie tube display module is used for displaying the received digital signals, and the digital signals at least comprise the numbers of the decoded home terminal.
8. The apparatus of claim 5, wherein the meter box end device further comprises an external pair of wire clamps, one end of the wire clamps being connected to the battery pack by wires, the wire clamps being adapted to be connected to the live and neutral wires of the service line, respectively.
9. The apparatus of claim 5, wherein one end of the antenna extends out of the housing for communication transmission with the home terminal device.
10. The apparatus of claim 5, further comprising a charging port coupled to the charging module for charging the battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411974516.6A CN119780569A (en) | 2024-12-31 | 2024-12-31 | A device for checking the relationship between table and user |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411974516.6A CN119780569A (en) | 2024-12-31 | 2024-12-31 | A device for checking the relationship between table and user |
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| Publication Number | Publication Date |
|---|---|
| CN119780569A true CN119780569A (en) | 2025-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411974516.6A Pending CN119780569A (en) | 2024-12-31 | 2024-12-31 | A device for checking the relationship between table and user |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205067649U (en) * | 2015-10-23 | 2016-03-02 | 国家电网公司 | Zero live wire calibration equipment in resident's ammeter |
| CN105866616A (en) * | 2016-05-25 | 2016-08-17 | 国网山东省电力公司诸城市供电公司 | User-crossing-preventing discriminating device |
| CN206411150U (en) * | 2016-12-26 | 2017-08-15 | 国网福建省电力有限公司三明供电公司 | A kind of live detection instrument system, emitter and receiver |
| CN108802664A (en) * | 2018-06-20 | 2018-11-13 | 国网四川省电力公司广元供电公司 | A kind of family table examination device |
| US11163018B1 (en) * | 2018-12-14 | 2021-11-02 | State Grid Hubei Electric Power Co., Ltd. Measurement Center | Device and method for detecting misconnection of electric meters |
| CN117607754A (en) * | 2023-11-09 | 2024-02-27 | 深圳供电局有限公司 | A table household relationship detection system |
-
2024
- 2024-12-31 CN CN202411974516.6A patent/CN119780569A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205067649U (en) * | 2015-10-23 | 2016-03-02 | 国家电网公司 | Zero live wire calibration equipment in resident's ammeter |
| CN105866616A (en) * | 2016-05-25 | 2016-08-17 | 国网山东省电力公司诸城市供电公司 | User-crossing-preventing discriminating device |
| CN206411150U (en) * | 2016-12-26 | 2017-08-15 | 国网福建省电力有限公司三明供电公司 | A kind of live detection instrument system, emitter and receiver |
| CN108802664A (en) * | 2018-06-20 | 2018-11-13 | 国网四川省电力公司广元供电公司 | A kind of family table examination device |
| US11163018B1 (en) * | 2018-12-14 | 2021-11-02 | State Grid Hubei Electric Power Co., Ltd. Measurement Center | Device and method for detecting misconnection of electric meters |
| CN117607754A (en) * | 2023-11-09 | 2024-02-27 | 深圳供电局有限公司 | A table household relationship detection system |
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