CN104965147A - Low-voltage-user electric energy meter series detection system and detection method - Google Patents
Low-voltage-user electric energy meter series detection system and detection method Download PDFInfo
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- CN104965147A CN104965147A CN201510415054.9A CN201510415054A CN104965147A CN 104965147 A CN104965147 A CN 104965147A CN 201510415054 A CN201510415054 A CN 201510415054A CN 104965147 A CN104965147 A CN 104965147A
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Abstract
The invention discloses a low-voltage-user power transmission line series detection system. The system comprises a host and a slave machine. The host is installed at a total power transmission line and inputs a detection signal to a room power transmission line. The slave machine sends a room identification signal to be detected to the host. When the slave machine is installed at the power transmission line of the room to be detected, the host detects a detection signal change of a corresponding power transmission line and the host determines whether series is generated according to whether an identification signal of the power transmission line corresponds to a room identification signal. The invention also discloses a series detection method. The host inputs the detection signal to the power transmission line of the room from a low-voltage-user total power transmission line. The slave machine sends the room identification signal of the low voltage user to be detected to the host. The identification signal of the power transmission line where the detection signal changes is compared to the room identification signal sent by the slave machine so as to determine the series. The system and the method in the invention possess advantages that operation is simple and the detection is rapid and accurate.
Description
Technical field
The present invention relates generally to technical field of electric power, refers in particular to a kind of low-voltage customer electric energy meter and to visit one house after another detection system and detection method.
Background technology
Low-voltage customer phenomenon of visiting one house after another is that actual electricity consumption and quantitative relation misplace and cause, and for the low-voltage collecting meter reading operation carried out on a large scale at present, this problem seems particularly outstanding.Because this problem has very strong disguise, be difficult to discover, long-term user and the electric company of giving brings very large trouble, hidden danger and puzzlement, such problem is once expose, the service image of meeting grievous injury electric company, more serious social influence can be caused, chase after the problem of moving back also can to follow-up electricity and bring endless trouble.
Summary of the invention
The technical problem to be solved in the present invention is just: the technical matters existed for prior art, the invention provides a kind of structure simple, easy and simple to handle, detect low-voltage customer electric energy meter accurately and to visit one house after another detection system, and corresponding provide a kind of easy and simple to handle, be easy to the detection method that realizes.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes is:
A kind of low-voltage customer transmission line of electricity is visited one house after another detection system, comprise main frame and from machine, described main frame is installed on low-voltage customer total transmit power circuit place and inputs detection signal in the transmission line of electricity in more than one room, describedly in machine, be preset with the room identification signal of low-voltage customer to be detected and this room identification signal is sent to main frame, when the described transmission line of electricity being arranged on low-voltage customer room to be detected from machine, described Host Detection is to the change in detection signal of corresponding transmission line of electricity, with whether the described room identification signal sent from machine is corresponding, the id signal of the transmission line of electricity that described main frame changes according to detection signal judges whether the transmission line of electricity of this low-voltage customer visits one house after another.
Further improvement as technique scheme:
The transmission line of electricity in each room comprises zero line and live wire, described detection signal inputs on the live wire of each room transmission line of electricity, describedly whether detects that detection signal judges the whether reversal connection of live wire and zero line from machine according to the live wire of corresponding room transmission line of electricity or zero line; When the live wire measured in corresponding room has detection signal from machine examination, then judge live wire and the non-reversal connection of zero line of this room transmission line of electricity; If detect that the zero line in corresponding room has detection signal, then judge live wire and the zero line reversal connection of this room transmission line of electricity.
Described detection signal is high level signal.
Described main frame is connected with wireless telecommunications between machine.
Described main frame comprises the first control module, the first display unit and the first input-output unit, described first display unit and the first input-output unit are all connected with described first control module, described first input-output unit is connected with the transmission line of electricity in more than one room, and id signal corresponding for the transmission line of electricity in each room and detection signal state are shown by the first display unit by described first control module.
First input-output unit of described main frame comprises 24 road I/O mouths, and described main frame connects the transmission line of electricity in 12 groups of rooms, and often organizes the live wire of the transmission line of electricity in room or zero line all connects a road I/O mouth.
Describedly comprise the second control module, the second input-output unit, radio communication unit and the second display unit from machine, described second input-output unit is connected with described second control module with the second display unit, after described second input-output unit inputs room identification signal to the second control module in room to be detected, send to main frame through radio communication unit and shown by the second display unit simultaneously.
Describedly comprise test splice for accessing transmission line of electricity from machine, described test splice is binding clip or attaching plug.
The invention also discloses a kind of detection method of detection system of visiting one house after another based on low-voltage customer transmission line of electricity as above, comprise the following steps:
S1: described main frame inputs detection signal from low-voltage customer total transmit power circuit in the transmission line of electricity in each room;
S2: be describedly installed on the transmission line of electricity in low-voltage customer room to be detected from machine and the room identification signal of low-voltage customer to be detected is sent to main frame;
S3: described Host Detection changes to the detection signal of corresponding transmission line of electricity, and the id signal of this transmission line of electricity and the room identification signal sent from machine are contrasted, when the id signal of this transmission line of electricity with room identification signal not to then judging time corresponding that the transmission line of electricity of this low-voltage customer is visited one house after another;
S4: repeat step S2 and step S3, the detection whether transmission line of electricity carrying out other low-voltage customer visits one house after another.
Compared with prior art, the invention has the advantages that:
Low-voltage customer electric energy meter of the present invention is visited one house after another detection system, detection signal is inputted at total transmit power circuit place to the transmission line of electricity in each room by main frame, main frame is sent to by being arranged on from machine on the transmission line of electricity in room to be detected and by the room identification signal in room to be detected, now, main frame then can detect the change in detection signal of corresponding transmission line of electricity, contrast according to the id signal of this transmission line of electricity and room identification signal again, as not corresponding in both id signals, then judge that the transmission line of electricity in this room is visited one house after another, this detection system structure is simple, easy and simple to handle, be easy to realize.Additionally by from the level signal of machine to live wire in transmission line of electricity and zero line, zero line in transmission line of electricity and live wire whether reversal connection, easy and simple to handle can be judged.Low-voltage customer electric energy meter of the present invention detection method of visiting one house after another has advantage as above equally.
Accompanying drawing explanation
Fig. 1 is systematic square frame structural representation of the present invention.
Fig. 2 is the frame structure schematic diagram of main frame in the present invention.
Fig. 3 is the frame structure schematic diagram from machine in the present invention.
Fig. 4 is the wiring schematic diagram of main frame when there being electric energy meter in the present invention.
Fig. 5 be in the present invention main frame without wiring schematic diagram during electric energy meter.
Fig. 6 is the workflow diagram of main frame in the present invention.
Fig. 7 is the workflow diagram from machine in the present invention.
Number in the figure represents: 1, main frame; 11, the first control module; 12, the first input-output unit; 13, the first display unit; 14, the first radio communication unit; 2, from machine; 21, the second control module; 22, the second input-output unit; 23, the second display unit; 24, the second radio communication unit; 3, electric energy meter; 4, air switch.
Embodiment
Below in conjunction with Figure of description and specific embodiment, the invention will be further described.
As shown in Figures 1 to 7, the low-voltage customer transmission line of electricity of the present embodiment is visited one house after another detection system, mainly be applicable to without electricity but the inspection of line in situation of can registering one's residence and examination, wherein detection system comprises main frame 1 and from machine 2, main frame 1 and from wireless connections between machine 2, main frame 1 is installed on low-voltage customer total transmit power circuit place and inputs detection signal in the transmission line of electricity in more than one room, in machine 2, be preset with the room identification signal of low-voltage customer to be detected and this room identification signal is sent to main frame 1, when on the transmission line of electricity being arranged on low-voltage customer room to be detected from machine 2, main frame 1 detects the change in detection signal of corresponding transmission line of electricity, with whether the room identification signal sent from machine 2 is corresponding, the id signal of the transmission line of electricity that main frame 1 detection signal changes judges whether the transmission line of electricity of this low-voltage customer visits one house after another, as two signals are not corresponding, then can judge that the transmission line of electricity in this room is visited one house after another, as two signals are corresponding, then can judge that the transmission line of electricity in this room is normal.Detection system structure of the present invention is simple, easy to operate, be easy to realize.
In the present embodiment, the transmission line of electricity in each room comprises zero line and live wire, in order to judge when not visiting one house after another further, the whether reversal connection of live wire in transmission line of electricity and zero line, therefore detection signal is inputed on the live wire of each room transmission line of electricity, whether detect that detection signal judges the whether reversal connection of live wire and zero line from machine 2 according to the live wire of corresponding room transmission line of electricity or zero line; When detecting that the live wire in corresponding room has detection signal from machine 2, then judge live wire and the non-reversal connection of zero line of this room transmission line of electricity; If detect that the zero line in corresponding room has detection signal, then judge live wire and the zero line reversal connection of this room transmission line of electricity.Wherein in the present embodiment, detection signal is high level signal; Certainly, equally can at the zero line input high level signal of transmission line of electricity to detect corresponding zero line and whether have high level signal and to judge the whether reversal connection of zero live wire.
As shown in Figure 2, in the present embodiment, main frame 1 comprises the first control module 11(single-chip microcomputer or PLC), the first display unit 13 and the first input-output unit 12(comprise input block and output unit), first display unit 13 is all connected with the first control module 11 with the first input-output unit 12, first input-output unit 12 is connected with the transmission line of electricity in more than one room, and id signal corresponding for the transmission line of electricity in each room and detection signal state are shown by the first display unit 13 by the first control module 11; Wherein the first input-output unit 12 is main carries out the input of detection signal to each transmission line of electricity and monitors accordingly, main frame 1 also include in the first radio communication unit 14 carrying out radio communication from machine 2 and the first interface unit (keyboard interface and host computer interface RS-232) be connected with miscellaneous equipment, wherein the power supply unit of main frame 1 is lithium battery.
In the present embodiment, the first input-output unit 12 of main frame 1 comprises 24 road I/O mouths, and main frame 1 connects the transmission line of electricity in 12 groups of rooms, and often organizes the live wire of the transmission line of electricity in room or zero line all connects a road I/O mouth; 12 road transmission lines of electricity can be connected simultaneously, thus substantially increase work efficiency.
As shown in Figure 3, in the present embodiment, the first control module 11, first input-output unit 12, second radio communication unit 24 and the second display unit 23 is comprised from machine 2, second input-output unit 22 is connected with the second control module 21 with the second display unit 23, after second input-output unit 22 inputs room identification signal to the second control module 21 in room to be detected, send to main frame 1 through the second radio communication unit 24 and shown by the second display unit 23 simultaneously.Wherein comprise the test splice for accessing transmission line of electricity from machine 2, test splice is binding clip or attaching plug, facilitates the switch in access room or socket place.By being arranged in the transmission line of electricity in room, thus send access signal to main frame 1 by transmission line of electricity accordingly, the level monitoring to live wire or zero line is passed through in addition from machine 2, to judge the whether reversal connection of zero live wire, wherein also comprise interface unit (keyboard interface) and power supply unit (lithium battery) from machine 2.
In the present embodiment, the mode of connection of main frame 1 as shown in Figure 6 and Figure 7, wherein there is electric energy meter 3 in Fig. 6, then the first input-output unit 12 of main frame 1 is accessed to air switch 4 place of electric energy meter 3 input end, when without electric energy meter 3, then the first input-output unit 12 of main frame 1 is accessed to the output terminal of electric energy meter 3 correspondence.
The present invention is the corresponding detection method disclosing a kind of detection system of visiting one house after another based on above-described low-voltage customer transmission line of electricity also, comprises the following steps:
S1: main frame 1 inputs detection signal from low-voltage customer total transmit power circuit in the transmission line of electricity in each room;
S2: be installed on the transmission line of electricity in low-voltage customer room to be detected from machine 2 and the room identification signal of low-voltage customer to be detected is sent to main frame 1;
S3: main frame 1 detects that the detection signal of corresponding transmission line of electricity changes, and the id signal of this transmission line of electricity and the room identification signal sent from machine 2 are contrasted, when the id signal of this transmission line of electricity with room identification signal not to then judging time corresponding that the transmission line of electricity of this low-voltage customer is visited one house after another;
S4: repeat step S2 and step S3, the detection whether transmission line of electricity carrying out other low-voltage customer visits one house after another.
Specific works flow process is as follows: main frame 1 start shooting after parameters, parameter comprises: the relevant information such as testDate time, cell name, Lou Hao, family number;
Main frame 1 is arranged on electric energy meter 3 batch meter place, p-wire is accessed electric energy meter 3 wiring place or user's sky respectively by red and black and opens below, and wherein red line is started to exchange fire line, black line connecting to neutral line, and wiring is undertaken by label order;
Main frame 1 enters test interface, starts to test by " feeler switch ": the 24 tunnel signal level variation starting to test the access of aft engine 1 Real-Time Monitoring, waits for from machine 2 and accessing;
Main frame 1 detects that signal is by (illustrate from machine 2 and access into) during high step-down, main frame 1 is by the first radio communication unit 14 and carry out wireless telecommunications from the second communication unit of machine 2, from machine 2, the room identification signal (as room number) in room to be detected is sent to main frame 1;
Main frame 1 according to being dragged down the id signal of the transmission line of electricity at level place, and from the room number in the room, place that machine 2 sends, sets up line inspection corresponding relation, show room number corresponding to this passage and zero, whether live wire wiring correct; After correct display information, preserve;
After machine 2 is started shooting, set the room number that will test, according to the wiring condition in room, select suitable test splice;
After machine 2 and main frame 1 UNICOM, screen should show zero, live wire wiring information, if do not show wiring information, illustrate this supply socket and house lead in line of electric force obstructed, change a socket and retest;
After main frame 1 has detected a road wiring, after machine 2 receives test result, show main frame 1 test mode, and the information such as return to room number, zero live wire state;
Carry out next room test, method of testing is the same, and whole transmission line of electricity is completed aft engine 1 and preserves test data, and the line inspection of visiting one house after another terminates.
Below be only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, should be considered as protection scope of the present invention.
Claims (9)
1. a low-voltage customer transmission line of electricity is visited one house after another detection system, it is characterized in that, comprise main frame (1) and from machine (2), described main frame (1) is installed on low-voltage customer total transmit power circuit place and inputs detection signal in the transmission line of electricity in more than one room, describedly in machine (2), be preset with the room identification signal of low-voltage customer to be detected and this room identification signal is sent to main frame (1), when described be arranged on the transmission line of electricity in low-voltage customer room to be detected from machine (2) time, described main frame (1) detects the change in detection signal of corresponding transmission line of electricity, with whether the described room identification signal sent from machine (2) is corresponding, the id signal of the transmission line of electricity that described main frame (1) changes according to detection signal judges whether the transmission line of electricity of this low-voltage customer visits one house after another.
2. low-voltage customer transmission line of electricity according to claim 1 is visited one house after another detection system, it is characterized in that, the transmission line of electricity in each room comprises zero line and live wire, described detection signal inputs on the live wire of each room transmission line of electricity, describedly whether detects that detection signal judges the whether reversal connection of live wire and zero line from machine (2) according to the live wire of corresponding room transmission line of electricity or zero line; When detecting that the live wire in corresponding room has detection signal from machine (2), then judge live wire and the non-reversal connection of zero line of this room transmission line of electricity; If detect that the zero line in corresponding room has detection signal, then judge live wire and the zero line reversal connection of this room transmission line of electricity.
3. low-voltage customer transmission line of electricity according to claim 2 is visited one house after another detection system, and it is characterized in that, described detection signal is high level signal.
4. low-voltage customer transmission line of electricity according to claim 2 is visited one house after another detection system, and it is characterized in that, described main frame (1) is connected with wireless telecommunications between machine (2).
5. the low-voltage customer transmission line of electricity according to Claims 2 or 3 or 4 is visited one house after another detection system, it is characterized in that, described main frame (1) comprises the first control module (11), first display unit (13) and the first input-output unit (12), described first display unit (13) and the first input-output unit (12) are all connected with described first control module (11), described first input-output unit (12) is connected with the transmission line of electricity in more than one room, id signal corresponding for the transmission line of electricity in each room and detection signal state are shown by the first display unit (13) by described first control module (11).
6. low-voltage customer transmission line of electricity according to claim 5 is visited one house after another detection system, it is characterized in that, first input-output unit (12) of described main frame (1) comprises 24 road I/O mouths, described main frame (1) connects the transmission line of electricity in 12 groups of rooms, and often organizes the live wire of the transmission line of electricity in room or zero line all connects a road I/O mouth.
7. low-voltage customer transmission line of electricity according to claim 6 is visited one house after another detection system, it is characterized in that, describedly comprise the second control module (21) from machine (2), second input-output unit (22), radio communication unit and the second display unit (23), described second input-output unit (22) is connected with described second control module (21) with the second display unit (23), after described second input-output unit (22) inputs room identification signal to the second control module (21) in room to be detected, send to main frame (1) through radio communication unit and shown by the second display unit (23) simultaneously.
8. low-voltage customer transmission line of electricity according to claim 7 is visited one house after another detection system, it is characterized in that, describedly comprises test splice for accessing transmission line of electricity from machine (2), and described test splice is binding clip or attaching plug.
9. a detection method for detection system of visiting one house after another based on the low-voltage customer transmission line of electricity in claim 1 to 8 described in any one, comprises the following steps:
S1: described main frame (1) inputs detection signal from low-voltage customer total transmit power circuit in the transmission line of electricity in each room;
S2: be describedly installed on the transmission line of electricity in low-voltage customer room to be detected from machine (2) and the room identification signal of low-voltage customer to be detected is sent to main frame (1);
S3: described main frame (1) detects that the detection signal of corresponding transmission line of electricity changes, and the id signal of this transmission line of electricity and the room identification signal sent from machine (2) are contrasted, when the id signal of this transmission line of electricity with room identification signal not to then judging time corresponding that the transmission line of electricity of this low-voltage customer is visited one house after another;
S4: repeat step S2 and step S3, the detection whether transmission line of electricity carrying out other low-voltage customer visits one house after another.
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| CN108957215A (en) * | 2018-05-08 | 2018-12-07 | 国网河南省电力公司郑州供电公司 | Family table checks and accepts anti-examination device and the investigation method of visiting one house after another |
| CN109375043A (en) * | 2018-09-30 | 2019-02-22 | 国网福建省电力有限公司南平供电公司 | One kind is visited one house after another detection system and its application method |
| CN109407038A (en) * | 2018-10-25 | 2019-03-01 | 国网浙江乐清市供电有限公司 | A kind of device detecting wrong wiring of electric energy meter |
| CN109782120A (en) * | 2019-03-14 | 2019-05-21 | 张艺博 | A kind of low-voltage customer line using ultra-low frequency signal is visited one house after another detection method |
| CN109951747A (en) * | 2019-04-15 | 2019-06-28 | 国网福建省电力有限公司漳州供电公司 | A kind of family intelligent recognition Tai Qu becomes the method for relationship and family table relationship and seeks table instrument |
| CN109951747B (en) * | 2019-04-15 | 2024-01-09 | 国网福建省电力有限公司漳州供电公司 | Method for intelligently identifying household change relation and household meter relation of platform area and meter searching instrument |
| CN110568306A (en) * | 2019-07-30 | 2019-12-13 | 深圳供电局有限公司 | Electric energy meter misconnection detection method and computer equipment |
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