CN203786244U - Electrical wiring line checking device - Google Patents

Electrical wiring line checking device Download PDF

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Publication number
CN203786244U
CN203786244U CN201420185351.XU CN201420185351U CN203786244U CN 203786244 U CN203786244 U CN 203786244U CN 201420185351 U CN201420185351 U CN 201420185351U CN 203786244 U CN203786244 U CN 203786244U
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CN
China
Prior art keywords
inlead
electric wiring
microprocessor
matching network
network circuit
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.)
Expired - Lifetime
Application number
CN201420185351.XU
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Chinese (zh)
Inventor
徐国钧
刘理峰
杨朝阳
李题印
姚海燕
张鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Hangzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Hangzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Zhejiang Electric Power Co Ltd, Hangzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201420185351.XU priority Critical patent/CN203786244U/en
Application granted granted Critical
Publication of CN203786244U publication Critical patent/CN203786244U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses an electrical wiring line checking device comprising a matching network circuit and a terminal testing machine. The terminal testing machine comprises a signal generator, a microprocessor and a prompting device. The microprocessor is used to control the prompting device to output a prompting signal matched with the current value of the signal generator loop current by detecting the magnitude of the current value. At this time, a worker can judge the power transmission line of a user corresponds to which building internal power line at a power distribution cabinet through the prompting information so as to determine the user information marked on a measuring electric meter connected with the building internal power line. Thus, by adopting the electrical wiring line checking device provided in the application, the line checking operation can be completed with only one person, so advantages of convenient utilization and high reliability can be realized.

Description

Electric wiring school line apparatus
Technical field
The application relates to technical field of power systems, more particularly, relates to a kind of electric wiring school line apparatus.
Background technology
In Building Power Distribution, each user's ammeter concentrated setting, in power distribution cabinet, before user is powered, need to carry out school line to the line of electric force in user family to power distribution cabinet, with anti-misconnection metering ammeter.
Because power distribution cabinet is far away to user family's middle distance, so it is very difficult that school lineman does to carry out, traditional school line method is to adopt logical lamp (or multimeter), intercom, propagandaed directed to communicate by intercom in both sides by two professionals, line falling on one side, measure on one side and coordinate relevant table instrumentation amount to complete, school line inefficiency, poor reliability.And be arranged in the situation such as basement or intercommunication signal difference for high-rise building, switchgear building, school line operational difficulties is larger.
Therefore be now badly in need of a kind of high Building Power Distribution electric wiring school line apparatus easy to use, reliable.
Utility model content
In view of this, the application provides a kind of electric wiring school line apparatus.
To achieve these goals, the existing scheme proposing is as follows:
A kind of electric wiring school line apparatus, comprising: matching network circuit and terminal test machine;
Described matching network circuit comprises:
The interconnective N of a first end resistance, the common port of a wherein said N resistance is as the zero line terminals of described matching network circuit, and described N is not less than 1 positive integer;
The second end of described N resistance is as N live wire input end of described matching network circuit;
Described terminal test machine comprises:
For the signal generator sending test massage;
For exporting the microprocessor of the control signal matching with described signal generator loop current size;
For exporting the suggestion device of the information that described control signal matches;
The resistance of a wherein said N resistance is different, and in the time of the line apparatus of application described electric wiring school, described matching network circuit is connected by wire with described terminal test machine.
Preferably, above-mentioned electric wiring school line apparatus, can also comprise:
The first test inlead device;
Described the first test introducing device comprises the live wire inlead and a zero line inlead being connected with the zero line terminals of matching network circuit that N bar is connected one by one with N resistance of described matching network circuit;
Described inlead is made up of crocodile clip and lead-in wire, and the tail end of described live wire inlead crocodile clip is connected with the live wire input end of matching network circuit, jaws is connected with described lead-in wire; The tail end of described zero line inlead crocodile clip is connected with zero line terminals, jaws is connected with described lead-in wire.
Preferably, in the line apparatus of above-mentioned electric wiring school, described terminal test machine can also comprise: the second inlead device;
Described the second inlead device comprises a live wire inlead and a zero line inlead, and the afterbody of described live wire inlead crocodile clip is connected with the output terminal of signal generator, and the afterbody of zero line inlead crocodile clip is connected with the input end of described signal generator.
Preferably, in the line apparatus of above-mentioned electric wiring school, described microprocessor has N output terminal, and described microprocessor is the microprocessor of controlling an output terminal output high level corresponding with the size of described signal generator loop current.
Preferably, in the line apparatus of above-mentioned electric wiring school, described suggestion device comprises:
N light emitting diode, the anode of a described N light emitting diode is connected with the N output terminal of described microprocessor, and a light emitting diode is only connected with the output terminal of a microprocessor.
Preferably, in the line apparatus of above-mentioned electric wiring school, described suggestion device is charactron;
And described microprocessor is to control the demonstration numeral of described charactron and the microprocessor that described generator loop current size matches.
Preferably, in the line apparatus of above-mentioned electric wiring school, described matching network circuit is connected by terminal with described the first test inlead device.
Preferably, in the line apparatus of above-mentioned electric wiring school, described lead-in wire is flexible circuit conductor.
Preferably, in the line apparatus of above-mentioned electric wiring school, described flexible circuit conductor is soft silica gel cable.
Preferably, in the line apparatus of above-mentioned electric wiring school, the resistance of a described N resistance becomes Geometric Sequence to distribute.
Can find out from above-mentioned technical scheme, the disclosed electric wiring of the application school line apparatus, pass through the size of current value in detection signal generator loop current by microprocessor, control the cue that suggestion device output and described current value match, now staff just can judge that this user's power transmission line should be corresponding with which bar building internal power cord at power distribution cabinet place by described information, thus the user profile that definite metering ammeter being connected with this building internal power cord should identify.The described electric wiring school line apparatus that visible employing the application provides, can complete school lineman by 1 people and do, easy to use and reliability is high.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiment of the application, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural drawing of the disclosed a kind of electric wiring of the embodiment of the present application school line apparatus;
Fig. 2 is the structural drawing of the disclosed matching network circuit of the embodiment of the present application;
Fig. 3 is the structural drawing of the disclosed a kind of electric wiring of another embodiment of the application school line apparatus;
Fig. 4 is the structural drawing of the disclosed electric wiring of the another embodiment of the application school line apparatus;
Fig. 5 is the structural drawing of the disclosed a kind of suggestion device of the embodiment of the present application.
Embodiment
In order to solve the problem of inefficiency poor reliability in prior art lieutenant colonel line process, the application provides a kind of distribution school line apparatus.
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiment.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the application's protection.
Fig. 1 is the structural drawing of the disclosed a kind of electric wiring of the embodiment of the present application school line apparatus.
Fig. 2 is the structural drawing of matching network circuit.
Referring to Fig. 1 and Fig. 2, described electric wiring school line apparatus is made up of two parts, be respectively: matching network circuit 1 and terminal test machine 3, in the time of the line apparatus of application described electric wiring school, described matching network circuit 1 is connected by power lead in building 2 with terminal test machine 3, described matching network circuit 1 is arranged on to power distribution cabinet side, described terminal test machine 3 is arranged to user's side;
Concrete, referring to Fig. 2, described matching network circuit 1 specifically comprises:
N resistance (resistance R 1 is to RN), the first end of a described N resistance interconnects, and forms the common port of a described N resistance, and the common port of a described N resistance is as the zero line terminals PCOM of described matching network circuit 1, and described N is not less than 1 positive integer;
The second end of described N resistance is as N live wire input end of described matching network circuit, described first the second end to N resistance successively as described matching network circuit 1 first to N live wire input end (P1 to PN);
Described terminal test machine 3 is made up of signal generator 301, microprocessor 302 and suggestion device 303:
Wherein said signal generator 301 is for sending test massage to described matching network circuit 1;
Described microprocessor 302 is for exporting the control signal matching with the size of current in described signal generator 301 loops, it should be noted that described microprocessor 302 exports according to the size of the electric current detecting the conventional working method that corresponding control signal is microprocessor in prior art, belong to the basic function that described microprocessor can be realized, therefore the described microprocessor in the application does not relate to the substantial improvements of processing procedure;
Described suggestion device 303 is for exporting the information matching with the control signal of described microprocessor 302;
It should be noted that at this, the resistance of a wherein said N resistance is different, to make when described terminal test machine 3 is in the time carrying out school line to different user the size of current value difference in described signal generator loop.
The work engineering of the described electric wiring school line apparatus to the application describes below:
In the time using described electric wiring school line apparatus to carry out school line to the user in building, described matching network circuit is connected to power distribution cabinet one side, described terminal test machine is connected with the power transmission line in user family, control described signal generator and send test voltage signal, voltage signal is by the resistance being connected with power lead of flowing through of the internal power cord in building, form loop through described zero line terminals and described signal generator again, described microprocessor is by detecting the size of the current value in described signal generator loop, the control signal that generation matches, control described suggestion device and generate information, now staff just can judge that this user's power transmission line should be corresponding with which bar building internal power cord at power distribution cabinet place by described information, thereby the user profile that definite metering ammeter being connected with this building internal power cord should identify.
For example described test voltage signal is V, when described V flows through described the first resistance R 1, current value I=V/R1 in described signal generator loop, the control signal K that described microprocessor output and described current value I match, control described suggestion device and generate the information matching with described control signal, staff can determine according to described information the user totem information of the connected electric energy meter of the building internal power cord corresponding with R1.
Certainly for the corresponding relation of remembeing a described N resistance and described metering ammeter that can be convenient, staff is in the time connecting the building internal power cord at described matching network circuit and described power distribution cabinet side place, can connect according to the mode of the convenient memory of staff, certainly staff also can also can take pictures after connection completes, to check.
In the line apparatus of the disclosed electric wiring of visible employing the application school, described microprocessor is by detecting the size of current value in described signal generator loop current, control described suggestion device according to the size of described current value and export the cue matching with described current value, now staff just can judge that this user's power transmission line should be corresponding with which bar building internal power cord at power distribution cabinet place by described information, thus the user profile that definite metering ammeter being connected with this building internal power cord should identify.The described electric wiring school line apparatus that visible employing the application provides, can complete school lineman by 1 people and do, easy to use and reliability is high.
Fig. 3 is the structural drawing of the disclosed electric wiring of another embodiment of the application school line apparatus.
Referring to Fig. 3, in order to facilitate being connected of described matching network circuit and described building internal power cord, the application's described electric wiring school line apparatus, on the basis of the disclosed technical scheme of above-described embodiment, can also comprise: the first test inlead device 4;
Described the first test inlead device 4 is made up of N bar live wire inlead and a zero line inlead, described live wire inlead is connected with N resistance of described matching network circuit, and one live wire inlead is only connected with a resistance, the zero line inlead that described zero line inlead is connected with the zero line terminals of matching network circuit;
Referring to Fig. 3, described live wire inlead and or described zero line inlead can be formed by crocodile clip and lead-in wire, the tail end of described live wire inlead crocodile clip is connected with the live wire input end of described matching network, jaws is connected with described lead-in wire; The tail end of described zero line inlead crocodile clip is connected with zero line terminals, jaws is connected with described lead-in wire, and in the time of the line apparatus of the application disclosed electric wiring of the present embodiment school, one end that described lead-in wire is not connected with crocodile clip jaws is connected with building internal power cord.
Fig. 4 is the structural drawing of the disclosed electric wiring of the another embodiment of the application school line apparatus.
Referring to Fig. 4, in order to facilitate being connected of terminal test machine that user locates and described building internal power cord, the application's described electric wiring school line apparatus, on the basis of the disclosed technical scheme of above-described embodiment, can also comprise: the second inlead device 5;
Referring to Fig. 4, described the second inlead device 5 can comprise a live wire inlead and a zero line inlead, the afterbody of described live wire inlead crocodile clip is connected with the output terminal of signal generator, and the afterbody of zero line inlead crocodile clip is connected with the input end of described signal generator.In the time using the disclosed electric wiring of the application school line apparatus, the lead-in wire of described live wire inlead is connected with the live wire of described building internal power cord, and zero line is connected with the zero line of described building internal power cord.
Here it should be noted that; because described microprocessor is as one of control device the most frequently used in prior art; cause the type of microprocessor described in prior art varied; so the disclosed technical scheme of the application is not done too much restriction to the type of described microprocessor, as long as can be according to the microprocessor of the size output of the current value the detecting control signal corresponding with described current value all within the application's protection domain.
For example described microprocessor can be for having the microprocessor of N output terminal, described microprocessor is in the time detecting that described signal generator loop exists electric current, calculate the size of this current value, control an output terminal output high level corresponding with described current value size, thereby control described suggestion device output and the big or small corresponding information of current value in described signal generator.
Fig. 5 is the structural drawing of the disclosed a kind of suggestion device of the embodiment of the present application.
Corresponding to the above-mentioned microprocessor with N output terminal, disclosed herein as well is a kind of suggestion device corresponding with this microprocessor, referring to Fig. 5, described suggestion device comprises N light emitting diode, the anode of a described N light emitting diode is corresponding connected one by one with N output terminal of described microprocessor, the anode of a described N light emitting diode is connected with the N output terminal of described microprocessor, and a light emitting diode is only connected with the output terminal of a microprocessor, in the time that certain output terminal of described microprocessor has high level signal output, the LED lighting being connected with this output terminal, certainly in order to prevent from burning diode, between described diode and the output terminal of described microprocessor, be also provided with current-limiting resistance.
Be understandable that, described suggestion device can be also charactron, and when described suggestion device is that charactron is, described microprocessor is for controlling the demonstration numeral of described charactron and the microprocessor that described generator loop current size matches.For example, described signal generator loop stream is in the time of described the first resistance R 1, and described microcontroller detects according to the electric current in described signal generator loop and generates the first control signal, makes described charactron be shown as 1.In the demonstration numeral that it should be noted that described charactron here and described signal generator loop, the corresponding relation of size of current can be preset.
Test being connected of inlead device in order to facilitate described matching network circuit with described first, between matching network circuit and described the first test inlead device, be also provided with the terminal row for wiring, described matching network circuit is connected by terminal with described the first test inlead device.
Be understandable that for easy-to-connect, in the above embodiments of the present application, can choose soft wire as described lead-in wire, for example described lead-in wire can be soft silica gel cable.
In the disclosed technical scheme of the above embodiments of the present application, described the first resistance to N resistance can be set by user's request, as long as ensure that the resistance of a described N resistance is different, for example the resistance of a described N resistance can proportionally distribute.
Finally, also it should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the application.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the case of not departing from the application's spirit or scope, realize in other embodiments.Therefore, the application will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (10)

1. an electric wiring school line apparatus, is characterized in that, comprising: matching network circuit and terminal test machine;
Described matching network circuit comprises:
The interconnective N of a first end resistance, the common port of a wherein said N resistance is as the zero line terminals of described matching network circuit, and described N is not less than 1 positive integer;
The second end of described N resistance is as N live wire input end of described matching network circuit;
Described terminal test machine comprises:
For the signal generator sending test massage;
For exporting the microprocessor of the control signal matching with described signal generator loop current size;
For exporting the suggestion device of the information that described control signal matches;
The resistance of a wherein said N resistance is different, and in the time of the line apparatus of application described electric wiring school, described matching network circuit is connected by wire with described terminal test machine.
2. according to the electric wiring school line apparatus in claim 1, it is characterized in that, also comprise:
The first test inlead device;
Described the first test introducing device comprises the live wire inlead and a zero line inlead being connected with the zero line terminals of matching network circuit that N bar is connected one by one with N resistance of described matching network circuit;
Described inlead is made up of crocodile clip and lead-in wire, and the tail end of described live wire inlead crocodile clip is connected with the live wire input end of matching network circuit, jaws is connected with described lead-in wire; The tail end of described zero line inlead crocodile clip is connected with zero line terminals, jaws is connected with described lead-in wire.
3. according to the electric wiring school line apparatus in claim 2, it is characterized in that, described terminal test machine also comprises: the second inlead device;
Described the second inlead device comprises a live wire inlead and a zero line inlead, and the afterbody of described live wire inlead crocodile clip is connected with the output terminal of signal generator, and the afterbody of zero line inlead crocodile clip is connected with the input end of described signal generator.
4. according to the electric wiring school line apparatus in claim 1, it is characterized in that, described microprocessor has N output terminal, and described microprocessor is the microprocessor of controlling an output terminal output high level corresponding with the size of described signal generator loop current.
5. according to the electric wiring school line apparatus in claim 4, it is characterized in that, described suggestion device comprises:
N light emitting diode, the anode of a described N light emitting diode is connected with the N output terminal of described microprocessor, and a light emitting diode is only connected with the output terminal of a microprocessor.
6. according to the electric wiring school line apparatus in claim 1, it is characterized in that, described suggestion device is charactron;
And described microprocessor is to control the demonstration numeral of described charactron and the microprocessor that described generator loop current size matches.
7. according to the electric wiring school line apparatus in claim 2, it is characterized in that, described matching network circuit is connected by terminal with described the first test inlead device.
8. according to the electric wiring school line apparatus in claim 2-3 any one, it is characterized in that, described lead-in wire is flexible circuit conductor.
9. the electric wiring school line apparatus according to Claim 8, is characterized in that, described flexible circuit conductor is soft silica gel cable.
10. according to the electric wiring school line apparatus in claim 1, it is characterized in that, the resistance of a described N resistance becomes Geometric Sequence to distribute.
CN201420185351.XU 2014-04-16 2014-04-16 Electrical wiring line checking device Expired - Lifetime CN203786244U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420185351.XU CN203786244U (en) 2014-04-16 2014-04-16 Electrical wiring line checking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420185351.XU CN203786244U (en) 2014-04-16 2014-04-16 Electrical wiring line checking device

Publications (1)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104502783A (en) * 2014-12-31 2015-04-08 重庆布鲁杰科技有限公司 Line detection system for indoor distribution box
CN104749549A (en) * 2015-03-31 2015-07-01 杭州凯达电力建设有限公司 Power meter installation information verification system
CN106199318A (en) * 2016-06-23 2016-12-07 潍坊五洲浩特电气有限公司 A kind of Intelligent line inspection instrument being applied to ammeter box
CN108362972A (en) * 2018-05-10 2018-08-03 西安热工研究院有限公司 A kind of electrical equipment manual-automatic integrated school line system and method
CN109490605A (en) * 2018-09-21 2019-03-19 国网浙江台州市黄岩区供电有限公司 Branch's wiretap and building head case current synchronization calibration equipment and method of calibration with handheld terminal
CN111487578A (en) * 2020-04-22 2020-08-04 广东电网有限责任公司 Building electric energy meter synthesizes power line school line appearance

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104502783A (en) * 2014-12-31 2015-04-08 重庆布鲁杰科技有限公司 Line detection system for indoor distribution box
CN104749549A (en) * 2015-03-31 2015-07-01 杭州凯达电力建设有限公司 Power meter installation information verification system
CN106199318A (en) * 2016-06-23 2016-12-07 潍坊五洲浩特电气有限公司 A kind of Intelligent line inspection instrument being applied to ammeter box
CN106199318B (en) * 2016-06-23 2018-12-25 潍坊五洲浩特电气有限公司 A kind of Intelligent line inspection instrument applied to ammeter box
CN108362972A (en) * 2018-05-10 2018-08-03 西安热工研究院有限公司 A kind of electrical equipment manual-automatic integrated school line system and method
CN109490605A (en) * 2018-09-21 2019-03-19 国网浙江台州市黄岩区供电有限公司 Branch's wiretap and building head case current synchronization calibration equipment and method of calibration with handheld terminal
CN111487578A (en) * 2020-04-22 2020-08-04 广东电网有限责任公司 Building electric energy meter synthesizes power line school line appearance

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Granted publication date: 20140820