CN206804782U - A kind of family table wiring detecting system - Google Patents
A kind of family table wiring detecting system Download PDFInfo
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- CN206804782U CN206804782U CN201720682326.6U CN201720682326U CN206804782U CN 206804782 U CN206804782 U CN 206804782U CN 201720682326 U CN201720682326 U CN 201720682326U CN 206804782 U CN206804782 U CN 206804782U
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Abstract
The utility model discloses a kind of family table wiring detecting system, including power-supplying circuit, voltage x current test circuit, control unit and display, power-supplying circuit is in series between ammeter outlet live wire and ammeter outlet zero line, the power-supplying circuit includes the resistance R0 being sequentially connected in series, power supply and mu balanced circuit, at least one predetermined resistance Rx is arranged in series between user side live wire and user side zero line again, make to form a DC loop between user side and ammeter outlet, the voltage x current test circuit is in parallel with power-supplying circuit to be also serially connected between ammeter outlet live wire and ammeter outlet zero line, the voltage x current test circuit by the resistance for calculating resistance Rx it is converted after send control unit to；Described control unit carries out line short circuit, misconnection, open circuit or reversal connection according to resistance Rx resistance and judged, and shows judged result by display.
Description
Technical field
It the utility model is related to a kind of field of power detection, and in particular to a kind of family table wiring detecting system.
Background technology
Intelligent family table correct wiring, vital task is responsible in family table is using, data acquisition, is that family table use is most basic
One ring.Intelligent family table correct wiring is directly connected to the stability of operation of power networks and the stability of user power utilization and reliability.
Residential building, because circuit is various, field condition is complicated, it is possible to causes intelligent family table error connection, is not easy to judge whether after wiring
Correct wiring, the artificial family of a family one investigation, takes a significant amount of time, energy, greatly reduces the operating efficiency of Field Force.When
Before, new upper and rotation user, field force's field operation workload in face of substantial amounts are substantially improved, and investigation work faces huge
Big challenge.In electric power facility more and more intelligentized today, intelligent family table line misconnection has very big to the collection of family table information data
Influence, increase electric power dress table connect electricity and O＆M department workload, so exploitation one Intelligent Measurement family table error connection set
It is standby to play an important roll.
Utility model content
The purpose of this utility model is to overcome prior art deficiency, and it is an object of the present invention to provide a kind of family table wiring detection system
System, solves the problems, such as manual testing's intelligence family table whether waste time and energy by correct wiring.
The utility model is achieved through the following technical solutions：
A kind of family table wiring detecting system, including power-supplying circuit, voltage x current test circuit, control unit and display
Device, is in series with power-supplying circuit between ammeter outlet live wire and ammeter outlet zero line, the power-supplying circuit include according to
Resistance R0, power supply and the mu balanced circuit of secondary series connection, then be arranged in series between user side live wire and user side zero line at least one
Predetermined resistance Rx, make to form a DC loop, the voltage x current test circuit and power supply between user side and ammeter outlet
Power supply circuit parallel connection is also serially connected between ammeter outlet live wire and ammeter outlet zero line, and the voltage x current test circuit will calculate
Go out resistance Rx resistance it is converted after send control unit to；It is short that described control unit according to resistance Rx resistance enters row line
Connect, misconnection, open circuit or reversal connection judge, and show judged result by display.
Further, the resistance Rx is 1-16, and each resistance Rx settings resistance differs, and each resistance Rx connects
Connect a circuit control relay.
Further, the resistance Rx is in series with diode and judges wiring both forward and reverse directions with this.
Further, the power supply uses 12V lithium batteries.
Further, described control unit uses msm8953 model Cs PU.
Further, the data communication between computer can be realized by also including RS-232 communication interfaces.
The utility model compared with prior art, has the following advantages and advantages：
A kind of family table wiring detecting system, there is Intelligent Measurement intellectual analysis function, can quickly carry out error connection detection,
Error connection problem is more clearly found, the equipment can disposably test 16 family intelligence family tables, and the family of a family one is investigated than usual, save
Substantial amounts of time, energy.The equipment is compact, portable, single independently can carry and operates, save artificial labor service.Carry significantly
The detection efficiency of field personnel is risen.This test system does not need circuit is powered can just complete test.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, the restriction to the utility model embodiment is not formed.In the accompanying drawings：
Fig. 1 is a kind of family table wiring detecting system structural representation of the utility model；
Fig. 2 is the structural representation that a kind of family table wiring detecting system of the utility model detects Duo Tai families table；
Fig. 3 is the circuit theory schematic diagram of the utility model voltage x current test circuit；
Fig. 4 is the circuit theory schematic diagram of the utility model mu balanced circuit；
Mark and corresponding parts title in accompanying drawing：
1- power-supplying circuits, 2- voltage x current test circuits, 3- control units, 4- displays, 5- resistance R0,6- electricity
Source, 7- mu balanced circuits, 8- resistance Rx, 9- relay, 10- diodes.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, it is not intended as to restriction of the present utility model.
Embodiment
As shown in Figure 1-2, a kind of family table wiring detecting system of the utility model, including power-supplying circuit 1, voltage x current
Test circuit 2, control unit 3 and display 4, power supply power supply electricity is in series between ammeter outlet live wire and ammeter outlet zero line
Road 1, power-supplying circuit 1 include resistance R05, power supply 6 and the mu balanced circuit 7 being sequentially connected in series, then in user side live wire and user
At least one predetermined resistance Rx8 is arranged in series between the zero line of side, makes to form a DC loop between user side and ammeter outlet,
The voltage x current test circuit 2 is in parallel with power-supplying circuit 1 be also serially connected in ammeter outlet live wire and ammeter outlet zero line it
Between, the voltage x current test circuit 2 sends the resistance for calculating resistance Rx8 to control unit 3 after A/D is changed；Control
Unit 3 carries out line short circuit, misconnection, open circuit or reversal connection according to resistance Rx8 resistance and judged, and is shown and judged by display 4
As a result.Control unit 3 can use msm8953 model Cs PU.A kind of family table wiring detecting system also includes RS-232 communication interfaces
The data communication between computer can be achieved.RS-232 communication interfaces are connected with control unit 3.
Resistance Rx8 is 1-16, and each resistance Rx8 settings resistance differs, and each resistance Rx8 is all connected with a circuit
Control relay 9.
As shown in Figure 3, voltage x current test circuit 2 is to utilize 89S51 single-chip microcomputer combination A/D conversion chips ADC0832
Build DC voltage numeral table；Tested voltage passes through operational amplification circuit, is transformed into signal amplitude by A/D range of receiving and turns
Change data signal into, data signal can be directly over the processing of 89S51 single-chip microcomputers and preserve.Resistance Rx8 is in series with diode 10 with this
Judge wiring both forward and reverse directions.Power supply 6 uses 12V lithium batteries.
A kind of family table wiring detecting system of the utility model utilizes lithium battery, and 16 group relays, passes through CPU element control
Make (control unit 3), add a steady dc voltage, and one between 16 groups of ammeter outgoing line side Live line Zero lines respectively
The resistance (R0 in Fig. 1) of stable resistance, then the good resistance of advance host setting is put between user side live wire, zero line
(Rx in Fig. 1,16 families are different resistances), thus using a DC loop is formed between user side and ammeter outlet, lead to
The voltage crossed on test Rx, using R0 and Rx partial pressure, calculates Rx resistances, to judge whether wiring is correct.
Power-supplying circuit：Using 12V lithium battery power supplies, input voltage is depressured, then with single-phase bridge diode
Rectification is carried out to it, the charging and discharging effects of electric capacity are utilized after rectification, it are filtered with electrochemical capacitor, by the direct current of pulsation
Buckling is more smooth DC voltage.
As shown in figure 4, mu balanced circuit 7 is made up of voltage-stabiliser tube and triode, it is used as triode Q1's using voltage-stabiliser tube D1 voltages
Reference voltage, circuit introduces negative voltage feedback, brilliant when voltage ripple of power network causes the change of R2 both end voltages to increase (reduction)
Body pipe transmitting electrode potential will be with rise (reduction), and the voltage of voltage stabilizing pipe end is basically unchanged, therefore base potential is constant, so by
(rise) will be reduced by, which understanding, causes the reduction of base current and emitter current (increase) so that the voltage at R both ends, which reduces, (to be risen
It is high), so as to reach the effect of voltage stabilizing.
Voltage x current test module：Using 89S51 single-chip microcomputer combination A/D conversion chip ADC0832, DC voltage number is built
Word table；Tested voltage passes through operational amplification circuit, is transformed into the signal amplitude of OK range, thus can be by A/D reception
Scope is simultaneously converted into data signal, and data signal can be directly over single-chip microcomputer processing and preserve.
Using 16 relays, control one by one respectively, voltage tester, storage are carried out to the resistance Rx8 of every group of user side.Electricity
After pressure test, signal transfers to data processing module, is contrasted by calculating, calculates the electricity in the resistance Rx8 being put into user family
Hinder resistance；So as to judge resistance value and being pre-designed whether resistance value corresponds to, so as to carry out line short circuit, misconnection, open circuit,
Reversal connection is judged；Matched for example, if i rooms calculate resistance value with j room design resistance values, and j rooms calculate electricity
Resistance matches with i room design resistance values, then circuit misconnection；If resistance value is calculated as infinity, line broken circuit；If calculate
Resistance value is up to tens kilo-ohms but is not infinity, then line reversal；Each household test data is stored simultaneously；Resistance Rx (8)
The resistance of different resistances, and series diode, wiring both forward and reverse directions are judged with this.
The purpose of this utility model, technical scheme and beneficial effect are further described, should be understood that
It is that the foregoing is only specific embodiment of the present utility model, is not used to limit the scope of protection of the utility model,
All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, done etc., should be included in this reality
Within new protection domain.
Claims (6)
1. a kind of family table wiring detecting system, including power-supplying circuit (1), voltage x current test circuit (2), control unit
And display (4) (3), it is characterised in that：Power-supplying circuit is in series between ammeter outlet live wire and ammeter outlet zero line
(1), the power-supplying circuit (1) includes resistance R0 (5), power supply (6) and the mu balanced circuit (7) being sequentially connected in series, then in user
At least one predetermined resistance Rx (8) is arranged in series between side live wire and user side zero line, makes shape between user side and ammeter outlet
Into a DC loop, the voltage x current test circuit (2) is in parallel with power-supplying circuit (1) to be also serially connected in ammeter outlet fire
Between line and ammeter outlet zero line, passed after resistance that the voltage x current test circuit (2) will calculate resistance Rx (8) is converted
Give control unit (3)；Described control unit (3) carries out line short circuit, misconnection, open circuit or anti-according to resistance Rx (8) resistance
Judgement is connect, and judged result is shown by display (4).
A kind of 2. family table wiring detecting system according to claim 1, it is characterised in that：The resistance Rx (8) is 1-16
Individual, each resistance Rx (8) setting resistance differs, and each resistance Rx (8) is all connected with a circuit control relay (9).
A kind of 3. family table wiring detecting system according to claim 1, it is characterised in that：The resistance Rx (8) is in series with
Diode (10) judges wiring both forward and reverse directions with this.
A kind of 4. family table wiring detecting system according to claim 1, it is characterised in that：The power supply (6) uses 12V lithiums
Battery.
A kind of 5. family table wiring detecting system according to claim 1, it is characterised in that：Described control unit (3) uses
Msm8953 model Cs PU.
A kind of 6. family table wiring detecting system according to claim 1, it is characterised in that：Also include RS-232 communications to connect
The data communication between computer can be achieved in mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720682326.6U CN206804782U (en) | 2017-06-13 | 2017-06-13 | A kind of family table wiring detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720682326.6U CN206804782U (en) | 2017-06-13 | 2017-06-13 | A kind of family table wiring detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206804782U true CN206804782U (en) | 2017-12-26 |
Family
ID=60746816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720682326.6U Active CN206804782U (en) | 2017-06-13 | 2017-06-13 | A kind of family table wiring detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206804782U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085454A (en) * | 2018-07-03 | 2018-12-25 | 江苏方天电力技术有限公司 | A kind of metering based on big data analysis is visited one house after another intelligent discriminating method |
| CN112433180A (en) * | 2020-11-04 | 2021-03-02 | 国网北京市电力公司 | Intelligent wiring detector for electric energy meter |
-
2017
- 2017-06-13 CN CN201720682326.6U patent/CN206804782U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085454A (en) * | 2018-07-03 | 2018-12-25 | 江苏方天电力技术有限公司 | A kind of metering based on big data analysis is visited one house after another intelligent discriminating method |
| CN109085454B (en) * | 2018-07-03 | 2020-11-24 | 江苏方天电力技术有限公司 | Intelligent measurement cross-family discrimination method based on big data analysis |
| CN112433180A (en) * | 2020-11-04 | 2021-03-02 | 国网北京市电力公司 | Intelligent wiring detector for electric energy meter |
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