CN206594251U - A kind of power cable phasing device - Google Patents
A kind of power cable phasing device Download PDFInfo
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- CN206594251U CN206594251U CN201720350892.7U CN201720350892U CN206594251U CN 206594251 U CN206594251 U CN 206594251U CN 201720350892 U CN201720350892 U CN 201720350892U CN 206594251 U CN206594251 U CN 206594251U
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- Prior art keywords
- ground wire
- power cable
- lead
- wire lead
- output
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Abstract
The utility model is related to a kind of power cable phasing device, belongs to power cable and determines phase, nuclear phase technical field.Technical scheme is：Include signal generation apparatus (1) and signal receiving device (9)；Signal generation apparatus, by dc source (2), power switch (3), power safety (4), multi-channel Time relay (7), start button (6), stop button (5), output ground wire lead（8）With output lead (14) composition；Signal receiving device (9), is made up of input lead (12), indicator lamp (10), input ground wire lead (16), ground wire terminal (15) and binding post (11).The utility model good effect：When carrying out power cable nuclear phase, determine phase, it is simple to operate, time-consuming less, operating efficiency is high, measurement result is accurate, non-contact electric is dangerous, once complete whole phases determines phase.
Description
Technical field
The utility model is related to a kind of power cable phasing device, belongs to power cable and determines phase, nuclear phase technical field.
Background technology
At present, phase or nuclear phase work are typically carried out power cable using universal meter or insulating megger surely.It is fixed using universal meter
Xiang Shi, first by a phase core of power cable one end and cable metal sheath（Power cable without metal sheath can use PE
Line or zero line）Use wire short circuit, the power cable other end with universal meter resistance grade or buzzing shelves measure one by one each phase core with
Cable metal sheath（PE lines or zero line）Between resistance, resistance value is close to zero or beeps the core of sound then and opposite end
With cable metal sheath（PE lines or zero line）The core of phase short circuit is same phase.Power cable can be made respectively using same method
The corresponding each phase in two ends.When determining phase using insulating megger, in power cable one end, with a phase line of insulating megger test cable
Core and cable metal sheath（Power cable without metal sheath can use PE lines or zero line）Between insulaion resistance, test
Before remaining should not tested to phase core and cable metal sheath（PE lines or zero line）Wire short circuit is used, after measurement, in power cable
Other end wire is by each phase core to cable metal sheath（PE lines or zero line）Discharge one by one, produce discharge spark and discharging sound
It is mutually same phase that the core of sound is then tested with cable opposite end.Power cable two ends can be made respectively using same method corresponding
Each phase.The problem of prior art is present be：Need repeatedly to be tested and checked really for multi-core power cable, when determining phase
Recognize, it is time-consuming longer, also easy occurrence record mistake is tested repeatedly.When determining phase using universal meter, for the electricity of core defective insulation
Power cable, is easily judged by accident.When determining phase using insulating megger, easily occurs Danger Electric shock risk, for the longer electric power electricity of length
Cable, the charging interval is longer when shaking survey cable.
Utility model content
The utility model purpose is to provide a kind of power cable phasing device, simple to operate using simple circuit structure, surveys
Measure result accurate, non-contact electric is dangerous, and the multiphase of a power cable can be made simultaneously, overcomes existing power cable to exist when determining phase
Cumbersome, time-consuming, easy erroneous judgement, Danger Electric shock risk the problems such as.
Technical solutions of the utility model are：
A kind of power cable phasing device, includes signal generation apparatus and signal receiving device；
Signal generation apparatus, by dc source, power switch, power safety, multi-channel Time relay, start button, stops
Only button, output ground wire lead and output lead composition, dc source by power switch and power safety and multi-channel Time after
Electrical equipment is connected, and multi-channel Time relay is provided with start button and stop button, and the multi-channel output of multi-channel Time relay leads to
Excessive root output lead is connected respectively with many cored wires of power cable one end；Export one end of ground wire lead directly and direct current
Source negative pole connection, output end of the output ground wire lead other end not with multi-channel Time relay is connected, and output ground wire lead is another
End is connected with the input ground wire lead of signal receiving device；
Signal receiving device, is made up of input lead, indicator lamp, input ground wire lead, ground wire terminal and binding post, many
One end of multiple indicator lamps is connected on individual binding post respectively；Multiple binding posts are electric with electric power respectively by many input leads
Many cored wires of the cable other end are connected respectively；The other end of multiple indicator lamps connects ground wire terminal, input ground wire lead one jointly
End is connected with ground wire terminal, and the output ground wire lead of the input ground wire lead other end and signal generation apparatus is connected.
The other end of the output ground wire lead is connected on the metal sheath of power cable, inputs the another of ground wire lead
End is connected on the metal sheath of power cable, passes through the metal of power cable between input ground wire lead and output ground wire lead
Sheath links together.
The input ground wire lead and the same cored wire that output ground wire lead can be in power cable, the cored wire one end
Directly it is connected with DC power cathode, the other end is connected with ground wire terminal.
The dc source uses the power supply of below 36V voltages, the voltage class and dc source of multi-channel Time relay
Voltage matches, to ensure personal safety during test.
In order to prevent false wiring, many output leads of signal generation apparatus use the lead of different colors, with area
Point different is separate, for example：A phases are represented with yellow, green represents B phases, and red represents C phases, and blueness represents zero line, yellow green generation
Table PE lines, black represents input ground wire lead and output ground wire lead；The ground wire lead of signal receiving device is also black, ground connection
Line terminals；The many all white leads of input lead.
Multi-channel Time relay, is the product of in the market public offering, equivalent to the combination of multiple time relays, can be with
Each road time relay is set to distinguish break-make in order, through the Posterior circle action that is delayed.The utility model selects five tunnel above multichannels
The time relay determines phase demand with regard to that can meet the following power cable of five cores.
When progress power cable determines phase, signal generation apparatus black output ground wire lead is connect into power cable metal shield first
Layer（Power cable without metal sheath can connect PE lines or zero line）, other output leads connect electricity by A, B, C, N, PE phase sequence
Cable core；Signal receiving device black input ground wire lead is connect into power cable other end metal sheath（Electricity without metal sheath
Power cable can connect PE lines or zero line）, white input lead connects power cable core.Power turn-on is switched, by start button, letter
Number generating means sends voltage pulse signal by A, B, C, N, PE phase sequence, and signal receiving device indicator lamp presses A, B, C, N, PE
Phase sequence is lighted, extinguished, and is repeated to light through the rear indicator light that is delayed, is extinguished, until pressing signal generator stop button or disconnected
Untill switch power supply is switched, by said process, just disposably complete power cable and mutually work surely.
The beneficial effects of the utility model are：When carrying out power cable nuclear phase, determine phase, it is simple to operate, time-consuming less, work
Efficiency high, measurement result are accurate, non-contact electric is dangerous.
Brief description of the drawings
Fig. 1 connects line chart surely for three core power cables of the utility model embodiment one；
Fig. 2 connects line chart surely for four core power cables of the utility model embodiment two；
Fig. 3 connects line chart surely for the 5-core power cable of the utility model embodiment three；
In figure, signal generation apparatus 1, dc source 2, power switch 3, power safety 4, stop button 5, start button 6,
Multi-channel Time relay 7, output ground wire lead 8, signal receiving device 9, indicator lamp 10, binding post 11, input lead 12, electricity
Power cable 13, output lead 14, ground wire terminal 15, input ground wire lead 16.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further by embodiment.
A kind of power cable phasing device, includes signal generation apparatus 1 and signal receiving device 9；
Signal generation apparatus 1, is pressed by dc source 2, power switch 3, power safety 4, multi-channel Time relay 7, startup
Button 6, stop button 5, output ground wire lead 8 and output lead 14 are constituted, and dc source 2 passes through power switch 3 and power safety 4
It is connected with multi-channel Time relay 7, multi-channel Time relay 7 is provided with start button 6 and stop button 5, multi-channel Time relay
The multi-channel output of device 7, is connected respectively by many output leads 14 with many cored wires of the one end of power cable 13；Export ground wire
One end of lead 8 is directly connected with the negative pole of dc source 2, and output ground wire 8 other ends of lead are not defeated with multi-channel Time relay 7
Go out end connection, the other end of output ground wire lead 8 is connected with the input ground wire lead 16 of signal receiving device 9；
Signal receiving device 9, by input lead 12, indicator lamp 10, input ground wire lead 16, ground wire terminal 15 and terminals
Son 11 is constituted, and connects one end of multiple indicator lamps 10 on multiple binding posts 11 respectively；Multiple binding posts 11 are defeated by many
Enter lead 12 to be connected respectively with many cored wires of the other end of power cable 13 respectively；The other end of multiple indicator lamps 10 is connected jointly
Ground wire terminal 15, one end of input ground wire lead 16 is connected with ground wire terminal 15, and the other end of input ground wire lead 16 occurs with signal
The output ground wire lead 8 of device 1 is connected.
The other end of the output ground wire lead 8 is connected on the metal sheath of power cable 13, input ground wire lead 16
The other end be connected on the metal sheath of power cable 13, pass through electricity between input ground wire lead 16 and output ground wire lead 8
The metal sheath of power cable 13 links together；It is ensured that the metal sheath insertion of power cable.
The input ground wire lead 16 and the same cored wire that output ground wire lead 8 can be in power cable 13, the core
Line one end is directly connected with the negative pole of dc source 2, and the other end is connected with ground wire terminal 15.
In order to prevent false wiring, many output leads 14 of signal generation apparatus use the lead of different colors, with
Distinguish different separate, for example：A phases are represented with yellow, green represents B phases, and red represents C phases, and blueness represents zero line, yellow green
PE lines are represented, black represents ground wire lead；The ground wire lead of signal receiving device is also black, ground wire terminal, many inputs
The all white leads of lead.
Multi-channel Time relay is configured first before use, set each road time relay to lead to respectively in order
It is disconnected, through the Posterior circle action that is delayed.
When progress power cable determines phase, signal generation apparatus black output ground wire lead is connect into power cable metal shield first
Layer（Power cable without metal sheath can connect PE lines or zero line）, other output leads connect electricity by A, B, C, N, PE phase sequence
Cable core；Signal receiving device black input ground wire lead is connect into power cable other end metal sheath（Electricity without metal sheath
Power cable can connect PE lines or zero line）, white input lead connects power cable core.Power turn-on is switched, by start button, letter
Number generating means sends voltage pulse signal by A, B, C, N, PE phase sequence, and signal receiving device indicator lamp presses A, B, C, N, PE
Phase sequence is lighted, extinguished, and is repeated to light through the rear indicator light that is delayed, is extinguished, until pressing signal generator stop button or disconnected
Untill switch power supply is switched, by said process, just disposably complete power cable and mutually work surely.
Embodiment one, referring to the drawings 1, three core power cables determine phase, connect black, yellow, green, red output lead, make
With three indicator lamps.
Embodiment two, referring to the drawings 2, four core power cables determine phase, connect black, yellow, green, red, blueness and export and draw
Line, uses four indicator lamps.
Embodiment three, referring to the drawings 3,5-core power cable determines phase, connects black, yellow, green, red, blueness, yellow green
Output lead, uses five indicator lamps.
Claims (4)
1. a kind of power cable phasing device, it is characterised in that:Include signal generation apparatus (1) and signal receiving device (9)；
Signal generation apparatus, by dc source (2), power switch (3), power safety (4), multi-channel Time relay (7), startup
Button (6), stop button (5), output ground wire lead（8）With output lead (14) composition, dc source (2) passes through power switch
(3) be connected with power safety (4) with multi-channel Time relay (7), multi-channel Time relay (7) provided with start button (6) and
Stop button (5), the multi-channel output of multi-channel Time relay (7) passes through many output leads (14) and power cable (13)
The many cored wires of one end are connected respectively；Export ground wire lead（8）One end directly and dc source（2）Negative pole is connected, output ground
Line lead（8）The other end and signal receiving device（9）Input ground wire lead（16）Connection；
Signal receiving device (9), by input lead (12), indicator lamp (10), input ground wire lead (16), ground wire terminal (15) and
Binding post (11) is constituted, and connects one end of multiple indicator lamps (10) on multiple binding posts (11) respectively；Multiple binding posts
(11) many cored wires by many input leads (12) respectively with power cable (13) other end are connected respectively；Multiple indicator lamps
（10）The other end connect ground wire terminal jointly（15）, input ground wire lead (16) one end and ground wire terminal（15）Connection, input
Ground wire lead（16）The other end and signal generation apparatus（1）Output ground wire lead（8）Connection.
2. a kind of power cable phasing device as claimed in claim 1, it is characterised in that：The output ground wire lead（8）It is another
One end is connected to power cable（13）Metal sheath on, input ground wire lead（16）The other end be connected to power cable（13）
Metal sheath on, input ground wire lead（16）With output ground wire lead（8）Between pass through power cable（13）Metal sheath
Link together.
3. a kind of power cable phasing device as claimed in claim 1, it is characterised in that：The input ground wire lead（16）With it is defeated
Go out ground wire lead（8）It is power cable（13）Same interior cored wire, the cored wire one end is directly and dc source（2）Negative pole connects
Connect, the other end and ground wire terminal（15）Connection.
4. a kind of power cable phasing device as claimed in claim 1 or 2, it is characterised in that：The dc source use 36V with
The power supply of lower voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720350892.7U CN206594251U (en) | 2017-04-06 | 2017-04-06 | A kind of power cable phasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720350892.7U CN206594251U (en) | 2017-04-06 | 2017-04-06 | A kind of power cable phasing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206594251U true CN206594251U (en) | 2017-10-27 |
Family
ID=60120795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720350892.7U Expired - Fee Related CN206594251U (en) | 2017-04-06 | 2017-04-06 | A kind of power cable phasing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206594251U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872649A (en) * | 2018-09-06 | 2018-11-23 | 国网山东省电力公司青州市供电公司 | A kind of cable determines phase auxiliary device |
| CN111983522A (en) * | 2020-08-26 | 2020-11-24 | 广东韶钢松山股份有限公司 | Cable detection method |
-
2017
- 2017-04-06 CN CN201720350892.7U patent/CN206594251U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872649A (en) * | 2018-09-06 | 2018-11-23 | 国网山东省电力公司青州市供电公司 | A kind of cable determines phase auxiliary device |
| CN111983522A (en) * | 2020-08-26 | 2020-11-24 | 广东韶钢松山股份有限公司 | Cable detection method |
| CN111983522B (en) * | 2020-08-26 | 2023-01-06 | 广东韶钢松山股份有限公司 | Cable detection method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171027 Termination date: 20180406 |
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| CF01 | Termination of patent right due to non-payment of annual fee |