CN109085449A - A kind of double-power intelligent wakes up to line hunting instrument - Google Patents
A kind of double-power intelligent wakes up to line hunting instrument Download PDFInfo
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- CN109085449A CN109085449A CN201810923554.7A CN201810923554A CN109085449A CN 109085449 A CN109085449 A CN 109085449A CN 201810923554 A CN201810923554 A CN 201810923554A CN 109085449 A CN109085449 A CN 109085449A
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- 238000012360 testing method Methods 0.000 claims abstract description 27
- 239000003990 capacitor Substances 0.000 claims description 35
- 230000005611 electricity Effects 0.000 claims description 6
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001347978 Major minor Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
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Abstract
The invention discloses a kind of double-power intelligents to wake up to line hunting instrument, including host and slave, the host is connect by testing 6PIN line with slave, this double-power intelligent wakes up simple to line hunting instrument structure, using the combination of the first MCU on host and the 2nd MCU in slave, when host is when issuing the signal of hunting, after inserting a thread into the corresponding socket of slave, slave can be by testing 6PIN line and testing 8PIN line line to mono- wake-up signal of the first MCU of host, jump to host to ray mode from hunting mode, ray mode is tested, it does not need to carry out fallback, it does not waste time, it is shown using two 8 alphanumeric code pipes, the test result of host and slave, test result is only shown in slave, it is this will it is main i.e. and the test result of slave is displayed along, the erroneous judgement to line can be reduced , while improving the accuracy rate of test and improving working efficiency, simply, intuitively.
Description
Technical field
The present invention relates to hunting instrument technical field, specially a kind of double-power intelligent is waken up to line hunting instrument.
Background technique
With popularizing for network, the place that cable, telephone wire use is more and more, and cable, telephone wire are before use, need
It is detected, whether detection interface wiring is correct, when detection, often uses hunting instrument, line finder can rapidly efficiently
Ground finds required cable from a large amount of harness cable, is network cable, communication cable, various metallic circuit construction works and day
The indispensable tool of cable is searched in normal maintenance process.But existing hunting instrument has the disadvantage in that in the market
1, existing hunting instrument is in the failure of repair line because hunting be both of which to line, it is laggard finding line
Row needs to return to the movement done at host and but change switch to line, if host is in different floors or apart from farther out, needs in this way
Come fallback, more wasteful time；
2, hunting instrument on the market is there are one disadvantage, major-minor machine do not have it is side-by-side come to line in the case where, and
If one-man tests, a kind of line sequence mistake is unrecognized；
3, since the electric current of 9V battery is minimum, the battery that tester consumes at work is very more, not environmentally, use cost
It is high.
Summary of the invention
The purpose of the present invention is to provide a kind of double-power intelligents to wake up to line hunting instrument, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme: a kind of double-power intelligent wakes up to line hunting instrument, packet
Host and slave are included, the host is attached with slave, and the inside of the host and slave includes external power supply circuit, liter
Volt circuit, power switch, 6PIN socket and 8PIN socket, the inside of host further include the first MCU, and the inside of slave further includes
Two MCU.
Preferably, the host is connect by test 6PIN line or test 8PIN line with slave.
Preferably, the outer surface of the slave is connected with display device, and the number of display device is two, and is in set in parallel
It sets, the display device is 8 alphanumeric code pipes or row's LED lamp device, and the inside of slave further includes for driving 8 alphanumeric code pipes
Driving chip IC4.
Preferably, the external power supply circuit include CON3, diode D2, diode D3, diode D4, resistance R22 with
And the anode of resistance R21, the diode D3 are connect with the output end of battery, the power supply in the cathode and host of diode D3 is opened
The driving switch 5 of pass connects, and the cathode of the diode D2 is connected between diode D3 and the driving switch 5 of power switch,
The anode of diode D2 is connect with the cathode of diode D4, and the anode of diode D4 is connect with one end pin of CON3, the electricity
One end ground connection of R22 is hindered, the other end of resistance R22 is connected between CON3 and diode D4, the resistance R21 and resistance R22
It is in parallel.
Preferably, the CON3 is Micro USB socket, and the model of diode D2 and diode D4 are 1N4148, two
The resistance value of the model 1N5817, the resistance R22 and resistance R21 of pole pipe D3 are 120 Ω.
Preferably, the booster circuit includes chip IC 1, inductance L3, diode D1, capacitor C8, capacitor C10 and capacitor
The anode of C3, capacitor C8 are connect with the driving switch 7 of the power switch in host, and the cathode of capacitor C8 and the anode of capacitor C3 connect
Connect, the cathode of capacitor C3 is connected with No. 3 pins of chip IC 1, No. 2 pins of chip IC 1 ground connection, No. 1 pin of chip IC 1 with
No. 1 pin of inductance L3 connects, and No. 2 pins of inductance L3 are connected between capacitor C8 and the driving switch 7 of power switch, described
The anode of diode D1 is connected between inductance L3 and chip IC 1, and the cathode of diode D1 is connected with No. 3 pins of inductance L3,
The anode of the capacitor C10 is connected between capacitor C8 and capacitor C3, and the cathode of capacitor C10 is connected with No. 3 pins of inductance L3.
Preferably, No. 1 opposite pin of two 8 alphanumeric code pipes, No. 2 pins, No. 4 pins, No. 5 pins, No. 6 draw
Foot, No. 7 pins, No. 9 pins and No. 10 pins are connected from the different pins on driving chip IC4 respectively after being connected in succession, 8 numbers of words
No. 1 pin of code pipe is connected with No. 10 pins of driving chip IC4, and No. 6 of No. 2 pins of 8 alphanumeric code pipes and driving chip IC4
Pin is connected, and No. 4 pins of 8 alphanumeric code pipes are connected with No. 5 pins of driving chip IC4, No. 5 pins of 8 alphanumeric code pipes and drive
No. 13 pins of dynamic chip IC 4 are connected, and No. 6 pins of 8 alphanumeric code pipes are connected with No. 4 pins of driving chip IC4,8 alphanumeric codes
No. 7 pins of pipe are connected with No. 3 pins of driving chip IC4, and No. 9 pins of 8 alphanumeric code pipes draw with No. 11 of driving chip IC4
Foot is connected, and No. 10 pins of 8 alphanumeric code pipes are connected with No. 12 pins of driving chip IC4, and No. 7 of the driving chip IC4 are drawn
Foot ground connection, 1, No. 2 pin of driving chip IC4 are connected with resistance R4 after being connected, and No. 8 pins of driving chip IC4 are connected with electricity
R3 is hindered, No. 9 pins of driving chip IC4 are connected with resistance R54.
Preferably, the first MCU includes 18 pins, and the 2nd MCU includes 20 pins.
Compared with prior art, the beneficial effects of the present invention are:
1, using the combination of the first MCU on host and the 2nd MCU in slave, when host is in the signal for issuing hunting
When, after inserting a thread into the corresponding socket of slave, slave can be by test 6PIN line and test 8PIN line line to the first of host
Mono- wake-up signal of MCU, jumps to host to ray mode from hunting mode, test ray mode, does not need to carry out fallback, no
It wastes time；
2, it is shown using two 8 alphanumeric code pipes, the test result of host and slave, test result is only shown in slave
Show, it is this will it is main i.e. and the test result of slave is displayed along, the erroneous judgement to line can be reduced, while improving the accurate of test
Rate and raising working efficiency, simply, intuitively；
3, using booster circuit, the power supply of input is raised to corresponding voltage for the power supply of hunting instrument, to prevent external power supply
It charges to disposable battery, with the battery power that can save a large amount of preciousnesses after this patent hunting instrument completely, reduces battery pollution
Environment reaches the requirement of environmental protection, in addition, increasing diode D3, at battery power supply to protect battery.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is host circuit schematic diagram of the present invention；
Fig. 3 is slave circuit diagram of the present invention；
Fig. 4 is the circuit diagram of the external power supply circuit of the present invention；
Fig. 5 is the circuit diagram of booster circuit of the present invention；
Fig. 6 is the circuit diagram of the first MCU of the present invention；
Fig. 7 is the circuit diagram of the 2nd MCU of the present invention；
Fig. 8 is the connection circuit diagram of 8 alphanumeric code pipes and driving chip IC4 of the invention.
In figure: host 1, slave 2, test 6PIN line 3, test 8PIN line 4, display device 5.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 6, Fig. 7 and Fig. 8, a kind of double-power intelligent is waken up to line hunting instrument, including 1 He of host
Slave 2, according to testing requirement, selection test 6PIN line 3 or selection test 8PIN line 4 connect host 1 and slave 2
Tested, the inside of host 1 and slave 2 include external power supply circuit, booster circuit, power switch, 6PIN socket and
8PIN socket, the inside of host 1 further include the first MCU, and the inside of slave 2 further includes the 2nd MCU, and the first MCU includes 18 and draws
Foot, the 2nd MCU include 20 pins, and the outer surface of slave 2 is connected with display device 5, and the number of display device 5 is two, and
It is set in parallel, display device 5 is 8 alphanumeric code pipes, and first 8 alphanumeric code pipe is the serial number of host side, second 8 alphanumeric code pipe
For the serial number at slave end, the inside of slave 2 further includes the driving chip IC4 for driving 8 alphanumeric code pipes.
No. 1 opposite pin of two 8 alphanumeric code pipes, No. 2 pins, No. 4 pins, No. 5 pins, No. 6 pins, No. 7 pins, 9
Number pin and No. 10 pins are connected from the different pins on driving chip IC4 respectively after being connected in succession, and No. 1 of 8 alphanumeric code pipes is drawn
Foot is connected with No. 10 pins of driving chip IC4, and No. 2 pins of 8 alphanumeric code pipes are connected with No. 6 pins of driving chip IC4, and 8
No. 4 pins of alphanumeric code pipe are connected with No. 5 pins of driving chip IC4, and No. 5 pins of 8 alphanumeric code pipes are with driving chip IC4's
No. 13 pins are connected, and No. 6 pins of 8 alphanumeric code pipes are connected with No. 4 pins of driving chip IC4, No. 7 pins of 8 alphanumeric code pipes
It is connected with No. 3 pins of driving chip IC4, No. 9 pins of 8 alphanumeric code pipes are connected with No. 11 pins of driving chip IC4,8 words
No. 10 pins of charactron are connected with No. 12 pins of driving chip IC4, No. 7 pins ground connection of driving chip IC4, driving chip
1, No. 2 pin of IC4 is connected with resistance R4 after being connected, and No. 8 pins of driving chip IC4 are connected with resistance R3, driving chip IC4
No. 9 pins be connected with resistance R54, the hunting instrument of this patent, at work, the first MCU in host 1 exports modulation to host 1
Signal, by resistance R8~R16 to 6PIN socket and 8PIN socket, meanwhile, host 1 can also be examined in the specified period of output
Whether have wake-up signal input, when the socket of slave 2 and being connected by test 6PIN line 3 and test 8PIN line 4 for host 1 if surveying
When, slave 2 tells the needs of host 1 to enter to ray mode, and host 1 ought receive wake-up signal and just jump to ray mode, and output is every
The different code of line, is given to slave 2, and the signal of each interface can be received, be identified compared with, by test result by slave 2
It is shown by two 8 alphanumeric code pipes.
Embodiment 2
Unlike the first embodiment, the display device of the outer surface connection of slave 2 is two rows of LED lamp devices.
Embodiment 3
With reference to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, external power supply circuit include CON3, diode D2, diode D3, diode D4,
The anode of resistance R22 and resistance R21, diode D3 are connect with the output end of battery, in the cathode and host 1 of diode D3
The driving switch 5 of power switch connects, the cathode of diode D2 be connected to diode D3 and power switch driving switch 5 it
Between, the anode of diode D2 is connect with the cathode of diode D4, and the anode of diode D4 is connect with one end pin of CON3, resistance
One end of R22 is grounded, and the other end of resistance R22 is connected between CON3 and diode D4, and resistance R21 is in parallel with resistance R22.
CON3 is Micro USB socket, the input socket of external power supply, and the model of diode D2 and diode D4 are 1N4148, two
The resistance value of the model 1N5817 of pole pipe D3, resistance R22 and resistance R21 are 120 Ω.This is external electric supply socket power supply electricity
Road can connect mobile phone 5V charger with external power supply, also can use charger baby power supply, has the advantage that
1) diode D2 and diode 4 are isolating diode, when equipped with No. 7 battery power supplies of 2 section of 3V battery, battery
Energy will not be consumed by resistance R21 and resistance 22；
2) when external power supply is charger baby, because there is part charger baby to have low current defencive function, exactly charging is less than
When 70MA, output can be closed after one minute, so the resistance R22 and resistance R21 of two 120 Ω of setting, allow charger baby to provide electricity
Source, to work.
Booster circuit includes chip IC 1, inductance L3, diode D1, capacitor C8, capacitor C10 and capacitor C3, and capacitor C8 is just
Pole is connect with the driving switch 7 of the power switch in host 1, and the cathode of capacitor C8 is connect with the anode of capacitor C3, capacitor C3's
Cathode is connected with No. 3 pins of chip IC 1, No. 2 pins of chip IC 1 ground connection, and No. 1 of No. 1 pin of chip IC 1 and inductance L3
Pin connection, No. 2 pins of inductance L3 are connected between capacitor C8 and the driving switch 7 of power switch, the anode of diode D1
It is connected between inductance L3 and chip IC 1, the cathode of diode D1 is connected with No. 3 pins of inductance L3, and the anode of capacitor C10 is even
It is connected between capacitor C8 and capacitor C3, the cathode of capacitor C10 is connected with No. 3 pins of inductance L3.The process of work is as follows:
5 volts of DC power supplies are accessed on host 1:MICRO USB socket, 5 volts of input power passes through isolating diode D2
And D4, it is given to the 5PIN of switch, when switch position 1 or 3, voltage exports IC1 from switch, and IC1, which is boosted to, is given to the after 5V
One MCU, the first MCU accordingly export modulated signal and are given to 6PIN/8PIN socket by resistance RR8~R16.
5 volts of DC power supplies are accessed on slave 2:MICRO USB socket, 5 volts of input power passes through isolating diode D7
With diode D21, it is given to the 6PIN of switch, when switch position 1 or 3, voltage exports IC5 from switch, after IC5 boosts to 5V
It is given to the 2nd MCU, the 2nd MCU accordingly exports wake-up signal and is given to by resistance R15/16/17/18/21/23/26/27/28
6PIN/8PIN socket.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of double-power intelligent wakes up to line hunting instrument, including host (1) and slave (2), it is characterised in that: the host
(1) it is attached with slave (2), the inside of the host (1) and slave (2) includes external power supply circuit, booster circuit, electricity
Source switch, 6PIN socket and 8PIN socket, the inside of host (1) further include the first MCU, and the inside of slave (2) further includes second
MCU。
2. a kind of double-power intelligent according to claim 1 wakes up to line hunting instrument, it is characterised in that: the host (1)
It is connect by test 6PIN line (3) or test 8PIN line (4) with slave (2).
3. a kind of double-power intelligent according to claim 1 wakes up to line hunting instrument, it is characterised in that: the slave (2)
Outer surface be connected with display device (5), the number of display device (5) is two, and is set in parallel, the display device
It (5) is 8 alphanumeric code pipes or row's LED lamp device, the inside of slave (2) further includes the driving chip for driving 8 alphanumeric code pipes
IC4。
4. a kind of double-power intelligent according to claim 1 wakes up to line hunting instrument, it is characterised in that: the external power supply
Circuit includes CON3, diode D2, diode D3, diode D4, resistance R22 and resistance R21, the anode of the diode D3
It being connect with the output end of battery, the cathode of diode D3 is connect with the driving switch 5 of the power switch in host (1), and described two
The cathode of pole pipe D2 is connected between diode D3 and the driving switch 5 of power switch, anode and the diode D4 of diode D2
Cathode connection, the anode of diode D4 connect with one end pin of CON3, and one end of the resistance R22 is grounded, resistance R22's
The other end is connected between CON3 and diode D4, and the resistance R21 is in parallel with resistance R22.
5. a kind of double-power intelligent according to claim 4 wakes up to line hunting instrument, it is characterised in that: the CON3 is
Micro USB socket, the model of diode D2 and diode D4 are 1N4148, the model 1N5817 of diode D3, described
The resistance value of resistance R22 and resistance R21 are 120 Ω.
6. a kind of double-power intelligent according to claim 1 wakes up to line hunting instrument, it is characterised in that: the booster circuit
Including chip IC 1, inductance L3, diode D1, capacitor C8, capacitor C10 and capacitor C3, in positive and host (1) of capacitor C8
The driving switch 7 of power switch connects, and the cathode of capacitor C8 is connect with the anode of capacitor C3, the cathode and chip IC 1 of capacitor C3
No. 3 pins be connected, No. 2 pins of chip IC 1 ground connection, No. 1 pin of chip IC 1 is connect with No. 1 pin of inductance L3, inductance
No. 2 pins of L3 are connected between capacitor C8 and the driving switch 7 of power switch, and the anode of the diode D1 is connected to inductance
Between L3 and chip IC 1, the cathode of diode D1 is connected with No. 3 pins of inductance L3, and the anode of the capacitor C10 is connected to electricity
Hold between C8 and capacitor C3, the cathode of capacitor C10 is connected with No. 3 pins of inductance L3.
7. a kind of double-power intelligent according to claim 3 wakes up to line hunting instrument, it is characterised in that: two 8 words
No. 1 opposite pin of charactron, No. 2 pins, No. 4 pins, No. 5 pins, No. 6 pins, No. 7 pins, No. 9 pins and No. 10 pins
It is connected respectively from the different pins on driving chip IC4 after being connected in succession, No. 1 pin of 8 alphanumeric code pipes is with driving chip IC4's
No. 10 pins are connected, and No. 2 pins of 8 alphanumeric code pipes are connected with No. 6 pins of driving chip IC4, No. 4 pins of 8 alphanumeric code pipes
It is connected with No. 5 pins of driving chip IC4, No. 5 pins of 8 alphanumeric code pipes are connected with No. 13 pins of driving chip IC4,8 words
No. 6 pins of charactron are connected with No. 4 pins of driving chip IC4, No. 7 pins of 8 alphanumeric code pipes and the 3 of driving chip IC4
Number pin is connected, and No. 9 pins of 8 alphanumeric code pipes are connected with No. 11 pins of driving chip IC4, No. 10 pins of 8 alphanumeric code pipes
It is connected with No. 12 pins of driving chip IC4, No. 7 pins ground connection of the driving chip IC4,1, No. 2 of driving chip IC4 is drawn
Foot is connected with resistance R4 after being connected, No. 8 pins of driving chip IC4 are connected with resistance R3, and No. 9 pins of driving chip IC4 connect
It is connected to resistance R54.
8. a kind of double-power intelligent according to claim 1 wakes up to line hunting instrument, it is characterised in that: the first MCU
Including 18 pins, the 2nd MCU includes 20 pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810923554.7A CN109085449B (en) | 2018-08-14 | 2018-08-14 | Dual-power intelligent wake-up alignment hunting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810923554.7A CN109085449B (en) | 2018-08-14 | 2018-08-14 | Dual-power intelligent wake-up alignment hunting instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109085449A true CN109085449A (en) | 2018-12-25 |
| CN109085449B CN109085449B (en) | 2024-02-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810923554.7A Active CN109085449B (en) | 2018-08-14 | 2018-08-14 | Dual-power intelligent wake-up alignment hunting instrument |
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| Country | Link |
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| CN (1) | CN109085449B (en) |
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| JPH03242562A (en) * | 1990-02-20 | 1991-10-29 | Fujitsu Syst Constr Kk | Insulation testing apparatus |
| JPH0886822A (en) * | 1994-09-14 | 1996-04-02 | Sumitomo Wiring Syst Ltd | Wire harness inspection instrument |
| CN2758784Y (en) * | 2004-12-27 | 2006-02-15 | 沈科学 | Cable tester |
| CN200986582Y (en) * | 2006-12-20 | 2007-12-05 | 孙社文 | Communication cable integration integrated test device |
| CN101207836A (en) * | 2006-12-18 | 2008-06-25 | 中兴通讯股份有限公司 | Method for detecting at least one cable |
| CN103267924A (en) * | 2013-06-09 | 2013-08-28 | 颜廷财 | Quick intelligent aligner |
| CN203775200U (en) * | 2013-12-20 | 2014-08-13 | 雷鸣 | Hunting system having on-off detection and selection functions |
| CN107271848A (en) * | 2017-06-29 | 2017-10-20 | 上海三北实业有限公司 | A kind of cable hunting tester and its operating method |
| JP2018078763A (en) * | 2016-11-11 | 2018-05-17 | 公益財団法人鉄道総合技術研究所 | Power conversion device, power conversion method, power conversion program, and electric vehicle |
| CN209570653U (en) * | 2018-08-14 | 2019-11-01 | 深圳市成鹏基电子科技有限公司 | A kind of double-power intelligent wakes up to line hunting instrument |
-
2018
- 2018-08-14 CN CN201810923554.7A patent/CN109085449B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03242562A (en) * | 1990-02-20 | 1991-10-29 | Fujitsu Syst Constr Kk | Insulation testing apparatus |
| JPH0886822A (en) * | 1994-09-14 | 1996-04-02 | Sumitomo Wiring Syst Ltd | Wire harness inspection instrument |
| CN2758784Y (en) * | 2004-12-27 | 2006-02-15 | 沈科学 | Cable tester |
| CN101207836A (en) * | 2006-12-18 | 2008-06-25 | 中兴通讯股份有限公司 | Method for detecting at least one cable |
| CN200986582Y (en) * | 2006-12-20 | 2007-12-05 | 孙社文 | Communication cable integration integrated test device |
| CN103267924A (en) * | 2013-06-09 | 2013-08-28 | 颜廷财 | Quick intelligent aligner |
| CN203775200U (en) * | 2013-12-20 | 2014-08-13 | 雷鸣 | Hunting system having on-off detection and selection functions |
| JP2018078763A (en) * | 2016-11-11 | 2018-05-17 | 公益財団法人鉄道総合技術研究所 | Power conversion device, power conversion method, power conversion program, and electric vehicle |
| CN107271848A (en) * | 2017-06-29 | 2017-10-20 | 上海三北实业有限公司 | A kind of cable hunting tester and its operating method |
| CN209570653U (en) * | 2018-08-14 | 2019-11-01 | 深圳市成鹏基电子科技有限公司 | A kind of double-power intelligent wakes up to line hunting instrument |
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| Publication number | Publication date |
|---|---|
| CN109085449B (en) | 2024-02-20 |
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