CN2452029Y - Fast device for testing lines - Google Patents
Fast device for testing lines Download PDFInfo
- Publication number
- CN2452029Y CN2452029Y CN 99229884 CN99229884U CN2452029Y CN 2452029 Y CN2452029 Y CN 2452029Y CN 99229884 CN99229884 CN 99229884 CN 99229884 U CN99229884 U CN 99229884U CN 2452029 Y CN2452029 Y CN 2452029Y
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- Prior art keywords
- bearing
- circuit
- fire
- multimeter
- good
- Prior art date
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Abstract
The utility model provides a line matching device, which is composed of a support 1 and an identifying circuit. The utility model is characterized in that a multiple core wire identifying elements S0, S1, S2,... S< N > form a group of R, L, C circuits with different parameters; a double core wire identifying element Ss is a DC power supply or a diode; one end of each multiple core wire identifying element of the Ss, S0, S1, S2,... S< N > are connected in paralled with each other; the other end of each multiple core wire identifying element is connected to fast wire clamping terminals L< live wire >, L0, L1, L2,... L< N >, forming the identifying circuit 2. The utility model has the advantages of exquisite structure, intellectualization, self-checking function, low cost, portability, etc. The utility model is suitable for the maching of various electric wires and cables of two or more than two cores.
Description
The utility model a kind of quick line connector of touching upon.
In manufacturing, maintenance and the installation of communication, broadcasting, electric power and electric equipment facility, unavoidably cable core and other protection cover wires are carried out line is numbered.Conventional is to use datum line, multimeter or battery bulb and intercom, mobile phone etc. to the line gimmick, need two people and more than, time and effort consuming, fallibility easily influence construction quality and progress.At present, existing DX-II type line connector, identification circuit is with many two, triode formation, and is too complicated, volume is big, function singleness (only supplying) to line, inconvenience is carried, and is not directly perceived to the toe-in fruit, bright secretly record one by one according to bulb, the user of service only knows the result and does not know why like this that physical concept is unclear, is unfavorable for artificial cognition result's the true and false, be easy to make mistakes, when broken string or short circuit, the offside that still need turn back operation, and do not have self-checking function, in case itself goes wrong, directly influence the toe-in fruit, but also be difficult to find reason, so fail to obtain to promote.
That the purpose of this utility model will provide exactly is more simple on a kind of principle, clear physics conception, result are easy to judgement, tool self-checking function, inexpensive, the quick line connector of be easy to carry (uniting two into one with multimeter).
The utility model is achieved in that a kind of quick line connector is made of bearing 1, identification circuit 2, is characterized in that: split conductor recognition component S
0, S
1, S
2S
NBe the resistance of one group of different parameters or electric capacity or the inductance of different parameters or the similar rlc circuit of different parameters of different parameters; Double wired conductor recognition component SS is direct supply or diode, is good with diode, because both consumed energy with direct supply (as dry cell), measurement result is subjected to the influence of direct supply technology status (as voltage) again, and then both resistance was stable for diode, did not consume energy again; S
S, S
0, S
1, S
2S
NAn end parallel connection, the other end is received quick card line terminals L respectively
Fire, L
0, L
0, L
2L
NConstitute identification circuit 2.
Split conductor recognition component S
0, S
1, S
2S
NResistance with one group of different parameters is good because it is more stable than inductance, electric capacity and various rlc circuit performance, resistance with K Ω value resistance for well, S herein
0, S
1, S
2S
NThe resistance parameter difference is meant under the situation of measuring error and parallel impedance interference, the resistance value Z that measures
0, Z
1Z
NCan clearly differentiate.For full access way (treating quick card line terminals is all inserted at the two ends of each heart yearn), differentially should be not less than 0.5K Ω, be good with 1K Ω, S
0Be 0, S
0, S
2S
NRespectively than 1,2 ... big 0.01 to the 0.61K Ω of NK Ω is good with big 0.1 to 0.3K Ω; For access way (treat that the end to heart yearn all inserts the card line terminals of identification circuit 2, the other end is measured in twos) in twos, be good with no repeated code, S
0Be 0, S
1, S
2S
NRespectively than 1,2,4,7,12 ... (S
N-2+ S
N-1+ 1) big 0.01 to the 0.49K Ω of K Ω is good with big 0.1 to 0.3K Ω.To treat that the end to double wired conductor inserts L successively
Fire, L
0, be added in the unidirectional current that forms in the closed circuit according to unidirectional conduction of diode or direct supply (as dry cell), detect in other end I, III, work as S
SDuring for diode, both available resistance measuring circuit, also available diode metering circuit detects, as use digimer, available 200K Ω shelves, or with the corresponding gear measurement of pointer multimeter, if reading is arranged, what then red table rod connect is " fire " line (this moment, red table rod was connected on the III), and what an other table rod connect is " 0 " line; If the reading infinity, then line is opposite.Work as S
SBe good with dry cell during with direct supply, this moment, measure portion 3 can be with galvanometer or multimeter.
The utility model can have test section 3,3 and be made of bearing 4, conversion switch 5, and 5 by quick card line terminals K
Fire, K
0, K
1, K
2K
NWith switch D
0, D
1D
NForm leading-out terminal III and K with pole plate 7,8 and leading-out terminal I, II, III
FireConnect, I and pole plate 7 connect, and II and pole plate 8 connect, and just often block line terminals K fast
0, K
1, K
2K
NBy switch D
0, D
1D
NLink to each other with pole plate 8, as certain switch D
XWhen transition status, corresponding K
XJust link to each other by linking to each other with pole plate 8 to be converted to pole plate 7.One end of split conductor is received L successively
0, L
1, L
2L
M(M≤N), the other end is received K arbitrarily
0, K
1, K
2K
M, metering circuit or multimeter are connected on the pole plate 7,8 by I, II, and 7 and 8 circuit are obstructed, as certain switch D
XWhen transition status, corresponding K
XJust link to each other by linking to each other with pole plate 8 to be converted to pole plate 7, this moment 7 is through D
X, K
X, X heart yearn, L
X, S
X, to S
S, S
0, S
1, S
2S
MAn end in parallel, again via other each lines (the containing corresponding recognition component) shunt circuit to 8 except that the X heart yearn, if recognition component is foregoing resistance, when X=0,7,8 circuit impedances are 0 (S
0) add S
1, S
2S
MParallel impedance (it is worth less than 1K Ω), impedance is less than 1K Ω, when X was not 0,7,8 impedance was S
X, because other each impedance parallel connection, wherein S
0Be 0,, thereby, conclude number number of heart yearn according to the round values of impedance measurements so the resistance value of parallel circuit is 0.Principle is similar therewith under other recognition components.
Test section 3 of the present utility model can also have measure portion 6 and register 9,6 is metering circuit or the multimeter that can measure corresponding recognition component parameter, is good with digimer; 9 can be liquid crystal or electronic display, place K
0, K
1K
NOr D
0, D
1D
NCorresponding position on the limit is when pressing D
XThe time, measure portion 6 shows measurement result and is input to K simultaneously
XOr D
XThe liquid crystal of corresponding position or electronic display and self-sustaining on the limit, the font size that the digital font size of display result after with radix point is not more than before the radix point is advisable, with the word behind the radix point high before radix point high half of word be good, the reading of so being more convenient for rounding, when disconnecting liquid crystal or electronic display general supply, demonstration side disappears, and 9 can be specific record paper also, places K
0, K
1K
NOr D
0, D
1D
NCorresponding position on the limit is when pressing D
XThe time, measure portion 6 shows measurement result, note measurement result with pen this moment on specific record paper.
The utility model can also have self-checking function: CH
1, CH
2Be a pair of plug, socket, be contained in respectively on bearing 1 and 4, at each recognition component S
S, S
0, S
1S
NWith the corresponding line terminals of card fast L
Fire, L
0, L
1, L
2L
NBetween with lead and CH
1Link to each other, at K
Fire, K
0, K
1K
NWith III, D
0, D
1D
NBetween with lead and CH
2Link to each other CH
1With CH
2To pegging graft, can make L
Fire, L
0... L
NRespectively with K
Fire, K
0K
NConnect (linking to each other with subscript), can realize self-checking function, method is as follows: when recognition component is impedance, be connected on I, the II with multimeter or resistance measuring circuit, press D successively
0, D
1D
N, the integral part of measurement result should be respectively 0,1,2 ... NK Ω, otherwise there is problem on the X road that is not inconsistent, can make a sign, empty need not, do not influence the toe-in fruit.
Differentiate table
| 0 | 1 | 2 | 4 | 7 | … | |
| 0 | 1 | 2 | 4 | 7 | … | |
| 1 | 1 | 3 | 5 | 8 | … | |
| 2 | 2 | 3 | 6 | 9 | … | |
| 4 | 4 | 5 | 6 | 11 | … | |
| 7 | 7 | 8 | 9 | 11 | … | |
| … | … | … | … | … | … | … |
The utility model can also be realized like this: can have test section 3,3 are made of bearing 4, measure portion 6, measure portion 6 is for measuring the metering circuit or the multimeter of corresponding recognition component parameter, and 6 also can have the meter rod or extend wire clamp and differentiation table (differentiate table shown in the last figure and differentiate table for no repeated code).With split conductor (split conductor i.e. three cores reaches to reach the standard grade) is example, at one end numbers earlier, and inserts L successively
0, L
1, L
2L
M(m≤N), the other end is measured in twos with table, because the recognition component difference, so can judge the core wire size according to measurement result, as if making recognition component with resistance, differentially should be not less than 0.5K Ω, is good with 1K Ω, S
0Be 0, S
1, S
2S
NRespectively than 0,1,2 ... big 0.01 to the 0.61K Ω of NK Ω is good with big 0.1 to 0.3K Ω; But for access way in twos, be good still with no repeated code, i.e. S
0Be 0, S
1, S
2S
NRespectively than 0,1,2,4,7,12 ... (S
N-2+ S
N-1+ 1) big 0.01 to the 0.49K Ω of K Ω is good with big 0.1 to 0.3K Ω.For example survey A, B two lines, when measured value is 3K Ω, can conclude that this two line is that recognition component is 1,2K Ω (integral part, line down together), measure one of them again as A line and other lines such as C line,, can conclude that then the C line is that recognition component is the line of 7K Ω if the result is 8K Ω, the A line then is that recognition component is the line of 1K Ω, the B line be exactly recognition component be the line of 2K Ω.So, just know the core number of three lines through twice measurement, then can be with any row culture datum line of these three lines, the recognition component parameter that measurement result deducts datum line just obtains the recognition component value of institute's survey line, and is also succinctly convenient.6 also can have single-chip microcomputer and display screen, and measurement result input single-chip microcomputer is differentiated and automatically by showing core wire size number.Also can be with differentiation table (as above differentiating shown in the table), find possible core wire size number by measurement result.
Structurally the utility model can be achieved like this: bearing 1 is made box-like, all the other each several parts is comprised therebetween, and multimeter can be put oneself in the midst of; The bearing 1 that maybe will comprise identification circuit 2 is made box-like and is with an absorption clamp, and is adsorbable on multimeter (bottom or top and side all can), pulls up during use to get final product.
The utility model can also be realized like this: bearing 1 and 4 meshes into box-like, all the other each several parts is comprised therebetween, and multimeter can be put oneself in the midst of.The bearing 1 that maybe will comprise identification circuit 2 is made box-like and is with an absorption clamp, and is adsorbable on multimeter (bottom or top and side all can), pulls up during use to get final product; The bearing 4 that will comprise conversion switch 5 is made box-like and is with an absorption clamp, and is adsorbable on multimeter (bottom or top and side all can), pulls up during use to get final product; Maybe will comprise conversion switch 5, bearing 4, metering circuit and particularly make an integral body in the test section 3 of multimeter 6 etc., the bearing 1 that will comprise identification circuit 2 is made box-like and is with an absorption clamp, adsorbable in multimeter test section 3 in aggregates on (bottom or top and side all can), pull up during use and get final product.
The utility model can also be realized like this: bearing 1 and 4 meshes into box-like, and all the other each several parts are comprised therebetween; Or test section 3 (comprising bearing 4, measure portion 6) made an integral body, the bearing 1 that comprises identification circuit 2 is with an absorption clamp, and is adsorbable on 3.
The utility model can also be realized like this: identification circuit 2 and (or) test section 3 has the extension wire clamp; 2 also can have two utmost points, three utmost points, four utmost points and multi-pole plug, draw respectively from (K
Fire, K
0), (K
0, K
1, K
2), (K
0, K
1, K
2, K
3) and (K
0, K
1, K
2K
M), M≤N.
The utility model can also be realized like this: bearing (containing 1 and 4) can be by timber, bakelite, plastics, rubber, fiberglass, epoxy resin etc. nonmetal or metals such as iron and steel, copper, aluminium and alloy thereof make; Integrated circuit be assembled or be made to circuit can with the discrete circuit element assembling or by means of printed circuit board (PCB).
Advantage of the present utility model and good effect are as follows:
The design of exquisite " a string many also ":, work as D by the circuit that identification circuit 2, split conductor to be measured 10 and conversion switch 5 constitute
XWhen being in transition status, form S
XConnect with the circuit after remaining recognition component parallel connection, so-called " a string many also " both solved datum line, again because S
0Be 0, any impedance its result in parallel with 0 is 0, and the preferred K Ω of recognition component value resistance, on the one hand other circuit component stable performances of resistance ratio, the impedance for the treatment of survey line is on the other hand compared to ignore with K Ω value resistance and is not remembered that recognition component is simply effective, when X=0,7,8 circuit impedances are 0 (S
0) add S
1, S
2S
MParallel impedance (it is worth less than 1K Ω), impedance is less than 1K Ω, when X was not 0,7,8 impedance was S
X, because other each impedance parallel connection, wherein S
0Be 0, so the resistance value of parallel circuit is 0, thereby, conclude number number of heart yearn, accurately the toe-in fruit according to the round values of impedance measurements.When detecting in twos, two lines constitute the loop mutually, have also solved the datum line problem, and particularly recognition component is with no repeated code method, for example, for resistance, S
0Be 0, S
1S
NRespectively than 1,2,4,7,12 ... (S
N-2+ S
N-1+ 1) big 0.01 to the 0.49K Ω of K Ω is good with big 0.1 to 0.3K Ω, makes only corresponding a kind of possible heart yearn combination of each measurement result, and the identification heart yearn is fast, accurate, certainly for double wired conductor, by S
S, being added in the unidirectional current that forms in the closed circuit according to unidirectional conduction of diode or direct supply (as dry cell), can accurately judge, realized singlely fast to line, be suitable for two cores and above various split conductors or cable.Clear physics conception, also just hand is differentiated broken string and short circuit, the simplest circuit component resistance is done recognition component, the circuit of succinct elder generation and back string, make the gauger can remain clear-headed brains, from measurement result correct decision core wire size, the defective that the result is difficult to distinguish the true from the false of having avoided that complex components such as triode do that identification circuit causes.When broken string, disconnected as the Line 1 for 5 heart yearns, then the measured resistance value of each heart yearn (the round numbers part greater than 1) is respectively: 0.95, ∞, 2,3,4K Ω, decidable core wire size; When short circuit, as 1, No. 2 line short circuit, then the measured resistance value of 0-4 core (the round numbers part greater than 1) is respectively; 0.53,0,0,3,4K Ω, can judge the core wire size.
Can do like this when the utility model only is made of identification circuit 2 and its bearing 1: bearing 1 is made box-like, all the other each several parts is comprised therebetween, and multimeter can be put oneself in the midst of; The bearing 1 that maybe will comprise identification circuit 2 is made box-like and is with an absorption clamp, and is adsorbable on multimeter (bottom or top and side all can), pulls up during use to get final product, and is easy to carry.
Can also realize like this when the utility model has the test section: bearing 1 and 4 meshes into box-like, all the other each several parts is comprised therebetween, and multimeter can be put oneself in the midst of.The bearing 1 that maybe will comprise identification circuit 2 is made box-like and is with an absorption clamp, and is adsorbable on multimeter (bottom or top and side all can), pulls up during use to get final product; The bearing 4 that will comprise conversion switch 5 is made box-like and is with an absorption clamp, and is adsorbable on multimeter (bottom or top and side all can), pulls up during use to get final product; Maybe will comprise conversion switch 5, bearing 4, metering circuit and particularly make an integral body in the test section 3 of multimeter 6 etc., the bearing 1 that will comprise identification circuit 2 is made box-like and is with an absorption clamp, adsorbable in multimeter test section 3 in aggregates on (bottom or top and side all can), pull up during use and get final product.
The utility model can also be realized like this: bearing 1 and 4 meshes into box-like, and all the other each several parts are comprised therebetween; Or test section 3 (comprising bearing 4, measure portion 6) made an integral body, the bearing 1 that comprises identification circuit 2 is with an absorption clamp, and is adsorbable on 3.Measure portion is good with multimeter, the portability global design scheme that each scheme is all preferred and multimeter carries out multi-functional unification.
Accompanying drawing is the schematic diagram that the utility model is preferentially selected embodiment for use, and 1 is bearing, and 2 is identification circuit, and 3 is the test section, and 4 is bearing, and 5 is conversion switch, and 7,8 is pole plate, and I II III is a leading-out terminal, and CH1, CH2 are a pair of self check multi-pin connector socket, L
Fire, L
0, L
1, L
2L
NAnd K
Fire, K
0, K
1, K
2K
NFor blocking line terminals, S fast
S, S
0, S
1S
NBe recognition component.6 is measure portion.
The utility model optimum implementation is as follows:
Its identification circuit 2 usefulness integrated circuit of a kind of quick line connector or P.e.c. constitute, split conductor recognition component S
0, S
1, S
2S
NBe the resistance of one group of different parameters, S
0Be 0, S
1, S
2S
NResistance value is respectively than 1,2 ... big 0.1 to the 0.3K Ω of NK Ω; Double wired conductor recognition component S
SBe diode; S
S, S
0, S
1, S
2S
NAn end parallel connection, the other end is received quick card line terminals L respectively
Fire, L
0, L
1, L
2L
NConstitute identification circuit 2; CH
1Be the self check plug, at each recognition component S
S, S
0, S
1S
NWith the corresponding line terminals of card fast L
Fire, L
0, L
1, L
2L
NBetween with lead and CH
1Link to each other.Block line terminals L fast
Fire, L
0, L
1, L
2L
NAnd CH
1Be contained in the surface of bearing 1, bearing 1 usefulness plastics or epoxy resin are made, and other parts with 2 comprise wherein, and 1 is with an absorption clamp, adsorbable on the multimeter or test section 3.
Test section 3 is made of bearing 4, conversion switch 5, measure portion 6, register 9.5 usefulness integrated circuit or P.e.c. are made, and 5 by quick card line terminals K
Fire, K
0, K
1, K
2K
NWith switch D
0, D
1D
NForm leading-out terminal III and K with pole plate 7,8 and leading-out terminal I, II, III
FireConnect, 1 connects with pole plate 7, and II connects with pole plate 8, just often blocks line terminals K fast
0, K
1, K
2K
NBy switch D
0, D
1D
NLink to each other with pole plate 8, as certain switch D
XWhen transition status, corresponding K
XJust link to each other by linking to each other with pole plate 8 to be converted to pole plate 7; CH
2For from seizure socket, at K
Fire, K
0, K
1K
NWith III, D
0, D
1D
NBetween with lead and CH
2Link to each other CH
1With CH
2To pegging graft, make L
Fire, L
0... L
NRespectively with K
Fire, K
0K
NConnect (linking to each other), to realize self-checking function with subscript; 6 for measuring the digimer of corresponding recognition component parameter; 9 can be LCDs, place K
0, K
1K
NOr D
0, D
1D
NCorresponding position on the limit is when pressing D
XThe time, measure portion 6 shows measurement result and is input to K simultaneously
XOr D
XThe LCDs of corresponding position (each D on the limit
XJust press with correspondence 9 in a fritter LCDs and 6 connect) and self-sustaining, when disconnecting the display screen total power switch or when turn-offing the power supply of measure portion 6, demonstration side disappears, word behind the LCDs display result radix point high before radix point high half of word be good, when disconnecting the LCDs general supply, demonstration side disappears; An integral body is made in test section 3, and bearing 4 usefulness plastics are made box-like, and there is panel, the K of multimeter 6 on its surface
0, K
1K
NAnd D
0, D
1D
NButton, leading-out terminal I, II, III and LCDs 9 and from seizure socket CH
2, other parts comprise wherein.
The utility model has the extension wire clamp, has the insulating blanked clamper of insulation, the inside conduction to constitute outside it is reached by protection cover wire and plug, and its plug can insert quick card line terminals easily, and insulating blanked clamper can pick up lead easily, and can keep insulation between the insulating blanked clamper.Have two utmost points, three utmost points, four utmost points and multi-pole plug or socket, draw respectively from (K
Fire, K
0), (K
0, K
1, K
2), (K
0, K
1, K
2, K
3) and (K
0, K
1, K
2K
M), M≤N.
Claims (9)
1, a kind of quick line connector is made of bearing (1), identification circuit (2), it is characterized in that: split conductor recognition component S
0, S
1, S
2S
NBe the resistance of one group of different parameters or electric capacity or the inductance of different parameters or the similar rlc circuit of different parameters of different parameters; Double wired conductor recognition component SS is direct supply or diode, is good with diode; S
S, S
0, S
1, S
2S
NAn end parallel connection, the other end is received quick card line terminals L respectively
Fire, L
0, L
1, L
2L
NConstitute identification circuit (2).
2, quick line connector according to claim 1 is characterized in that: have test section (3), (3) are made of bearing (4), conversion switch (5), and (5) are by quick card line terminals K
Fire, K
0, K
1, K
2K
NWith switch D
0, D
1D
NAnd pole plate (7), (8) and leading-out terminal I, II, III are formed leading-out terminal III and K
FireConnect, I and pole plate (7) connect, and II and pole plate (8) connect, and just often block line terminals K fast
0, K
1, K
2K
NBy switch D
0, D
1D
NLink to each other with pole plate (8), as certain switch D
λWhen transition status, corresponding K
XJust link to each other by linking to each other with pole plate (8) to be converted to pole plate (7).
3, quick line connector according to claim 1, it is characterized in that: have test section (3), (3) constitute by bearing (4), measure portion (6), measure portion (6) is for measuring the metering circuit or the multimeter of corresponding recognition component parameter, (6) also can have single-chip microcomputer and display screen, automatically differentiate and demonstration core wire size number, (6) also can have the meter rod or extend wire clamp and differentiation table.
4, quick line connector according to claim 2, it is characterized in that: test section (3) also have measure portion (6) and register (9), (6) for measuring the metering circuit or the multimeter of corresponding recognition component parameter, (9) can be liquid crystal or electronic display, place K
0, K
1K
NOr D
0, D
1D
NCorresponding position on the limit is when pressing D
XThe time, measure portion (6) shows measurement result and is input to K simultaneously
XOr D
XThe liquid crystal of corresponding position or electronic display and self-sustaining on the limit, the font size that the digital font size of display result after with radix point is not more than before the radix point is advisable, with the word behind the radix point high before radix point high half of word be good, when disconnecting liquid crystal or electronic display general supply, demonstration side disappears, (9) can be specific record paper also, place K
0, K
1K
NOr D
0, D
1D
NCorresponding position on the limit.
5, quick line connector according to claim 1 is characterized in that: split conductor recognition component S
0, S
1, S
2S
NResistance with one group of different parameters is good, and resistance for well, for full access way, differentially should be not less than 0.5K Ω with K Ω value resistance, is good with 1K Ω, S
0Be 0, S
1, S
2S
NRespectively than 1,2 ... big 0.01 to the 0.61K Ω of Nk Ω is good with big 0.1 to 0.3k Ω, for access way in twos, is good with no repeated code; S
0Be 0, S
1, S
2S
NRespectively than 1,2,4,7,12 ... (S
N2+ S
N+1+ 1) big 0.01 to the 0.49K Ω of K Ω is good with big 0.1 to 0.3k Ω.
6, according to claim 2 or 4 described quick line connectors, it is characterized in that: CH
1, CH
2Be a pair of plug, socket, be contained in respectively on bearing (1) and (4), at each recognition component S
S, S
0, S
1S
NWith the corresponding line terminals of card fast L
Fire, L
0, L
1, L
2L
8Between with lead and CH
1Link to each other, at K
Fire, K
0, K
1K
NWith III, D
0, D
1D
NBetween with lead and CH
2Link to each other CH
1With CH
2To pegging graft, make L
Fire, L
0L
NRespectively with K
Fire, K
0... K
NConnect (linking to each other), to realize self-checking function with subscript.
7, quick line connector according to claim 1 is characterized in that: bearing (1) becomes box-like, all the other each several parts is comprised therebetween, and multimeter can be put oneself in the midst of; The bearing (1) that maybe will comprise identification circuit (2) is with an absorption clamp, and is adsorbable on multimeter.
8, quick line connector according to claim 2 is characterized in that: bearing (1) and (4) are meshed into box-like, all the other each several parts are comprised therebetween, and multimeter can be put oneself in the midst of.
9, quick line connector according to claim 1 and 2 is characterized in that: bearing can be by timber, bakelite, plastics, rubber, fiberglass, epoxy resin etc. nonmetal or metals such as iron and steel, copper, aluminium and alloy thereof make; Integrated circuit be assembled or be made to circuit can with the discrete circuit element assembling or by means of printed circuit board (PCB).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99229884 CN2452029Y (en) | 1999-11-05 | 1999-11-05 | Fast device for testing lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99229884 CN2452029Y (en) | 1999-11-05 | 1999-11-05 | Fast device for testing lines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2452029Y true CN2452029Y (en) | 2001-10-03 |
Family
ID=34019056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99229884 Expired - Fee Related CN2452029Y (en) | 1999-11-05 | 1999-11-05 | Fast device for testing lines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2452029Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033720A (en) * | 2012-12-09 | 2013-04-10 | 太原理工大学 | Multi-core cable long distance distinguishing method |
| CN103364687A (en) * | 2013-08-05 | 2013-10-23 | 南车洛阳机车有限公司 | Correction device for wire harness of locomotive connector |
| CN103399247A (en) * | 2013-07-11 | 2013-11-20 | 国家电网公司 | Alignment device special for electrical energy metering |
| CN103364687B (en) * | 2013-08-05 | 2016-11-30 | 南车洛阳机车有限公司 | Locomotive adapter wire harness verifying unit |
-
1999
- 1999-11-05 CN CN 99229884 patent/CN2452029Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033720A (en) * | 2012-12-09 | 2013-04-10 | 太原理工大学 | Multi-core cable long distance distinguishing method |
| CN103033720B (en) * | 2012-12-09 | 2015-12-02 | 太原理工大学 | A kind of long distance discrimination method of polycore cable |
| CN103399247A (en) * | 2013-07-11 | 2013-11-20 | 国家电网公司 | Alignment device special for electrical energy metering |
| CN103364687A (en) * | 2013-08-05 | 2013-10-23 | 南车洛阳机车有限公司 | Correction device for wire harness of locomotive connector |
| CN103364687B (en) * | 2013-08-05 | 2016-11-30 | 南车洛阳机车有限公司 | Locomotive adapter wire harness verifying unit |
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