CN204832362U - Novel phase sequence tester - Google Patents

Novel phase sequence tester Download PDF

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Publication number
CN204832362U
CN204832362U CN201520492340.0U CN201520492340U CN204832362U CN 204832362 U CN204832362 U CN 204832362U CN 201520492340 U CN201520492340 U CN 201520492340U CN 204832362 U CN204832362 U CN 204832362U
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CN
China
Prior art keywords
connecting line
phase sequence
housing
jack
circuit board
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520492340.0U
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Chinese (zh)
Inventor
韩祥庆
毕经华
李磊
马万青
王世爱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiajin Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
Xiajin Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xiajin Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical Xiajin Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority to CN201520492340.0U priority Critical patent/CN204832362U/en
Application granted granted Critical
Publication of CN204832362U publication Critical patent/CN204832362U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a novel phase sequence tester, including phase sequence main survey appearance and phase sequence telegauge, phase sequence main survey appearance includes first casing and sets up first jack and the first pilot lamp on first casing, be equipped with the first circuit board between first jack and the first pilot lamp, set up first connecting wire in the first jack, the phase sequence telegauge includes the second casing and sets up second jack and the second pilot lamp on the second casing, be equipped with second Circuit Board between second jack and the second pilot lamp, second Circuit Board is connected with the first circuit board electricity, set up the second connecting wire in the second jack, the top of first casing and second casing all sets up the spooler. The beneficial effects of the utility model are that: can carry out the detection of phase sequence to the cable, including the spooler can be collected each connecting wire, not only can protect each connecting wire but also make the utility model discloses it is regular orderly.

Description

Novel phase sequence measurer
Technical field
The utility model relates generally to phase sequence technical field of measurement and test, specifically a kind of novel phase sequence measurer.
Background technology
Because original cable routing is lack of standardization; after cable maintenance, transformation, construction, often there will be the situation of cable phase line misconnection, now gently then cause the generation of power outage; heavy then cause the generation of electric equipment operation accident or cause electrical equipment to damage, make troubles to electricity consumption user or lose.Therefore, after cable maintenance, transformation, having constructed, needed to check power cable phase sequence, to guarantee the normal operation of cable and electrical equipment.
Current phase sequence measurer many employings single-chip microcomputer carries out logic analysis mensuration, but in work progress, in order to whether the phase sequence measuring engineering two ends connects correctly, adopt single-chip microcomputer to be difficult to meet construction requirement, and existing general phase sequence measurer connecting line is placed nowhere, easily tangles.
Utility model content
The purpose of this utility model is to provide a kind of novel phase sequence measurer; it can solve deficiency of the prior art; can carry out the detection of phase sequence to cable, each connecting line can be collected interior by spooler, not only can protect each connecting line but also make the utility model in order regular.
The utility model for achieving the above object, is achieved through the following technical solutions:
A kind of novel phase sequence measurer, comprise the main survey instrument of phase sequence and phase sequence telegauge, the main survey instrument of described phase sequence comprises the first housing and the first jack of being arranged on the first housing and the first pilot lamp, first circuit board is provided with between described first jack and the first pilot lamp, described first circuit board is positioned at the inside of the first housing, in described first jack, the first connecting line is set, the other end of described first connecting line arranges the first crocodile clip, described first crocodile clip connects the cable of known phase sequence, described phase sequence telegauge comprises the second housing and the second jack of being arranged on the second housing and the second pilot lamp, second circuit board is provided with between described second jack and the second pilot lamp, described second circuit board is positioned at the inside of the second housing, described second circuit board is electrically connected with first circuit board, in described second jack, the second connecting line is set, the other end of described second connecting line arranges the second crocodile clip, described second crocodile clip connects the cable of unknown phase sequence, the top of described first housing and the second housing all arranges spooler, described spooler comprises shell, described shell is provided with the electric wire intake and conduit outlet that pass through for the first connecting line and the second connecting line, described shell arranges stationary shaft, described stationary shaft is arranged roll and scroll spring, the inner of described scroll spring is fixedly connected with stationary shaft, the outer end of described scroll spring is fixedly connected with roll, one end that described first connecting line is connected with the first jack, one end that second connecting line is connected with the second jack is all fixed on roll and also passes from electric wire intake through roll and stationary shaft, the other end of described first connecting line and the second connecting line is all wrapped on roll and passes from conduit outlet, on described shell, the position of conduit outlet arranges limited slip piece.
Described second housing is arranged slip fixture block plate, described slip fixture block plate is positioned on the downside of the second pilot lamp, and described slip fixture block plate comprises A, B, C, N tetra-slip fixture blocks.
Arrange oscillating bearing in described electric wire intake and conduit outlet, the inside of the inner ring of described oscillating bearing arranges O-ring seal, and described first connecting line and the second connecting line pass in O-ring seal.
Described roll arranges dividing disc, and roll is divided into 4 spaces by described dividing disc.
Described first housing is provided with run indicator, and described run indicator is electrically connected with first circuit board.
Described shell and the first housing, the second housing all removably connect, and described enclosure is provided with the unwrapping wire groove that the first connecting line and the second connecting line pass.
Contrast prior art, the utility model beneficial effect is:
1, the utility model can carry out the detection of phase sequence to cable; each connecting line can be collected interior by spooler; not only can protect each connecting line but also make the utility model in order regular; by the timely contraction of spooler, can protect each connecting line avoid being subject to artificial trample or external force destruction and cause scrapping in advance of each connecting line.
2, the setting of slip fixture block plate, make when carrying out phase sequence test to the cable of unknown phase sequence, do not need artificially with the mental glittering order remembeing the second pilot lamp, only need under A, B, C, N slip fixture block moves to corresponding second pilot lamp by the order successively glittering according to the second pilot lamp, A, B, C, N phase of the corresponding cable of now A, B, C, N slip fixture block difference, regulate the connecting line of cable by this, be not easy to make mistakes, and ensure that the accuracy of connection.
3, oscillating bearing makes the first connecting line and the second connecting line can rotate within the specific limits, and has the effect of protection connecting line, and O-ring seal improves protected effect further.
4, roll is divided into 4 spaces by dividing disc, and the first connecting line and the second connecting line can be in 4 different spaces respectively, avoid the tangled up and knotted between each connecting line.
5, run indicator can reflect ruuning situation of the present utility model, if glittering explanation the utility model normal operation, if not glittering, the utility model existing problems is just described, needs first to search reason.
6, shell and the first housing, the second housing all removably connect, and facilitate the replacing of spooler, unwrapping wire groove plays the effect of protection first connecting line and the second connecting line.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
Accompanying drawing 2 is structural representations of spooler.
Label shown in accompanying drawing: 1, the first housing; 2, the first jack; 3, the first pilot lamp; 4, the first connecting line; 5, the first crocodile clip; 6, the second housing; 7, the second jack; 8, the second pilot lamp; 9, the second connecting line; 10, the second crocodile clip; 11, shell; 12, electric wire intake; 13, conduit outlet; 14, stationary shaft; 15, roll; 16, scroll spring; 17, limited slip piece; 18, slip fixture block plate; 19, oscillating bearing; 20, dividing disc; 21, run indicator; 22, unwrapping wire groove.
Embodiment
By reference to the accompanying drawings and specific embodiment, the utility model is described in further detail.Should be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the utility model instruction.
A kind of novel phase sequence measurer, comprise the main survey instrument of phase sequence and phase sequence telegauge, phase sequence main survey instrument is connected with the cable of known phase sequence, and the phase sequence according to the cable of known phase sequence generates phase sequential signal; Phase sequence telegauge is connected with the circuit under test of unknown phase sequence, treats according to the phase sequential signal that the main survey instrument of phase sequence generates the test that the circuit surveying phase sequence carries out phase sequence.The main survey instrument of described phase sequence comprises the first housing 1 and is arranged at the first jack 2 and the first pilot lamp 3 on the first housing 1, be provided with 4 the first jacks, be corresponding in turn to A, B, C, N phase of the cable of known phase sequence, each first jack 2 is to there being first pilot lamp 3 accordingly.First circuit board is provided with between described first jack 2 and the first pilot lamp 3, described first circuit board is positioned at the inside of the first housing 1, the phase sequence signal feedback realizing the cable of known phase sequence to generate by first circuit board is to the first pilot lamp 3, make the first pilot lamp 3 glittering successively from A to N, again glittering successively from A to N after certain interval of time.In described first jack 2, the first connecting line 4 is set, the other end of described first connecting line 4 arranges the first crocodile clip 5, described first crocodile clip 5 connects the cable of known phase sequence, be provided with four the first crocodile clips 5, connect A, B, C, N phase of the cable of known phase sequence respectively, phase sequence because of cable is known, so the first pilot lamp 3 is glittering successively from A to N.Described phase sequence telegauge comprises the second housing 6 and is arranged at the second jack 7 and the second pilot lamp 8 on the second housing 6, is provided with 4 second jacks 7 and the second pilot lamp 8, and one_to_one corresponding.Second circuit board is provided with between described second jack 7 and the second pilot lamp 8, described second circuit board is positioned at the inside of the second housing 6, described second circuit board is electrically connected with first circuit board, according to the phase sequential signal of the cable of the unknown phase sequence of the output that the phase sequential signal of first circuit board generation is corresponding, namely the glittering order of the first pilot lamp 3 is A, B, C, N, represent the A of known cable successively, B, C, N phase, corresponding second pilot lamp 8 is according to order glittering successively, represent the A of the cable of unknown phase sequence successively, B, C, N phase, because phase sequence is unknown, so the second pilot lamp 8 is not necessarily by 1, 2, 3, the order of 4 is glittering.In described second jack 7, the second connecting line 9 is set, the other end of described second connecting line 9 arranges the second crocodile clip 10, described second crocodile clip 10 connects the cable of unknown phase sequence, be provided with four the second crocodile clips 10, the phase of the cable under test of the unknown phase sequence of any connection, namely corresponding to first glittering the second pilot lamp 8 is the A phase of cable under test, namely corresponding to second glittering the second pilot lamp 8 is the B phase of cable under test, namely corresponding to 3rd glittering the second pilot lamp 8 is the C phase of cable under test, namely corresponding to 4th glittering the second pilot lamp 8 is the N phase of cable under test.The top of described first housing 1 and the second housing 6 all arranges spooler, for receiving the first connecting line 5 and the second connecting line 9.Described spooler comprises shell 11, and described shell 11 is provided with the electric wire intake 12 and conduit outlet 13 that pass through for the first connecting line 5 and the second connecting line 9.Described shell 11 arranges stationary shaft 14, described stationary shaft 14 is arranged roll 15 and scroll spring 16, the inner of described scroll spring 16 is fixedly connected with stationary shaft 14, the outer end of described scroll spring 16 is fixedly connected with roll 15, and scroll spring 16 can drive roll 15 to rotate the connecting line automatic retracted making pull-out.One end that one end that described first connecting line 4 is connected with the first jack 2, the second connecting line 9 are connected with the second jack 7 is all fixed on roll 15 and also passes from electric wire intake 12 through roll 15 and stationary shaft 14, and the other end of described first connecting line 4 and the second connecting line 9 is all wrapped on roll 15 and passes from conduit outlet 13.On described shell 11, the position of conduit outlet 13 arranges limited slip piece 17, can fix the first connecting line 4 and the second connecting line 9 by limited slip piece 17, makes it can not to spooler internal contraction, and limited slip piece 17 can be skidproof buckle or on-slip folder.
When using the utility model, the first connecting line 4 and the second connecting line 9 are pulled out required length in spooler, use limited slip piece 17 to fix, prevent it to spooler internal contraction.By four the first crocodile clips 5 on the first connecting line 4, be connected respectively A, B, C, N phase of the cable of known phase sequence, four the second crocodile clips 10 on the second connecting line 9, connect arbitrarily the cable under test of unknown phase sequence.Open and control power switch of the present utility model, first pilot lamp 3 is glittering successively from A to N, second pilot lamp 8 also can be glittering one by one, namely corresponding to first glittering the second pilot lamp 8 is the A phase of cable under test, namely corresponding to second glittering the second pilot lamp 8 is the B phase of cable under test, namely corresponding to 3rd glittering the second pilot lamp 8 is the C phase of cable under test, and namely corresponding to the 4th glittering the second pilot lamp 8 is the N phase of cable under test.The connecting line of cable is regulated according to A, B, C, N phase recorded.
Described second housing 6 arranges slip fixture block plate 18, and described slip fixture block plate 18 is positioned on the downside of the second pilot lamp 8, and described slip fixture block plate 18 comprises A, B, C, N tetra-slip fixture blocks.When carrying out phase sequence test to the cable of unknown phase sequence, do not need, artificially with the mental glittering order remembeing the second pilot lamp 8, only successively A, B, C, N slip fixture block to be moved to corresponding second pilot lamp 8 times by the order glittering according to the second pilot lamp 8.A, B, C, N phase of the corresponding cable of now A, B, C, N slip fixture block difference, regulates the connecting line of cable, is not easy to make mistakes, and ensure that the accuracy of connection by this.
Arrange oscillating bearing 19 in described electric wire intake 12 and conduit outlet 13, the inside of the inner ring of described oscillating bearing 19 arranges O-ring seal, and described first connecting line 4 and the second connecting line 9 pass in O-ring seal.Oscillating bearing 19 makes the first connecting line 4 and the second connecting line 9 can rotate within the specific limits, and has the effect of protection, and O-ring seal improves protected effect further.
Described roll 15 arranges dividing disc 20, and roll 15 is divided into 4 spaces by described dividing disc 20, and the first connecting line 4 and the second connecting line 9 can be in 4 different spaces respectively, avoid the tangled up and knotted between each connecting line.
Described first housing 1 is provided with run indicator 21, and described run indicator 21 is electrically connected with first circuit board.After turning on the power switch, observe the glittering situation of run indicator 21, just the utility model normal operation is described if glittering, if not glittering, the utility model existing problems are just described, need first to search reason.
Described shell 11 and the first housing 1, second housing 6 all removably connect; facilitate the replacing of spooler; described shell 11 inside is provided with the unwrapping wire groove 22 that the first connecting line 4 and the second connecting line 9 pass, and can play the effect of protection first connecting line 4 and the second connecting line 9.
Embodiment:
Embodiment 1
A kind of novel phase sequence measurer, comprises the main survey instrument of phase sequence and phase sequence telegauge.The main survey instrument of described phase sequence comprises the first housing 1 and is arranged at the first jack 2 and the first pilot lamp 3 on the first housing 1, and be provided with first circuit board between described first jack 2 and the first pilot lamp 3, described first circuit board is positioned at the inside of the first housing 1.Arrange the first connecting line 4 in described first jack 2, the other end of described first connecting line 4 arranges the first crocodile clip 5, and described first crocodile clip 5 connects the cable of known phase sequence.Described first housing 1 establishes run indicator 21, and described run indicator 21 is electrically connected with first circuit board.Described phase sequence telegauge comprises the second housing 6 and is arranged at the second jack 7 and the second pilot lamp 8 on the second housing 6, second circuit board is provided with between described second jack 7 and the second pilot lamp 8, described second circuit board is positioned at the inside of the second housing 6, and described second circuit board is electrically connected with first circuit board.Arrange the second connecting line 9 in described second jack 7, the other end of described second connecting line 9 arranges the second crocodile clip 10, and described second crocodile clip 10 connects the cable of unknown phase sequence.Described second housing 6 arranges slip fixture block plate 18, and described slip fixture block plate 18 is positioned on the downside of the second pilot lamp 8, and described slip fixture block plate 18 comprises A, B, C, N tetra-slip fixture blocks.The top of described first housing 1 and the second housing 6 all arranges spooler, described spooler comprises shell 11, described shell 11 is provided with the electric wire intake 12 and conduit outlet 13 that pass through for the first connecting line 5 and the second connecting line 9, described shell 11 arranges stationary shaft 14, described stationary shaft 14 is arranged roll 15 and scroll spring 16, the inner of described scroll spring 16 is fixedly connected with stationary shaft 14, the outer end of described scroll spring 16 is fixedly connected with roll 15, one end that described first connecting line 4 is connected with the first jack 2, one end that second connecting line 9 is connected with the second jack 7 is all fixed on roll 15 and also passes from electric wire intake 12 through roll 15 and stationary shaft 14, the other end of described first connecting line 4 and the second connecting line 9 is all wrapped on roll 15 and passes from conduit outlet 13, on described shell 11, the position of conduit outlet 13 arranges limited slip piece 17.The beneficial effect of the present embodiment is: slip fixture block plate 18 makes when carrying out phase sequence test to the cable of unknown phase sequence, do not need artificially with the mental glittering order remembeing the second pilot lamp 8, only successively A, B, C, N slip fixture block need be moved to corresponding second pilot lamp 8 times by the order glittering according to the second pilot lamp 8, A, B, C, N phase of the corresponding cable of now A, B, C, N slip fixture block difference, the connecting line of cable is regulated by this, be not easy to make mistakes, and ensure that the accuracy of connection; Run indicator 21 can reflect ruuning situation of the present utility model, if glittering explanation the utility model normal operation, if not glittering, the utility model existing problems is just described, needs first to search reason.
Embodiment 2
A kind of novel phase sequence measurer, comprises the main survey instrument of phase sequence and phase sequence telegauge.The main survey instrument of described phase sequence comprises the first housing 1 and is arranged at the first jack 2 and the first pilot lamp 3 on the first housing 1, and be provided with first circuit board between described first jack 2 and the first pilot lamp 3, described first circuit board is positioned at the inside of the first housing 1.Arrange the first connecting line 4 in described first jack 2, the other end of described first connecting line 4 arranges the first crocodile clip 5, and described first crocodile clip 5 connects the cable of known phase sequence.Described phase sequence telegauge comprises the second housing 6 and is arranged at the second jack 7 and the second pilot lamp 8 on the second housing 6, second circuit board is provided with between described second jack 7 and the second pilot lamp 8, described second circuit board is positioned at the inside of the second housing 6, and described second circuit board is electrically connected with first circuit board.Arrange the second connecting line 9 in described second jack 7, the other end of described second connecting line 9 arranges the second crocodile clip 10, and described second crocodile clip 10 connects the cable of unknown phase sequence.The top of described first housing 1 and the second housing 6 all arranges spooler, and described spooler comprises shell 11, and described shell 11 is provided with the electric wire intake 12 and conduit outlet 13 that pass through for the first connecting line 5 and the second connecting line 9.Described shell 11 arranges stationary shaft 14, described stationary shaft 14 is arranged roll 15 and scroll spring 16, the inner of described scroll spring 16 is fixedly connected with stationary shaft 14, and the outer end of described scroll spring 16 is fixedly connected with roll 15.Described roll 15 arranges dividing disc 20, and roll 15 is divided into 4 spaces by described dividing disc 20.One end that one end that described first connecting line 4 is connected with the first jack 2, the second connecting line 9 are connected with the second jack 7 is all fixed on roll 15 and also passes from electric wire intake 12 through roll 15 and stationary shaft 14, and the other end of described first connecting line 4 and the second connecting line 9 is all wrapped on roll 15 and passes from conduit outlet 13.Arrange oscillating bearing 19 in described electric wire intake 12 and conduit outlet 13, the inside of the inner ring of described oscillating bearing 19 arranges O-ring seal, and described first connecting line 4 and the second connecting line 9 pass in O-ring seal.On described shell 11, the position of conduit outlet 13 arranges limited slip piece 17.Described shell 11 and the first housing 1, second housing 6 all removably connect, and described shell 11 inside is provided with the unwrapping wire groove 22 that the first connecting line 4 and the second connecting line 9 pass.The beneficial effect of the present embodiment is: oscillating bearing 19 makes the first connecting line 4 and the second connecting line 9 can rotate within the specific limits, and has the effect of protection connecting line, and O-ring seal improves protected effect further; Roll is divided into 4 spaces by dividing disc 20, and the first connecting line 4 and the second connecting line 9 all can be in 4 different spaces respectively, avoid the tangled up and knotted between each connecting line; Shell 11 and the first housing 1, second housing 6 all removably connect, and facilitate the replacing of spooler, unwrapping wire groove 22 plays the effect of protection first connecting line 4 and the second connecting line 9.

Claims (6)

1. a novel phase sequence measurer, comprise the main survey instrument of phase sequence and phase sequence telegauge, it is characterized in that: the main survey instrument of described phase sequence comprises the first housing (1) and the first jack (2) of being arranged on the first housing (1) and the first pilot lamp (3), first circuit board is provided with between described first jack (2) and the first pilot lamp (3), described first circuit board is positioned at the inside of the first housing (1), in described first jack (2), the first connecting line (4) is set, the other end of described first connecting line (4) arranges the first crocodile clip (5), described first crocodile clip (5) connects the cable of known phase sequence, described phase sequence telegauge comprises the second housing (6) and the second jack (7) of being arranged on the second housing (6) and the second pilot lamp (8), second circuit board is provided with between described second jack (7) and the second pilot lamp (8), described second circuit board is positioned at the inside of the second housing (6), described second circuit board is electrically connected with first circuit board, in described second jack (7), the second connecting line (9) is set, the other end of described second connecting line (9) arranges the second crocodile clip (10), described second crocodile clip (10) connects the cable of unknown phase sequence, the top of described first housing (1) and the second housing (6) all arranges spooler, described spooler comprises shell (11), described shell (11) is provided with the electric wire intake (12) and conduit outlet (13) that pass through for the first connecting line (5) and the second connecting line (9), described shell (11) is arranged stationary shaft (14), described stationary shaft (14) is arranged roll (15) and scroll spring (16), the inner of described scroll spring (16) is fixedly connected with stationary shaft (14), the outer end of described scroll spring (16) is fixedly connected with roll (15), one end that described first connecting line (4) is connected with the first jack (2), one end that second connecting line (9) is connected with the second jack (7) is all fixed on roll (15) and goes up and pass roll (15) and stationary shaft (14) passes from electric wire intake (12), the other end of described first connecting line (4) and the second connecting line (9) is all wrapped on roll (15) and passes from conduit outlet (13), the position of the upper conduit outlet (13) of described shell (11) arranges limited slip piece (17).
2. the novel phase sequence measurer of one according to claim 1, it is characterized in that: described second housing (6) arranges slip fixture block plate (18), described slip fixture block plate (18) is positioned at the second pilot lamp (8) downside, and described slip fixture block plate (18) comprises A, B, C, N tetra-slip fixture blocks.
3. the novel phase sequence measurer of one according to claim 1, it is characterized in that: in described electric wire intake (12) and conduit outlet (13), oscillating bearing (19) is set, the inside of the inner ring of described oscillating bearing (19) arranges O-ring seal, and described first connecting line (4) and the second connecting line (9) pass in O-ring seal.
4. the novel phase sequence measurer of one according to claim 1, is characterized in that: described roll (15) is arranged dividing disc (20), and roll (15) is divided into 4 spaces by described dividing disc (20).
5. the novel phase sequence measurer of one according to claim 1, is characterized in that: described first housing (1) is provided with run indicator (21), and described run indicator (21) is electrically connected with first circuit board.
6. the novel phase sequence measurer of one according to claim 1, it is characterized in that: described shell (11) and the first housing (1), the second housing (6) all removably connect, described shell (11) inside is provided with the unwrapping wire groove (22) that the first connecting line (4) and the second connecting line (9) pass.
CN201520492340.0U 2015-07-09 2015-07-09 Novel phase sequence tester Expired - Fee Related CN204832362U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520492340.0U CN204832362U (en) 2015-07-09 2015-07-09 Novel phase sequence tester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520492340.0U CN204832362U (en) 2015-07-09 2015-07-09 Novel phase sequence tester

Publications (1)

Publication Number Publication Date
CN204832362U true CN204832362U (en) 2015-12-02

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Application Number Title Priority Date Filing Date
CN201520492340.0U Expired - Fee Related CN204832362U (en) 2015-07-09 2015-07-09 Novel phase sequence tester

Country Status (1)

Country Link
CN (1) CN204832362U (en)

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20151202

Termination date: 20160709