CN206906453U - A kind of rural power grids low-voltage composite measurement table - Google Patents
A kind of rural power grids low-voltage composite measurement table Download PDFInfo
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- CN206906453U CN206906453U CN201720816774.0U CN201720816774U CN206906453U CN 206906453 U CN206906453 U CN 206906453U CN 201720816774 U CN201720816774 U CN 201720816774U CN 206906453 U CN206906453 U CN 206906453U
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Abstract
The utility model discloses a kind of rural power grids low-voltage composite measurement table, including measurement table body, voltage measurement line and current clamp, display screen is provided with above the measurement table body front end face, the measurement table body upper surface is provided with terminal box, the junction box front end is provided with three phase line jacks, and marked as Ua corresponding to three phase line jacks, Ub and Uc, the right side of the phase line jack is provided with zero line jack, and zero line jack marked as N, three phase line jack rear ends are correspondingly provided with three electric current line jacks, and marked as Ia corresponding to three electric current line jacks, Ib and Ic, the connector lug of four voltage measurement lines is plugged in three phase line jacks and zero line jack successively.This rural power grids low-voltage composite measurement table, can be to the three-phase voltage of rural power grids circuit, electric current, phase, phase angle, functional power, reactive power, power factor, mains frequency, phase sequence, harmonic wave etc. while disposable test.Ensure ageing, the accuracy of data.
Description
Technical field
Measuring instrumentss technical field is the utility model is related to, specially a kind of rural power grids low-voltage composite measurement table.
Background technology
Existing equipment can not be tested three three lines, three four lines simultaneously, the phase that causes to draw, phase angle, three
The parameters such as imbalance are inaccurate.Device category is various used in test, perplexs to calibration tape.Technology is unable to accurately to judge
Circuit whether there is problem.
Utility model content
The purpose of this utility model is to provide a kind of rural power grids low-voltage composite measurement table, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the utility model provides following technical scheme：A kind of rural power grids low-voltage composite measurement table, bag
Measurement table body, voltage measurement line and current clamp are included, the quantity of the voltage measurement line is four, and the quantity of the current clamp is
Three, the measurement table body front end face top is provided with display screen, and function button keyboard plate is provided with below the display screen, described
Measurement table body upper surface is provided with terminal box, and the junction box front end is provided with three phase line jacks, and three phase line jacks
It is corresponding that the right side of the phase line jack is provided with zero line jack marked as Ua, Ub and Uc, and zero line jack marked as N, three
The phase line jack rear end is correspondingly provided with three electric current line jacks, and marked as Ia, Ib and Ic corresponding to three electric current line jacks,
The connector lug of four voltage measurement lines is plugged in three phase line jacks and zero line jack successively, and three the current clamp
Connector lug is plugged in three electric current line jacks successively.
Preferably, the terminal box rear end is connected through the hinge waterproof cover.
Preferably, it is provided with line outlet groove in the middle part of the waterproof cover front end face.
Preferably, the measurement table body outer wall is provided with protective jacket.
Preferably, hand-held handle is provided with below the measurement table body.
Compared with prior art, the beneficial effects of the utility model are：This rural power grids low-voltage composite measurement table, can be to rural power grids
Three-phase voltage, electric current, phase, phase angle, functional power, reactive power, power factor, mains frequency, phase sequence, the harmonic wave of circuit
Deng disposable test simultaneously.Ensure ageing, the accuracy of data, wherein specific measurement operation wiring is divided into two kinds, first, it is single
Mutually measurement mode of connection uses any two voltage measurement lines, and two voltage measurement line one end are sequentially inserted into measurement table sheet successively
In any one phase line jack and zero line jack of body.The other end is accessed by the live wire of survey line, zero line, then takes any one electric current
Clamp one end to insert in electric current line jack corresponding with phase line jack, the other end is caught in tested current loop.Second, three-phase and four-line
Measure mode of connection, the connection of pressure-wire：Using special four voltage tester lines, one end be sequentially inserted into measurement table body Ua,
In Ub, Uc, N four phase line jacks, the other end accesses the A phase, B phase, C phase of test line, zero line again.The connection of electric current line：
Three current clamp one end are sequentially inserted into tri- electric current line jacks of Ia, Ib, Ic of measurement table body, then another end terminal is divided
Tested current loop is not caught in.
Brief description of the drawings
Fig. 1 is the utility model measurement table body construction schematic diagram；
Fig. 2 is four voltage measurement cable architecture schematic diagrames of the utility model；
Fig. 3 is the utility model three current clamp structural representation；
Fig. 4 is the utility model junction box structure schematic diagram；
Fig. 5 is the utility model waterproof cover structural representation.
In figure：1 function button keyboard plate, 2 measurement table bodies, 3 display screens, 4 voltage measurement lines, 5 current clamps, 6 terminal boxes,
7 phase line jacks, 8 zero line jacks, 9 electric current line jacks, 10 hinges, 11 waterproof covers, 12 line outlet grooves, 13 protective jackets, 14 hand-held handles.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-5 are referred to, the utility model provides a kind of technical scheme：A kind of rural power grids low-voltage composite measurement table, including
Measurement table body 2, voltage measurement line 4 and current clamp 5, the quantity of the voltage measurement line 4 is four, the number of the current clamp 5
Measure as three, display screen 3 is provided with above the front end face of measurement table body 2, the lower section of display screen 3 is provided with function button keyboard
Plate 1, the upper surface of measurement table body 2 are provided with terminal box 6, and the interior forward end of terminal box 6 is provided with three phase line jacks 7, and
Marked as Ua, Ub and Uc corresponding to three phase line jacks 7, the right side of the phase line jack 7 is provided with zero line jack 8, and zero line is inserted
Hole 8 marked as N, three rear ends of phase line jack 7 are correspondingly provided with three electric current line jacks 9, and three electric current line jacks 9 are right
That answers is plugged on three phase line jacks 7 and zero line successively marked as Ia, Ib and Ic, the connector lug of four voltage measurement lines 4
In jack 8, three are successively plugged on the connector lug of the current clamp 5 in three electric current line jacks 9, and the rear end of terminal box 6 leads to
Cross hinge 10 and connect waterproof cover 11, be provided with line outlet groove 12 in the middle part of the front end face of waterproof cover 11, the outer wall of measurement table body 2 is set
There is protective jacket 13, the lower section of measurement table body 2 is provided with hand-held 14.
Operation principle：Specific measurement operation wiring is divided into two kinds, and first, single-phase measurement mode of connection uses any two electricity
Pressure measurement line 4, two one end of voltage measurement line 4 are sequentially inserted into successively any one phase line jack 7 and zero of measurement table body 2
In line jack 8.The other end is accessed by the live wire of survey line, zero line, then takes the insertion of any one one end of current clamp 5 and phase line jack 7
In corresponding electric current line jack 9, the other end is caught in tested current loop.Second, three-phase and four-line measurement mode of connection, pressure-wire
Connection：Using special four voltage tester lines 4, one end is sequentially inserted into Ua, Ub, Uc, N of measurement table body 2 four phase lines
In jack 7, the other end accesses the A phase, B phase, C phase of test line, zero line again.The connection of electric current line：By three current clamp one end
It is sequentially inserted into tri- electric current line jacks 9 of Ia, Ib, Ic of measurement table body 2, then another end terminal is respectively clamped into tested electric current
Loop.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of rural power grids low-voltage composite measurement table, including measurement table body (2), voltage measurement line (4) and current clamp (5), institute
The quantity for stating voltage measurement line (4) is four, and the quantity of the current clamp (5) is three, it is characterised in that：The measurement table sheet
Display screen (3) is provided with above body (2) front end face, function button keyboard plate (1), the measurement are provided with below the display screen (3)
Table body (2) upper surface is provided with terminal box (6), and terminal box (6) interior forward end is provided with three phase line jacks (7), and three
Corresponding to phase line jack (7) zero line jack (8), and zero line are provided with marked as Ua, Ub and Uc, the right side of the phase line jack (7)
Jack (8) is correspondingly provided with three electric current line jacks (9), and three electric currents marked as N, three phase line jack (7) rear ends
Three phases are plugged on successively marked as Ia, Ib and Ic, the connector lug of four voltage measurement lines (4) corresponding to line jack (9)
In line jack (7) and zero line jack (8), three are plugged on three electric current line jacks (9) successively the connector lug of the current clamp (5)
In.
A kind of 2. rural power grids low-voltage composite measurement table according to claim 1, it is characterised in that：After the terminal box (6)
End connects waterproof cover (11) by hinge (10).
A kind of 3. rural power grids low-voltage composite measurement table according to claim 2, it is characterised in that：Before the waterproof cover (11)
Line outlet groove (12) is provided with the middle part of end face.
A kind of 4. rural power grids low-voltage composite measurement table according to claim 1, it is characterised in that：The measurement table body
(2) outer wall is provided with protective jacket (13).
A kind of 5. rural power grids low-voltage composite measurement table according to claim 1, it is characterised in that：The measurement table body
(2) lower section is provided with hand-held (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720816774.0U CN206906453U (en) | 2017-07-07 | 2017-07-07 | A kind of rural power grids low-voltage composite measurement table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720816774.0U CN206906453U (en) | 2017-07-07 | 2017-07-07 | A kind of rural power grids low-voltage composite measurement table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206906453U true CN206906453U (en) | 2018-01-19 |
Family
ID=61293714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720816774.0U Expired - Fee Related CN206906453U (en) | 2017-07-07 | 2017-07-07 | A kind of rural power grids low-voltage composite measurement table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206906453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487442A (en) * | 2020-04-27 | 2020-08-04 | 浙江稳山电气科技有限公司 | Harmonic detection device for three-phase asymmetric system |
-
2017
- 2017-07-07 CN CN201720816774.0U patent/CN206906453U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487442A (en) * | 2020-04-27 | 2020-08-04 | 浙江稳山电气科技有限公司 | Harmonic detection device for three-phase asymmetric system |
| CN111487442B (en) * | 2020-04-27 | 2022-07-05 | 浙江稳山电气科技有限公司 | Harmonic detection device for three-phase asymmetric system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 Termination date: 20210707 |