CN209640412U - A kind of Novel loop resistance meter - Google Patents
A kind of Novel loop resistance meter Download PDFInfo
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- CN209640412U CN209640412U CN201920006929.3U CN201920006929U CN209640412U CN 209640412 U CN209640412 U CN 209640412U CN 201920006929 U CN201920006929 U CN 201920006929U CN 209640412 U CN209640412 U CN 209640412U
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- 238000012360 testing method Methods 0.000 claims abstract description 97
- 239000004973 liquid crystal related substance Substances 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000001934 delay Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model relates to resistance meter field more particularly to a kind of Novel loop resistance meters.Including instrument host and terminal control case；The instrument host includes current wiring terminal, voltage wiring terminal, operation display, working power interface, power switch and processor；The terminal control case includes ac power switch, DC power supply switch, A test lamp button, B test lamp button, C test lamp button, contactor A, contactor B, contactor C and working power module.The problem of it is cumbersome to solve existing circuit resistance tester test program, takes time and effort, increases time cost of labor, detection cycle extension, or even delays the duration.The utility model not only improves working efficiency there is provided a kind of Novel loop resistance meter, reduces time, cost of labor, and safe, simple, quick, reliable.
Description
Technical field
The utility model relates to resistance meter field more particularly to a kind of Novel loop resistance meters.
Background technique
Currently, circuit resistance tester, whether the loop resistance for being mainly used to test distribution high-tension switch cabinet is qualified, distribution
High-tension switch cabinet has A, B, C three-phase, and common circuit resistance tester also rests on needs after testing a phase, passes through closing
Power switch, then manually replacement test clamp is to an other phase, and manual operation, could complete three-phase loop resistance repeatedly
Test.Nowadays with continuous upgrading, the transformation of power grid, the circuit of controller switching equipment is more and more, so carries out cumbersome inspection
The ranging sequence serious period for affecting inspection.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of Novel loop resistance meters, solve existing circuit
Resistance meter test program is cumbersome, takes time and effort, and increases time cost of labor, detection cycle extends, or even delays the duration
Problem.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of Novel loop resistance meter, including
Instrument host and terminal control case；
The instrument host includes current wiring terminal, voltage wiring terminal, operation display, working power interface, electricity
Source switch and processor, the processor respectively with the current wiring terminal, voltage wiring terminal, operation display, work
Power interface connection, the power switch are arranged between the working power interface and the processor；
The terminal control case includes ac power switch, DC power supply switch, A test lamp button, B test lamp button, C test
Lamp button, contactor A, contactor B, contactor C and working power module, the working power module respectively with the AC power source
Switch, DC power supply switch electrical connection, the contactor A are connect by the A test lamp button with the working power module, institute
It states contactor B and is connect by the B test lamp button with the working power module, the contactor C passes through the C test lamp button
It is connect with the working power module.
Further, the instrument host further includes the first ground terminal, first ground terminal and the working power
Interface electrical connection.
Further, power safety, the power safety are provided between the power switch and the working power interface
It is electrically connected respectively with the power switch, working power interface.
Further, the operation display includes liquid crystal display and test key, and the test key is embedded described
On liquid crystal display, the liquid crystal display and test key are connected to the processor.
It further, further include tester cabinet, the tester box house is provided with host panel, the electric current wiring
Terminal, voltage wiring terminal, the first ground terminal, liquid crystal display, working power interface, power switch, power safety and survey
Examination key is installed on the host panel, and the processor is arranged in the tester cabinet and host panel institute shape
At space in.
Further, the terminal control case further includes power supply indicator, and the power supply indicator is for showing the exchange
The on off operating mode of power switch and DC power supply switch.
Further, the terminal control case further includes involution button, the involution button be used for the A test lamp button,
B test lamp button, C test lamp button carry out involution processing.
It further, further include control box body, the control cabinet box house is provided with control cabinet panel, the contactor
A, contactor B, contactor C and power module are arranged at the control box body and the control cabinet panel is formed by space
Interior, the ac power switch, DC power supply switch, A test lamp button, B test lamp button, C test lamp button are installed in the control
On case panel processed.
The utility model provides a kind of Novel loop resistance meter, including instrument host and terminal control case；
The instrument host includes current wiring terminal, voltage wiring terminal, operation display, working power interface, electricity
Source switch and processor, the processor respectively with the current wiring terminal, voltage wiring terminal, operation display, work
Power interface connection, the power switch are arranged between the working power interface and the processor；
The terminal control case includes ac power switch, DC power supply switch, A test lamp button, B test lamp button, C test
Lamp button, contactor A, contactor B, contactor C and working power module, the working power module respectively with the AC power source
Switch, DC power supply switch electrical connection, the contactor A are connect by the A test lamp button with the working power module, institute
It states contactor B and is connect by the B test lamp button with the working power module, the contactor C passes through the C test lamp button
It is connect with the working power module.In this way, Au+, Bu+, Cu+ and Ai+, B i+, C i+ are respectively connected to by test clamp
High-tension switch cabinet first is spaced on A phase, B phase, C phase wall bushing；U-, I- test clamp are respectively connected to high-tension switch cabinet second
It is spaced on A phase, B phase, C phase wall bushing；Open a terminal ac power switch, the DC power supply switch of control cabinet, presses A test
Lamp button, 22 energized action of A contactor, the A contacts of contactor KMA in the circuit U+ and I+ act closure, and A phase loop resistance data are aobvious
Show on operation display；Involution；Press B test lamp button, B contactor energized action, the B contactor touching in the circuit U+ and I+
Point KMB movement closure, B phase loop resistance data are shown on operation display；Involution；Press C test lamp button, C contactor 24
Energized action, the C contacts of contactor KMC in the circuit U+ and I+ act closure, and C phase loop resistance data are shown in operation display
On；Involution.By this Novel loop resistance meter, the loop resistance test of A phase, B phase and C phase can be rapidly completed in one,
Without artificial commutation test clamp repeatedly, working efficiency is not only improved, but also safe, simple, quick, reliable.
Detailed description of the invention
Fig. 1 is a kind of Novel loop resistance meter host panel position scheme of installation of the utility model；
Fig. 2 is a kind of Novel loop resistance meter tester box structure diagram of the utility model；
Fig. 3 is a kind of Novel loop resistance meter control cabinet positions of panels scheme of installation of the utility model；
Fig. 4 is a kind of Novel loop resistance meter terminal control box structure schematic diagram of the utility model；
Fig. 5 is a kind of Novel loop resistance meter of the utility model and spaced circuitry connection schematic diagram；
Fig. 6 is a kind of Novel loop resistance meter terminal control case circuit connection diagram of the utility model.
In attached drawing, parts list represented by the reference numerals are as follows:
1, instrument host, 2, test clamp, 3, terminal control case, 4, current wiring terminal, 5, voltage wiring terminal, 6,
One ground terminal, 7, liquid crystal display, 8, working power interface, 9, power switch, 10, power safety, 11, test key, 12,
Ac power switch, 13, DC power supply switch, 14, power supply indicator, 15, A test lamp button, 16, B test lamp button, 17, C test
Lamp button, 18, involution button, 19, working power module, 20, control box body, 21, tester cabinet, 22, contactor A, 23, connect
Tentaculum B, 24, contactor C.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
In the description of the present invention, it should be understood that term " on ", "lower", "center", "inner", "outside",
The orientation or positional relationship of the instructions such as "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
State the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
As shown in figs 1 to 6, the utility model provides a kind of Novel loop resistance meter, including instrument host 1 and end
Hold control cabinet 3；
The instrument host 1 includes current wiring terminal 4, voltage wiring terminal 5, operation display, working power interface
8, power switch 9 and processor, the processor are shown with the current wiring terminal 4, voltage wiring terminal 5, operation respectively
Device, working power interface 8 connect, and the power switch 9 is arranged between the working power interface 8 and the processor；
The terminal control case 3 includes ac power switch 12, DC power supply switch 13, A test lamp button 15, B test lamp
Button 16, C test lamp button 17, contactor A22, contactor B23, contactor C24 and working power module 19, the working power
Module 19 is electrically connected with the ac power switch 12, DC power supply switch 13 respectively, and the contactor A22 is surveyed by the A
Examination lamp button 15 is connect with the working power module 19, and the contactor B23 passes through the B test lamp button 16 and the work electricity
Source module 19 connects, and the contactor C24 is connect by the C test lamp button 17 with the working power module 19.In this way, will
Au+, Bu+, Cu+ and Ai+, Bi+, Ci+ are respectively connected to the interval of high-tension switch cabinet first A phase, B phase, C phase by test clamp 2 and wear
On wall sleeve；U-, I- test clamp 2 is respectively connected to high-tension switch cabinet second and is spaced on A phase, B phase, C phase wall bushing.It opens eventually
Ac power switch 12, the DC power supply switch 13 for holding control cabinet 3, press A test lamp button 15,22 energized action of A contactor, U
+ be closed with the A contacts of contactor KMA movement in the circuit I+, A phase loop resistance data are shown on operation display；Involution；It presses
Lower B test lamp button 16, B contactor energized action, the B contacts of contactor KMB in the circuit U+ and I+ act closure, B phase circuit electricity
Resistance data are shown on operation display；Involution；Press C test lamp button 17,24 energized action of C contactor, in the circuit U+ and I+
C contacts of contactor KMC act closure, C phase loop resistance data be shown in operation display on；Involution.Pass through this novel time
Road resistance meter, the loop resistance test of A phase, B phase and C phase can be rapidly completed in one, without artificial commutation test repeatedly
Wire clamp 2 not only improves working efficiency, but also safe, simple, quick, reliable.
The Novel loop resistance meter of the utility model, as shown in figs 1 to 6, the base of the technical solution described in front
It may also is that including instrument host 1, tester cabinet 21, special test wire clamp 2, terminal control case 3 on plinth；The instrument master
Machine 1 is installed in tester cabinet 21, and the instrument host 1 includes current wiring terminal 4, voltage wiring terminal 5, first connects
Ground terminal 6, liquid crystal display 7, working power interface 8, power switch 9, power safety 10, test key 11 etc., mounting arrangements
On host panel；The special test wire clamp 2 includes testing current wire clamp 2 and voltage tester wire clamp 2, is connected to electric current
On connecting terminal 4, voltage wiring terminal 5.The terminal control case 3 includes control box body 20, ac power switch 12, straight
Galvanic electricity source switch 13, power supply indicator 14, A test lamp button 15, B test lamp button 16, C test lamp button 17, involution button 18, and
Contactor A22, contactor B23, contactor C24 and the working power module 19 being mounted in the control box body 20, it is described
Ac power switch 12, DC power supply switch 13, power supply indicator 14, A test lamp button 15, B test lamp button 16, C test lamp button
17,18 mounting arrangements of involution button are on 3 panel of terminal control case, the contactor A22, contactor B23, contactor C24,
And working power module 19 is installed on inside control box body 20.The control that the utility model passes through novel terminal control case 3
The loop resistance test of A phase, B phase and C phase can be rapidly completed in operation, a people, without artificial commutation test clamp 2 repeatedly, no
Working efficiency is only improved, and safe, simple, quick, reliable.
Including instrument host 1, tester cabinet 21, special test wire clamp 2, terminal control case 3, instrument host 1 is installed on
In tester cabinet 21, special test wire clamp 2 is connected to corresponding wiring terminal；Terminal control case 3 and instrument host 1 line after tested
Electrical control is realized in 2 connection of folder；Professional test wire clamp 2 controls on-off by tap in parallel, by terminal control case 3；It is described logical
The A test lamp button 15, B test lamp button 16, C test lamp button 17 of operating terminal control cabinet 3 are crossed, it can be achieved that professional test wire clamp 2
Switch on and off, pass through electric control circuit realize three-phase loop resistance test；Power supply is also equipped in terminal control case 3 to open
9 are closed, can control the on-off of working power；It is also equipped with working power indicator light 14；It is also equipped with the instruction of three-phase test mode；The end
Contactor A22, contactor B23 and contactor C24 and working power module 19 are installed inside the control cabinet 3 of end；It is described novel
Circuit resistance tester includes instrument host 1, tester cabinet 21, special test wire clamp 2, terminal control case 3, passes through terminal control
The control of case 3 processed operates the quick test, it can be achieved that loop resistance, is not necessarily to commutation test clamp 2.
As Figure 1-Figure 4, when testing high voltage switchgear loop resistance, Au+, Bu+, Cu+ and Ai+, Bi+, Ci+ are surveyed
Test clip 2 is respectively connected to high-tension switch cabinet first and is spaced on A phase, B phase, C phase wall bushing；U-, I- test clamp 2 is respectively connected to
High-tension switch cabinet second is spaced on A phase, B phase, C phase wall bushing.Open a terminal 3 ac power switch 12 of control cabinet, direct current
Source switch 13, power supply indicator 14 are lighted, and press A test lamp button 15, A contactor energized action, the A contact in the circuit U+ and I+
Device contact KMA movement closure, A phase loop resistance data are shown on liquid crystal display 7.Press involution button 18, involution；Press B
Test lamp button 16, B contactor energized action, the B contacts of contactor KMB in the circuit U+ and I+ act closure, B phase loop resistance number
According to being shown on liquid crystal display 7.Press involution button 18, involution；Press C test lamp button 17, C contactor energized action, U+ and
C contacts of contactor KMC in the circuit I+ acts closure, and C phase loop resistance data are shown on liquid crystal display 7.It is pressed by involution
Button 18, involution.By this Novel loop resistance meter, the loop resistance that A phase, B phase and C phase can be rapidly completed in one is surveyed
Examination not only improves working efficiency without artificial commutation test clamp 2 repeatedly, but also safe, simple, quick, reliable.
In conclusion the utility model solves existing loop resistance there is provided a kind of Novel loop resistance meter
The problem of tester test program is cumbersome, takes time and effort, and increases time cost of labor, detection cycle extension, or even delays the duration.
The utility model not only improves working efficiency there is provided a kind of Novel loop resistance meter, reduce the time, manually at
This, and it is safe, simple, quick, reliable.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. a kind of Novel loop resistance meter, it is characterised in that: including instrument host (1) and terminal control case (3)；
The instrument host (1) includes that current wiring terminal (4), voltage wiring terminal (5), operation display, working power connect
Mouthful (8), power switch (9) and processor, the processor respectively with the current wiring terminal (4), voltage wiring terminal
(5), operate display, working power interface (8) connection, the power switch (9) setting the working power interface (8) with
Between the processor；
The terminal control case (3) includes ac power switch (12), DC power supply switch (13), A test lamp button (15), B survey
Try lamp button (16), C test lamp button (17), contactor A (22), contactor B (23), contactor C (24) and working power module
(19), the working power module (19) is electrically connected with the ac power switch (12), DC power supply switch (13) respectively, institute
It states contactor A (22) and is connect by the A test lamp button (15) with the working power module (19), the contactor B (23)
It is connect by the B test lamp button (16) with the working power module (19), the contactor C (24) is tested by the C
Lamp button (17) is connect with the working power module (19).
2. Novel loop resistance meter according to claim 1, it is characterised in that: the instrument host (1) further includes
First ground terminal (6), first ground terminal (6) are electrically connected with the working power interface (8).
3. Novel loop resistance meter according to claim 2, it is characterised in that: the power switch (9) with it is described
Be provided between working power interface (8) power safety (10), the power safety (10) respectively with the power switch (9),
Working power interface (8) electrical connection.
4. Novel loop resistance meter according to claim 3, it is characterised in that: the operation display includes liquid crystal
Display (7) and test key (11), the test key (11) are embedded on the liquid crystal display (7), the liquid crystal
Show that device (7) and test key (11) are connected to the processor.
5. Novel loop resistance meter according to claim 4, it is characterised in that: it further include tester cabinet (21),
The tester cabinet (21) is internally provided with host panel, the current wiring terminal (4), voltage wiring terminal (5), first
Ground terminal (6), liquid crystal display (7), working power interface (8), power switch (9), power safety (10) and test key
(11) it is installed on the host panel, the processor is arranged in the tester cabinet (21) and the host panel institute
In the space of formation.
6. Novel loop resistance meter according to claim 1, it is characterised in that: the terminal control case (3) is also wrapped
It includes power supply indicator (14), the power supply indicator (14) is for showing the ac power switch (12) and DC power supply switch
(13) on off operating mode.
7. Novel loop resistance meter according to claim 6, it is characterised in that: the terminal control case (3) is also wrapped
It includes involution button (18), the involution button (18) is used for the A test lamp button (15), B test lamp button (16), C test lamp
Button (17) carries out involution processing.
8. Novel loop resistance meter according to claim 7, it is characterised in that: it further include control box body (20),
The control box body (20) is internally provided with control cabinet panel, the contactor A (22), contactor B (23), contactor C
(24) and power module is arranged at the control box body (20) and the control cabinet panel is formed by space, the friendship
Galvanic electricity source switch (12), DC power supply switch (13), A test lamp button (15), B test lamp button (16), C test lamp button (17) are pacified
On the control cabinet panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920006929.3U CN209640412U (en) | 2019-01-03 | 2019-01-03 | A kind of Novel loop resistance meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920006929.3U CN209640412U (en) | 2019-01-03 | 2019-01-03 | A kind of Novel loop resistance meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209640412U true CN209640412U (en) | 2019-11-15 |
Family
ID=68476919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920006929.3U Active CN209640412U (en) | 2019-01-03 | 2019-01-03 | A kind of Novel loop resistance meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209640412U (en) |
-
2019
- 2019-01-03 CN CN201920006929.3U patent/CN209640412U/en active Active
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