CN207675836U - A kind of low voltage bus bar groove phasing tester - Google Patents
A kind of low voltage bus bar groove phasing tester Download PDFInfo
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- CN207675836U CN207675836U CN201820059058.7U CN201820059058U CN207675836U CN 207675836 U CN207675836 U CN 207675836U CN 201820059058 U CN201820059058 U CN 201820059058U CN 207675836 U CN207675836 U CN 207675836U
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- distal side
- side bar
- proximal stem
- low voltage
- voltage bus
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- 238000005259 measurement Methods 0.000 abstract description 5
- 238000000819 phase cycle Methods 0.000 abstract description 4
- 210000000078 claw Anatomy 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000002431 foraging effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
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Abstract
A kind of low voltage bus bar groove phasing tester of the utility model is related to especially carrying out nuclear phase to low voltage bus bar groove to low pressure phase sequence nuclear phase technical field in the operation of twin-power switch cabinet.Including distal side bar and proximal stem, distal side bar and proximal stem are insulated telescopic rods, are equipped with exchange electrification display module on distal side bar top, the end of distal side bar is equipped with point contact stick；It is equipped with U-shaped card slot in the end of proximal stem, for clip in bus duct；It is connected by conducting wire between distal side bar and proximal stem.Using insulated telescopic rods, 10kV pressure resistances can be born, the safe distance of 1m can be reached, improve the safety of nuclear phase personnel；U-shaped card slot can be stuck on bus duct, and point contact stick being capable of contact buses slot well；Left hand holds proximal stem when use, and the right hand holds distal side bar, realizes one man operation；It exchanges electrification display module directly to power to measurement, display module using measurement power supply, is not necessarily to external battery.
Description
Technical field
A kind of low voltage bus bar groove phasing tester of the utility model is related in the operation of twin-power switch cabinet to low pressure phase sequence nuclear phase skill
Art field especially carries out nuclear phase to low voltage bus bar groove.
Background technology
With the development of power industry, power grid user is higher and higher to the reliability of power supply and security requirement.Currently,
In city, industrial electrical network, it is ensured that some users realize dual power supply, and at accessing user end, there are a large amount of switchgears.When opening
When closing cabinet has power supply entering line, in order to ensure that two-way power supply three-phase phase-sequence is consistent, it is necessary to carry out three phase mains before power transmission
Phase sequence nuclear phase.For high pressure mainly by secondary nuclear phase, it is complete that low pressure nuclear phase is that operation power personnel directly survey voltage by multimeter
At the measurement generally at switchgear house low voltage liaison net cabinet bus duct.Low voltage bus bar groove is divided into two-way, per road three-phase four-wire system, mainly
The a certain phase for measuring different electrical power, voltmeter shows that 0V, different phases ifs are shown as line voltage if same phase, is 380V or so.
Low voltage bus bar groove nuclear phase has two：First, safety problem, the body of staff is from the exposed portion of bus duct
Divide too close, it is easy to cause electric shock accidents.And a few thing personnel are more careless, are easy pen meter of universal meter wrong plug hole, most
Cause table to burn or explode eventually, causes personal injury accidents.Second is that bus duct nuclear phase needs two people to complete, separately a people is needed to carry out
Safety custody, wasting manpower and material resources, efficiency are relatively low.
Utility model content
The purpose of this utility model is that place provides a kind of low voltage bus bar groove phasing tester against the above deficiency, passes through telescopic rod
Increase safe distance, improves nuclear phase safety, and display voltage is replaced by a kind of numeric display unit.
The utility model takes following technical scheme to realize：
A kind of low voltage bus bar groove phasing tester includes distal side bar and proximal stem, and distal side bar and proximal stem are insulated telescopic rods,
It is equipped with exchange electrification display module on distal side bar top, the end of distal side bar is equipped with point contact stick；It is set in the end of proximal stem
There is U-shaped card slot, for clip in bus duct；It is connected by conducting wire between distal side bar and proximal stem.
The exchange electrification display module uses LM2576-5 chips, has light-emitting diode display, built-in sample circuit and AC-
DC conversion modules, wherein AC-DC conversion module for 30V-500V alternating currents being converted into 5V direct currents, for sample circuit with
And light-emitting diode display uses.
Described conducting wire one end is connected with the electrification display module that exchanges of distal side bar, the U-shaped card of the conducting wire other end and proximal stem
Slot is connected.
Proximal stem and distal side bar are equipped with operating handle.
It is cased with threaded electro-insulating rubber handle sleeve on the operating handle, is conveniently operated personnel's gripping, is also convenient for aging
Or it is replaced after making dirty.
The insulated telescopic rods, which are adopted, to be made from an insulative material, and telescopic rod includes at least the first slide bar and the of slidable connection
Two slide bars, wherein the second slide bar is located at top, and are set in the first slide bar, and the telescopic rod further includes：Nozzle, its underpart ring
Around being fixed on first slide bar upper end, and top is equipped with external screw thread；Adapter claw, lower part are arranged in the nozzle, are exposed to pipe
Top outside mouthful carries truncated cone-shaped peripheral surface, and is surrounded on outside second slide bar；And first locking nut, it is set in described
Outside adapter claw, lower part is provided with the internal thread engaged with the external screw thread, and with squeeze the truncated cone-shaped peripheral surface, make it is described
Adapter claw holds the truncated cone-shaped inner peripheral surface of second slide bar tightly.
When the utility model is used, left hand holds proximal stem and distal side bar respectively with the right hand, makes the U-shaped card slot in proximal stem
It is stuck in one phase of bus duct, the point contact stick on the bar of distal side is in contact with another phase of bus duct, and it is aobvious that electrification is exchanged if with phase
Show that module no-voltage is shown, electrification display module is exchanged if different phases and shows voltage.
The utility model advantage：
（1）The utility model use insulated telescopic rods, can bear 10kV pressure resistance, and can reach 1m safety away from
From improving the safety of nuclear phase personnel；
（2）The U-shaped card slot can be stuck on bus duct, and point contact stick being capable of contact buses slot well；Containing U-shaped
The insulated telescopic rods of card slot are suitable for left hand, and the insulated telescopic rods containing point contact stick are suitable for the right hand, and left hand holds proximal stem,
The right hand holds distal side bar, realizes one man operation；
（3）It exchanges electrification display module directly to power to measurement, display module using measurement power supply, is not necessarily to external battery.
Electrification display is exchanged if with phase without display, if different phases have voltage to show.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of low voltage bus bar groove phasing tester of the utility model.
In figure：1, distal side bar, 2, proximal stem, 3, exchange electrification display module, 4, point contact stick, 5, U-shaped card slot, 6, lead
Line, 7, operating handle.
Specific implementation mode
The technical solution of the utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1, a kind of low voltage bus bar groove phasing tester includes distal side bar 1 and proximal stem 2, distal side bar 1 and proximal stem 2 are equal
For insulated telescopic rods, in distal side, 1 top of bar is equipped with exchange electrification display module 3, and the end of distal side bar 1 is equipped with point contact stick 4；
It is equipped with U-shaped card slot 5 in the end of proximal stem 2, is connected by conducting wire 6 between distal side bar 1 and proximal stem 2.
The exchange electrification display module 3 uses LM2576-5 chips, has light-emitting diode display, built-in sample circuit and AC-
DC conversion modules, wherein AC-DC conversion module for 30V-500V alternating currents being converted into 5V direct currents, for sample circuit with
And light-emitting diode display uses.
6 one end of the conducting wire is connected with the electrification display module 3 that exchanges of distal side bar 1, the U of conducting wire 6 other end and proximal stem 2
Type card slot 5 is connected.
The U-shaped card slot 5 is for clip in bus duct.
Proximal stem 2 and distal side bar 1 are equipped with operating handle 7.
It is cased with threaded electro-insulating rubber handle sleeve on the operating handle 7, is conveniently operated personnel's gripping, is also convenient for aging
Or it is replaced after making dirty.
The insulated telescopic rods, which are adopted, to be made from an insulative material, and telescopic rod includes at least the first slide bar and the of slidable connection
Two slide bars, wherein the second slide bar is located at top, and are set in the first slide bar, and the telescopic rod further includes：Nozzle, its underpart ring
Around being fixed on first slide bar upper end, and top is equipped with external screw thread；Adapter claw, lower part are arranged in the nozzle, are exposed to pipe
Top outside mouthful carries truncated cone-shaped peripheral surface, and is surrounded on outside second slide bar；And first locking nut, it is set in described
Outside adapter claw, lower part is provided with the internal thread engaged with the external screw thread, and with squeeze the truncated cone-shaped peripheral surface, make it is described
Adapter claw holds the truncated cone-shaped inner peripheral surface of second slide bar tightly.
The utility model provides easy to operate general electronic phasing tester, is mainly used for low voltage bus bar groove nuclear phase, can
The bus duct of different model is adapted to, in use, left hand holds proximal stem 2 and distal side bar 1 respectively with the right hand, makes the U in proximal stem 2
Type card slot 5 is stuck in one phase of bus duct, and the point contact stick 4 on distal side bar 1 is in contact with another phase of bus duct, is handed over if with phase
Stream electrification 3 no-voltage of display module is shown, electrification display module is exchanged if different phases and shows voltage.
Above example is only to illustrate the technological thought of the utility model, and the protection model of the utility model cannot be limited with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical solution each falls within this reality
Within the scope of novel protected.
Claims (5)
1. a kind of low voltage bus bar groove phasing tester, it is characterised in that：Including distal side bar and proximal stem, distal side bar and proximal stem are exhausted
Edge telescopic rod is equipped with exchange electrification display module on distal side bar top, and the end of distal side bar is equipped with point contact stick；In proximal stem
End be equipped with U-shaped card slot, for clip in bus duct；It is connected by conducting wire between distal side bar and proximal stem.
2. low voltage bus bar groove phasing tester according to claim 1, it is characterised in that：The exchange electrification display module uses
LM2576-5 chips.
3. low voltage bus bar groove phasing tester according to claim 1, it is characterised in that：The friendship of described conducting wire one end and distal side bar
Stream electrification display module is connected, and the conducting wire other end is connected with the U-shaped card slot of proximal stem.
4. low voltage bus bar groove phasing tester according to claim 1, it is characterised in that：The proximal stem and distal side bar are equipped with
Operating handle.
5. low voltage bus bar groove phasing tester according to claim 4, it is characterised in that：It is cased on the operating handle threaded
Electro-insulating rubber handle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820059058.7U CN207675836U (en) | 2018-01-15 | 2018-01-15 | A kind of low voltage bus bar groove phasing tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820059058.7U CN207675836U (en) | 2018-01-15 | 2018-01-15 | A kind of low voltage bus bar groove phasing tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207675836U true CN207675836U (en) | 2018-07-31 |
Family
ID=62974053
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820059058.7U Active CN207675836U (en) | 2018-01-15 | 2018-01-15 | A kind of low voltage bus bar groove phasing tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207675836U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112986682A (en) * | 2021-04-25 | 2021-06-18 | 广东电网有限责任公司佛山供电局 | Phase checking device and phase checking method for high-voltage enclosed bus of transformer substation |
-
2018
- 2018-01-15 CN CN201820059058.7U patent/CN207675836U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112986682A (en) * | 2021-04-25 | 2021-06-18 | 广东电网有限责任公司佛山供电局 | Phase checking device and phase checking method for high-voltage enclosed bus of transformer substation |
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