CN209055617U - A kind of portable earth detector - Google Patents
A kind of portable earth detector Download PDFInfo
- Publication number
- CN209055617U CN209055617U CN201821731762.9U CN201821731762U CN209055617U CN 209055617 U CN209055617 U CN 209055617U CN 201821731762 U CN201821731762 U CN 201821731762U CN 209055617 U CN209055617 U CN 209055617U
- Authority
- CN
- China
- Prior art keywords
- fixed
- iron core
- outer rim
- insulating layer
- core
- 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.)
- Active
Links
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The utility model relates to arrive a kind of detection device field, and in particular to arrive a kind of portable earth detector.Including casing, the telescopic rod being slidably matched with it is provided in casing, the outer rim of casing is fixed with power supply, switch and ammeter, and sleeve upper end is threaded with the lock handle of fixed telescopic rod, and the upper end of telescopic rod is fixed with straight-through current transformer.The technical problem to be solved by the utility model is to a kind of working efficiency for being greatly improved power supply personnel and personal safeties, convenient to detect to route, reduce the labor intensity of testing staff.
Description
Technical field
The utility model relates to arrive a kind of detection device field, and in particular to arrive a kind of portable earth detector.
Background technique
The 0.4kV power supply facilities now run is leaked electricity, due to user's power stealing facility, is caused every year to power supply enterprise
Weight huge economic loss, because facility electric leakage also will cause human safety issues, for this purpose, power supply enterprise all need every year periodically it is right
0.4kV power supply facilities carries out looking into the work of tax evasion electricity, hits stealing electricity behavior, handles electric leakage；But power supply enterprise at present
Industry is looked into the current and voltage method that the equipment that tax evasion electricity uses is mostly multimeter to overhead transmission line and is carried out, low for low-voltage overhead line road
Voltage cable route is because the big spacing of low-voltage circuit line footpath is big (four low-voltage line maximum distances are about 0.8 meter), equipment used at present
Effectively can not fast it carry out with lookup method, for this purpose, a kind of novel 0.4kV low-voltage circuit tax evasion electricity finder is developed in plan,
This equipment has the current-voltage measurement function of current multimeter, the clamp on amperemeter function of this equipment, and survey crew directly exists
Ground can measure four conducting wires of overhead transmission line, do not need to step on bar can rapid survey go out to have abnormal electric leakage it is aerial
Route；It is greatly improved working efficiency and the personal safety of power supply personnel, low-voltage circuit is leaked electricity using this equipment, one ground of a line
Power stealing, across platform area's stealing electricity behavior will have no place to hide.
Utility model content
The technical problem to be solved by the utility model is to a kind of working efficiency for being greatly improved power supply personnel and people
Body is safe and convenient to detect route, reduces the portable earth detector of the labor intensity of testing staff.
To achieve the goals above, technical solution provided by the utility model is:
A kind of portable earth detector, including casing are provided with the telescopic rod being slidably matched with it, casing in casing
Outer rim be fixed with power supply, switch and ammeter, sleeve upper end is threaded with the lock handle of fixed telescopic rod, telescopic rod
Upper end is fixed with straight-through current transformer；
The straight-through current transformer includes the secured core that both ends are folded upward at and lateral rotary iron core, pivoting rail
The part upper end being folded upward on the left of the left side of core and secured core is hinged by shaft and in electrical contact, secured core and rotation
The outer rim for turning iron core is provided with insulating layer, be wound on the horizontal part between secured core and its outer rim insulating layer secondary side around
Group, vice-side winding and ammeter are electrically connected, and fluted, the right side of rotary iron core is arranged in the upper end being folded upward on the right side of secured core
End lower section is fixed with the convex block being electrically connected, and the insulating layer that convex block passes through rotary iron core outer rim extends in groove, convex block
The slot bottom of outer rim and groove is in electrical contact, is fixed with otic placode on the insulating layer lower end surface of secured core horizontal part left end, on otic placode
It is provided with sheave, is fixed with electric expansion cylinder on the insulating layer lower end surface of the secured core horizontal part outer rim on the right side of sheave,
Motion bar one end of electric expansion cylinder and one end of drawstring connect, and the other end of drawstring is around the left side after sheave with rotary iron core
End is fixedly connected, and is fixed on the positive insulating layer of secured core being folded upward on the right side of shaft and is stopped consolidating for rotary iron core left end
Fixed board is fixed with the perpendicular spring of longitudinal center line on fixed plate left side, and power supply, switch and electric expansion cylinder electrically connect
It connects.
Specifically, the power supply is battery.
Specifically, the insulating layer right end of the rotary iron core outer rim is fixed with clump weight.
Compared with prior art, the utility model has the following beneficial effects:
The utility model, structure is simple, easy to operate, is greatly improved working efficiency and the personal safety of power supply personnel,
It is convenient that route is detected, reduce the labor intensity of testing staff.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is structural schematic diagram when rotary iron core is opened.
Fig. 3 is the enlarged drawing of a-quadrant in Fig. 1.
Parts title in attached drawing are as follows:
1, casing, 2, ammeter, 3, switch, 4, power supply, 5, lock handle, 6, secured core, 7, rotary iron core, 8, insulation
Layer, 9, groove, 10, convex block, 11, electric expansion cylinder, 12, otic placode, 13, sheave, 14, drawstring, 15, fixed plate, 16, spring,
17, shaft, 18, telescopic rod, 19, clump weight.
Specific embodiment
As shown in Figure 1-3, a kind of portable earth detector, including casing 1, it is provided with to slide with it in casing 1 and matches
The telescopic rod 18 of conjunction, the outer rim of casing 1 are fixed with power supply 4, switch 3 and ammeter 2, and the power supply 4 is battery.On casing 1
End is threaded with the lock handle 5 of fixed telescopic rod 18, and the upper end of telescopic rod 18 is fixed with straight-through current transformer.
The straight-through current transformer includes the secured core 6 that both ends are folded upward at and lateral rotary iron core 7, rotation
The part upper end being folded upward on the left of the left side of iron core 7 and secured core 6 is hinged by shaft 17 and in electrical contact, fixed iron
The outer rim of core 6 and rotary iron core 7 is provided with insulating layer 8, and 8 right end of insulating layer of 7 outer rim of rotary iron core is fixed with counterweight
Block 19.Vice-side winding, 2 electricity of vice-side winding and ammeter are wound on horizontal part between secured core 6 and its outer rim insulating layer 8
Property connection, the upper end setting fluted 9 being folded upward on the right side of secured core 6 is fixed with below the right end of rotary iron core 7 and its electricity
Property connection convex block 10, convex block 10 pass through 7 outer rim of rotary iron core insulating layer 8 extend in groove 9,10 outer rim of convex block and groove
9 slot bottom is in electrical contact, is fixed with otic placode 12 on 8 lower end surface of insulating layer of 6 horizontal part left end of secured core, is arranged on otic placode 12
There is sheave 13, is fixed with electric expansion cylinder on 8 lower end surface of insulating layer of the 6 horizontal part outer rim of secured core on 13 right side of sheave
11, motion bar one end of electric expansion cylinder 11 is connect with one end of drawstring 14, the other end of drawstring 14 around after sheave 13 with
The left end of rotary iron core 7 is fixedly connected, and is fixed with resistance on the positive insulating layer 8 of secured core 6 being folded upward on the right side of shaft 17
The fixed plate 15 of 7 left end of rotary iron core is kept off, is fixed with the perpendicular spring 16 of longitudinal center line on 15 left side of fixed plate, electricity
Source 4, switch 3 and electric expansion cylinder 11 are electrically connected.
When the utility model is used, electric expansion cylinder 11 is started by switch 3, so that the motion bar of electric expansion cylinder 11 is received
Contracting, the motion bar of electric expansion cylinder 11 make 17 rotation counterclockwise around the shaft of rotary iron core 7 by drawstring 14, and convex block 10 will be from
It is exited in groove 9, with the rotation counterclockwise of rotary iron core 7, when the insulating layer 8 of 7 left end outer rim of rotary iron core connects with spring 16
Spring 16 will be squeezed after touch, when rotary iron core 7 and horizontal plane, switch 3 is disconnected, so that the telescopic rod 18 in casing 1
It drives straight-through current transformer to rise, is folded upward between part when detected electric wire is located at left and right sides of secured core 6
When, turn on the switch 3 so that the motion bar of electric expansion cylinder 11 extends, at this time spring 16 will make the upper end of rotary iron core 7 to
Right side inclination, as under the continuous elongation of 11 motion bar of electric expansion cylinder and the gravity of clump weight 19, rotary iron core 7 tends to
It is parallel to the horizontal plane, when convex block 10 is located in groove 9 and contacts with the slot bottom of groove 9, disconnects switch 3, ammeter 2 is just at this time
It can show the electric current in tested wire that straight-through current transformer senses, while detection tester being facilitated to judge.
When to remove straight-through current transformer from tested wire, electric expansion cylinder 11 is started by switch 3, so that
The motion bar of electric expansion cylinder 11 is shunk, and the motion bar of electric expansion cylinder 11 makes rotary iron core 7 around the shaft 17 by drawstring 14
Rotation, convex block 10 will be exited out of groove 9 counterclockwise, when rotary iron core 7 and horizontal plane, disconnected switch 3, at this time may be used
The straight-through current transformer covered on tested wire is removed.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (3)
1. a kind of portable earth detector, including casing (1), casing (1) is interior to be provided with the telescopic rod being slidably matched with it
(18), which is characterized in that the outer rim of casing (1) is fixed with power supply (4), switch (3) and ammeter (2), casing (1) threaded upper ends
It is connected with the lock handle (5) of fixed telescopic rod (18), the upper end of telescopic rod (18) is fixed with straight-through current transformer；
The straight-through current transformer includes the rotary iron core (7) of the secured core (6) that both ends are folded upward at and transverse direction, rotation
The part upper end being folded upward on the left of the left side of iron core (7) and secured core (6) is hinged and in electrical contact by shaft (17),
The outer rim of secured core (6) and rotary iron core (7) is provided with insulating layer (8), secured core (6) and its outer rim insulating layer (8)
Between horizontal part on be wound with vice-side winding, vice-side winding and ammeter (2) are electrically connected, on the right side of secured core (6) upwards
Fluted (9) are arranged in the upper end of bending, are fixed with the convex block (10) being electrically connected below the right end of rotary iron core (7), convex
The insulating layer (8) that block (10) passes through rotary iron core (7) outer rim extends in groove (9), the slot of convex block (10) outer rim and groove (9)
Bottom is in electrical contact, is fixed with otic placode (12) on insulating layer (8) lower end surface of secured core (6) horizontal part left end, on otic placode (12)
It is provided with sheave (13), it is fixed on insulating layer (8) lower end surface of secured core (6) horizontal part outer rim on the right side of sheave (13)
Have electric expansion cylinder (11), motion bar one end of electric expansion cylinder (11) is connect with one end of drawstring (14), drawstring (14) it is another
One end is fixedly connected with the left end of rotary iron core (7) afterwards around sheave (13), the fixation iron being folded upward on the right side of shaft (17)
The fixed plate (15) for stopping rotary iron core (7) left end, fixed plate (15) left side are fixed on core (6) positive insulating layer (8)
On be fixed with the perpendicular spring of longitudinal center line (16), power supply (4), switch (3) and electric expansion cylinder (11) electric connection.
2. a kind of portable earth detector according to claim 1, which is characterized in that the power supply (4) is battery.
3. a kind of portable earth detector according to claim 1, which is characterized in that rotary iron core (7) outer rim
Insulating layer (8) right end be fixed with clump weight (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821731762.9U CN209055617U (en) | 2018-10-24 | 2018-10-24 | A kind of portable earth detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821731762.9U CN209055617U (en) | 2018-10-24 | 2018-10-24 | A kind of portable earth detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209055617U true CN209055617U (en) | 2019-07-02 |
Family
ID=67051385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821731762.9U Active CN209055617U (en) | 2018-10-24 | 2018-10-24 | A kind of portable earth detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209055617U (en) |
-
2018
- 2018-10-24 CN CN201821731762.9U patent/CN209055617U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106154110B (en) | The method that the roads light monitoring of fault location is carried out based on detection of electrical leakage | |
| CN105676092B (en) | Electric substation's power cable insulation level monitoring method and system | |
| CN201590615U (en) | High-pressure nuclear phase device for central-positioned high-voltage switch cabinets | |
| CN108254658A (en) | A kind of distribution earth fault searches instrument and lookup method | |
| CN109787145B (en) | 10kV on-load replacement side phase isolating switch device and method | |
| CN209055613U (en) | A kind of earth detector suitable for different form stringing | |
| CN106356758B (en) | 10KV line insulations bar bypasses charged for replacement on-pole switch operational method indirectly | |
| CN208580172U (en) | One kind being grounded situation device for fast detecting for power system device | |
| CN107329050A (en) | A kind of circuitry fault detection method, detection means and detecting system | |
| CN112415429B (en) | Medium voltage grounding fault intelligent diagnostic instrument | |
| CN209055617U (en) | A kind of portable earth detector | |
| CN205985893U (en) | Electrified column switch professional equipment that changes of indirect bypass of 10kV circuit insulator spindle | |
| CN205920163U (en) | Ground resistance measure apparatus | |
| CN204679581U (en) | A kind of portable type current transformer polarity test device | |
| CN104166048B (en) | Power frequency interference resistant insulation resistor testing apparatus and testing method based on resonance network | |
| CN204065229U (en) | Contact net electrification real-time detection apparatus | |
| CN207408492U (en) | Portable dielectric dissipation factor and capacitance test platform | |
| CN110389280A (en) | A kind of current transformer polarity measurement device | |
| CN107305233A (en) | One kind 20 to 10kV distribution lines are grounded strategy, algorithm and circuit between constituency | |
| CN202502136U (en) | Measuring device for induced voltage and induced current of AC line | |
| CN206331066U (en) | A kind of overhead transmission line electric leakage addressing instrument | |
| CN209055616U (en) | A kind of earth detector that work efficiency is high | |
| CN209055615U (en) | A kind of stringing earth detector | |
| CN107621576A (en) | Portable dielectric dissipation factor and capacitance test platform | |
| CN108808533A (en) | A kind of device and method for power equipment maintaining |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |