CN106353570A - Device of verification of live part for power systems - Google Patents
Device of verification of live part for power systems Download PDFInfo
- Publication number
- CN106353570A CN106353570A CN201610706607.0A CN201610706607A CN106353570A CN 106353570 A CN106353570 A CN 106353570A CN 201610706607 A CN201610706607 A CN 201610706607A CN 106353570 A CN106353570 A CN 106353570A
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- China
- Prior art keywords
- regulating
- electroscopic device
- connecting rod
- power system
- lever
- 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.)
- Pending
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- 238000012795 verification Methods 0.000 title abstract description 8
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 238000001125 extrusion Methods 0.000 claims abstract description 8
- 238000007689 inspection Methods 0.000 claims abstract 2
- 239000004020 conductor Substances 0.000 claims description 4
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract 14
- 241000273930 Brevoortia tyrannus Species 0.000 description 10
- 210000003414 extremity Anatomy 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000004247 hand Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
- G01R19/15—Indicating the presence of current
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
- G01R19/155—Indicating the presence of voltage
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
Abstract
Relating to the field of power system inspection equipment, the invention is specifically a device of verification of live part for power systems comprising box of device of verification of live part, main board and regulating device. The regulating device is internally provided with a regulating bunker. The regulating bunker is provided with a via hole at the upper portion to penetrate through the casing. The via hole is interspersed with a locating pin. The external end of the locating pin is articulated with the upper end of a regulating lever. The middle of the regulating lever is articulated with sidewalls of the regulating bunker. The right of the upper end of the regulating lever and sidewalls of the regulating bunker are fixed and connected by a retainer spring. The lower end of the regulating lever is fixed and connected with an extrusion sheet. The right lower sidewalls of the regulating bunker are penetrated by a regulating button rod. The internal end of the regulating button rod is fixed and connected by an extrusion head. The external end of the regulating button rod is fixed and connected by a button. The device of verification of live part for power systems has simple structure and capacity of flexible length regulation enabled to suit to different occasions. Besides, the device of verification of live part for power systems has better insulation property, which is safer and more liable and suitable for promotion and application.
Description
Technical field
The present invention relates to power system testing equipment technical field, specially a kind of power system electroscopic device.
Background technology
Electroscopic device is just used to detect the device whether some power equipments are powered, to ensure the people of maintainer with this
Body safety, especially some high pressure equipmentes, once accident, will be fatal, therefore using electroscopic device, of crucial importance,
Existing electroscopic device uses cumbersome, and has the drawback that 1. length are difficult to adjust, inconvenient when using；2.
Existing general electroscopic device is merely able to display whether powered, is unable to show specific voltage it has not been convenient to power system
Attendant uses；3. existing electroscopic device insulating properties are poor, have certain danger.
Content of the invention
It is an object of the invention to provide a kind of power system electroscopic device, the length of the present invention can conveniently be adjusted,
Thus adapting to different occasions, the good insulating of the present invention, safer.
For achieving the above object, the present invention provides a kind of following technical scheme: power system electroscopic device, including electrical verification
Device box, mainboard and adjusting means, the upper end of described electroscopic device box is fixedly connected with conducting rod, and the outside of conducting rod is enclosed with
Insulation sleeve, the upper end of conducting rod is welded with contact head；
It is provided with electroscope, electroscope is electrically connected with the lower end of conducting rod and mainboard respectively on the upside of the inner chamber of described electroscopic device box
Connect, the downside of mainboard is provided with battery case, the inner side of battery case is provided with battery, the outer wall of described electroscopic device box be provided with display and
Speech player, described battery, display and speech player are all electrically connected with mainboard；
The bottom welding of described electroscopic device box has connecting seat, and connecting seat is internally threaded hole, and screwed hole is upper with connecting rod
End is threaded connection, and the bottom of connecting rod is plugged in inside pipe casing, and the upside of sleeve pipe is provided with adjusting means；
The inside of described adjusting means is provided with surge bunker, and the top of surge bunker is provided with through hole and is through to inside pipe casing, in this through hole
It is interspersed with alignment pin, the medial extremity of alignment pin be engaged with the tooth bar of setting in connecting rod, the outboard end of alignment pin and regulation lever
Upper end hinged, adjust side walls hinged, the side wall with surge bunker on the right side of the upper end of regulation lever of middle part and the surge bunker of lever
Between be fixedly connected with retaining spring, for by alignment pin resilience to the left, the lower end adjusting lever is fixedly connected with extruding plate,
The lower right side wall of described surge bunker runs through regulation button spindle, and the medial extremity adjusting button spindle is fixedly connected with extrusion head, extruding
Head is contacted with extruding plate, and the outboard end adjusting button spindle is fixedly connected with button；
The lower end of described sleeve pipe is fixedly connected with handle joint lever, and the outside of handle joint lever is socketed with anti-skidding insulated handle；
Described mainboard is provided with signal amplifier, voltage check device and current sensing means, described galvanoscopic outfan and letter
The input end signal of number amplifier connects, and the outfan of described signal amplifier is connected with the input end signal of a/d modular converter,
The outfan of a/d modular converter is connected with the input end signal of microprocessor by signal transmission module, described voltage detecting
Input electric connection, microprocessor and power module all with microprocessor for the outfan of device and current sensing means
It is electrically connected with, the outfan of microprocessor is electrically connected with the input of display and warning devicess respectively.
Preferably, described conducting rod and the upper surface of electroscopic device box are mutually perpendicular to, and described insulation sleeve is in the round platform of hollow
Shape, described contact head is exposed spherical conductor.
Preferably, space, the corresponding mainboard of side wall and the electricity of described electroscopic device box are left between described mainboard and battery case
The position of pond box is provided with air vent, and this air vent is the through hole of one group of bar shaped.
Preferably, described connecting seat is truncated conical shape, and the upper end of connecting rod is provided with stud corresponding with screwed hole, this stud
It is formed in one structure with connecting rod.
Preferably, the medial extremity of described alignment pin is teeth shape, and the medial extremity teeth of alignment pin can be with tooth bar
Match fixation.
Preferably, described connecting rod and sleeve pipe constitute expansion link, and the length range of this expansion link is 1-1.8 rice.
Preferably, the middle part of described handle joint lever and outboard end have been fixedly connected with and have run proof, described anti-skidding insulation handss
The corresponding handle joint lever in the inner side of handle and the position running proof are provided with slot, are used for preventing anti-skidding insulated handle from coming off, described anti-
Sliding insulated handle is made using rubber.
Preferably, the length of described connecting rod is more than the length of tooth bar, and described tooth bar is depression inside connecting rod
Groove, the top of described sleeve pipe is provided with the limited block for this tooth bar of clamping, is used for preventing connecting rod from slipping.
Preferably, described warning devicess include speech player and flash lamp.
Compared with prior art, the invention has the beneficial effects as follows: by the top of electroscopic device box add spherical leading
Body contact head, can sensitively detect the powered situation of testee, entered the powered situation of testee by conducting rod
Row conduction, is detected to electroscope, and is transmitted a signal to voltage check device and current sensing means, to testee
Powered specifying information is analyzed by microprocessor, and is shown by display, when carried charge is excessive, starts
Warning devicess, carry out early warning to user of service, by adding connecting rod and sleeve pipe, the length of the present invention can be adjusted,
So that the present invention can adapt to the use needs of different occasions, the position of tooth bar can be fixed by alignment pin, lead to
Overregulate lever and retaining spring, the position of alignment pin can be fixed, thus carrying out admittedly to the relative position of connecting rod
Fixed, can be facilitated by button and flexibly adjust, it is very convenient therefore to use, by adding anti-skidding insulated handle,
Preferable insulation protection effect can be played, prevent electric leakage from electric power maintenance personnel are damaged, and facilitate power system
Attendant grasps, and generally speaking, the structure of the present invention is simple, can flexibly adjustment length so as to fit different occasions,
And the insulating properties of the present invention is preferably, more safe and reliable, is suitable for promoting the use of.
Brief description
Fig. 1 is present configuration schematic diagram；
Fig. 2 is electroscopic device box structure sectional view；
Fig. 3 is structural representation at a of the present invention；
Fig. 4 is Telescopic rod structure profile；
Fig. 5 is principle of the invention block diagram.
In figure: 1 electroscopic device box, 2 conducting rods, 3 insulation sleeves, 4 contact heads, 5 electroscopies, 6 mainboards, 7 battery cases, 8 batteries,
9 connecting seats, 10 screwed holes, 11 display, 12 speech players, 13 connecting rods, 14 sleeve pipes, 15 adjusting meanss, 16 surge bunkers, 17
Alignment pin, 18 adjust levers, 19 retaining springs, 20 extruding plates, 21 adjust button spindles, 22 extrusion heads, 23 buttons, 24 tooth bars, 25
Handle joint lever, 26 run proof, 27 anti-skidding insulated handles.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1-5, the present invention provides a kind of a kind of technical scheme: power system electroscopic device, including electrical verification dress
Put box 1, mainboard 6 and adjusting means 15, the upper end of electroscopic device box 1 is fixedly connected with conducting rod 2, the outside parcel of conducting rod 2
There is insulation sleeve 3, the upper end of conducting rod 2 is welded with contact head 4；Conducting rod 2 is mutually perpendicular to the upper surface of electroscopic device box 1, absolutely
Edge set 3 is in the truncated conical shape of hollow, and contact head 4 is exposed spherical conductor, by adding ball at the top of electroscopic device box 1
The conductor contact head 4 of shape, can sensitively detect the powered situation of testee, by conducting rod 2 by the band of testee
Electric situation is conducted, and is detected to electroscope 5.
It is provided with electroscope 5, electroscope 5 lower end and mainboard 6 electricity with conducting rod 2 respectively on the upside of the inner chamber of electroscopic device box 1
Property connect, the downside of mainboard 6 is provided with battery case 7, and the inner side of battery case 7 is provided with battery 8, and the outer wall of electroscopic device box 1 is provided with aobvious
Show device 11 and speech player 12, battery 8, display 11 and speech player 12 are all electrically connected with mainboard 6；Mainboard 6 and electricity
Space is left, the corresponding mainboard 6 of side wall of electroscopic device box 1 and the position of battery case 7 are provided with air vent, this ventilation between pond box 7
The through hole of Kong Weiyi group bar shaped, by adding air vent, can effectively be radiated to the inner chamber of electroscopic device box 1, be prevented
Long-time use produces damage to internal element.
The bottom welding of electroscopic device box 1 has connecting seat 9, and connecting seat 9 is internally threaded hole 10, screwed hole 10 be connected
The upper end of bar 13 is threaded connection, and connecting seat 9 is truncated conical shape, and the upper end of connecting rod 13 is provided with spiral shell corresponding with screwed hole 10
Post, this stud and connecting rod 13 are formed in one structure, be connected with each other with screwed hole 10 by stud, the present invention can be made to facilitate
Detachable maintaining, and be convenient for carrying.
The bottom of connecting rod 13 is plugged in inside sleeve pipe 14, and connecting rod 13 constitutes expansion link with sleeve pipe 14, this expansion link
Length range is 1-1.8 rice, and the upside of sleeve pipe 14 is provided with adjusting means 15；The inside of adjusting means 15 is provided with surge bunker 16, adjusts
The top in section storehouse 16 is provided with through hole and is through to inside sleeve pipe 14, is interspersed with alignment pin 17, the medial extremity of alignment pin 17 in this through hole
It is engaged with the tooth bar 24 of setting in connecting rod 13, the medial extremity of alignment pin 17 is teeth shape, and the medial extremity of alignment pin 17
Teeth can be matched fixation with tooth bar 24, and the length of connecting rod 13 is more than the length of tooth bar 24, and tooth bar 24 is that depression exists
The groove of connecting rod 13 inner side, the top of sleeve pipe 14 is provided with the limited block for this tooth bar 24 of clamping, is used for preventing connecting rod 13
Slip, the position of tooth bar 24 can be fixed by alignment pin 17, thus the relative position of connecting rod 13 and sleeve pipe 14 is carried out
Fixing, thus flexibly adjusting the length of the present invention.
The outboard end of alignment pin 17 is hinged with the upper end adjusting lever 18, adjusts the middle part of lever 18 and the side of surge bunker 16
Wall is hinged, is fixedly connected with retaining spring 19, for determining on the right side of the upper end adjusting lever 18 and the side wall of surge bunker 16 between
Position pin 17 resilience to the left, the lower end adjusting lever 18 is fixedly connected with extruding plate 20, and the lower right side wall of surge bunker 16 runs through to be had
Adjust button spindle 21, the medial extremity adjusting button spindle 21 is fixedly connected with extrusion head 22, and extrusion head 22 is contacted with extruding plate 20,
The outboard end adjusting button spindle 21 is fixedly connected with button 23；
The lower end of sleeve pipe 14 is fixedly connected with handle joint lever 25, and the outside of handle joint lever 25 is socketed with anti-skidding insulated handle
27；The middle part of handle joint lever 25 and outboard end have been fixedly connected with and have run proof 26, and the inner side of anti-skidding insulated handle 27 corresponds to handss
Handle connecting rod 25 and 26 position of running proof are provided with slot, are used for preventing anti-skidding insulated handle 27 from coming off, anti-skidding insulated handle 27
Being made using rubber, thus playing preferable insulating effect, running proof 26 by adding, be prevented from anti-skidding insulated handle 27 with
Handle joint lever 25 comes off, and anti-skidding insulated handle 27 can be made to have more preferable globality with sleeve pipe 14.
Mainboard 6 is provided with signal amplifier, voltage check device and current sensing means, and galvanoscopic outfan and signal are put
The input end signal of big device connects, and the outfan of signal amplifier is connected with the input end signal of a/d modular converter, and a/d changes
The outfan of module is connected with the input end signal of microprocessor by signal transmission module, and voltage check device and electric current are examined
The outfan surveying device is all electrically connected with the input of microprocessor, and microprocessor is electrically connected with power module, micro-
The outfan of type processor is electrically connected with the input of display and warning devicess respectively, and warning devicess include speech player
And flash lamp, carried charge testee is detected is safe to the human body threaten when, warning devicess start, broadcast by voice
Put device and flash lamp warns to user of service, play a very good protection.
Operation principle: when using the present invention, by pressing the button 23, make extrusion head 22 mutually extrude with extruding plate 20, lead to
Overregulating lever 18 drives alignment pin 17 and the tooth bar 24 of setting in connecting rod 13 to depart from, so that connecting rod 13 can move,
After being adjusted to suitable length, Panasonic's button 23, alignment pin 17 can be engaged with tooth bar 24 again, connecting rod 13 is carried out solid
Fixed, play the effect of adjustment length, carry out during electrical verification it is only necessary to contact and can timely detect contact head 4 with testee
To the powered situation of testee, further, it is possible to will band electrical information shown by display, when carried charge is larger may be right
When attendant causes danger, siren starts, and user of service is pointed out, can play preferable protective effect.
The structure of the present invention is simple, can flexibly adjustment length so as to fit different occasions, and the present invention's is exhausted
Edge is preferably, more safe and reliable, is suitable for promoting the use of.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and can carry out multiple changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (9)
1. a kind of power system electroscopic device, including electroscopic device box (1), mainboard (6) and adjusting means (15), its feature exists
In: the upper end of described electroscopic device box (1) is fixedly connected with conducting rod (2), and the outside of conducting rod (2) is enclosed with insulation sleeve (3),
The upper end of conducting rod (2) is welded with contact head (4)；
Be provided with electroscope (5) on the upside of the inner chamber of described electroscopic device box (1), electroscope (5) respectively with the lower end of conducting rod (2) and
Mainboard (6) is electrically connected with, and the downside of mainboard (6) is provided with battery case (7), and the inner side of battery case (7) is provided with battery (8), described tests
The outer wall of electric installation box (1) is provided with display (11) and speech player (12), described battery (8), display (11) and voice
Player (12) is all electrically connected with mainboard (6)；
The bottom welding of described electroscopic device box (1) has connecting seat (9), and connecting seat (9) is internally threaded hole (10), screwed hole
(10) it is threaded connection with the upper end of connecting rod (13), the bottom of connecting rod (13) is plugged in sleeve pipe (14) inside, sleeve pipe
(14) upside is provided with adjusting means (15)；
The inside of described adjusting means (15) is provided with surge bunker (16), and the top of surge bunker (16) is provided with through hole and is through to sleeve pipe
(14) internal, it is interspersed with alignment pin (17), the medial extremity of alignment pin (17) upper tooth bar arranging with connecting rod (13) in this through hole
(24) it is engaged, the outboard end of alignment pin (17) is hinged with the upper end adjusting lever (18), adjust middle part and the regulation of lever (18)
Storehouse (16) side walls hinged, adjust lever (18) upper end on the right side of be fixedly connected with positioning bullet and the side wall of surge bunker (16) between
Spring (19), for by alignment pin (17) resilience to the left, the lower end adjusting lever (18) is fixedly connected with extruding plate (20), described
The lower right side wall of surge bunker (16) runs through regulation button spindle (21), and the medial extremity adjusting button spindle (21) is fixedly connected with extruding
Head (22), extrusion head (22) is contacted with extruding plate (20), and the outboard end adjusting button spindle (21) is fixedly connected with button (23)；
The lower end of described sleeve pipe (14) is fixedly connected with handle joint lever (25), and the outside of handle joint lever (25) is socketed with anti-skidding
Insulated handle (27)；
Described mainboard (6) is provided with signal amplifier, voltage check device and current sensing means, described galvanoscopic outfan with
The input end signal of signal amplifier connects, and the outfan of described signal amplifier is connected with the input end signal of a/d modular converter
Connect, the outfan of a/d modular converter is connected with the input end signal of microprocessor by signal transmission module, described voltage inspection
Input electric connection, microprocessor and power supply mould all with microprocessor for the outfan of survey device and current sensing means
Block is electrically connected with, and the outfan of microprocessor is electrically connected with the input of display and warning devicess respectively.
2. a kind of power system electroscopic device according to claim 1 it is characterised in that: described conducting rod (2) with test
The upper surface of electric installation box (1) is mutually perpendicular to, and described insulation sleeve (3) is in the truncated conical shape of hollow, and described contact head (4) is exposed
Spherical conductor.
3. a kind of power system electroscopic device according to claim 1 it is characterised in that: described mainboard (6) and battery
Space is left, the corresponding mainboard (6) of side wall of described electroscopic device box (1) and the position of battery case (7) are provided with ventilation between box (7)
Hole, this air vent is the through hole of one group of bar shaped.
4. a kind of power system electroscopic device according to claim 1 it is characterised in that: described connecting seat (9) be circle
Platform shape, the upper end of connecting rod (13) is provided with stud corresponding with screwed hole (10), and this stud is integrated into connecting rod (13)
Type structure.
5. a kind of power system electroscopic device according to claim 1 it is characterised in that: described alignment pin (17) interior
Side is teeth shape, and the medial extremity teeth of alignment pin (17) can be matched fixation with tooth bar (24).
6. a kind of power system electroscopic device according to claim 1 it is characterised in that: described connecting rod (13) with set
Pipe (14) constitutes expansion link, and the length range of this expansion link is 1-1.8 rice.
7. a kind of power system electroscopic device according to claim 1 it is characterised in that: described handle joint lever (25)
Middle part and outboard end be fixedly connected with run proof (26), the inner side of described anti-skidding insulated handle (27) corresponds to handle joint lever
(25) and the position of (26) of running proof is provided with slot, it is used for preventing anti-skidding insulated handle (27) from coming off, described anti-skidding insulated handle
(27) made using rubber.
8. a kind of power system electroscopic device according to claim 1 it is characterised in that: the length of described connecting rod (13)
Degree is more than the length of tooth bar (24), and described tooth bar (24) is groove inside connecting rod (13) for the depression, described sleeve pipe
(14) top is provided with the limited block for this tooth bar of clamping (24), is used for preventing connecting rod (13) from slipping.
9. a kind of power system electroscopic device according to claim 1 it is characterised in that: described warning devicess include language
Sound player and flash lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610706607.0A CN106353570A (en) | 2016-08-23 | 2016-08-23 | Device of verification of live part for power systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610706607.0A CN106353570A (en) | 2016-08-23 | 2016-08-23 | Device of verification of live part for power systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106353570A true CN106353570A (en) | 2017-01-25 |
Family
ID=57843931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610706607.0A Pending CN106353570A (en) | 2016-08-23 | 2016-08-23 | Device of verification of live part for power systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106353570A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108650892A (en) * | 2018-07-09 | 2018-10-16 | 安吉别样红花卉专业合作社 | A kind of flower planting device convenient for adjusting |
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| CN201711939U (en) * | 2010-06-24 | 2011-01-19 | 上海昆杰五金工具有限公司 | Self-locking telescopic nail puller |
| JP2011209131A (en) * | 2010-03-30 | 2011-10-20 | Chubu Seiki Co Ltd | Detector for direct current |
| CN203103812U (en) * | 2013-02-22 | 2013-07-31 | 辽宁省电力有限公司丹东供电公司 | Multifunctional combined intelligent insulating rod |
| CN204536408U (en) * | 2015-04-28 | 2015-08-05 | 国家电网公司 | A kind of multi-usage electroscope |
| CN105137157A (en) * | 2015-09-09 | 2015-12-09 | 国家电网公司 | Alternating- and direct-current high-voltage electricity testing device |
| CN204925227U (en) * | 2015-08-17 | 2015-12-30 | 贵州电网有限责任公司都匀供电局 | Multivoltage grade electroscope |
-
2016
- 2016-08-23 CN CN201610706607.0A patent/CN106353570A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011209131A (en) * | 2010-03-30 | 2011-10-20 | Chubu Seiki Co Ltd | Detector for direct current |
| CN201711939U (en) * | 2010-06-24 | 2011-01-19 | 上海昆杰五金工具有限公司 | Self-locking telescopic nail puller |
| CN203103812U (en) * | 2013-02-22 | 2013-07-31 | 辽宁省电力有限公司丹东供电公司 | Multifunctional combined intelligent insulating rod |
| CN204536408U (en) * | 2015-04-28 | 2015-08-05 | 国家电网公司 | A kind of multi-usage electroscope |
| CN204925227U (en) * | 2015-08-17 | 2015-12-30 | 贵州电网有限责任公司都匀供电局 | Multivoltage grade electroscope |
| CN105137157A (en) * | 2015-09-09 | 2015-12-09 | 国家电网公司 | Alternating- and direct-current high-voltage electricity testing device |
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| CN108650892A (en) * | 2018-07-09 | 2018-10-16 | 安吉别样红花卉专业合作社 | A kind of flower planting device convenient for adjusting |
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Application publication date: 20170125 |