CN108663565A - A kind of electroscope - Google Patents
A kind of electroscope Download PDFInfo
- Publication number
- CN108663565A CN108663565A CN201810775305.8A CN201810775305A CN108663565A CN 108663565 A CN108663565 A CN 108663565A CN 201810775305 A CN201810775305 A CN 201810775305A CN 108663565 A CN108663565 A CN 108663565A
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- CN
- China
- Prior art keywords
- storage device
- electroscope
- side plate
- screw rod
- seal cover
- 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.)
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Classifications
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- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
Abstract
The present invention relates to electroscopy equipment FIELD OF THE INVENTIONThes, disclose a kind of electroscope, including storage device and electroscope ontology, the sealing mechanism being slidably matched with storage device is equipped at the top of storage device, electroscope is equipped in storage device, electroscope ontology includes electrical verification contact, display portion and lever, it is connected with display portion at the top of lever, display portion upper end is connected with electrical verification contact, lever bottom is fixedly connected with the screw rod being vertically arranged, screw rod passes through storage device bottom, screw rod is located at the part other than storage device and is equipped with spigot nut and adjusting nut, spigot nut is fixed on storage device bottom, adjusting nut is located at below spigot nut.The purpose that the present invention can protect the electrical verification contact of electroscope realization.
Description
Technical field
The present invention relates to electroscopy equipment field, in particular to a kind of electroscopes.
Background technology
Electroscope is whether a kind of detection object is charged and the instrument of rough estimate carried charge size.
Electroscope type is broadly divided into high voltage electroscope and low pressure electroscope, mainly by electrical verification contact, electrical verification display unit
Point and lever constitute, the electrical verification contact of common electroscope after use without timely protected but it is direct and its
He puts together at tool, electroscope electrical verification contact failure can be made even to damage if electroscope can be caused to fall or hit in this way
It is bad, and then lead to the waste of resource while also improving cost, therefore, we it is necessary to design one kind can to electrical verification contact into
The electroscope of row protection.
Invention content
Based on problem above, the present invention provides a kind of electroscopes.The present invention can be to realizing the electrical verification contact to electroscope
The purpose protected, by being equipped with the sealing mechanism that is slidably matched with storage device at the top of storage device, in storage device
Equipped with electroscope, electroscope ontology includes electrical verification contact, display portion and lever, and display portion is connected at the top of lever, is shown
Part upper end is connected with electrical verification contact, and lever bottom is connected with the screw rod being vertically arranged, and screw rod passes through storage device bottom, screw rod
Part other than storage device is equipped with spigot nut and adjusting nut, and spigot nut is fixed on storage device bottom, adjusts
Nut is located at below spigot nut, and then realizes the purpose protected to electroscope electrical verification contact, simple in structure, operation side
Just while cost is also saved.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：
A kind of electroscope, including storage device and electroscope ontology, storage device top is equipped with matches with storage device sliding
The sealing mechanism of conjunction, storage device is interior to be equipped with electroscope, and electroscope ontology includes electrical verification contact, display portion and lever, lever
Top is connected with display portion, and display portion upper end is connected with electrical verification contact, and lever bottom is fixedly connected with the spiral shell being vertically arranged
Bar, screw rod pass through storage device bottom, screw rod to be located at the part other than storage device and be equipped with spigot nut and adjusting nut, be oriented to
Nut is fixed on storage device bottom, and adjusting nut is located at below spigot nut.
In the present invention, when electroscope completes electrical verification work in without using state, adjusting nut is rotated, screw rod is downward
Movement, electroscope move down, and when being moved to inside containing box at the top of the electrical verification contact of electroscope, being slidingly sealed mechanism will receive
Case of receiving is closed, and when electroscope to be used, opens sealing mechanism, adjusting nut is rotated in the opposite sense, and then by electroscope
Electrical verification contact stretch out, and then realize the purpose protected to electroscope electrical verification contact, it is simple in structure easy to operate, saved at
This.
As a preferred mode, the first seal cover board that sealing mechanism is oppositely arranged in the same horizontal line by two
It is formed with the second seal cover board, the first seal cover board and the second seal cover board opposite side are equipped with the indentation being mutually twisted.
As a preferred mode, it is equipped with the connection being vertically arranged on the first seal cover board and the second seal cover board
Plate is bolted between connecting plate.
As a preferred mode, both ends are respectively equipped with T-type boss, the first seal cover board and second at the top of storage device
The one side of seal cover board towards storage device is equipped with the T-slot to match with T-type boss.
As a preferred mode, elevating mechanism is equipped with below screw rod, the company of being equipped between elevating mechanism and storage device
The adjusting cavity both connect, the support bar group that adjusting cavity is located at screw rod both sides by two at.
As a preferred mode, elevating mechanism include level board, positioned at level board both ends and be vertically arranged
Side plate and the second side plate, bottom plate are equipped with the crane of both connections between level board and bottom plate, level board is close to the first side plate
End face is equipped with the U-shaped groove towards the second side plate direction, is equipped with horizontally disposed in U-shaped groove and connects with bottom portion of groove fixation
One end of the spring connect, spring towards the first side plate is fixedly connected with convex block, and the first side plate is equipped with to match with convex block shape
Straight slot；Level board is equipped with close to second side plate one end and is fixedly connected with level board and across the rocking arm of the second side plate.
As a preferred mode, the number of straight slot is multiple, and straight slot is evenly distributed on vertically on the first side plate.
As a preferred mode, crane is made of multiple telescopic units, and telescopic unit includes the company of two intersections
Bar, crosspoint is mutually hinged, the link end of the higher level's telescopic unit bottom end company with subordinate's telescopic unit top homonymy respectively
Rod end head is mutually hinged；A lower surface for being articulated with level board in two link ends of crane top, another
Hinged with sliding block, sliding block is located in the first sliding groove of level board lower surface and can move towards sliding along the first sliding groove.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) purpose that the present invention can protect the electrical verification contact of electroscope realization, by the top of storage device
Equipped with the sealing mechanism being slidably matched with storage device, be equipped with electroscope in storage device, electroscope ontology include electrical verification contact,
Display portion and lever, lever top are connected with display portion, and display portion upper end is connected with electrical verification contact, the connection of lever bottom
There are the screw rod being vertically arranged, screw rod that storage device bottom, screw rod is passed through to be located at the part other than storage device and be equipped with spigot nut
And adjusting nut, spigot nut are fixed on storage device bottom, adjusting nut is located at below spigot nut, and then realizes to electrical verification
The purpose that device electrical verification contact is protected, it is simple in structure, easy to operate while also saving cost；
(2) the first seal cover board and second that the present invention is oppositely arranged by sealing mechanism by two in the same horizontal line
Seal cover board forms, and the first seal cover board and the second seal cover board opposite side are equipped with the indentation being mutually twisted, and can make storage
Case seals more preferable；
(3) present invention is connected by being equipped with the connecting plate being vertically arranged on the first seal cover board and the second seal cover board
It is bolted between plate, on the one hand, folding can be facilitated by being both provided with connecting plate on the first sealing cover and the second sealing cover
Sealing mechanism, on the other hand, being bolted between two sealing plates can be such that the first sealing cover and the second sealing cover connects
More securely, and then make containing box better tightness, prevent the first sealing cover and the second sealing cover from sliping off automatically；
(4) present invention is respectively equipped with T-type boss, the first seal cover board and the second sealing cover by both ends at the top of storage device
The one side of plate towards storage device is equipped with the T-slot that matches with T-type boss, on the one hand, can make the first sealing cover of folding and
The process of second sealing cover is more effortless, simple to operate；
(5) present invention is equipped with both connections by being equipped with elevating mechanism below screw rod between elevating mechanism and storage device
Adjusting cavity, the support bar group that adjusting cavity is located at screw rod both sides by two at, when need survey voltage site location it is higher
When, it can realize that electroscope position is adjusted by elevating mechanism；
(6) present invention by elevating mechanism includes level board, positioned at level board both ends and the first side plate for being vertically arranged
With the second side plate, bottom plate, the crane of both connections is equipped between level board and bottom plate, level board is on the first side plate end face
Equipped with the U-shaped groove towards the second side plate direction, equipped with bullet that is horizontally disposed and being fixedly connected with bottom portion of groove in U-shaped groove
One end of spring, spring towards the first side plate is fixedly connected with convex block, and the first side plate is equipped with the straight slot to match with convex block shape；
Level board is equipped with close to second side plate one end to be fixedly connected with level board and across the rocking arm of the second side plate, easy of rise mechanism with
Stop with walking, convenient operation and control；
(7) number that the present invention passes through straight slot is multiple, and straight slot is evenly distributed on the first side plate vertically, it can be achieved that arbitrarily
The height of level board is adjusted, and then electroscope can be adjusted to corresponding position according to required detection voltage location, after being convenient for
Continuous operation；
(8) present invention is made of crane multiple telescopic units, and telescopic unit includes the connecting rod of two intersections, is handed over
Crunode is mutually hinged, and the link end of higher level's telescopic unit bottom end is mutual with the link end of subordinate's telescopic unit top homonymy respectively
It is hinged；A lower surface for being articulated with level board in two link ends of crane top, another cuts with scissors with sliding block
It connects, sliding block is located in the first sliding groove of level board lower surface and can be moved towards along the first sliding groove sliding, may be implemented according to need
Freely to adjust the height of level board.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the annexation figure of the first sealing cover and the second sealing cover in Fig. 1.
Wherein, 1 storage device, 2 electrical verification contacts, 3 display portions, 4 screw rods, 5 spigot nuts, 6 adjusting nuts, 7 supporting rods,
8 convex blocks, 9 springs, 10 first side plates, 11 cranes, 12 second side plates, 13 rocking arms, 14 level boards, 15 first seal cover boards, 16
Bolt, 17 connecting plates, 18 levers, 19 second sealing covers.
Specific implementation mode
The present invention will be further described below with reference to the drawings.Embodiments of the present invention include but not limited to following reality
Apply example.
Embodiment 1：
Referring to Fig. 1~2, a kind of electroscope, including storage device 1 and electroscope ontology, storage device top is equipped with and receipts
The sealing mechanism that device 1 of receiving is slidably matched, storage device 1 is interior to be equipped with electroscope, and electroscope ontology includes electrical verification contact 2, display
Part 3 and lever 18,18 top of lever are connected with display portion 3, and 3 upper end of display portion is connected with electrical verification contact 2,18 bottom of lever
Portion is fixedly connected with the screw rod 4 being vertically arranged, and screw rod 4 passes through 1 bottom of storage device, screw rod 4 to be located at the portion other than storage device 1
It is arranged with spigot nut 5 and adjusting nut 6, spigot nut 5 is fixed on 1 bottom of storage device, and adjusting nut 6 is located at spigot nut
5 lower sections.
In the present embodiment, when electroscope completes electrical verification work in without using state, adjusting nut 6, screw rod 4 are rotated
It moves downward, electroscope moves down, and when 2 top of electrical verification contact of electroscope is moved to inside containing box, is slidingly sealed machine
Structure closes containing box, when electroscope to be used, opens sealing mechanism, adjusting nut 6 is rotated in the opposite sense, and then will
The electrical verification contact 2 of electroscope stretches out, and then realizes the purpose protected to electroscope electrical verification contact 2, simple in structure, easy to operate,
Also save cost simultaneously.
Embodiment 2：
Referring to Fig. 1~2, a kind of electroscope, including storage device 1 and electroscope ontology, storage device top is equipped with and receipts
The sealing mechanism that device 1 of receiving is slidably matched, storage device 1 is interior to be equipped with electroscope, and electroscope ontology includes electrical verification contact 2, display
Part 3 and lever 18,18 top of lever are connected with display portion 3, and 3 upper end of display portion is connected with electrical verification contact 2,18 bottom of lever
Portion is fixedly connected with the screw rod 4 being vertically arranged, and screw rod 4 passes through 1 bottom of storage device, screw rod 4 to be located at the portion other than storage device 1
It is arranged with spigot nut 5 and adjusting nut 6, spigot nut 5 is fixed on 1 bottom of storage device, and adjusting nut 6 is located at spigot nut
5 lower sections.
The first seal cover board 15 and the second seal cover board 19 that sealing mechanism is oppositely arranged in the same horizontal line by two
Composition, the first seal cover board and 19 opposite side of the second seal cover board are equipped with the indentation being mutually twisted.By sealing mechanism by two
A the first seal cover board 15 being oppositely arranged in the same horizontal line and the second seal cover board 19 composition, 15 He of the first seal cover board
Second seal cover board, 19 opposite side is equipped with the indentation being mutually twisted, and containing box can be made to seal more preferable.
As a preferred mode, it is equipped with the company being vertically arranged on the first seal cover board 15 and the second seal cover board 19
Fishplate bar 17 is connected by bolt 16 between connecting plate.It is perpendicular by being equipped on the first seal cover board 15 and the second seal cover board 19
The connecting plate 17 being directly arranged is connected between connecting plate 17, on the one hand, the first sealing cover 15 and the second sealing cover 19 by bolt 16
On be both provided with connecting plate 17 and can facilitate folding sealing mechanism, on the other hand, connected by bolt 16 between two sealing plates
The first sealing cover 15 and the second sealing cover 19 can be made to connect more secured, and then make containing box better tightness, prevented first close
Capping 15 and the second sealing cover 19 slip off automatically.
The other parts of the present embodiment are same as Example 1, just repeat no more here.
Embodiment 3：
Referring to Fig. 1~2, a kind of electroscope, including storage device 1 and electroscope ontology, storage device top is equipped with and receipts
The sealing mechanism that device 1 of receiving is slidably matched, storage device 1 is interior to be equipped with electroscope, and electroscope ontology includes electrical verification contact 2, display
Part 3 and lever 18,18 top of lever are connected with display portion 3, and 3 upper end of display portion is connected with electrical verification contact 2,18 bottom of lever
Portion is fixedly connected with the screw rod 4 being vertically arranged, and screw rod 4 passes through 1 bottom of storage device, screw rod 4 to be located at the portion other than storage device 1
It is arranged with spigot nut 5 and adjusting nut 6, spigot nut 5 is fixed on 1 bottom of storage device, and adjusting nut 6 is located at spigot nut
5 lower sections.
1 top both ends of storage device are respectively equipped with T-type boss, the first seal cover board 15 and the second seal cover board 19 towards receipts
The one side of device 1 received is equipped with the T-slot that matches with T-type boss.It is respectively equipped with T-type boss by 1 top both ends of storage device,
The one side of first seal cover board 15 and the second seal cover board 19 towards storage device 1 is equipped with the T-slot to match with T-type boss,
On the one hand, the process of folding the first sealing cover 15 and the second sealing cover 19 can be made more effortless, it is simple to operate.
The other parts of the present embodiment are same as the previously described embodiments, just repeat no more here.
Embodiment 4：
Referring to Fig. 1~2, a kind of electroscope, including storage device 1 and electroscope ontology, storage device top is equipped with and receipts
The sealing mechanism that device 1 of receiving is slidably matched, storage device 1 is interior to be equipped with electroscope, and electroscope ontology includes electrical verification contact 2, display
Part 3 and lever 18,18 top of lever are connected with display portion 3, and 3 upper end of display portion is connected with electrical verification contact 2,18 bottom of lever
Portion is fixedly connected with the screw rod 4 being vertically arranged, and screw rod 4 passes through 1 bottom of storage device, screw rod 4 to be located at the portion other than storage device 1
It is arranged with spigot nut 5 and adjusting nut 6, spigot nut 5 is fixed on 1 bottom of storage device, and adjusting nut 6 is located at spigot nut
5 lower sections.
4 lower section of screw rod is equipped with elevating mechanism, and the adjusting cavity of both connections is equipped between elevating mechanism and storage device 1, is adjusted
The supporting rod 7 that section chamber is located at 4 both sides of screw rod by two forms.Be equipped with elevating mechanism by the lower section of screw rod 4, elevating mechanism and
The adjusting cavity of both connections is equipped between storage device 1, the supporting rod 7 that adjusting cavity is located at 4 both sides of screw rod by two forms,
When needing the site location for surveying voltage higher, it can realize that electroscope position is adjusted by elevating mechanism.
As a preferred mode, elevating mechanism includes level board 14, is vertically arranged positioned at 14 both ends of level board and
The first side plate 10 and the second side plate 12, bottom plate, between level board 14 and bottom plate be equipped with connection both crane 11, level board 14
Be equipped with the U-shaped groove towards the second side plate 12 direction close to 10 end face of the first side plate, be equipped in U-shaped groove it is horizontally disposed and
One end of the spring 9 being fixedly connected with bottom portion of groove, spring 9 towards the first side plate 10 is fixedly connected with convex block 8, the first side plate 10
It is equipped with the straight slot to match with 8 shape of convex block；Level board 14, which is equipped with to fix with level board 14 close to 12 one end of the second side plate, to be connected
It connects and across the rocking arm 13 of the second side plate 12.Include level board 14 by elevating mechanism, be located at 14 both ends of level board and is vertical
The first side plate 10 and the second side plate 12, bottom plate being arranged are equipped with both connections crane 11 between level board 14 and bottom plate, horizontal
Plate 14 is equipped with the U-shaped groove towards 12 direction of the second side plate close to 10 end face of the first side plate, is equipped in U-shaped groove horizontally disposed
And the spring 9 that is fixedly connected with bottom portion of groove, one end of spring 9 towards the first side plate 10 is fixedly connected with convex block 8, the first side
Plate 10 is equipped with the straight slot to match with 8 shape of convex block；Level board 14 is equipped with solid with level board 14 close to 12 one end of the second side plate
Fixed connection and the rocking arm 13 for passing through the second side plate 12, easy of rise mechanism follow the walk, convenient operation and control.
As a preferred mode, the number of straight slot is multiple, and straight slot is evenly distributed on vertically on the first side plate 10.It is logical
The number for crossing straight slot is multiple, and straight slot is evenly distributed on the first side plate 10 vertically, it can be achieved that arbitrarily adjusting the height of level board 14
Degree, and then electroscope can be adjusted to corresponding position according to required detection voltage location, it is convenient for subsequent operation.
As a preferred mode, crane 11 is made of multiple telescopic units, and telescopic unit includes two intersections
Connecting rod, crosspoint is mutually hinged, the link end of higher level's telescopic unit bottom end respectively with subordinate's telescopic unit top homonymy
Link end is mutually hinged；A lower surface for being articulated with level board 14 in two link ends of 11 top of crane,
Another is hinged with sliding block, and sliding block is located in the first sliding groove of 14 lower surface of level board and can move towards to slide along the first sliding groove
It is dynamic.It is made of multiple telescopic units crane 11, telescopic unit includes the connecting rod of two intersections, and crosspoint is cut with scissors mutually
It connects, the link end of higher level's telescopic unit bottom end is mutually hinged with the link end of subordinate's telescopic unit top homonymy respectively；It rises
A lower surface for being articulated with level board 14 in two link ends of 11 top of frame drops, another is hinged with sliding block, sliding
Block is located in the first sliding groove of 14 lower surface of level board and can move towards to slide along the first sliding groove, may be implemented it is as needed oneself
By the height of adjusting level board 14.
The other parts of the present embodiment are same as Example 1, just repeat no more here.
As above it is the embodiment of the present invention.Design parameter in above-described embodiment and embodiment is merely to understand table
Invention verification process is stated, not to limit the scope of patent protection of the present invention, scope of patent protection of the invention is still with it
Subject to claims, equivalent structure variation, should all similarly wrap made by every specification and accompanying drawing content with the present invention
Containing within the scope of the present invention.
Claims (8)
1. a kind of electroscope, including storage device (1) and electroscope ontology, it is characterised in that：It is set at the top of the storage device (1)
There is the sealing mechanism being slidably matched with storage device (1), electroscope ontology, the electroscope are equipped in the storage device (1)
Ontology includes electrical verification contact (2), display portion (3) and lever (18), and display portion (3) is connected at the top of the lever (18),
Display portion (3) upper end is connected with electrical verification contact (2), and lever (18) bottom is fixedly connected with the screw rod being vertically arranged
(4), the screw rod (4) passes through storage device (1) bottom, the screw rod (4) to be located at the part other than storage device (1) equipped with leading
To nut (5) and adjusting nut (6), the spigot nut (5) is fixed on storage device (1) bottom, adjusting nut (6) position
Below spigot nut (5).
2. a kind of electroscope according to claim 1, it is characterised in that：The sealing mechanism is by two in same horizontal line
On the first seal cover board (15) for being oppositely arranged and the second seal cover board (19) composition, first seal cover board (15) and second
Seal cover board (19) opposite side is equipped with the indentation being mutually twisted.
3. a kind of electroscope according to claim 2, it is characterised in that：First seal cover board (15) and the second sealing
It is equipped with the connecting plate (17) being vertically arranged on cover board (19), is connected by bolt (16) between the connecting plate (17).
4. a kind of electroscope according to claim 1, it is characterised in that：Both ends are set respectively at the top of the storage device (1)
There is a T-type boss, the one side of first seal cover board (15) and the second seal cover board (19) towards storage device (1) is equipped with and T
The T-slot that type boss matches.
5. a kind of electroscope according to claim 1, it is characterised in that：Elevating mechanism, institute are equipped with below the screw rod (4)
The adjusting cavity that both connections are equipped between elevating mechanism and storage device (1) is stated, the adjusting cavity is located at screw rod by two
(4) supporting rod (7) composition of both sides.
6. a kind of electroscope according to claim 5, it is characterised in that：The elevating mechanism includes level board (14), position
In level board (14) both ends and the first side plate (10) and the second side plate (12), bottom plate that are vertically arranged, the level board (14)
The crane (11) of both connections is equipped between bottom plate, the level board (14) is equipped with court close to the first side plate (10) end face
To the U-shaped groove in the second side plate (12) direction, equipped with horizontally disposed and be fixedly connected with bottom portion of groove in the U-shaped groove
Spring (9), one end of the spring (9) towards the first side plate (10) are fixedly connected with convex block (8), on first side plate (10)
Equipped with the straight slot to match with convex block (8) shape；The level board (14) is equipped with close to the second side plate (12) one end and level board
(14) it is fixedly connected and across the rocking arm (13) of the second side plate (12).
7. a kind of electroscope according to claim 6, it is characterised in that：The number of the straight slot is multiple, the straight slot
It is evenly distributed on the first side plate (10) vertically.
8. a kind of electroscope according to claim 7, it is characterised in that：The crane (11) is by multiple telescopic unit groups
At the telescopic unit includes the connecting rod of two intersections, and crosspoint is mutually hinged, the link end of higher level's telescopic unit bottom end
It is mutually hinged with the link end of subordinate's telescopic unit top homonymy respectively；Two connecting-rod heads of crane (11) top
A lower surface for being articulated with level board (14) in head, another is hinged with sliding block, and the sliding block is located under level board (14)
It can move towards in first sliding groove on surface and along the first sliding groove sliding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810775305.8A CN108663565A (en) | 2018-07-13 | 2018-07-13 | A kind of electroscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810775305.8A CN108663565A (en) | 2018-07-13 | 2018-07-13 | A kind of electroscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108663565A true CN108663565A (en) | 2018-10-16 |
Family
ID=63789228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810775305.8A Pending CN108663565A (en) | 2018-07-13 | 2018-07-13 | A kind of electroscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108663565A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113009210A (en) * | 2021-03-18 | 2021-06-22 | 山东吉瑞达电气有限公司 | Non-contact high-voltage electroscope |
| CN113281539A (en) * | 2021-05-19 | 2021-08-20 | 广东电网有限责任公司 | Supporting device |
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|---|---|---|---|---|
| CN113009210A (en) * | 2021-03-18 | 2021-06-22 | 山东吉瑞达电气有限公司 | Non-contact high-voltage electroscope |
| CN113281539A (en) * | 2021-05-19 | 2021-08-20 | 广东电网有限责任公司 | Supporting device |
| CN113281539B (en) * | 2021-05-19 | 2022-04-12 | 广东电网有限责任公司 | Supporting device |
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