CN109799403A - A kind of relay-protection tester with defencive function for electric system - Google Patents
A kind of relay-protection tester with defencive function for electric system Download PDFInfo
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- CN109799403A CN109799403A CN201910042357.9A CN201910042357A CN109799403A CN 109799403 A CN109799403 A CN 109799403A CN 201910042357 A CN201910042357 A CN 201910042357A CN 109799403 A CN109799403 A CN 109799403A
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- defencive function
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Abstract
The present invention relates to a kind of relay-protection testers with defencive function for electric system, including main body, main body is equipped with wiring mechanism and operating mechanism, wiring mechanism includes several connector assemblies, connector assembly includes wiring hole, sealing block, pull rod, pull ring, rotor plate, two the first springs and two rotating units, operating mechanism includes protection board, handle, recess, operating assembly and two fixation kits, operating assembly includes operation panel, mobile bar, two sliding units and two connection units, the relay-protection tester with defencive function for being used for electric system facilitates connection external signal line by wiring mechanism, in not line, sealing block blocks wiring hole, prevent wiring hole dampness from causing equipment short-circuit, moreover, facilitate depresses button and observation display screen by operating mechanism, and it is utilized in the idleness of equipment Protection board closes recess, and is fixed, and protects display screen and key, prevents equipment damage, further improve the practicability of equipment.
Description
Technical field
The present invention relates to field of electrical equipment, in particular to a kind of relay with defencive function for electric system is protected
Protect tester.
Background technique
After electrical testing protection instrument be referring to Electricity Department issue " microcomputer type relay protection experimental rig technical conditions (are begged for
By original text) " on the basis of, consumers' opinions is listened to extensively, domestic similar product advantage and disadvantage at present is summarized, sufficiently using modern advanced
A kind of novel miniaturization microcomputer that microelectric technique and device are realized is protected after electrical testing.When the force device in electric system
It, can be to operating value when (such as generator, route) or electric system itself have occurred failure and jeopardize safe operation of power system
Class personnel send warning signal in time, or directly issue trip signal to the breaker controlled to terminate these events hair
Exhibition, to realize the automation and remote operation and industrial automatic control of electric system, such as automatic reclosing, standby
Electricity consumption source automatically engages, is remotely controlled, telemetering.
On existing relay-protection tester, display screen, key and wiring hole are usually all to be directly exposed to device external,
Although facilitating operational observations, display screen and key are easy to be damaged by extraneous extrusion and collision, meanwhile, and wiring hole
Inside is easily accessible dust, and in the environment of some humidities, steam is easily accessible inside wiring hole, when the steam of entrance is more
When, equipment internal short circuits are easily caused, equipment damage is caused, thereby reduce the practical of existing relay-protection tester
Property.
Summary of the invention
The technical problem to be solved by the present invention is for overcome the deficiencies in the prior art, providing a kind of for electric system
The relay-protection tester with defencive function.
The technical solution adopted by the present invention to solve the technical problems is: a kind of to have defencive function for electric system
Relay-protection tester, including main body and four stabilizer blades, four stabilizer blades are separately fixed at the lower section of the four corners of main body, described
Main body is equipped with wiring mechanism and operating mechanism；
The wiring mechanism includes several connector assemblies, the connector assembly include wiring hole, sealing block, pull rod, pull ring,
Rotor plate, two the first springs and two rotating units, the wiring hole are arranged in main body, and the shape of the sealing block is circle
Cylindricality is bored, the maximum gauge of the sealing block is greater than the internal diameter of wiring hole, and the minimum diameter of the sealing block is less than wiring hole
The top of internal diameter, the sealing block is arranged in wiring hole, and the bottom of the sealing block is connect by pull rod with pull ring, and described turn
Movable plate is set on pull rod, and two the first springs are located at the two sides of pull rod, and the bottom of the sealing block passes through the first spring
It being connect with rotor plate, first spring is in compressive state, and two rotating units are located at the two sides of wiring hole, and described turn
The both ends of movable plate pass through two rotating units respectively and connect with main body；
The operating mechanism includes protection board, handle, recess, operating assembly and two fixation kits, the protection board
Size is greater than the size of recess, and two fixation kits are located at the both ends of protection board, the protection board by fixation kit with
Main body connection, the recess are arranged in main body, and the operating assembly is arranged in recess, and the handle is fixed on protection board
Side far from recess, the operating assembly include operation panel, mobile bar, two sliding units and two connection units, described
Operation panel is fixedly connected with protection board, and the operation panel is equipped with display screen and several keys, and two connection units are located at
The two sides of one end of the separate protection board of operation panel, the connection unit include side lever, casing and connecting rod, and the one of the side lever
End is fixed on operation panel, and the other end of the side lever is arranged in casing, and described sleeve pipe is fixed by connecting rod and mobile bar
Connection, two sliding units are located at the both ends of mobile bar.
Preferably, the rotation of rotor plate for convenience, the rotating unit includes central axis, rotating bar and two axis
It holds, the bearing is fixed in main body, and the both ends of the central axis are separately positioned in two bearings, the center of the central axis
Place is fixedly connected by rotating bar with rotor plate.
Preferably, the leakproofness in order to guarantee sealing block, the making material of the sealing block is rubber.
Preferably, in order to fix the position of protection board, the fixation kit includes connecting rod, slotting ring, inserted link, pressing plate, consolidates
Fixed board, second spring and two position-limiting units, the slotting ring are fixedly connected by connecting rod with protection board, and the slotting ring is set in slotting
On bar, the top of the inserted link is fixed on the lower section of pressing plate, and the fixed plate is fixed in main body, and the fixed plate is located at pressing plate
Top, the fixed plate connect by second spring with pressing plate, and the second spring is in compressive state, two position-limiting units
It is located at the two sides of second spring.
Preferably, passing through slotting ring for the ease of inserted link, the shape of the bottom end of the inserted link is hemispherical.
Preferably, in order to limit the movement of pressing plate, the position-limiting unit includes limited block and gag lever post, the limited block
It is fixedly connected with the pressing plate by gag lever post, the fixed plate is set on gag lever post.
Preferably, be fixed for the ease of the position to pressing plate, the fixation kit further include fixing axle, lantern ring,
Link and hook, the fixing axle are fixed between two limited blocks, and the lantern ring is set in fixing axle, the link and set
Ring is fixedly connected, and the hook is located at the side of the separate fixed plate of fixing axle, and the hook is fixed on the shell.
Preferably, the movement of plate for ease of operation, the sliding unit includes slip ring and sliding rail, the shape of the sliding rail
Shape is U-shaped, and the both ends of the sliding rail are fixed on the inner wall of recess, and the slip ring is set on sliding rail, the mobile bar and cunning
Ring is fixedly connected.
Preferably, the two sides of the operation panel are equipped with several idler wheels for the Auxiliary support operation panel in recess.
Preferably, the leakproofness in order to guarantee protection board and recess, the side of the close recess of the protection board is equipped with
Sealing ring, the periphery of the sealing ring and the inner wall of recess are tightly connected.
The invention has the advantages that this is used for the relay-protection tester with defencive function of electric system by connecing
Line mechanism facilitates connection external signal line, and in not line, sealing block blocks wiring hole, prevents wiring hole dampness from causing equipment short
Road, compared with existing wiring mechanism, the wiring mechanism is easy to operate, moreover, facilitates depresses button by operating mechanism
With observation display screen, and recess is closed using protection board in the idleness of equipment, and is fixed, protects display screen and key, prevent
Only equipment damage further improves the practicability of equipment, compared with existing operating mechanism, the operating mechanism flexible structure and
Securely and reliably.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the relay-protection tester with defencive function for electric system of the invention；
Fig. 2 is the knot of the operating mechanism of the relay-protection tester with defencive function for electric system of the invention
Structure schematic diagram；
Fig. 3 is the knot of the fixation kit of the relay-protection tester with defencive function for electric system of the invention
Structure schematic diagram；
Fig. 4 is the knot of the connector assembly of the relay-protection tester with defencive function for electric system of the invention
Structure schematic diagram；
In figure: 1. main bodys, 2. stabilizer blades, 3. wiring holes, 4. sealing blocks, 5. pull rods, 6. pull rings, 7. rotor plates, 8. first bullets
Spring, 9. protection boards, 10. handles, 11. operation panels, 12. mobile bars, 13. display screens, 14. keys, 15. side levers, 16. casings, 17.
Connecting rod, 18. central axises, 19. rotating bars, 20. bearings, 21. connecting rods, 22. slotting rings, 23. inserted links, 24. pressing plates, 25. fixed plates,
26. second spring, 27. limited blocks, 28. gag lever posts, 29. fixing axles, 30. lantern rings, 31. links, 32. hooks, 33. sealing rings,
34. slip ring, 35. sliding rails, 36. idler wheels.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, a kind of relay-protection tester with defencive function for electric system, including 1 He of main body
Four stabilizer blades 2, four stabilizer blades 2 are separately fixed at the lower section of the four corners of main body 1, and the main body 1 is equipped with wiring mechanism and behaviour
Make mechanism；
In the relay-protection tester, by main body 1, passing through wiring mechanism on the fixed supportive body 1 of four stabilizer blades 2
External signal line is connected, facilitates depresses button 14 using operating mechanism, signal content is observed by display screen 13, and to display
Screen 13 and key 14 carry out insulation blocking, prevent equipment damage.
As shown in Figure 1 and Figure 4, the wiring mechanism includes several connector assemblies, the connector assembly include wiring hole 3,
Sealing block 4, pull rod 5, pull ring 6,7, two the first springs 8 of rotor plate and two rotating units, the wiring hole 3 are arranged in main body
On 1, the shape of the sealing block 4 is circular cone cylindricality, and the maximum gauge of the sealing block 4 is greater than the internal diameter of wiring hole 3, described close
The minimum diameter for sealing block 4 is less than the internal diameter of wiring hole 3, and the top of the sealing block 4 is arranged in wiring hole 3, the sealing block 4
Bottom connect with pull ring 6 by pull rod 5, the rotor plate 7 is set on pull rod 5, and two the first springs 8 are located at pull rod
The bottom of 5 two sides, the sealing block 4 is connect by the first spring 8 with rotor plate 7, and first spring 8 is in compression shape
State, two rotating units are located at the two sides of wiring hole 3, the both ends of the rotor plate 7 pass through respectively two rotating units with
Main body 1 connects；
In wiring mechanism, multiply external signal line can be connected by multiple connector assemblies, when realizing connector assembly, is passed through
Pull ring 6 pulls pull rod 5, so that sealing block 4 is detached from wiring hole 3, drives rotor plate 7 to rotate using rotating unit, can be by signal
Line is inserted into wiring hole 3, to connect external signal, after use, signal wire is extracted out, then pulls pull ring 6, and band
Turn movable plate 7 turn to it is parallel with wiring hole 3 after, unclamp pull ring 6, under the thrust of the first compressed spring 8, sealing block 4
It is inserted into wiring hole 3, blocks wiring hole 3, protect wiring hole 3, after preventing it from making moist, lead to equipment Damage by Short Circuit.
As shown in Fig. 2, the operating mechanism includes protection board 9, handle 10, recess, operating assembly and two fixation kits,
The size of the protection board 9 is greater than the size of recess, and two fixation kits are located at the both ends of protection board 9, the protection board 9
It being connect by fixation kit with main body 1, on the body 1, the operating assembly is arranged in recess for the recess setting, and described
Hand 10 is fixed on the side of the separate recess of protection board 9, and the operating assembly includes operation panel 11, mobile bar 12, two slidings
Unit and two connection units, the operation panel 11 are fixedly connected with protection board 9, and the operation panel 11 is equipped with 13 He of display screen
Several keys 14, two connection units are located at the two sides of one end of the separate protection board 9 of operation panel 11, the connection unit
Including side lever 15, casing 16 and connecting rod 17, one end of the side lever 15 is fixed on operation panel 11, the side lever 15 it is another
End is arranged in casing 16, and described sleeve pipe 16 is fixedly connected by connecting rod 17 with mobile bar 12, and two sliding units distinguish position
In the both ends of mobile bar 12.
In operating mechanism, operation panel 11 is arranged in recess, blocks recess using protection board 9, and solid by fixation kit
The position for determining operation panel 11 prevents protection board 9 from leaving the aperture position of recess, recess is blocked using protection board 9, thus to recess
Interior operation panel 11 carries out insulation blocking, prevents display screen 13 and key 14 on operation panel 11 from damaging.It is shown when needing to use
When screen 13 and key 14, fixation kit unclamps the fixation to protection board 9, then protection board 9 can be driven mobile by handle 10, made
It obtains operation panel 11 and is detached from recess, the two sides of operation panel 11, side lever 15 and operation panel 11 are fixed, and rear sleeve 16 passes through connecting rod 17
It is kept fixed and connect with mobile bar 12, facilitate the rotation of side lever 15 and operation panel 11, and then facilitate and adjust 13 He of display screen
The angle of key 14 facilitates people's depresses button 14 and observes the content of display screen 13, realizes shifting using two sliding units
The steady movement of lever 12, convenient for the steady movement of operation panel 11.
Preferably, the rotation of rotor plate 7 for convenience, the rotating unit includes central axis 18, rotating bar 19 and two
A bearing 20, the bearing 20 is fixed on the body 1, and the both ends of the central axis 18 are separately positioned in two bearings 20, institute
It states and is fixedly connected by rotating bar 19 with rotor plate 7 at the center of central axis 18.
The position of bearing 20 is fixed, and is rotated convenient for center-pole along the axis of bearing 20, and then can drive 19 turns of rotating bar
It is dynamic, the rotation of rotor plate 7 is facilitated by rotating bar 19.
Preferably, the leakproofness in order to guarantee sealing block 4, the making material of the sealing block 4 is rubber.Rubber has
Soft elasticity guarantees the leakproofness of docking string holes 3, while rubber-covered, further increases by being squeezed into wiring hole 3
The security performance of the equipment.
As shown in figure 3, the fixation kit includes connecting rod 21, slotting ring 22, inserted link 23, pressing plate 24, fixed plate 25, the second bullet
Spring 26 and two position-limiting units, the slotting ring 22 are fixedly connected by connecting rod 21 with protection board 9, and the slotting ring 22 is set in inserted link
On 23, the top of the inserted link 23 is fixed on the lower section of pressing plate 24, and the fixed plate 25 is fixed on the body 1, the fixed plate
25 are located at the top of pressing plate 24, and the fixed plate 25 is connect by second spring 26 with pressing plate 24, and the second spring 26 is in
Compressive state, two position-limiting units are located at the two sides of second spring 26.
When needing the position to protection board 9 to be fixed, protection board 9 is leaned against on recess, slotting ring 22 passes through connecting rod 21
It is fixedly connected with protection board 9, so that slotting ring 22 leans against the surface of main body 1, in the top of recess, pulls up pressing plate 24, second
Spring 26 is compressed, and inserted link 23 unclamps after being directed at slotting ring 22, and second spring 26 is to restore deformation, pushes inserted link 23 to be passed down through slotting
Ring 22 can fix the position of slotting ring 22, since slotting ring 22 is fixedly connected by side lever 15 with protection board 9, to secure guarantor
The position of backplate 9.
Preferably, passing through slotting ring 22 for the ease of inserted link 23, the shape of the bottom end of the inserted link 23 is hemispherical.Pass through
Hemispheric design reduces the size of the bottom end of inserted link 23, passes through slotting ring 22 convenient for inserted link 23.
Preferably, in order to limit the movement of pressing plate 24, the position-limiting unit includes limited block 27 and gag lever post 28, described
Limited block 27 is fixedly connected by gag lever post 28 with pressing plate 24, and the fixed plate 25 is set on gag lever post 28.Utilize gag lever post
28 secure the moving direction of pressing plate 24, and when so that the deformation quantity of second spring 26 changing, pressing plate 24 is with gag lever post 28
Axis is moved, while limiting the moving range of gag lever post 28 by limited block 27, and gag lever post 28 is avoided to be detached from fixed plate
25。
As shown in figure 3, the fixation kit further includes fixing axle 29, lantern ring 30, link 31 and hook 32, the fixing axle
29 are fixed between two limited blocks 27, and the lantern ring 30 is set in fixing axle 29, the link 31 and the fixed company of lantern ring 30
It connects, the hook 32 is located at the side of the separate fixed plate 25 of fixing axle 29, and the hook 32 is fixed on the shell.
When needing to extract operation panel 11 outside recess out, need respectively to operate two fixation kits, god's inserted link 23
It is detached from slotting ring 22, lantern ring 30 can be driven to move up by link 31 at this time, lantern ring 30 drives fixing axle 29 mobile, due to fixation
Axis 29 is fixedly connected with limited block 27, and limited block 27 is fixedly connected by gag lever post 28 with pressing plate 24, therefore lantern ring 30 is to moving up
It is dynamic that inserted link 23 can be made to move up, drive inserted link 23 to be detached from slotting ring 22, then rotational lantern ring 30, hang over hook 32 for link 31
On, can fixation clip 24 and inserted link 23 position, another fixation kit is operated again later so that inserted link 23 be detached from
It is convenient to be extracted operation panel 11 out from recess by handle 10 after slotting ring 22.
Preferably, the movement of plate 11 for ease of operation, the sliding unit includes slip ring 34 and sliding rail 35, the cunning
The shape of rail 35 is U-shaped, and the both ends of the sliding rail 35 are fixed on the inner wall of recess, and the slip ring 34 is set on sliding rail 35,
The mobile bar 12 is fixedly connected with slip ring 34.The position of sliding rail 35 is fixed, so that the moving direction of slip ring 34 is fixed, Jin Erbian
It is moved in mobile bar 12 along sliding rail 35, to facilitate the movement of operation panel 11.
Preferably, the two sides of the operation panel 11 are equipped with several idler wheels for the Auxiliary support operation panel 11 in recess
36.When operation panel 11 is taken in recess, idler wheel 36 is contacted with the bottom of recess, and idler wheel 36 can be rolled along the bottom of recess,
And then facilitate and operation panel 11 is supported, it avoids operation panel 11 from contacting with the inner wall of recess and collides.
Preferably, the leakproofness in order to guarantee protection board 9 Yu recess, the side of the close recess of the protection board 9 is set
There is sealing ring 33, the periphery of the sealing ring 33 and the inner wall of recess are tightly connected.By sealing ring 33 strengthen protection board 9 with
Leakproofness between recess prevents recess inner inlet, further improves the security reliability of equipment.
The relay-protection tester facilitates connection external signal line by the wiring hole 3 in connector assembly, and wiring hole 3 uses
After, by the rotation of rotor plate 7, sealing block 4 is made to be directed at wiring hole 3, pushes sealing block 4 using the first spring 8 of compression
Wiring hole 3 is blocked in extruding, is prevented wiring hole 3 from making moist and is caused the Damage by Short Circuit of equipment moreover, will in operating mechanism
Operation panel 11 is extracted out from recess, can facilitate depresses button 14 and observation display screen 13, and after use, operation panel 11 is received for equipment
Into in recess, the position of fixed protection board 9 can be facilitated using fixation kit, make protection board 9 in recess display screen 13 and by
Key 14 is protected, and prevents from being damaged, and further improves the security reliability and practicability of equipment.
Compared with prior art, which passes through patching machine
Structure facilitates connection external signal line, and in not line, sealing block 4 blocks wiring hole 3, prevents the dampness of wiring hole 3 from causing equipment short
Road, compared with existing wiring mechanism, the wiring mechanism is easy to operate, moreover, facilitates depresses button by operating mechanism
14 and observation display screen 13, and recess is closed using protection board 9 in the idleness of equipment, and it is fixed, protects 13 He of display screen
Key 14, prevents equipment damage, further improves the practicability of equipment, compared with existing operating mechanism, the operating mechanism
Flexible structure and safe and reliable.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of relay-protection tester with defencive function for electric system, which is characterized in that including main body (1) and
Four stabilizer blades (2), four stabilizer blades (2) are separately fixed at the lower section of the four corners of main body (1), and the main body (1) is equipped with wiring
Mechanism and operating mechanism；
The wiring mechanism includes several connector assemblies, the connector assembly include wiring hole (3), sealing block (4), pull rod (5),
Pull ring (6), rotor plate (7), two the first springs (8) and two rotating units, the wiring hole (3) are arranged on main body (1),
The shape of the sealing block (4) is circular cone cylindricality, and the maximum gauge of the sealing block (4) is greater than the internal diameter of wiring hole (3), described
The minimum diameter of sealing block (4) is less than the internal diameter of wiring hole (3), and the top setting of the sealing block (4) is interior in wiring hole (3),
The bottom of the sealing block (4) is connect by pull rod (5) with pull ring (6), and the rotor plate (7) is set on pull rod (5), and two
First spring (8) is located at the two sides of pull rod (5), and the bottom of the sealing block (4) passes through the first spring (8) and rotor plate
(7) it connects, first spring (8) is in compressive state, and two rotating units are located at the two sides of wiring hole (3), described
The both ends of rotor plate (7) pass through two rotating units respectively and connect with main body (1)；
The operating mechanism includes protection board (9), handle (10), recess, operating assembly and two fixation kits, the protection board
(9) size is greater than the size of recess, and two fixation kits are located at the both ends of protection board (9), and the protection board (9) passes through
Fixation kit is connect with main body (1), and the recess is arranged on main body (1), and the operating assembly is arranged in recess, and described
Hand (10) is fixed on the side of the separate recess of protection board (9), the operating assembly include operation panel (11), mobile bar (12),
Two sliding units and two connection units, the operation panel (11) are fixedly connected with protection board (9), on the operation panel (11)
Equipped with display screen (13) and several keys (14), two connection units are located at the separate protection board (9) of operation panel (11)
The two sides of one end, the connection unit include side lever (15), casing (16) and connecting rod (17), and one end of the side lever (15) is solid
It is scheduled on operation panel (11), in casing (16), described sleeve pipe (16) passes through connecting rod for the other end setting of the side lever (15)
(17) it is fixedly connected with mobile bar (12), two sliding units are located at the both ends of mobile bar (12).
2. being used for the relay-protection tester with defencive function of electric system as described in claim 1, which is characterized in that
The rotating unit includes central axis (18), rotating bar (19) and two bearings (20), and the bearing (20) is fixed on main body (1)
On, the both ends of the central axis (18) are separately positioned in two bearings (20), by turning at the center of the central axis (18)
Lever (19) is fixedly connected with rotor plate (7).
3. being used for the relay-protection tester with defencive function of electric system as described in claim 1, which is characterized in that
The making material of the sealing block (4) is rubber.
4. being used for the relay-protection tester with defencive function of electric system as described in claim 1, which is characterized in that
The fixation kit include connecting rod (21), slotting ring (22), inserted link (23), pressing plate (24), fixed plate (25), second spring (26) and
Two position-limiting units, the slotting ring (22) are fixedly connected by connecting rod (21) with protection board (9), and the slotting ring (22) is set in slotting
On bar (23), the top of the inserted link (23) is fixed on the lower section of pressing plate (24), and the fixed plate (25) is fixed on main body (1)
On, the fixed plate (25) is located at the top of pressing plate (24), and the fixed plate (25) passes through second spring (26) and pressing plate (24)
Connection, the second spring (26) are in compressive state, and two position-limiting units are located at the two sides of second spring (26).
5. being used for the relay-protection tester with defencive function of electric system as claimed in claim 4, which is characterized in that
The shape of the bottom end of the inserted link (23) is hemispherical.
6. being used for the relay-protection tester with defencive function of electric system as claimed in claim 4, which is characterized in that
The position-limiting unit includes limited block (27) and gag lever post (28), and the limited block (27) passes through gag lever post (28) and pressing plate (24)
It is fixedly connected, the fixed plate (25) is set on gag lever post (28).
7. being used for the relay-protection tester with defencive function of electric system as claimed in claim 6, which is characterized in that
The fixation kit further includes that fixing axle (29), lantern ring (30), link (31) and hook (32), the fixing axle (29) are fixed on
Between two limited blocks (27), the lantern ring (30) is set on fixing axle (29), and the link (31) and lantern ring (30) are fixed
Connection, the hook (32) are located at the side of the separate fixed plate (25) of fixing axle (29), and the hook (32) is fixed on shell
On.
8. being used for the relay-protection tester with defencive function of electric system as described in claim 1, which is characterized in that
The sliding unit includes slip ring (34) and sliding rail (35), and the shape of the sliding rail (35) is U-shaped, the both ends of the sliding rail (35)
It is fixed on the inner wall of recess, the slip ring (34) is set on sliding rail (35), and the mobile bar (12) and slip ring (34) are fixed
Connection.
9. being used for the relay-protection tester with defencive function of electric system as described in claim 1, which is characterized in that
The two sides of the operation panel (11) are equipped with several idler wheels (36).
10. being used for the relay-protection tester with defencive function of electric system as described in claim 1, feature exists
Be equipped with sealing ring (33) in the side of, the close recess of the protection board (9), the periphery of the sealing ring (33) and recess it is interior
Wall is tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910042357.9A CN109799403A (en) | 2019-01-17 | 2019-01-17 | A kind of relay-protection tester with defencive function for electric system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910042357.9A CN109799403A (en) | 2019-01-17 | 2019-01-17 | A kind of relay-protection tester with defencive function for electric system |
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| Publication Number | Publication Date |
|---|---|
| CN109799403A true CN109799403A (en) | 2019-05-24 |
Family
ID=66559452
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910042357.9A Withdrawn CN109799403A (en) | 2019-01-17 | 2019-01-17 | A kind of relay-protection tester with defencive function for electric system |
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| Country | Link |
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| CN (1) | CN109799403A (en) |
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Application publication date: 20190524 |
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