CN207264963U - Earthing switch and the switchgear using the earthing switch - Google Patents
Earthing switch and the switchgear using the earthing switch Download PDFInfo
- Publication number
- CN207264963U CN207264963U CN201721142303.2U CN201721142303U CN207264963U CN 207264963 U CN207264963 U CN 207264963U CN 201721142303 U CN201721142303 U CN 201721142303U CN 207264963 U CN207264963 U CN 207264963U
- Authority
- CN
- China
- Prior art keywords
- contact
- moving contact
- earthing switch
- flanging
- linkage section
- 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.)
- Expired - Fee Related
Links
- 230000003068 static effect Effects 0.000 claims abstract description 62
- 230000006835 compression Effects 0.000 claims description 28
- 238000007906 compression Methods 0.000 claims description 28
- 238000005096 rolling process Methods 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 4
- 229910052742 iron Inorganic materials 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
Abstract
It the utility model is related to earthing switch and the switchgear using the earthing switch, earthing switch includes rotating the drive shaft set and fixed moving contact on the driving shaft, the moving contact includes two connecting pins, and two connecting pins of moving contact are matched somebody with somebody respectively is arranged with static contact and earthing pole.By the way that moving contact is designed to double end, the double end of moving contact is set to distinguish supporting connection static contact and earthing pole, it can be achieved with being grounded without connecting busbar on moving contact, reduce the possibility of busbar fracture, realize preferable conductive effect, and structure installation is simple, stable work in work, service life are longer.
Description
Technical field
It the utility model is related to earthing switch and the switchgear using the earthing switch.
Background technology
Earthing switch is the mechanical switch for circuit ground part, belongs to one kind of disconnecting switch, earthing switch one
As be installed on switchgear in, it can carry the electric current under non-normal condition within a certain period of time(Such as short circuit current flow).Electric
When equipment is overhauled, for may power transmission to power failure equipments all directions or power failure equipments there may be induced voltage ground
Side will close earthing switch, this is that service personnel comes suddenly when the operating point of power failure equipments or power failure works in order to prevent
Electricity, it is ensured that the safety measure that the personal safety of service personnel is taken, the residue on electrical equipment that Simultaneous Switching cabinet is disconnected
Electric charge also can be complete by being discharged after ground switch earthing.In the prior art moving contact rotated around rotation axis contact with static contact with
The purpose being grounded, is coated with busbar in rotation axis, busbar by rotation axis outside copper sheathing be conductively connected with moving contact, but copper
Set due to area it is smaller with the contact area of moving contact is smaller makes conductive effect bad, and busbar repeatedly turns with rotation axis repeatedly
The problem of moving, fracture also occur.
Utility model content
The purpose of this utility model is to provide the good ground connection of a kind of simple in structure, stable work in work and conductive effect
Switch;The purpose of this utility model is to provide a kind of switchgear using the earthing switch.
To achieve the above object, the first technical solution of the utility model earthing switch is:Earthing switch includes rotating
The drive shaft of setting and fixed moving contact on the driving shaft, the moving contact include two connecting pins, two companies of moving contact
Connect to hold to match somebody with somebody respectively and be arranged with static contact and earthing pole.
Second of technical solution of the utility model earthing switch be:In the first technology of the utility model earthing switch
On the basis of scheme, the moving contact is angle-style, including the first linkage section and the second linkage section, the first of moving contact in ground connection
The end of linkage section is conductively connected with earthing pole, and end and the static contact of the second linkage section are conductively connected.Moving contact is angle-style, knot
Structure is compact, can reduce the overall volume of earthing switch.
The third technical solution of the utility model earthing switch is:In second of technology of the utility model earthing switch
On the basis of scheme, the first linkage section of the moving contact and the angle of the second linkage section are 90 °.Easy to supporting static contact and
Earthing pole is installed on cabinet, makes static contact and earthing pole and the convenient connection of moving contact.
4th kind of technical solution of the utility model earthing switch be:In second of technology of the utility model earthing switch
On the basis of scheme, first linkage section and the second linkage section are symmetrical structure.Symmetrical structure makes moving contact get well processing, structure
Also it is more compact.
5th kind of technical solution of the utility model earthing switch be:In the first technology of the utility model earthing switch
On the basis of scheme, the static contact, which is equipped with, to be used to carry out moving contact spacing position limiting structure.Position limiting structure is used for dynamic
Contact carry out it is spacing, avoid moving contact close a floodgate when with static contact loose contact.
6th kind of technical solution of the utility model earthing switch be:In the 5th kind of technology of the utility model earthing switch
On the basis of scheme, the static contact is L-type structure, including the first flanging and the second flanging, and the static contact is equipped with vertical
In the first flanging and the second flanging, static contact contact-segment for being conductively connected with moving contact, second flanging constitutes
The position limiting structure.Static contact is L-type structure, simple in structure, and the second flanging can carry out moving contact spacing and increase
The contact area of static contact and moving contact, improves conductive capability.
7th kind of technical solution of the utility model earthing switch be:The utility model earthing switch the first to
On the basis of six kinds of any one technical solutions, the ground connection is extremely T-shaped, including the 3rd flanging and Fourth Fold, and the described 3rd
Flanging is the earthing pole contact-segment for being contacted with moving contact.
8th kind of technical solution of the utility model earthing switch be:The utility model earthing switch the first to
On the basis of six kinds of any one technical solutions, the earthing switch further includes symmetrically arranged angle bar seat, the driving axle position
Between two angle bar seats and rolling assembling is on two angle bar seats.Angle bar seat fixing-stable, and facilitate the installation of rotation axis.
9th kind of technical solution of the utility model earthing switch be:In the 8th kind of technology of the utility model earthing switch
On the basis of scheme, each angle bar seat includes two angle bar being disposed opposite to each other, and is fixed with and turns in the drive shaft between two angle bar
Arm, has on tension spring, or connecting lever away from drive shaft and remote away from drive shaft on the connecting lever and close to the end set of static contact
There is compression spring from the end set of static contact, the other end of the tension spring or compression spring is connected with rotation axis, and the rotation axis is hinged on
Angle bar seat bottom.By increasing compression spring or tension spring can make earthing switch automatically reset under the elastic force effect of spring combined floodgate.
Tenth kind of technical solution of the utility model earthing switch be:In the 9th kind of technology of the utility model earthing switch
On the basis of scheme, the tension spring or compression spring are internally provided with connecting lever end and rotation axis to be oriented to tension spring or compression spring
Guide rod.Guide rod is set inside tension spring or compression spring, can prevent tension spring or the compression spring transition deformation in separating brake.
To achieve the above object, the first technical solution of the utility model switchgear is:Switchgear includes cabinet and peace
Earthing switch inside cabinet, the earthing switch includes rotating the drive shaft that sets and fixed on the driving shaft dynamic touches
Head, the moving contact include two connecting pins, and two connecting pins of moving contact are matched somebody with somebody respectively is arranged with static contact and earthing pole.
Second of technical solution of the utility model switchgear be:In the first technical solution of the utility model switchgear
On the basis of, the moving contact is angle-style, including the first linkage section and the second linkage section, the first connection of moving contact in ground connection
The end of section is conductively connected with earthing pole, and end and the static contact of the second linkage section are conductively connected.Moving contact is angle-style, and structure is tight
Gather, the overall volume of earthing switch can be reduced.
The third technical solution of the utility model switchgear is:In second of technical solution of the utility model switchgear
On the basis of, the first linkage section of the moving contact and the angle of the second linkage section are 90 °.Easy to supporting static contact and ground connection
Pole is installed on cabinet, makes static contact and earthing pole and the convenient connection of moving contact.
4th kind of technical solution of the utility model switchgear be:In second of technical solution of the utility model switchgear
On the basis of, first linkage section and the second linkage section are symmetrical structure.Symmetrical structure makes moving contact get well processing, and structure is also more
It is compact.
5th kind of technical solution of the utility model switchgear be:In the first technical solution of the utility model switchgear
On the basis of, the static contact, which is equipped with, to be used to carry out moving contact spacing position limiting structure.Position limiting structure is used for moving contact
Carry out it is spacing, avoid moving contact close a floodgate when with static contact loose contact.
6th kind of technical solution of the utility model switchgear be:In the 5th kind of technical solution of the utility model switchgear
On the basis of, the static contact is L-type structure, including the first flanging and the second flanging, and the static contact is equipped with perpendicular to the
One flanging and the second flanging, static contact contact-segment for being conductively connected with moving contact, second flanging constitutes described
Position limiting structure.Static contact is L-type structure, simple in structure, and the second flanging can carry out moving contact spacing and increase stationary contact
The contact area of head and moving contact, improves conductive capability.
7th kind of technical solution of the utility model switchgear be:The utility model switchgear the first to the 6th kind
On the basis of any one technical solution, the ground connection is extremely T-shaped, including the 3rd flanging and Fourth Fold, the 3rd flanging
For for the earthing pole contact-segment contacted with moving contact.
8th kind of technical solution of the utility model switchgear be:The utility model switchgear the first to the 6th kind
On the basis of any one technical solution, the switchgear further includes symmetrically arranged angle bar seat, and the drive shaft is located at two
Between angle bar seat and rolling assembling is on two angle bar seats.Angle bar seat fixing-stable, and facilitate the installation of rotation axis.
9th kind of technical solution of the utility model switchgear be:In the 8th kind of technical solution of the utility model switchgear
On the basis of, each angle bar seat includes two angle bar being disposed opposite to each other, and is fixed with connecting lever in the drive shaft between two angle bar, institute
State away from drive shaft on connecting lever and have close to the end set of static contact on tension spring, or connecting lever away from drive shaft and away from stationary contact
The end set of head has compression spring, and the other end of the tension spring or compression spring is connected with rotation axis, and the rotation axis is hinged on angle bar seat
Bottom.By increasing compression spring or tension spring can make earthing switch automatically reset under the elastic force effect of spring combined floodgate.
Tenth kind of technical solution of the utility model switchgear be:In the 9th kind of technical solution of the utility model switchgear
On the basis of, the tension spring or compression spring are internally provided with connecting lever end and rotation axis and are led with what is be oriented to tension spring or compression spring
To bar.Guide rod is set inside tension spring or compression spring, can prevent tension spring or the compression spring transition deformation in separating brake.
The beneficial effects of the utility model are:By the way that moving contact is designed to double end, make the double end difference of moving contact supporting
Static contact and earthing pole are connected, can be achieved with being grounded without connecting busbar on moving contact, reduces the possibility of busbar fracture, it is real
Now preferable conductive effect, and structure installation is simple, stable work in work, service life are longer.
Brief description of the drawings
Fig. 1 is the structure diagram of the earthing switch of the specific embodiment one of the utility model switchgear;
Fig. 2 is the structure diagram of the earthing switch of the specific embodiment two of the utility model switchgear;
Fig. 3 is the structure diagram of the earthing switch of the specific embodiment three of the utility model switchgear;
Fig. 4 is the structure diagram of the earthing switch of the specific embodiment four of the utility model switchgear.
Embodiment
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment one of the switchgear of the utility model, as shown in Figure 1, switchgear includes cabinet and installed in cabinet
Internal earthing switch, earthing switch include symmetrically arranged angle bar seat 1, and drive shaft 6 is equipped between two angle bar seats 1, driving
Axis 6 is hinged on two angle bar seats 1;Moving contact 4 is fixed with drive shaft 6, the quantity of moving contact 4 is three, and moving contact 4 is angle
Type, including the first linkage section 41, the second linkage section 43 and the arc section 42 of the first linkage section 41 of connection and the second linkage section 43,
Arc section 42 is equipped with the through hole of the plane formed perpendicular to the first linkage section 41 and the second linkage section 43, and moving contact 4 passes through institute
State through hole to be fixed in drive shaft 6, in ground connection, the first linkage section 41 of moving contact 4 is connected with earthing pole 5, the second linkage section 43
It is connected with static contact 3, wherein, the first linkage section 41 of moving contact 4 and the angle of the second linkage section 42 are 90 °, and the first connection
Section and the second linkage section are symmetrical structure, and the ground connection of moving contact and static contact and earthing pole when being grounded with guarantee is good.
In the present embodiment, static contact 3 is L-type structure, including the first flanging 31 and the second flanging 33, is also set on static contact 3
Have perpendicular to the first flanging 31 and the second flanging 33, the static contact contact-segment 32 for being conductively connected with moving contact 4, static contact connects
Touch section 32 and the end of moving contact 4 matches, wherein, the first flanging 31 constitutes position limiting structure, and the first flanging 31 is used to dock
Moving contact 4 during ground switch ground connection carries out spacing, to prevent itself and 32 loose contact of static contact contact-segment, and causes conductive effect
It is bad;Second flanging 33 is equipped with static contact mounting hole, and static contact mounting hole is used to connect busbar and static contact 3, and
The contact jaw of moving contact 4 and static contact 3 is due to the connecting pin away from busbar with static contact 3, moving contact 4 and static contact 3
Contact, which is repeated several times, will not make the connection of busbar and static contact 3 produce loosening, ensure that busbar contacts well with static contact 3, so that
Make conductive effect preferable.
In the present embodiment, earthing pole 5 is T-shaped, including the 3rd flanging 52 and Fourth Fold 51, the 3rd flanging 52 be for
The earthing pole contact jaw that moving contact 4 contacts, Fourth Fold 51 are equipped with the earthing pole mounting hole for being used for being connected with cabinet, earthing pole
Mounting hole ensures the reliability that earthing pole 5 is fixed with cabinet, to ensure that the contact with moving contact 4 of earthing pole 5 is good.
In the present embodiment, each angle bar seat 1 includes two angle bar, and two angle bar is are disposed opposite to each other, between two angle bar
Be fixed with connecting lever 7 in drive shaft 6, the end on connecting lever 7 away from drive shaft 6 and away from static contact 3 is equipped with compression spring 8, compression spring 8 it is another
One end is connected with rotation axis 2, and rotation axis 2 is hinged on 1 bottom of angle bar seat, and compression spring 8 is internally provided with the guiding being oriented to compression spring 8
Bar 9;9 one end of guide rod is connected with connecting lever 7, and the other end is connected with rotation axis 2, to realize the guiding to compression spring 8.
The specific embodiment two of the switchgear of the utility model:As shown in Fig. 2, be with the difference of embodiment one,
Angle between the first linkage section 41 and the second linkage section 43 of the moving contact is more than 90 °.
The specific embodiment three of the switchgear of the utility model:As shown in figure 3, be with the difference of embodiment one,
First linkage section 41 can change length according to the position of earthing pole 5, make the first linkage section 41 and the second linkage section 43 be
Unsymmetric structure.
The specific embodiment four of the switchgear of the utility model:As shown in figure 4, be with the difference of embodiment one,
The compression spring tension spring 8 substitutes, and tension spring 8 is arranged on connecting lever 7 away from drive shaft 6 and close to the end of static contact 3.
The specific embodiment of the earthing switch of the utility model, the specific embodiment one of the earthing switch and above-mentioned switchgear
Identical in the structure of any one of earthing switch into specific embodiment four, it will not go into details.
Claims (20)
1. earthing switch, it is characterised in that:It is described dynamic including rotating the drive shaft set and fixed moving contact on the driving shaft
Contact includes two connecting pins, and two connecting pins of moving contact are matched somebody with somebody respectively is arranged with static contact and earthing pole.
2. earthing switch according to claim 1, it is characterised in that:The moving contact is angle-style, including the first linkage section
With the second linkage section, in ground connection, the end of the first linkage section of moving contact is conductively connected with earthing pole, the end of the second linkage section
Portion is conductively connected with static contact.
3. earthing switch according to claim 2, it is characterised in that:First linkage section of the moving contact and the second connection
The angle of section is 90 °.
4. earthing switch according to claim 2, it is characterised in that:First linkage section and the second linkage section are symmetrical
Structure.
5. earthing switch according to claim 1, it is characterised in that:The static contact, which is equipped with, to be used to carry out moving contact
Spacing position limiting structure.
6. earthing switch according to claim 5, it is characterised in that:The static contact is L-type structure, including the first flanging
With the second flanging, the static contact be equipped with it is perpendicular to the first flanging and the second flanging, for what is be conductively connected with moving contact
Static contact contact-segment, second flanging constitute the position limiting structure.
7. according to the earthing switch described in claim 1-6 any one, it is characterised in that:The ground connection is extremely T-shaped, including the
Three flangings and Fourth Fold, the 3rd flanging are the earthing pole contact-segment for being contacted with moving contact.
8. according to the earthing switch described in claim 1-6 any one, it is characterised in that:The earthing switch further includes symmetrically
The angle bar seat of setting, the drive shaft is between two angle bar seats and rolling assembling is on two angle bar seats.
9. earthing switch according to claim 8, it is characterised in that:Each angle bar seat includes two angles being disposed opposite to each other
Iron, is fixed with connecting lever in the drive shaft between two angle bar, is set on the connecting lever away from drive shaft and close to the end of static contact
Being equipped with the end set on tension spring, or connecting lever away from drive shaft and away from static contact has a compression spring, the tension spring or compression spring it is another
One end is connected with rotation axis, and the rotation axis is hinged on angle bar seat bottom.
10. earthing switch according to claim 9, it is characterised in that:The tension spring or compression spring are internally provided with connecting lever
The guide rod of end and rotation axis to be oriented to tension spring or compression spring.
11. switchgear, including cabinet and the earthing switch inside cabinet, it is characterised in that:The earthing switch includes
Rotating the drive shaft set and fixed moving contact on the driving shaft, the moving contact includes two connecting pins, and the two of moving contact
A connecting pin is matched somebody with somebody respectively is arranged with static contact and earthing pole.
12. switchgear according to claim 11, it is characterised in that:The moving contact is angle-style, including the first linkage section
With the second linkage section, in ground connection, the end of the first linkage section of moving contact is conductively connected with earthing pole, the end of the second linkage section
Portion is conductively connected with static contact.
13. switchgear according to claim 12, it is characterised in that:First linkage section of the moving contact and the second connection
The angle of section is 90 °.
14. switchgear according to claim 12, it is characterised in that:First linkage section and the second linkage section are symmetrical
Structure.
15. switchgear according to claim 11, it is characterised in that:The static contact, which is equipped with, to be used to carry out moving contact
Spacing position limiting structure.
16. switchgear according to claim 15, it is characterised in that:The static contact is L-type structure, including the first flanging
With the second flanging, the static contact be equipped with it is perpendicular to the first flanging and the second flanging, for what is be conductively connected with moving contact
Static contact contact-segment, first flanging are equipped with the static contact mounting hole for being used for connecting busbar, and second flanging constitutes
The position limiting structure.
17. according to the switchgear described in claim 11-16 any one, it is characterised in that:The ground connection is extremely T-shaped, including
3rd flanging and Fourth Fold, the 3rd flanging is for the earthing pole contact-segment contacted with moving contact, the Fourth Fold
Be equipped with the earthing pole mounting hole for being used for earthing pole being installed on cabinet.
18. according to the switchgear described in claim 11-16 any one, it is characterised in that:The earthing switch further includes pair
Claim the angle bar seat set, the drive shaft is between two angle bar seats and rolling assembling is on two angle bar seats.
19. switchgear according to claim 18, it is characterised in that:Each angle bar seat includes two angles being disposed opposite to each other
Iron, is fixed with connecting lever in the drive shaft between two angle bar, is set on the connecting lever away from drive shaft and close to the end of static contact
Being equipped with the end set on tension spring, or connecting lever away from drive shaft and away from static contact has a compression spring, the tension spring or compression spring it is another
One end is connected with rotation axis, and the rotation axis is hinged on angle bar seat bottom.
20. switchgear according to claim 19, it is characterised in that:The tension spring or compression spring are internally provided with connecting lever end
The guide rod of portion and rotation axis to be oriented to tension spring or compression spring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721142303.2U CN207264963U (en) | 2017-09-07 | 2017-09-07 | Earthing switch and the switchgear using the earthing switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721142303.2U CN207264963U (en) | 2017-09-07 | 2017-09-07 | Earthing switch and the switchgear using the earthing switch |
Publications (1)
Publication Number | Publication Date |
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CN207264963U true CN207264963U (en) | 2018-04-20 |
Family
ID=61920223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721142303.2U Expired - Fee Related CN207264963U (en) | 2017-09-07 | 2017-09-07 | Earthing switch and the switchgear using the earthing switch |
Country Status (1)
Country | Link |
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CN (1) | CN207264963U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112185745A (en) * | 2019-07-04 | 2021-01-05 | 施耐德电器工业公司 | Grounding switch for switch cabinet and switch cabinet |
-
2017
- 2017-09-07 CN CN201721142303.2U patent/CN207264963U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112185745A (en) * | 2019-07-04 | 2021-01-05 | 施耐德电器工业公司 | Grounding switch for switch cabinet and switch cabinet |
CN112185745B (en) * | 2019-07-04 | 2023-07-07 | 施耐德电器工业公司 | Grounding switch for switch cabinet and switch cabinet |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180420 Termination date: 20190907 |