CN207441548U - It can phase changing type three-phase knife-like switch - Google Patents
It can phase changing type three-phase knife-like switch Download PDFInfo
- Publication number
- CN207441548U CN207441548U CN201721689517.1U CN201721689517U CN207441548U CN 207441548 U CN207441548 U CN 207441548U CN 201721689517 U CN201721689517 U CN 201721689517U CN 207441548 U CN207441548 U CN 207441548U
- Authority
- CN
- China
- Prior art keywords
- binding post
- disconnecting link
- insulator foot
- phase
- row
- 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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Abstract
It can phase changing type three-phase knife-like switch the utility model is related to one kind, belong to technical field of electric equipment, including insulator foot and disconnecting link, the both sides of disconnecting link along insulator foot length direction are respectively arranged with 6 disconnecting link intermediate plates, the bottom of each disconnecting link intermediate plate is fixed with binding post, often row's first binding post of binding post is connected with the 3rd binding post, right second binding post of row's binding post is connected with the 4th binding post, second binding post of left bank binding post is connected with intermediate the 4th binding post of row's binding post, the 4th binding post of left bank binding post is connected with intermediate second binding post of row's binding post, it often arranges first binding post of binding post and the 4th binding post is respectively connected with wire connection terminal, wire connection terminal is mounted on the upper and lower ends of insulator foot.The utility model has the advantages of simple structure and easy realization, and failure rate is low in use.Wiring is simple, especially suitable for the motor forward/backward rotation control circuit that in temporary electricity, tradition can be replaced complicated.
Description
Technical field
The utility model belongs to technical field of electric equipment, and in particular to one kind can phase changing type three-phase knife-like switch.
Background technology
The rotating control of traditional threephase motor is by changing the phase sequence of three-phase electricity come what is realized, is by two
Contactor and corresponding control circuit complete commutation process.Traditional commutation wiring is complicated, high failure rate, particularly one
A little temporary electricity occasions, it is inconvenient to use.
Utility model content
The purpose of this utility model be to provide one kind can phase changing type three-phase knife-like switch, the commutation to solve current switch connects
Line is complicated, high failure rate, particularly in some temporary electricity occasions, inconvenient problem with use.
The utility model can phase changing type three-phase knife-like switch, including insulator foot and disconnecting link, disconnecting link bottom is hinged with fixinig plate,
Fixinig plate is fixed at insulator foot crown center, is provided with insulated handle at the top of disconnecting link, and disconnecting link is along insulator foot length direction
Both sides be respectively arranged with 6 disconnecting link intermediate plates, the bottom of each disconnecting link intermediate plate is fixed with binding post, and whole disconnecting link intermediate plates is along absolutely
Four disconnecting link intermediate plates are often arranged in edge base width direction point three rows arrangement, and whole binding posts is also along insulator foot width point
Three rows arrange, and often arranging binding post, first binding post of number is connected by conducting wire with the 3rd binding post from the top down, right row's wiring
Second binding post of number is connected column with the 4th binding post by conducting wire from top to bottom, left bank binding post number second from top to bottom
The 4th binding post of number is connected binding post with conducting wire from top to bottom with intermediate row's binding post, left bank binding post number the from top to bottom
Second binding post of number is connected four binding posts with conducting wire from top to bottom with intermediate row's binding post, often arranges binding post from top to bottom
First binding post of number and the 4th binding post are connected with wire connection terminal by conducting wire and line pressing bolt, and wire connection terminal is mounted on
The upper and lower ends of insulator foot, three wire connection terminals connection motor of insulator foot one end, three wire connection terminals of the other end
Connect power supply.
Insulating cement wooden cover is additionally provided with above the pedestal, insulating cement wooden cover is mounted on the disconnecting link intermediate plate of disconnecting link both sides
Side.It can be protected, prevent from getting an electric shock.
Cavity is provided in the insulator foot, binding post lower end is reached in cavity, disconnecting link intermediate plate bottom and insulator foot
Fixed, cavity lower end is provided with opening, and concave station is provided on the insulator foot of open outer side, is installed in concave station by fixing screws
There is insulator seal closing plate.Each binding post of connection that can be more convenient, and facilitate repair.
Reversing principle：Three wire connection terminals connection motor of insulator foot one end, three wire connection terminals of the other end connect
Connect power supply；When disconnecting link is thrown to upper and lower different directions, since the effect of the commutation circuit of chopper switch insulator foot insertion can
So that motor side electric current phase sequence can change, so as to which motor can realize rotating.
Compared with prior art, the utility model has the advantage of：
(1), have the advantages of simple structure and easy realization, failure rate is low in use.
(2), wiring is simple, especially suitable for the motor forward/backward rotation control that tradition in temporary electricity, can be replaced complicated
Circuit.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the commutation circuit connection diagram of the utility model；
Fig. 3 is the insulator foot overlooking the structure diagram of the utility model；
In figure：1st, wire connection terminal, 2, disconnecting link intermediate plate, 3, insulator foot, 4, disconnecting link, 5, insulated handle, 6, line pressing bolt, 7,
Insulating cement wooden cover, 8, binding post, 9, insulator seal closing plate, 10, opening, 11, concave station, 12, fixing screws, 13, fixinig plate.
Specific embodiment
Below against attached drawing, specific embodiment of the present utility model is described in further detail.
As Fig. 1 to it is shown in Fig. 3 can phase changing type three-phase knife-like switch, including insulator foot 3 and disconnecting link 4,4 bottom of disconnecting link is hinged
There is fixinig plate 13, fixinig plate 13 is fixed at 3 crown center of insulator foot, and 4 top of disconnecting link is provided with insulated handle 5, disconnecting link 4
6 disconnecting link intermediate plates 2 are respectively arranged with along the both sides of 3 length direction of insulator foot, the bottom of each disconnecting link intermediate plate 2 is fixed with wiring
Column 8, whole disconnecting link intermediate plates 2 are arranged along insulator foot 3 width point, three rows, often arrange four disconnecting link intermediate plates 2, whole wiring
Column 8 is also along insulator foot 3 width point, three rows arrangement, and often arranging binding post 8, first binding post 8 of number passes through conducting wire from the top down
Be connected with the 3rd binding post 8, right row's binding post 8 from top to bottom second binding post 8 of number with the 4th binding post 8 by leading
Line connects, and number the 4th connects second binding post 8 of number left bank binding post 8 from top to bottom with intermediate row's binding post 8 from top to bottom
Terminal 8 is connected with conducting wire, and the 4th binding post 8 of number counts left bank binding post 8 from top to bottom with intermediate row's binding post 8 from top to bottom
Second binding post 8 is connected with conducting wire, and often arranging binding post 8, first binding post 8 of number and the 4th binding post 8 are logical from top to bottom
It crosses conducting wire and line pressing bolt 6 is connected with wire connection terminal 1, wire connection terminal 1 is mounted on the upper and lower ends of insulator foot 3.
Insulating cement wooden cover 7 is additionally provided with above the pedestal, insulating cement wooden cover 7 is mounted on the disconnecting link intermediate plate 2 of 4 both sides of disconnecting link
Top.
Cavity is provided in the insulator foot 3,8 lower end of binding post is reached in cavity, 2 bottom of disconnecting link intermediate plate and insulation bottom
Seat 3 is fixed, and cavity lower end is provided with opening 10, and concave station 11 is provided on the insulator foot 3 in 10 outside of opening, is led in concave station 11
It crosses fixing screws 12 and insulator seal closing plate 9 is installed.
Reversing principle：Three wire connection terminals 1 connection motor of 3 one end of insulator foot, three wire connection terminals 1 of the other end
Connect power supply；When disconnecting link 4 is thrown to upper and lower different directions, since the effect of the commutation circuit of the insertion of insulator foot 3 may be such that
Motor side electric current phase sequence can change, so as to which motor can realize rotating.
In conclusion the utility model has the advantages of simple structure and easy realization, failure rate is low in use；Wiring is simple, particularly suitable
In temporary electricity, the motor forward/backward rotation control circuit of tradition complexity can be replaced.
In the description of the utility model, term " interior ", " outer ", " longitudinal direction ", " transverse direction ", " on ", " under ", " top ", " bottom "
It is based on orientation shown in the drawings or position relationship to wait the orientation of instructions or position relationship, is for only for ease of and describes this practicality newly
Type rather than require the utility model must be with specific azimuth configuration and operation, therefore it is not intended that the utility model
Limitation.
Claims (3)
1. one kind can phase changing type three-phase knife-like switch, including insulator foot (3) and disconnecting link (4), disconnecting link (4) bottom is hinged with fixinig plate
(13), fixinig plate (13) is fixed at insulator foot (3) crown center, and insulated handle (5) is provided at the top of disconnecting link (4), special
Sign is：The both sides of disconnecting link (4) along insulator foot (3) length direction are respectively arranged with 6 disconnecting link intermediate plates (2), each disconnecting link folder
The bottom of piece (2) is fixed with binding post (8), and whole disconnecting link intermediate plates (2) is arranged along three rows of insulator foot (3) width point,
Four disconnecting link intermediate plates (2) are often arranged, whole binding post (8) also along insulator foot (3) width point three rows arrangement, often arranges wiring
First binding post (8) of number is connected column (8) by conducting wire with the 3rd binding post (8) from the top down, and right row's binding post (8) is from upper
Second binding post (8) of number is connected with the 4th binding post (8) by conducting wire down, left bank binding post (8) number from top to bottom
The 4th binding post (8) of number is connected two binding posts (8) with conducting wire from top to bottom with intermediate row's binding post (8), left bank wiring
Column (8) from top to bottom use the 4th binding post (8) of number from top to bottom with intermediate row's binding post (8) by second binding post (8) of number
Conducting wire connects, often arrange binding post (8) from top to bottom first binding post (8) of number and the 4th binding post (8) by conducting wire with
Line pressing bolt (6) is connected with wire connection terminal (1), and wire connection terminal (1) is mounted on the upper and lower ends of insulator foot (3).
2. according to claim 1 can phase changing type three-phase knife-like switch, it is characterised in that：It is additionally provided with above the pedestal absolutely
Edge Bakelite Cover (7), insulating cement wooden cover (7) are mounted on above the disconnecting link intermediate plate (2) of disconnecting link (4) both sides.
3. according to claim 1 or 2 can phase changing type three-phase knife-like switch, it is characterised in that：It is set in the insulator foot (3)
Cavity is equipped with, binding post (8) lower end is reached in cavity, and disconnecting link intermediate plate (2) bottom is fixed with insulator foot (3), and cavity lower end is set
It is equipped with opening (10), concave station (11) is provided on the insulator foot (3) on the outside of opening (10), passes through fixing screws in concave station (11)
(12) insulator seal closing plate (9) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721689517.1U CN207441548U (en) | 2017-12-07 | 2017-12-07 | It can phase changing type three-phase knife-like switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721689517.1U CN207441548U (en) | 2017-12-07 | 2017-12-07 | It can phase changing type three-phase knife-like switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207441548U true CN207441548U (en) | 2018-06-01 |
Family
ID=62285868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721689517.1U Expired - Fee Related CN207441548U (en) | 2017-12-07 | 2017-12-07 | It can phase changing type three-phase knife-like switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207441548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270315A (en) * | 2018-10-31 | 2019-01-25 | 国网四川省电力公司广元供电公司 | Two-phase inlet-outlet line polarity does not have a power failure commutation circuit |
-
2017
- 2017-12-07 CN CN201721689517.1U patent/CN207441548U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270315A (en) * | 2018-10-31 | 2019-01-25 | 国网四川省电力公司广元供电公司 | Two-phase inlet-outlet line polarity does not have a power failure commutation circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20181207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |