CN208240481U - A kind of adjustable transformer of transformation ratio - Google Patents
A kind of adjustable transformer of transformation ratio Download PDFInfo
- Publication number
- CN208240481U CN208240481U CN201820497985.7U CN201820497985U CN208240481U CN 208240481 U CN208240481 U CN 208240481U CN 201820497985 U CN201820497985 U CN 201820497985U CN 208240481 U CN208240481 U CN 208240481U
- Authority
- CN
- China
- Prior art keywords
- winding
- insulating cylinder
- conductive terminal
- arresting disk
- transformation ratio
- 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
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Abstract
The utility model provides a kind of adjustable transformer of transformation ratio, belongs to technical field of electric equipment.This transformer includes winding, iron core and the insulating cylinder between winding and iron core, iron core is plugged in insulating cylinder, winding is wound around outside insulating cylinder, there is a position-arresting disk on insulating cylinder, there is the contact disc being rotatably connected on insulating cylinder above position-arresting disk, there is a conductive terminal on contact disc, the anode of power supply where conductive terminal connects winding, with several contact chips that can be connected with conductive terminal on position-arresting disk, the position between contact chip and the one of endpoint of the copper wire on winding or two endpoints is electrically connected；Another endpoint of copper wire is connected with the cathode of power supply where winding on winding.The utility model has many advantages, such as that transformation ratio can be adjusted.
Description
Technical field
The utility model belongs to technical field of electric equipment, is related to a kind of adjustable transformer of transformation ratio.
Background technique
For distribution transformer, according to the needs of power supply unit, the requirement of voltage often changes, and needs to lead to
Transformer is crossed to be adjusted.
Utility model content
The purpose of this utility model is aiming at the above problems existing in the prior art, to provide a kind of adjustable change of transformation ratio
Depressor, technical problem to be solved in the utility model are how to realize the adjusting of transformation ratio.
The purpose of this utility model can be realized by the following technical scheme: a kind of adjustable transformer of transformation ratio, special
Sign is that this transformer includes winding, iron core and the insulating cylinder between winding and iron core, and the iron core is plugged in insulating cylinder
Interior, the winding is wound around outside insulating cylinder, has a position-arresting disk on the insulating cylinder, above the position-arresting disk there is rotation to connect
The contact disc on insulating cylinder is connect, there is a conductive terminal, power supply where the conductive terminal connection winding on the contact disc
Anode, the copper with several contact chips that can be connected with conductive terminal on the position-arresting disk, on the contact chip and winding
Position electrical connection between the one of endpoint of line or two endpoints；Another endpoint of copper wire and winding place electricity on the winding
The cathode in source is connected.
It can according to need and connect branch line at the corresponding copper wire position of each the number of turns in the windings, branch line connects winding copper wire and connects
Contact can according to need selection contact disc, so that conductive terminal is connected with a certain contact chip, make the energization accessed in transformer
The number of turns of coil changes, to realize the adjusting of the transformation ratio of transformer.
The contact chip for connecting winding copper wire end is the corresponding transformation ratio of maximum energization the number of turns, and the branch line of other positions is corresponding
Contact chip be corresponding transformation ratio when energization the number of turns is relatively small.
Insulating cylinder is made of resin material, has high temperature resistant, insulation effect.
Have in a kind of above-mentioned adjustable transformer of transformation ratio, on the outer wall of the insulating cylinder a pair of with contact chip one
The support column answered, the support column support column vertical with insulating cylinder, this transformer include pass sequentially through support column, insulating cylinder and
The threading hole of position-arresting disk.
The branch line for connecting copper wire in order to prevent loosens, so that the stability and firmness of contact position are influenced, exhausted
The support column being fixedly installed on edge cylinder opens up threading hole, which penetrates through insulating cylinder and position-arresting disk, makes the connection of branch line more
It is convenient, and stablize, securely.
In a kind of above-mentioned adjustable transformer of transformation ratio, the guide groove of an annular is offered on the position-arresting disk, it is described
Contact chip includes two reeds being located on guide groove two sidewalls, and the conductive terminal is cylindrical structure, the conductive terminal
It is plugged in guide groove.
Guide groove limits conductive terminal, improves reliability, and reed is the laminated structure in M shape, and both ends are guiding
Portion, centre are positioning region, when so that conductive terminal is smoothly entered positioning region, and being in positioning region, it is not easy to loosen.
Detailed description of the invention
Fig. 1 is the sectional view of insulating cylinder in this transformer.
Fig. 2 is the sectional view in Fig. 1 on the direction A.
In figure, 1, insulating cylinder；21, position-arresting disk；22, contact disc；23, conductive terminal；24, contact chip；25, support column；26,
Threading hole；27, guide groove.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As depicted in figs. 1 and 2, this transformer includes winding, iron core and the insulating cylinder 1 between winding and iron core, iron
Core is plugged in insulating cylinder 1, and winding is wound around outside insulating cylinder 1, has a position-arresting disk 21,21 top of position-arresting disk on insulating cylinder 1
With the contact disc 22 being rotatably connected on insulating cylinder 1, there is a conductive terminal 23 on contact disc 22, the connection of conductive terminal 23 around
The anode of power supply where group, with several contact chips 24 that can be connected with conductive terminal 23 on position-arresting disk 21, contact chip 24 with
Position electrical connection between the one of endpoint of copper wire or two endpoints on winding；Another endpoint and winding of copper wire on winding
The cathode of place power supply is connected.
It can according to need and connect branch line at the corresponding copper wire position of each the number of turns in the windings, branch line connects winding copper wire and connects
Contact 24 can according to need selection contact disc 22, so that conductive terminal 23 and a certain contact chip 24 are connected, make to access transformer
In the number of turns of hot-wire coil change, to realize the adjusting of the transformation ratio of transformer.
The contact chip 24 for connecting winding copper wire end is the corresponding transformation ratio of maximum energization the number of turns, the branch line pair of other positions
The contact chip 24 answered is corresponding transformation ratio when energization the number of turns is relatively small.
Insulating cylinder 1 is made of resin material, has high temperature resistant, insulation effect.
Have on the outer wall of insulating cylinder 1 with the one-to-one support column 25 of contact chip 24, support column 25 is vertical with insulating cylinder 1
Support column 25, this transformer includes the threading hole 26 for passing sequentially through support column 25, insulating cylinder 1 and position-arresting disk 21；In order to prevent
The branch line of connection copper wire loosens, to influence the stability and firmness of contact position, is fixedly installed on insulating cylinder 1
Support column 25 opens up threading hole 26, which penetrates through insulating cylinder 1 and position-arresting disk 21, keeps the connection of branch line more convenient, and
Stablize, securely.
As shown in Fig. 2, offering the guide groove 27 of an annular on position-arresting disk 21, contact chip 24 includes two and is located at guide groove
Reed on 27 two sidewalls, conductive terminal 23 are cylindrical structure, and conductive terminal 23 is plugged in guide groove 27；Guide groove 27 is to conducting end
Son 23 is limited, and reliability is improved, and reed is the laminated structure in M shape, and both ends are guide part, and centre is positioning region, is made
Conductive terminal 23 can smoothly enter positioning region, and when being in positioning region, it is not easy to loosen.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (3)
1. a kind of adjustable transformer of transformation ratio, which is characterized in that this transformer include winding, iron core and be located at winding and iron core
Between insulating cylinder (1), the iron core is plugged in insulating cylinder (1), and the winding is wound around insulating cylinder (1) outside, the insulation
Have a position-arresting disk (21) on cylinder (1), there is the contact disc being rotatably connected on insulating cylinder (1) above the position-arresting disk (21)
(22), there are a conductive terminal (23) on the contact disc (22), power supply where conductive terminal (23) the connection winding is just
Pole, with several contact chips (24) that can be connected with conductive terminal (23), the contact chip (24) on the position-arresting disk (21)
Position between the one of endpoint of the copper wire on winding or two endpoints is electrically connected；Another endpoint of copper wire on the winding
It is connected with the cathode of power supply where winding.
2. the adjustable transformer of a kind of transformation ratio according to claim 1, which is characterized in that the outer wall of the insulating cylinder (1)
It is upper to have and the one-to-one support column (25) of contact chip (24), the support column (25) support column vertical with insulating cylinder (1)
(25), this transformer includes the threading hole (26) for passing sequentially through support column (25), insulating cylinder (1) and position-arresting disk (21).
3. the adjustable transformer of a kind of transformation ratio according to claim 1 or claim 2, which is characterized in that on the position-arresting disk (21)
The guide groove (27) of an annular is offered, the contact chip (24) includes two reeds being located on guide groove (27) two sidewalls,
The conductive terminal (23) is cylindrical structure, and the conductive terminal (23) is plugged in guide groove (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820497985.7U CN208240481U (en) | 2018-04-08 | 2018-04-08 | A kind of adjustable transformer of transformation ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820497985.7U CN208240481U (en) | 2018-04-08 | 2018-04-08 | A kind of adjustable transformer of transformation ratio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208240481U true CN208240481U (en) | 2018-12-14 |
Family
ID=64587450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820497985.7U Expired - Fee Related CN208240481U (en) | 2018-04-08 | 2018-04-08 | A kind of adjustable transformer of transformation ratio |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208240481U (en) |
-
2018
- 2018-04-08 CN CN201820497985.7U patent/CN208240481U/en not_active Expired - Fee Related
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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: 20181214 Termination date: 20200408 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |