CN202816624U - Screw contact type voltage regulator - Google Patents
Screw contact type voltage regulator Download PDFInfo
- Publication number
- CN202816624U CN202816624U CN 201220508014 CN201220508014U CN202816624U CN 202816624 U CN202816624 U CN 202816624U CN 201220508014 CN201220508014 CN 201220508014 CN 201220508014 U CN201220508014 U CN 201220508014U CN 202816624 U CN202816624 U CN 202816624U
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- CN
- China
- Prior art keywords
- screw
- fluted disc
- voltage transformer
- coil
- variable
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a screw contact type voltage regulator which aims to supply the screw contact type voltage regulator. In order to solve the problem, the technical scheme includes that the screw contact type voltage regulator comprises an iron core, a screw type coil, an electric brush assembly, an induced current electric reactor and a transmission mechanism. The screw contact type voltage regulator is characterized in that the transmission mechanism comprises a fluted disc, a straight toothed bar and a slide block. The fluted disc is arranged on the screw type coil in a penetrating mode, an inner ring of the fluted disc is provided with inner threads which accord with the screw type coil, and an outer ring of the fluted disc is provided with a toothed mouth which is meshed with the straight toothed bar. The slide block is matched with a slide bar in a sliding mode, and is provided with an opening end, and the fluted disc extends into the opening end. The electric reactor is installed on the fluted disc. The metallic electric brush assembly comprises an inner metallic electric brush and an outer metallic electric brush, wherein the inner metallic electric brush is installed on the fluted disc, one end of the inner metallic electric brush is connected with the electric reactor through an electric wire, and the other end of the inner metallic electric brush is in contact with spirals of the screw type coil through a contactor. The outer metallic electric brush is installed on the slide block, one end of the outer metallic electric brush is connected with a slip ring on the electric reactor through the contactor, and the other end of the outer metallic electric brush is provided with a guide line which is used as a leading wire of a power supply.
Description
Technical field
The utility model relates to a kind of voltage regulator, especially a kind of screw variable-voltage transformer.
Background technology
Post contact voltage regulator, pressurizer adopt pillar silicon steel sheet core and enamelled wire and pressure regulation carbon brush to form, and the voltage regulating mode of its brush is that straight line moves up and down, and brush material is made by electrical carbon.The electrical carbon brush be contact on the surface of polishing coil, pressure regulation process center brush can short circuit two circle coils because there is larger resistance in electrical carbon, electric current by the time can cause the very high temperature rise of electrical carbon generation itself, in use often can burn out voltage regulation coil.In addition, making power also is restricted because there is larger resistance in electrical carbon.These are exactly the disadvantage of present post contact voltage regulator, pressurizer.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of screw variable-voltage transformer.
For addressing the above problem, the technical solution adopted in the utility model comprises iron core, the screw coil, brush assembly of electric, induced current reactor and transmission mechanism, it is characterized in that: described transmission mechanism comprises fluted disc, the straight-tooth bar, slide block, slide bar, described fluted disc is located on the screw coil, its inner ring is provided with the internal thread that matches with the screw coil, the outer ring is provided with the tooth mouth that is meshed with the straight-tooth bar, described slide block and slide bar are slidingly matched, and has an openend, described fluted disc stretches in the openend, described reactor is installed on the fluted disc, described metallic brush assembly comprises interior metallic brush and outer metallic brush, described interior metallic brush is installed on the fluted disc, the one end is connected with reactor by electric wire, and the other end contacts by the helical of contact with the screw coil, and described outer metallic brush is installed on the slide block, the one end contacts with slip ring on the reactor by contact, and the other end arranges wire as the lead-in wire of power supply.
Described a kind of screw variable-voltage transformer is characterized in that: described screw variable-voltage transformer is the double-screw type variable-voltage transformer.
Described a kind of screw variable-voltage transformer, it is characterized in that: the upper and lower side of described iron core arranges support, and described straight-tooth bar, slide bar install and fix by support.
Described a kind of screw variable-voltage transformer, it is characterized in that: described screw coil comprises insulated tube, copper cash, and described insulated tube outer wall arranges the screw thread location notch, and described copper cash is along the screw thread location notch around the insulated tube outer wall, through the glue sealing, become the screw shaped coil through machined into again.
Described a kind of screw variable-voltage transformer is characterized in that: described glue is epoxy resin.
Described a kind of screw variable-voltage transformer is characterized in that: described insulated tube is epoxy tube
The following advantage of screw variable-voltage transformer tool of the present utility model:
1. brush can directly be made of the good metal material of electric conductivity.
2. the metallic brush contact is on the single helical of voltage regulation coil, and metallic brush contacts all the time at a circle coil during pressure regulation, can not produce short circuit.
3. the voltage regulating mode of metallic brush is that spiral moves up and down.
4. the electric current of metallic brush carrying is very large, and temperature rise is very low, can make the voltage regulator of super high power.
Screw coil of the present utility model has following advantage:
1. when making screw thread, on epoxy insulation pipe outer wall, become the screw thread location notch with machined into first, can accurately allow copper cash move towards coiling along its shape of threads.
2. the copper cash in the screw thread location notch is honored as a queen through Epoxy Resin and is become helical coil again after the lathe secondary operations, and the helical size is even, and the position is accurate, can effectively guarantee the contact area of brush on copper cash.
3. can short circuit when metallic graphite brush contacts with helical coil.
4. loop construction is very sturdy and durable, and processing technology is simple, and processing cost is low.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of fluted disc;
Fig. 3 is the structural representation of slide block;
Fig. 4 is the structural representation of interior metallic brush;
Fig. 5 is the structural representation of insulated tube;
Fig. 6 is the structural representation of copper cash.
Embodiment
As shown in Figures 1 to 4, screw variable-voltage transformer of the present utility model, comprise iron core 1, screw coil 2, brush assembly of electric, induced current reactor 3 and transmission mechanism, described screw coil 2 is comprised of insulated tube and the shape of threads line group outside insulated tube, described transmission mechanism comprises fluted disc 4, straight-tooth bar 5, slide block 6, slide bar 7, described fluted disc 4 is made by insulating material, it is located on the screw coil 2, its inner ring is provided with the internal thread 8 that matches with screw coil 2, the outer ring is provided with the tooth mouth 9 that is meshed with straight-tooth bar 5, described slide block 6 is located on two slide bars 7, be slidingly matched with it, slide block 6 has openend 10, described fluted disc 4 stretches in the openend 10, described induced current reactor 3 is fixed on the fluted disc 4, described metallic brush assembly comprises interior metallic brush 11 and outer metallic brush 12, described interior metallic brush 11 is installed on the fluted disc 4, the one end is electrically connected with induced current reactor 3 by electric wire 13, the other end contacts with the helical of screw coil 2 by interior metallic brush contact 14-1, described outer metallic brush 12 is installed on the slide block 6, the one end contacts with slip ring 15 on the induced current reactor 3 by outer metallic brush contact 14-2, and the other end arranges wire 16 as the lead-in wire of power supply.
Screw variable-voltage transformer of the present utility model is the double-screw type variable-voltage transformer.The upper and lower side of described iron core 1 arranges support 17, between iron core 1 and the support 17 insulation board is set, and described straight-tooth bar 5, slide bar 7 install and fix by support 17.
Shown in Fig. 5 to 6, screw coil 2 of the present utility model comprises by insulated tube 18, copper cash 19, described insulated tube 18 is epoxy tube, its outer wall becomes screw thread location notch 20 with machined into, described copper cash 19 is 18 outer walls along screw thread location notch 20 around insulated tube, after the epoxy resin sealing, become again the screw shaped coil of standard through machined into.Described machined into screw thread technology is prior art, is not described in detail at this.
Structure of the present utility model can also be applied to also can reach same beneficial effect on the pressurizer.
The pressure regulation process: by the rotation of motor drives straight-tooth bar, the transmission fluted disc moves up and down at the screw coil.Simultaneously, fluted disc band movable slider moves up and down at slide bar.Under the drive of transmission mechanism, mounted thereto interior metallic brush, outer metallic brush and induced current reactor also move up and down thereupon, thereby realize the purpose of regulation voltage.
The above only is preferred embodiment of the present utility model, not in order to limiting the utility model, all any modifications of doing within spirit of the present utility model and principle, is equal to and replaces and improvement etc., all is included within the protection range of the present utility model.
Claims (6)
1. screw variable-voltage transformer, comprise iron core (1), screw coil (2), brush assembly of electric, induced current reactor (3) and transmission mechanism, it is characterized in that: described transmission mechanism comprises fluted disc (4), straight-tooth bar (5), slide block (6), slide bar (7), described fluted disc (4) is located on the screw coil (2), its inner ring is provided with the internal thread (8) that matches with screw coil (2), the outer ring is provided with the tooth mouth (9) that is meshed with straight-tooth bar (5), described slide block (6) is slidingly matched with slide bar (7), and has an openend (10), described fluted disc (4) stretches in the openend (10), described induced current reactor (3) is installed on the fluted disc (4), described brush assembly of electric comprises interior metallic brush (11) and outer metallic brush (12), described interior metallic brush (11) is installed on the fluted disc (4), the one end is connected with induced current reactor (3) by electric wire (13), the other end contacts with the helical of screw coil (2) by interior metallic brush contact (14-1), described outer metallic brush (12) is installed on the slide block (6), the one end contacts with slip ring (15) on the induced current reactor (3) by outer metallic brush contact (14-2), and the other end arranges wire (16) as the lead-in wire of power supply.
2. described a kind of screw variable-voltage transformer according to claim 1, it is characterized in that: described screw variable-voltage transformer is the double-screw type variable-voltage transformer.
3. according to claim 1 described a kind of screw variable-voltage transformer, pressurizer, it is characterized in that: the upper and lower side of described iron core (1) arranges support (17), and described straight-tooth bar (5), slide bar (7) install and fix by support (17).
4. described a kind of screw variable-voltage transformer according to claim 1, it is characterized in that: described screw coil (2) comprises insulated tube (18), copper cash (19), described insulated tube (18) outer wall arranges screw thread location notch (20), described copper cash (19) is along screw thread location notch (20) around insulated tube (18) outer wall, through the glue sealing, become the screw shaped coil through machined into again.
5. described a kind of screw variable-voltage transformer according to claim 4, it is characterized in that: described glue is epoxy resin.
6. described a kind of screw variable-voltage transformer according to claim 4, it is characterized in that: described insulated tube (18) is epoxy tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220508014 CN202816624U (en) | 2012-09-27 | 2012-09-27 | Screw contact type voltage regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220508014 CN202816624U (en) | 2012-09-27 | 2012-09-27 | Screw contact type voltage regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202816624U true CN202816624U (en) | 2013-03-20 |
Family
ID=47875469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220508014 Withdrawn - After Issue CN202816624U (en) | 2012-09-27 | 2012-09-27 | Screw contact type voltage regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202816624U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856060A (en) * | 2012-09-27 | 2013-01-02 | 乐清市乐翔电气有限公司 | Screw type variable-voltage transformer |
| TWI504099B (en) * | 2013-09-12 | 2015-10-11 |
-
2012
- 2012-09-27 CN CN 201220508014 patent/CN202816624U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856060A (en) * | 2012-09-27 | 2013-01-02 | 乐清市乐翔电气有限公司 | Screw type variable-voltage transformer |
| CN102856060B (en) * | 2012-09-27 | 2015-04-29 | 乐清市乐翔电气有限公司 | Screw type variable-voltage transformer |
| TWI504099B (en) * | 2013-09-12 | 2015-10-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130320 Effective date of abandoning: 20150429 |