CN2236191Y

CN2236191Y - Voltage regulator and stabilizer contacted with pistioner and variable brush-frame

Info

Publication number: CN2236191Y
Application number: CN 95205884
Authority: CN
Inventors: 张荣民; 张伟
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-03-22
Filing date: 1995-03-22
Publication date: 1996-09-25
Anticipated expiration: 2005-03-22

Abstract

The utility model relates to a voltage regulator and a stabilizer contacted with a positioner and a variable brush-frame. A metal heat dissipation insulating layer which is treated by insulating is installed outside an iron core on the foundation of the structure of prime voltage regulator, and a coil is winded on the metal heat dissipation insulating layer. An electrical brush is disparted into two kinds, a pure metal electrical brush and an electrographite brush. A position device uses a tooth form rolling wheel elastic head of the eccentric force to match with a position disc with a groove, making the position of the electrical brush exact. The size and the length of the variable brush-frame can be exchanged in matched. A pressure spring is replaced by a magnet. The design has the advantages of exact position, no no-load loss variation, no local pyrexia, no energy consumption of the electrical brush, notable energy saving, high efficiency, no stage, continuous and variable output voltage, high universality and long life.

Description

Variable brush holder variable-voltage transformer of locator and pressurizer are arranged

The utility model relates to a kind of pillar variable-voltage transformer, annular variable-voltage transformer, annular contact automatic voltage regulator contacts automatic voltage regulator and pressurizer with pressurizer, pillar, particularly about a kind of variable brush holder variable-voltage transformer of locator and pressurizer is arranged.

Existing variable-voltage transformer, TDGC2, TDGC2J series voltage regulation device as the unified design in the whole nation, TSGC2, JSGC2J series voltage regulation device, TNDGC, TNSGC series automatic voltage regulator, TEDGZ, TESGZ series pillar voltage regulator, TNDGZ, TNSDGZ series pillar automatic voltage regulator, TW series automatic voltage regulator etc., pressure regulation is to contact the output that the change in location that slides realizes regulating different voltages by brush on the coil flour milling.The voltage regulator of this structure has following defective: 1. in order not make down circuitry in adjusting, so brush necessary short circuit 2～3 circle coils when operation produce the no-load loss variation and make local lead Fa Gaore, thereby voltage regulator is very easily burnt, electric energy loss is big; 2. because brush itself is that the bigger electric heating element of resistance contact with flour milling, thus resistance greatly, the height that generates heat, pressure drop be big, easy burn-out more; 3. poor with versatility in a series of.

The purpose of this utility model is to overcome the defective of prior art and provides a kind of brush that the location is arranged, brush carrier size length is variable, the lead total length is short, no no-load loss variation, and brush is lossless, no local pyrexia, good heat dissipation, no-load loss is little, and load loss is little, long service life, highly versatile simple in structure a kind of has variable brush holder variable-voltage transformer of locator and pressurizer.

The utility model is achieved by the following scheme: fix an iron core between shell and support and the gland, iron core is lined with the radiating insulating layer of the metal of crossing through insulation processing (or spline), coiling again, walk brush on the coil flour milling, brush divides operation simple metal brush and conversion electrographite brush, brush also can be made into slip for rolling, brush is contained in the brush carrier of fixing with axis, positioning head is housed in the brush carrier simultaneously, positioning head and positioning disk cooperate forms accurate locator, positioning disk is fixed on gland and the base, one end of axis is equipped with the handwheel (automatic voltage regulator of band pointer, electric voltage regulator is to connect with motor by gear), terminal block and control section are fixed on shell one side, its practical novel place is the radiating insulating layer that described iron core is lined with the metal of crossing through insulation processing (or spline) outward, and coil is around thereon; Described coil is the coiling of multiple layer; Described brush is a roller brushes, and at least two, one is the simple metal operation brush of non-resistance, one to two is the electrographite conversion brush of big resistance; Described locator is cooperated by the positioning disk of the positioning head of jugged rolling wheel and band groove and forms, described brush carrier be by be fixed on fixed head in the rotating shaft and big or small length by all size can supporting transposing the brush carrier body and be fixed on brush carrier brush carrier head and pressing plate on one's body.Described positioning head, the stage clip in the brush head utilizes the magnet principle of same-sex repulsion with the replacement of magnet.

Advantage of the present utility model: be that 1. it is little to generate heat because the resistance of conversion brush greater than the resistance of operation brush, makes most electric currents by the operation brush, and then brush loss reduces greatly.2. use jugged rolling wheel positioning head and positioning disk structure, no matter which kind of position it is rolled into when brush is rolled on flour milling, that is to say that the operation brush is on the flour milling lead or on the insulation gap between the lead, operation brush and conversion brush all ride on the same lead, or the operation brush rides on first lead, the conversion brush rides over first and rides over simultaneously on second lead or the like, can both make that electric current flows through brush, and the operation brush can only be ridden on the lead all the time, and be positioned at rapidly on this root lead, thereby all brushes only contact with same lead when operation, make the turn-to-turn of coil not have short circuit current (promptly not having the no-load loss variation), the output voltage continuous stepless is adjustable, has only the instantaneous short circuit current that exists during conversion, makes the no-load loss variation trend towards zero; 3. be lined with the radiating insulating layer of the metal of crossing through insulation processing (or spline) because of iron core outward, make voltage regulator in a single day produce local pyrexia and just very soon heat is conducted, so just eliminated the reason that burns out pressure regulation because of local high heating; 4. because of the operation brush is a simple metal system, brush resistance trends towards zero, and contact resistance is little, so brush does not generate heat, loss is minimum; 5. use variable brush holder, make whole serial brush holder only change the brush carrier body and with one to two kind of fixed head, brush carrier head and pressing plate just can make complete series general, so versatility interchangeability is strong; 6. have the one side of flour milling to make lead coiling position accurate with thick radiating insulating layer, and the one side of not having a flour milling shortens every circle lead with thin as far as possible insulating barrier, total lead is short, and all-in resistance is little; 7. use roller brushes, so wearing and tearing are little, the life-span is long; 8. the stage clip in the positioning head or the power thrusts of magnet are opened the positioning head center line partially, make positioning stablity accurate.Be the brush accurate positioning by above 8 advantages of the present utility model, no no-load loss variation, the brushless loss does not have local high heat, the output voltage stepless continuous is adjustable, highly versatile, and wear of brush is little, and resistance is little, load loss is little, has saved big energy, and waveform is undistorted, and the life-span is long.

Description of drawings:

Fig. 1 is the utility model schematic diagram.

Fig. 2 is the structure chart of locator position in the centre.

Fig. 3 is the structure chart of locator position in the outside.

Fig. 4 is the structure chart of locator position in the side.

Fig. 5 is the inside and outside toothed insulated end cover of crossing through insulation processing of metal.

Fig. 6 is the outer toothed straight shape insulated end cover of crossing through insulation processing of metal.

Fig. 7 is spring roller brushes or locator head.

Fig. 8 is magnet roller brushes or locator head.

Fig. 9 is gear spring roller brushes or locator head.

Figure 10 is gear magnet roller brushes or locator head.

Figure 12 is variable brush holder.

Figure 13 is the transition status figure of brush on coil.

Executing example by above-mentioned accompanying drawing is further elaborated.

Variable brush holder variable-voltage transformer of locator and pressurizer (referring to Fig. 1-13) are arranged, form housing by shell (1), support (2), in base (27) is arranged, the iron core of fixing between base (27) and the gland (28) (3), the outer radiating insulating layer (4) that the metal of crossing through insulation processing (or spline) is housed of iron core (3), coil (5) entad spend the coil of coiling, good evenness on insulating barrier, leakage field is little, and coil and iron core reach best fit.Locator head (11) and brush (7) are contained in the brush carrier (8), and be fixed in the rotating shaft (9), rotating shaft two end bearing fixing, one end stretches out, the cogged driven by motor, also can adorn handwheel (35), rotating shaft and drive brush and roll on the coil flour milling that (or sliding) is moving regulates number of wire turns with this, thus reach the purpose of continuous adjustable voltage.

Brush is the rolling type Assembled electric brush, and at least two, small resistor operation brush (29) that one of them is made by fine copper, the conversion brush (30) of a big resistance of being made by electrographite.

Roller brushes comprises that cylindrical roller brushes head (31) that also can be spherical is connected with little axle (16) with brush holder (26), stage clip (13) and stage clip pressing plate (17) are housed in the brush holder made of copper, can also replace stage clip by magnet (24), magnet pressing plate (32) replaces stage clip pressing plate (17) and utilizes principle of same-sex repulsion to replace the effect of stage clip, makes the flexible life-span not be subjected to the aging influence of stage clip.This pressing plate and brush all are fixed in the brush carrier (8).And stage clip in the positioning head or firmly the having a certain degree with brush holder, brush and coil contact position of magnet, it is quite accurate that brush is located under the locator effect.Brush can also be formed by three, and one of them is the operation brush (29) of small resistor, and two is the conversion brush (30) of big resistance.The positioning disk (12) of locator (6) is housed between brush and the gland, can be made into the annular shape that is used for annular core, be used for the directly tabular of pillar iron core, locator is screwed on gland (28), also can be made into gland to join together.

Described positioning disk (12) must cooperate with positioning head (11): positioning head is gear hobbing, and then positioning disk is made the perforation shape, and two gear hobbings of positioning head penetrate in two perforations of positioning disk, makes the location quite stable accurate; Positioning head is roller or ball, and then positioning disk is made slot or hole, garden, and the roller of positioning head or ball are entered in the hole and located, make the location quite stable accurate, positioning head is roller or ball, and then positioning disk also can be made into profile of tooth, positioning head rolls between bidentate, makes the location quite stable accurate.

The also available operation brush of described positioning head replaces.

Described variable brush holder comprises the fixed head (21) that is fixed on the axis, big or small length by all size can supporting transposing brush carrier body (22) and be fixed on brush carrier brush carrier head (23) and stage clip pressing plate (17) on one's body and form.

The described insulating barrier (4) that the metal of crossing through insulation processing (or band tooth) is housed outside iron core (3), be to make when moving continuously for a long time, operation brush (29), conversion brush (30) all only contacts with a lead under the effect of locator (6), because of there being electric current to flow through the contact position, so heat of generation, if not dispersed Fa Degao, this localized heat just will not jeopardize coil, having adorned this radiating insulating layer just makes heat conduct very soon, then eliminated local pyrexia, and make the copper cash flour milling temperature of coil low, and the copper flour milling does not produce oxidation, and the life-span is just long.

If coil flour milling (37) is wide to be b, insulation gap (38) width is J, and the operation horizontal contact width of brush (39) is a, and a conversion horizontal contact width of brush (40) is c, two horizontal contact width c+d of conversion brush realize necessary condition of the present utility model: b 〉=c+d＞j＞a

The branch plurality of processes illustrates below.

Process A is to move normality, and operation brush (29) 2 conversions brush (30) contacts with first lead flour milling simultaneously, because two kinds of brush resistances vary in size, most electric currents pass through the operation brush, and by first lead input.

Process B, the beginning transition status, operation brush (29) breaks away from first lead, back one in conversion brush (30) contacts with first lead, last in the conversion brush (30) does not also contact with second lead, and an at this moment back conversion brush has electric current to pass through, and electric current is entirely by first lead input, make circuit keep unimpeded, no turn-to-turn short circuit electric current (being the no-load loss variable).

Process C, continue transition status, moving last of the intermediate conversion brush (30) that brush (29) is positioned at insulation gap (38) this moment contacts with second lead, one of back contacts with first lead, between two conversion brushes, have short circuit current (being the no-load loss variation) to exist, external circuit continues conducting by the conversion brush.

Process D, move brush (29) and also do not contact with second lead this moment, and previous conversion brush (30) has contacted with second lead, back conversion brush (30) breaks away from first lead, at this moment external current is input to second lead by previous conversion brush, but do not have the turn-to-turn short circuit electric current, subsequently just forward the E process to and be the A process by process D.

Said process just, instead can, go round and begin again, brush from flour milling roll (cunning) moving, electric current is unimpeded all the time, unimpeded electric current is during by the input of conversion brush, then is equivalent to insert a resistance and plays and subtract the current prevention and arc effect; Reach stepless evenly continuous regulation voltage, accurate location, no no-load loss variation, the lead total length is short, brush is lossless, no local pyrexia, good heat dissipation, no-load loss is little, load loss is little, brush does not have energy consumption, wear of brush is little, conserve energy, life-span are long, simple in structure, a kind of of highly versatile has variable brush holder variable-voltage transformer of locator and a pressurizer.

Claims

1. variable brush holder variable-voltage transformer of locator and pressurizer are arranged, comprise involucrum (1) and be fixed on support (2) and gland (28) between iron core (3), iron core (3) is outer for through the metal tape teeth groove radiating insulating layer (4) of insulation processing and the coil (5) in the teeth groove, positioning head (11) and brush (7) are contained in the brush carrier (8), and be fixed in the rotating shaft (9), rotating shaft (9) outer end is connected with transmission device (10), it is characterized in that:

A. outer metal (or spline) the radiating insulating layer of crossing through insulation processing (4) of installing of described iron core (3), there have a side of flour milling to make to be thick, and a side of no flour milling is made thin, and coil (5) is in teeth groove;

B. described coil (5) is after-combustion;

C. described locator (6) is cooperated by the positioning disk (12) of the positioning head (11) of gear and band groove and forms;

D. described positioning head (11) is held (15) by stage clip (13), gear (14) and gear and is formed;

The center line of brush (7) firmly left partially by the stage clip (13) of G. described positioning head (11);

E. described roller brushes (18) is formed by two kinds: a kind of is small resistor simple metal operation brush, and another kind is that the electrographite of one to two big resistance is changed brush;

F. described roller brushes (18) is to hold (20), little axle (16) and stage clip pressing plate (17) by stage clip (13), roller (19) or spin, roller to be assembled;

H. described brush carrier (8) is made up of by the brush carrier body (22) of the supporting transposing of all size, brush carrier head (23) and stage clip (13), stage clip pressing plate (17) fixed thereon fixed head (21), big or small length.

2. as claimed in claim 1 have variable brush holder variable-voltage transformer of locator and a pressurizer, it is characterized in that locator (6) is cooperated by the positioning head (11) of gear and cancavo-convex coil to form.

3. as claimed in claim 1 have variable brush holder variable-voltage transformer of locator and a pressurizer, and the composition that it is characterized in that the positioning head (11) of locator (6) is to replace gear by roller (19) or spin, and the center line of locator (6) firmly left partially by stage clip.

4. as claimed in claim 1 have variable brush holder variable-voltage transformer of locator and a pressurizer, it is characterized in that replacing stage clip (13) with magnet (24) in the positioning head (11).

5. as claimed in claim 1 have variable brush holder variable-voltage transformer of locator and a pressurizer, it is characterized in that replacing stage clip (13) with magnet (24) in the roller brushes (18).

6. as claimed in claim 1 have variable brush holder variable-voltage transformer of locator and a pressurizer, it is characterized in that roller brushes (18), is made up of stage clip (13), cylinder roller brushes (18), brush holder (15), little axle (16) and stage clip pressing plate (17).

7. as claimed in claim 1 have variable brush holder variable-voltage transformer of locator and a pressurizer, it is characterized in that roller brushes (18), is made up of gear brush head (25), stage clip (13), brush holder (26), stage clip pressing plate (17) and little axle (16).

8. as claimed in claim 1 have variable brush holder variable-voltage transformer of locator and a pressurizer, it is characterized in that locator (6) replaces positioning head (11) and replaces positioning disk (12) and composition locator with lenticular coil (5) with spur roller gear brush (18).