CN2084898U

CN2084898U - Signal transformer

Info

Publication number: CN2084898U
Application number: CN 91204179
Authority: CN
Inventors: 张永和; 冯为国
Original assignee: JINZHOU ELECTRICAL EQUIPMENT FACTORY SHENYANG RAILWAY BUREAU
Current assignee: JINZHOU ELECTRICAL EQUIPMENT FACTORY SHENYANG RAILWAY BUREAU
Priority date: 1991-03-23
Filing date: 1991-03-23
Publication date: 1991-09-18

Abstract

The utility model relates to a signal transformer as the showing of the picture 1. The signal transformer is composed of an iron core bandage, an iron core bandage tighten ring, a left wire pack, a right wire pack, a lower support, a C type iron core, an auxiliary support, a resonance AC capacitor, a terminal plate, an upper support, a coil lead wire, a wire pack framework, an II time coil, a polyester film insulating layer and an I time coil. The influence that the fluctuating of the I time voltage of the signal transformer to the height of the II time voltage is weak, and the lamp filament of the signal lamp which can work in the voltage-stabilizing state is guaranteed. Not only the requirement of the showing distance of the signal lamp is satisfied, but also the lamp can not be changed frequently. The utility model is especially suitable to be used for the interval signal device in the automatic blocking section of the electrified railway.

Description

Signal transformer

The utility model belongs to the improvement of voltage transformer in the basic electrical component.

Signal transformer is the specialized equipment of the wayside signaling machine of automatic block district in the electrified railway.Signal lamp on the wayside signaling machine of the automatic block district of electrified railway is a light yellow always, is not that to send out a warning be exactly give a green light or amber light.Because the wayside signaling machine is different from the distance of grid transmission voltage transformer, round the clock between the fluctuation of line voltage, the not equal many factors of the contact resistance of line alignment and terminal make the signal lamp voltage phase difference on the signal bigger.If voltage is too low, the light that signal lamp sends just a little less than, will directly influence the range of a signal of signal.If overtension, the signal lamp life-span will shorten greatly, causes unnecessary frequently more changing the bulb, more than either way can directly influence conveying efficiency and traffic safety.

The purpose of this utility model provides a kind of constant pressure type voltage transformer.Signal lamp glower end voltage is remained unchanged substantially.

Circuit theory:

As voltage transformer I time voltage V ₁Effective value when reaching 170V, promptly produce resonance because of the I time side of voltage transformer is equipped with the resonance AC capacitor, make transformer core be in the magnetic saturation state.At this moment, voltage transformer II time output valve enters stabilized conditions.When power line voltage changed between 176～253V, because iron core has been in degree of depth saturation conditions, its magnetic line of force changed small, so the variation of the voltage on the voltage transformer II time coil is also very little, to reach the purpose of voltage stabilizing.

Now in conjunction with the accompanying drawings the utility model is described in detail as follows:

Fig. 1 is the signal transformer structural representation

Fig. 2 is the signal transformer schematic circuit diagram

The utility model is made up of elements such as iron core binding tape 1, iron core binding tape dead ring 2, double-screw bolt 3, lower carriage 4, C shaped iron core 5, left line bag 6, right line bag 7, bolt 8, upper bracket 9, auxiliary stand 10, resonance AC capacitor 11, terminal board 12, coil lead 13, coil frame 14, II time coil 15, mylar insulating barrier 16, I time coils 17.

Solid with iron core binding tape 1 and 2 colligations of iron core binding tape dead ring after lower carriage 4 is equipped with C shaped iron core 5, C shaped iron core 5 and left line bag 6 and 7 assemblings of right line bag, clamp C shaped iron core 5 with upper bracket 9, lower carriage 4, and be fixed with double-screw bolt 3. Resonance AC capacitor 11 is clipped between terminal board 12 and the upper bracket 9, and two coil leads 13 on it are connected on respectively on terminal board 12 and the I time coil 17. Auxiliary stand 10 usefulness bolts 8 connect.

Embodiment:

1, the coiling of left line bag

Before the coiling, remove the burr on the coil frame 14 earlier, filling up then and going up thickness is the mylar insulating barrier 16 of 0.04mm, earlier around 600 circles, between the inferior coil 15 of I time coil 17 and II, fills up blue or green shell line and mylar insulating barrier 16 each one deck on I time coil 17.Pad one deck mylar insulating barrier 16 between primary winding 17 and the II time coil 15.After II time coil 15 coilings were good, pad one deck fish paper was outward around nylon rope.I time coil lead overlaps a sleeve pipe with after φ 0.15mm * 23 strands weld.II time lead-out wires of coil φ φ 1.12mm pig-tail wire.

2, the coiling of right line bag

Before the coiling, removing the burr on the coil frame 14 earlier, is that mylar insulating barrier 16 pad of 0.04mm is two-layer with thickness then.Earlier on I time coil 17 around 600 circles.Then, pad one deck fish paper between I time coil 16 and intensity coil 15.I time coil interlayer pad mylar insulating barrier 16.Coiling II time coil 15: during first coiling 35 circles, be II with this line leading-out end ₂, again around 5 circles, leading-out end is an II ₃, again around 3 circles, leading-out end is an II ₄The pig-tail wire of I time coil 17 welds back cover sleeve pipe with φ 0.15mm * 23 strands.The pig-tail wire of II time coil 15 is drawn with this line.Diameter is φ 1.12mm.The overcoat sleeve pipe.After I time coil 17 coilings are good, fill up one deck fish paper outward, flat again around nylon rope.

3, the oad of signal transformer is long 116mm, wide 60mm, high 165mm.The oad of C sections core 8 is long 16mm, wide 32mm, high 65mm.The centre distance of two through hole is 104 ± 0.3mm on the lower bracket.The capacity of used resonance AC capacitor is 3.5 μ f, 630VAC.

The utility model compared with prior art has the following advantages:

1, the fluctuation of transformer I time voltage is very faint to the impact of II time voltage height. Having guaranteed that the signal lamp filament can be under the voltage stabilizing state works. Thereby both satisfied the requirement to the traffic light system distance, again unlikely frequent bulb.

2, this transformer device structure compactness, volume is little, and is in light weight.

Claims

1, a kind of voltage transformer of being made up of left line bag, right line bag and iron core is characterized in that: also include elements such as iron core band, iron core band dead ring, double-screw bolt, lower bracket, auxiliary stand, resonance AC capacitor, terminal clamp, upper bracket, coil lead, coil frame, I time coil, II time coil and mylar insulating barrier on the signal transformer; C sections core is housed on lower bracket, C sections core and left line bag and right line package dress back are solid with iron core band and the colligation of iron core band dead ring, clamp C sections core with upper bracket and lower bracket, and be fixed with double-screw bolt, the resonance AC capacitor is clipped between terminal clamp and the upper bracket, two lead-in wires on it are connected the auxiliary stand bolt together with terminal clamp with I time coil respectively.