CN208157218U

CN208157218U - A kind of anti-high voltage high frequency transformer

Info

Publication number: CN208157218U
Application number: CN201820713391.5U
Authority: CN
Inventors: 夏少华
Original assignee: Shenzhen Jin Yuan Mountain Pine Electronics Co Ltd
Current assignee: Shenzhen Jin Yuan Mountain Pine Electronics Co Ltd
Priority date: 2018-05-14
Filing date: 2018-05-14
Publication date: 2018-11-27
Anticipated expiration: 2028-05-14

Abstract

The utility model discloses a kind of anti-high voltage high frequency transformers, including iron core, reduction voltage circuit and frequency down circuit, winding is fixedly connected in the iron core, rubber sleeve is socketed on the outside of the winding, the end a of the reduction voltage circuit is electrically connected step-down capacitor C1, one end of the step-down capacitor C1 and bridge circuit are electrically connected, one end of the diode Z1 and one end of resistance R1 are electrically connected, the other end of the resistance R1 and one end of diode Z2 are electrically connected, one end of the resistance R2 and one end of resistance R1 are electrically connected, the other end and resistance RT of the resistance R2 is electrically connected, one end of the resistance RT and diode Z2 is electrically connected；The utility model is equipped with two groups of pedestals, so that fixation, pedestal is equipped with clip slot and is capable of fixing iron core；It is equipped with rubber sleeve on the outside of winding, prevents Danger Electric shock risk；Using simple capacity voltage dropping circuit and diode frequency reducing, and it cost can be reduced also can effectively play the purpose of decompression frequency reducing.

Description

A kind of anti-high voltage high frequency transformer

Technical field

The utility model relates to transformer equipment technology field, specially a kind of anti-high voltage high frequency transformer.

Background technique

The manipulative ability of student, especially chemistry and physics aspect are increasingly paid attention in the education of present middle and primary schools, need A large amount of experiment is done, and is just needed when testing using experiment equipment is arrived, Physical Experiment needs use electricity, still Line voltage is excessively high, and is easy to happen danger, thus needs using to transformer.

Currently, domestic most common transformer figure is bigger, it is thus inconvenient to carry, and existing transformer is often Only one face carries fixed device, can thus make transformer fixed in one side, and transformer fixed in this way It may fall off when collision, accident occurs for the transformer that can thus make, and might have the danger of dew electricity, and existing Transformer can only be depressured alternating current, the control and reduction of voltage cannot be carried out to the voltage after decompression, when overtension Will occurrence injury, and existing transformer is seldom handled electric frequency, can thus to might have in electric current excessively high Electricity frequency flow through, very big harm can be generated, for this purpose, proposing a kind of anti-high voltage high frequency transformer.

Utility model content

The purpose of this utility model is to provide a kind of anti-high voltage high frequency transformers, mention to solve above-mentioned background technique Transformer in the prior art existing for fixing-stable, without proof and electric leakage-proof safety and without decompression down conversion process the problems such as.

To achieve the above object, the utility model provides the following technical solutions：A kind of anti-high voltage high frequency transformer, including iron The upper and lower side of the heart, reduction voltage circuit and frequency down circuit, the iron core is placed into clip slot, and the clip slot is fixed on the inside of pedestal Face is fixedly connected with winding in the iron core, and rubber sleeve is socketed on the outside of the winding, and the end a of the reduction voltage circuit is electrical Step-down capacitor C1 is connected, one end of the step-down capacitor C1 and bridge circuit are electrically connected, the end b of the reduction voltage circuit and bridge-type Circuit is electrically connected, and two output end of extraction of the bridge circuit is the end c and the end d, and the reduction voltage circuit includes diode Z1, two Pole pipe Z2, resistance R1, resistance R2 and one end of resistance RT, the diode Z1 and one end of resistance R1 are electrically connected, the electricity One end of the other end and diode Z2 that hinder R1 is electrically connected, and one end of the resistance R2 and one end of resistance R1 are electrically connected, The other end and resistance RT of the resistance R2 is electrically connected, and one end of the resistance RT and diode Z2 are electrically connected, the electricity The one end for hindering RT is that the output end of circuit, the end a of the reduction voltage circuit and the end b of reduction voltage circuit and transformer are electrically connected, institute The end e at the end c and frequency down circuit of stating reduction voltage circuit is electrically connected, and the end d of the reduction voltage circuit and frequency changer circuit f are electrically connected.

Preferably, the side of the clip slot is equipped with two groups of fixing pieces.

Preferably, the pedestal is equipped with two groups of bolts hole.

Preferably, the upper and lower ends of the winding are fixedly connected with skeleton.

Preferably, the step-down capacitor C1 and resistance R is electrically connected.

Preferably, on rear side of the bridge circuit on output end parallel connection by a diode DZ1.

Compared with prior art, the utility model has the beneficial effects that：

1, the utility model is equipped with upper and lower two groups of pedestals, enables power transformation device to facilitate fixed and fixation, and in base Seat is equipped with clip slot and is capable of fixing iron core, even if fixing piece from falling, iron core will not be scattered；

2, the utility model is equipped with rubber sleeve on the outside of winding, can prevent user from touching internal circuit and endanger Danger；

3, the utility model uses simple capacity voltage dropping circuit and diode frequency reducing, and can reduce cost also can be effective Play the purpose of decompression frequency reducing.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the side structure schematic diagram of the utility model；

Fig. 3 is the schematic diagram of the reduction voltage circuit of the utility model；

Fig. 4 is the schematic diagram of the frequency down circuit of the utility model.

In figure：1 pedestal, 2 clip slots, 3 windings, 4 skeletons, 5 iron cores, 6 rubber sleeves, 7 fixing pieces, 8 bolts hole.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution：The anti-high voltage high frequency transformer, including iron core 5, The upper and lower side of reduction voltage circuit and frequency down circuit, the iron core 5 is placed into clip slot 2, and the clip slot 2 is fixed on the inside of pedestal 1 Face is fixedly connected with winding 3 in the iron core 5, and the outside of the winding 3 is socketed with rubber sleeve 6, the end a of the reduction voltage circuit Be electrically connected step-down capacitor C1, one end of the step-down capacitor C1 and bridge circuit are electrically connected, the end b of the reduction voltage circuit with Bridge circuit is electrically connected, and two output end of extraction of the bridge circuit is the end c and the end d, and the reduction voltage circuit includes diode Z1, diode Z2, resistance R1, resistance R2 and one end of resistance RT, the diode Z1 and one end of resistance R1 are electrically connected, institute One end of the other end and diode Z2 of stating resistance R1 is electrically connected, and one end of the resistance R2 electrically connects with one end of resistance R1 It connects, the other end and resistance RT of the resistance R2 is electrically connected, and one end of the resistance RT and diode Z2 are electrically connected, described One end of resistance RT is that the output end of circuit, the end a of the reduction voltage circuit and the end b of reduction voltage circuit and transformer are electrically connected, The end c of the reduction voltage circuit and the end e of frequency down circuit are electrically connected, and the end d of the reduction voltage circuit and frequency changer circuit f electrically connect It connects.

Specifically, the side of the clip slot 2 is equipped with two groups of fixing pieces 7, the fixing piece 7 at this can be by iron core 5 and folder Slot 2 is fixedly connected, and prevents iron core 5 from falling off.

Specifically, the pedestal 1 is equipped with two groups of bolts hole 8, transformer can be fixed on transformation by the bolt hole 8 at this In the shell of device or in fixed plate.

Specifically, the upper and lower ends of the winding 3 are fixedly connected with skeleton 4, the skeleton 4 at this is in addition to being used to fix winding Outside 3, moreover it is possible to press winding 3 and be fixed in iron core 5, prevent winding from falling off.

Specifically, the step-down capacitor C1 and resistance R are electrically connected, the resistance R at this is bleeder resistance, on capacitor C1 Residual charge can not discharge, and can exist for a long time, if human contact has strong electric shock can to the metal part of C1 in maintenance Can, and the presence of resistance R, the charge discharging resisting of remaining can be fallen, thus guarantor, machine safety.The resistance value and capacitor of bleeder resistance Size it is related, the capacity of general capacitor is bigger, and remaining charge is more, and bleeder resistance will select smaller with regard to resistance value.

Specifically, on rear side of the bridge circuit on output end parallel connection by a diode DZ1, diode DZ1's at this Effect is that the high voltage pulse voltage of moment in input power is released over the ground, for protecting subsequent conditioning circuit not to be broken down by high-voltage.

Working principle：In use, reduction voltage circuit and transformer by the end a of reduction voltage circuit and the end b of reduction voltage circuit and become The output end of depressor is electrically connected, and is then again electrically connected the end c of reduction voltage circuit and the end e of frequency down circuit, the decompression electricity The end d on road and frequency changer circuit f are electrically connected, then by reduction voltage circuit the end d and the end f be electrically connected with electrical equipment, most Transformer is fixed in fixed plate or transformer outer box by the bolt hole 8 on substrate 1 afterwards, and in the substrate of transformer 1 It is interior that iron core 5 is fixed with by clip slot 2, and be fixedly connected between iron core 5 and clip slot 2 by fixing piece 7, the iron core 5 it is interior Portion is fixed with winding 3 by skeleton 4, and the outer surface of the winding 3 is equipped with rubber sleeve 6, which can prevent user from touching Accident occurs to internal circuit.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of anti-high voltage high frequency transformer, including iron core（5）, reduction voltage circuit and frequency down circuit, it is characterised in that：The iron core （5）Upper and lower side be placed into clip slot（2）It is interior, the clip slot（2）It is fixed on pedestal（1）Medial surface, the iron core（5）Interior fixation It is connected with winding（3）, the winding（3）Outside be socketed with rubber sleeve（6）, the end a of the reduction voltage circuit is electrically connected decompression One end of capacitor C1, the step-down capacitor C1 and bridge circuit are electrically connected, and the end b of the reduction voltage circuit and bridge circuit are electrical Connection, two output end of extraction of the bridge circuit are the end c and the end d, the reduction voltage circuit include diode Z1, diode Z2, One end of resistance R1, resistance R2 and resistance RT, the diode Z1 and one end of resistance R1 are electrically connected, and the resistance R1's is another One end and one end of diode Z2 are electrically connected, and one end of the resistance R2 and one end of resistance R1 are electrically connected, the resistance The other end and resistance RT of R2 is electrically connected, and one end of the resistance RT and diode Z2 are electrically connected, and the one of the resistance RT End is that the output end of circuit, the end a of the reduction voltage circuit and the end b of reduction voltage circuit and transformer are electrically connected, the decompression electricity The end c on road and the end e of frequency down circuit are electrically connected, and the end d of the reduction voltage circuit and frequency changer circuit f are electrically connected.

2. a kind of anti-high voltage high frequency transformer according to claim 1, it is characterised in that：The clip slot（2）Side on Equipped with two groups of fixing pieces（7）.

3. a kind of anti-high voltage high frequency transformer according to claim 1, it is characterised in that：The pedestal（1）It is equipped with two Group bolt hole（8）.

4. a kind of anti-high voltage high frequency transformer according to claim 1, it is characterised in that：The winding（3）Up and down two End is fixedly connected with skeleton（4）.

5. a kind of anti-high voltage high frequency transformer according to claim 1, it is characterised in that：The step-down capacitor C1 and resistance R is electrically connected.

6. a kind of anti-high voltage high frequency transformer according to claim 1, it is characterised in that：Output on rear side of the bridge circuit Parallel connection is by a diode DZ1 on end.